#include <vlc_strings.h> /* resolve_xml_special_chars */
#include <vlc_charset.h> /* ToCharset */
#include <vlc_dialog.h> /* FcCache dialog */
+#include <vlc_filter.h> /* filter_sys_t */
+#include <vlc_text_style.h> /* text_style_t*/
/* Default fonts */
#ifdef __APPLE__
-# define DEFAULT_FONT "/Library/Fonts/Arial Black.ttf"
+# define DEFAULT_FONT_FILE "/Library/Fonts/Arial Black.ttf"
# define DEFAULT_FAMILY "Arial Black"
#elif defined( WIN32 )
-# define DEFAULT_FONT "arial.ttf" /* Default path font found at run-time */
+# define DEFAULT_FONT_FILE "arial.ttf" /* Default path font found at run-time */
# define DEFAULT_FAMILY "Arial"
#elif defined( HAVE_MAEMO )
-# define DEFAULT_FONT "/usr/share/fonts/nokia/nosnb.ttf"
+# define DEFAULT_FONT_FILE "/usr/share/fonts/nokia/nosnb.ttf"
# define DEFAULT_FAMILY "Nokia Sans Bold"
#else
-# define DEFAULT_FONT "/usr/share/fonts/truetype/freefont/FreeSerifBold.ttf"
+# define DEFAULT_FONT_FILE "/usr/share/fonts/truetype/freefont/FreeSerifBold.ttf"
# define DEFAULT_FAMILY "Serif Bold"
#endif
/* Win32 GDI */
#ifdef WIN32
-# define _WIN32_IE 0x0500
# include <windows.h>
# include <shlobj.h>
# define HAVE_STYLES
"fonts that will be rendered on the video. If absolute font size is set, "\
"relative size will be overridden." )
+#define BG_OPACITY_TEXT N_("Background opacity")
+#define BG_COLOR_TEXT N_("Background color")
+
static const int pi_sizes[] = { 20, 18, 16, 12, 6 };
static const char *const ppsz_sizes_text[] = {
N_("Smaller"), N_("Small"), N_("Normal"), N_("Large"), N_("Larger") };
#define YUVP_TEXT N_("Use YUVP renderer")
#define YUVP_LONGTEXT N_("This renders the font using \"paletized YUV\". " \
"This option is only needed if you want to encode into DVB subtitles" )
-#define EFFECT_TEXT N_("Font Effect")
-#define EFFECT_LONGTEXT N_("It is possible to apply effects to the rendered " \
-"text to improve its readability." )
-
-enum { EFFECT_BACKGROUND = 1,
- EFFECT_OUTLINE = 2,
- EFFECT_OUTLINE_FAT = 3,
-};
-static int const pi_effects[] = { EFFECT_BACKGROUND, EFFECT_OUTLINE, EFFECT_OUTLINE_FAT };
-static const char *const ppsz_effects_text[] = {
- N_("Background"),N_("Outline"), N_("Fat Outline") };
static const int pi_color_values[] = {
0x00000000, 0x00808080, 0x00C0C0C0, 0x00FFFFFF, 0x00800000,
#ifdef HAVE_STYLES
add_font( "freetype-font", DEFAULT_FAMILY, FONT_TEXT, FAMILY_LONGTEXT, false )
#else
- add_font( "freetype-font", DEFAULT_FONT, FONT_TEXT, FONT_LONGTEXT, false )
+ add_loadfile( "freetype-font", DEFAULT_FONT_FILE, FONT_TEXT, FONT_LONGTEXT, false )
#endif
add_integer( "freetype-fontsize", 0, FONTSIZE_TEXT,
change_safe()
/* opacity valid on 0..255, with default 255 = fully opaque */
- add_integer_with_range( "freetype-opacity", 255, 0, 255, NULL,
+ add_integer_with_range( "freetype-opacity", 255, 0, 255,
OPACITY_TEXT, OPACITY_LONGTEXT, false )
change_safe()
change_integer_list( pi_color_values, ppsz_color_descriptions )
change_safe()
+ add_integer_with_range( "freetype-background-opacity", 0, 0, 255,
+ BG_OPACITY_TEXT, "", false )
+ change_safe()
+ add_integer( "freetype-background-color", 0x00000000, BG_COLOR_TEXT,
+ "", false )
+ change_integer_list( pi_color_values, ppsz_color_descriptions )
+ change_safe()
+
add_integer( "freetype-rel-fontsize", 16, FONTSIZER_TEXT,
FONTSIZER_LONGTEXT, false )
change_integer_list( pi_sizes, ppsz_sizes_text )
change_safe()
- add_integer( "freetype-effect", 2, EFFECT_TEXT,
- EFFECT_LONGTEXT, false )
- change_integer_list( pi_effects, ppsz_effects_text )
- change_safe()
+ add_obsolete_integer( "freetype-effect" );
add_bool( "freetype-yuvp", false, YUVP_TEXT,
YUVP_LONGTEXT, true )
* Local prototypes
*****************************************************************************/
-/* The RenderText call maps to pf_render_string, defined in vlc_filter.h */
-static int RenderText( filter_t *, subpicture_region_t *,
- subpicture_region_t * );
-
-#ifdef HAVE_STYLES
-static int RenderHtml( filter_t *, subpicture_region_t *,
- subpicture_region_t * );
-#endif
-#ifdef HAVE_FONTCONFIG
-static void FontConfig_BuildCache( filter_t * );
-static char* FontConfig_Select( FcConfig *, const char *,
- bool, bool, int, int * );
-#endif
-#ifdef WIN32
-static char* Win32_Select( filter_t *, const char *,
- bool, bool, int, int * );
-#endif
-
-static int LoadFontsFromAttachments( filter_t *p_filter );
-
-static int GetFontSize( filter_t *p_filter );
-static int SetFontSize( filter_t *, int );
-static void YUVFromRGB( uint32_t i_argb,
- uint8_t *pi_y, uint8_t *pi_u, uint8_t *pi_v );
+typedef struct
+{
+ FT_BitmapGlyph p_glyph;
+ uint32_t i_color; /* ARGB color */
+ int i_line_offset; /* underline/strikethrough offset */
+ int i_line_thickness; /* underline/strikethrough thickness */
+} line_character_t;
typedef struct line_desc_t line_desc_t;
struct line_desc_t
{
- /** NULL-terminated list of glyphs making the string */
- FT_BitmapGlyph *pp_glyphs;
- /** list of relative positions for the glyphs */
- FT_Vector *p_glyph_pos;
- /** list of RGB information for styled text
- * -- if the rendering mode supports it (RenderYUVA) and
- * b_new_color_mode is set, then it becomes possible to
- * have multicoloured text within the subtitles. */
- uint32_t *p_fg_rgb;
- uint32_t *p_bg_rgb;
- uint8_t *p_fg_bg_ratio; /* 0x00=100% FG --> 0x7F=100% BG */
- bool b_new_color_mode;
- /** underline information -- only supplied if text should be underlined */
- int *pi_underline_offset;
- uint16_t *pi_underline_thickness;
-
- int i_height;
- int i_width;
- int i_red, i_green, i_blue;
- int i_alpha;
-
line_desc_t *p_next;
+
+ int i_width;
+ int i_base_line;
+ int i_character_count;
+ line_character_t *p_character;
};
-static line_desc_t *NewLine( int );
-typedef struct
+typedef struct font_stack_t font_stack_t;
+struct font_stack_t
{
- int i_font_size;
- uint32_t i_font_color; /* ARGB */
- uint32_t i_karaoke_bg_color; /* ARGB */
- bool b_italic;
- bool b_bold;
- bool b_underline;
- bool b_through;
- char *psz_fontname;
-} ft_style_t;
-
-static int Render( filter_t *, subpicture_region_t *, line_desc_t *, int, int);
-static void FreeLines( line_desc_t * );
-static void FreeLine( line_desc_t * );
+ char *psz_name;
+ int i_size;
+ uint32_t i_color; /* ARGB */
+ uint32_t i_karaoke_bg_color; /* ARGB */
+
+ font_stack_t *p_next;
+};
/*****************************************************************************
* filter_sys_t: freetype local data
{
FT_Library p_library; /* handle to library */
FT_Face p_face; /* handle to face object */
- bool i_use_kerning;
uint8_t i_font_opacity;
int i_font_color;
int i_font_size;
- int i_effect;
+
+ uint8_t i_background_opacity;
+ int i_background_color;
int i_default_font_size;
int i_display_height;
-#ifdef HAVE_STYLES
char* psz_fontfamily;
+#ifdef HAVE_STYLES
xml_reader_t *p_xml;
#ifdef WIN32
char* psz_win_fonts_path;
int i_font_attachments;
};
-#define UCHAR uint32_t
-#define TR_DEFAULT_FONT p_sys->psz_fontfamily
-#define TR_FONT_STYLE_PTR ft_style_t *
-
-#include "text_renderer.h"
-
-/*****************************************************************************
- * Create: allocates osd-text video thread output method
- *****************************************************************************
- * This function allocates and initializes a Clone vout method.
- *****************************************************************************/
-static int Create( vlc_object_t *p_this )
-{
- filter_t *p_filter = (filter_t *)p_this;
- filter_sys_t *p_sys;
- char *psz_fontfile = NULL;
- char *psz_fontfamily = NULL;
- int i_error = 0, fontindex = 0;
-
- /* Allocate structure */
- p_filter->p_sys = p_sys = malloc( sizeof( filter_sys_t ) );
- if( !p_sys )
- return VLC_ENOMEM;
-
-#ifdef HAVE_STYLES
- p_sys->psz_fontfamily = NULL;
- p_sys->p_xml = NULL;
-#endif
- p_sys->p_face = 0;
- p_sys->p_library = 0;
- p_sys->i_font_size = 0;
- p_sys->i_display_height = 0;
-
- var_Create( p_filter, "freetype-rel-fontsize",
- VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
-
- psz_fontfamily = var_InheritString( p_filter, "freetype-font" );
- p_sys->i_default_font_size = var_InheritInteger( p_filter, "freetype-fontsize" );
- p_sys->i_effect = var_InheritInteger( p_filter, "freetype-effect" );
- p_sys->i_font_opacity = var_InheritInteger( p_filter,"freetype-opacity" );
- p_sys->i_font_opacity = __MAX( __MIN( p_sys->i_font_opacity, 255 ), 0 );
- p_sys->i_font_color = var_InheritInteger( p_filter, "freetype-color" );
- p_sys->i_font_color = __MAX( __MIN( p_sys->i_font_color , 0xFFFFFF ), 0 );
-
-#ifdef WIN32
- /* Get Windows Font folder */
- wchar_t wdir[MAX_PATH];
- if( S_OK != SHGetFolderPathW( NULL, CSIDL_FONTS, NULL, SHGFP_TYPE_CURRENT, wdir ) )
- {
- GetWindowsDirectoryW( wdir, MAX_PATH );
- wcscat( wdir, L"\\fonts" );
- }
- p_sys->psz_win_fonts_path = FromWide( wdir );
-#endif
-
- /* Set default psz_fontfamily */
- if( !psz_fontfamily || !*psz_fontfamily )
- {
- free( psz_fontfamily );
-#ifdef HAVE_STYLES
- psz_fontfamily = strdup( DEFAULT_FAMILY );
-#else
- psz_fontfamily = (char *)malloc( PATH_MAX + 1 );
- if( !psz_fontfamily )
- goto error;
-# ifdef WIN32
- strcat( psz_fontfamily, p_sys->psz_win_fonts_path );
- strcat( psz_fontfamily, DEFAULT_FONT );
-# else
- strcpy( psz_fontfamily, DEFAULT_FONT );
-# endif
- msg_Err( p_filter,"User specified an empty fontfile, using %s", psz_fontfamily );
-#endif
- }
-
- /* Set the current font file */
-#ifdef HAVE_STYLES
- p_sys->psz_fontfamily = psz_fontfamily;
-#ifdef HAVE_FONTCONFIG
- FontConfig_BuildCache( p_filter );
-
- /* */
- psz_fontfile = FontConfig_Select( NULL, psz_fontfamily, false, false,
- p_sys->i_default_font_size, &fontindex );
-#elif defined(WIN32)
- psz_fontfile = Win32_Select( p_filter, psz_fontfamily, false, false,
- p_sys->i_default_font_size, &fontindex );
-
-#endif
- msg_Dbg( p_filter, "Using %s as font from file %s", psz_fontfamily, psz_fontfile );
-
- /* If nothing is found, use the default family */
- if( !psz_fontfile )
- psz_fontfile = psz_fontfamily;
-
-#else /* !HAVE_STYLES */
- /* Use the default file */
- psz_fontfile = psz_fontfamily;
-#endif
-
- /* */
- i_error = FT_Init_FreeType( &p_sys->p_library );
- if( i_error )
- {
- msg_Err( p_filter, "couldn't initialize freetype" );
- goto error;
- }
-
- i_error = FT_New_Face( p_sys->p_library, psz_fontfile ? psz_fontfile : "",
- fontindex, &p_sys->p_face );
-
- if( i_error == FT_Err_Unknown_File_Format )
- {
- msg_Err( p_filter, "file %s have unknown format",
- psz_fontfile ? psz_fontfile : "(null)" );
- goto error;
- }
- else if( i_error )
- {
- msg_Err( p_filter, "failed to load font file %s",
- psz_fontfile ? psz_fontfile : "(null)" );
- goto error;
- }
-
- i_error = FT_Select_Charmap( p_sys->p_face, ft_encoding_unicode );
- if( i_error )
- {
- msg_Err( p_filter, "font has no unicode translation table" );
- goto error;
- }
-
- p_sys->i_use_kerning = FT_HAS_KERNING( p_sys->p_face );
-
- if( SetFontSize( p_filter, 0 ) != VLC_SUCCESS ) goto error;
-
-
- p_sys->pp_font_attachments = NULL;
- p_sys->i_font_attachments = 0;
-
- p_filter->pf_render_text = RenderText;
-#ifdef HAVE_STYLES
- p_filter->pf_render_html = RenderHtml;
-#else
- p_filter->pf_render_html = NULL;
-#endif
-
- LoadFontsFromAttachments( p_filter );
-
- return VLC_SUCCESS;
-
-error:
- if( p_sys->p_face ) FT_Done_Face( p_sys->p_face );
- if( p_sys->p_library ) FT_Done_FreeType( p_sys->p_library );
- free( psz_fontfamily );
- free( p_sys );
- return VLC_EGENERIC;
-}
-
-/*****************************************************************************
- * Destroy: destroy Clone video thread output method
- *****************************************************************************
- * Clean up all data and library connections
- *****************************************************************************/
-static void Destroy( vlc_object_t *p_this )
+/* */
+static void YUVFromRGB( uint32_t i_argb,
+ uint8_t *pi_y, uint8_t *pi_u, uint8_t *pi_v )
{
- filter_t *p_filter = (filter_t *)p_this;
- filter_sys_t *p_sys = p_filter->p_sys;
-
- if( p_sys->pp_font_attachments )
- {
- for( int k = 0; k < p_sys->i_font_attachments; k++ )
- vlc_input_attachment_Delete( p_sys->pp_font_attachments[k] );
-
- free( p_sys->pp_font_attachments );
- }
-
-#ifdef HAVE_STYLES
- if( p_sys->p_xml ) xml_ReaderDelete( p_sys->p_xml );
- free( p_sys->psz_fontfamily );
-#endif
-
- /* FcFini asserts calling the subfunction FcCacheFini()
- * even if no other library functions have been made since FcInit(),
- * so don't call it. */
+ int i_red = ( i_argb & 0x00ff0000 ) >> 16;
+ int i_green = ( i_argb & 0x0000ff00 ) >> 8;
+ int i_blue = ( i_argb & 0x000000ff );
- FT_Done_Face( p_sys->p_face );
- FT_Done_FreeType( p_sys->p_library );
- free( p_sys );
+ *pi_y = (uint8_t)__MIN(abs( 2104 * i_red + 4130 * i_green +
+ 802 * i_blue + 4096 + 131072 ) >> 13, 235);
+ *pi_u = (uint8_t)__MIN(abs( -1214 * i_red + -2384 * i_green +
+ 3598 * i_blue + 4096 + 1048576) >> 13, 240);
+ *pi_v = (uint8_t)__MIN(abs( 3598 * i_red + -3013 * i_green +
+ -585 * i_blue + 4096 + 1048576) >> 13, 240);
}
/*****************************************************************************
return VLC_EGENERIC;
p_sys->i_font_attachments = 0;
- p_sys->pp_font_attachments = malloc( i_attachments_cnt * sizeof( input_attachment_t * ));
+ p_sys->pp_font_attachments = malloc( i_attachments_cnt * sizeof(*p_sys->pp_font_attachments));
if( !p_sys->pp_font_attachments )
return VLC_ENOMEM;
return VLC_SUCCESS;
}
-/*****************************************************************************
- * Render: place string in picture
- *****************************************************************************
- * This function merges the previously rendered freetype glyphs into a picture
- *****************************************************************************/
-static int Render( filter_t *p_filter, subpicture_region_t *p_region,
- line_desc_t *p_line, int i_width, int i_height )
