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Sweden-Number/dlls/gdi32/tests/dc.c

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/*
* Unit tests for dc functions
*
* Copyright (c) 2005 Huw Davies
* Copyright (c) 2005 Dmitry Timoshkov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define WINVER 0x0501 /* request latest DEVMODE */
#include <assert.h>
#include <stdio.h>
#include "wine/test.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
static void dump_region(HRGN hrgn)
{
DWORD i, size;
RGNDATA *data = NULL;
RECT *rect;
if (!hrgn)
{
printf( "(null) region\n" );
return;
}
if (!(size = GetRegionData( hrgn, 0, NULL ))) return;
if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return;
GetRegionData( hrgn, size, data );
printf( "%d rects:", data->rdh.nCount );
for (i = 0, rect = (RECT *)data->Buffer; i < data->rdh.nCount; i++, rect++)
printf( " (%d,%d)-(%d,%d)", rect->left, rect->top, rect->right, rect->bottom );
printf( "\n" );
HeapFree( GetProcessHeap(), 0, data );
}
static void test_savedc_2(void)
{
HWND hwnd;
HDC hdc;
HRGN hrgn;
RECT rc, rc_clip;
int ret;
hwnd = CreateWindowExA(0, "static", "", WS_POPUP, 0,0,100,100,
0, 0, 0, NULL);
assert(hwnd != 0);
ShowWindow(hwnd, SW_SHOW);
UpdateWindow(hwnd);
hrgn = CreateRectRgn(0, 0, 0, 0);
assert(hrgn != 0);
hdc = GetDC(hwnd);
ok(hdc != NULL, "GetDC failed\n");
ret = GetClipBox(hdc, &rc_clip);
ok(ret == SIMPLEREGION || broken(ret == COMPLEXREGION), "GetClipBox returned %d instead of SIMPLEREGION\n", ret);
ret = GetClipRgn(hdc, hrgn);
ok(ret == 0, "GetClipRgn returned %d instead of 0\n", ret);
ret = GetRgnBox(hrgn, &rc);
ok(ret == NULLREGION, "GetRgnBox returned %d (%d,%d-%d,%d) instead of NULLREGION\n",
ret, rc.left, rc.top, rc.right, rc.bottom);
/*dump_region(hrgn);*/
SetRect(&rc, 0, 0, 100, 100);
ok(EqualRect(&rc, &rc_clip),
"rects are not equal: (%d,%d-%d,%d) - (%d,%d-%d,%d)\n",
rc.left, rc.top, rc.right, rc.bottom,
rc_clip.left, rc_clip.top, rc_clip.right, rc_clip.bottom);
ret = SaveDC(hdc);
todo_wine
{
ok(ret == 1, "ret = %d\n", ret);
}
ret = IntersectClipRect(hdc, 0, 0, 50, 50);
if (ret == COMPLEXREGION)
{
/* XP returns COMPLEXREGION although dump_region reports only 1 rect */
trace("Windows BUG: IntersectClipRect returned %d instead of SIMPLEREGION\n", ret);
/* let's make sure that it's a simple region */
ret = GetClipRgn(hdc, hrgn);
ok(ret == 1, "GetClipRgn returned %d instead of 1\n", ret);
dump_region(hrgn);
}
else
ok(ret == SIMPLEREGION, "IntersectClipRect returned %d instead of SIMPLEREGION\n", ret);
ret = GetClipBox(hdc, &rc_clip);
ok(ret == SIMPLEREGION || broken(ret == COMPLEXREGION), "GetClipBox returned %d instead of SIMPLEREGION\n", ret);
SetRect(&rc, 0, 0, 50, 50);
ok(EqualRect(&rc, &rc_clip),
"rects are not equal: (%d,%d-%d,%d) - (%d,%d-%d,%d)\n",
