Lines Matching refs:png_set_alpha_mode
1162 * The API function png_set_alpha_mode specifies which of these choices to use
1172 PNG_FP_EXPORT(227, void, png_set_alpha_mode, (png_structrp png_ptr, int mode,
1188 /* The following are examples of calls to png_set_alpha_mode to achieve the
1192 * png_set_alpha_mode(pp, PNG_ALPHA_PNG, PNG_DEFAULT_sRGB);
1198 * png_set_alpha_mode(pp, PNG_ALPHA_PNG, PNG_GAMMA_MAC);
1203 * png_set_alpha_mode(pp, PNG_ALPHA_STANDARD, PNG_GAMMA_LINEAR);
1212 * png_set_alpha_mode(pp, PNG_ALPHA_STANDARD, PNG_DEFAULT_sRGB);
1220 * png_set_alpha_mode(pp, PNG_ALPHA_OPTIMIZED, PNG_DEFAULT_sRGB);
1237 * png_set_alpha_mode(pp, PNG_ALPHA_BROKEN, PNG_DEFAULT_sRGB);
1246 * If you have PNG files with no gamma information png_set_alpha_mode allows
1250 * png_set_alpha_mode always sets the output gamma but only sets the PNG
1253 * png_set_alpha_mode(pp, PNG_ALPHA_PNG, PNG_DEFAULT_sRGB);
1254 * png_set_alpha_mode(pp, PNG_ALPHA_PNG, PNG_GAMMA_MAC);
1259 * fire if more than one call to png_set_alpha_mode and png_set_background is
1380 * These routines accept the same gamma values as png_set_alpha_mode (described