+static int GetFontSize( filter_t *p_filter )
{
- VLC_UNUSED(p_filter);
- static const uint8_t pi_gamma[16] =
- {0x00, 0x52, 0x84, 0x96, 0xb8, 0xca, 0xdc, 0xee, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
- uint8_t *p_dst;
- video_format_t fmt;
- int i, x, y, i_pitch;
- uint8_t i_y; /* YUV values, derived from incoming RGB */
- int8_t i_u, i_v;
-
- /* Create a new subpicture region */
- memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = VLC_CODEC_YUVP;
- fmt.i_width = fmt.i_visible_width = i_width + 4;
- fmt.i_height = fmt.i_visible_height = i_height + 4;
- if( p_region->fmt.i_visible_width > 0 )
- fmt.i_visible_width = p_region->fmt.i_visible_width;
- if( p_region->fmt.i_visible_height > 0 )
- fmt.i_visible_height = p_region->fmt.i_visible_height;
- fmt.i_x_offset = fmt.i_y_offset = 0;
- fmt.i_sar_num = 1;
- fmt.i_sar_den = 1;
-
- assert( !p_region->p_picture );
- p_region->p_picture = picture_NewFromFormat( &fmt );
- if( !p_region->p_picture )
- return VLC_EGENERIC;
- fmt.p_palette = p_region->fmt.p_palette ? p_region->fmt.p_palette : malloc(sizeof(*fmt.p_palette));
- p_region->fmt = fmt;
-
- /* Calculate text color components */
- i_y = (uint8_t)(( 66 * p_line->i_red + 129 * p_line->i_green +
- 25 * p_line->i_blue + 128) >> 8) + 16;
- i_u = (int8_t)(( -38 * p_line->i_red - 74 * p_line->i_green +
- 112 * p_line->i_blue + 128) >> 8) + 128;
- i_v = (int8_t)(( 112 * p_line->i_red - 94 * p_line->i_green -
- 18 * p_line->i_blue + 128) >> 8) + 128;
+ filter_sys_t *p_sys = p_filter->p_sys;
+ int i_size = 0;
- /* Build palette */
- fmt.p_palette->i_entries = 16;
- for( i = 0; i < 8; i++ )
+ if( p_sys->i_default_font_size )
{
- fmt.p_palette->palette[i][0] = 0;
- fmt.p_palette->palette[i][1] = 0x80;
- fmt.p_palette->palette[i][2] = 0x80;
- fmt.p_palette->palette[i][3] = pi_gamma[i];
- fmt.p_palette->palette[i][3] =
- (int)fmt.p_palette->palette[i][3] * (255 - p_line->i_alpha) / 255;
+ i_size = p_sys->i_default_font_size;
}
- for( i = 8; i < fmt.p_palette->i_entries; i++ )
+ else
{
- fmt.p_palette->palette[i][0] = i * 16 * i_y / 256;
- fmt.p_palette->palette[i][1] = i_u;
- fmt.p_palette->palette[i][2] = i_v;
- fmt.p_palette->palette[i][3] = pi_gamma[i];
- fmt.p_palette->palette[i][3] =
- (int)fmt.p_palette->palette[i][3] * (255 - p_line->i_alpha) / 255;
+ int i_ratio = var_GetInteger( p_filter, "freetype-rel-fontsize" );
+ if( i_ratio > 0 )
+ {
+ i_size = (int)p_filter->fmt_out.video.i_height / i_ratio;
+ p_filter->p_sys->i_display_height = p_filter->fmt_out.video.i_height;
+ }
}
-
+ if( i_size <= 0 )
+ {
+ msg_Warn( p_filter, "invalid fontsize, using 12" );
+ i_size = 12;
+ }
+ return i_size;
+}
+
+static int SetFontSize( filter_t *p_filter, int i_size )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
+
+ if( !i_size )
+ {
+ i_size = GetFontSize( p_filter );
+
+ msg_Dbg( p_filter, "using fontsize: %i", i_size );
+ }
+
+ p_sys->i_font_size = i_size;
+
+ if( FT_Set_Pixel_Sizes( p_sys->p_face, 0, i_size ) )
+ {
+ msg_Err( p_filter, "couldn't set font size to %d", i_size );
+ return VLC_EGENERIC;
+ }
+
+ return VLC_SUCCESS;
+}
+
+#ifdef HAVE_STYLES
+#ifdef HAVE_FONTCONFIG
+static void FontConfig_BuildCache( filter_t *p_filter )
+{
+ /* */
+ msg_Dbg( p_filter, "Building font databases.");
+ mtime_t t1, t2;
+ t1 = mdate();
+
+#ifdef WIN32
+ dialog_progress_bar_t *p_dialog = NULL;
+ FcConfig *fcConfig = FcInitLoadConfig();
+
+ p_dialog = dialog_ProgressCreate( p_filter,
+ _("Building font cache"),
+ _("Please wait while your font cache is rebuilt.\n"
+ "This should take less than a few minutes."), NULL );
+
+/* if( p_dialog )
+ dialog_ProgressSet( p_dialog, NULL, 0.5 ); */
+
+ FcConfigBuildFonts( fcConfig );
+ if( p_dialog )
+ {
+// dialog_ProgressSet( p_dialog, NULL, 1.0 );
+ dialog_ProgressDestroy( p_dialog );
+ p_dialog = NULL;
+ }
+#endif
+ t2 = mdate();
+ msg_Dbg( p_filter, "Took %ld microseconds", (long)((t2 - t1)) );
+}
+
+/***
+ * \brief Selects a font matching family, bold, italic provided
+ ***/
+static char* FontConfig_Select( FcConfig* config, const char* family,
+ bool b_bold, bool b_italic, int i_size, int *i_idx )
+{
+ FcResult result = FcResultMatch;
+ FcPattern *pat, *p_pat;
+ FcChar8* val_s;
+ FcBool val_b;
+
+ /* Create a pattern and fills it */
+ pat = FcPatternCreate();
+ if (!pat) return NULL;
+
+ /* */
+ FcPatternAddString( pat, FC_FAMILY, (const FcChar8*)family );
+ FcPatternAddBool( pat, FC_OUTLINE, FcTrue );
+ FcPatternAddInteger( pat, FC_SLANT, b_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN );
+ FcPatternAddInteger( pat, FC_WEIGHT, b_bold ? FC_WEIGHT_EXTRABOLD : FC_WEIGHT_NORMAL );
+ if( i_size != -1 )
+ {
+ char *psz_fontsize;
+ if( asprintf( &psz_fontsize, "%d", i_size ) != -1 )
+ {
+ FcPatternAddString( pat, FC_SIZE, (const FcChar8 *)psz_fontsize );
+ free( psz_fontsize );
+ }
+ }
+
+ /* */
+ FcDefaultSubstitute( pat );
+ if( !FcConfigSubstitute( config, pat, FcMatchPattern ) )
+ {
+ FcPatternDestroy( pat );
+ return NULL;
+ }
+
+ /* Find the best font for the pattern, destroy the pattern */
+ p_pat = FcFontMatch( config, pat, &result );
+ FcPatternDestroy( pat );
+ if( !p_pat || result == FcResultNoMatch ) return NULL;
+
+ /* Check the new pattern */
+ if( ( FcResultMatch != FcPatternGetBool( p_pat, FC_OUTLINE, 0, &val_b ) )
+ || ( val_b != FcTrue ) )
+ {
+ FcPatternDestroy( p_pat );
+ return NULL;
+ }
+ if( FcResultMatch != FcPatternGetInteger( p_pat, FC_INDEX, 0, i_idx ) )
+ {
+ *i_idx = 0;
+ }
+
+ if( FcResultMatch != FcPatternGetString( p_pat, FC_FAMILY, 0, &val_s ) )
+ {
+ FcPatternDestroy( p_pat );
+ return NULL;
+ }
+
+ /* if( strcasecmp((const char*)val_s, family ) != 0 )
+ msg_Warn( p_filter, "fontconfig: selected font family is not"
+ "the requested one: '%s' != '%s'\n",
+ (const char*)val_s, family ); */
+
+ if( FcResultMatch != FcPatternGetString( p_pat, FC_FILE, 0, &val_s ) )
+ {
+ FcPatternDestroy( p_pat );
+ return NULL;
+ }
+
+ FcPatternDestroy( p_pat );
+ return strdup( (const char*)val_s );
+}
+#endif
+
+#ifdef WIN32
+#define UNICODE
+#define FONT_DIR_NT "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"
+
+static int GetFileFontByName( const char *font_name, char **psz_filename )
+{
+ HKEY hKey;
+ wchar_t vbuffer[MAX_PATH];
+ wchar_t dbuffer[256];
+
+ if( RegOpenKeyEx(HKEY_LOCAL_MACHINE, FONT_DIR_NT, 0, KEY_READ, &hKey) != ERROR_SUCCESS )
+ return 1;
+
+ for( int index = 0;; index++ )
+ {
+ DWORD vbuflen = MAX_PATH - 1;
+ DWORD dbuflen = 255;
+
+ if( RegEnumValueW( hKey, index, vbuffer, &vbuflen,
+ NULL, NULL, (LPBYTE)dbuffer, &dbuflen) != ERROR_SUCCESS )
+ return 2;
+
+ char *psz_value = FromWide( vbuffer );
+
+ char *s = strchr( psz_value,'(' );
+ if( s != NULL && s != psz_value ) s[-1] = '\0';
+
+ /* Manage concatenated font names */
+ if( strchr( psz_value, '&') ) {
+ if( strcasestr( psz_value, font_name ) != NULL )
+ break;
+ }
+ else {
+ if( strcasecmp( psz_value, font_name ) == 0 )
+ break;
+ }
+ }
+
+ *psz_filename = FromWide( dbuffer );
+ return 0;
+}
+
+
+static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *lpelfe, const NEWTEXTMETRICEX *metric,
+ DWORD type, LPARAM lParam)
+{
+ VLC_UNUSED( metric );
+ if( (type & RASTER_FONTTYPE) ) return 1;
+ // if( lpelfe->elfScript ) FIXME
+
+ return GetFileFontByName( (const char *)lpelfe->elfFullName, (char **)lParam );
+}
+
+static char* Win32_Select( filter_t *p_filter, const char* family,
+ bool b_bold, bool b_italic, int i_size, int *i_idx )
+{
+ VLC_UNUSED( i_size );
+ // msg_Dbg( p_filter, "Here in Win32_Select, asking for %s", family );
+
+ /* */
+ LOGFONT lf;
+ lf.lfCharSet = DEFAULT_CHARSET;
+ if( b_italic )
+ lf.lfItalic = true;
+ if( b_bold )
+ lf.lfWeight = FW_BOLD;
+ strncpy( (LPSTR)&lf.lfFaceName, family, 32);
+
+ /* */
+ char *psz_filename = NULL;
+ HDC hDC = GetDC( NULL );
+ EnumFontFamiliesEx(hDC, &lf, (FONTENUMPROC)&EnumFontCallback, (LPARAM)&psz_filename, 0);
+ ReleaseDC(NULL, hDC);
+
+ if( psz_filename == NULL )
+ return NULL;
+
+ /* FIXME: increase i_idx, when concatenated strings */
+ i_idx = 0;
+
+ /* */
+ char *psz_tmp;
+ if( asprintf( &psz_tmp, "%s\\%s", p_filter->p_sys->psz_win_fonts_path, psz_filename ) == -1 )
+ return NULL;
+ return psz_tmp;
+}
+#endif
+
+#endif
+
+
+/*****************************************************************************
+ * RenderYUVP: place string in picture
+ *****************************************************************************
+ * This function merges the previously rendered freetype glyphs into a picture
+ *****************************************************************************/
+static int RenderYUVP( filter_t *p_filter, subpicture_region_t *p_region,
+ line_desc_t *p_line,
+ FT_BBox *p_bbox )
+{
+ VLC_UNUSED(p_filter);
+ static const uint8_t pi_gamma[16] =
+ {0x00, 0x52, 0x84, 0x96, 0xb8, 0xca, 0xdc, 0xee, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+ uint8_t *p_dst;
+ video_format_t fmt;
+ int i, x, y, i_pitch;
+ uint8_t i_y, i_u, i_v; /* YUV values, derived from incoming RGB */
+
+ /* Create a new subpicture region */
+ video_format_Init( &fmt, VLC_CODEC_YUVP );
+ fmt.i_width =
+ fmt.i_visible_width = p_bbox->xMax - p_bbox->xMin + 4;
+ fmt.i_height =
+ fmt.i_visible_height = p_bbox->yMax - p_bbox->yMin + 4;
+
+ assert( !p_region->p_picture );
+ p_region->p_picture = picture_NewFromFormat( &fmt );
+ if( !p_region->p_picture )
+ return VLC_EGENERIC;
+ fmt.p_palette = p_region->fmt.p_palette ? p_region->fmt.p_palette : malloc(sizeof(*fmt.p_palette));
+ p_region->fmt = fmt;
+
+ /* Calculate text color components
+ * Only use the first color */
+ int i_alpha = 0xff - ((p_line->p_character[0].i_color >> 24) & 0xff);
+ YUVFromRGB( p_line->p_character[0].i_color, &i_y, &i_u, &i_v );
+
+ /* Build palette */
+ fmt.p_palette->i_entries = 16;
+ for( i = 0; i < 8; i++ )
+ {
+ fmt.p_palette->palette[i][0] = 0;
+ fmt.p_palette->palette[i][1] = 0x80;
+ fmt.p_palette->palette[i][2] = 0x80;
+ fmt.p_palette->palette[i][3] = pi_gamma[i];
+ fmt.p_palette->palette[i][3] =
+ (int)fmt.p_palette->palette[i][3] * i_alpha / 255;
+ }
+ for( i = 8; i < fmt.p_palette->i_entries; i++ )
+ {
+ fmt.p_palette->palette[i][0] = i * 16 * i_y / 256;
+ fmt.p_palette->palette[i][1] = i_u;
+ fmt.p_palette->palette[i][2] = i_v;
+ fmt.p_palette->palette[i][3] = pi_gamma[i];
+ fmt.p_palette->palette[i][3] =
+ (int)fmt.p_palette->palette[i][3] * i_alpha / 255;
+ }
+
p_dst = p_region->p_picture->Y_PIXELS;
i_pitch = p_region->p_picture->Y_PITCH;
for( ; p_line != NULL; p_line = p_line->p_next )
{
- int i_glyph_tmax = 0;
- int i_bitmap_offset, i_offset, i_align_offset = 0;
- for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
- {
- FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
- i_glyph_tmax = __MAX( i_glyph_tmax, p_glyph->top );
- }
-
- if( p_line->i_width < i_width )
+ int i_align_left = 0;
+ if( p_line->i_width < fmt.i_visible_width )
{
if( (p_region->i_align & 0x3) == SUBPICTURE_ALIGN_RIGHT )
- {
- i_align_offset = i_width - p_line->i_width;
- }
+ i_align_left = ( fmt.i_visible_width - p_line->i_width );
else if( (p_region->i_align & 0x3) != SUBPICTURE_ALIGN_LEFT )
- {
- i_align_offset = ( i_width - p_line->i_width ) / 2;
- }
+ i_align_left = ( fmt.i_visible_width - p_line->i_width ) / 2;
}
+ int i_align_top = 0;
- for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
+ for( i = 0; i < p_line->i_character_count; i++ )
{
- FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
+ const line_character_t *ch = &p_line->p_character[i];
+ FT_BitmapGlyph p_glyph = ch->p_glyph;
- i_offset = ( p_line->p_glyph_pos[ i ].y +
- i_glyph_tmax - p_glyph->top + 2 ) *
- i_pitch + p_line->p_glyph_pos[ i ].x + p_glyph->left + 2 +
- i_align_offset;
+ int i_glyph_y = i_align_top - p_glyph->top + p_bbox->yMax + p_line->i_base_line;
+ int i_glyph_x = i_align_left + p_glyph->left - p_bbox->xMin;
- for( y = 0, i_bitmap_offset = 0; y < p_glyph->bitmap.rows; y++ )
+ for( y = 0; y < p_glyph->bitmap.rows; y++ )
{
- for( x = 0; x < p_glyph->bitmap.width; x++, i_bitmap_offset++ )
+ for( x = 0; x < p_glyph->bitmap.width; x++ )
{
- if( p_glyph->bitmap.buffer[i_bitmap_offset] )
- p_dst[i_offset+x] =
- ((int)p_glyph->bitmap.buffer[i_bitmap_offset] + 8)/16;
+ if( p_glyph->bitmap.buffer[y * p_glyph->bitmap.width + x] )
+ p_dst[(i_glyph_y + y) * i_pitch + (i_glyph_x + x)] =
+ (p_glyph->bitmap.buffer[y * p_glyph->bitmap.width + x] + 8)/16;
}
- i_offset += i_pitch;
}
}
}
return VLC_SUCCESS;
}
-static void UnderlineGlyphYUVA( int i_line_thickness, int i_line_offset, bool b_ul_next_char,
- FT_BitmapGlyph p_this_glyph, FT_Vector *p_this_glyph_pos,
- FT_BitmapGlyph p_next_glyph, FT_Vector *p_next_glyph_pos,
- int i_glyph_tmax, int i_align_offset,
- uint8_t i_y, uint8_t i_u, uint8_t i_v,
- subpicture_region_t *p_region)
+/*****************************************************************************
+ * RenderYUVA: place string in picture
+ *****************************************************************************
+ * This function merges the previously rendered freetype glyphs into a picture
+ *****************************************************************************/
+static inline void BlendYUVAPixel( picture_t *p_picture,
+ int i_picture_x, int i_picture_y,
+ int i_a, int i_y, int i_u, int i_v,
+ int i_alpha )
{
- int i_pitch;
- uint8_t *p_dst_y,*p_dst_u,*p_dst_v,*p_dst_a;
+ int i_an = i_a * i_alpha / 255;
- p_dst_y = p_region->p_picture->Y_PIXELS;
- p_dst_u = p_region->p_picture->U_PIXELS;
- p_dst_v = p_region->p_picture->V_PIXELS;
- p_dst_a = p_region->p_picture->A_PIXELS;
- i_pitch = p_region->p_picture->A_PITCH;
+ uint8_t *p_y = &p_picture->p[0].p_pixels[i_picture_y * p_picture->p[0].i_pitch + i_picture_x];
+ uint8_t *p_u = &p_picture->p[1].p_pixels[i_picture_y * p_picture->p[1].i_pitch + i_picture_x];
+ uint8_t *p_v = &p_picture->p[2].p_pixels[i_picture_y * p_picture->p[2].i_pitch + i_picture_x];
+ uint8_t *p_a = &p_picture->p[3].p_pixels[i_picture_y * p_picture->p[3].i_pitch + i_picture_x];