rc.left, rc.top, rc.right, rc.bottom,
rc_clip.left, rc_clip.top, rc_clip.right, rc_clip.bottom);
ret = RestoreDC(hdc, 1);
ok(ret, "ret = %d\n", ret);
ret = GetClipBox(hdc, &rc_clip);
ok(ret == SIMPLEREGION || broken(ret == COMPLEXREGION), "GetClipBox returned %d instead of SIMPLEREGION\n", ret);
SetRect(&rc, 0, 0, 100, 100);
ok(EqualRect(&rc, &rc_clip),
"rects are not equal: (%d,%d-%d,%d) - (%d,%d-%d,%d)\n",
rc.left, rc.top, rc.right, rc.bottom,
rc_clip.left, rc_clip.top, rc_clip.right, rc_clip.bottom);
DeleteObject(hrgn);
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);
}
static void test_savedc(void)
{
HDC hdc = CreateDCA("DISPLAY", NULL, NULL, NULL);
int ret;
ok(hdc != NULL, "CreateDC rets %p\n", hdc);
ret = SaveDC(hdc);
ok(ret == 1, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 2, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 3, "ret = %d\n", ret);
ret = RestoreDC(hdc, -1);
ok(ret, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 3, "ret = %d\n", ret);
ret = RestoreDC(hdc, 1);
ok(ret, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 1, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 2, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 3, "ret = %d\n", ret);
ret = RestoreDC(hdc, -2);
ok(ret, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 2, "ret = %d\n", ret);
ret = RestoreDC(hdc, -2);
ok(ret, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 1, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 2, "ret = %d\n", ret);
ret = RestoreDC(hdc, -4);
ok(!ret, "ret = %d\n", ret);
ret = RestoreDC(hdc, 3);
ok(!ret, "ret = %d\n", ret);
/* Under Win9x the following RestoreDC call succeeds and clears the save stack. */
ret = RestoreDC(hdc, -3);
ok(!ret ||
broken(ret), /* Win9x */
"ret = %d\n", ret);
/* Trying to clear an empty save stack fails. */
ret = RestoreDC(hdc, -3);
ok(!ret, "ret = %d\n", ret);
ret = SaveDC(hdc);
ok(ret == 3 ||
broken(ret == 1), /* Win9x */
"ret = %d\n", ret);
/* Under Win9x the following RestoreDC call succeeds and clears the save stack. */
ret = RestoreDC(hdc, 0);
ok(!ret ||
broken(ret), /* Win9x */
"ret = %d\n", ret);
/* Trying to clear an empty save stack fails. */
ret = RestoreDC(hdc, 0);
ok(!ret, "ret = %d\n", ret);
ret = RestoreDC(hdc, 1);
ok(ret ||
broken(!ret), /* Win9x */
"ret = %d\n", ret);
DeleteDC(hdc);
}
static void test_GdiConvertToDevmodeW(void)
{
DEVMODEW * (WINAPI *pGdiConvertToDevmodeW)(const DEVMODEA *);
DEVMODEA dmA;
DEVMODEW *dmW;
BOOL ret;
pGdiConvertToDevmodeW = (void *)GetProcAddress(GetModuleHandleA("gdi32.dll"), "GdiConvertToDevmodeW");
if (!pGdiConvertToDevmodeW)
{
win_skip("GdiConvertToDevmodeW is not available on this platform\n");
return;
}
ret = EnumDisplaySettingsA(NULL, ENUM_CURRENT_SETTINGS, &dmA);
