106 static void lv_tiny_ttf_cache_create(ttf_font_desc_t * dsc);
129     ttf_font_desc_t * dsc = (ttf_font_desc_t *)font->dsc;  in lv_tiny_ttf_set_size()  local
130     dsc->scale = stbtt_ScaleForMappingEmToPixels(&dsc->info, font_size);  in lv_tiny_ttf_set_size()
132     stbtt_GetFontVMetrics(&dsc->info, &dsc->ascent, &dsc->descent, &line_gap);  in lv_tiny_ttf_set_size()
133     font->line_height = (int32_t)(dsc->scale * (dsc->ascent - dsc->descent + line_gap));  in lv_tiny_ttf_set_size()
134     font->base_line = (int32_t)(dsc->scale * (line_gap - dsc->descent));  in lv_tiny_ttf_set_size()
138     if(dsc->glyph_cache) {  in lv_tiny_ttf_set_size()
139         lv_cache_destroy(dsc->glyph_cache, NULL);  in lv_tiny_ttf_set_size()
140         dsc->glyph_cache = NULL;  in lv_tiny_ttf_set_size()
143     if(dsc->draw_data_cache) {  in lv_tiny_ttf_set_size()
144         lv_cache_destroy(dsc->draw_data_cache, NULL);  in lv_tiny_ttf_set_size()
145         dsc->draw_data_cache = NULL;  in lv_tiny_ttf_set_size()
148     lv_tiny_ttf_cache_create(dsc);  in lv_tiny_ttf_set_size()
155     if(font->dsc != NULL) {  in lv_tiny_ttf_destroy()
156         ttf_font_desc_t * ttf = (ttf_font_desc_t *)font->dsc;  in lv_tiny_ttf_destroy()
165         font->dsc = NULL;  in lv_tiny_ttf_destroy()
222     ttf_font_desc_t * dsc = (ttf_font_desc_t *)font->dsc;  in ttf_get_glyph_dsc_cb()  local
229 … lv_cache_entry_t * entry = lv_cache_acquire_or_create(dsc->glyph_cache, &search_key, (void *)dsc);  in ttf_get_glyph_dsc_cb()
232         if(!dsc->cache_size) {  /* no cache, do everything directly */  in ttf_get_glyph_dsc_cb()
233             uint32_t g1 = stbtt_FindGlyphIndex(&dsc->info, (int)unicode_letter);  in ttf_get_glyph_dsc_cb()
234             tiny_ttf_glyph_cache_create_cb(&search_key, dsc);  in ttf_get_glyph_dsc_cb()
241 …int g2 = stbtt_FindGlyphIndex(&dsc->info, (int)unicode_letter_next); /* not using cache, only do g…  in ttf_get_glyph_dsc_cb()
243                     int k = stbtt_GetGlyphKernAdvance(&dsc->info, g1, g2);  in ttf_get_glyph_dsc_cb()
244                     dsc_out->adv_w = (uint16_t)floor((((float)adv_w + (float)k) * dsc->scale) +  in ttf_get_glyph_dsc_cb()
259     lv_cache_release(dsc->glyph_cache, entry, NULL);  in ttf_get_glyph_dsc_cb()
268 …ache_entry_t * entry_next = lv_cache_acquire_or_create(dsc->glyph_cache, &search_key, (void *)dsc);  in ttf_get_glyph_dsc_cb()
271             g2 = stbtt_FindGlyphIndex(&dsc->info, (int)unicode_letter_next);  in ttf_get_glyph_dsc_cb()
275             lv_cache_release(dsc->glyph_cache, entry_next, NULL);  in ttf_get_glyph_dsc_cb()
279             int k = stbtt_GetGlyphKernAdvance(&dsc->info, g1, g2);  in ttf_get_glyph_dsc_cb()
280             dsc_out->adv_w = (uint16_t)floor((((float)adv_w + (float)k) * dsc->scale) +  in ttf_get_glyph_dsc_cb()
294     ttf_font_desc_t * dsc = (ttf_font_desc_t *)font->dsc;  in ttf_get_glyph_bitmap_cb()  local
300 …ache_entry_t * entry = lv_cache_acquire_or_create(dsc->draw_data_cache, &search_key, (void *)font-…  in ttf_get_glyph_bitmap_cb()
302         if(!dsc->cache_size) {  /* no cache, do everything directly */  in ttf_get_glyph_bitmap_cb()
303             if(tiny_ttf_draw_data_cache_create_cb(&search_key, (void *)font->dsc)) {  in ttf_get_glyph_bitmap_cb()
325     ttf_font_desc_t * dsc = (ttf_font_desc_t *)font->dsc;  in ttf_release_glyph_cb()  local