- int i_offset = ( p_this_glyph_pos->y + i_glyph_tmax + i_line_offset + 3 ) * i_pitch +
- p_this_glyph_pos->x + p_this_glyph->left + 3 + i_align_offset;
-
- for( int y = 0; y < i_line_thickness; y++ )
+ int i_ao = *p_a;
+ if( i_ao == 0 )
{
- int i_extra = p_this_glyph->bitmap.width;
-
- if( b_ul_next_char )
- {
- i_extra = (p_next_glyph_pos->x + p_next_glyph->left) -
- (p_this_glyph_pos->x + p_this_glyph->left);
- }
- for( int x = 0; x < i_extra; x++ )
+ *p_y = i_y;
+ *p_u = i_u;
+ *p_v = i_v;
+ *p_a = i_an;
+ }
+ else
+ {
+ *p_a = 255 - (255 - *p_a) * (255 - i_an) / 255;
+ if( *p_a != 0 )
{
- bool b_ok = true;
-
- /* break the underline around the tails of any glyphs which cross it */
- /* Strikethrough doesn't get broken */
- for( int z = x - i_line_thickness;
- z < x + i_line_thickness && b_ok && (i_line_offset >= 0);
- z++ )
- {
- if( p_next_glyph && ( z >= i_extra ) )
- {
- int i_row = i_line_offset + p_next_glyph->top + y;
-
- if( ( p_next_glyph->bitmap.rows > i_row ) &&
- p_next_glyph->bitmap.buffer[p_next_glyph->bitmap.width * i_row + z-i_extra] )
- {
- b_ok = false;
- }
- }
- else if ((z > 0 ) && (z < p_this_glyph->bitmap.width))
- {
- int i_row = i_line_offset + p_this_glyph->top + y;
-
- if( ( p_this_glyph->bitmap.rows > i_row ) &&
- p_this_glyph->bitmap.buffer[p_this_glyph->bitmap.width * i_row + z] )
- {
- b_ok = false;
- }
- }
- }
-
- if( b_ok )
- {
- p_dst_y[i_offset+x] = (i_y * 255) >> 8;
- p_dst_u[i_offset+x] = i_u;
- p_dst_v[i_offset+x] = i_v;
- p_dst_a[i_offset+x] = 255;
- }
+ *p_y = ( *p_y * i_ao * (255 - i_an) / 255 + i_y * i_an ) / *p_a;
+ *p_u = ( *p_u * i_ao * (255 - i_an) / 255 + i_u * i_an ) / *p_a;
+ *p_v = ( *p_v * i_ao * (255 - i_an) / 255 + i_v * i_an ) / *p_a;
}
- i_offset += i_pitch;
}
}
-static void DrawBlack( line_desc_t *p_line, int i_width, subpicture_region_t *p_region, int xoffset, int yoffset )
+static inline void BlendYUVAGlyph( picture_t *p_picture,
+ int i_picture_x, int i_picture_y,
+ int i_a, int i_y, int i_u, int i_v,
+ FT_BitmapGlyph p_glyph )
{
- uint8_t *p_dst = p_region->p_picture->A_PIXELS;
- int i_pitch = p_region->p_picture->A_PITCH;
- int y;
-
- for( ; p_line != NULL; p_line = p_line->p_next )
+ for( int dy = 0; dy < p_glyph->bitmap.rows; dy++ )
{
- int i_glyph_tmax=0, i = 0;
- int i_bitmap_offset, i_offset, i_align_offset = 0;
- for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
- {
- FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
- i_glyph_tmax = __MAX( i_glyph_tmax, p_glyph->top );
- }
-
- if( p_line->i_width < i_width )
- {
- if( (p_region->i_align & 0x3) == SUBPICTURE_ALIGN_RIGHT )
- {
- i_align_offset = i_width - p_line->i_width;
- }
- else if( (p_region->i_align & 0x3) != SUBPICTURE_ALIGN_LEFT )
- {
- i_align_offset = ( i_width - p_line->i_width ) / 2;
- }
- }
-
- for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
- {
- FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
+ for( int dx = 0; dx < p_glyph->bitmap.width; dx++ )
+ BlendYUVAPixel( p_picture, i_picture_x + dx, i_picture_y + dy,
+ i_a, i_y, i_u, i_v,
+ p_glyph->bitmap.buffer[dy * p_glyph->bitmap.width + dx] );
+ }
+}
- i_offset = ( p_line->p_glyph_pos[ i ].y +
- i_glyph_tmax - p_glyph->top + 3 + yoffset ) *
- i_pitch + p_line->p_glyph_pos[ i ].x + p_glyph->left + 3 +
- i_align_offset +xoffset;
+static inline void BlendYUVALine( picture_t *p_picture,
+ int i_picture_x, int i_picture_y,
+ int i_a, int i_y, int i_u, int i_v,
+ const line_character_t *p_current,
+ const line_character_t *p_next )
+{
+ int i_line_width = p_current->p_glyph->bitmap.width;
+ if( p_next )
+ i_line_width = p_next->p_glyph->left - p_current->p_glyph->left;
- for( y = 0, i_bitmap_offset = 0; y < p_glyph->bitmap.rows; y++ )
- {
- for( int x = 0; x < p_glyph->bitmap.width; x++, i_bitmap_offset++ )
- {
- if( p_glyph->bitmap.buffer[i_bitmap_offset] )
- if( p_dst[i_offset+x] <
- ((int)p_glyph->bitmap.buffer[i_bitmap_offset]) )
- p_dst[i_offset+x] =
- ((int)p_glyph->bitmap.buffer[i_bitmap_offset]);
- }
- i_offset += i_pitch;
- }
- }
+ for( int dx = 0; dx < i_line_width; dx++ )
+ {
+ for( int dy = 0; dy < p_current->i_line_thickness; dy++ )
+ BlendYUVAPixel( p_picture,
+ i_picture_x + dx,
+ i_picture_y + p_current->i_line_offset + dy,
+ i_a, i_y, i_u, i_v, 0xff );
}
}
-/*****************************************************************************
- * Render: place string in picture
- *****************************************************************************
- * This function merges the previously rendered freetype glyphs into a picture
- *****************************************************************************/
-static int RenderYUVA( filter_t *p_filter, subpicture_region_t *p_region,
- line_desc_t *p_line, int i_width, int i_height )
+static int RenderYUVA( filter_t *p_filter,
+ subpicture_region_t *p_region,
+ line_desc_t *p_line_head,
+ FT_BBox *p_bbox,
+ int i_margin )
{
- uint8_t *p_dst_y,*p_dst_u,*p_dst_v,*p_dst_a;
- video_format_t fmt;
- int i, y, i_pitch, i_alpha;
- uint8_t i_y, i_u, i_v; /* YUV values, derived from incoming RGB */
-
- if( i_width == 0 || i_height == 0 )
- return VLC_SUCCESS;
+ filter_sys_t *p_sys = p_filter->p_sys;
/* Create a new subpicture region */
- memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = VLC_CODEC_YUVA;
- fmt.i_width = fmt.i_visible_width = i_width + 6;
- fmt.i_height = fmt.i_visible_height = i_height + 6;
- if( p_region->fmt.i_visible_width > 0 )
- fmt.i_visible_width = p_region->fmt.i_visible_width;
- if( p_region->fmt.i_visible_height > 0 )
- fmt.i_visible_height = p_region->fmt.i_visible_height;
- fmt.i_x_offset = fmt.i_y_offset = 0;
- fmt.i_sar_num = 1;
- fmt.i_sar_den = 1;
+ const int i_text_width = p_bbox->xMax - p_bbox->xMin;
+ const int i_text_height = p_bbox->yMax - p_bbox->yMin;
+ video_format_t fmt;
+ video_format_Init( &fmt, VLC_CODEC_YUVA );
+ fmt.i_width =
+ fmt.i_visible_width = i_text_width + 2 * i_margin;
+ fmt.i_height =
+ fmt.i_visible_height = i_text_height + 2 * i_margin;
- p_region->p_picture = picture_NewFromFormat( &fmt );
+ picture_t *p_picture = p_region->p_picture = picture_NewFromFormat( &fmt );
if( !p_region->p_picture )
return VLC_EGENERIC;
p_region->fmt = fmt;
- /* Calculate text color components */
- YUVFromRGB( (p_line->i_red << 16) |
- (p_line->i_green << 8) |
- (p_line->i_blue ),
- &i_y, &i_u, &i_v);
- i_alpha = p_line->i_alpha;
-
- p_dst_y = p_region->p_picture->Y_PIXELS;
- p_dst_u = p_region->p_picture->U_PIXELS;
- p_dst_v = p_region->p_picture->V_PIXELS;
- p_dst_a = p_region->p_picture->A_PIXELS;
- i_pitch = p_region->p_picture->A_PITCH;
-
- /* Initialize the region pixels */
- if( p_filter->p_sys->i_effect != EFFECT_BACKGROUND )
+ /* Initialize the picture background */
+ uint8_t i_a = p_sys->i_background_opacity;
+ uint8_t i_y, i_u, i_v;
+ YUVFromRGB( p_sys->i_background_color, &i_y, &i_u, &i_v );
+
+ memset( p_picture->p[0].p_pixels, i_y,
+ p_picture->p[0].i_pitch * p_picture->p[0].i_lines );
+ memset( p_picture->p[1].p_pixels, i_u,
+ p_picture->p[1].i_pitch * p_picture->p[1].i_lines );
+ memset( p_picture->p[2].p_pixels, i_v,
+ p_picture->p[2].i_pitch * p_picture->p[2].i_lines );
+ memset( p_picture->p[3].p_pixels, i_a,
+ p_picture->p[3].i_pitch * p_picture->p[3].i_lines );
+
+ /* Render all lines */
+ for( line_desc_t *p_line = p_line_head; p_line != NULL; p_line = p_line->p_next )
{
- memset( p_dst_y, 0x00, i_pitch * p_region->fmt.i_height );
- memset( p_dst_u, 0x80, i_pitch * p_region->fmt.i_height );
- memset( p_dst_v, 0x80, i_pitch * p_region->fmt.i_height );
- memset( p_dst_a, 0, i_pitch * p_region->fmt.i_height );
- }
- else
- {
- memset( p_dst_y, 0x0, i_pitch * p_region->fmt.i_height );
- memset( p_dst_u, 0x80, i_pitch * p_region->fmt.i_height );
- memset( p_dst_v, 0x80, i_pitch * p_region->fmt.i_height );
- memset( p_dst_a, 0x80, i_pitch * p_region->fmt.i_height );
- }
- if( p_filter->p_sys->i_effect == EFFECT_OUTLINE ||
- p_filter->p_sys->i_effect == EFFECT_OUTLINE_FAT )
- {
- DrawBlack( p_line, i_width, p_region, 0, 0);
- DrawBlack( p_line, i_width, p_region, -1, 0);
- DrawBlack( p_line, i_width, p_region, 0, -1);
- DrawBlack( p_line, i_width, p_region, 1, 0);
- DrawBlack( p_line, i_width, p_region, 0, 1);
- }
-
- if( p_filter->p_sys->i_effect == EFFECT_OUTLINE_FAT )
- {
- DrawBlack( p_line, i_width, p_region, -1, -1);
- DrawBlack( p_line, i_width, p_region, -1, 1);
- DrawBlack( p_line, i_width, p_region, 1, -1);
- DrawBlack( p_line, i_width, p_region, 1, 1);
-
- DrawBlack( p_line, i_width, p_region, -2, 0);
- DrawBlack( p_line, i_width, p_region, 0, -2);
- DrawBlack( p_line, i_width, p_region, 2, 0);
- DrawBlack( p_line, i_width, p_region, 0, 2);
-
- DrawBlack( p_line, i_width, p_region, -2, -2);
- DrawBlack( p_line, i_width, p_region, -2, 2);
- DrawBlack( p_line, i_width, p_region, 2, -2);
- DrawBlack( p_line, i_width, p_region, 2, 2);
-
- DrawBlack( p_line, i_width, p_region, -3, 0);
- DrawBlack( p_line, i_width, p_region, 0, -3);
- DrawBlack( p_line, i_width, p_region, 3, 0);
- DrawBlack( p_line, i_width, p_region, 0, 3);
- }
-
- for( ; p_line != NULL; p_line = p_line->p_next )
- {
- int i_glyph_tmax = 0;
- int i_bitmap_offset, i_offset, i_align_offset = 0;
- for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
- {
- FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
- i_glyph_tmax = __MAX( i_glyph_tmax, p_glyph->top );
- }
-
- if( p_line->i_width < i_width )
+ int i_align_left = i_margin;
+ if( p_line->i_width < i_text_width )
{
+ /* Left offset to take into account alignment */
if( (p_region->i_align & 0x3) == SUBPICTURE_ALIGN_RIGHT )
- {
- i_align_offset = i_width - p_line->i_width;
- }
+ i_align_left += ( i_text_width - p_line->i_width );
else if( (p_region->i_align & 0x3) != SUBPICTURE_ALIGN_LEFT )
- {
- i_align_offset = ( i_width - p_line->i_width ) / 2;
- }
+ i_align_left += ( i_text_width - p_line->i_width ) / 2;
}
+ int i_align_top = i_margin;
- for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
+ /* Render all glyphs and underline/strikethrough */
+ for( int i = 0; i < p_line->i_character_count; i++ )
{
- FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
+ const line_character_t *ch = &p_line->p_character[i];
+ FT_BitmapGlyph p_glyph = ch->p_glyph;
+
+ i_a = 0xff - ((ch->i_color >> 24) & 0xff);
+ YUVFromRGB( ch->i_color, &i_y, &i_u, &i_v );
+
+ int i_glyph_y = i_align_top - p_glyph->top + p_bbox->yMax + p_line->i_base_line;
+ int i_glyph_x = i_align_left + p_glyph->left - p_bbox->xMin;
+
+ BlendYUVAGlyph( p_picture,
+ i_glyph_x, i_glyph_y,
+ i_a, i_y, i_u, i_v,
+ p_glyph );
+
+ if( ch->i_line_thickness > 0 )
+ BlendYUVALine( p_picture,
+ i_glyph_x, i_glyph_y + p_glyph->top,
+ i_a, i_y, i_u, i_v,
+ &ch[0],
+ i + 1 < p_line->i_character_count ? &ch[1] : NULL );
+ }
+ }
- i_offset = ( p_line->p_glyph_pos[ i ].y +
- i_glyph_tmax - p_glyph->top + 3 ) *
- i_pitch + p_line->p_glyph_pos[ i ].x + p_glyph->left + 3 +
- i_align_offset;
+ return VLC_SUCCESS;
+}
- if( p_line->b_new_color_mode )
- {
- /* Every glyph can (and in fact must) have its own color */
- YUVFromRGB( p_line->p_fg_rgb[ i ], &i_y, &i_u, &i_v );
- }
+static text_style_t *CreateStyle( char *psz_fontname, int i_font_size,
+ uint32_t i_font_color, uint32_t i_karaoke_bg_color,
+ int i_style_flags )
+{
+ text_style_t *p_style = text_style_New();
+ if( !p_style )
+ return NULL;
- for( y = 0, i_bitmap_offset = 0; y < p_glyph->bitmap.rows; y++ )
- {
- for( int x = 0; x < p_glyph->bitmap.width; x++, i_bitmap_offset++ )
- {
- uint8_t i_y_local = i_y;
- uint8_t i_u_local = i_u;
- uint8_t i_v_local = i_v;
+ p_style->psz_fontname = psz_fontname ? strdup( psz_fontname ) : NULL;
+ p_style->i_font_size = i_font_size;
+ p_style->i_font_color = (i_font_color & 0x00ffffff) >> 0;
+ p_style->i_font_alpha = (i_font_color & 0xff000000) >> 24;
+ p_style->i_karaoke_background_color = (i_karaoke_bg_color & 0x00ffffff) >> 0;
+ p_style->i_karaoke_background_alpha = (i_karaoke_bg_color & 0xff000000) >> 24;
+ p_style->i_style_flags |= i_style_flags;
+ return p_style;
+}
- if( p_line->p_fg_bg_ratio != 0x00 )
- {
- int i_split = p_glyph->bitmap.width *
- p_line->p_fg_bg_ratio[ i ] / 0x7f;
-
- if( x > i_split )
- {
- YUVFromRGB( p_line->p_bg_rgb[ i ],
- &i_y_local, &i_u_local, &i_v_local );
- }
- }
+static int PushFont( font_stack_t **p_font, const char *psz_name, int i_size,
+ uint32_t i_color, uint32_t i_karaoke_bg_color )
+{
+ if( !p_font )
+ return VLC_EGENERIC;
- if( p_glyph->bitmap.buffer[i_bitmap_offset] )
- {
- p_dst_y[i_offset+x] = ((p_dst_y[i_offset+x] *(255-(int)p_glyph->bitmap.buffer[i_bitmap_offset])) +
- i_y * ((int)p_glyph->bitmap.buffer[i_bitmap_offset])) >> 8;
+ font_stack_t *p_new = malloc( sizeof(*p_new) );
+ if( !p_new )
+ return VLC_ENOMEM;
- p_dst_u[i_offset+x] = i_u;
- p_dst_v[i_offset+x] = i_v;
+ p_new->p_next = NULL;
- if( p_filter->p_sys->i_effect == EFFECT_BACKGROUND )
- p_dst_a[i_offset+x] = 0xff;
- }
- }
- i_offset += i_pitch;
- }
+ if( psz_name )
+ p_new->psz_name = strdup( psz_name );
+ else
+ p_new->psz_name = NULL;
- if( p_line->pi_underline_thickness[ i ] )
- {
- UnderlineGlyphYUVA( p_line->pi_underline_thickness[ i ],
- p_line->pi_underline_offset[ i ],
- (p_line->pp_glyphs[i+1] && (p_line->pi_underline_thickness[ i + 1] > 0)),
- p_line->pp_glyphs[i], &(p_line->p_glyph_pos[i]),
- p_line->pp_glyphs[i+1], &(p_line->p_glyph_pos[i+1]),
- i_glyph_tmax, i_align_offset,
- i_y, i_u, i_v,
- p_region);
- }
- }
+ p_new->i_size = i_size;
+ p_new->i_color = i_color;
+ p_new->i_karaoke_bg_color = i_karaoke_bg_color;
+
+ if( !*p_font )
+ {
+ *p_font = p_new;
}
+ else
+ {
+ font_stack_t *p_last;
- /* Apply the alpha setting */
- for( i = 0; i < (int)fmt.i_height * i_pitch; i++ )
- p_dst_a[i] = p_dst_a[i] * (255 - i_alpha) / 255;
+ for( p_last = *p_font;
+ p_last->p_next;
+ p_last = p_last->p_next )
+ ;
+ p_last->p_next = p_new;
+ }
return VLC_SUCCESS;
}
-/**
- * This function renders a text subpicture region into another one.
