reactos/rostests/apitests/gdi32/SetDIBits.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Test for SetDIBits
* PROGRAMMERS: J<EFBFBD>r<EFBFBD>me Gardou
*/
#include <apitest.h>
#include <wingdi.h>
void Test_SetDIBits()
{
char buffer[sizeof(BITMAPINFOHEADER)+2*sizeof(RGBQUAD)];
ULONG* dibBuffer;
BITMAPINFO* pBMI = (BITMAPINFO*)buffer;
char bits1bpp[] = {0x80, 0, 0, 0};
HBITMAP hbmp;
int ret;
ZeroMemory(buffer, sizeof(buffer));
pBMI->bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
pBMI->bmiHeader.biWidth=2;
pBMI->bmiHeader.biHeight=1;
pBMI->bmiHeader.biPlanes=1;
pBMI->bmiHeader.biBitCount=32;
pBMI->bmiHeader.biCompression=BI_RGB;
pBMI->bmiHeader.biSizeImage=0;
pBMI->bmiHeader.biXPelsPerMeter=0;
pBMI->bmiHeader.biYPelsPerMeter=0;
pBMI->bmiHeader.biClrUsed=0;
pBMI->bmiHeader.biClrImportant=0;
hbmp = CreateDIBSection(NULL, pBMI, DIB_RGB_COLORS, (PVOID*)&dibBuffer, NULL, 0);
ok(hbmp!=NULL, "Failed to create a DIB section\n");
pBMI->bmiHeader.biBitCount = 1;
pBMI->bmiColors[0].rgbBlue = 0xFF;
pBMI->bmiColors[0].rgbGreen = 0;
pBMI->bmiColors[0].rgbRed = 0xFF;
ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
ok(ret == 1, "Copied %i scanlines\n", ret);
ok(dibBuffer[0] == 0, "Wrong color 0x%08x after SetDIBits\n", (unsigned int)dibBuffer[0]);
ok(dibBuffer[1] == 0xFF00FF, "Wrong color 0x%08x after SetDIBits\n", (unsigned int)dibBuffer[1]);
DeleteObject(hbmp);
}
void Test_SetDIBits_1bpp()
{
char buffer[sizeof(BITMAPINFOHEADER)+2*sizeof(RGBQUAD)];
HDC hdc;
BITMAPINFO* pBMI = (BITMAPINFO*)buffer;
char bits1bpp[] = {0x80, 0, 0, 0};
HBITMAP hbmp;
int ret;
COLORREF color;
hdc = CreateCompatibleDC(0);
if(!hdc)
{
trace("No device contexr !?\n");
return;
}
ZeroMemory(buffer, sizeof(buffer));
pBMI->bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
pBMI->bmiHeader.biWidth=2;
pBMI->bmiHeader.biHeight=1;
pBMI->bmiHeader.biPlanes=1;
pBMI->bmiHeader.biBitCount=1;
pBMI->bmiHeader.biCompression=BI_RGB;
pBMI->bmiHeader.biSizeImage=0;
pBMI->bmiHeader.biXPelsPerMeter=0;
pBMI->bmiHeader.biYPelsPerMeter=0;
pBMI->bmiHeader.biClrUsed=2;
pBMI->bmiHeader.biClrImportant=0;
pBMI->bmiColors[0].rgbBlue = 0xFF;
pBMI->bmiColors[0].rgbGreen = 0xFF;
pBMI->bmiColors[0].rgbRed = 0xFF;
hbmp = CreateBitmap(2, 1, 1, 1, NULL);
ok(hbmp!=NULL, "Failed to create a monochrome bitmap\n");
ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
ok(ret == 1, "Copied %i scanlines\n", ret);
hbmp = SelectObject(hdc, hbmp);
ok(hbmp != NULL, "Could not select the bitmap into the context.\n");
color = GetPixel(hdc, 0,0);
ok(color == 0, "Wrong color at 0,0 : 0x%08x\n", (UINT)color);
color = GetPixel(hdc, 1,0);
ok(color == 0xFFFFFF, "Wrong color at 1,0 : 0x%08x\n", (UINT)color);
hbmp = SelectObject(hdc, hbmp);
/* Try something else than 0xFFFFFF */
pBMI->bmiColors[0].rgbBlue = 0xFF;
pBMI->bmiColors[0].rgbGreen = 0;
pBMI->bmiColors[0].rgbRed = 0;
ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
ok(ret == 1, "Copied %i scanlines\n", ret);
hbmp = SelectObject(hdc, hbmp);
ok(hbmp != NULL, "Could not select the bitmap into the context.\n");
color = GetPixel(hdc, 0,0);
ok(color == 0, "Wrong color at 0,0 : 0x%08x\n", (UINT)color);
color = GetPixel(hdc, 1,0);
ok(color == 0xFFFFFF, "Wrong color at 1,0 : 0x%08x\n", (UINT)color);
hbmp = SelectObject(hdc, hbmp);
/* Special : try 0 */
pBMI->bmiColors[0].rgbBlue = 0;
pBMI->bmiColors[0].rgbGreen = 0;
pBMI->bmiColors[0].rgbRed = 0;
ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
ok(ret == 1, "Copied %i scanlines\n", ret);
hbmp = SelectObject(hdc, hbmp);
ok(hbmp != NULL, "Could not select the bitmap into the context.\n");
color = GetPixel(hdc, 0,0);
ok(color == 0, "Wrong color at 0,0 : 0x%08x\n", (UINT)color);
color = GetPixel(hdc, 1,0);
ok(color == 0xFFFFFF, "Wrong color at 1,0 : 0x%08x\n", (UINT)color);
hbmp = SelectObject(hdc, hbmp);
DeleteObject(hbmp);
DeleteDC(hdc);
}
START_TEST(SetDIBits)
{
Test_SetDIBits();
Test_SetDIBits_1bpp();
}