Lines Matching refs:a
19 int r,g,b,a; in gdImageNegate() local
36 a = gdImageAlpha(src, pxl); in gdImageNegate()
38 new_pxl = gdImageColorAllocateAlpha(src, 255-r, 255-g, 255-b, a); in gdImageNegate()
40 new_pxl = gdImageColorClosestAlpha(src, 255-r, 255-g, 255-b, a); in gdImageNegate()
52 int r,g,b,a; in gdImageGrayScale() local
68 a = gdImageAlpha(src, pxl); in gdImageGrayScale()
71 new_pxl = gdImageColorAllocateAlpha(src, r, g, b, a); in gdImageGrayScale()
73 new_pxl = gdImageColorClosestAlpha(src, r, g, b, a); in gdImageGrayScale()
85 int r,g,b,a; in gdImageBrightness() local
106 a = gdImageAlpha(src, pxl); in gdImageBrightness()
116 new_pxl = gdImageColorAllocateAlpha(src, (int)r, (int)g, (int)b, a); in gdImageBrightness()
118 new_pxl = gdImageColorClosestAlpha(src, (int)r, (int)g, (int)b, a); in gdImageBrightness()
130 int r,g,b,a; in gdImageContrast() local
152 a = gdImageAlpha(src, pxl); in gdImageContrast()
176 new_pxl = gdImageColorAllocateAlpha(src, (int)rf, (int)gf, (int)bf, a); in gdImageContrast()
178 new_pxl = gdImageColorClosestAlpha(src, (int)rf, (int)gf, (int)bf, a); in gdImageContrast()
202 int r,g,b,a; in gdImageColor() local
208 a = gdImageAlpha(src, pxl); in gdImageColor()
213 a = a + alpha; in gdImageColor()
218 a = (a > 127)? 127 : ((a < 0)? 0 : a); in gdImageColor()
220 new_pxl = gdImageColorAllocateAlpha(src, r, g, b, a); in gdImageColor()
222 new_pxl = gdImageColorClosestAlpha(src, r, g, b, a); in gdImageColor()