gdImagePalettePixel 3448 ext/gd/libgd/gd.c 			p1 = im1->trueColor ? gdImageTrueColorPixel(im1, x, y) : gdImagePalettePixel(im1, x, y);
gdImagePalettePixel 3449 ext/gd/libgd/gd.c 			p2 = im2->trueColor ? gdImageTrueColorPixel(im2, x, y) : gdImagePalettePixel(im2, x, y);