reactos/rostests/apitests/w32knapi/ntgdi/NtGdiGetDIBits.c
Timo Kreuzer 07eb7f5d69 - use own version of GdiQueryTable() instead of relying on gdi32.dll
- more tests for NtGdiGetDIBitsInternal

svn path=/trunk/; revision=31226
2007-12-15 04:35:16 +00:00

131 lines
4.4 KiB
C

/* taken from gdi32, bitmap.c */
UINT
FASTCALL
DIB_BitmapMaxBitsSize( PBITMAPINFO Info, UINT ScanLines )
{
UINT MaxBits = 0;
if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
PBITMAPCOREHEADER Core = (PBITMAPCOREHEADER)Info;
MaxBits = Core->bcBitCount * Core->bcPlanes * Core->bcWidth;
}
else /* assume BITMAPINFOHEADER */
{
if ((Info->bmiHeader.biCompression) && (Info->bmiHeader.biCompression != BI_BITFIELDS))
return Info->bmiHeader.biSizeImage;
// Planes are over looked by Yuan. I guess assumed always 1.
MaxBits = Info->bmiHeader.biBitCount * Info->bmiHeader.biPlanes * Info->bmiHeader.biWidth;
}
MaxBits = ((MaxBits + 31) & ~31 ) / 8; // From Yuan, ScanLineSize = (Width * bitcount + 31)/32
return (MaxBits * ScanLines); // ret the full Size.
}
INT
Test_NtGdiGetDIBitsInternal(PTESTINFO pti)
{
HBITMAP hBitmap;
struct
{
BITMAPINFO bi;
RGBQUAD Colors[20];
} bmp;
// BITMAPINFO bi;
INT ScreenBpp;
BITMAPCOREINFO bic;
DWORD data[20*16];
HDC hDCScreen = GetDC(NULL);
ASSERT(hDCScreen != NULL);
hBitmap = CreateCompatibleBitmap(hDCScreen, 16, 16);
ASSERT(hBitmap != NULL);
SetLastError(ERROR_SUCCESS);
RTEST(NtGdiGetDIBitsInternal(0, 0, 0, 0, NULL, NULL, 0, 0, 0) == 0);
RTEST(GetLastError() == ERROR_SUCCESS);
SetLastError(ERROR_SUCCESS);
RTEST(NtGdiGetDIBitsInternal((HDC)2345, 0, 0, 0, NULL, NULL, 0, 0, 0) == 0);
RTEST(GetLastError() == ERROR_SUCCESS);
SetLastError(ERROR_SUCCESS);
RTEST(NtGdiGetDIBitsInternal((HDC)2345, hBitmap, 0, 0, NULL, NULL, 0, 0, 0) == 0);
RTEST(GetLastError() == ERROR_SUCCESS);
SetLastError(ERROR_SUCCESS);
RTEST(NtGdiGetDIBitsInternal(hDCScreen, hBitmap, 0, 0, NULL, NULL, 0, 0, 0) == 0);
RTEST(GetLastError() == ERROR_SUCCESS);
SetLastError(ERROR_SUCCESS);
RTEST(NtGdiGetDIBitsInternal(hDCScreen, hBitmap, 0, 15, NULL, NULL, 0, 0, 0) == 0);
RTEST(GetLastError() == ERROR_SUCCESS);
ZeroMemory(&bmp, sizeof(bmp));
bmp.bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
FillMemory(&bmp.Colors, sizeof(bmp.Colors), 0x44);
SetLastError(ERROR_SUCCESS);
RTEST(NtGdiGetDIBitsInternal((HDC)0, hBitmap, 0, 15, NULL, &bmp.bi, 0, 0, 0) > 0);
RTEST(GetLastError() == ERROR_SUCCESS);
TEST(bmp.Colors[0].rgbRed == 0x44);
ZeroMemory(&bmp, sizeof(bmp));
bmp.bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
FillMemory(&bmp.Colors, sizeof(bmp.Colors), 0x44);
SetLastError(ERROR_SUCCESS);
RTEST(NtGdiGetDIBitsInternal((HDC)2345, hBitmap, 0, 15, NULL, &bmp.bi, 0, 0, 0) > 0);
RTEST(GetLastError() == ERROR_SUCCESS);
TEST(bmp.Colors[0].rgbRed == 0x44);
ZeroMemory(&bmp, sizeof(bmp));
bmp.bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
FillMemory(&bmp.Colors, sizeof(bmp.Colors), 0x44);
SetLastError(ERROR_SUCCESS);
RTEST(NtGdiGetDIBitsInternal(hDCScreen, hBitmap, 0, 15, NULL, &bmp.bi, DIB_RGB_COLORS,
DIB_BitmapMaxBitsSize(&bmp.bi, 15), 0) > 0);
RTEST(GetLastError() == ERROR_SUCCESS);
ScreenBpp = GetDeviceCaps(hDCScreen, BITSPIXEL);
RTEST(bmp.bi.bmiHeader.biWidth == 16);
RTEST(bmp.bi.bmiHeader.biHeight == 16);
RTEST(bmp.bi.bmiHeader.biBitCount == ScreenBpp);
RTEST(bmp.bi.bmiHeader.biSizeImage == (16 * 16) * (ScreenBpp / 8));
TEST(bmp.Colors[0].rgbRed == 0x44);
/* Test with pointer */
// ZeroMemory(&bmp.bi, sizeof(BITMAPINFO));
bmp.bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
// FillMemory(&bmp.Colors, sizeof(bmp.Colors), 0x11223344);
SetLastError(ERROR_SUCCESS);
TEST(NtGdiGetDIBitsInternal(hDCScreen, hBitmap, 0, 15, (void*)data, &bmp.bi, DIB_RGB_COLORS,
DIB_BitmapMaxBitsSize(&bmp.bi, 15), 0) > 0);
RTEST(GetLastError() == ERROR_SUCCESS);
RTEST(bmp.bi.bmiHeader.biWidth == 16);
RTEST(bmp.bi.bmiHeader.biHeight == 16);
RTEST(bmp.bi.bmiHeader.biBitCount == ScreenBpp);
RTEST(bmp.bi.bmiHeader.biSizeImage == (16 * 16) * (ScreenBpp / 8));
TEST(bmp.Colors[0].rgbRed != 0x44);
/* Test a BITMAPCOREINFO structure */
SetLastError(ERROR_SUCCESS);
ZeroMemory(&bic, sizeof(BITMAPCOREINFO));
bic.bmciHeader.bcSize = sizeof(BITMAPCOREHEADER);
TEST(NtGdiGetDIBitsInternal(hDCScreen, hBitmap, 0, 15, NULL, (PBITMAPINFO)&bic, DIB_RGB_COLORS,
DIB_BitmapMaxBitsSize((PBITMAPINFO)&bic, 15), 0) > 0);
RTEST(GetLastError() == ERROR_SUCCESS);
ReleaseDC(NULL, hDCScreen);
DeleteObject(hBitmap);
return APISTATUS_NORMAL;
}