main(int argc,
char **argv)
{
char *file1, *file2, *fileout;
l_int32 d;
l_float32 fract;
PIX *pixs1, *pixs2, *pixt1, *pixt2, *pixt3, *pixt4, *pixd;
static char mainName[] = "blendtest1";
if (argc != 5)
exit(ERROR_INT(" Syntax: blendtest1 file1 file2 fract fileout",
mainName, 1));
file1 = argv[1];
file2 = argv[2];
fract = atof(argv[3]);
fileout = argv[4];
if ((pixs1 = pixRead(file1)) == NULL)
exit(ERROR_INT("pixs1 not made", mainName, 1));
if ((pixs2 = pixRead(file2)) == NULL)
exit(ERROR_INT("pixs2 not made", mainName, 1));
#if 0
d = pixGetDepth(pixs2);
if (d == 1) {
pixt1 = pixBlend(pixs1, pixs2, X, Y, fract);
pixt2 = pixBlend(pixt1, pixs2, X, Y + 60, fract);
pixt3 = pixBlend(pixt2, pixs2, X, Y + 120, fract);
pixt4 = pixBlend(pixt3, pixs2, X, Y + 180, fract);
pixt5 = pixBlend(pixt4, pixs2, X, Y + 240, fract);
pixd = pixBlend(pixt5, pixs2, X, Y + 300, fract);
pixWrite(fileout, pixd, IFF_DEFAULT);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
}
else {
pixt1 = pixBlend(pixs1, pixs2, X, Y, fract);
pixt2 = pixBlend(pixt1, pixs2, X + 80, Y + 80, fract);
pixt3 = pixBlend(pixt2, pixs2, X + 160, Y + 160, fract);
pixt4 = pixBlend(pixt3, pixs2, X + 240, Y + 240, fract);
pixt5 = pixBlend(pixt4, pixs2, X + 320, Y + 320, fract);
pixd = pixBlend(pixt5, pixs2, X + 360, Y + 360, fract);
pixWrite(fileout, pixd, IFF_DEFAULT);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
}
pixDestroy(&pixd);
#endif
#if 1 /* e.g., weasel8.png with fract = 0.3 */
pixSnapColor(pixs2, pixs2, 0xff, 0xff, 50);
pixBlendGray(pixs1, pixs1, pixs2, 200, 100, fract,
L_BLEND_GRAY, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 200, fract,
L_BLEND_GRAY, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 260, fract,
L_BLEND_GRAY, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 340, fract,
L_BLEND_GRAY, 1, 0xff);
pixWrite(fileout, pixs1, IFF_JFIF_JPEG);
pixDisplay(pixs1, 200, 200);
#endif
#if 0 /* e.g., weasel8.png with fract = 0.5 */
pixSnapColor(pixs2, pixs2, 0xff, 0xff, 50);
pixBlendGray(pixs1, pixs1, pixs2, 200, 100, fract,
L_BLEND_GRAY_WITH_INVERSE, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 200, fract,
L_BLEND_GRAY_WITH_INVERSE, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 260, fract,
L_BLEND_GRAY_WITH_INVERSE, 1, 0xff);
pixBlendGray(pixs1, pixs1, pixs2, 200, 340, fract,
L_BLEND_GRAY_WITH_INVERSE, 1, 0xff);
pixWrite(fileout, pixs1, IFF_JFIF_JPEG);
pixDisplay(pixs1, 200, 200);
#endif
#if 0 /* e.g., weasel32.png with fract = 0.2 */
pixSnapColor(pixs2, pixs2, 0xffffff00, 0xffffff00, 50);
pixBlendColor(pixs1, pixs1, pixs2, 200, 100, fract, 1, 0xffffff00);
pixBlendColor(pixs1, pixs1, pixs2, 200, 200, fract, 1, 0xffffff00);
pixBlendColor(pixs1, pixs1, pixs2, 200, 260, fract, 1, 0xffffff00);
pixBlendColor(pixs1, pixs1, pixs2, 200, 340, fract, 1, 0xffffff00);
pixWrite(fileout, pixs1, IFF_JFIF_JPEG);
pixDisplay(pixs1, 200, 200);
#endif
pixDestroy(&pixs1);
pixDestroy(&pixs2);
exit(0);
}
int main(int argc,
char **argv)
{
PIX *pixs, *pixc, *pixd;
PIXA *pixa;
static char mainName[] = "snapcolortest";
if (argc != 1)
return ERROR_INT(" Syntax: snapcolortest", mainName, 1);
if ((pixs = pixRead("Leptonica.jpg")) == NULL)
return ERROR_INT("pixs not made", mainName, 1);
pixa = pixaCreate(0);
/* First, snap the color directly on the input rgb image. */
pixSaveTiledOutline(pixs, pixa, 1.0, 1, 25, 2, 32);
pixd = pixSnapColor(NULL, pixs, 0xffffff00, LEPTONICA_YELLOW, 30);
pixSaveTiledOutline(pixd, pixa, 1.0, 0, 25, 2, 32);
pixWrite("/tmp/logo1.jpg", pixd, IFF_JFIF_JPEG);
pixDestroy(&pixd);
/* Then make a colormapped version and snap the color */
pixd = pixOctreeQuantNumColors(pixs, 250, 0);
pixSaveTiledOutline(pixd, pixa, 1.0, 1, 25, 2, 32);
pixSnapColor(pixd, pixd, 0xffffff00, LEPTONICA_YELLOW, 30);
pixSaveTiledOutline(pixd, pixa, 1.0, 0, 25, 2, 32);
pixWrite("/tmp/logo2.png", pixd, IFF_PNG);
pixDestroy(&pixd);
pixDestroy(&pixs);
/* Set the background of the google searchbox to yellow.
* The input image is colormapped with all 256 colors used. */
if ((pixs = pixRead("google-searchbox.png")) == NULL)
return ERROR_INT("pixs not made", mainName, 1);
pixSaveTiledOutline(pixs, pixa, 1.0, 1, 25, 2, 32);
pixd = pixSnapColor(NULL, pixs, 0xffffff00, LEPTONICA_YELLOW, 30);
pixSaveTiledOutline(pixd, pixa, 1.0, 0, 25, 2, 32);
pixWrite("/tmp/logo3.png", pixd, IFF_PNG);
pixDestroy(&pixd);
pixDestroy(&pixs);
/* A couple of more, setting pixels near white to strange colors */
pixs = pixRead("weasel4.11c.png");
pixSaveTiledOutline(pixs, pixa, 1.0, 1, 25, 2, 32);
pixd = pixSnapColor(NULL, pixs, 0xfefefe00, 0x80800000, 50);
pixSaveTiledOutline(pixd, pixa, 1.0, 0, 25, 2, 32);
pixDestroy(&pixs);
pixDestroy(&pixd);
pixs = pixRead("wyom.jpg");
pixc = pixFixedOctcubeQuant256(pixs, 0);
pixSaveTiledOutline(pixc, pixa, 1.0, 1, 25, 2, 32);
pixd = pixSnapColor(NULL, pixc, 0xf0f0f000, 0x80008000, 100);
pixSaveTiledOutline(pixd, pixa, 1.0, 0, 25, 2, 32);
pixDestroy(&pixs);
pixDestroy(&pixc);
pixDestroy(&pixd);
/* --- Display results --- */
pixd = pixaDisplay(pixa, 0, 0);
pixDisplay(pixd, 100, 100);
pixWrite("/tmp/snap.jpg", pixd, IFF_PNG);
pixDestroy(&pixd);
pixaDestroy(&pixa);
return 0;
}