ok(ret, "EnumDisplaySettingsExA error %u\n", GetLastError());
ok(dmA.dmSize >= FIELD_OFFSET(DEVMODEA, dmICMMethod), "dmSize is too small: %04x\n", dmA.dmSize);
ok(dmA.dmSize <= sizeof(DEVMODEA), "dmSize is too large: %04x\n", dmA.dmSize);
dmW = pGdiConvertToDevmodeW(&dmA);
ok(dmW->dmSize >= FIELD_OFFSET(DEVMODEW, dmICMMethod), "dmSize is too small: %04x\n", dmW->dmSize);
ok(dmW->dmSize <= sizeof(DEVMODEW), "dmSize is too large: %04x\n", dmW->dmSize);
HeapFree(GetProcessHeap(), 0, dmW);
dmA.dmSize = FIELD_OFFSET(DEVMODEA, dmFields) + sizeof(dmA.dmFields);
dmW = pGdiConvertToDevmodeW(&dmA);
ok(dmW->dmSize == FIELD_OFFSET(DEVMODEW, dmFields) + sizeof(dmW->dmFields),
"wrong size %u\n", dmW->dmSize);
HeapFree(GetProcessHeap(), 0, dmW);
dmA.dmICMMethod = DMICMMETHOD_NONE;
dmA.dmSize = FIELD_OFFSET(DEVMODEA, dmICMMethod) + sizeof(dmA.dmICMMethod);
dmW = pGdiConvertToDevmodeW(&dmA);
ok(dmW->dmSize == FIELD_OFFSET(DEVMODEW, dmICMMethod) + sizeof(dmW->dmICMMethod),
"wrong size %u\n", dmW->dmSize);
ok(dmW->dmICMMethod == DMICMMETHOD_NONE,
"expected DMICMMETHOD_NONE, got %u\n", dmW->dmICMMethod);
HeapFree(GetProcessHeap(), 0, dmW);
dmA.dmSize = 1024;
dmW = pGdiConvertToDevmodeW(&dmA);
ok(dmW->dmSize == FIELD_OFFSET(DEVMODEW, dmPanningHeight) + sizeof(dmW->dmPanningHeight),
"wrong size %u\n", dmW->dmSize);
HeapFree(GetProcessHeap(), 0, dmW);
SetLastError(0xdeadbeef);
dmA.dmSize = 0;
dmW = pGdiConvertToDevmodeW(&dmA);
ok(!dmW, "GdiConvertToDevmodeW should fail\n");
ok(GetLastError() == 0xdeadbeef, "expected 0xdeadbeef, got %u\n", GetLastError());
/* this is the minimal dmSize that XP accepts */
dmA.dmSize = FIELD_OFFSET(DEVMODEA, dmFields);
dmW = pGdiConvertToDevmodeW(&dmA);
ok(dmW->dmSize == FIELD_OFFSET(DEVMODEW, dmFields),
"expected %04x, got %04x\n", FIELD_OFFSET(DEVMODEW, dmFields), dmW->dmSize);
HeapFree(GetProcessHeap(), 0, dmW);
}
static void test_CreateCompatibleDC(void)
{
BOOL bRet;
HDC hDC;
HDC hNewDC;
/* Create a DC compatible with the screen */
hDC = CreateCompatibleDC(NULL);
ok(hDC != NULL, "CreateCompatibleDC returned %p\n", hDC);
/* Delete this DC, this should succeed */
bRet = DeleteDC(hDC);
ok(bRet == TRUE, "DeleteDC returned %u\n", bRet);
/* Try to create a DC compatible to the deleted DC. This has to fail */
hNewDC = CreateCompatibleDC(hDC);
ok(hNewDC == NULL, "CreateCompatibleDC returned %p\n", hNewDC);
}
static void test_DC_bitmap(void)
{
HDC hdc, hdcmem;
DWORD bits[64];
HBITMAP hbmp, oldhbmp;
COLORREF col;
int i, bitspixel;
/* fill bitmap data with b&w pattern */
for( i = 0; i < 64; i++) bits[i] = i & 1 ? 0 : 0xffffff;
hdc = GetDC(0);
ok( hdc != NULL, "CreateDC rets %p\n", hdc);
bitspixel = GetDeviceCaps( hdc, BITSPIXEL);
/* create a memory dc */
hdcmem = CreateCompatibleDC( hdc);
ok( hdcmem != NULL, "CreateCompatibleDC rets %p\n", hdcmem);
