X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=bigscreen%2Ffonts.cpp;h=4b0f3c85541de609f435f7243a740413cb25b49b;hb=7b8b747f037d2244ffd080e97d9d5e5c0e9114a7;hp=cedd03affddd01fa4c859d3642177ea88bd9d646;hpb=416d3d469d9ce4c15a860f61e24aee79da12402d;p=ccbs diff --git a/bigscreen/fonts.cpp b/bigscreen/fonts.cpp index cedd03a..4b0f3c8 100644 --- a/bigscreen/fonts.cpp +++ b/bigscreen/fonts.cpp @@ -1,49 +1,101 @@ +#include #include #include +#include +#include #include "fonts.h" #include "resolution.h" +#include "theme.h" -std::vector fonts; +extern std::map config; +std::map faces; + +std::vector split(const std::string &str, char delim) +{ + std::vector ret; + std::string s; + for (unsigned i = 0; i < str.size(); ++i) { + if (str[i] == delim) { + ret.push_back(s); + s.clear(); + } else { + s.push_back(str[i]); + } + } + if (!s.empty()) { + ret.push_back(s); + } + return ret; +} void init_freetype() { FT_Library library; - FT_Face face; if (FT_Init_FreeType(&library)) throw std::runtime_error("FreeType init failed."); - // Georgia - if (FT_New_Face(library, "/usr/share/fonts/truetype/msttcorefonts/Georgia.ttf", 0, &face)) - throw std::runtime_error("Face opening failed."); - fonts.push_back(face); + // Preload all fonts. + for (std::map::const_iterator it = config.begin(); + it != config.end(); + ++it) { + const std::string key = it->first; + if (key.size() <= 5 || key.substr(key.size() - 5) != ".font") { + continue; + } - // FreeSerif - if (FT_New_Face(library, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", 0, &face)) { - std::fprintf(stderr, "Warning: Couldn't open FreeSerif, some glyphs might not be available\n"); - } else { - fonts.push_back(face); + std::vector font_list = split(it->second, ';'); + for (unsigned i = 0; i < font_list.size(); ++i) { + if (faces.count(font_list[i])) { + // Already preloaded. + continue; + } + + FT_Face face; + if (FT_New_Face(library, font_list[i].c_str(), 0, &face)) { + fprintf(stderr, "Warning: Couldn't open '%s', some glyphs might not be available\n", font_list[i].c_str()); + } else { + faces[font_list[i]] = face; + } + } } - - // Arial Unicode MS - if (FT_New_Face(library, "arialuni.ttf", 0, &face)) { - std::fprintf(stderr, "Warning: Couldn't open Arial Unicode MS, some glyphs might not be available\n"); - } else { - fonts.push_back(face); +} + +void get_glyph(const std::vector &fonts, wchar_t ch, FT_Face *face, int *glyph_index) +{ + for (std::vector::const_iterator i = fonts.begin(); i != fonts.end(); ++i) { + *glyph_index = FT_Get_Char_Index(*i, ch); + if (*glyph_index == 0) + continue; + *face = *i; + return; } } // this should really be done somehow else :-) -static unsigned screen_width = SCREEN_WIDTH, screen_height = SCREEN_HEIGHT; +static unsigned screen_width, screen_height; void set_screen_size(unsigned width, unsigned height) { screen_width = width; screen_height = height; } -unsigned my_draw_text(const widestring &str, unsigned char *buf, double size, int xpos, int ypos, int r, int g, int b) +unsigned my_draw_text(const widestring &str, unsigned char *buf, double size, const std::string &theme_element, int xpos, int ypos) { - FT_GlyphSlot slot; int x = 0; + + int r = atoi(get_theme_config(theme_element, "red").c_str()); + int g = atoi(get_theme_config(theme_element, "green").c_str()); + int b = atoi(get_theme_config(theme_element, "blue").c_str()); + bool use_lcd = atoi(get_theme_config("screen", "lcd").c_str()); + + // Find font faces. + std::vector fonts; + std::vector font_list = split(get_theme_config(theme_element, "font"), ';'); + for (unsigned i = 0; i < font_list.size(); ++i) { + if (faces.count(font_list[i])) { + fonts.push_back(faces[font_list[i]]); + } + } for (std::vector::const_iterator i = fonts.begin(); i != fonts.end(); ++i) { if (FT_Set_Char_Size(*i, 0, unsigned(size * 64.0), 96 * screen_width/LOGICAL_SCREEN_WIDTH, 96 * screen_height/LOGICAL_SCREEN_HEIGHT)) @@ -55,26 +107,23 @@ unsigned my_draw_text(const widestring &str, unsigned char *buf, double size, in ypos = ypos * screen_height / LOGICAL_SCREEN_HEIGHT; for (widestring::const_iterator i = str.begin(); i != str.end(); ++i) { + FT_Face face; int glyph_index; - for (std::vector::const_iterator j = fonts.begin(); j != fonts.end(); ++j) { - glyph_index = FT_Get_Char_Index(*j, *i); - if (glyph_index == 0) - continue; - -#if SCREEN_LCD - if (FT_Load_Glyph(*j, glyph_index, FT_LOAD_RENDER | FT_LOAD_TARGET_LCD)) -#else - if (FT_Load_Glyph(*j, glyph_index, FT_LOAD_RENDER)) -#endif - throw std::runtime_error("Couldn't load glyph"); - slot = (*j)->glyph; - break; - } + get_glyph(fonts, *i, &face, &glyph_index); if (glyph_index == 0) { - std::fprintf(stderr, "Warning: Could not find a glyph in any font for U+%x, ignoring\n", *i); + std::fprintf(stderr, "Warning: Could not find a glyph in any font for U+%04x, ignoring\n", *i); continue; } + if (use_lcd) { + if (FT_Load_Glyph(face, glyph_index, FT_LOAD_RENDER | FT_LOAD_TARGET_LCD)) + throw std::runtime_error("Couldn't load glyph"); + } else { + if (FT_Load_Glyph(face, glyph_index, FT_LOAD_RENDER)) + throw std::runtime_error("Couldn't load glyph"); + } + + FT_GlyphSlot slot = face->glyph; if (buf != NULL) { int y; FT_Bitmap *bm = &(slot->bitmap); @@ -84,38 +133,33 @@ unsigned my_draw_text(const widestring &str, unsigned char *buf, double size, in if (dsty < 0 || dsty > signed(screen_height-1)) continue; unsigned char *dst = buf + dsty * screen_width*4 + (x + xpos + slot->bitmap_left)*4; -#if SCREEN_LCD unsigned char *src = bm->buffer + y * bm->pitch; - int width = (x + xpos + slot->bitmap_left + bm->width/3 >= signed(screen_width)) ? ((screen_width-1) - x - xpos - slot->bitmap_left) : bm->width/3; -#else - unsigned char *src = bm->buffer + y * bm->pitch; - int width = (x + xpos + slot->bitmap_left + bm->width >= signed(screen_width)) ? ((screen_width-1) - x - xpos - slot->bitmap_left) : bm->width; -#endif - -#if SCREEN_LCD - for (xx = 0; xx < width; xx++) { - *dst = (*dst * (256-src[2]) + b * src[2]) >> 8; - ++dst; - *dst = (*dst * (256-src[1]) + g * src[1]) >> 8; - ++dst; - *dst = (*dst * (256-src[0]) + r * src[0]) >> 8; - ++dst; - *dst++ = 0; - - src += 3; - } -#else - for (xx = 0; xx < width; xx++) { - *dst = (*dst * (256-*src) + b * *src) >> 8; - ++dst; - *dst = (*dst * (256-*src) + g * *src) >> 8; - ++dst; - *dst = (*dst * (256-*src) + r * *src) >> 8; - ++dst; - *dst++ = 0; - ++src; + if (use_lcd) { + int width = (x + xpos + slot->bitmap_left + bm->width/3 >= signed(screen_width)) ? ((screen_width-1) - x - xpos - slot->bitmap_left) : bm->width/3; + for (xx = 0; xx < width; xx++) { + *dst = (*dst * (256-src[2]) + b * src[2]) >> 8; + ++dst; + *dst = (*dst * (256-src[1]) + g * src[1]) >> 8; + ++dst; + *dst = (*dst * (256-src[0]) + r * src[0]) >> 8; + ++dst; + *dst++ = 0; + + src += 3; + } + } else { + int width = (x + xpos + slot->bitmap_left + bm->width >= signed(screen_width)) ? ((screen_width-1) - x - xpos - slot->bitmap_left) : bm->width; + for (xx = 0; xx < width; xx++) { + *dst = (*dst * (256-*src) + b * *src) >> 8; + ++dst; + *dst = (*dst * (256-*src) + g * *src) >> 8; + ++dst; + *dst = (*dst * (256-*src) + r * *src) >> 8; + ++dst; + *dst++ = 0; + ++src; + } } -#endif } } @@ -125,30 +169,30 @@ unsigned my_draw_text(const widestring &str, unsigned char *buf, double size, in return x * LOGICAL_SCREEN_WIDTH / screen_width; } -void my_draw_text_deferred(std::vector &td, const widestring &str, double size, int xpos, int ypos) +void my_draw_text_deferred(std::vector &td, const widestring &str, double size, const std::string &theme_element, const std::string &fresh_theme_element, int xpos, int ypos) { TextDefer newtd; newtd.str = str; newtd.size = size; newtd.xpos = xpos; newtd.ypos = ypos; + newtd.theme_element = theme_element; + newtd.fresh_theme_element = fresh_theme_element; td.push_back(newtd); } void draw_all_deferred_text(unsigned char *buf, std::vector ¤t, std::vector &old) { for (unsigned i = 0; i < current.size(); ++i) { - int r, g, b; + std::string theme_element; if (i < old.size() && current[i].str != old[i].str) { // changed text - r = 255; - g = 0; - b = 0; + theme_element = current[i].fresh_theme_element; } else { - r = g = b = 255; + theme_element = current[i].theme_element; } - my_draw_text(current[i].str, buf, current[i].size, current[i].xpos, current[i].ypos, r, g, b); + my_draw_text(current[i].str, buf, current[i].size, theme_element, current[i].xpos, current[i].ypos); } }