diff options
Diffstat (limited to 'source/blender/blenfont/intern/blf_thumbs.c')
| -rw-r--r-- | source/blender/blenfont/intern/blf_thumbs.c | 143 |
1 files changed, 73 insertions, 70 deletions
diff --git a/source/blender/blenfont/intern/blf_thumbs.c b/source/blender/blenfont/intern/blf_thumbs.c index bbab5110e0e..f2036d2e4e9 100644 --- a/source/blender/blenfont/intern/blf_thumbs.c +++ b/source/blender/blenfont/intern/blf_thumbs.c @@ -48,75 +48,78 @@ * * \note called from a thread, so it bypasses the normal BLF_* api (which isn't thread-safe). */ -void BLF_thumb_preview( - const char *filename, - const char **draw_str, const unsigned char draw_str_lines, - const float font_color[4], const int font_size, - unsigned char *buf, int w, int h, int channels) +void BLF_thumb_preview(const char *filename, + const char **draw_str, + const unsigned char draw_str_lines, + const float font_color[4], + const int font_size, + unsigned char *buf, + int w, + int h, + int channels) { - const unsigned int dpi = 72; - const int font_size_min = 6; - int font_size_curr; - /* shrink 1/th each line */ - int font_shrink = 4; - - FontBLF *font; - int i; - - /* Create a new blender font obj and fill it with default values */ - font = blf_font_new("thumb_font", filename); - if (!font) { - printf("Info: Can't load font '%s', no preview possible\n", filename); - return; - } - - /* Would be done via the BLF API, but we're not using a fontid here */ - font->buf_info.cbuf = buf; - font->buf_info.ch = channels; - font->buf_info.w = w; - font->buf_info.h = h; - - /* Always create the image with a white font, - * the caller can theme how it likes */ - memcpy(font->buf_info.col_init, font_color, sizeof(font->buf_info.col_init)); - font->pos[1] = (float)h; - - font_size_curr = font_size; - - blf_draw_buffer__start(font); - - for (i = 0; i < draw_str_lines; i++) { - const char *draw_str_i18n = BLT_translate_do(BLT_I18NCONTEXT_DEFAULT, draw_str[i]); - const size_t draw_str_i18n_len = strlen(draw_str_i18n); - int draw_str_i18n_nbr = 0; - - blf_font_size(font, (unsigned int)MAX2(font_size_min, font_size_curr), dpi); - - /* font->glyph_cache remains NULL if blf_font_size() failed to set font size */ - if (!font->glyph_cache) - break; - - /* decrease font size each time */ - font_size_curr -= (font_size_curr / font_shrink); - font_shrink += 1; - - font->pos[1] -= font->glyph_cache->ascender * 1.1f; - - /* We fallback to default english strings in case not enough chars are available in current font for given - * translated string (useful in non-latin i18n context, like chinese, since many fonts will then show - * nothing but ugly 'missing char' in their preview). - * Does not handle all cases, but much better than nothing. - */ - if (blf_font_count_missing_chars( - font, draw_str_i18n, draw_str_i18n_len, &draw_str_i18n_nbr) > (draw_str_i18n_nbr / 2)) - { - blf_font_draw_buffer(font, draw_str[i], strlen(draw_str[i]), NULL); - } - else { - blf_font_draw_buffer(font, draw_str_i18n, draw_str_i18n_len, NULL); - } - } - - blf_draw_buffer__end(); - blf_font_free(font); + const unsigned int dpi = 72; + const int font_size_min = 6; + int font_size_curr; + /* shrink 1/th each line */ + int font_shrink = 4; + + FontBLF *font; + int i; + + /* Create a new blender font obj and fill it with default values */ + font = blf_font_new("thumb_font", filename); + if (!font) { + printf("Info: Can't load font '%s', no preview possible\n", filename); + return; + } + + /* Would be done via the BLF API, but we're not using a fontid here */ + font->buf_info.cbuf = buf; + font->buf_info.ch = channels; + font->buf_info.w = w; + font->buf_info.h = h; + + /* Always create the image with a white font, + * the caller can theme how it likes */ + memcpy(font->buf_info.col_init, font_color, sizeof(font->buf_info.col_init)); + font->pos[1] = (float)h; + + font_size_curr = font_size; + + blf_draw_buffer__start(font); + + for (i = 0; i < draw_str_lines; i++) { + const char *draw_str_i18n = BLT_translate_do(BLT_I18NCONTEXT_DEFAULT, draw_str[i]); + const size_t draw_str_i18n_len = strlen(draw_str_i18n); + int draw_str_i18n_nbr = 0; + + blf_font_size(font, (unsigned int)MAX2(font_size_min, font_size_curr), dpi); + + /* font->glyph_cache remains NULL if blf_font_size() failed to set font size */ + if (!font->glyph_cache) + break; + + /* decrease font size each time */ + font_size_curr -= (font_size_curr / font_shrink); + font_shrink += 1; + + font->pos[1] -= font->glyph_cache->ascender * 1.1f; + + /* We fallback to default english strings in case not enough chars are available in current font for given + * translated string (useful in non-latin i18n context, like chinese, since many fonts will then show + * nothing but ugly 'missing char' in their preview). + * Does not handle all cases, but much better than nothing. + */ + if (blf_font_count_missing_chars(font, draw_str_i18n, draw_str_i18n_len, &draw_str_i18n_nbr) > + (draw_str_i18n_nbr / 2)) { + blf_font_draw_buffer(font, draw_str[i], strlen(draw_str[i]), NULL); + } + else { + blf_font_draw_buffer(font, draw_str_i18n, draw_str_i18n_len, NULL); + } + } + + blf_draw_buffer__end(); + blf_font_free(font); } |