#include <vlc_osd.h>
#include <vlc_block.h>
#include <vlc_filter.h>
+#include <vlc_stream.h>
+#include <vlc_xml.h>
#include <math.h>
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_GLYPH_H
+#define FT_FLOOR(X) ((X & -64) >> 6)
+#define FT_CEIL(X) (((X + 63) & -64) >> 6)
+#define FT_MulFix(v, s) (((v)*(s))>>16)
#ifdef __APPLE__
#define DEFAULT_FONT "/System/Library/Fonts/LucidaGrande.dfont"
+#define FC_DEFAULT_FONT "Lucida Grande"
#elif defined( SYS_BEOS )
#define DEFAULT_FONT "/boot/beos/etc/fonts/ttfonts/Swiss721.ttf"
+#define FC_DEFAULT_FONT "Swiss"
#elif defined( WIN32 )
#define DEFAULT_FONT "" /* Default font found at run-time */
+#define FC_DEFAULT_FONT "Arial"
#else
#define DEFAULT_FONT "/usr/share/fonts/truetype/freefont/FreeSerifBold.ttf"
+#define FC_DEFAULT_FONT "Serif Bold"
#endif
#if defined(HAVE_FRIBIDI)
#include <fribidi/fribidi.h>
#endif
+#ifdef HAVE_FONTCONFIG
+#include <fontconfig/fontconfig.h>
+#endif
+
typedef struct line_desc_t line_desc_t;
/*****************************************************************************
/* 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_FONTCONFIG
+static int RenderHtml( filter_t *, subpicture_region_t *,
+ subpicture_region_t * );
+static char *FontConfig_Select( FcConfig *, const char *,
+ vlc_bool_t, vlc_bool_t, int * );
+#endif
static line_desc_t *NewLine( byte_t * );
static int SetFontSize( filter_t *, int );
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_rgb;
+ vlc_bool_t b_new_color_mode;
+ /** underline information -- only supplied if text should be underlined */
+ uint16_t *pi_underline_offset;
+ uint16_t *pi_underline_thickness;
int i_height;
int i_width;
line_desc_t *p_next;
};
+typedef struct font_stack_t font_stack_t;
+struct font_stack_t
+{
+ char *psz_name;
+ int i_size;
+ int i_color;
+ int i_alpha;
+
+ font_stack_t *p_next;
+};
+
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 * );
int i_default_font_size;
int i_display_height;
+#ifdef HAVE_FONTCONFIG
+ FcConfig *p_fontconfig;
+#endif
};
/*****************************************************************************
#endif
}
+#ifdef HAVE_FONTCONFIG
+ if( FcInit() )
+ p_sys->p_fontconfig = FcConfigGetCurrent();
+ else
+ p_sys->p_fontconfig = NULL;
+#endif
i_error = FT_Init_FreeType( &p_sys->p_library );
if( i_error )
{
if( psz_fontfile ) free( psz_fontfile );
p_filter->pf_render_text = RenderText;
+#ifdef HAVE_FONTCONFIG
+ p_filter->pf_render_html = RenderHtml;
+#else
+ p_filter->pf_render_html = NULL;
+#endif
return VLC_SUCCESS;
error:
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
+#ifdef HAVE_FONTCONFIG
+ FcConfigDestroy( p_sys->p_fontconfig );
+ p_sys->p_fontconfig = NULL;
+ /* FcFini asserts calling the subfunction FcCacheFini()
+ * even if no other library functions have been made since FcInit(),
+ * so don't call it. */
