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reactos/rostests/apitests/gdi32/GetDIBits.c
Timo Kreuzer dd4901282a [GDI32_APITEST] 
Add/fix some tests for CreateDIBPatternBrush, GetDIBits, PatBlt and SetWindowExtEx

svn path=/trunk/; revision=67051
2015-04-04 15:58:18 +00:00

488 lines
18 KiB
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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Test for GetDIBits
* PROGRAMMERS: Timo Kreuzer
*/
#include <apitest.h>
#include <wingdi.h>
#include <winuser.h>
#include "init.h"
void
Test_GetDIBits_xBpp(
ULONG cBitsPixel)
{
UCHAR ajBuffer[sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)];
PBITMAPINFO pbmi = (PBITMAPINFO)ajBuffer;
HBITMAP hbmp;
ULONG cjSizeImage, cColors;
HDC hdc;
hdc = GetDC(0);
hbmp = CreateBitmap(3, 3, 1, cBitsPixel, NULL);
/* Fill in the size field */
ZeroMemory(pbmi, sizeof(ajBuffer));
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
/* Get info */
ok_int(GetDIBits(hdc, hbmp, 0, 0, NULL, pbmi, DIB_RGB_COLORS), 1);
cjSizeImage = (((pbmi->bmiHeader.biWidth * pbmi->bmiHeader.biBitCount) + 31) & ~31) * pbmi->bmiHeader.biHeight / 8;
cColors = cBitsPixel <= 8 ? 1 << pbmi->bmiHeader.biBitCount : 0;
ok_int(pbmi->bmiHeader.biSize, sizeof(BITMAPINFOHEADER));
ok_int(pbmi->bmiHeader.biWidth, 3);
ok_int(pbmi->bmiHeader.biHeight, 3);
ok_int(pbmi->bmiHeader.biPlanes, 1);
ok_int(pbmi->bmiHeader.biBitCount, cBitsPixel);
ok_int(pbmi->bmiHeader.biCompression, (cBitsPixel == 16) || (cBitsPixel == 32) ? BI_BITFIELDS : BI_RGB);
ok_int(pbmi->bmiHeader.biSizeImage, cjSizeImage);
ok_int(pbmi->bmiHeader.biXPelsPerMeter, 0);
ok_int(pbmi->bmiHeader.biYPelsPerMeter, 0);
ok_int(pbmi->bmiHeader.biClrUsed, cColors);
ok_int(pbmi->bmiHeader.biClrImportant, cColors);
// pbmi->bmiHeader.biSizeImage = 0;
//ok_int(GetDIBits(NULL, hbmp, 0, 0, NULL, pbmi, DIB_RGB_COLORS), 1);
/* Test a bitmap with values partly set */
ZeroMemory(pbmi, sizeof(ajBuffer));
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmi->bmiHeader.biWidth = 12;
pbmi->bmiHeader.biHeight = 14;
pbmi->bmiHeader.biPlanes = 2;
pbmi->bmiHeader.biBitCount = 0; // keep biBitCount == 0!