326     if(!dsc->cache_size) {  /* no cache, do everything directly */  in ttf_release_glyph_cb()
333         lv_cache_release(dsc->draw_data_cache, g_dsc->entry, NULL);  in ttf_release_glyph_cb()
338 static void lv_tiny_ttf_cache_create(ttf_font_desc_t * dsc)  in lv_tiny_ttf_cache_create()  argument
341 …dsc->glyph_cache = lv_cache_create(&lv_cache_class_lru_rb_count, sizeof(tiny_ttf_glyph_cache_data_…  in lv_tiny_ttf_cache_create()
347     lv_cache_set_name(dsc->glyph_cache, "TINY_TTF_GLYPH");  in lv_tiny_ttf_cache_create()
349 …dsc->draw_data_cache = lv_cache_create(&lv_cache_class_lru_rb_count, sizeof(tiny_ttf_cache_data_t)…  in lv_tiny_ttf_cache_create()
355     lv_cache_set_name(dsc->draw_data_cache, "TINY_TTF_DRAW_DATA");  in lv_tiny_ttf_cache_create()
366     ttf_font_desc_t * dsc = lv_malloc_zeroed(sizeof(ttf_font_desc_t));  in lv_tiny_ttf_create()  local
367     if(dsc == NULL) {  in lv_tiny_ttf_create()
373         if(LV_FS_RES_OK != lv_fs_open(&dsc->file, path, LV_FS_MODE_RD)) {  in lv_tiny_ttf_create()
374             lv_free(dsc);  in lv_tiny_ttf_create()
378         dsc->stream.file = &dsc->file;  in lv_tiny_ttf_create()
381         dsc->stream.data = (const uint8_t *)data;  in lv_tiny_ttf_create()
382         dsc->stream.size = data_size;  in lv_tiny_ttf_create()
384 …  if(0 == stbtt_InitFont(&dsc->info, &dsc->stream, stbtt_GetFontOffsetForIndex(&dsc->stream, 0))) {  in lv_tiny_ttf_create()
385         lv_free(dsc);  in lv_tiny_ttf_create()
391     dsc->stream = (const uint8_t *)data;  in lv_tiny_ttf_create()
392     if(0 == stbtt_InitFont(&dsc->info, dsc->stream, stbtt_GetFontOffsetForIndex(dsc->stream, 0))) {  in lv_tiny_ttf_create()
393         lv_free(dsc);  in lv_tiny_ttf_create()
399     dsc->cache_size = cache_size;  in lv_tiny_ttf_create()
403         lv_free(dsc);  in lv_tiny_ttf_create()
409     if(stbtt_KernTableCheck(&dsc->info) == 0) {  in lv_tiny_ttf_create()
413     dsc->kerning = kerning;  in lv_tiny_ttf_create()
419     out_font->dsc = dsc;  in lv_tiny_ttf_create()
451     ttf_font_desc_t * dsc = (ttf_font_desc_t *)user_data;  in tiny_ttf_glyph_cache_create_cb()  local
456     int g1 = stbtt_FindGlyphIndex(&dsc->info, (int)unicode_letter);  in tiny_ttf_glyph_cache_create_cb()
463     stbtt_GetGlyphBitmapBox(&dsc->info, g1, dsc->scale, dsc->scale, &x1, &y1, &x2, &y2);  in tiny_ttf_glyph_cache_create_cb()
466     stbtt_GetGlyphHMetrics(&dsc->info, g1, &advw, &lsb);  in tiny_ttf_glyph_cache_create_cb()
467     if(dsc->kerning != LV_FONT_KERNING_NORMAL) { /* calculate default advance */  in tiny_ttf_glyph_cache_create_cb()
468         int k = stbtt_GetGlyphKernAdvance(&dsc->info, g1, 0);  in tiny_ttf_glyph_cache_create_cb()
469         dsc_out->adv_w = (uint16_t)floor((((float)advw + (float)k) * dsc->scale) +  in tiny_ttf_glyph_cache_create_cb()
473         dsc_out->adv_w = (uint16_t)floor(((float)advw * dsc->scale) +  in tiny_ttf_glyph_cache_create_cb()
513     ttf_font_desc_t * dsc = (ttf_font_desc_t *)user_data;  in tiny_ttf_draw_data_cache_create_cb()  local
515     const stbtt_fontinfo * info = (const stbtt_fontinfo *)&dsc->info;  in tiny_ttf_draw_data_cache_create_cb()
517     stbtt_GetGlyphBitmapBox(info, g1, dsc->scale, dsc->scale, &x1, &y1, &x2, &y2);  in tiny_ttf_draw_data_cache_create_cb()
531     stbtt_MakeGlyphBitmap(info, draw_buf->data, w, h, stride, dsc->scale, dsc->scale, g1);  in tiny_ttf_draw_data_cache_create_cb()