+#endif
FT_Done_Face( p_sys->p_face );
FT_Done_FreeType( p_sys->p_library );
free( p_sys );
return VLC_SUCCESS;
}
+static void UnderlineGlyphYUVA( int i_line_thickness, int i_line_offset, vlc_bool_t 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, uint8_t i_alpha,
+ subpicture_region_t *p_region)
+{
+ int y, x, z;
+ int i_pitch;
+ uint8_t *p_dst_y,*p_dst_u,*p_dst_v,*p_dst_a;
+
+ p_dst_y = p_region->picture.Y_PIXELS;
+ p_dst_u = p_region->picture.U_PIXELS;
+ p_dst_v = p_region->picture.V_PIXELS;
+ p_dst_a = p_region->picture.A_PIXELS;
+ i_pitch = p_region->picture.A_PITCH;
+
+ 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( y = 0; y < i_line_thickness; y++ )
+ {
+ 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( x = 0; x < i_extra; x++ )
+ {
+ vlc_bool_t b_ok = VLC_TRUE;
+
+ /* break the underline around the tails of any glyphs which cross it */
+ for( z = x - i_line_thickness;
+ z < x + i_line_thickness && b_ok;
+ 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 = VLC_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 = VLC_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;
+ }
+ }
+ i_offset += i_pitch;
+ }
+}
+
static void DrawBlack( line_desc_t *p_line, int i_width, subpicture_region_t *p_region, int xoffset, int yoffset )
{
uint8_t *p_dst = p_region->picture.A_PIXELS;
i_pitch + p_line->p_glyph_pos[ i ].x + p_glyph->left + 3 +
i_align_offset;
+ if( p_line->b_new_color_mode )
+ {
+ /* Every glyph can (and in fact must) have its own color */
+ int i_red = ( p_line->p_rgb[ i ] & 0x00ff0000 ) >> 16;
+ int i_green = ( p_line->p_rgb[ i ] & 0x0000ff00 ) >> 8;
+ int i_blue = ( p_line->p_rgb[ i ] & 0x000000ff );
+
+ i_y = (uint8_t)__MIN(abs( 2104 * i_red + 4130 * i_green +
+ 802 * i_blue + 4096 + 131072 ) >> 13, 235);
+ i_u = (uint8_t)__MIN(abs( -1214 * i_red + -2384 * i_green +
+ 3598 * i_blue + 4096 + 1048576) >> 13, 240);
+ i_v = (uint8_t)__MIN(abs( 3598 * i_red + -3013 * i_green +
+ -585 * i_blue + 4096 + 1048576) >> 13, 240);
+ }
+
for( y = 0, i_bitmap_offset = 0; y < p_glyph->bitmap.rows; y++ )
{
for( x = 0; x < p_glyph->bitmap.width; x++, i_bitmap_offset++ )
}
i_offset += i_pitch;
}
+
+ 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, i_alpha,
+ p_region);
+ }
}
}
return VLC_EGENERIC;
}
+#ifdef HAVE_FONTCONFIG
+static int PushFont( font_stack_t **p_font, char *psz_name, int i_size,
+ int i_color, int i_alpha )
+{
+ font_stack_t *p_new;
+
+ if( !p_font )
+ return VLC_EGENERIC;
+
+ p_new = malloc( sizeof( font_stack_t ) );
+ p_new->p_next = NULL;
+
+ if( psz_name )
+ p_new->psz_name = strdup( psz_name );
+ else
+ p_new->psz_name = NULL;
+
+ p_new->i_size = i_size;
+ p_new->i_color = i_color;
+ p_new->i_alpha = i_alpha;
+
+ if( !*p_font )
+ {
+ *p_font = p_new;
+ }
+ else
+ {
+ font_stack_t *p_last;
+
+ for( p_last = *p_font;