pbmi->bmiHeader.biCompression = 7;
pbmi->bmiHeader.biSizeImage = 123;
ok_int(GetDIBits(hdc, hbmp, 0, 5, NULL, pbmi, DIB_RGB_COLORS), 1);
ok_int(pbmi->bmiHeader.biWidth, 3);
ok_int(pbmi->bmiHeader.biHeight, 3);
ok_int(pbmi->bmiHeader.biPlanes, 1);
ok_int(pbmi->bmiHeader.biBitCount, cBitsPixel);
ok_int(pbmi->bmiHeader.biSizeImage, cjSizeImage);
ok_int(pbmi->bmiHeader.biXPelsPerMeter, 0);
ok_int(pbmi->bmiHeader.biYPelsPerMeter, 0);
ok_int(pbmi->bmiHeader.biClrUsed, cColors);
ok_int(pbmi->bmiHeader.biClrImportant, cColors);
#if 0
/* Get info including the color table */
ZeroMemory(pbmi, sizeof(ajBuffer));
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmi->bmiHeader.biBitCount = 1;
ok_int(GetDIBits(NULL, hbmp, 0, 0, NULL, pbmi, DIB_PAL_COLORS), 1);
/* Check a different bit depth */
pbmi->bmiHeader.biBitCount, cBitsPixel = (cBitsPixel == 1) ? 8 : 1;
ok_int(GetDIBits(hdc, hbmp, 0, 0, NULL, pbmi, DIB_RGB_COLORS), 1);
ok_int(pbmi->bmiHeader.biBitCount, (cBitsPixel == 1) ? 8 : 1);
/* Get the bits */
SetLastError(0);
ok_int(GetDIBits(hdc, hbmp, 0, 4, pvBits, pbmi, DIB_PAL_COLORS), 3);
ok_int(GetDIBits(hdc, hbmp, 3, 7, pvBits, pbmi, DIB_RGB_COLORS), 1);
ok_err(0);
pbmi->bmiHeader.biPlanes = 2;
pbmi->bmiHeader.biClrUsed = 0;
ok_int(GetDIBits(hdc, hbmp, 0, 4, pvBits, pbmi, DIB_RGB_COLORS), 3);
#endif
DeleteObject(hbmp);
ReleaseDC(NULL, hdc);
}
void Test_GetDIBits()
{
HDC hdcScreen, hdcMem;
HBITMAP hbmp;
PBITMAPINFO pbi;
DWORD bisize;
PBITMAPCOREHEADER pbch;
PBITMAPV5HEADER pbV5Header;
INT ScreenBpp;
DWORD ajBits[100] = {0xff, 0x00, 0xcc, 0xf0, 0x0f};
PVOID pvBits;
ULONG cjSizeImage;
bisize = sizeof(BITMAPV5HEADER) + 256 * sizeof(DWORD);
pbi = malloc(bisize);
pbch = (PVOID)pbi;
pbV5Header = (PVOID)pbi;
hdcScreen = GetDC(NULL);
ok(hdcScreen != 0, "GetDC failed, skipping tests\n");
if (hdcScreen == NULL) return;
hbmp = CreateCompatibleBitmap(hdcScreen, 16, 16);
ok(hbmp != NULL, "CreateCompatibleBitmap failed\n");
/* misc */
SetLastError(ERROR_SUCCESS);
ok(GetDIBits(0, 0, 0, 0, NULL, NULL, 0) == 0, "\n");
ok_err(ERROR_INVALID_PARAMETER);
SetLastError(ERROR_SUCCESS);
ok(GetDIBits((HDC)2345, 0, 0, 0, NULL, NULL, 0) == 0, "\n");
ok_err(ERROR_INVALID_PARAMETER);
SetLastError(ERROR_SUCCESS);
ok(GetDIBits((HDC)2345, hbmp, 0, 0, NULL, NULL, 0) == 0, "\n");
ok_err(ERROR_INVALID_PARAMETER);
SetLastError(ERROR_SUCCESS);
ok(GetDIBits((HDC)2345, hbmp, 0, 15, NULL, pbi, 0) == 0, "\n");
ok_err(ERROR_INVALID_PARAMETER);
/* null hdc */
SetLastError(ERROR_SUCCESS);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ok(GetDIBits(NULL, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS) == 0, "\n");
ok_err(ERROR_INVALID_PARAMETER);
/* null bitmap */
SetLastError(ERROR_SUCCESS);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ok(GetDIBits(hdcScreen, NULL, 0, 15, NULL, pbi, DIB_RGB_COLORS) == 0, "\n");
ok_err(ERROR_SUCCESS);
/* 0 scan lines */
SetLastError(ERROR_SUCCESS);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ok(GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS) > 0, "\n");
ok_err(ERROR_SUCCESS);
/* null bitmap info - crashes XP*/
//SetLastError(ERROR_SUCCESS);
//ok(GetDIBits(hdcScreen, NULL, 0, 15, NULL, NULL, DIB_RGB_COLORS) == 0);
//ok(GetLastError() == ERROR_INVALID_PARAMETER);
/* bad bmi colours (uUsage) */
SetLastError(0);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ok(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, 100) == 0, "\n");
ok_err(ERROR_SUCCESS);
ok(pbi->bmiHeader.biWidth == 0, "\n");
ok(pbi->bmiHeader.biHeight == 0, "\n");
ok(pbi->bmiHeader.biBitCount == 0, "\n");