- * It also calculates the size needed for this string, and renders the
- * needed glyphs into memory. It is used as pf_add_string callback in
- * the vout method by this module
- */
-static int RenderText( filter_t *p_filter, subpicture_region_t *p_region_out,
- subpicture_region_t *p_region_in )
+static int PopFont( font_stack_t **p_font )
{
- filter_sys_t *p_sys = p_filter->p_sys;
- line_desc_t *p_lines = NULL, *p_line = NULL, *p_next = NULL, *p_prev = NULL;
- int i, i_pen_y, i_pen_x, i_error, i_glyph_index, i_previous;
- uint32_t *psz_unicode, *psz_unicode_orig = NULL, i_char, *psz_line_start;
- size_t i_string_length;
- char *psz_string;
- int i_font_color, i_font_alpha, i_font_size, i_red, i_green, i_blue;
- vlc_value_t val;
- int i_scale = 1000;
-
- FT_BBox line;
- FT_BBox glyph_size;
- FT_Vector result;
- FT_Glyph tmp_glyph;
-
- /* Sanity check */
- if( !p_region_in || !p_region_out ) return VLC_EGENERIC;
- psz_string = p_region_in->psz_text;
- if( !psz_string || !*psz_string ) return VLC_EGENERIC;
+ font_stack_t *p_last, *p_next_to_last;
- if( VLC_SUCCESS == var_Get( p_filter, "scale", &val ))
- i_scale = val.i_int;
+ if( !p_font || !*p_font )
+ return VLC_EGENERIC;
- if( p_region_in->p_style )
+ p_next_to_last = NULL;
+ for( p_last = *p_font;
+ p_last->p_next;
+ p_last = p_last->p_next )
{
- i_font_color = __MAX( __MIN( p_region_in->p_style->i_font_color, 0xFFFFFF ), 0 );
- i_font_alpha = __MAX( __MIN( p_region_in->p_style->i_font_alpha, 255 ), 0 );
- i_font_size = __MAX( __MIN( p_region_in->p_style->i_font_size, 255 ), 0 ) * i_scale / 1000;
+ p_next_to_last = p_last;
}
+
+ if( p_next_to_last )
+ p_next_to_last->p_next = NULL;
else
- {
- i_font_color = p_sys->i_font_color;
- i_font_alpha = 255 - p_sys->i_font_opacity;
- i_font_size = p_sys->i_default_font_size * i_scale / 1000;
- }
+ *p_font = NULL;
- if( i_font_color == 0xFFFFFF ) i_font_color = p_sys->i_font_color;
- if( !i_font_alpha ) i_font_alpha = 255 - p_sys->i_font_opacity;
- SetFontSize( p_filter, i_font_size );
+ free( p_last->psz_name );
+ free( p_last );
- i_red = ( i_font_color & 0x00FF0000 ) >> 16;
- i_green = ( i_font_color & 0x0000FF00 ) >> 8;
- i_blue = i_font_color & 0x000000FF;
+ return VLC_SUCCESS;
+}
- result.x = result.y = 0;
- line.xMin = line.xMax = line.yMin = line.yMax = 0;
+static int PeekFont( font_stack_t **p_font, char **psz_name, int *i_size,
+ uint32_t *i_color, uint32_t *i_karaoke_bg_color )
+{
+ font_stack_t *p_last;
-#if defined(WORDS_BIGENDIAN)
- psz_unicode = ToCharset( "UCS-4BE", psz_string, &i_string_length );
-#else
- psz_unicode = ToCharset( "UCS-4LE", psz_string, &i_string_length );
-#endif
- if( psz_unicode == NULL )
- goto error;
- psz_unicode_orig = psz_unicode;
- i_string_length /= 4;
+ if( !p_font || !*p_font )
+ return VLC_EGENERIC;
-#if defined(HAVE_FRIBIDI)
- {
- uint32_t *p_fribidi_string;
- size_t start_pos;
- size_t pos = 0;
+ for( p_last=*p_font;
+ p_last->p_next;
+ p_last=p_last->p_next )
+ ;
- p_fribidi_string = malloc( (i_string_length + 1) * sizeof(uint32_t) );
- if( !p_fribidi_string )
- goto error;
+ *psz_name = p_last->psz_name;
+ *i_size = p_last->i_size;
+ *i_color = p_last->i_color;
+ *i_karaoke_bg_color = p_last->i_karaoke_bg_color;
- /* Do bidi conversion line-by-line */
- while( pos < i_string_length )
- {
- while( pos < i_string_length )
- {
- i_char = psz_unicode[pos];
- if (i_char != '\r' && i_char != '\n')
- break;
- p_fribidi_string[pos] = i_char;
- ++pos;
- }
- start_pos = pos;
- while( pos < i_string_length )
- {
- i_char = psz_unicode[pos];
- if (i_char == '\r' || i_char == '\n')
- break;
- ++pos;
- }
- if (pos > start_pos)
- {
-#if (FRIBIDI_MINOR_VERSION < 19) && (FRIBIDI_MAJOR_VERSION == 0)
- FriBidiCharType base_dir = FRIBIDI_TYPE_LTR;
-#else
- FriBidiParType base_dir = FRIBIDI_PAR_LTR;
-#endif
- fribidi_log2vis((FriBidiChar*)psz_unicode + start_pos,
- pos - start_pos,
- &base_dir,
- (FriBidiChar*)p_fribidi_string + start_pos,
- 0, 0, 0);
- }
- }
-
- free( psz_unicode_orig );
- psz_unicode = psz_unicode_orig = p_fribidi_string;
- p_fribidi_string[ i_string_length ] = 0;
- }
-#endif
-
- /* Calculate relative glyph positions and a bounding box for the
- * entire string */
- if( !(p_line = NewLine( strlen( psz_string ))) )
- goto error;
- p_lines = p_line;
- i_pen_x = i_pen_y = 0;
- i_previous = i = 0;
- psz_line_start = psz_unicode;
+ return VLC_SUCCESS;
+}
-#define face p_sys->p_face
-#define glyph face->glyph
+static const struct {
+ const char *psz_name;
+ uint32_t i_value;
+} p_html_colors[] = {
+ /* Official html colors */
+ { "Aqua", 0x00FFFF },
+ { "Black", 0x000000 },
+ { "Blue", 0x0000FF },
+ { "Fuchsia", 0xFF00FF },
+ { "Gray", 0x808080 },
+ { "Green", 0x008000 },
+ { "Lime", 0x00FF00 },
+ { "Maroon", 0x800000 },
+ { "Navy", 0x000080 },
+ { "Olive", 0x808000 },
+ { "Purple", 0x800080 },
+ { "Red", 0xFF0000 },
+ { "Silver", 0xC0C0C0 },
+ { "Teal", 0x008080 },
+ { "White", 0xFFFFFF },
+ { "Yellow", 0xFFFF00 },
+
+ /* Common ones */
+ { "AliceBlue", 0xF0F8FF },
+ { "AntiqueWhite", 0xFAEBD7 },
+ { "Aqua", 0x00FFFF },
+ { "Aquamarine", 0x7FFFD4 },
+ { "Azure", 0xF0FFFF },
+ { "Beige", 0xF5F5DC },
+ { "Bisque", 0xFFE4C4 },
+ { "Black", 0x000000 },
+ { "BlanchedAlmond", 0xFFEBCD },
+ { "Blue", 0x0000FF },
+ { "BlueViolet", 0x8A2BE2 },
+ { "Brown", 0xA52A2A },
+ { "BurlyWood", 0xDEB887 },
+ { "CadetBlue", 0x5F9EA0 },
+ { "Chartreuse", 0x7FFF00 },
+ { "Chocolate", 0xD2691E },
+ { "Coral", 0xFF7F50 },
+ { "CornflowerBlue", 0x6495ED },
+ { "Cornsilk", 0xFFF8DC },
+ { "Crimson", 0xDC143C },
+ { "Cyan", 0x00FFFF },
+ { "DarkBlue", 0x00008B },
+ { "DarkCyan", 0x008B8B },
+ { "DarkGoldenRod", 0xB8860B },
+ { "DarkGray", 0xA9A9A9 },
+ { "DarkGrey", 0xA9A9A9 },
+ { "DarkGreen", 0x006400 },
+ { "DarkKhaki", 0xBDB76B },
+ { "DarkMagenta", 0x8B008B },
+ { "DarkOliveGreen", 0x556B2F },
+ { "Darkorange", 0xFF8C00 },
+ { "DarkOrchid", 0x9932CC },
+ { "DarkRed", 0x8B0000 },
+ { "DarkSalmon", 0xE9967A },
+ { "DarkSeaGreen", 0x8FBC8F },
+ { "DarkSlateBlue", 0x483D8B },
+ { "DarkSlateGray", 0x2F4F4F },
+ { "DarkSlateGrey", 0x2F4F4F },
+ { "DarkTurquoise", 0x00CED1 },
+ { "DarkViolet", 0x9400D3 },
+ { "DeepPink", 0xFF1493 },
+ { "DeepSkyBlue", 0x00BFFF },
+ { "DimGray", 0x696969 },
+ { "DimGrey", 0x696969 },
+ { "DodgerBlue", 0x1E90FF },
+ { "FireBrick", 0xB22222 },
+ { "FloralWhite", 0xFFFAF0 },
+ { "ForestGreen", 0x228B22 },
+ { "Fuchsia", 0xFF00FF },
+ { "Gainsboro", 0xDCDCDC },
+ { "GhostWhite", 0xF8F8FF },
+ { "Gold", 0xFFD700 },
+ { "GoldenRod", 0xDAA520 },
+ { "Gray", 0x808080 },
+ { "Grey", 0x808080 },
+ { "Green", 0x008000 },
+ { "GreenYellow", 0xADFF2F },
+ { "HoneyDew", 0xF0FFF0 },
+ { "HotPink", 0xFF69B4 },
+ { "IndianRed", 0xCD5C5C },
+ { "Indigo", 0x4B0082 },
+ { "Ivory", 0xFFFFF0 },
+ { "Khaki", 0xF0E68C },
+ { "Lavender", 0xE6E6FA },
+ { "LavenderBlush", 0xFFF0F5 },
+ { "LawnGreen", 0x7CFC00 },
+ { "LemonChiffon", 0xFFFACD },
+ { "LightBlue", 0xADD8E6 },
+ { "LightCoral", 0xF08080 },
+ { "LightCyan", 0xE0FFFF },
+ { "LightGoldenRodYellow", 0xFAFAD2 },
+ { "LightGray", 0xD3D3D3 },
+ { "LightGrey", 0xD3D3D3 },
+ { "LightGreen", 0x90EE90 },
+ { "LightPink", 0xFFB6C1 },
+ { "LightSalmon", 0xFFA07A },
+ { "LightSeaGreen", 0x20B2AA },
+ { "LightSkyBlue", 0x87CEFA },
+ { "LightSlateGray", 0x778899 },
+ { "LightSlateGrey", 0x778899 },
+ { "LightSteelBlue", 0xB0C4DE },
+ { "LightYellow", 0xFFFFE0 },
+ { "Lime", 0x00FF00 },
+ { "LimeGreen", 0x32CD32 },
+ { "Linen", 0xFAF0E6 },
+ { "Magenta", 0xFF00FF },
+ { "Maroon", 0x800000 },
+ { "MediumAquaMarine", 0x66CDAA },
+ { "MediumBlue", 0x0000CD },
+ { "MediumOrchid", 0xBA55D3 },
+ { "MediumPurple", 0x9370D8 },
+ { "MediumSeaGreen", 0x3CB371 },
+ { "MediumSlateBlue", 0x7B68EE },
+ { "MediumSpringGreen", 0x00FA9A },
+ { "MediumTurquoise", 0x48D1CC },
+ { "MediumVioletRed", 0xC71585 },
+ { "MidnightBlue", 0x191970 },
+ { "MintCream", 0xF5FFFA },
+ { "MistyRose", 0xFFE4E1 },
+ { "Moccasin", 0xFFE4B5 },
+ { "NavajoWhite", 0xFFDEAD },
+ { "Navy", 0x000080 },
+ { "OldLace", 0xFDF5E6 },
+ { "Olive", 0x808000 },
+ { "OliveDrab", 0x6B8E23 },
+ { "Orange", 0xFFA500 },
+ { "OrangeRed", 0xFF4500 },
+ { "Orchid", 0xDA70D6 },
+ { "PaleGoldenRod", 0xEEE8AA },
+ { "PaleGreen", 0x98FB98 },
+ { "PaleTurquoise", 0xAFEEEE },
+ { "PaleVioletRed", 0xD87093 },
+ { "PapayaWhip", 0xFFEFD5 },
+ { "PeachPuff", 0xFFDAB9 },
+ { "Peru", 0xCD853F },
+ { "Pink", 0xFFC0CB },
+ { "Plum", 0xDDA0DD },
+ { "PowderBlue", 0xB0E0E6 },
+ { "Purple", 0x800080 },
+ { "Red", 0xFF0000 },
+ { "RosyBrown", 0xBC8F8F },
+ { "RoyalBlue", 0x4169E1 },
+ { "SaddleBrown", 0x8B4513 },
+ { "Salmon", 0xFA8072 },
+ { "SandyBrown", 0xF4A460 },
+ { "SeaGreen", 0x2E8B57 },
+ { "SeaShell", 0xFFF5EE },
+ { "Sienna", 0xA0522D },
+ { "Silver", 0xC0C0C0 },
+ { "SkyBlue", 0x87CEEB },
+ { "SlateBlue", 0x6A5ACD },
+ { "SlateGray", 0x708090 },
+ { "SlateGrey", 0x708090 },
+ { "Snow", 0xFFFAFA },
+ { "SpringGreen", 0x00FF7F },
+ { "SteelBlue", 0x4682B4 },
+ { "Tan", 0xD2B48C },
+ { "Teal", 0x008080 },
+ { "Thistle", 0xD8BFD8 },
+ { "Tomato", 0xFF6347 },
+ { "Turquoise", 0x40E0D0 },
+ { "Violet", 0xEE82EE },
+ { "Wheat", 0xF5DEB3 },
+ { "White", 0xFFFFFF },
+ { "WhiteSmoke", 0xF5F5F5 },
+ { "Yellow", 0xFFFF00 },
+ { "YellowGreen", 0x9ACD32 },
+
+ { NULL, 0 }
+};
- while( *psz_unicode )
+static int HandleFontAttributes( xml_reader_t *p_xml_reader,
+ font_stack_t **p_fonts )
+{
+ int rv;
+ char *psz_fontname = NULL;
+ uint32_t i_font_color = 0xffffff;
+ int i_font_alpha = 0;
+ uint32_t i_karaoke_bg_color = 0x00ffffff;
+ int i_font_size = 24;
+
+ /* Default all attributes to the top font in the stack -- in case not
+ * all attributes are specified in the sub-font
+ */
+ if( VLC_SUCCESS == PeekFont( p_fonts,
+ &psz_fontname,
+ &i_font_size,
+ &i_font_color,
+ &i_karaoke_bg_color ))
{
- i_char = *psz_unicode++;
- if( i_char == '\r' ) /* ignore CR chars wherever they may be */
- {
- continue;
- }
-
- if( i_char == '\n' )
- {
- psz_line_start = psz_unicode;
- if( !(p_next = NewLine( strlen( psz_string ))) )
- goto error;
- p_line->p_next = p_next;
- p_line->i_width = line.xMax;
- p_line->i_height = face->size->metrics.height >> 6;
- p_line->pp_glyphs[ i ] = NULL;
- p_line->i_alpha = i_font_alpha;
- p_line->i_red = i_red;
- p_line->i_green = i_green;
- p_line->i_blue = i_blue;
- p_prev = p_line;
- p_line = p_next;
- result.x = __MAX( result.x, line.xMax );
- result.y += face->size->metrics.height >> 6;
- i_pen_x = 0;
- i_previous = i = 0;
- line.xMin = line.xMax = line.yMin = line.yMax = 0;
- i_pen_y += face->size->metrics.height >> 6;
-#if 0
- msg_Dbg( p_filter, "Creating new line, i is %d", i );
-#endif
- continue;
- }
+ psz_fontname = strdup( psz_fontname );
+ i_font_size = i_font_size;
+ }
+ i_font_alpha = (i_font_color >> 24) & 0xff;
+ i_font_color &= 0x00ffffff;
- i_glyph_index = FT_Get_Char_Index( face, i_char );
- if( p_sys->i_use_kerning && i_glyph_index
- && i_previous )
+ const char *name, *value;
+ while( (name = xml_ReaderNextAttr( p_xml_reader, &value )) != NULL )
+ {
+ if( !strcasecmp( "face", name ) )
{
- FT_Vector delta;
- FT_Get_Kerning( face, i_previous, i_glyph_index,
- ft_kerning_default, &delta );
- i_pen_x += delta.x >> 6;
-
+ free( psz_fontname );
+ psz_fontname = strdup( value );
}
- p_line->p_glyph_pos[ i ].x = i_pen_x;
- p_line->p_glyph_pos[ i ].y = i_pen_y;
- i_error = FT_Load_Glyph( face, i_glyph_index, FT_LOAD_NO_BITMAP | FT_LOAD_DEFAULT );
- if( i_error )
+ else if( !strcasecmp( "size", name ) )
{
- i_error = FT_Load_Glyph( face, i_glyph_index, FT_LOAD_DEFAULT );
- if( i_error )
+ if( ( *value == '+' ) || ( *value == '-' ) )
{
- msg_Err( p_filter, "unable to render text FT_Load_Glyph returned"
- " %d", i_error );
- goto error;
+ int i_value = atoi( value );
+
+ if( ( i_value >= -5 ) && ( i_value <= 5 ) )
+ i_font_size += ( i_value * i_font_size ) / 10;
+ else if( i_value < -5 )
+ i_font_size = - i_value;
+ else if( i_value > 5 )
+ i_font_size = i_value;
}
+ else
+ i_font_size = atoi( value );
}
- i_error = FT_Get_Glyph( glyph, &tmp_glyph );
- if( i_error )
- {
- msg_Err( p_filter, "unable to render text FT_Get_Glyph returned "
- "%d", i_error );
- goto error;
- }
- FT_Glyph_Get_CBox( tmp_glyph, ft_glyph_bbox_pixels, &glyph_size );
- i_error = FT_Glyph_To_Bitmap( &tmp_glyph, ft_render_mode_normal, 0, 1);
- if( i_error )
- {
- FT_Done_Glyph( tmp_glyph );
- continue;
- }
- p_line->pp_glyphs[ i ] = (FT_BitmapGlyph)tmp_glyph;
-
- /* Do rest */
- line.xMax = p_line->p_glyph_pos[i].x + glyph_size.xMax -
- glyph_size.xMin + ((FT_BitmapGlyph)tmp_glyph)->left;
- if( line.xMax > (int)p_filter->fmt_out.video.i_visible_width - 20 )
+ else if( !strcasecmp( "color", name ) )
{
- FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[ i ] );
- p_line->pp_glyphs[ i ] = NULL;
- FreeLine( p_line );
- p_line = NewLine( strlen( psz_string ));
- if( p_prev ) p_prev->p_next = p_line;
- else p_lines = p_line;
-
- uint32_t *psz_unicode_saved = psz_unicode;
- while( psz_unicode > psz_line_start && *psz_unicode != ' ' )
+ if( value[0] == '#' )
{
- psz_unicode--;
- }
- if( psz_unicode == psz_line_start )
- { /* try harder to break that line */
- psz_unicode = psz_unicode_saved;
- while( psz_unicode > psz_line_start &&
- *psz_unicode != '_' && *psz_unicode != '/' &&
- *psz_unicode != '\\' && *psz_unicode != '.' )
- {
- psz_unicode--;
- }
- }
- if( psz_unicode == psz_line_start )
- {
- msg_Warn( p_filter, "unbreakable string" );
- goto error;
+ i_font_color = strtol( value + 1, NULL, 16 );
+ i_font_color &= 0x00ffffff;
}
else
{
- *psz_unicode = '\n';
+ for( int i = 0; p_html_colors[i].psz_name != NULL; i++ )
+ {
+ if( !strncasecmp( value, p_html_colors[i].psz_name, strlen(p_html_colors[i].psz_name) ) )
+ {
+ i_font_color = p_html_colors[i].i_value;
+ break;
+ }
+ }
}
- psz_unicode = psz_line_start;
- i_pen_x = 0;
- i_previous = i = 0;
- line.xMin = line.xMax = line.yMin = line.yMax = 0;
- continue;
}
- line.yMax = __MAX( line.yMax, glyph_size.yMax );
- line.yMin = __MIN( line.yMin, glyph_size.yMin );
-
- i_previous = i_glyph_index;
- i_pen_x += glyph->advance.x >> 6;
- i++;
+ else if( !strcasecmp( "alpha", name ) && ( value[0] == '#' ) )
+ {
+ i_font_alpha = strtol( value + 1, NULL, 16 );
+ i_font_alpha &= 0xff;
+ }
}
+ rv = PushFont( p_fonts,
+ psz_fontname,
+ i_font_size,
+ (i_font_color & 0xffffff) | ((i_font_alpha & 0xff) << 24),
+ i_karaoke_bg_color );
- p_line->i_width = line.xMax;
- p_line->i_height = face->size->metrics.height >> 6;
- p_line->pp_glyphs[ i ] = NULL;
- p_line->i_alpha = i_font_alpha;
- p_line->i_red = i_red;
- p_line->i_green = i_green;
- p_line->i_blue = i_blue;
- result.x = __MAX( result.x, line.xMax );
- result.y += line.yMax - line.yMin;
-
-#undef face
-#undef glyph
-
- p_region_out->i_x = p_region_in->i_x;
- p_region_out->i_y = p_region_in->i_y;
-
- if( var_InheritBool( p_filter, "freetype-yuvp" ) )
- Render( p_filter, p_region_out, p_lines, result.x, result.y );
- else
- RenderYUVA( p_filter, p_region_out, p_lines, result.x, result.y );
-
- free( psz_unicode_orig );
- FreeLines( p_lines );
- return VLC_SUCCESS;
+ free( psz_fontname );
- error:
- free( psz_unicode_orig );
- FreeLines( p_lines );
- return VLC_EGENERIC;
+ return rv;
}
-#ifdef HAVE_STYLES
-static ft_style_t *CreateStyle( char *psz_fontname, int i_font_size,
- uint32_t i_font_color, uint32_t i_karaoke_bg_color, bool b_bold,
- bool b_italic, bool b_uline, bool b_through )
+/* Turn any multiple-whitespaces into single spaces */
+static void HandleWhiteSpace( char *psz_node )
{
- ft_style_t *p_style = malloc( sizeof( ft_style_t ));
-
- if( p_style )
+ char *s = strpbrk( psz_node, "\t\r\n " );
+ while( s )
{
- p_style->i_font_size = i_font_size;
- p_style->i_font_color = i_font_color;
- p_style->i_karaoke_bg_color = i_karaoke_bg_color;
- p_style->b_italic = b_italic;
- p_style->b_bold = b_bold;
- p_style->b_underline = b_uline;
- p_style->b_through = b_through;
-
- p_style->psz_fontname = strdup( psz_fontname );
- }
- return p_style;
-}
+ int i_whitespace = strspn( s, "\t\r\n " );
-static void DeleteStyle( ft_style_t *p_style )
-{
- if( p_style )
- {
- free( p_style->psz_fontname );
- free( p_style );
+ if( i_whitespace > 1 )
+ memmove( &s[1],
+ &s[i_whitespace],
+ strlen( s ) - i_whitespace + 1 );
+ *s++ = ' ';
+
+ s = strpbrk( s, "\t\r\n " );
}
}
-static bool StyleEquals( ft_style_t *s1, ft_style_t *s2 )
+
