#include #include #include #include #include #include "../floatimg.h" /* -------------------------------------------------------------------- */ int fimg_lissage_2x2(FloatImg *img) { int x, y, offset; float cr, cg, cb; float *pr, *pg, *pb; #if DEBUG_LEVEL fprintf(stderr, ">>> %s ( %p )\n", __func__, img); fprintf(stderr," type %d size %dx%d\n", img->type, img->width, img->height); #endif pr = img->R; pg = img->G; pb = img->B; for (y=1; y < img->height-1; y++) { for (x=1; x < img->width-1; x++) { offset = x + (y * img->width); cr = pr[offset] + pr[offset+1] + pr[offset+img->width] + pr[offset+img->width+1]; cg = pg[offset] + pg[offset+1] + pg[offset+img->width] + pg[offset+img->width+1]; cb = pb[offset] + pb[offset+1] + pb[offset+img->width] + pb[offset+img->width+1]; pr[offset] = cr / 4.0; pg[offset] = cg / 4.0; pb[offset] = cb / 4.0; } } return 0; } /* -------------------------------------------------------------------- */ int fimg_killborders(FloatImg *img) { int idx, h, w, o; #if DEBUG_LEVEL fprintf(stderr, ">>> %s ( %p )\n", __func__, img); fprintf(stderr," type %d size %dx%d\n", img->type, img->width, img->height); #endif h = img->height; w = img->width; for (idx=0; idxR[idx*w] = 0.0; img->G[idx*w] = 0.0; img->B[idx*w] = 0.0; img->R[(idx*w)+w-1] = 0.0; img->G[(idx*w)+w-1] = 0.0; img->B[(idx*w)+w-1] = 0.0; #else fimg_plot_rgb(img, 0, idx, 0.0, 0.0, 0.0); fimg_plot_rgb(img, w-1, idx, 0.0, 0.0, 0.0); #endif } o = w * (h - 1); for (idx=0; idxR[idx] = 0.0; img->G[idx] = 0.0; img->B[idx] = 0.0; img->R[idx+o] = 0.0; img->G[idx+o] = 0.0; img->B[idx+o] = 0.0; #else fimg_plot_rgb(img, idx, 0, 0.0, 0.0, 0.0); fimg_plot_rgb(img, idx, h-1, 0.0, 0.0, 0.0); #endif } return -1; } /* -------------------------------------------------------------------- */