ok(pbi->bmiHeader.biSizeImage == 0, "\n");
/* basic call */
SetLastError(ERROR_SUCCESS);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ok(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS) > 0, "\n");
ok_err(ERROR_SUCCESS);
ScreenBpp = GetDeviceCaps(hdcScreen, BITSPIXEL);
ok(pbi->bmiHeader.biWidth == 16, "\n");
ok(pbi->bmiHeader.biHeight == 16, "\n");
ok(pbi->bmiHeader.biBitCount == ScreenBpp, "\n");
ok(pbi->bmiHeader.biSizeImage == (16 * 16) * (ScreenBpp / 8), "\n");
/* Test if COREHEADER is supported */
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPCOREHEADER);
ok_int(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biSize, sizeof(BITMAPCOREHEADER));
ok_int(pbch->bcWidth, 16);
ok_int(pbch->bcHeight, 16);
ok_int(pbch->bcPlanes, 1);
//ok_int(pbch->bcBitCount, ScreenBpp > 16 ? 24 : ScreenBpp); // fails on XP with screenbpp == 16
/* Test different header sizes */
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPCOREHEADER) + 4;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS), 0);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER) + 4;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS), 1);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPV4HEADER);
ok_int(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS), 1);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPV4HEADER) + 4;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS), 1);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPV5HEADER);
ok_int(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS), 1);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPV5HEADER) + 4;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbV5Header->bV5RedMask, 0);
ok_int(pbV5Header->bV5GreenMask, 0);
ok_int(pbV5Header->bV5BlueMask, 0);
ok_int(pbV5Header->bV5AlphaMask, 0);
ok_int(pbV5Header->bV5CSType, 0);
// CIEXYZTRIPLE bV5Endpoints;
ok_int(pbV5Header->bV5GammaRed, 0);
ok_int(pbV5Header->bV5GammaGreen, 0);
ok_int(pbV5Header->bV5GammaBlue, 0);
ok_int(pbV5Header->bV5Intent, 0);
ok_int(pbV5Header->bV5ProfileData, 0);
ok_int(pbV5Header->bV5ProfileSize, 0);
ok_int(pbV5Header->bV5Reserved, 0);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ok_int(GetDIBits(hdcScreen, hbmp, 234, 43, NULL, pbi, DIB_RGB_COLORS), 1);
DeleteObject(hbmp);
/* Test a mono bitmap */
hbmp = CreateBitmap(13, 7, 1, 1, ajBits);
ok(hbmp != 0, "failed to create bitmap\n");
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ok_int(GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biWidth, 13);
ok_int(pbi->bmiHeader.biHeight, 7);
ok_int(pbi->bmiHeader.biBitCount, 1);
ok_int(pbi->bmiHeader.biSizeImage, 28);
/* Test with values set, except biSizeImage */
pbi->bmiHeader.biSizeImage = 0;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biSizeImage, 28);
/* Test with different biWidth set */
pbi->bmiHeader.biWidth = 17;
pbi->bmiHeader.biHeight = 3;
pbi->bmiHeader.biSizeImage = 0;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biSizeImage, 12);
ok_int(pbi->bmiHeader.biWidth, 17);
ok_int(pbi->bmiHeader.biHeight, 3);
/* Test with different biBitCount set */
pbi->bmiHeader.biBitCount = 4;
pbi->bmiHeader.biSizeImage = 1;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biSizeImage, 36);
ok_int(pbi->bmiHeader.biBitCount, 4);
/* Test with different biBitCount set */
pbi->bmiHeader.biBitCount = 8;
pbi->bmiHeader.biSizeImage = 1000;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biSizeImage, 60);
ok_int(pbi->bmiHeader.biBitCount, 8);
/* Test with invalid biBitCount set */
pbi->bmiHeader.biBitCount = 123;