+static text_style_t *GetStyleFromFontStack( filter_sys_t *p_sys,
+ font_stack_t **p_fonts,
+ int i_style_flags )
{
- if( !s1 || !s2 )
- return false;
- if( s1 == s2 )
- return true;
+ char *psz_fontname = NULL;
+ uint32_t i_font_color = p_sys->i_font_color & 0x00ffffff;
+ uint32_t i_karaoke_bg_color = i_font_color;
+ int i_font_size = p_sys->i_font_size;
- if(( s1->i_font_size == s2->i_font_size ) &&
- ( s1->i_font_color == s2->i_font_color ) &&
- ( s1->b_italic == s2->b_italic ) &&
- ( s1->b_through == s2->b_through ) &&
- ( s1->b_bold == s2->b_bold ) &&
- ( s1->b_underline == s2->b_underline ) &&
- ( !strcmp( s1->psz_fontname, s2->psz_fontname )))
- {
- return true;
- }
- return false;
+ if( PeekFont( p_fonts, &psz_fontname, &i_font_size,
+ &i_font_color, &i_karaoke_bg_color ) )
+ return NULL;
+
+ return CreateStyle( psz_fontname, i_font_size, i_font_color,
+ i_karaoke_bg_color,
+ i_style_flags );
}
-static void IconvText( filter_t *p_filter, const char *psz_string,
- size_t *i_string_length, uint32_t **ppsz_unicode )
+static unsigned SetupText( filter_t *p_filter,
+ uint32_t *psz_text_out,
+ text_style_t **pp_styles,
+ uint32_t *pi_k_dates,
+
+ const char *psz_text_in,
+ text_style_t *p_style,
+ uint32_t i_k_date )
{
- *i_string_length = 0;
- if( *ppsz_unicode == NULL )
- return;
+ size_t i_string_length;
- size_t i_length;
- uint32_t *psz_tmp =
+ size_t i_string_bytes;
#if defined(WORDS_BIGENDIAN)
- ToCharset( "UCS-4BE", psz_string, &i_length );
+ uint32_t *psz_tmp = ToCharset( "UCS-4BE", psz_text_in, &i_string_bytes );
#else
- ToCharset( "UCS-4LE", psz_string, &i_length );
+ uint32_t *psz_tmp = ToCharset( "UCS-4LE", psz_text_in, &i_string_bytes );
#endif
- if( !psz_tmp )
+ if( psz_tmp )
+ {
+ memcpy( psz_text_out, psz_tmp, i_string_bytes );
+ i_string_length = i_string_bytes / 4;
+ free( psz_tmp );
+ }
+ else
{
msg_Warn( p_filter, "failed to convert string to unicode (%m)" );
- return;
+ i_string_length = 0;
}
- memcpy( *ppsz_unicode, psz_tmp, i_length );
- *i_string_length = i_length / 4;
-
- free( psz_tmp );
-}
-
-static ft_style_t *GetStyleFromFontStack( filter_sys_t *p_sys,
- font_stack_t **p_fonts, bool b_bold, bool b_italic,
- bool b_uline, bool b_through )
-{
- ft_style_t *p_style = NULL;
-
- char *psz_fontname = NULL;
- uint32_t i_font_color = p_sys->i_font_color & 0x00ffffff;
- uint32_t i_karaoke_bg_color = i_font_color;
- int i_font_size = p_sys->i_font_size;
- if( VLC_SUCCESS == PeekFont( p_fonts, &psz_fontname, &i_font_size,
- &i_font_color, &i_karaoke_bg_color ))
+ if( i_string_length > 0 )
{
- p_style = CreateStyle( psz_fontname, i_font_size, i_font_color,
- i_karaoke_bg_color, b_bold, b_italic, b_uline, b_through );
+ for( unsigned i = 0; i < i_string_length; i++ )
+ pp_styles[i] = p_style;
}
- return p_style;
+ else
+ {
+ text_style_Delete( p_style );
+ }
+ if( i_string_length > 0 && pi_k_dates )
+ {
+ for( unsigned i = 0; i < i_string_length; i++ )
+ pi_k_dates[i] = i_k_date;
+ }
+ return i_string_length;
}
-static int RenderTag( filter_t *p_filter, FT_Face p_face, int i_font_color,
- bool b_uline, bool b_through, bool b_bold,
- bool b_italic, int i_karaoke_bgcolor,
- line_desc_t *p_line, uint32_t *psz_unicode,
- int *pi_pen_x, int i_pen_y, int *pi_start,
- FT_Vector *p_result )
+static int ProcessNodes( filter_t *p_filter,
+ uint32_t *psz_text,
+ text_style_t **pp_styles,
+ uint32_t *pi_k_dates,
+ int *pi_len,
+ xml_reader_t *p_xml_reader,
+ text_style_t *p_font_style )
{
- FT_BBox line;
- int i_yMin, i_yMax;
- int i;
- bool b_first_on_line = true;
-
- int i_previous = 0;
- int i_pen_x_start = *pi_pen_x;
+ int rv = VLC_SUCCESS;
+ filter_sys_t *p_sys = p_filter->p_sys;
+ int i_text_length = 0;
+ font_stack_t *p_fonts = NULL;
+ uint32_t i_k_date = 0;
- uint32_t *psz_unicode_start = psz_unicode;
+ int i_style_flags = 0;
- line.xMin = line.xMax = line.yMin = line.yMax = 0;
-
- /* Account for part of line already in position */
- for( i = 0; i<*pi_start; i++ )
+ if( p_font_style )
{
- FT_BBox glyph_size;
-
- FT_Glyph_Get_CBox( (FT_Glyph) p_line->pp_glyphs[ i ],
- ft_glyph_bbox_pixels, &glyph_size );
-
- line.xMax = p_line->p_glyph_pos[ i ].x + glyph_size.xMax -
- glyph_size.xMin + p_line->pp_glyphs[ i ]->left;
- line.yMax = __MAX( line.yMax, glyph_size.yMax );
- line.yMin = __MIN( line.yMin, glyph_size.yMin );
+ rv = PushFont( &p_fonts,
+ p_font_style->psz_fontname,
+ p_font_style->i_font_size,
+ (p_font_style->i_font_color & 0xffffff) |
+ ((p_font_style->i_font_alpha & 0xff) << 24),
+ (p_font_style->i_karaoke_background_color & 0xffffff) |
+ ((p_font_style->i_karaoke_background_alpha & 0xff) << 24));
+
+ i_style_flags = p_font_style->i_style_flags & (STYLE_BOLD |
+ STYLE_ITALIC |
+ STYLE_UNDERLINE |
+ STYLE_STRIKEOUT);
}
- i_yMin = line.yMin;
- i_yMax = line.yMax;
-
- if( line.xMax > 0 )
- b_first_on_line = false;
-
- while( *psz_unicode && ( *psz_unicode != '\n' ) )
+#ifdef HAVE_STYLES
+ else
{
- FT_BBox glyph_size;
- FT_Glyph tmp_glyph;
- int i_error;
-
- int i_glyph_index = FT_Get_Char_Index( p_face, *psz_unicode++ );
- if( FT_HAS_KERNING( p_face ) && i_glyph_index
- && i_previous )
- {
- FT_Vector delta;
- FT_Get_Kerning( p_face, i_previous, i_glyph_index,
- ft_kerning_default, &delta );
- *pi_pen_x += delta.x >> 6;
- }
- p_line->p_glyph_pos[ i ].x = *pi_pen_x;
- p_line->p_glyph_pos[ i ].y = i_pen_y;
-
- i_error = FT_Load_Glyph( p_face, i_glyph_index, FT_LOAD_NO_BITMAP | FT_LOAD_DEFAULT );
- if( i_error )
- {
- i_error = FT_Load_Glyph( p_face, i_glyph_index, FT_LOAD_DEFAULT );
- if( i_error )
- {
- msg_Err( p_filter,
- "unable to render text FT_Load_Glyph returned %d", i_error );
- p_line->pp_glyphs[ i ] = NULL;
- return VLC_EGENERIC;
- }
- }
+ rv = PushFont( &p_fonts,
+ p_sys->psz_fontfamily,
+ p_sys->i_font_size,
+ (p_sys->i_font_color & 0xffffff) |
+ (((255-p_sys->i_font_opacity) & 0xff) << 24),
+ 0x00ffffff );
+ }
+#endif
- /* Do synthetic styling now that Freetype supports it;
- * ie. if the font we have loaded is NOT already in the
- * style that the tags want, then switch it on; if they
- * are then don't. */
- if (b_bold && !( p_face->style_flags & FT_STYLE_FLAG_BOLD ))
- FT_GlyphSlot_Embolden( p_face->glyph );
- if (b_italic && !( p_face->style_flags & FT_STYLE_FLAG_ITALIC ))
- FT_GlyphSlot_Oblique( p_face->glyph );
-
- i_error = FT_Get_Glyph( p_face->glyph, &tmp_glyph );
- if( i_error )
- {
- msg_Err( p_filter,
- "unable to render text FT_Get_Glyph returned %d", i_error );
- p_line->pp_glyphs[ i ] = NULL;
- return VLC_EGENERIC;
- }
- FT_Glyph_Get_CBox( tmp_glyph, ft_glyph_bbox_pixels, &glyph_size );
- i_error = FT_Glyph_To_Bitmap( &tmp_glyph, FT_RENDER_MODE_NORMAL, 0, 1);
- if( i_error )
- {
- FT_Done_Glyph( tmp_glyph );
- continue;
- }
- if( b_uline || b_through )
- {
- float aOffset = FT_FLOOR(FT_MulFix(p_face->underline_position,
- p_face->size->metrics.y_scale));
- float aSize = FT_CEIL(FT_MulFix(p_face->underline_thickness,
- p_face->size->metrics.y_scale));
-
- p_line->pi_underline_offset[ i ] =
- ( aOffset < 0 ) ? -aOffset : aOffset;
- p_line->pi_underline_thickness[ i ] =
- ( aSize < 0 ) ? -aSize : aSize;
- if (b_through)
- {
- /* Move the baseline to make it strikethrough instead of
- * underline. That means that strikethrough takes precedence
- */
- float aDescent = FT_FLOOR(FT_MulFix(p_face->descender*2,
- p_face->size->metrics.y_scale));
-
- p_line->pi_underline_offset[ i ] -=
- ( aDescent < 0 ) ? -aDescent : aDescent;
- }
- }
+ if( rv != VLC_SUCCESS )
+ return rv;
- p_line->pp_glyphs[ i ] = (FT_BitmapGlyph)tmp_glyph;
- p_line->p_fg_rgb[ i ] = i_font_color & 0x00ffffff;
- p_line->p_bg_rgb[ i ] = i_karaoke_bgcolor & 0x00ffffff;
- p_line->p_fg_bg_ratio[ i ] = 0x00;
+ const char *node;
+ int type;
- line.xMax = p_line->p_glyph_pos[i].x + glyph_size.xMax -
- glyph_size.xMin + ((FT_BitmapGlyph)tmp_glyph)->left;
- if( line.xMax > (int)p_filter->fmt_out.video.i_visible_width - 20 )
+ while ( (type = xml_ReaderNextNode( p_xml_reader, &node )) > 0 )
+ {
+ switch ( type )
{
- for( ; i >= *pi_start; i-- )
- FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[ i ] );
- i = *pi_start;
+ case XML_READER_ENDELEM:
+ if( !strcasecmp( "font", node ) )
+ PopFont( &p_fonts );
+ else if( !strcasecmp( "b", node ) )
+ i_style_flags &= ~STYLE_BOLD;
+ else if( !strcasecmp( "i", node ) )
+ i_style_flags &= ~STYLE_ITALIC;
+ else if( !strcasecmp( "u", node ) )
+ i_style_flags &= ~STYLE_UNDERLINE;
+ else if( !strcasecmp( "s", node ) )
+ i_style_flags &= ~STYLE_STRIKEOUT;
+ break;
- while( psz_unicode > psz_unicode_start && *psz_unicode != ' ' )
- {
- psz_unicode--;
- }
- if( psz_unicode == psz_unicode_start )
- {
- if( b_first_on_line )
+ case XML_READER_STARTELEM:
+ if( !strcasecmp( "font", node ) )
+ HandleFontAttributes( p_xml_reader, &p_fonts );
+ else if( !strcasecmp( "b", node ) )
+ i_style_flags |= STYLE_BOLD;
+ else if( !strcasecmp( "i", node ) )
+ i_style_flags |= STYLE_ITALIC;
+ else if( !strcasecmp( "u", node ) )
+ i_style_flags |= STYLE_UNDERLINE;
+ else if( !strcasecmp( "s", node ) )
+ i_style_flags |= STYLE_STRIKEOUT;
+ else if( !strcasecmp( "br", node ) )
{
- msg_Warn( p_filter, "unbreakable string" );
- p_line->pp_glyphs[ i ] = NULL;
- return VLC_EGENERIC;
+ i_text_length += SetupText( p_filter,
+ &psz_text[i_text_length],
+ &pp_styles[i_text_length],
+ pi_k_dates ? &pi_k_dates[i_text_length] : NULL,
+ "\n",
+ GetStyleFromFontStack( p_sys,
+ &p_fonts,
+ i_style_flags ),
+ i_k_date );
}
- *pi_pen_x = i_pen_x_start;
-
- p_line->i_width = line.xMax;
- p_line->i_height = __MAX( p_line->i_height,
- p_face->size->metrics.height >> 6 );
- p_line->pp_glyphs[ i ] = NULL;
+ else if( !strcasecmp( "k", node ) )
+ {
+ /* Karaoke tags */
+ const char *name, *value;
+ while( (name = xml_ReaderNextAttr( p_xml_reader, &value )) != NULL )
+ {
+ if( !strcasecmp( "t", name ) && value )
+ i_k_date += atoi( value );
+ }
+ }
+ break;
- p_result->x = __MAX( p_result->x, line.xMax );
- p_result->y = __MAX( p_result->y, __MAX( p_line->i_height,
- i_yMax - i_yMin ) );
- return VLC_SUCCESS;
- }
- else
+ case XML_READER_TEXT:
{
- *psz_unicode = '\n';
- }
- psz_unicode = psz_unicode_start;
- *pi_pen_x = i_pen_x_start;
- i_previous = 0;
-
- line.yMax = i_yMax;
- line.yMin = i_yMin;
+ char *psz_node = strdup( node );
+ if( unlikely(!psz_node) )
+ break;
- continue;
+ HandleWhiteSpace( psz_node );
+ resolve_xml_special_chars( psz_node );
+
+ i_text_length += SetupText( p_filter,
+ &psz_text[i_text_length],
+ &pp_styles[i_text_length],
+ pi_k_dates ? &pi_k_dates[i_text_length] : NULL,
+ psz_node,
+ GetStyleFromFontStack( p_sys,
+ &p_fonts,
+ i_style_flags ),
+ i_k_date );
+ free( psz_node );
+ break;
+ }
}
- line.yMax = __MAX( line.yMax, glyph_size.yMax );
- line.yMin = __MIN( line.yMin, glyph_size.yMin );
-
- i_previous = i_glyph_index;
- *pi_pen_x += p_face->glyph->advance.x >> 6;
- i++;
}
- p_line->i_width = line.xMax;
- p_line->i_height = __MAX( p_line->i_height,
- p_face->size->metrics.height >> 6 );
- p_line->pp_glyphs[ i ] = NULL;
- p_result->x = __MAX( p_result->x, line.xMax );
- p_result->y = __MAX( p_result->y, __MAX( p_line->i_height,
- line.yMax - line.yMin ) );
+ *pi_len = i_text_length;
- *pi_start = i;
-
- /* Get rid of any text processed - if necessary repositioning
- * at the start of a new line of text
- */
- if( !*psz_unicode )
- {
- *psz_unicode_start = '\0';
- }
- else if( psz_unicode > psz_unicode_start )
- {
- for( i=0; psz_unicode[ i ]; i++ )
- psz_unicode_start[ i ] = psz_unicode[ i ];
- psz_unicode_start[ i ] = '\0';
- }
+ while( VLC_SUCCESS == PopFont( &p_fonts ) );
return VLC_SUCCESS;
}
-static void SetupLine( filter_t *p_filter, const char *psz_text_in,
- uint32_t **psz_text_out, uint32_t *pi_runs,
- uint32_t **ppi_run_lengths, ft_style_t ***ppp_styles,
- ft_style_t *p_style )
+static void FreeLine( line_desc_t *p_line )
{
- size_t i_string_length;
+ for( int i = 0; i < p_line->i_character_count; i++ )
+ FT_Done_Glyph( (FT_Glyph)p_line->p_character[i].p_glyph );
- IconvText( p_filter, psz_text_in, &i_string_length, psz_text_out );
- *psz_text_out += i_string_length;
+ free( p_line->p_character );
+ free( p_line );
+}
- if( ppp_styles && ppi_run_lengths )
+static void FreeLines( line_desc_t *p_lines )
+{
+ for( line_desc_t *p_line = p_lines; p_line != NULL; )
{
- (*pi_runs)++;
-
- /* XXX this logic looks somewhat broken */
-
- if( *ppp_styles )
- {
- *ppp_styles = realloc_or_free( *ppp_styles,
- *pi_runs * sizeof( ft_style_t * ) );
- }
- else if( *pi_runs == 1 )
- {
- *ppp_styles = malloc( *pi_runs * sizeof( ft_style_t * ) );
- }
+ line_desc_t *p_next = p_line->p_next;
+ FreeLine( p_line );
+ p_line = p_next;
+ }
+}
- /* We have just malloc'ed this memory successfully -
- * *pi_runs HAS to be within the memory area of *ppp_styles */
- if( *ppp_styles )
- {
- (*ppp_styles)[ *pi_runs - 1 ] = p_style;
- p_style = NULL;
- }
+static line_desc_t *NewLine( int i_count )
+{
+ line_desc_t *p_line = malloc( sizeof(*p_line) );
- /* XXX more iffy logic */
+ if( !p_line )
+ return NULL;
- if( *ppi_run_lengths )
- {
- *ppi_run_lengths = realloc_or_free( *ppi_run_lengths,
- *pi_runs * sizeof( uint32_t ) );
- }
- else if( *pi_runs == 1 )
- {
- *ppi_run_lengths = (uint32_t *)
- malloc( *pi_runs * sizeof( uint32_t ) );
- }
+ p_line->p_next = NULL;
+ p_line->i_width = 0;
+ p_line->i_base_line = 0;
+ p_line->i_character_count = 0;
- /* same remarks here */
- if( *ppi_run_lengths )
- {
- (*ppi_run_lengths)[ *pi_runs - 1 ] = i_string_length;
- }
+ p_line->p_character = calloc( i_count, sizeof(*p_line->p_character) );
+ if( !p_line->p_character )
+ {
+ free( p_line );
+ return NULL;
}
- /* If we couldn't use the p_style argument due to memory allocation
- * problems above, release it here.
- */
- if( p_style ) DeleteStyle( p_style );
+ return p_line;
}
-static int CheckForEmbeddedFont( filter_sys_t *p_sys, FT_Face *pp_face, ft_style_t *p_style )
+static FT_Face LoadEmbeddedFace( filter_sys_t *p_sys, const text_style_t *p_style )
{
for( int k = 0; k < p_sys->i_font_attachments; k++ )
{
{
if( p_face )
{
- bool match = !strcasecmp( p_face->family_name,
- p_style->psz_fontname );
-
- if( p_face->style_flags & FT_STYLE_FLAG_BOLD )
- match = match && p_style->b_bold;
- else
- match = match && !p_style->b_bold;
-
- if( p_face->style_flags & FT_STYLE_FLAG_ITALIC )
- match = match && p_style->b_italic;
- else
- match = match && !p_style->b_italic;
-
- if( match )
- {
- *pp_face = p_face;
- return VLC_SUCCESS;
- }
+ int i_style_received = ((p_face->style_flags & FT_STYLE_FLAG_BOLD) ? STYLE_BOLD : 0) |
+ ((p_face->style_flags & FT_STYLE_FLAG_ITALIC ) ? STYLE_ITALIC : 0);
+ if( !strcasecmp( p_face->family_name, p_style->psz_fontname ) &&
+ (p_style->i_style_flags & (STYLE_BOLD | STYLE_BOLD)) == i_style_received )
+ return p_face;
FT_Done_Face( p_face );
}
i_font_idx++;
}
}
- return VLC_EGENERIC;
+ return NULL;
}
-static int ProcessLines( filter_t *p_filter,
- uint32_t *psz_text,
- int i_len,
+static FT_Face LoadFace( filter_t *p_filter,
+ const text_style_t *p_style )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
- uint32_t i_runs,
- uint32_t *pi_run_lengths,
- ft_style_t **pp_styles,
- line_desc_t **pp_lines,
+ /* Look for a match amongst our attachments first */
+ FT_Face p_face = LoadEmbeddedFace( p_sys, p_style );
- FT_Vector *p_result,
+ /* Load system wide font otheriwse */
+ if( !p_face )
+ {
+ int i_idx = 0;
+ char *psz_fontfile;
+#ifdef HAVE_FONTCONFIG
+ psz_fontfile = FontConfig_Select( NULL,
+ p_style->psz_fontname,
+ (p_style->i_style_flags & STYLE_BOLD) != 0,
+ (p_style->i_style_flags & STYLE_ITALIC) != 0,
+ -1,
+ &i_idx );
+#elif defined( WIN32 )
+ psz_fontfile = Win32_Select( p_filter,
+ p_style->psz_fontname,
+ (p_style->i_style_flags & STYLE_BOLD) != 0,
+ (p_style->i_style_flags & STYLE_ITALIC) != 0,
+ -1,
+ &i_idx );
+#else
+ psz_fontfile = NULL;
+#endif
+ if( !psz_fontfile )
+ return NULL;
- bool b_karaoke,
- uint32_t i_k_runs,
- uint32_t *pi_k_run_lengths,
- uint32_t *pi_k_durations )
-{
- filter_sys_t *p_sys = p_filter->p_sys;
- ft_style_t **pp_char_styles;
- int *p_new_positions = NULL;
- int8_t *p_levels = NULL;
- uint8_t *pi_karaoke_bar = NULL;
- uint32_t i, j, k;
- int i_prev;
-
- /* Assign each character in the text string its style explicitly, so that
- * after the characters have been shuffled around by Fribidi, we can re-apply
- * the styles, and to simplify the calculation of runs within a line.
