4 #include "resolution.h"
6 std::vector<FT_Face> fonts;
12 if (FT_Init_FreeType(&library))
13 throw std::runtime_error("FreeType init failed.");
16 if (FT_New_Face(library, "/usr/share/fonts/truetype/msttcorefonts/Georgia.ttf", 0, &face))
17 throw std::runtime_error("Face opening failed.");
18 fonts.push_back(face);
21 if (FT_New_Face(library, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", 0, &face)) {
22 std::fprintf(stderr, "Warning: Couldn't open FreeSerif, some glyphs might not be available\n");
24 fonts.push_back(face);
28 if (FT_New_Face(library, "arialuni.ttf", 0, &face)) {
29 std::fprintf(stderr, "Warning: Couldn't open Arial Unicode MS, some glyphs might not be available\n");
31 fonts.push_back(face);
35 // this should really be done somehow else :-)
36 static unsigned screen_width = SCREEN_WIDTH, screen_height = SCREEN_HEIGHT;
37 void set_screen_size(unsigned width, unsigned height)
40 screen_height = height;
43 unsigned my_draw_text(const widestring &str, unsigned char *buf, double size, int xpos, int ypos, int r, int g, int b)
48 for (std::vector<FT_Face>::const_iterator i = fonts.begin(); i != fonts.end(); ++i) {
49 if (FT_Set_Char_Size(*i, 0, unsigned(size * 64.0), 96 * screen_width/LOGICAL_SCREEN_WIDTH, 96 * screen_height/LOGICAL_SCREEN_HEIGHT))
50 throw std::runtime_error("Couldn't set font size");
54 xpos = xpos * screen_width / LOGICAL_SCREEN_WIDTH;
55 ypos = ypos * screen_height / LOGICAL_SCREEN_HEIGHT;
57 for (widestring::const_iterator i = str.begin(); i != str.end(); ++i) {
59 for (std::vector<FT_Face>::const_iterator j = fonts.begin(); j != fonts.end(); ++j) {
60 glyph_index = FT_Get_Char_Index(*j, *i);
64 if (FT_Load_Glyph(*j, glyph_index, FT_LOAD_RENDER))
65 throw std::runtime_error("Couldn't load glyph");
69 if (glyph_index == 0) {
70 std::fprintf(stderr, "Warning: Could not find a glyph in any font for U+%x, ignoring\n", *i);
76 FT_Bitmap *bm = &(slot->bitmap);
77 for (y = 0; y < bm->rows; y++) {
79 int dsty = ypos - slot->bitmap_top + y;
80 if (dsty < 0 || dsty > signed(screen_height-1)) continue;
82 unsigned char *dst = buf + dsty * screen_width*4 + (x + xpos + slot->bitmap_left)*4;
83 unsigned char *src = bm->buffer + y * bm->width;
85 int width = (x + xpos + slot->bitmap_left + bm->width >= signed(screen_width)) ? ((screen_width-1) - x - xpos - slot->bitmap_left) : bm->width;
86 for (xx = 0; xx < width; xx++) {
87 *dst = (*dst * (256-*src) + b * *src) >> 8;
89 *dst = (*dst * (256-*src) + g * *src) >> 8;
91 *dst = (*dst * (256-*src) + r * *src) >> 8;
99 x += slot->advance.x >> 6;
102 return x * LOGICAL_SCREEN_WIDTH / screen_width;
105 void my_draw_text_deferred(std::vector<TextDefer> &td, const widestring &str, double size, int xpos, int ypos)
115 void draw_all_deferred_text(unsigned char *buf, std::vector<TextDefer> ¤t, std::vector<TextDefer> &old)
117 for (unsigned i = 0; i < current.size(); ++i) {
119 if (i < old.size() && current[i].str != old[i].str) {
128 my_draw_text(current[i].str, buf, current[i].size, current[i].xpos, current[i].ypos, r, g, b);