int main(int argc, const char **argv) {
int res = CGRESULT_UNSPECIFIED;
int w = 850;
int h = 850;
int size = w*h;
int w1, h1;
double *r1 = new double[size];
double *g1 = new double[size];
double *b1 = new double[size];
int w2, h2;
double *r2 = new double[size];
double *g2 = new double[size];
double *b2 = new double[size];
int w3, h3;
double *r3 = new double[size];
double *g3 = new double[size];
double *b3 = new double[size];
graphics_readImageRGB(argv[1], "bmp", &w, &h, &w1, &h1, r1, g1, b1, 0, &res);
if (res != CGRESULT_OK)
goto finish;
graphics_readImageRGB(argv[2], "bmp", &w, &h, &w2, &h2, r2, g2, b2, 0, &res);
if (res != CGRESULT_OK)
goto finish;
if (w1 != w2 || h1 != h2) {
res = CGRESULT_UNSPECIFIED + CGRESULT_BAD_DIMENSION;
goto finish;
}
res = imageDiff(size, r1, g1, b1, r2, g2, b2, r3, g3, b3);
if (res != CGRESULT_OK)
goto finish;
graphics_writeImageRGB(argv[3], "bmp", &w1, &h1, r3, g3, b3, 0, &res);
finish:
delete[] r1;
delete[] g1;
delete[] b1;
delete[] r2;
delete[] g2;
delete[] b2;
delete[] r3;
delete[] g3;
delete[] b3;
std::cout << "result=" << res << std::endl;
return res;
}
int main(int argc, char **argv)
{
gdImagePtr A, B, C;
unsigned char black, white;
unsigned int minSX, minSY, maxSX, maxSY;
bool rc;
#ifdef HAVE_GD_PNG
FILE *f;
#endif
if (argc < 3) {
fprintf(stderr, "Usage: diffimg image1 image2 [outimage]\n");
exit(EX_USAGE);
}
A = imageLoad(argv[1]);
B = imageLoad(argv[2]);
minSX = (gdImageSX(A) < gdImageSX(B)) ? gdImageSX(A) : gdImageSX(B);
minSY = (gdImageSY(A) < gdImageSY(B)) ? gdImageSY(A) : gdImageSY(B);
maxSX = (gdImageSX(A) > gdImageSX(B)) ? gdImageSX(A) : gdImageSX(B);
maxSY = (gdImageSY(A) > gdImageSY(B)) ? gdImageSY(A) : gdImageSY(B);
C = gdImageCreatePalette (maxSX, maxSY);
white = gdImageColorAllocate(C, gdRedMax, gdGreenMax, gdBlueMax);
black = gdImageColorAllocate(C, 0, 0, 0);
if (maxSX > minSX && maxSY > minSY)
gdImageFilledRectangle(C, minSX, minSY, maxSX-1, maxSY-1, black);
rc = imageDiff (A, B, C, minSX, minSY, black, white);
#ifdef HAVE_GD_PNG
if ((argc > 3) && ((f = fopen(argv[3], "wb")))) {
gdImagePng (C, f);
fclose(f);
}
else
gdImagePng (C, stdout);
#else
fprintf(stderr, "PNG output support is not available\n");
#endif
gdImageDestroy(A);
gdImageDestroy(B);
gdImageDestroy(C);
return (rc ? EXIT_FAILURE : EXIT_SUCCESS);
}
