Zebediah Figura : user32: Do not use SetDIBits() in create_masked_bitmap().
Module: wine Branch: master Commit: 197f2ee6c0e2dd70cfac6e15ede7fc0e38948188 URL: https://source.winehq.org/git/wine.git/?a=commit;h=197f2ee6c0e2dd70cfac6e15e... Author: Zebediah Figura <zfigura(a)codeweavers.com> Date: Wed Dec 15 16:49:16 2021 -0600 user32: Do not use SetDIBits() in create_masked_bitmap(). The given bitmap is in DDB format, not DIB format. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51296 Signed-off-by: Zebediah Figura <zfigura(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/user32/cursoricon.c | 31 +++++++++++++++------------- dlls/user32/tests/cursoricon.c | 47 +++++++++++++++++++++++++++--------------- 2 files changed, 47 insertions(+), 31 deletions(-) diff --git a/dlls/user32/cursoricon.c b/dlls/user32/cursoricon.c index 827db302a30..828c88de92f 100644 --- a/dlls/user32/cursoricon.c +++ b/dlls/user32/cursoricon.c @@ -1753,22 +1753,25 @@ static HICON CURSORICON_Load(HINSTANCE hInstance, LPCWSTR name, static HBITMAP create_masked_bitmap( int width, int height, const void *and, const void *xor ) { - HDC dc = CreateCompatibleDC( 0 ); - HBITMAP bitmap; - - const BITMAPINFO bitmap_info = - { - .bmiHeader.biSize = sizeof(BITMAPINFOHEADER), - .bmiHeader.biWidth = width, - .bmiHeader.biHeight = height * 2, - .bmiHeader.biPlanes = 1, - .bmiHeader.biBitCount = 1, - }; + HBITMAP and_bitmap, xor_bitmap, bitmap; + HDC src_dc, dst_dc; + and_bitmap = CreateBitmap( width, height, 1, 1, and ); + xor_bitmap = CreateBitmap( width, height, 1, 1, xor ); bitmap = CreateBitmap( width, height * 2, 1, 1, NULL ); - SetDIBits( dc, bitmap, 0, height, and, &bitmap_info, FALSE ); - SetDIBits( dc, bitmap, height, height, xor, &bitmap_info, FALSE ); - DeleteDC( dc ); + src_dc = CreateCompatibleDC( 0 ); + dst_dc = CreateCompatibleDC( 0 ); + + SelectObject( dst_dc, bitmap ); + SelectObject( src_dc, and_bitmap ); + BitBlt( dst_dc, 0, 0, width, height, src_dc, 0, 0, SRCCOPY ); + SelectObject( src_dc, xor_bitmap ); + BitBlt( dst_dc, 0, height, width, height, src_dc, 0, 0, SRCCOPY ); + + DeleteObject( and_bitmap ); + DeleteObject( xor_bitmap ); + DeleteDC( src_dc ); + DeleteDC( dst_dc ); return bitmap; } diff --git a/dlls/user32/tests/cursoricon.c b/dlls/user32/tests/cursoricon.c index 1bbe2591d59..3e8d7c1707f 100644 --- a/dlls/user32/tests/cursoricon.c +++ b/dlls/user32/tests/cursoricon.c @@ -769,8 +769,9 @@ static void test_initial_cursor(void) } static void test_icon_info_(HICON hIcon, UINT exp_cx, UINT exp_cy, - UINT exp_mask_cy, UINT exp_bpp, UINT has_color, int line) + UINT exp_mask_cy, UINT exp_bpp, const BYTE *mask_bits, UINT has_color, int line) { + BYTE ret_bits[1024]; ICONINFO info; DWORD ret; BITMAP bmMask, bmColor; @@ -783,6 +784,15 @@ static void test_icon_info_(HICON hIcon, UINT exp_cx, UINT exp_cy, ok_(__FILE__, line)(info.yHotspot == exp_cy/2, "info.yHotspot = %u\n", info.yHotspot); ok_(__FILE__, line)(info.hbmMask != 0, "info.hbmMask is NULL\n"); + if (mask_bits) + { + unsigned int exp_stride = (exp_cx + 7) / 8; + exp_stride = (exp_stride + 1) & ~1; + ret = GetBitmapBits(info.hbmMask, sizeof(ret_bits), ret_bits); + ok_(__FILE__, line)(ret == exp_stride * exp_mask_cy, "GetBitmapBits returned %u\n", ret); + ok_(__FILE__, line)(!memcmp(ret_bits, mask_bits, ret), "mask bitmap didn't match\n"); + } + ret = GetObjectA(info.hbmMask, sizeof(bmMask), &bmMask); ok_(__FILE__, line)(ret == sizeof(bmMask), "GetObject(info.hbmMask) failed, ret %u\n", ret); @@ -849,11 +859,11 @@ static void test_icon_info_(HICON hIcon, UINT exp_cx, UINT exp_cy, } } -#define test_icon_info(a,b,c,d,e,f) test_icon_info_(a,b,c,d,e,f,__LINE__) +#define test_icon_info(a,b,c,d,e,f,g) test_icon_info_(a,b,c,d,e,f,g,__LINE__) static void test_CreateIcon(void) { - static const BYTE bmp_bits[1024]; + BYTE bmp_bits[1024]; HICON hIcon; HBITMAP hbmMask, hbmColor; BITMAPINFO *bmpinfo; @@ -863,6 +873,9 @@ static void test_CreateIcon(void) UINT display_bpp; int i; + for (i = 0; i < sizeof(bmp_bits); ++i) + bmp_bits[i] = 111 * i; + hdc = GetDC(0); display_bpp = GetDeviceCaps(hdc, BITSPIXEL); @@ -871,19 +884,19 @@ static void test_CreateIcon(void) hIcon = CreateIcon(0, 16, 16, 1, 1, NULL, bmp_bits); */ - hIcon = CreateIcon(0, 16, 16, 1, 1, bmp_bits, bmp_bits); + hIcon = CreateIcon(0, 16, 16, 1, 1, bmp_bits, &bmp_bits[16 * 16 / 8]); ok(hIcon != 0, "CreateIcon failed\n"); - test_icon_info(hIcon, 16, 16, 32, 1, FALSE); + test_icon_info(hIcon, 16, 16, 32, 1, bmp_bits, FALSE); DestroyIcon(hIcon); - hIcon = CreateCursor(0, 8, 8, 16, 16, bmp_bits, bmp_bits); + hIcon = CreateCursor(0, 8, 8, 16, 16, bmp_bits, &bmp_bits[16 * 16 / 8]); ok(hIcon != 0, "CreateCursor failed\n"); - test_icon_info(hIcon, 16, 16, 32, 1, FALSE); + test_icon_info(hIcon, 16, 16, 32, 1, bmp_bits, FALSE); DestroyCursor(hIcon); hIcon = CreateIcon(0, 16, 16, 1, display_bpp, bmp_bits, bmp_bits); ok(hIcon != 0, "CreateIcon failed\n"); - test_icon_info(hIcon, 16, 16, 16, display_bpp, TRUE); + test_icon_info(hIcon, 16, 16, 16, display_bpp, bmp_bits, TRUE); DestroyIcon(hIcon); hbmMask = CreateBitmap(16, 16, 1, 1, bmp_bits); @@ -918,7 +931,7 @@ static void test_CreateIcon(void) info.hbmColor = hbmColor; hIcon = CreateIconIndirect(&info); ok(hIcon != 0, "CreateIconIndirect failed\n"); - test_icon_info(hIcon, 16, 16, 16, display_bpp, TRUE); + test_icon_info(hIcon, 16, 16, 16, display_bpp, bmp_bits, TRUE); DestroyIcon(hIcon); DeleteObject(hbmMask); @@ -935,7 +948,7 @@ static void test_CreateIcon(void) SetLastError(0xdeadbeaf); hIcon = CreateIconIndirect(&info); ok(hIcon != 0, "CreateIconIndirect failed\n"); - test_icon_info(hIcon, 16, 16, 32, 1, FALSE); + test_icon_info(hIcon, 16, 16, 32, 1, bmp_bits, FALSE); DestroyIcon(hIcon); info.hbmMask = hbmMask; @@ -943,7 +956,7 @@ static void test_CreateIcon(void) SetLastError(0xdeadbeaf); hIcon = CreateIconIndirect(&info); ok(hIcon != 0, "CreateIconIndirect failed\n"); - test_icon_info(hIcon, 16, 32, 32, 1, TRUE); + test_icon_info(hIcon, 16, 32, 32, 1, bmp_bits, TRUE); DestroyIcon(hIcon); DeleteObject(hbmMask); @@ -961,7 +974,7 @@ static void test_CreateIcon(void) SetLastError(0xdeadbeaf); hIcon = CreateIconIndirect(&info); ok(hIcon != 0, "CreateIconIndirect failed\n"); - test_icon_info(hIcon, 1, i / 2, max(i,1), 1, FALSE); + test_icon_info(hIcon, 1, i / 2, max(i,1), 1, NULL, FALSE); DestroyIcon(hIcon); DeleteObject(hbmMask); } @@ -974,7 +987,7 @@ static void test_CreateIcon(void) SetLastError(0xdeadbeaf); hIcon = CreateIconIndirect(&info); ok(hIcon != 0, "CreateIconIndirect failed\n"); - test_icon_info(hIcon, 16, 16, 32, 1, FALSE); + test_icon_info(hIcon, 16, 16, 32, 1, NULL, FALSE); DestroyIcon(hIcon); DeleteObject(hbmMask); @@ -1006,7 +1019,7 @@ static void test_CreateIcon(void) SetLastError(0xdeadbeaf); hIcon = CreateIconIndirect(&info); ok(hIcon != 0, "CreateIconIndirect failed\n"); - test_icon_info(hIcon, 32, 32, 32, 8, TRUE); + test_icon_info(hIcon, 32, 32, 32, 8, NULL, TRUE); DestroyIcon(hIcon); DeleteObject(hbmColor); @@ -1024,7 +1037,7 @@ static void test_CreateIcon(void) SetLastError(0xdeadbeaf); hIcon = CreateIconIndirect(&info); ok(hIcon != 0, "CreateIconIndirect failed\n"); - test_icon_info(hIcon, 32, 32, 32, 8, TRUE); + test_icon_info(hIcon, 32, 32, 32, 8, NULL, TRUE); DestroyIcon(hIcon); DeleteObject(hbmColor); @@ -1042,7 +1055,7 @@ static void test_CreateIcon(void) SetLastError(0xdeadbeaf); hIcon = CreateIconIndirect(&info); ok(hIcon != 0, "CreateIconIndirect failed\n"); - test_icon_info(hIcon, 32, 32, 32, 8, TRUE); + test_icon_info(hIcon, 32, 32, 32, 8, NULL, TRUE); DestroyIcon(hIcon); DeleteObject(hbmMask); @@ -2812,7 +2825,7 @@ static void test_PrivateExtractIcons(void) ok(ret == 1, "PrivateExtractIconsA returned %u\n", ret); ok(icon != NULL, "icon == NULL\n"); - test_icon_info(icon, 32, 32, 32, 32, TRUE); + test_icon_info(icon, 32, 32, 32, 32, NULL, TRUE); DestroyIcon(icon); DeleteFileA("extract.ico");
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Alexandre Julliard