+ p_last->p_next;
+ p_last = p_last->p_next )
+ ;
+
+ p_last->p_next = p_new;
+ }
+ return VLC_SUCCESS;
+}
+
+static int PopFont( font_stack_t **p_font )
+{
+ font_stack_t *p_last, *p_next_to_last;
+
+ if( !p_font || !*p_font )
+ return VLC_EGENERIC;
+
+ p_next_to_last = NULL;
+ for( p_last = *p_font;
+ p_last->p_next;
+ p_last = p_last->p_next )
+ {
+ p_next_to_last = p_last;
+ }
+
+ if( p_next_to_last )
+ p_next_to_last->p_next = NULL;
+ else
+ *p_font = NULL;
+
+ free( p_last->psz_name );
+ free( p_last );
+
+ return VLC_SUCCESS;
+}
+
+static int PeekFont( font_stack_t **p_font, char **psz_name, int *i_size,
+ int *i_color, int *i_alpha )
+{
+ font_stack_t *p_last;
+
+ if( !p_font || !*p_font )
+ return VLC_EGENERIC;
+
+ for( p_last=*p_font;
+ p_last->p_next;
+ p_last=p_last->p_next )
+ ;
+
+ *psz_name = p_last->psz_name;
+ *i_size = p_last->i_size;
+ *i_color = p_last->i_color;
+ *i_alpha = p_last->i_alpha;
+
+ return VLC_SUCCESS;
+}
+
+static uint32_t *IconvText( filter_t *p_filter, char *psz_string )
+{
+ vlc_iconv_t iconv_handle = (vlc_iconv_t)(-1);
+ uint32_t *psz_unicode;
+ int i_string_length;
+
+ psz_unicode =
+ malloc( ( strlen( psz_string ) + 1 ) * sizeof( uint32_t ) );
+ if( psz_unicode == NULL )
+ {
+ msg_Err( p_filter, "out of memory" );
+ return NULL;;
+ }
+#if defined(WORDS_BIGENDIAN)
+ iconv_handle = vlc_iconv_open( "UCS-4BE", "UTF-8" );
+#else
+ iconv_handle = vlc_iconv_open( "UCS-4LE", "UTF-8" );
+#endif
+ if( iconv_handle == (vlc_iconv_t)-1 )
+ {
+ msg_Warn( p_filter, "unable to do conversion" );
+ free( psz_unicode );
+ return NULL;;
+ }
+
+ {
+ char *p_in_buffer, *p_out_buffer;
+ size_t i_in_bytes, i_out_bytes, i_out_bytes_left, i_ret;
+ i_in_bytes = strlen( psz_string );
+ i_out_bytes = i_in_bytes * sizeof( uint32_t );
+ i_out_bytes_left = i_out_bytes;
+ p_in_buffer = psz_string;
+ p_out_buffer = (char *)psz_unicode;
+ i_ret = vlc_iconv( iconv_handle, (const char**)&p_in_buffer, &i_in_bytes,
+ &p_out_buffer, &i_out_bytes_left );
+
+ vlc_iconv_close( iconv_handle );
+
+ if( i_in_bytes )
+ {
+ msg_Warn( p_filter, "failed to convert string to unicode (%s), "
+ "bytes left %d", strerror(errno), (int)i_in_bytes );
+ free( psz_unicode );
+ return NULL;;
+ }
+ *(uint32_t*)p_out_buffer = 0;
+ i_string_length = (i_out_bytes - i_out_bytes_left) / sizeof(uint32_t);
+ }
+
+#if defined(HAVE_FRIBIDI)
+ {
+ uint32_t *p_fribidi_string;
+
+ p_fribidi_string = malloc( (i_string_length + 1) * sizeof(uint32_t) );
+
+ /* Do bidi conversion line-by-line */
+ FriBidiCharType base_dir = FRIBIDI_TYPE_LTR;
+ fribidi_log2vis((FriBidiChar*)psz_unicode, i_string_length,
+ &base_dir, (FriBidiChar*)p_fribidi_string, 0, 0, 0);
+
+ free( psz_unicode );
+ psz_unicode = p_fribidi_string;
+ p_fribidi_string[ i_string_length ] = 0;
+ }
+#endif
+ return psz_unicode;
+}
+
