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Searched refs:gdAlphaMax (Results 1 – 4 of 4) sorted by relevance

/PHP-5.4/ext/gd/libgd/
H A Dgdft.c575 gdAlphaMax - (gdTrueColorGetAlpha (fg) * pixel / NUMCOLORS));
621 level = (bitmap.buffer[pc] * gdAlphaMax / (bitmap.num_grays - 1));
634 level = level * (gdAlphaMax - gdTrueColorGetAlpha(fg)) / gdAlphaMax;
636 level = gdAlphaMax - level;
646 if (level < (gdAlphaMax / 2)) {
H A Dgd.c2551 if (alpha > gdAlphaMax) { in gdImageCopyResampled()
2552 alpha = gdAlphaMax; in gdImageCopyResampled()
2864 gdTrueColorGetRed (src) / gdAlphaMax) + in gdAlphaBlendOld()
2866 gdTrueColorGetRed (dst)) / gdAlphaMax) << 16) + in gdAlphaBlendOld()
2868 gdTrueColorGetGreen (src) / gdAlphaMax) + in gdAlphaBlendOld()
2872 gdTrueColorGetBlue (src) / gdAlphaMax) + in gdAlphaBlendOld()
2874 gdTrueColorGetBlue (dst)) / gdAlphaMax)); in gdAlphaBlendOld()
2906 alpha = src_alpha * dst_alpha / gdAlphaMax; in gdAlphaBlend()
2942 a1 = gdAlphaMax - gdTrueColorGetAlpha(dst); in gdLayerOverlay()
2943 a2 = gdAlphaMax - gdTrueColorGetAlpha(src); in gdLayerOverlay()
[all …]
H A Dgd_png.c244 im->alpha[i] = gdAlphaMax - (trans[i] >> 1); in gdImageCreateFromPngCtx()
383 register png_byte a = gdAlphaMax - (row_pointers[h][boffset++] >> 1); in gdImageCreateFromPngCtx()
H A Dgd.h81 #define gdAlphaMax 127 macro

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