Lines Matching full:do_background
8849 int do_background;
8864 int do_background, const png_color_16 *pointer_to_the_background_color,
8881 dp->do_background = do_background;
8882 if (do_background && pointer_to_the_background_color != 0)
8921 if (dp->do_background >= ALPHA_MODE_OFFSET)
8926 int mode = dp->do_background - ALPHA_MODE_OFFSET;
8975 if (dp->do_background)
8986 png_set_background(pp, &dp->background_color, dp->do_background,
8990 dp->do_background, 0/*need_expand*/, g);
9027 int do_background;
9099 vi->do_background = dp->do_background;
9101 if (vi->do_background != 0)
9128 vi->do_background = 0;
9130 if (vi->do_background == 0)
9150 gamma_component_compose(int do_background, double input_sample, double alpha,
9153 switch (do_background)
9225 const int do_background = vi->do_background;
9239 if (alpha == 1 /* opaque pixel component */ || !do_background
9241 || do_background == ALPHA_MODE_OFFSET + PNG_ALPHA_PNG
9245 && do_background != ALPHA_MODE_OFFSET + PNG_ALPHA_BROKEN
9301 input_sample = gamma_component_compose(do_background, input_sample,
9319 if (do_background != ALPHA_MODE_OFFSET + PNG_ALPHA_BROKEN)
9333 if (do_background == ALPHA_MODE_OFFSET + PNG_ALPHA_OPTIMIZED &&
9505 tmp = gamma_component_compose(do_background, tmp, alpha, background,
9524 tmp = gamma_component_compose(do_background, tmp, alpha, background,
9617 switch (do_background)
9858 || in_bd != out_bd || in_ct != out_ct || vi.do_background;
9859 process_tRNS = dp->this.has_tRNS && vi.do_background;
10402 const int use_input_precision, const int do_background,
10412 switch (do_background)
10474 if (expand_16 && (do_background == PNG_BACKGROUND_GAMMA_UNIQUE ||
10475 do_background == PNG_BACKGROUND_GAMMA_FILE) &&
10524 if (do_background < ALPHA_MODE_OFFSET)
10546 0/*strip 16*/, expand_16, do_background, &background, bg);
10551 perform_gamma_composition_tests(png_modifier *pm, int do_background,
10580 pm->use_input_precision, do_background, expand_16);
10756 int do_background;
10765 for (do_background = ALPHA_MODE_OFFSET + PNG_ALPHA_STANDARD;
10766 do_background <= ALPHA_MODE_OFFSET + PNG_ALPHA_BROKEN && !fail(pm);
10767 ++do_background)
10768 perform_gamma_composition_tests(pm, do_background,
