reactos/rostests/apitests/gdi32/GetDIBits.c

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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 <stdio.h>
#include <wine/test.h>
#include <windows.h>
#define ok_err(dwErr) ok(GetLastError() == dwErr, "LastError is wrong, expected %d, got %ld\n", dwErr, GetLastError())
void Test_GetDIBits()
{
HDC hdcScreen, hdcMem;
HBITMAP hbmp;
PBITMAPINFO pbi;
INT ret, ScreenBpp;
DWORD ajBits[10] = {0xff, 0x00, 0xcc, 0xf0, 0x0f};
pbi = malloc(sizeof(BITMAPV5HEADER) + 256 * sizeof(DWORD));
hdcScreen = GetDC(NULL);
ok(hdcScreen != 0, "GetDC failed, skipping tests\n");
if (hdcScreen == NULL) return;
hdcMem = CreateCompatibleDC(0);
ok(hdcMem != 0, "CreateCompatibleDC failed, skipping tests\n");
if (hdcMem == 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, sizeof(BITMAPINFO));
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, sizeof(BITMAPINFO));
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, sizeof(BITMAPINFO));
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(ERROR_SUCCESS);
ZeroMemory(pbi, sizeof(BITMAPINFO));
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, sizeof(BITMAPINFO));
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 */
pbi->bmiHeader.biSize = sizeof(BITMAPCOREHEADER);
ok(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS) > 0, "\n");
ok(pbi->bmiHeader.biSize == sizeof(BITMAPCOREHEADER), "\n");
/* Test different header sizes */
pbi->bmiHeader.biSize = sizeof(BITMAPCOREHEADER) + 4;
ok(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS) == 0, "should fail.\n");
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER) + 4;
ok(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS) == 0, "should fail.\n");
pbi->bmiHeader.biSize = sizeof(BITMAPV5HEADER);
ok(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS) > 0, "should not fail.\n");
pbi->bmiHeader.biSize = sizeof(BITMAPV5HEADER) + 4;
ok(GetDIBits(hdcScreen, hbmp, 0, 15, NULL, pbi, DIB_RGB_COLORS) > 0, "should not fail.\n");
DeleteObject(hbmp);
/* Test a mono bitmap */
hbmp = CreateBitmap(13, 7, 1, 1, ajBits);
ok(hbmp != 0, "failed to create bitmap\n");
ZeroMemory(pbi, sizeof(BITMAPINFO));
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
ret = GetDIBits(hdcScreen, hbmp, 0, 0, NULL, pbi, DIB_RGB_COLORS);
ok(ret == 1, "%d\n", ret);
ok(pbi->bmiHeader.biWidth == 13, "pbi->bmiHeader.biWidth = %ld\n", pbi->bmiHeader.biWidth);
ok(pbi->bmiHeader.biHeight == 7, "pbi->bmiHeader.biHeight = %ld\n", pbi->bmiHeader.biHeight);
ok(pbi->bmiHeader.biBitCount == 1, "pbi->bmiHeader.biBitCount = %d\n", pbi->bmiHeader.biBitCount);
ok(pbi->bmiHeader.biSizeImage == 28, "pbi->bmiHeader.biSizeImage = %ld\n", pbi->bmiHeader.biSizeImage);
/* Test a mono bitmap with values set */
ZeroMemory(pbi, sizeof(BITMAPINFO));
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbi->bmiHeader.biWidth = 12;
pbi->bmiHeader.biHeight = 9;
pbi->bmiHeader.biPlanes = 1;
pbi->bmiHeader.biBitCount = 32;
pbi->bmiHeader.biCompression = BI_RGB;
pbi->bmiHeader.biSizeImage = 123;
ret = GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS);
ok(ret == 1, "%d\n", ret);
ok(pbi->bmiHeader.biWidth == 12, "pbi->bmiHeader.biWidth = %ld\n", pbi->bmiHeader.biWidth);
ok(pbi->bmiHeader.biHeight == 9, "pbi->bmiHeader.biHeight = %ld\n", pbi->bmiHeader.biHeight);
ok(pbi->bmiHeader.biBitCount == 32, "pbi->bmiHeader.biBitCount = %d\n", pbi->bmiHeader.biBitCount);
ok(pbi->bmiHeader.biSizeImage == 432, "pbi->bmiHeader.biSizeImage = %ld\n", pbi->bmiHeader.biSizeImage);
/* Set individual values */
ZeroMemory(pbi, sizeof(BITMAPINFO));
pbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbi->bmiHeader.biWidth = 12;
ret = GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS);
ok(ret == 1, "%d\n", ret);
pbi->bmiHeader.biWidth = 0;
pbi->bmiHeader.biSizeImage = 123;
ret = GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS);
ok(ret == 0, "%d\n", ret);
pbi->bmiHeader.biSizeImage = 0;
pbi->bmiHeader.biCompression = BI_RGB;
ret = GetDIBits(hdcScreen, hbmp, 0, 5, NULL, pbi, DIB_RGB_COLORS);
ok(ret == 0, "%d\n", ret);
DeleteObject(hbmp);
DeleteDC(hdcMem);
ReleaseDC(NULL, hdcScreen);
}
START_TEST(GetDIBits)
{
Test_GetDIBits();
}