+static int RenderTag( filter_t *p_filter, FT_Face p_face, int i_font_color,
+ vlc_bool_t b_uline, line_desc_t *p_line, uint32_t *psz_unicode,
+ int *pi_pen_x, int i_pen_y, int *pi_start,
+ FT_Vector *p_result )
+{
+ FT_BBox line;
+ int i_yMin, i_yMax;
+ int i;
+
+ int i_previous = 0;
+ int i_pen_x_start = *pi_pen_x;
+
+ uint32_t *psz_unicode_start = psz_unicode;
+
+ line.xMin = line.xMax = line.yMin = line.yMax = 0;
+
+ /* Account for part of line already in position */
+ for( i=0; i<*pi_start; i++ )
+ {
+ FT_BBox glyph_size;
+
+ FT_Glyph_Get_CBox( 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 );
+ }
+ i_yMin = line.yMin;
+ i_yMax = line.yMax;
+
+ while( *psz_unicode && ( *psz_unicode != 0xffff ) )
+ {
+ 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_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;
+ }
+ 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 )
+ {
+ 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;
+ }
+ p_line->pp_glyphs[ i ] = (FT_BitmapGlyph)tmp_glyph;
+ p_line->p_rgb[ i ] = i_font_color & 0x00ffffff;
+
+ 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( --i > *pi_start )
+ {
+ FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[ i ] );
+ }
+
+ while( psz_unicode > psz_unicode_start && *psz_unicode != ' ' )
+ {
+ psz_unicode--;
+ }
+ if( psz_unicode == psz_unicode_start )
+ {
+ msg_Warn( p_filter, "unbreakable string" );
+ p_line->pp_glyphs[ i ] = NULL;
+ return VLC_EGENERIC;
+ }
+ else
+ {
+ *psz_unicode = 0xffff;
+ }
+ psz_unicode = psz_unicode_start;
+ *pi_pen_x = i_pen_x_start;
+ i_previous = 0;
+
+ line.yMax = i_yMax;
+ line.yMin = i_yMin;
+
+ continue;
+ }
+ 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_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
+ {
+ psz_unicode++;
+ for( i=0; psz_unicode[ i ]; i++ )
+ psz_unicode_start[ i ] = psz_unicode[ i ];
+ psz_unicode_start[ i ] = '\0';
+ }
+
+ return VLC_SUCCESS;
+}
+
+static int ProcessNodes( filter_t *p_filter, xml_reader_t *p_xml_reader, char *psz_html, text_style_t *p_font_style, line_desc_t **p_lines, FT_Vector *p_result )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
+
+ FT_Vector tmp_result;
+
+ font_stack_t *p_fonts = NULL;
+ vlc_bool_t b_italic = VLC_FALSE;
+ vlc_bool_t b_bold = VLC_FALSE;
+ vlc_bool_t b_uline = VLC_FALSE;
+
+ line_desc_t *p_line = NULL;
+ line_desc_t *p_prev = NULL;
+
+ char *psz_node = NULL;
+
+ int i_pen_x = 0;
+ int i_pen_y = 0;
+ int i_posn = 0;
+
+ int rv = VLC_SUCCESS;
+
+ p_result->x = p_result->y = 0;
+ tmp_result.x = tmp_result.y = 0;
+
+ if( p_font_style )
+ {
+ PushFont( &p_fonts,
+ p_font_style->psz_fontname,
+ p_font_style->i_font_size,
+ p_font_style->i_font_color,
+ p_font_style->i_font_alpha );
+
+ if( p_font_style->i_style_flags & STYLE_BOLD )
+ b_bold = VLC_TRUE;
+ if( p_font_style->i_style_flags & STYLE_ITALIC )