- */
- pp_char_styles = (ft_style_t **) malloc( i_len * sizeof( ft_style_t * ));
- if( !pp_char_styles )
- return VLC_ENOMEM;
+ if( *psz_fontfile == '\0' )
+ {
+ msg_Warn( p_filter,
+ "We were not able to find a matching font: \"%s\" (%s %s),"
+ " so using default font",
+ p_style->psz_fontname,
+ (p_style->i_style_flags & STYLE_BOLD) ? "Bold" : "",
+ (p_style->i_style_flags & STYLE_ITALIC) ? "Italic" : "" );
+ p_face = NULL;
+ }
+ else
+ {
+ if( FT_New_Face( p_sys->p_library, psz_fontfile, i_idx, &p_face ) )
+ p_face = NULL;
+ }
+ free( psz_fontfile );
+ }
+ if( !p_face )
+ return NULL;
- if( b_karaoke )
+ if( FT_Select_Charmap( p_face, ft_encoding_unicode ) )
{
- pi_karaoke_bar = (uint8_t *) malloc( i_len * sizeof( uint8_t ));
- /* If we can't allocate sufficient memory for karaoke, continue anyway -
- * we just won't be able to display the progress bar; at least we'll
- * get the text.
+ /* We've loaded a font face which is unhelpful for actually
+ * rendering text - fallback to the default one.
*/
+ FT_Done_Face( p_face );
+ return NULL;
+ }
+ return p_face;
+}
+
+static bool FaceStyleEquals( const text_style_t *p_style1,
+ const text_style_t *p_style2 )
+{
+ if( !p_style1 || !p_style2 )
+ return false;
+ if( p_style1 == p_style2 )
+ return true;
+
+ const int i_style_mask = STYLE_BOLD | STYLE_ITALIC;
+ return (p_style1->i_style_flags & i_style_mask) == (p_style2->i_style_flags & i_style_mask) &&
+ !strcmp( p_style1->psz_fontname, p_style2->psz_fontname );
+}
+
+static int GetGlyph( filter_t *p_filter,
+ FT_Glyph *pp_glyph,
+ FT_BBox *p_bbox,
+
+ FT_Face p_face,
+ int i_glyph_index,
+ int i_style_flags,
+ FT_Vector *p_pen )
+{
+ if( FT_Load_Glyph( p_face, i_glyph_index, FT_LOAD_NO_BITMAP | FT_LOAD_DEFAULT ) &&
+ FT_Load_Glyph( p_face, i_glyph_index, FT_LOAD_DEFAULT ) )
+ {
+ msg_Err( p_filter, "unable to render text FT_Load_Glyph failed" );
+ return VLC_EGENERIC;
+ }
+
+ /* Do synthetic styling now that Freetype supports it;
+ * ie. if the font we have loaded is NOT already in the
+ * style that the tags want, then switch it on; if they
+ * are then don't. */
+ if ((i_style_flags & STYLE_BOLD) && !(p_face->style_flags & FT_STYLE_FLAG_BOLD))
+ FT_GlyphSlot_Embolden( p_face->glyph );
+ if ((i_style_flags & STYLE_ITALIC) && !(p_face->style_flags & FT_STYLE_FLAG_ITALIC))
+ FT_GlyphSlot_Oblique( p_face->glyph );
+
+ FT_Glyph glyph;
+ if( FT_Get_Glyph( p_face->glyph, &glyph ) )
+ {
+ msg_Err( p_filter, "unable to render text FT_Get_Glyph failed" );
+ return VLC_EGENERIC;
+ }
+
+ if( FT_Glyph_To_Bitmap( &glyph, FT_RENDER_MODE_NORMAL, p_pen, 1) )
+ {
+ FT_Done_Glyph( glyph );
+ return VLC_EGENERIC;
}
- i = 0;
- for( j = 0; j < i_runs; j++ )
- for( k = 0; k < pi_run_lengths[ j ]; k++ )
- pp_char_styles[ i++ ] = pp_styles[ j ];
+ FT_BBox bbox;
+ FT_Glyph_Get_CBox( glyph, ft_glyph_bbox_pixels, &bbox );
+
+ *pp_glyph = glyph;
+ *p_bbox = bbox;
+ return VLC_SUCCESS;
+}
+
+static void BBoxEnlarge( FT_BBox *p_max, const FT_BBox *p )
+{
+ p_max->xMin = __MIN(p_max->xMin, p->xMin);
+ p_max->yMin = __MIN(p_max->yMin, p->yMin);
+ p_max->xMax = __MAX(p_max->xMax, p->xMax);
+ p_max->yMax = __MAX(p_max->yMax, p->yMax);
+}
+
+static int ProcessLines( filter_t *p_filter,
+ line_desc_t **pp_lines,
+ FT_BBox *p_bbox,
+ int *pi_max_face_height,
+
+ uint32_t *psz_text,
+ text_style_t **pp_styles,
+ uint32_t *pi_k_dates,
+ int i_len )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
+ uint32_t *p_fribidi_string = NULL;
+ text_style_t **pp_fribidi_styles = NULL;
+ int *p_new_positions = NULL;
#if defined(HAVE_FRIBIDI)
{
- ft_style_t **pp_char_styles_new;
- int *p_old_positions;
- uint32_t *p_fribidi_string;
+ int *p_old_positions;
int start_pos, pos = 0;
- pp_char_styles_new = (ft_style_t **)
- malloc( i_len * sizeof( ft_style_t * ));
+ pp_fribidi_styles = calloc( i_len, sizeof(*pp_fribidi_styles) );
- p_fribidi_string = (uint32_t *)
- malloc( (i_len + 1) * sizeof(uint32_t) );
- p_old_positions = (int *)
- malloc( (i_len + 1) * sizeof( int ) );
- p_new_positions = (int *)
- malloc( (i_len + 1) * sizeof( int ) );
- p_levels = (int8_t *)
- malloc( (i_len + 1) * sizeof( int8_t ) );
+ p_fribidi_string = malloc( (i_len + 1) * sizeof(*p_fribidi_string) );
+ p_old_positions = malloc( (i_len + 1) * sizeof(*p_old_positions) );
+ p_new_positions = malloc( (i_len + 1) * sizeof(*p_new_positions) );
- if( ! pp_char_styles_new ||
+ if( ! pp_fribidi_styles ||
! p_fribidi_string ||
! p_old_positions ||
- ! p_new_positions ||
- ! p_levels )
+ ! p_new_positions )
{
- free( p_levels );
free( p_old_positions );
free( p_new_positions );
free( p_fribidi_string );
- free( pp_char_styles_new );
- free( pi_karaoke_bar );
-
- free( pp_char_styles );
+ free( pp_fribidi_styles );
return VLC_ENOMEM;
}
if (psz_text[pos] != '\n')
break;
p_fribidi_string[pos] = psz_text[pos];
- pp_char_styles_new[pos] = pp_char_styles[pos];
+ pp_fribidi_styles[pos] = pp_styles[pos];
p_new_positions[pos] = pos;
- p_levels[pos] = 0;
++pos;
}
start_pos = pos;
(FriBidiChar*)p_fribidi_string + start_pos,
p_new_positions + start_pos,
p_old_positions,
- p_levels + start_pos );
- for( j = (uint32_t) start_pos; j < (uint32_t) pos; j++ )
+ NULL );
+ for( int j = start_pos; j < pos; j++ )
{
- pp_char_styles_new[ j ] = pp_char_styles[ start_pos +
- p_old_positions[ j - start_pos ] ];
+ pp_fribidi_styles[ j ] = pp_styles[ start_pos + p_old_positions[j - start_pos] ];
p_new_positions[ j ] += start_pos;
}
}
}
- free( p_old_positions );
- free( pp_char_styles );
- pp_char_styles = pp_char_styles_new;
- psz_text = p_fribidi_string;
p_fribidi_string[ i_len ] = 0;
- }
-#endif
- /* Work out the karaoke */
- if( pi_karaoke_bar )
- {
- int64_t i_last_duration = 0;
- int64_t i_duration = 0;
- int64_t i_start_pos = 0;
- int64_t i_elapsed = var_GetTime( p_filter, "spu-elapsed" ) / 1000;
-
- for( k = 0; k< i_k_runs; k++ )
- {
- double fraction = 0.0;
-
- i_duration += pi_k_durations[ k ];
-
- if( i_duration < i_elapsed )
- {
- /* Completely finished this run-length -
- * let it render normally */
-
- fraction = 1.0;
- }
- else if( i_elapsed < i_last_duration )
- {
- /* Haven't got up to this segment yet -
- * render it completely in karaoke BG mode */
-
- fraction = 0.0;
- }
- else
- {
- /* Partway through this run */
-
- fraction = (double)(i_elapsed - i_last_duration) /
- (double)pi_k_durations[ k ];
- }
- for( i = 0; i < pi_k_run_lengths[ k ]; i++ )
- {
- double shade = pi_k_run_lengths[ k ] * fraction;
-
- if( p_new_positions )
- j = p_new_positions[ i_start_pos + i ];
- else
- j = i_start_pos + i;
-
- if( i < (uint32_t)shade )
- pi_karaoke_bar[ j ] = 0xff;
- else if( (double)i > shade )
- pi_karaoke_bar[ j ] = 0x00;
- else
- {
- shade -= (int)shade;
- pi_karaoke_bar[ j ] = ((int)(shade * 128.0) & 0x7f) |
- ((p_levels ? (p_levels[ j ] % 2) : 0 ) << 7);
- }
- }
-
- i_last_duration = i_duration;
- i_start_pos += pi_k_run_lengths[ k ];
- }
- }
- free( p_levels );
- free( p_new_positions );
-
- FT_Vector tmp_result;
-
- line_desc_t *p_line = NULL;
- line_desc_t *p_prev = NULL;
-
- int i_pen_x = 0;
- int i_pen_y = 0;
- int i_posn = 0;
-
- p_result->x = p_result->y = 0;
- tmp_result.x = tmp_result.y = 0;
-
- i_prev = 0;
- for( k = 0; k <= (uint32_t) i_len; k++ )
- {
- if( ( k == (uint32_t) i_len ) ||
- ( ( k > 0 ) &&
- !StyleEquals( pp_char_styles[ k ], pp_char_styles[ k - 1] ) ) )
- {
- ft_style_t *p_style = pp_char_styles[ k - 1 ];
-
- /* End of the current style run */
- FT_Face p_face = NULL;
- int i_idx = 0;
-
- /* Look for a match amongst our attachments first */
- CheckForEmbeddedFont( p_sys, &p_face, p_style );
-
- if( ! p_face )
- {
- char *psz_fontfile = NULL;
-
-#ifdef HAVE_FONTCONFIG
- psz_fontfile = FontConfig_Select( NULL,
- p_style->psz_fontname,
- p_style->b_bold,
- p_style->b_italic,
- -1,
- &i_idx );
-#elif defined( WIN32 )
- psz_fontfile = Win32_Select( p_filter,
- p_style->psz_fontname,
- p_style->b_bold,
- p_style->b_italic,
- -1,
- &i_idx );
-#else
-# error FIXME
-#endif
- if( psz_fontfile && ! *psz_fontfile )
- {
- msg_Warn( p_filter, "We were not able to find a matching font: \"%s\" %s,"
- " so using default font", p_style->psz_fontname,
- ((p_style->b_bold && p_style->b_italic) ? "(Bold,Italic)" :
- (p_style->b_bold ? "(Bold)" :
- (p_style->b_italic ? "(Italic)" : ""))) );
- free( psz_fontfile );
- psz_fontfile = NULL;
- }
-
- if( psz_fontfile )
- {
- if( FT_New_Face( p_sys->p_library,
- psz_fontfile, i_idx, &p_face ) )
- {
- free( psz_fontfile );
- free( pp_char_styles );
-#if defined(HAVE_FRIBIDI)
- free( psz_text );
+ free( p_old_positions );
+
+ pp_styles = pp_fribidi_styles;
+ psz_text = p_fribidi_string;
+ }
#endif
- free( pi_karaoke_bar );
- return VLC_EGENERIC;
- }
- free( psz_fontfile );
- }
- }
- if( p_face &&
- FT_Select_Charmap( p_face, ft_encoding_unicode ) )
+ /* Work out the karaoke */
+ uint8_t *pi_karaoke_bar = NULL;
+ if( pi_k_dates )
+ {
+ pi_karaoke_bar = malloc( i_len * sizeof(*pi_karaoke_bar));
+ if( pi_karaoke_bar )
+ {
+ int64_t i_elapsed = var_GetTime( p_filter, "spu-elapsed" ) / 1000;
+ for( int i = 0; i < i_len; i++ )
{
- /* We've loaded a font face which is unhelpful for actually
- * rendering text - fallback to the default one.
- */
- FT_Done_Face( p_face );
- p_face = NULL;
+ unsigned i_bar = p_new_positions ? p_new_positions[i] : i;
+ pi_karaoke_bar[i_bar] = pi_k_dates[i] >= i_elapsed;
}
+ }
+ }
+ free( p_new_positions );
- if( FT_Select_Charmap( p_face ? p_face : p_sys->p_face,
- ft_encoding_unicode ) ||
- FT_Set_Pixel_Sizes( p_face ? p_face : p_sys->p_face, 0,
- p_style->i_font_size ) )
+ *pi_max_face_height = 0;
+ *pp_lines = NULL;
+ line_desc_t **pp_line_next = pp_lines;
+
+ FT_BBox bbox = {
+ .xMin = INT_MAX,
+ .yMin = INT_MAX,
+ .xMax = INT_MIN,
+ .yMax = INT_MIN,
+ };
+ int i_face_height_previous = 0;
+ int i_base_line = 0;
+ const text_style_t *p_previous_style = NULL;
+ FT_Face p_face = NULL;
+ for( int i_start = 0; i_start < i_len; )
+ {
+ /* Compute the length of the current text line */
+ int i_length = 0;
+ while( i_start + i_length < i_len && psz_text[i_start + i_length] != '\n' )
+ i_length++;
+
+ /* Render the text line (or the begining if too long) into 0 or 1 glyph line */
+ line_desc_t *p_line = i_length > 0 ? NewLine( i_length ) : NULL;
+ int i_index = i_start;
+ FT_Vector pen = {
+ .x = 0,
+ .y = 0,
+ };
+ int i_face_height = 0;
+ FT_BBox line_bbox = {
+ .xMin = INT_MAX,
+ .yMin = INT_MAX,
+ .xMax = INT_MIN,
+ .yMax = INT_MIN,
+ };
+ int i_ul_offset = 0;
+ int i_ul_thickness = 0;
+ typedef struct {
+ int i_index;
+ FT_Vector pen;
+ FT_BBox line_bbox;
+ int i_face_height;
+ int i_ul_offset;
+ int i_ul_thickness;
+ } break_point_t;
+ break_point_t break_point;
+ break_point_t break_point_fallback;
+
+#define SAVE_BP(dst) do { \
+ dst.i_index = i_index; \
+ dst.pen = pen; \
+ dst.line_bbox = line_bbox; \
+ dst.i_face_height = i_face_height; \
+ dst.i_ul_offset = i_ul_offset; \
+ dst.i_ul_thickness = i_ul_thickness; \
+ } while(0)
+
+ SAVE_BP( break_point );
+ SAVE_BP( break_point_fallback );
+
+ while( i_index < i_start + i_length )
+ {
+ /* Split by common FT_Face + Size */
+ const text_style_t *p_current_style = pp_styles[i_index];
+ int i_part_length = 0;
+ while( i_index + i_part_length < i_start + i_length )
{
- if( p_face ) FT_Done_Face( p_face );
- free( pp_char_styles );
-#if defined(HAVE_FRIBIDI)
- free( psz_text );
-#endif
- free( pi_karaoke_bar );
- return VLC_EGENERIC;
+ const text_style_t *p_style = pp_styles[i_index + i_part_length];
+ if( !FaceStyleEquals( p_style, p_current_style ) ||
+ p_style->i_font_size != p_current_style->i_font_size )
+ break;
+ i_part_length++;
}
- p_sys->i_use_kerning =
- FT_HAS_KERNING( ( p_face ? p_face : p_sys->p_face ) );
+ /* (Re)load/reconfigure the face if needed */
+ if( !FaceStyleEquals( p_current_style, p_previous_style ) )
+ {
+ if( p_face )
+ FT_Done_Face( p_face );
+ p_previous_style = NULL;
- uint32_t *psz_unicode = (uint32_t *)
- malloc( (k - i_prev + 1) * sizeof( uint32_t ));
- if( !psz_unicode )
+ p_face = LoadFace( p_filter, p_current_style );
+ }
+ FT_Face p_current_face = p_face ? p_face : p_sys->p_face;
+ if( !p_previous_style || p_previous_style->i_font_size != p_current_style->i_font_size )
{
- if( p_face ) FT_Done_Face( p_face );
- free( pp_char_styles );
- free( psz_unicode );
-#if defined(HAVE_FRIBIDI)
- free( psz_text );
-#endif
- free( pi_karaoke_bar );
- return VLC_ENOMEM;
+ if( FT_Set_Pixel_Sizes( p_current_face, 0, p_current_style->i_font_size ) )
+ msg_Err( p_filter, "Failed to set font size to %d", p_current_style->i_font_size );
}
- memcpy( psz_unicode, psz_text + i_prev,
- sizeof( uint32_t ) * ( k - i_prev ) );
- psz_unicode[ k - i_prev ] = 0;
- while( *psz_unicode )
+ p_previous_style = p_current_style;
+
+ i_face_height = __MAX(i_face_height, FT_CEIL(FT_MulFix(p_current_face->height,
+ p_current_face->size->metrics.y_scale)));
+
+ /* Render the part */
+ bool b_break_line = false;
+ int i_glyph_last = 0;
+ while( i_part_length > 0 )
{
- if( !p_line )
+ const text_style_t *p_glyph_style = pp_styles[i_index];
+ uint32_t character = psz_text[i_index];
+ int i_glyph_index = FT_Get_Char_Index( p_current_face, character );
+
+ /* Get kerning vector */
+ FT_Vector kerning = { .x = 0, .y = 0 };
+ if( FT_HAS_KERNING( p_current_face ) && i_glyph_last != 0 && i_glyph_index != 0 )
+ FT_Get_Kerning( p_current_face, i_glyph_last, i_glyph_index, ft_kerning_default, &kerning );
+
+ /* Get the glyph bitmap and its bounding box and all the associated properties */
+ FT_Vector pen_new = {
+ .x = pen.x + kerning.x,
+ .y = pen.y + kerning.y,
+ };
+ FT_Glyph glyph;
+ FT_BBox glyph_bbox;
+ if( GetGlyph( p_filter, &glyph, &glyph_bbox,
+ p_current_face, i_glyph_index, p_glyph_style->i_style_flags, &pen_new ) )
+ goto next;
+
+ FT_BitmapGlyph glyph_bmp = (FT_BitmapGlyph)glyph;
+ if( glyph_bbox.xMin >= glyph_bbox.xMax )
{
- if( !(p_line = NewLine( i_len - i_prev)) )
- {
- if( p_face ) FT_Done_Face( p_face );
- free( pp_char_styles );
- free( psz_unicode );
-#if defined(HAVE_FRIBIDI)
- free( psz_text );
-#endif
- free( pi_karaoke_bar );
- return VLC_ENOMEM;
- }
- /* New Color mode only works in YUVA rendering mode --
- * (RGB mode has palette constraints on it). We therefore
- * need to populate the legacy colour fields also.
