Searched defs:alpha (Results 1 - 6 of 6) sorted by relevance

/PHP_TRUNK/ext/gd/libgd/
H A Dgd_filter.c187 int gdImageColor(gdImagePtr src, const int red, const int green, const int blue, const int alpha) argument
213 a = a + alpha;
H A Dwebpng.c190 int maxx, maxy, x, y, alpha, pix, nalpha = 0; local
195 printf("alpha channel information:\n");
201 alpha = gdTrueColorGetAlpha(pix);
203 if (alpha > gdAlphaOpaque) {
209 alpha);
219 printf("%d alpha channels\n", nalpha);
239 " -a Prints all alpha channels that are not 100%% opaque.\n"
H A Dgd.c209 /* 2.0.2: alpha blending is now on by default, and saving of alpha is
212 * for smaller PNGs when saving of alpha channel is not really
284 ad = im->alpha[i] - a;
470 if ((im->red[i] == r) && (im->green[i] == g) && (im->blue[i] == b) && (im->alpha[i] == a)) {
505 im->alpha[ct] = a;
555 ad = (long) (im->alpha[c] - a);
580 im->alpha[op] = a;
598 im->alpha[im->transparent] = gdAlphaOpaque;
601 im->alpha[colo
2468 double red = 0.0, green = 0.0, blue = 0.0, alpha = 0.0; local
2875 int dst_alpha, alpha, red, green, blue; local
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H A Dgd.h73 Where 'A' (alpha channel) occupies only the
75 loss of alpha channel resolution allows gd 2.x
103 based on the alpha channel value of the source color.
175 'alpha', which appears later in the structure to
190 full alpha channel for PNG and provide
205 /* New in 2.0: alpha channel for palettes. Note that only
213 int alpha[gdMaxColors]; member in struct:gdImageStruct
218 /* Should alpha channel be copied, or applied, each time a
220 No attempt is made to alpha-blend in palette images,
227 /* Should the alpha channe
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H A Dgd_interpolation.c619 register int alpha, red, green, blue; local
624 alpha = src_alpha * dst_alpha / gdAlphaMax;
633 return ((alpha << 24) + (red << 16) + (green << 8) + blue);
695 #define colorIndex2RGBA(c) gdTrueColorAlpha(im->red[(c)], im->green[(c)], im->blue[(c)], im->alpha[(c)])
696 #define colorIndex2RGBcustomA(c, a) gdTrueColorAlpha(im->red[(c)], im->green[(c)], im->blue[(c)], im->alpha[(a)])
779 a = (int)(m1*im->alpha[(c1)] + m2*im->alpha[(c2)] + m3*im->alpha[(c3)] + m4*im->alpha[(c4)]);
1223 new_img->transparent = gdTrueColorAlpha(im->red[transparent], im->green[transparent], im->blue[transparent], im->alpha[transparen
1282 const char alpha = (char) gd_fxtoi(gd_mulfx(f_w1, f_a1) + gd_mulfx(f_w2, f_a2) + gd_mulfx(f_w3, f_a3) + gd_mulfx(f_w4, f_a4)); local
1369 const unsigned char alpha = (unsigned char) gd_fxtoi(gd_mulfx(f_w1, f_a1) + gd_mulfx(f_w2, f_a2) + gd_mulfx(f_w3, f_a3) + gd_mulfx(f_w4, f_a4)); local
1438 unsigned char red, green, blue, alpha = 0; local
1874 const unsigned char alpha = (unsigned char) CLAMP(gd_fxtoi(f_alpha), 0, 127); local
1934 unsigned char red, green, blue, alpha; local
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/PHP_TRUNK/ext/gd/
H A Dgd.c222 ZEND_ARG_INFO(0, alpha)
230 ZEND_ARG_INFO(0, alpha)
238 ZEND_ARG_INFO(0, alpha)
246 ZEND_ARG_INFO(0, alpha)
465 ZEND_ARG_INFO(0, alpha)
1666 Turn alpha blending mode on or off for the given image */
1688 Include alpha channel to a saved image */
1710 Set the alpha blending flag to use the bundled libgd layering effects */
1731 /* {{{ proto int imagecolorallocatealpha(resource im, int red, int green, int blue, int alpha)
1732 Allocate a color with an alpha leve
1736 zend_long red, green, blue, alpha; local
1761 zend_long red, green, blue, alpha; local
1781 zend_long red, green, blue, alpha; local
1801 zend_long red, green, blue, alpha; local
2940 zend_long color, red, green, blue, alpha = 0; local
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