NtGdiSelectBitmap.c File Reference

#include <win32nt.h>

Include dependency graph for NtGdiSelectBitmap.c:

Go to the source code of this file.

Functions
void	Test_SelectDIBSection (void)
	START_TEST (NtGdiSelectBitmap)

Function Documentation

START_TEST()

START_TEST

(

NtGdiSelectBitmap

)

Definition at line 46 of file NtGdiSelectBitmap.c.

{
    HDC hDC;
    HBITMAP hBmp, hOldBmp;
    HPALETTE hOldPalette, hPalette;
    LOGPALETTE logpal = {0x300, 1, {{12,13,14,15}}};
 
    hBmp = CreateBitmap(2,2,1,1,NULL);
    ASSERT(hBmp);
 
    /* We cannot select a bitmap into a display DC */
    hDC = GetDC(NULL);
    ASSERT(hDC);
    hOldBmp = NtGdiSelectBitmap(hDC, hBmp);
    TEST(hOldBmp == NULL);
 
    hDC = CreateCompatibleDC(GetDC(NULL));
    ASSERT(hDC);
 
    /* Check the palette before we mess it up*/
    hPalette = CreatePalette(&logpal);
    hOldPalette = SelectPalette(hDC, hPalette, 0);
    TEST(hOldPalette == GetStockObject(DEFAULT_PALETTE));
 
    /* Test NULL DC */
    SetLastError(ERROR_SUCCESS);
    hOldBmp = NtGdiSelectBitmap(NULL, hBmp);
    TEST(hOldBmp == NULL);
    TEST(GetLastError() == ERROR_SUCCESS);
 
    /* Test invalid DC */
    SetLastError(ERROR_SUCCESS);
    hOldBmp = NtGdiSelectBitmap((HDC)((ULONG_PTR)hDC & 0x0000ffff), hBmp);
    TEST(hOldBmp == NULL);
    TEST(GetLastError() == ERROR_SUCCESS);
 
    /* Test NULL bitmap */
    SetLastError(ERROR_SUCCESS);
    hOldBmp = NtGdiSelectBitmap(hDC, NULL);
    TEST(hOldBmp == NULL);
    TEST(GetLastError() == ERROR_SUCCESS);
 
    /* Test bitmap with only index */
    SetLastError(ERROR_SUCCESS);
    hOldBmp = NtGdiSelectBitmap(hDC, (HBITMAP)((ULONG_PTR)hBmp & 0x0000ffff));
    TEST(hOldBmp == NULL);
    TEST(GetLastError() == ERROR_SUCCESS);
 
    /* Test valid bitmap */
    SetLastError(ERROR_SUCCESS);
    hOldBmp = NtGdiSelectBitmap(hDC, hBmp);
    TEST(hOldBmp != NULL);
    /* The default bitmap should be GetStockObject(21) */
    TEST(hOldBmp == GetStockObject(21));
 
    /* Check the palette */
    hOldPalette = SelectPalette(hDC, hOldPalette, 0);
    TEST(hOldPalette == hPalette);
    DeleteObject(hPalette);
 
    /* Select the old one again and check */
    hOldBmp = NtGdiSelectBitmap(hDC, hOldBmp);
    TEST(hOldBmp == hBmp);
    TEST(GetLastError() == ERROR_SUCCESS);
 
    /* cleanup */
    DeleteObject(hBmp);
    DeleteDC(hDC);
 
    Test_SelectDIBSection();
 
}

Test_SelectDIBSection()

void Test_SelectDIBSection

(

void

)

Definition at line 11 of file NtGdiSelectBitmap.c.

{
    HDC hdc;
    HBITMAP hbmp;
    struct
    {
        BITMAPINFOHEADER bmiHeader;
        RGBQUAD          bmiColors[100];
    } bmi;
    PBITMAPINFO pbmi = (PBITMAPINFO)&bmi;
    PVOID pvBits;
 
    hdc = CreateCompatibleDC(0);
    ASSERT(hdc);
 
    bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
    bmi.bmiHeader.biWidth = 2;
    bmi.bmiHeader.biHeight = 2;
    bmi.bmiHeader.biPlanes = 1;
    bmi.bmiHeader.biBitCount = 1;
    bmi.bmiHeader.biCompression = BI_RGB;
    bmi.bmiHeader.biSizeImage = 0;
    bmi.bmiHeader.biXPelsPerMeter = 100;
    bmi.bmiHeader.biYPelsPerMeter = 100;
    bmi.bmiHeader.biClrUsed = 2;
    bmi.bmiHeader.biClrImportant = 2;
 
    hbmp = CreateDIBSection(hdc, pbmi, DIB_PAL_COLORS, &pvBits, NULL, 0);
    ASSERT(hbmp);
 
    TEST(NtGdiSelectBitmap(hdc, hbmp) != 0);
 
}

Referenced by START_TEST().