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user32/tests: Test NUMCOLORS for display DCs. 

Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zhiyi Zhang 2022-04-18 14:55:29 +08:00 committed by Alexandre Julliard
parent 6c784f2c46
commit bfed433024
1 changed files with 91 additions and 1 deletions
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92
dlls/user32/tests/monitor.c
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@ -2187,8 +2187,10 @@ static void _check_display_dc(INT line, HDC hdc, const DEVMODEA *dm, BOOL allow_
static void test_display_dc(void)
{
static const INT bpps[] = {1, 4, 8, 16, 24, 32};
unsigned char buffer[sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)];
BITMAPINFO *bmi = (BITMAPINFO *)buffer;
INT count, old_count, i, bpp, value;
HBITMAP hbitmap, old_hbitmap;
INT count, old_count, i, bpp;
DWORD device_idx, mode_idx;
DEVMODEA dm, dm2, dm3;
DISPLAY_DEVICEA dd;
@ -2241,7 +2243,95 @@ static void test_display_dc(void)
winetest_pop_context();
}
/* Test selecting a DIB of a different depth into a display compatible DC */
for (i = 0; i < ARRAY_SIZE(bpps); ++i)
{
winetest_push_context("bpp %d", bpps[i]);
mem_dc = CreateCompatibleDC(hdc);
memset(buffer, 0, sizeof(buffer));
bmi->bmiHeader.biSize = sizeof(bmi->bmiHeader);
bmi->bmiHeader.biWidth = dm.dmPelsWidth;
bmi->bmiHeader.biHeight = dm.dmPelsHeight;
bmi->bmiHeader.biBitCount = bpps[i];
bmi->bmiHeader.biPlanes = 1;
bmi->bmiHeader.biCompression = BI_RGB;
hbitmap = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, NULL, NULL, 0);
ok(!!hbitmap, "CreateDIBSection failed, error %ld.\n", GetLastError());
old_hbitmap = SelectObject(mem_dc, hbitmap);
ok(!!old_hbitmap, "Failed to select bitmap.\n");
value = GetDeviceCaps(mem_dc, BITSPIXEL);
ok(value == 32, "Expected 32, got %d.\n", value);
value = GetDeviceCaps(mem_dc, NUMCOLORS);
ok(value == -1, "Expected -1, got %d.\n", value);
SelectObject(mem_dc, old_hbitmap);
DeleteObject(hbitmap);
DeleteDC(mem_dc);
winetest_pop_context();
}
/* Test NUMCOLORS for display DCs */
for (i = ARRAY_SIZE(bpps) - 1; i >= 0; --i)
{
winetest_push_context("bpp %d", bpps[i]);
ret = EnumDisplaySettingsA(NULL, ENUM_CURRENT_SETTINGS, &dm);
ok(ret, "EnumDisplaySettingsA failed.\n");
if (bpps[i] == dm.dmBitsPerPel)
{
res = DISP_CHANGE_SUCCESSFUL;
}
else
{
memset(&dm2, 0, sizeof(dm2));
dm2.dmSize = sizeof(dm2);
for (mode_idx = 0; EnumDisplaySettingsA(NULL, mode_idx, &dm2); ++mode_idx)
{
if (dm2.dmBitsPerPel == bpps[i])
break;
}
if (dm2.dmBitsPerPel != bpps[i])
{
skip("%d-bit display mode not found.\n", bpps[i]);
winetest_pop_context();
continue;
}
res = ChangeDisplaySettingsExA(NULL, &dm2, NULL, CDS_RESET, NULL);
/* Win8 TestBots */
ok(res == DISP_CHANGE_SUCCESSFUL || broken(res == DISP_CHANGE_FAILED),
"ChangeDisplaySettingsExA returned unexpected %ld.\n", res);
}
if (res == DISP_CHANGE_SUCCESSFUL)
{
value = GetDeviceCaps(hdc, BITSPIXEL);
ok(value == (bpps[i] == 4 ? 1 : bpps[i]), "Expected %d, got %d.\n",
(bpps[i] == 4 ? 1 : bpps[i]), value);
value = GetDeviceCaps(hdc, NUMCOLORS);
if (bpps[i] > 8 || (bpps[i] == 8 && LOBYTE(LOWORD(GetVersion())) >= 6))
todo_wine_if(bpps[i] == 8 && LOBYTE(LOWORD(GetVersion())) >= 6)
ok(value == -1, "Expected -1, got %d.\n", value);
else if (bpps[i] == 8 && LOBYTE(LOWORD(GetVersion())) < 6)
ok(value > 16 && value <= 256, "Got %d.\n", value);
else
ok(value == 1 << bpps[i], "Expected %d, got %d.\n", 1 << bpps[i], value);
}
winetest_pop_context();
}
res = ChangeDisplaySettingsExA(NULL, NULL, NULL, 0, NULL);
/* Win8 TestBots */
ok(res == DISP_CHANGE_SUCCESSFUL || broken(res == DISP_CHANGE_FAILED),
"ChangeDisplaySettingsExA returned unexpected %ld.\n", res);
/* Test selecting a DDB of the same color depth into a display compatible DC */
ret = EnumDisplaySettingsA(NULL, ENUM_CURRENT_SETTINGS, &dm);
ok(ret, "EnumDisplaySettingsA failed.\n");
mem_dc = CreateCompatibleDC(hdc);
bpp = GetDeviceCaps(mem_dc, BITSPIXEL);
ok(bpp == dm.dmBitsPerPel, "Expected bpp %ld, got %d.\n", dm.dmBitsPerPel, bpp);