gdImagePalettePixel 2821 libgd/gd.c     			p1 = im1->trueColor ? gdImageTrueColorPixel(im1, x, y) : gdImagePalettePixel(im1, x, y);
gdImagePalettePixel 2822 libgd/gd.c     			p2 = im2->trueColor ? gdImageTrueColorPixel(im2, x, y) : gdImagePalettePixel(im2, x, y);