rostests/apitests/gdi32/GetDIBits.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for GetDIBits
   5  * PROGRAMMERS:     Timo Kreuzer
   6  */
   7
   8 #include <stdio.h>
   9 #include <wine/test.h>
  10 #include <windows.h>
  11
  12 #define TEST(x) ok(x, #x"\n")
  13 #define RTEST(x) ok(x, #x"\n")
  14
  15 void Test_GetDIBits()
  16 {
  17         HDC hDCScreen;
  18         HBITMAP hBitmap;
  19         BITMAPINFO bi;
  20         INT ScreenBpp;
  21
  22         hDCScreen = GetDC(NULL);
  23         ok(hDCScreen != 0, "GetDC failed, skipping tests\n");
  24         if (hDCScreen == NULL) return;
  25
  26         hBitmap = CreateCompatibleBitmap(hDCScreen, 16, 16);
  27         RTEST(hBitmap != NULL);
  28
  29         /* misc */
  30         SetLastError(ERROR_SUCCESS);
  31         RTEST(GetDIBits(0, 0, 0, 0, NULL, NULL, 0) == 0);
  32         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  33
  34         SetLastError(ERROR_SUCCESS);
  35         RTEST(GetDIBits((HDC)2345, 0, 0, 0, NULL, NULL, 0) == 0);
  36         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  37
  38         SetLastError(ERROR_SUCCESS);
  39         RTEST(GetDIBits((HDC)2345, hBitmap, 0, 0, NULL, NULL, 0) == 0);
  40         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  41
  42         SetLastError(ERROR_SUCCESS);
  43         RTEST(GetDIBits((HDC)2345, hBitmap, 0, 15, NULL, &bi, 0) == 0);
  44         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  45
  46
  47
  48         /* null hdc */
  49         SetLastError(ERROR_SUCCESS);
  50         ZeroMemory(&bi, sizeof(BITMAPINFO));
  51         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  52         RTEST(GetDIBits(NULL, hBitmap, 0, 15, NULL, &bi, DIB_RGB_COLORS) == 0);
  53         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  54
  55         /* null bitmap */
  56         SetLastError(ERROR_SUCCESS);
  57         ZeroMemory(&bi, sizeof(BITMAPINFO));
  58         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  59         RTEST(GetDIBits(hDCScreen, NULL, 0, 15, NULL, &bi, DIB_RGB_COLORS) == 0);
  60         RTEST(GetLastError() == ERROR_SUCCESS);
  61
  62         /* 0 scan lines */
  63         SetLastError(ERROR_SUCCESS);
  64         ZeroMemory(&bi, sizeof(BITMAPINFO));
  65         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  66         RTEST(GetDIBits(hDCScreen, hBitmap, 0, 0, NULL, &bi, DIB_RGB_COLORS) > 0);
  67         RTEST(GetLastError() == ERROR_SUCCESS);
  68
  69         /* null bitmap info - crashes XP*/
  70         //SetLastError(ERROR_SUCCESS);
  71         //RTEST(GetDIBits(hDCScreen, NULL, 0, 15, NULL, NULL, DIB_RGB_COLORS) == 0);
  72         //RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  73
  74         /* bad bmi colours (uUsage) */
  75         SetLastError(ERROR_SUCCESS);
  76         ZeroMemory(&bi, sizeof(BITMAPINFO));
  77         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  78         RTEST(GetDIBits(hDCScreen, hBitmap, 0, 15, NULL, &bi, 100) == 0);
  79         RTEST(GetLastError() == ERROR_SUCCESS);
  80         RTEST(bi.bmiHeader.biWidth == 0);
  81         RTEST(bi.bmiHeader.biHeight == 0);
  82         RTEST(bi.bmiHeader.biBitCount == 0);
  83         RTEST(bi.bmiHeader.biSizeImage == 0);
  84
  85         /* basic call */
  86         SetLastError(ERROR_SUCCESS);
  87         ZeroMemory(&bi, sizeof(BITMAPINFO));
  88         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  89         RTEST(GetDIBits(hDCScreen, hBitmap, 0, 15, NULL, &bi, DIB_RGB_COLORS) > 0);
  90         RTEST(GetLastError() == ERROR_SUCCESS);
  91         ScreenBpp = GetDeviceCaps(hDCScreen, BITSPIXEL);
  92         RTEST(bi.bmiHeader.biWidth == 16);
  93         RTEST(bi.bmiHeader.biHeight == 16);
  94         RTEST(bi.bmiHeader.biBitCount == ScreenBpp);
  95         RTEST(bi.bmiHeader.biSizeImage == (16 * 16) * (ScreenBpp / 8));
  96
  97         DeleteObject(hBitmap);
  98         ReleaseDC(NULL, hDCScreen);
  99 }
 100
 101 START_TEST(GetDIBits)
 102 {
 103     Test_GetDIBits();
 104 }
 105