#include "gd.h"

#include "gdtest.h"

int main()

{

	gdImagePtr src, dst;

	int r, g, b;

	void *p;

	int size = 0;

	int status = 0;

	CuTestImageResult result = {0, 0};

	src = gdImageCreate(100, 100);

	if (src == NULL) {

		gdTestErrorMsg("could not create src\n");

		return 1;

	}

	r = gdImageColorAllocate(src, 0xFF, 0, 0);

	g = gdImageColorAllocate(src, 0, 0xFF, 0);

	b = gdImageColorAllocate(src, 0, 0, 0xFF);

	gdImageFilledRectangle(src, 0, 0, 99, 99, r);

	gdImageRectangle(src, 20, 20, 79, 79, g);

	gdImageEllipse(src, 70, 25, 30, 20, b);

#define OUTPUT_BMP(name) do {							\

		FILE *fp = gdTestTempFp();						\

		gdImageBmp(name, fp, 1);						\

		fclose(fp);										\

	} while (0)

	OUTPUT_BMP(src);

	p = gdImageBmpPtr(src, &size, 1);

	if (p == NULL) {

		status = 1;

		gdTestErrorMsg("p is null\n");

		goto door0;

	}

	if (size <= 0) {

		status = 1;

		gdTestErrorMsg("size is non-positive\n");

		goto door1;

	}

	dst = gdImageCreateFromBmpPtr(size, p);

	if (dst == NULL) {

		status = 1;

		gdTestErrorMsg("could not create dst\n");

		goto door1;

	}

	OUTPUT_BMP(dst);

	gdTestImageDiff(src, dst, NULL, &result);

	if (result.pixels_changed > 0) {

		status = 1;

		gdTestErrorMsg("pixels changed: %d\n", result.pixels_changed);

	}

	gdImageDestroy(dst);

door1:

	gdFree(p);

door0:

	gdImageDestroy(src);

	return status;

}