reactos/modules/rostests/apitests/win32nt/ntgdi/NtGdiBitBlt.c

/*
 * PROJECT:         ReactOS api tests
 * LICENSE:         GPL - See COPYING in the top level directory
 * PURPOSE:         Test for NtGdiBitBlt
 * PROGRAMMERS:
 */

#include <win32nt.h>

START_TEST(NtGdiBitBlt)
{
	BOOL bRet;
	HDC hdc1, hdc2;
	HBITMAP hbmp1, hOldBmp1, hbmp2, hOldBmp2;
	DWORD bytes1[4] = {0x00ff0000, 0x0000ff00, 0x000000ff, 0x00ffffff};
	DWORD bytes2[4] = {0x00000000, 0x0000000, 0x0000000, 0x00000000};

	/* Test NULL dc */
	SetLastError(ERROR_SUCCESS);
	bRet = NtGdiBitBlt((HDC)0, 0, 0, 10, 10, (HDC)0, 10, 10, SRCCOPY, 0, 0);
	TEST(bRet == FALSE);
	TEST(GetLastError() == ERROR_SUCCESS);

	/* Test invalid dc */
	SetLastError(ERROR_SUCCESS);
	bRet = NtGdiBitBlt((HDC)0x123456, 0, 0, 10, 10, (HDC)0x123456, 10, 10, SRCCOPY, 0, 0);
	TEST(bRet == FALSE);
	TEST(GetLastError() == ERROR_SUCCESS);

	hdc1 = NtGdiCreateCompatibleDC(0);
	TEST(hdc1 != NULL);

	hdc2 = NtGdiCreateCompatibleDC(0);
	TEST(hdc2 != NULL);

	hbmp1 = NtGdiCreateBitmap(2, 2, 1, 32, (LPBYTE)bytes1 );
	TEST(hbmp1 != NULL);
	hOldBmp1 = SelectObject(hdc1, hbmp1);

	TESTX(NtGdiGetPixel(hdc1, 0, 0) == 0x000000ff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0));
	TESTX(NtGdiGetPixel(hdc1, 0, 1) == 0x00ff0000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1));
	TESTX(NtGdiGetPixel(hdc1, 1, 0) == 0x0000ff00, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0));
	TESTX(NtGdiGetPixel(hdc1, 1, 1) == 0x00ffffff, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1));

	hbmp2 = NtGdiCreateBitmap(2, 2, 1, 32, (LPBYTE)bytes2 );
	TEST(hbmp2 != NULL);
	hOldBmp2 = SelectObject(hdc2, hbmp2);

	bRet = NtGdiBitBlt(hdc2, 1, 1, -2, -2, hdc1, 0, 0, SRCCOPY, 0, 0);
	TEST(bRet == TRUE);
	TEST(GetLastError() == ERROR_SUCCESS);
	TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x00000000, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0));
	TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00000000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1));
	TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x00000000, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0));
	TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00000000, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1));

	bRet = NtGdiBitBlt(hdc2, 1, 1, -2, -2, hdc1, 1, 1, SRCCOPY, 0, 0);
	TEST(bRet == TRUE);
	TEST(GetLastError() == ERROR_SUCCESS);
	TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x000000ff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0));
	TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00000000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1));
	TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x00000000, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0));
	TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00000000, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1));

	NtGdiSetPixel(hdc2, 0, 0, 0x00000000);

	bRet = NtGdiBitBlt(hdc2, 1, 1, -2, -2, hdc1, 0, 0, SRCCOPY, 0, 0);
	TEST(bRet == TRUE);
	TEST(GetLastError() == ERROR_SUCCESS);
	TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x00000000, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0));
	TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00000000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1));
	TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x00000000, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0));
	TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00000000, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1));

	bRet = NtGdiBitBlt(hdc2, 1, 1, -2, -2, hdc1, 2, 2, SRCCOPY, 0, 0);
	TEST(bRet == TRUE);
	TEST(GetLastError() == ERROR_SUCCESS);
	TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x00ffffff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0));
	TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00000000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1));
	TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x00000000, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0));
	TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00000000, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1));

	NtGdiSetPixel(hdc2, 0, 0, 0x00000000);

	bRet = NtGdiBitBlt(hdc2, 2, 2, -2, -2, hdc1, 2, 2, SRCCOPY, 0, 0);
	TEST(bRet == TRUE);
	TEST(GetLastError() == ERROR_SUCCESS);
	TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x000000ff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0));
	TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00ff0000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1));
	TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x0000ff00, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0));
	TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00ffffff, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1));

	NtGdiSetPixel(hdc2, 0, 0, 0x00000000);
	NtGdiSetPixel(hdc2, 1, 0, 0x00000000);
	NtGdiSetPixel(hdc2, 0, 1, 0x00000000);
	NtGdiSetPixel(hdc2, 1, 1, 0x00000000);

	bRet = NtGdiBitBlt(hdc2, 0, 0, 2, 2, hdc1, 0, 0, SRCCOPY, 0, 0);
	TEST(bRet == TRUE);
	TEST(GetLastError() == ERROR_SUCCESS);
	TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x000000ff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0));
	TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00ff0000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1));
	TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x0000ff00, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0));
	TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00ffffff, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1));

	SelectObject(hdc2, hOldBmp2);
	SelectObject(hdc1, hOldBmp1);

	DeleteObject(hbmp2);
	DeleteObject(hbmp1);

	DeleteDC(hdc1);
	DeleteDC(hdc2);
}