+ b_italic = VLC_TRUE;
+ if( p_font_style->i_style_flags & STYLE_UNDERLINE )
+ b_uline = VLC_TRUE;
+ }
+ else
+ {
+ PushFont( &p_fonts, FC_DEFAULT_FONT, 24, 0xffffff, 0 );
+ }
+
+ while ( ( xml_ReaderRead( p_xml_reader ) == 1 ) && ( rv == VLC_SUCCESS ) )
+ {
+ switch ( xml_ReaderNodeType( p_xml_reader ) )
+ {
+ case XML_READER_NONE:
+ break;
+ case XML_READER_ENDELEM:
+ psz_node = xml_ReaderName( p_xml_reader );
+
+ if( psz_node )
+ {
+ if( !strcasecmp( "font", psz_node ) )
+ PopFont( &p_fonts );
+ else if( !strcasecmp( "b", psz_node ) )
+ b_bold = VLC_FALSE;
+ else if( !strcasecmp( "i", psz_node ) )
+ b_italic = VLC_FALSE;
+ else if( !strcasecmp( "u", psz_node ) )
+ b_uline = VLC_FALSE;
+
+ free( psz_node );
+ }
+ break;
+ case XML_READER_STARTELEM:
+ psz_node = xml_ReaderName( p_xml_reader );
+ if( psz_node )
+ {
+ if( !strcasecmp( "font", psz_node ) )
+ {
+ char *psz_fontname = NULL;
+ int i_font_color = 0xffffff;
+ int i_font_alpha = 0;
+ 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_font_alpha ))
+ {
+ psz_fontname = strdup( psz_fontname );
+ }
+
+ while ( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
+ {
+ char *psz_name = xml_ReaderName ( p_xml_reader );
+ char *psz_value = xml_ReaderValue ( p_xml_reader );
+
+ if( psz_name && psz_value )
+ {
+ if( !strcasecmp( "face", psz_name ) )
+ {
+ if( psz_fontname ) free( psz_fontname );
+ psz_fontname = strdup( psz_value );
+ }
+ else if( !strcasecmp( "size", psz_name ) )
+ {
+ i_font_size = atoi( psz_value );
+ }
+ else if( !strcasecmp( "color", psz_name ) &&
+ ( psz_value[0] == '#' ) )
+ {
+ i_font_color = strtol( psz_value+1, NULL, 16 );
+ i_font_color &= 0x00ffffff;
+ }
+ else if( !strcasecmp( "alpha", psz_name ) &&
+ ( psz_value[0] == '#' ) )
+ {
+ i_font_alpha = strtol( psz_value+1, NULL, 16 );
+ i_font_alpha &= 0xff;
+ }
+ free( psz_name );
+ free( psz_value );
+ }
+ }
+ PushFont( &p_fonts, psz_fontname, i_font_size, i_font_color, i_font_alpha );
+ free( psz_fontname );
+ }
+ else if( !strcasecmp( "b", psz_node ) )
+ {
+ b_bold = VLC_TRUE;
+ }
+ else if( !strcasecmp( "i", psz_node ) )
+ {
+ b_italic = VLC_TRUE;
+ }
+ else if( !strcasecmp( "u", psz_node ) )
+ {
+ b_uline = VLC_TRUE;
+ }
+ else if( !strcasecmp( "br", psz_node ) )
+ {
+ if( p_line )
+ {
+ p_prev = p_line;
+ if( !(p_line = NewLine( (byte_t *)psz_html )) )
+ {
+ msg_Err( p_filter, "out of memory" );
+ free( psz_node );
+ rv = VLC_EGENERIC;
+ break;
+ }
+ p_line->b_new_color_mode = VLC_TRUE;
+ p_result->x = __MAX( p_result->x, tmp_result.x );
+ p_result->y += tmp_result.y;
+
+ p_line->p_next = NULL;
+ i_pen_x = 0;
+ i_pen_y += tmp_result.y;
+ i_posn = 0;
+ p_prev->p_next = p_line;
+ tmp_result.x = 0;
+ tmp_result.y = 0;
+ }
+ }
+ free( psz_node );
+ }
+ break;
+ case XML_READER_TEXT:
+ psz_node = xml_ReaderValue( p_xml_reader );
