}
}
+void get_glyph(const std::vector<FT_Face> &fonts, wchar_t ch, FT_Face *face, int *glyph_index)
+{
+ *glyph_index = 0;
+ for (std::vector<FT_Face>::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_height;
void set_screen_size(unsigned width, unsigned height)
screen_height = height;
}
+void render_glyph(FT_GlyphSlot slot, int glyphx, int glyphy, unsigned char *buf, int r, int g, int b, bool use_lcd)
+{
+ FT_Bitmap *bm = &(slot->bitmap);
+ for (unsigned y = 0; y < bm->rows; y++) {
+ int xx;
+ int dsty = glyphy - slot->bitmap_top + y;
+ if (dsty < 0 || dsty > signed(screen_height-1)) continue;
+
+ unsigned char *dst = buf + dsty * screen_width*4 + (glyphx + slot->bitmap_left)*4;
+ unsigned char *src = bm->buffer + y * bm->pitch;
+ if (use_lcd) {
+ int width = (glyphx + slot->bitmap_left + bm->width/3 >= signed(screen_width)) ? ((screen_width-1) - glyphx - 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 = (glyphx + slot->bitmap_left + bm->width >= signed(screen_width)) ? ((screen_width-1) - glyphx - 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;
+ }
+ }
+ }
+}
+
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 start_xpos = xpos;
int r = atoi(get_theme_config(theme_element, "red").c_str());
int g = atoi(get_theme_config(theme_element, "green").c_str());
ypos = ypos * screen_height / LOGICAL_SCREEN_HEIGHT;
for (widestring::const_iterator i = str.begin(); i != str.end(); ++i) {
- int glyph_index = 0;
- for (std::vector<FT_Face>::const_iterator j = fonts.begin(); j != fonts.end(); ++j) {
- glyph_index = FT_Get_Char_Index(*j, *i);
- if (glyph_index == 0)
- continue;
-
- if (use_lcd) {
- if (FT_Load_Glyph(*j, glyph_index, FT_LOAD_RENDER | FT_LOAD_TARGET_LCD))
- throw std::runtime_error("Couldn't load glyph");
- } else {
- if (FT_Load_Glyph(*j, glyph_index, FT_LOAD_RENDER))
- throw std::runtime_error("Couldn't load glyph");
- }
- slot = (*j)->glyph;
- break;
- }
+ FT_Face face;
+ int glyph_index;
+ 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+%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");
+ }
+
if (buf != NULL) {
- int y;
- FT_Bitmap *bm = &(slot->bitmap);
- for (y = 0; y < bm->rows; y++) {
- int xx;
- int dsty = ypos - slot->bitmap_top + y;
- if (dsty < 0 || dsty > signed(screen_height-1)) continue;
-
- unsigned char *dst = buf + dsty * screen_width*4 + (x + xpos + slot->bitmap_left)*4;
- unsigned char *src = bm->buffer + y * bm->pitch;
- 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;
- }
- }
- }
+ render_glyph(face->glyph, xpos, ypos, buf, r, g, b, use_lcd);
}
- x += slot->advance.x >> 6;
+ xpos += face->glyph->advance.x / 64;
+ ypos -= face->glyph->advance.y / 64;
}
- return x * LOGICAL_SCREEN_WIDTH / screen_width;
+ return (xpos - start_xpos) * LOGICAL_SCREEN_WIDTH / screen_width;
}
void my_draw_text_deferred(std::vector<TextDefer> &td, const widestring &str, double size, const std::string &theme_element, const std::string &fresh_theme_element, int xpos, int ypos)
projects / ccbs / blobdiff