- */
- p_line->b_new_color_mode = true;
- p_line->i_alpha = ( p_style->i_font_color & 0xff000000 ) >> 24;
- p_line->i_red = ( p_style->i_font_color & 0x00ff0000 ) >> 16;
- p_line->i_green = ( p_style->i_font_color & 0x0000ff00 ) >> 8;
- p_line->i_blue = ( p_style->i_font_color & 0x000000ff );
- p_line->p_next = NULL;
- i_pen_x = 0;
- i_pen_y += tmp_result.y;
- tmp_result.x = 0;
- tmp_result.y = 0;
- i_posn = 0;
- if( p_prev ) p_prev->p_next = p_line;
- else *pp_lines = p_line;
+ glyph_bbox.xMin = FT_CEIL(pen_new.x);
+ glyph_bbox.xMax = FT_CEIL(pen_new.x + p_current_face->glyph->advance.x);
+ glyph_bmp->left = glyph_bbox.xMin;
}
-
- if( RenderTag( p_filter, p_face ? p_face : p_sys->p_face,
- p_style->i_font_color, p_style->b_underline,
- p_style->b_through,
- p_style->b_bold,
- p_style->b_italic,
- p_style->i_karaoke_bg_color,
- p_line, psz_unicode, &i_pen_x, i_pen_y, &i_posn,
- &tmp_result ) != VLC_SUCCESS )
+ if( glyph_bbox.yMin >= glyph_bbox.yMax )
{
- if( p_face ) FT_Done_Face( p_face );
- free( pp_char_styles );
- free( psz_unicode );
-#if defined(HAVE_FRIBIDI)
- free( psz_text );
-#endif
- free( pi_karaoke_bar );
- return VLC_EGENERIC;
+ glyph_bbox.yMax = FT_CEIL(pen_new.y);
+ glyph_bbox.yMin = FT_CEIL(pen_new.y + p_current_face->glyph->advance.y);
+ glyph_bmp->top = glyph_bbox.yMax;
}
- if( *psz_unicode )
+ bool b_karaoke = pi_karaoke_bar && pi_karaoke_bar[i_index] != 0;
+ uint32_t i_color = b_karaoke ? (p_glyph_style->i_karaoke_background_color |
+ (p_glyph_style->i_karaoke_background_alpha << 24))
+ : (p_glyph_style->i_font_color |
+ (p_glyph_style->i_font_alpha << 24));
+ int i_line_offset = 0;
+ int i_line_thickness = 0;
+ if( p_glyph_style->i_style_flags & (STYLE_UNDERLINE | STYLE_STRIKEOUT) )
{
- p_result->x = __MAX( p_result->x, tmp_result.x );
- p_result->y += tmp_result.y;
+ i_line_offset = abs( FT_FLOOR(FT_MulFix(p_current_face->underline_position,
+ p_current_face->size->metrics.y_scale)) );
- p_prev = p_line;
- p_line = NULL;
+ i_line_thickness = abs( FT_CEIL(FT_MulFix(p_current_face->underline_thickness,
+ p_current_face->size->metrics.y_scale)) );
- if( *psz_unicode == '\n')
+ if( p_glyph_style->i_style_flags & STYLE_STRIKEOUT )
+ {
+ /* Move the baseline to make it strikethrough instead of
+ * underline. That means that strikethrough takes precedence
+ */
+ i_line_offset -= abs( FT_FLOOR(FT_MulFix(p_current_face->descender*2,
+ p_current_face->size->metrics.y_scale)) );
+ }
+ else if( i_line_thickness > 0 )
{
- uint32_t *c_ptr;
+ glyph_bbox.yMin = __MIN( glyph_bbox.yMin, - i_line_offset - i_line_thickness );
+
+ /* The real underline thickness and position are
+ * updated once the whole line has been parsed */
+ i_ul_offset = __MAX( i_ul_offset, i_line_offset );
+ i_ul_thickness = __MAX( i_ul_thickness, i_line_thickness );
+ i_line_thickness = -1;
+ }
+ }
+ FT_BBox line_bbox_new = line_bbox;
+ BBoxEnlarge( &line_bbox_new, &glyph_bbox );
- for( c_ptr = psz_unicode; *c_ptr; c_ptr++ )
- {
- *c_ptr = *(c_ptr+1);
- }
+ b_break_line = i_index > i_start &&
+ line_bbox_new.xMax - line_bbox_new.xMin >= p_filter->fmt_out.video.i_visible_width;
+ if( b_break_line )
+ {
+ FT_Done_Glyph( glyph );
+
+ break_point_t *p_bp = NULL;
+ if( break_point.i_index > i_start )
+ p_bp = &break_point;
+ else if( break_point_fallback.i_index > i_start )
+ p_bp = &break_point_fallback;
+
+ if( p_bp )
+ {
+ msg_Dbg( p_filter, "Breaking line");
+ for( int i = p_bp->i_index; i < i_index; i++ )
+ FT_Done_Glyph( (FT_Glyph)p_line->p_character[i - i_start].p_glyph );
+ p_line->i_character_count = p_bp->i_index - i_start;
+
+ i_index = p_bp->i_index;
+ pen = p_bp->pen;
+ line_bbox = p_bp->line_bbox;
+ i_face_height = p_bp->i_face_height;
+ i_ul_offset = p_bp->i_ul_offset;
+ i_ul_thickness = p_bp->i_ul_thickness;
}
+ else
+ {
+ msg_Err( p_filter, "Breaking unbreakable line");
+ }
+ break;
}
+
+ assert( p_line->i_character_count == i_index - i_start);
+ p_line->p_character[p_line->i_character_count++] = (line_character_t){
+ .p_glyph = (FT_BitmapGlyph)glyph,
+ .i_color = i_color,
+ .i_line_offset = i_line_offset,
+ .i_line_thickness = i_line_thickness,
+ };
+
+ pen.x = pen_new.x + p_current_face->glyph->advance.x;
+ pen.y = pen_new.y + p_current_face->glyph->advance.y;
+ line_bbox = line_bbox_new;
+ next:
+ i_glyph_last = i_glyph_index;
+ i_part_length--;
+ i_index++;
+
+ if( character == ' ' || character == '\t' )
+ SAVE_BP( break_point );
+ else if( character == 160 )
+ SAVE_BP( break_point_fallback );
}
- free( psz_unicode );
- if( p_face ) FT_Done_Face( p_face );
- i_prev = k;
+ if( b_break_line )
+ break;
}
- }
- free( pp_char_styles );
-#if defined(HAVE_FRIBIDI)
- free( psz_text );
-#endif
- if( p_line )
- {
- p_result->x = __MAX( p_result->x, tmp_result.x );
- p_result->y += tmp_result.y;
- }
+#undef SAVE_BP
+ /* Update our baseline */
+ if( i_face_height_previous > 0 )
+ i_base_line += __MAX(i_face_height, i_face_height_previous);
+ i_face_height_previous = i_face_height;
+
+ /* Update the line bbox with the actual base line */
+ if (line_bbox.yMax > line_bbox.yMin) {
+ line_bbox.yMin -= i_base_line;
+ line_bbox.yMax -= i_base_line;
+ }
+ BBoxEnlarge( &bbox, &line_bbox );
- if( pi_karaoke_bar )
- {
- int i = 0;
- for( p_line = *pp_lines; p_line; p_line=p_line->p_next )
+ /* Terminate and append the line */
+ if( p_line )
{
- for( k = 0; p_line->pp_glyphs[ k ]; k++, i++ )
+ p_line->i_width = __MAX(line_bbox.xMax - line_bbox.xMin, 0);
+ p_line->i_base_line = i_base_line;
+ if( i_ul_thickness > 0 )
{
- if( (pi_karaoke_bar[ i ] & 0x7f) == 0x7f)
- {
- /* do nothing */
- }
- else if( (pi_karaoke_bar[ i ] & 0x7f) == 0x00)
- {
- /* 100% BG colour will render faster if we
- * instead make it 100% FG colour, so leave
- * the ratio alone and copy the value across
- */
- p_line->p_fg_rgb[ k ] = p_line->p_bg_rgb[ k ];
- }
- else
+ for( int i = 0; i < p_line->i_character_count; i++ )
{
- if( pi_karaoke_bar[ i ] & 0x80 )
+ line_character_t *ch = &p_line->p_character[i];
+ if( ch->i_line_thickness < 0 )
{
- /* Swap Left and Right sides over for Right aligned
- * language text (eg. Arabic, Hebrew)
- */
- uint32_t i_tmp = p_line->p_fg_rgb[ k ];
-
- p_line->p_fg_rgb[ k ] = p_line->p_bg_rgb[ k ];
- p_line->p_bg_rgb[ k ] = i_tmp;
+ ch->i_line_offset = i_ul_offset;
+ ch->i_line_thickness = i_ul_thickness;
}
- p_line->p_fg_bg_ratio[ k ] = (pi_karaoke_bar[ i ] & 0x7f);
}
}
- /* Jump over the '\n' at the line-end */
- i++;
+
+ *pp_line_next = p_line;
+ pp_line_next = &p_line->p_next;
+ }
+
+ *pi_max_face_height = __MAX( *pi_max_face_height, i_face_height );
+
+ /* Skip what we have rendered and the line delimitor if present */
+ i_start = i_index;
+ if( i_start < i_len && psz_text[i_start] == '\n' )
+ i_start++;
+
+ if( bbox.yMax - bbox.yMin >= p_filter->fmt_out.video.i_visible_height )
+ {
+ msg_Err( p_filter, "Truncated too high subtitle" );
+ break;
}
- free( pi_karaoke_bar );
}
+ if( p_face )
+ FT_Done_Face( p_face );
+
+ free( pp_fribidi_styles );
+ free( p_fribidi_string );
+ free( pi_karaoke_bar );
+ *p_bbox = bbox;
return VLC_SUCCESS;
}
-static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out,
- subpicture_region_t *p_region_in )
+/**
+ * This function renders a text subpicture region into another one.
+ * It also calculates the size needed for this string, and renders the
+ * needed glyphs into memory. It is used as pf_add_string callback in
+ * the vout method by this module
+ */
+static int RenderCommon( filter_t *p_filter, subpicture_region_t *p_region_out,
+ subpicture_region_t *p_region_in, bool b_html )
{
- int rv = VLC_SUCCESS;
- stream_t *p_sub = NULL;
+ filter_sys_t *p_sys = p_filter->p_sys;
+
+ if( !p_region_in )
+ return VLC_EGENERIC;
+ if( b_html && !p_region_in->psz_html )
+ return VLC_EGENERIC;
+ if( !b_html && !p_region_in->psz_text )
+ return VLC_EGENERIC;
+
+ const size_t i_text_max = strlen( b_html ? p_region_in->psz_html
+ : p_region_in->psz_text );
- if( !p_region_in || !p_region_in->psz_html )
+ uint32_t *psz_text = calloc( i_text_max, sizeof( *psz_text ) );
+ text_style_t **pp_styles = calloc( i_text_max, sizeof( *pp_styles ) );
+ if( !psz_text || !pp_styles )
+ {
+ free( psz_text );
+ free( pp_styles );
return VLC_EGENERIC;
+ }
/* Reset the default fontsize in case screen metrics have changed */
p_filter->p_sys->i_font_size = GetFontSize( p_filter );
- p_sub = stream_MemoryNew( VLC_OBJECT(p_filter),
- (uint8_t *) p_region_in->psz_html,
- strlen( p_region_in->psz_html ),
- true );
- if( unlikely(p_sub == NULL) )
- return VLC_SUCCESS;
-
- xml_reader_t *p_xml_reader = p_filter->p_sys->p_xml;
- bool b_karaoke = false;
+ /* */
+ int rv = VLC_SUCCESS;
+ int i_text_length = 0;
+ FT_BBox bbox;
+ int i_max_face_height;
+ line_desc_t *p_lines = NULL;
- if( !p_xml_reader )
- p_xml_reader = xml_ReaderCreate( p_filter, p_sub );
- else
- p_xml_reader = xml_ReaderReset( p_xml_reader, p_sub );
+ uint32_t *pi_k_durations = NULL;
- p_filter->p_sys->p_xml = p_xml_reader;
- if( p_xml_reader )
+#ifdef HAVE_STYLES
+ if( b_html )
{
- /* Look for Root Node */
- const char *node;
+ stream_t *p_sub = stream_MemoryNew( VLC_OBJECT(p_filter),
+ (uint8_t *) p_region_in->psz_html,
+ strlen( p_region_in->psz_html ),
+ true );
+ if( unlikely(p_sub == NULL) )
+ return VLC_SUCCESS;
+
+ xml_reader_t *p_xml_reader = p_filter->p_sys->p_xml;
+ if( !p_xml_reader )
+ p_xml_reader = xml_ReaderCreate( p_filter, p_sub );
+ else
+ p_xml_reader = xml_ReaderReset( p_xml_reader, p_sub );
+ p_filter->p_sys->p_xml = p_xml_reader;
+
+ if( !p_xml_reader )
+ rv = VLC_EGENERIC;
- if( xml_ReaderNextNode( p_xml_reader, &node ) == XML_READER_STARTELEM )
+ if( !rv )
{
- if( !strcasecmp( "karaoke", node ) )
- {
- /* We're going to have to render the text a number
- * of times to show the progress marker on the text.
- */
- var_SetBool( p_filter, "text-rerender", true );
- b_karaoke = true;
- }
- else if( !strcasecmp( "text", node ) )
+ /* Look for Root Node */
+ const char *node;
+
+ if( xml_ReaderNextNode( p_xml_reader, &node ) == XML_READER_STARTELEM )
{
- b_karaoke = false;
+ if( strcasecmp( "karaoke", node ) == 0 )
+ {
+ pi_k_durations = calloc( i_text_max, sizeof( *pi_k_durations ) );
+ }
+ else if( strcasecmp( "text", node ) != 0 )
+ {
+ /* Only text and karaoke tags are supported */
+ msg_Dbg( p_filter, "Unsupported top-level tag <%s> ignored.",
+ node );
+ rv = VLC_EGENERIC;
+ }
}
else
{
- /* Only text and karaoke tags are supported */
- msg_Dbg( p_filter, "Unsupported top-level tag <%s> ignored.",
- node );
+ msg_Err( p_filter, "Malformed HTML subtitle" );
rv = VLC_EGENERIC;
}
}
- else
+ if( !rv )
{
- msg_Err( p_filter, "Malformed HTML subtitle" );
- rv = VLC_EGENERIC;
+ rv = ProcessNodes( p_filter,
+ psz_text, pp_styles, pi_k_durations, &i_text_length,
+ p_xml_reader, p_region_in->p_style );
}
- if( rv != VLC_SUCCESS )
- {
+ if( p_xml_reader )
p_filter->p_sys->p_xml = xml_ReaderReset( p_xml_reader, NULL );
- p_xml_reader = NULL;
- }
- }
-
- if( p_xml_reader )
- {
- uint32_t *psz_text;
- int i_len = 0;
- uint32_t i_runs = 0;
- uint32_t i_k_runs = 0;
- uint32_t *pi_run_lengths = NULL;
- uint32_t *pi_k_run_lengths = NULL;
- uint32_t *pi_k_durations = NULL;
- ft_style_t **pp_styles = NULL;
- FT_Vector result = {0, 0};
- line_desc_t *p_lines = NULL;
-
- psz_text = (uint32_t *)malloc( strlen( p_region_in->psz_html ) *
- sizeof( uint32_t ) );
- if( psz_text )
- {
- rv = ProcessNodes( p_filter, p_xml_reader,
- p_region_in->p_style, psz_text, &i_len,
- &i_runs, &pi_run_lengths, &pp_styles,
- b_karaoke, &i_k_runs, &pi_k_run_lengths,
- &pi_k_durations );
-
- p_region_out->i_x = p_region_in->i_x;
- p_region_out->i_y = p_region_in->i_y;
-
- if(( rv == VLC_SUCCESS ) && ( i_len > 0 ))
- {
- rv = ProcessLines( p_filter, psz_text, i_len, i_runs,
- pi_run_lengths, pp_styles, &p_lines,
- &result, b_karaoke, i_k_runs,
- pi_k_run_lengths, pi_k_durations );
- }
-
- for( uint_fast32_t k=0; k<i_runs; k++)
- DeleteStyle( pp_styles[k] );
- free( pp_styles );
- free( pi_run_lengths );
- free( psz_text );
-
- /* Don't attempt to render text that couldn't be layed out
- * properly. */
- if(( rv == VLC_SUCCESS ) && ( i_len > 0 ))
- {
- if( var_InheritBool( p_filter, "freetype-yuvp" ) )
- Render( p_filter, p_region_out, p_lines,
- result.x, result.y );
- else
- RenderYUVA( p_filter, p_region_out, p_lines,
- result.x, result.y );
- }
- }
- p_filter->p_sys->p_xml = xml_ReaderReset( p_xml_reader, NULL );
- FreeLines( p_lines );
- }
- stream_Delete( p_sub );
- return rv;
-}
-
-#ifdef WIN32
-#define UNICODE
-#define FONT_DIR_NT "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"
-
-static int GetFileFontByName( const char *font_name, char **psz_filename )
-{
- HKEY hKey;
- wchar_t vbuffer[MAX_PATH];
- wchar_t dbuffer[256];
-
- if( RegOpenKeyEx(HKEY_LOCAL_MACHINE, FONT_DIR_NT, 0, KEY_READ, &hKey) != ERROR_SUCCESS )
- return 1;
-
- for( int index = 0;; index++ )
- {
- DWORD vbuflen = MAX_PATH - 1;
- DWORD dbuflen = 255;
-
- if( RegEnumValueW( hKey, index, vbuffer, &vbuflen,
- NULL, NULL, (LPBYTE)dbuffer, &dbuflen) != ERROR_SUCCESS )
- return 2;
-
- char *psz_value = FromWide( vbuffer );
-
- char *s = strchr( psz_value,'(' );
- if( s != NULL && s != psz_value ) s[-1] = '\0';
-
- /* Manage concatenated font names */
- if( strchr( psz_value, '&') ) {
- if( strcasestr( psz_value, font_name ) != NULL )
- break;
- }
- else {
- if( strcasecmp( psz_value, font_name ) == 0 )
- break;
- }
- }
-
- *psz_filename = FromWide( dbuffer );
- return 0;
-}
-
-
-static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *lpelfe, const NEWTEXTMETRICEX *metric,
- DWORD type, LPARAM lParam)
-{
- VLC_UNUSED( metric );
- if( (type & RASTER_FONTTYPE) ) return 1;
- // if( lpelfe->elfScript ) FIXME
-
- return GetFileFontByName( (const char *)lpelfe->elfFullName, (char **)lParam );
-}
-
-static char* Win32_Select( filter_t *p_filter, const char* family,
- bool b_bold, bool b_italic, int i_size, int *i_idx )
-{
- VLC_UNUSED( i_size );
- // msg_Dbg( p_filter, "Here in Win32_Select, asking for %s", family );
-
- /* */
- LOGFONT lf;
- lf.lfCharSet = DEFAULT_CHARSET;
- if( b_italic )
- lf.lfItalic = true;
- if( b_bold )
- lf.lfWeight = FW_BOLD;
- strncpy( (LPSTR)&lf.lfFaceName, family, 32);
-
- /* */
- char *psz_filename = NULL;
- HDC hDC = GetDC( NULL );
- EnumFontFamiliesEx(hDC, &lf, (FONTENUMPROC)&EnumFontCallback, (LPARAM)&psz_filename, 0);
- ReleaseDC(NULL, hDC);
-
- if( psz_filename == NULL )
- return NULL;
-
- /* FIXME: increase i_idx, when concatenated strings */
- i_idx = 0;
-
- /* */
- char *psz_tmp;
- if( asprintf( &psz_tmp, "%s\\%s", p_filter->p_sys->psz_win_fonts_path, psz_filename ) == -1 )
- return NULL;
- return psz_tmp;
-}
-#endif
-
-#ifdef HAVE_FONTCONFIG
-static void FontConfig_BuildCache( filter_t *p_filter )
-{
- /* */
- msg_Dbg( p_filter, "Building font databases.");
- mtime_t t1, t2;
- t1 = mdate();
-
-#ifdef WIN32
- dialog_progress_bar_t *p_dialog = NULL;
- FcConfig *fcConfig = FcInitLoadConfig();
-
- p_dialog = dialog_ProgressCreate( p_filter,
- _("Building font cache"),
- _("Please wait while your font cache is rebuilt.\n"
- "This should take less than a few minutes."), NULL );
-
-/* if( p_dialog )
- dialog_ProgressSet( p_dialog, NULL, 0.5 ); */
- FcConfigBuildFonts( fcConfig );
- if( p_dialog )
- {
-// dialog_ProgressSet( p_dialog, NULL, 1.0 );
- dialog_ProgressDestroy( p_dialog );
- p_dialog = NULL;
+ stream_Delete( p_sub );
}
-#endif
- t2 = mdate();
- msg_Dbg( p_filter, "Took %ld microseconds", (long)((t2 - t1)) );
-}
-
-/***
- * \brief Selects a font matching family, bold, italic provided
- ***/
-static char* FontConfig_Select( FcConfig* config, const char* family,
- bool b_bold, bool b_italic, int i_size, int *i_idx )
-{
- FcResult result = FcResultMatch;
- FcPattern *pat, *p_pat;
- FcChar8* val_s;
- FcBool val_b;
-
- /* Create a pattern and fills it */
- pat = FcPatternCreate();
- if (!pat) return NULL;
-
- /* */
- FcPatternAddString( pat, FC_FAMILY, (const FcChar8*)family );
- FcPatternAddBool( pat, FC_OUTLINE, FcTrue );
- FcPatternAddInteger( pat, FC_SLANT, b_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN );
- FcPatternAddInteger( pat, FC_WEIGHT, b_bold ? FC_WEIGHT_EXTRABOLD : FC_WEIGHT_NORMAL );
- if( i_size != -1 )
+ else
+#endif
{
- char *psz_fontsize;
- if( asprintf( &psz_fontsize, "%d", i_size ) != -1 )
- FcPatternAddString( pat, FC_SIZE, (const FcChar8 *)psz_fontsize );
+ text_style_t *p_style;
+ if( p_region_in->p_style )
+ p_style = CreateStyle( p_region_in->p_style->psz_fontname,
+ p_region_in->p_style->i_font_size,
+ (p_region_in->p_style->i_font_color & 0xffffff) |
+ ((p_region_in->p_style->i_font_alpha & 0xff) << 24),
+ 0x00ffffff,
+ p_region_in->p_style->i_style_flags & (STYLE_BOLD |
+ STYLE_ITALIC |
+ STYLE_UNDERLINE |
+ STYLE_STRIKEOUT) );
+ else
+ p_style = CreateStyle( p_sys->psz_fontfamily,
+ p_sys->i_font_size,
+ (p_sys->i_font_color & 0xffffff) |
+ (((255-p_sys->i_font_opacity) & 0xff) << 24),
+ 0x00ffffff, 0);
+
+ i_text_length = SetupText( p_filter,
+ psz_text,
+ pp_styles,
+ NULL,
+ p_region_in->psz_text, p_style, 0 );
}
- /* */
- FcDefaultSubstitute( pat );
- if( !FcConfigSubstitute( config, pat, FcMatchPattern ) )
+ if( !rv && i_text_length > 0 )
{
- FcPatternDestroy( pat );
- return NULL;
+ rv = ProcessLines( p_filter,
+ &p_lines, &bbox, &i_max_face_height,
+ psz_text, pp_styles, pi_k_durations, i_text_length );
}
- /* Find the best font for the pattern, destroy the pattern */
- p_pat = FcFontMatch( config, pat, &result );
- FcPatternDestroy( pat );
- if( !p_pat || result == FcResultNoMatch ) return NULL;
+ p_region_out->i_x = p_region_in->i_x;
+ p_region_out->i_y = p_region_in->i_y;
- /* Check the new pattern */
- if( ( FcResultMatch != FcPatternGetBool( p_pat, FC_OUTLINE, 0, &val_b ) )
- || ( val_b != FcTrue ) )
- {
- FcPatternDestroy( p_pat );
- return NULL;
- }
- if( FcResultMatch != FcPatternGetInteger( p_pat, FC_INDEX, 0, i_idx ) )
+ /* Don't attempt to render text that couldn't be layed out
+ * properly. */
+ if( !rv && i_text_length > 0 && bbox.xMin < bbox.xMax && bbox.yMin < bbox.yMax )
{
- *i_idx = 0;
- }
+ if( var_InheritBool( p_filter, "freetype-yuvp" ) )
+ RenderYUVP( p_filter, p_region_out, p_lines, &bbox );
+ else
+ RenderYUVA( p_filter, p_region_out,
+ p_lines,
+ &bbox,
+ p_sys->i_background_opacity > 0 ? i_max_face_height / 4 : 0 );
- if( FcResultMatch != FcPatternGetString( p_pat, FC_FAMILY, 0, &val_s ) )
- {
- FcPatternDestroy( p_pat );
- return NULL;
+ /* With karaoke, we're going to have to render the text a number
+ * of times to show the progress marker on the text.