+ if( psz_node )
+ {
+ char *psz_fontname = NULL;
+ int i_font_color = 0xffffff;
+ int i_font_alpha = 0;
+ int i_font_size = 24;
+ FT_Face p_face = NULL;
+
+ if( VLC_SUCCESS == PeekFont( &p_fonts, &psz_fontname, &i_font_size, &i_font_color, &i_font_alpha ) )
+ {
+ int i_idx = 0;
+ char *psz_fontfile = FontConfig_Select( p_sys->p_fontconfig, psz_fontname, b_bold, b_italic, &i_idx );
+
+ if( psz_fontfile )
+ {
+ if( FT_New_Face( p_sys->p_library, psz_fontfile ? psz_fontfile : "",
+ i_idx, &p_face ) )
+ {
+ free( psz_fontfile );
+ free( psz_node );
+ rv = VLC_EGENERIC;
+ break;
+ }
+ free( psz_fontfile );
+ }
+ }
+
+ 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, i_font_size ) )
+ {
+ free( psz_node );
+ rv = VLC_EGENERIC;
+ break;
+ }
+ p_sys->i_use_kerning = FT_HAS_KERNING( ( p_face ? p_face : p_sys->p_face ) );
+
+ uint32_t *psz_unicode = IconvText( p_filter, psz_node );
+
+ if( !psz_unicode )
+ {
+ free( psz_node );
+ if( p_face ) FT_Done_Face( p_face );
+ rv = VLC_EGENERIC;
+ break;
+ }
+
+ while( *psz_unicode )
+ {
+ if( !p_line )
+ {
+ if( !(p_line = NewLine( (byte_t *)psz_html )) )
+ {
+ msg_Err( p_filter, "out of memory" );
+ free( psz_node );
+ if( p_face ) FT_Done_Face( p_face );
+ rv = VLC_EGENERIC;
+ break;
+ }
+ /* 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 = VLC_TRUE;
+ p_line->i_alpha = i_font_alpha;
+ p_line->i_red = ( i_font_color & 0xff0000 ) >> 16;
+ p_line->i_green = ( i_font_color & 0x00ff00 ) >> 8;
+ p_line->i_blue = ( i_font_color & 0x0000ff );
+ 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 *p_lines = p_line;
+ }
+
+ if( RenderTag( p_filter, p_face, i_font_color, b_uline, p_line, psz_unicode, &i_pen_x, i_pen_y, &i_posn, &tmp_result ) != VLC_SUCCESS )
+ {
+ free( psz_node );
+ if( p_face ) FT_Done_Face( p_face );
+ rv = VLC_EGENERIC;
+ break;
+ }
+ if( *psz_unicode )
+ {
+ p_result->x = __MAX( p_result->x, tmp_result.x );
+ p_result->y += tmp_result.y;
+
+ p_prev = p_line;
+ p_line = NULL;
+ }
+ }
+ if( rv != VLC_SUCCESS ) break;
+
+ if( p_face ) FT_Done_Face( p_face );
+ free( psz_unicode );
+ free( psz_node );
+ }
+ break;
+ }
+ }
+ if( p_line )
+ {
+ p_result->x = __MAX( p_result->x, tmp_result.x );
+ p_result->y += tmp_result.y;
+ }
+
+
+ while( VLC_SUCCESS == PopFont( &p_fonts ) );
+
+ return rv;
+}
+
+
+static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out,
+ subpicture_region_t *p_region_in )
+{
+ int rv = VLC_SUCCESS;
+ stream_t *p_sub = NULL;
+ xml_t *p_xml = NULL;
+ xml_reader_t *p_xml_reader = NULL;
+
+ if( !p_region_in || !p_region_in->psz_html )
+ return VLC_EGENERIC;
+
+ p_sub = stream_MemoryNew( VLC_OBJECT(p_filter),
+ p_region_in->psz_html,
+ strlen( p_region_in->psz_html ),
+ VLC_FALSE );
+ if( p_sub )
+ {
+ p_xml = xml_Create( p_filter );
+ if( p_xml )
+ {
+ p_xml_reader = xml_ReaderCreate( p_xml, p_sub );
