VOID FASTCALL co_IntDrawCaret(PWND pWnd, PTHRDCARETINFO CaretInfo) { HDC hdc, hdcMem; HBITMAP hbmOld; BOOL bDone = FALSE; hdc = UserGetDCEx(pWnd, 0, DCX_USESTYLE | DCX_WINDOW); if (!hdc) { ERR("GetDC failed\n"); return; } if (pWnd->hrgnUpdate) { NtGdiSaveDC(hdc); } if(CaretInfo->Bitmap && NtGdiGetBitmapDimension(CaretInfo->Bitmap, &CaretInfo->Size)) { hdcMem = NtGdiCreateCompatibleDC(hdc); if (hdcMem) { hbmOld = NtGdiSelectBitmap(hdcMem, CaretInfo->Bitmap); bDone = NtGdiBitBlt(hdc, CaretInfo->Pos.x, CaretInfo->Pos.y, CaretInfo->Size.cx, CaretInfo->Size.cy, hdcMem, 0, 0, SRCINVERT, 0, 0); NtGdiSelectBitmap(hdcMem, hbmOld); GreDeleteObject(hdcMem); } } if (!bDone) { NtGdiPatBlt(hdc, CaretInfo->Pos.x, CaretInfo->Pos.y, CaretInfo->Size.cx, CaretInfo->Size.cy, DSTINVERT); } if (pWnd->hrgnUpdate) { NtGdiRestoreDC(hdc, -1); } UserReleaseDC(pWnd, hdc, FALSE); }
INT Test_NtGdiBitBlt(PTESTINFO pti) { BOOL bRet; HDC hdc1, hdc2; HBITMAP hbmp1, hOldBmp1, hbmp2, hOldBmp2; DWORD bytes1[4] = {0x00ff0000, 0x0000ff00, 0x000000ff, 0x00ffffff}; DWORD bytes2[4] = {0x00000000, 0x0000000, 0x0000000, 0x00000000}; /* Test NULL dc */ SetLastError(ERROR_SUCCESS); bRet = NtGdiBitBlt((HDC)0, 0, 0, 10, 10, (HDC)0, 10, 10, SRCCOPY, 0, 0); TEST(bRet == FALSE); TEST(GetLastError() == ERROR_SUCCESS); /* Test invalid dc */ SetLastError(ERROR_SUCCESS); bRet = NtGdiBitBlt((HDC)0x123456, 0, 0, 10, 10, (HDC)0x123456, 10, 10, SRCCOPY, 0, 0); TEST(bRet == FALSE); TEST(GetLastError() == ERROR_SUCCESS); hdc1 = NtGdiCreateCompatibleDC(0); TEST(hdc1 != NULL); hdc2 = NtGdiCreateCompatibleDC(0); TEST(hdc2 != NULL); hbmp1 = NtGdiCreateBitmap(2, 2, 1, 32, (LPBYTE)bytes1 ); TEST(hbmp1 != NULL); hOldBmp1 = SelectObject(hdc1, hbmp1); TESTX(NtGdiGetPixel(hdc1, 0, 0) == 0x000000ff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0)); TESTX(NtGdiGetPixel(hdc1, 0, 1) == 0x00ff0000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1)); TESTX(NtGdiGetPixel(hdc1, 1, 0) == 0x0000ff00, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0)); TESTX(NtGdiGetPixel(hdc1, 1, 1) == 0x00ffffff, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1)); hbmp2 = NtGdiCreateBitmap(2, 2, 1, 32, (LPBYTE)bytes2 ); TEST(hbmp2 != NULL); hOldBmp2 = SelectObject(hdc2, hbmp2); bRet = NtGdiBitBlt(hdc2, 1, 1, -2, -2, hdc1, 0, 0, SRCCOPY, 0, 0); TEST(bRet == TRUE); TEST(GetLastError() == ERROR_SUCCESS); TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x00000000, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0)); TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00000000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1)); TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x00000000, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0)); TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00000000, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1)); bRet = NtGdiBitBlt(hdc2, 1, 1, -2, -2, hdc1, 1, 1, SRCCOPY, 0, 0); TEST(bRet == TRUE); TEST(GetLastError() == ERROR_SUCCESS); TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x000000ff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0)); TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00000000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1)); TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x00000000, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0)); TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00000000, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1)); NtGdiSetPixel(hdc2, 0, 0, 0x00000000); bRet = NtGdiBitBlt(hdc2, 1, 1, -2, -2, hdc1, 0, 0, SRCCOPY, 0, 0); TEST(bRet == TRUE); TEST(GetLastError() == ERROR_SUCCESS); TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x00000000, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0)); TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00000000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1)); TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x00000000, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0)); TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00000000, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1)); bRet = NtGdiBitBlt(hdc2, 1, 1, -2, -2, hdc1, 2, 2, SRCCOPY, 0, 0); TEST(bRet == TRUE); TEST(GetLastError() == ERROR_SUCCESS); TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x00ffffff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0)); TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00000000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1)); TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x00000000, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0)); TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00000000, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1)); NtGdiSetPixel(hdc2, 0, 0, 0x00000000); bRet = NtGdiBitBlt(hdc2, 2, 2, -2, -2, hdc1, 2, 2, SRCCOPY, 0, 0); TEST(bRet == TRUE); TEST(GetLastError() == ERROR_SUCCESS); TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x000000ff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0)); TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00ff0000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1)); TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x0000ff00, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0)); TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00ffffff, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1)); NtGdiSetPixel(hdc2, 0, 0, 0x00000000); NtGdiSetPixel(hdc2, 1, 0, 0x00000000); NtGdiSetPixel(hdc2, 0, 1, 0x00000000); NtGdiSetPixel(hdc2, 1, 1, 0x00000000); bRet = NtGdiBitBlt(hdc2, 0, 0, 2, 2, hdc1, 0, 0, SRCCOPY, 0, 0); TEST(bRet == TRUE); TEST(GetLastError() == ERROR_SUCCESS); TESTX(NtGdiGetPixel(hdc2, 0, 0) == 0x000000ff, "Pixel[0][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 0)); TESTX(NtGdiGetPixel(hdc2, 0, 1) == 0x00ff0000, "Pixel[0][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 0, 1)); TESTX(NtGdiGetPixel(hdc2, 1, 0) == 0x0000ff00, "Pixel[1][0] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 0)); TESTX(NtGdiGetPixel(hdc2, 1, 1) == 0x00ffffff, "Pixel[1][1] 0x%08x\n", (UINT)NtGdiGetPixel(hdc2, 1, 1)); SelectObject(hdc2, hOldBmp2); SelectObject(hdc1, hOldBmp1); DeleteObject(hbmp2); DeleteObject(hbmp1); DeleteDC(hdc1); DeleteDC(hdc2); return APISTATUS_NORMAL; }