C++ (Cpp) rgbdiff Examples

Example #1

File: square.c Project: svkampen/square

double rgbdiff_p(double rgb1_r, double rgb1_g,double rgb1_b,
				double rgb2_r, double rgb2_g, double rgb2_b) {
	double rgb1[3] = {rgb1_r, rgb1_g, rgb1_b};
	double rgb2[3] = {rgb2_r, rgb2_g, rgb2_b};
	return rgbdiff(rgb1, rgb2);
}

Example #2

File: imgd.c Project: faragon/libsrt

int main(int argc, const char **argv)
{
	size_t in_size = 0, enc_bytes, rgb1_bytes, rgb2_bytes;
	ssize_t written;
	struct RGB_Info ri1, ri2;
	srt_string *iobuf = NULL, *rgb1_buf = NULL, *rgb2_buf = NULL,
		   *rgb3_buf = NULL;
	int exit_code = 2;
	FILE *fin = NULL, *fout = NULL;
	const char *exit_msg = "not enough parameters";
	srt_bool ro;
	enum ImgTypes t_in1, t_in2, t_out;

#define IMGC_XTEST(test, m, c)                                                 \
	if (test) {                                                            \
		exit_msg = m;                                                  \
		exit_code = c;                                                 \
		break;                                                         \
	}

	for (;;) {
		if (argc < 2)
			break;
		ro = argc < 3 ? S_TRUE : S_FALSE;
		t_in1 = file_type(argv[1]);
		t_in2 = file_type(argv[2]);
		t_out = argc < 4 ? IMG_none : file_type(argv[3]);
		IMGC_XTEST(t_in1 == IMG_error || t_in2 == IMG_error
				   || t_out == IMG_error,
			   "invalid parameters",
			   t_in1 == IMG_error || t_in2 == IMG_error ? 3 : 4);

		fin = fopen(argv[1], "rb");
		iobuf = ss_dup_read(fin, MAX_FILE_SIZE);
		in_size = ss_size(iobuf);
		IMGC_XTEST(!in_size, "input #1 read error", 5);

		rgb1_bytes = any2rgb(&rgb1_buf, &ri1, iobuf, t_in1);
		IMGC_XTEST(!rgb1_bytes, "can not process input file #1", 6);

		fclose(fin);
		fin = fopen(argv[2], "rb");
		ss_read(&iobuf, fin, MAX_FILE_SIZE);
		in_size = ss_size(iobuf);
		IMGC_XTEST(!in_size, "input #2 read error", 7);

		rgb2_bytes = any2rgb(&rgb2_buf, &ri2, iobuf, t_in2);
		IMGC_XTEST(!rgb2_bytes, "can not process input file #2", 8);

		IMGC_XTEST(ss_size(rgb1_buf) != ss_size(rgb2_buf),
			   "can not process input file #2", 9);

		exit_code = rgbdiff(&rgb3_buf, rgb1_buf, &ri1, rgb2_buf, &ri2)
				    ? 1
				    : 0;

		if (exit_code == 1)
			fprintf(stderr, "Image files %s and %s differ\n",
				argv[1], argv[2]);

		if (t_out != IMG_none) {
			enc_bytes =
				rgb2type(&iobuf, t_out, rgb3_buf, &ri1, F_None);
			IMGC_XTEST(!enc_bytes, "output file encoding error",
				   10);

			fout = fopen(argv[3], "wb+");
			written = ss_write(fout, iobuf, 0, ss_size(iobuf));

			IMGC_XTEST(!ro
					   && (written < 0
					       || (size_t)written
							  != ss_size(iobuf)),
				   "write error", 11);
		}
		break;
	}
#ifdef S_USE_VA_ARGS
	ss_free(&iobuf, &rgb1_buf, &rgb2_buf, &rgb3_buf);
#else
	ss_free(&iobuf);
	ss_free(&rgb1_buf);
	ss_free(&rgb2_buf);
	ss_free(&rgb3_buf);
#endif
	if (fin)
		fclose(fin);
	if (fout)
		fclose(fout);
	return exit_code > 1 ? exit_with_error(argv, exit_msg, exit_code) : 0;
}