pbi->bmiHeader.biSizeImage = -12;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS), 0);
ok_int(pbi->bmiHeader.biSizeImage, -12);
ok_int(pbi->bmiHeader.biBitCount, 123);
/* Set bitmap dimensions */
ok_int(SetBitmapDimensionEx(hbmp, 110, 220, NULL), 1);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biXPelsPerMeter, 0);
ok_int(pbi->bmiHeader.biYPelsPerMeter, 0);
/* Set individual values */
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbi->bmiHeader.biWidth = 12;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biWidth, 13);
ok_int(pbi->bmiHeader.biSizeImage, 28);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbi->bmiHeader.biSizeImage = 123;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 1);
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbi->bmiHeader.biCompression = BI_RGB;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 1);
/* Set only biBitCount */
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbi->bmiHeader.biBitCount = 5;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
pbi->bmiHeader.biBitCount = 1;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
pbi->bmiHeader.biBitCount = 8;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
pbi->bmiHeader.biBitCount = 32;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
ok_int(pbi->bmiHeader.biWidth, 0);
ok_int(pbi->bmiHeader.biHeight, 0);
ok_int(pbi->bmiHeader.biPlanes, 0);
ok_int(pbi->bmiHeader.biBitCount, 32);
ok_int(pbi->bmiHeader.biCompression, 0);
ok_int(pbi->bmiHeader.biSizeImage, 0);
/* Get the bitmap info */
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbi->bmiHeader.biWidth = 4;
pbi->bmiHeader.biHeight = 4;
pbi->bmiHeader.biPlanes = 3;
pbi->bmiHeader.biBitCount = 32;
pbi->bmiHeader.biCompression = BI_RGB;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biSizeImage, 64);
ok_int(pbi->bmiHeader.biPlanes, 1);
pbi->bmiHeader.biWidth = 0;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
pbi->bmiHeader.biWidth = 2;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biSizeImage, 32);
pbi->bmiHeader.biWidth = -3;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
pbi->bmiHeader.biWidth = 4;
pbi->bmiHeader.biHeight = 0;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
pbi->bmiHeader.biHeight = -4;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 1);
pbi->bmiHeader.biBitCount = 31;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
pbi->bmiHeader.biBitCount = 16;
pbi->bmiHeader.biPlanes = 23;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biPlanes, 1);
SetLastError(0xdeadbabe);
ok_int(GetDIBits((HDC)0xff00ff00, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
ok_err(0x57);
SetLastError(0xdeadbabe);
ok_int(GetDIBits(hdcScreen, (HBITMAP)0xff00ff00, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
ok_err(0xdeadbabe);
SetLastError(0xdeadbabe);
ok_int(GetDIBits((HDC)0xff00ff00, (HBITMAP)0xff00ff00, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
ok_err(0x57);
SetLastError(0xdeadbabe);
ok_int(GetDIBits(NULL, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
ok_err(0x57);
pbi->bmiHeader.biCompression = BI_JPEG;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
pbi->bmiHeader.biCompression = BI_PNG;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS), 0);
/* Get the bitmap bits */
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbi->bmiHeader.biWidth = 4;
pbi->bmiHeader.biHeight = 4;
pbi->bmiHeader.biPlanes = 1;
pbi->bmiHeader.biBitCount = 32;
pbi->bmiHeader.biCompression = BI_RGB;
pbi->bmiHeader.biSizeImage = 0;