+ if( p_xml_reader )
+ {
+ FT_Vector result;
+ line_desc_t *p_lines = NULL;
+
+ rv = ProcessNodes( p_filter, p_xml_reader, p_region_in->psz_html, p_region_in->p_style, &p_lines, &result );
+
+ if( rv == VLC_SUCCESS )
+ {
+ p_region_out->i_x = p_region_in->i_x;
+ p_region_out->i_y = p_region_in->i_y;
+
+ if( config_GetInt( 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 );
+ }
+ FreeLines( p_lines );
+
+ xml_ReaderDelete( p_xml, p_xml_reader );
+ }
+ xml_Delete( p_xml );
+ }
+ stream_Delete( p_sub );
+ }
+ /* No longer need a HTML version of the text */
+ free( p_region_in->psz_html );
+ p_region_in->psz_html = NULL;
+
+ return rv;
+}
+
+static char* FontConfig_Select( FcConfig* priv, const char* family, vlc_bool_t b_bold, vlc_bool_t b_italic, int *i_idx )
+{
+ FcResult result;
+ FcPattern *pat, *p_pat;
+ FcChar8* val_s;
+ FcBool val_b;
+
+ pat = FcPatternCreate();
+ if (!pat) return NULL;
+
+ FcPatternAddString( pat, FC_FAMILY, (const FcChar8*)family );
+ FcPatternAddBool( pat, FC_OUTLINE, FcTrue );
+ FcPatternAddInteger( pat, FC_SLANT, b_italic ? 1000 : 0 );
+ FcPatternAddInteger( pat, FC_WEIGHT, b_bold ? 1000 : 0 );
+
+ FcDefaultSubstitute( pat );
+
+ if( !FcConfigSubstitute( priv, pat, FcMatchPattern ) )
+ {
+ FcPatternDestroy( pat );
+ return NULL;
+ }
+
+ p_pat = FcFontMatch( priv, pat, &result );
+ FcPatternDestroy( pat );
+ if( !p_pat ) return NULL;
+
+ 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
+
static void FreeLine( line_desc_t *p_line )
{
unsigned int i;
}
free( p_line->pp_glyphs );
free( p_line->p_glyph_pos );
+ free( p_line->p_rgb );
+ free( p_line->pi_underline_offset );
+ free( p_line->pi_underline_thickness );
free( p_line );
}
i_count = strlen( (char *)psz_string );
p_line->pp_glyphs = malloc( sizeof(FT_BitmapGlyph) * ( i_count + 1 ) );
- if( p_line->pp_glyphs == NULL )
- {
- free( p_line );
- return NULL;
- }
- p_line->pp_glyphs[0] = NULL;
-
p_line->p_glyph_pos = malloc( sizeof( FT_Vector ) * i_count + 1 );
- if( p_line->p_glyph_pos == NULL )
+ p_line->p_rgb = malloc( sizeof( uint32_t ) * i_count + 1 );
+ p_line->pi_underline_offset = calloc( i_count+ + 1, sizeof( uint16_t ) );
+ 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_rgb == NULL ) ||
+ ( p_line->pi_underline_offset == NULL ) ||
+ ( p_line->pi_underline_thickness == NULL ) )
{
- free( p_line->pp_glyphs );
+ if( p_line->pi_underline_thickness ) free( p_line->pi_underline_thickness );
+ if( p_line->pi_underline_offset ) free( p_line->pi_underline_offset );
+ if( p_line->p_rgb ) free( p_line->p_rgb );
+ if( p_line->p_glyph_pos ) free( p_line->p_glyph_pos );
+ if( p_line->pp_glyphs ) free( p_line->pp_glyphs );
free( p_line );
return NULL;
}
-
+ p_line->pp_glyphs[0] = NULL;
+ p_line->b_new_color_mode = VLC_FALSE;
+
return p_line;
}
projects / vlc / blobdiff