+ */
+ if( pi_k_durations )
+ var_SetBool( p_filter, "text-rerender", true );
}
- /* if( strcasecmp((const char*)val_s, family ) != 0 )
- msg_Warn( p_filter, "fontconfig: selected font family is not"
- "the requested one: '%s' != '%s'\n",
- (const char*)val_s, family ); */
+ FreeLines( p_lines );
- if( FcResultMatch != FcPatternGetString( p_pat, FC_FILE, 0, &val_s ) )
+ free( psz_text );
+ for( int i = 0; i < i_text_length; i++ )
{
- FcPatternDestroy( p_pat );
- return NULL;
+ if( pp_styles[i] && ( i + 1 == i_text_length || pp_styles[i] != pp_styles[i + 1] ) )
+ text_style_Delete( pp_styles[i] );
}
+ free( pp_styles );
+ free( pi_k_durations );
- FcPatternDestroy( p_pat );
- return strdup( (const char*)val_s );
+ return rv;
}
-#endif
-#else /* from now no styles */
-static void SetupLine( filter_t *p_filter, const char *psz_text_in,
- uint32_t **psz_text_out, uint32_t *pi_runs,
- uint32_t **ppi_run_lengths, ft_style_t ***ppp_styles,
- ft_style_t *p_style )
+static int RenderText( filter_t *p_filter, subpicture_region_t *p_region_out,
+ subpicture_region_t *p_region_in )
{
- VLC_UNUSED(p_filter);
- VLC_UNUSED(psz_text_in);
- VLC_UNUSED(psz_text_out);
- VLC_UNUSED(pi_runs);
- VLC_UNUSED(ppi_run_lengths);
- VLC_UNUSED(ppp_styles);
- VLC_UNUSED(p_style);
+ return RenderCommon( p_filter, p_region_out, p_region_in, false );
}
-static ft_style_t *GetStyleFromFontStack( filter_sys_t *p_sys,
- font_stack_t **p_fonts, bool b_bold, bool b_italic,
- bool b_uline, bool b_through )
+#ifdef HAVE_STYLES
+
+static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out,
+ subpicture_region_t *p_region_in )
{
- VLC_UNUSED(p_sys);
- VLC_UNUSED(p_fonts);
- VLC_UNUSED(b_bold);
- VLC_UNUSED(b_italic);
- VLC_UNUSED(b_uline);
- VLC_UNUSED(b_through);
- return NULL;
+ return RenderCommon( p_filter, p_region_out, p_region_in, true );
}
+
#endif
-static void FreeLine( line_desc_t *p_line )
+/*****************************************************************************
+ * Create: allocates osd-text video thread output method
+ *****************************************************************************
+ * This function allocates and initializes a Clone vout method.
+ *****************************************************************************/
+static int Create( vlc_object_t *p_this )
{
- unsigned int i;
- for( i = 0; p_line->pp_glyphs[ i ] != NULL; i++ )
- {
- FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[ i ] );
- }
- free( p_line->pp_glyphs );
- free( p_line->p_glyph_pos );
- free( p_line->p_fg_rgb );
- free( p_line->p_bg_rgb );
- free( p_line->p_fg_bg_ratio );
- free( p_line->pi_underline_offset );
- free( p_line->pi_underline_thickness );
- free( p_line );
-}
+ filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys;
+ char *psz_fontfile = NULL;
+ char *psz_fontfamily = NULL;
+ int i_error = 0, fontindex = 0;
-static void FreeLines( line_desc_t *p_lines )
-{
- line_desc_t *p_line, *p_next;
+ /* Allocate structure */
+ p_filter->p_sys = p_sys = malloc( sizeof(*p_sys) );
+ if( !p_sys )
+ return VLC_ENOMEM;
+
+ p_sys->psz_fontfamily = NULL;
+#ifdef HAVE_STYLES
+ p_sys->p_xml = NULL;
+#endif
+ p_sys->p_face = 0;
+ p_sys->p_library = 0;
+ p_sys->i_font_size = 0;
+ p_sys->i_display_height = 0;
+
+ var_Create( p_filter, "freetype-rel-fontsize",
+ VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+
+ psz_fontfamily = var_InheritString( p_filter, "freetype-font" );
+ p_sys->i_default_font_size = var_InheritInteger( p_filter, "freetype-fontsize" );
+ p_sys->i_font_opacity = var_InheritInteger( p_filter,"freetype-opacity" );
+ p_sys->i_font_opacity = __MAX( __MIN( p_sys->i_font_opacity, 255 ), 0 );
+ p_sys->i_font_color = var_InheritInteger( p_filter, "freetype-color" );
+ p_sys->i_font_color = __MAX( __MIN( p_sys->i_font_color , 0xFFFFFF ), 0 );
- if( !p_lines ) return;
+ p_sys->i_background_opacity = var_InheritInteger( p_filter,"freetype-background-opacity" );;
+ p_sys->i_background_opacity = __MAX( __MIN( p_sys->i_background_opacity, 255 ), 0 );
+ p_sys->i_background_color = var_InheritInteger( p_filter, "freetype-background-color" );
+ p_sys->i_background_color = __MAX( __MIN( p_sys->i_background_color, 0xFFFFFF ), 0 );
+
+#ifdef WIN32
+ /* Get Windows Font folder */
+ wchar_t wdir[MAX_PATH];
+ if( S_OK != SHGetFolderPathW( NULL, CSIDL_FONTS, NULL, SHGFP_TYPE_CURRENT, wdir ) )
+ {
+ GetWindowsDirectoryW( wdir, MAX_PATH );
+ wcscat( wdir, L"\\fonts" );
+ }
+ p_sys->psz_win_fonts_path = FromWide( wdir );
+#endif
- for( p_line = p_lines; p_line != NULL; p_line = p_next )
+ /* Set default psz_fontfamily */
+ if( !psz_fontfamily || !*psz_fontfamily )
{
- p_next = p_line->p_next;
- FreeLine( p_line );
+ free( psz_fontfamily );
+#ifdef HAVE_STYLES
+ psz_fontfamily = strdup( DEFAULT_FAMILY );
+#else
+# ifdef WIN32
+ if( asprintf( &psz_fontfamily, "%s"DEFAULT_FONT_FILE, p_sys->psz_win_fonts_path ) == -1 )
+ goto error;
+# else
+ psz_fontfamily = strdup( DEFAULT_FONT_FILE );
+# endif
+ msg_Err( p_filter,"User specified an empty fontfile, using %s", psz_fontfamily );
+#endif
}
-}
-static line_desc_t *NewLine( int i_count )
-{
- line_desc_t *p_line = malloc( sizeof(line_desc_t) );
+ /* Set the current font file */
+ p_sys->psz_fontfamily = psz_fontfamily;
+#ifdef HAVE_STYLES
+#ifdef HAVE_FONTCONFIG
+ FontConfig_BuildCache( p_filter );
- if( !p_line ) return NULL;
- p_line->i_height = 0;
- p_line->i_width = 0;
- p_line->p_next = NULL;
+ /* */
+ psz_fontfile = FontConfig_Select( NULL, psz_fontfamily, false, false,
+ p_sys->i_default_font_size, &fontindex );
+#elif defined(WIN32)
+ psz_fontfile = Win32_Select( p_filter, psz_fontfamily, false, false,
+ p_sys->i_default_font_size, &fontindex );
+
+#endif
+ msg_Dbg( p_filter, "Using %s as font from file %s", psz_fontfamily, psz_fontfile );
+
+ /* If nothing is found, use the default family */
+ if( !psz_fontfile )
+ psz_fontfile = strdup( psz_fontfamily );
+
+#else /* !HAVE_STYLES */
+ /* Use the default file */
+ psz_fontfile = psz_fontfamily;
+#endif
- p_line->pp_glyphs = malloc( sizeof(FT_BitmapGlyph) * ( i_count + 1 ) );
- p_line->p_glyph_pos = malloc( sizeof( FT_Vector ) * ( i_count + 1 ) );
- p_line->p_fg_rgb = malloc( sizeof( uint32_t ) * ( i_count + 1 ) );
- p_line->p_bg_rgb = malloc( sizeof( uint32_t ) * ( i_count + 1 ) );
- p_line->p_fg_bg_ratio = calloc( i_count + 1, sizeof( uint8_t ) );
- p_line->pi_underline_offset = calloc( i_count + 1, sizeof( int ) );
- p_line->pi_underline_thickness = calloc( i_count + 1, sizeof( uint16_t ) );
- if( ( p_line->pp_glyphs == NULL ) ||
- ( p_line->p_glyph_pos == NULL ) ||
- ( p_line->p_fg_rgb == NULL ) ||
- ( p_line->p_bg_rgb == NULL ) ||
- ( p_line->p_fg_bg_ratio == NULL ) ||
- ( p_line->pi_underline_offset == NULL ) ||
- ( p_line->pi_underline_thickness == NULL ) )
+ /* */
+ i_error = FT_Init_FreeType( &p_sys->p_library );
+ if( i_error )
{
- free( p_line->pi_underline_thickness );
- free( p_line->pi_underline_offset );
- free( p_line->p_fg_rgb );
- free( p_line->p_bg_rgb );
- free( p_line->p_fg_bg_ratio );
- free( p_line->p_glyph_pos );
- free( p_line->pp_glyphs );
- free( p_line );
- return NULL;
+ msg_Err( p_filter, "couldn't initialize freetype" );
+ goto error;
}
- p_line->pp_glyphs[0] = NULL;
- p_line->b_new_color_mode = false;
- return p_line;
-}
-
-static int GetFontSize( filter_t *p_filter )
-{
- filter_sys_t *p_sys = p_filter->p_sys;
- vlc_value_t val;
- int i_size = 0;
+ i_error = FT_New_Face( p_sys->p_library, psz_fontfile ? psz_fontfile : "",
+ fontindex, &p_sys->p_face );
- if( p_sys->i_default_font_size )
+ if( i_error == FT_Err_Unknown_File_Format )
{
- if( VLC_SUCCESS == var_Get( p_filter, "scale", &val ))
- i_size = p_sys->i_default_font_size * val.i_int / 1000;
- else
- i_size = p_sys->i_default_font_size;
+ msg_Err( p_filter, "file %s have unknown format",
+ psz_fontfile ? psz_fontfile : "(null)" );
+ goto error;
}
- else
+ else if( i_error )
{
- var_Get( p_filter, "freetype-rel-fontsize", &val );
- if( val.i_int > 0 )
- {
- i_size = (int)p_filter->fmt_out.video.i_height / val.i_int;
- p_filter->p_sys->i_display_height =
- p_filter->fmt_out.video.i_height;
- }
+ msg_Err( p_filter, "failed to load font file %s",
+ psz_fontfile ? psz_fontfile : "(null)" );
+ goto error;
}
- if( i_size <= 0 )
+#ifdef HAVE_STYLES
+ free( psz_fontfile );
+#endif
+
+ i_error = FT_Select_Charmap( p_sys->p_face, ft_encoding_unicode );
+ if( i_error )
{
- msg_Warn( p_filter, "invalid fontsize, using 12" );
- if( VLC_SUCCESS == var_Get( p_filter, "scale", &val ))
- i_size = 12 * val.i_int / 1000;
- else
- i_size = 12;
+ msg_Err( p_filter, "font has no unicode translation table" );
+ goto error;
}
- return i_size;
+
+ if( SetFontSize( p_filter, 0 ) != VLC_SUCCESS ) goto error;
+
+
+ p_sys->pp_font_attachments = NULL;
+ p_sys->i_font_attachments = 0;
+
+ p_filter->pf_render_text = RenderText;
+#ifdef HAVE_STYLES
+ p_filter->pf_render_html = RenderHtml;
+#else
+ p_filter->pf_render_html = NULL;
+#endif
+
+ LoadFontsFromAttachments( p_filter );
+
+ return VLC_SUCCESS;
+
+error:
+ if( p_sys->p_face ) FT_Done_Face( p_sys->p_face );
+ if( p_sys->p_library ) FT_Done_FreeType( p_sys->p_library );
+#ifdef HAVE_STYLES
+ free( psz_fontfile );
+#endif
+ free( psz_fontfamily );
+ free( p_sys );
+ return VLC_EGENERIC;
}
-static int SetFontSize( filter_t *p_filter, int i_size )
+/*****************************************************************************
+ * Destroy: destroy Clone video thread output method
+ *****************************************************************************
+ * Clean up all data and library connections
+ *****************************************************************************/
+static void Destroy( vlc_object_t *p_this )
{
+ filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
- if( !i_size )
+ if( p_sys->pp_font_attachments )
{
- i_size = GetFontSize( p_filter );
+ for( int k = 0; k < p_sys->i_font_attachments; k++ )
+ vlc_input_attachment_Delete( p_sys->pp_font_attachments[k] );
- msg_Dbg( p_filter, "using fontsize: %i", i_size );
+ free( p_sys->pp_font_attachments );
}
- p_sys->i_font_size = i_size;
+#ifdef HAVE_STYLES
+ if( p_sys->p_xml ) xml_ReaderDelete( p_sys->p_xml );
+#endif
+ free( p_sys->psz_fontfamily );
- if( FT_Set_Pixel_Sizes( p_sys->p_face, 0, i_size ) )
- {
- msg_Err( p_filter, "couldn't set font size to %d", i_size );
- return VLC_EGENERIC;
- }
+ /* FcFini asserts calling the subfunction FcCacheFini()
+ * even if no other library functions have been made since FcInit(),
+ * so don't call it. */
- return VLC_SUCCESS;
+ FT_Done_Face( p_sys->p_face );
+ FT_Done_FreeType( p_sys->p_library );
+ free( p_sys );
}
-static void YUVFromRGB( uint32_t i_argb,
- uint8_t *pi_y, uint8_t *pi_u, uint8_t *pi_v )
-{
- int i_red = ( i_argb & 0x00ff0000 ) >> 16;
- int i_green = ( i_argb & 0x0000ff00 ) >> 8;
- int i_blue = ( i_argb & 0x000000ff );
- *pi_y = (uint8_t)__MIN(abs( 2104 * i_red + 4130 * i_green +
- 802 * i_blue + 4096 + 131072 ) >> 13, 235);
- *pi_u = (uint8_t)__MIN(abs( -1214 * i_red + -2384 * i_green +
- 3598 * i_blue + 4096 + 1048576) >> 13, 240);
- *pi_v = (uint8_t)__MIN(abs( 3598 * i_red + -3013 * i_green +
- -585 * i_blue + 4096 + 1048576) >> 13, 240);
-}
projects / vlc / blobdiff