pbi->bmiHeader.biXPelsPerMeter = 0;
pbi->bmiHeader.biYPelsPerMeter = 0;
pbi->bmiHeader.biClrUsed = 0;
pbi->bmiHeader.biClrImportant = 0;
cjSizeImage = ((pbi->bmiHeader.biWidth * pbi->bmiHeader.biBitCount + 31) / 32) * 4 * pbi->bmiHeader.biHeight;
pvBits = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 512);
ok_int(GetDIBits(hdcScreen, hbmp, 0, 4, pvBits, pbi, DIB_RGB_COLORS), 4);
ok_int(pbi->bmiHeader.biSize, sizeof(BITMAPINFOHEADER));
ok_int(pbi->bmiHeader.biWidth, 4);
ok_int(pbi->bmiHeader.biHeight, 4);
ok_int(pbi->bmiHeader.biPlanes, 1);
ok_int(pbi->bmiHeader.biBitCount, 32);
ok_int(pbi->bmiHeader.biCompression, BI_RGB);
ok_int(pbi->bmiHeader.biSizeImage, 64);
ok_int(pbi->bmiHeader.biXPelsPerMeter, 0);
ok_int(pbi->bmiHeader.biYPelsPerMeter, 0);
ok_int(pbi->bmiHeader.biClrUsed, 0);
ok_int(pbi->bmiHeader.biClrImportant, 0);
/* Set biBitCount to 0 */
pbi->bmiHeader.biBitCount = 0;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 4, pvBits, pbi, DIB_RGB_COLORS), 0);
ok_int(GetDIBits(hdcScreen, hbmp, 0, 4, (PVOID)(LONG_PTR)-1, pbi, DIB_RGB_COLORS), 0);
ok_int(GetDIBits(hdcScreen, hbmp, 0, 4, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(GetDIBits(NULL, hbmp, 0, 4, NULL, pbi, DIB_RGB_COLORS), 0);
/* Try different biBitCount and biWidth */
pbi->bmiHeader.biBitCount = 24;
pbi->bmiHeader.biWidth = 3;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 4, pvBits, pbi, DIB_RGB_COLORS), 4);
/* Try different biBitCount and biWidth */
pbi->bmiHeader.biBitCount = 24;
pbi->bmiHeader.biWidth = 3;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 4, pvBits, pbi, DIB_RGB_COLORS), 4);
/* Try invalid biBitCount */
pbi->bmiHeader.biBitCount = 17;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 4, pvBits, pbi, DIB_RGB_COLORS), 0);
/* Set only biBitCount and pjInit */
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbi->bmiHeader.biBitCount = 5;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 4, pvBits, pbi, DIB_RGB_COLORS), 0);
DeleteObject(hbmp);
HeapFree(GetProcessHeap(), 0, pvBits);
/* Test a 4 bpp bitmap */
hbmp = CreateBitmap(3, 5, 1, 4, NULL);
ok(hbmp != 0, "failed to create bitmap\n");
ZeroMemory(pbi, bisize);
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ok_int(GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS), 1);
ok_int(pbi->bmiHeader.biWidth, 3);
ok_int(pbi->bmiHeader.biHeight, 5);
ok_int(pbi->bmiHeader.biBitCount, 4);
ok_int(pbi->bmiHeader.biSizeImage, 20);
/* This does NOT work with incompatible bitmaps */
pbi->bmiHeader.biSizeImage = 0;
ok_int(GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS), 0);
/* Calculate bitmap size and allocate a buffer */
cjSizeImage = ((pbi->bmiHeader.biWidth * pbi->bmiHeader.biBitCount + 31) / 32) * 4 * pbi->bmiHeader.biHeight;
ok_int(cjSizeImage, 20);
pvBits = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cjSizeImage);
/* Test using a compatible DC */
hdcMem = CreateCompatibleDC(0);
ok(hdcMem != 0, "CreateCompatibleDC failed, skipping tests\n");
if (hdcMem == NULL) return;
ok_int(GetDIBits(hdcMem, hbmp, 0, 4, pvBits, pbi, DIB_RGB_COLORS), 0);
ok_int(GetDIBits(hdcMem, ghbmpDIB4, 0, 4, pvBits, pbi, DIB_RGB_COLORS), 4);
HeapFree(GetProcessHeap(), 0, pvBits);
DeleteDC(hdcMem);
ReleaseDC(NULL, hdcScreen);
}
void Test_GetDIBits_BI_BITFIELDS()
{
}
START_TEST(GetDIBits)
{
//getchar();
InitStuff();
Test_GetDIBits_xBpp(1);
Test_GetDIBits_xBpp(4);
Test_GetDIBits_xBpp(8);
Test_GetDIBits_xBpp(16);
Test_GetDIBits_xBpp(24);
Test_GetDIBits_xBpp(32);
Test_GetDIBits();
}
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