Lines Matching refs:font_alpha
68 uint8_t *font_alpha;
118 av_freep(&s->font_alpha);
174 s->font_alpha = NULL;
194 s->font_alpha = av_malloc(font_height * video_width);
195 if (!s->font_alpha)
198 memset(s->font_alpha, 0, font_height * video_width);
230 s->font_alpha[dy*video_width+dx] = face->glyph->bitmap.buffer[by*face->glyph->bitmap.width+bx];
244 av_freep(&s->font_alpha);
305 s->font_alpha = NULL;
525 if (s->font_alpha) {
530 uint8_t alpha = s->font_alpha[y*video_width+x];