/* tests */
/* test monochrome bitmap: should always work */
hbmp = CreateBitmap(32, 32, 1, 1, bits);
ok( hbmp != NULL, "CreateBitmap returns %p\n", hbmp);
oldhbmp = SelectObject( hdcmem, hbmp);
ok( oldhbmp != NULL, "SelectObject returned NULL\n" ); /* a memdc always has a bitmap selected */
col = GetPixel( hdcmem, 0, 0);
ok( col == 0xffffff, "GetPixel returned %08x, expected 00ffffff\n", col);
col = GetPixel( hdcmem, 1, 1);
ok( col == 0x000000, "GetPixel returned %08x, expected 00000000\n", col);
col = GetPixel( hdcmem, 100, 1);
ok( col == CLR_INVALID, "GetPixel returned %08x, expected ffffffff\n", col);
SelectObject( hdcmem, oldhbmp);
DeleteObject( hbmp);
/* test with 2 bits color depth, not likely to succeed */
hbmp = CreateBitmap(16, 16, 1, 2, bits);
ok( hbmp != NULL, "CreateBitmap returns %p\n", hbmp);
oldhbmp = SelectObject( hdcmem, hbmp);
if( bitspixel != 2)
ok( !oldhbmp, "SelectObject of a bitmap with 2 bits/pixel should return NULL\n");
if( oldhbmp) SelectObject( hdcmem, oldhbmp);
DeleteObject( hbmp);
/* test with 16 bits color depth, might succeed */
hbmp = CreateBitmap(6, 6, 1, 16, bits);
ok( hbmp != NULL, "CreateBitmap returns %p\n", hbmp);
oldhbmp = SelectObject( hdcmem, hbmp);
if( bitspixel == 16) {
ok( oldhbmp != NULL, "SelectObject returned NULL\n" );
col = GetPixel( hdcmem, 0, 0);
ok( col == 0xffffff,
"GetPixel of a bitmap with 16 bits/pixel returned %08x, expected 00ffffff\n", col);
col = GetPixel( hdcmem, 1, 1);
ok( col == 0x000000,
"GetPixel of a bitmap with 16 bits/pixel returned returned %08x, expected 00000000\n", col);
}
if( oldhbmp) SelectObject( hdcmem, oldhbmp);
DeleteObject( hbmp);
/* test with 32 bits color depth, probably succeed */
hbmp = CreateBitmap(4, 4, 1, 32, bits);
ok( hbmp != NULL, "CreateBitmap returns %p\n", hbmp);
oldhbmp = SelectObject( hdcmem, hbmp);
if( bitspixel == 32) {
ok( oldhbmp != NULL, "SelectObject returned NULL\n" );
col = GetPixel( hdcmem, 0, 0);
ok( col == 0xffffff,
"GetPixel of a bitmap with 32 bits/pixel returned %08x, expected 00ffffff\n", col);
col = GetPixel( hdcmem, 1, 1);
ok( col == 0x000000,
"GetPixel of a bitmap with 32 bits/pixel returned returned %08x, expected 00000000\n", col);
}
if( oldhbmp) SelectObject( hdcmem, oldhbmp);
DeleteObject( hbmp);
ReleaseDC( 0, hdc );
}
static void test_DeleteDC(void)
{
HWND hwnd;
HDC hdc, hdc_test;
WNDCLASSEX cls;
int ret;
/* window DC */
hwnd = CreateWindowExA(0, "static", NULL, WS_POPUP|WS_VISIBLE, 0,0,100,100,
0, 0, 0, NULL);
ok(hwnd != 0, "CreateWindowExA failed\n");
hdc = GetDC(hwnd);
ok(hdc != 0, "GetDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = DeleteDC(hdc);
ok(ret, "DeleteDC failed\n");
ret = GetObjectType(hdc);
ok(!ret || broken(ret) /* win9x */, "GetObjectType should fail for a deleted DC\n");
hdc = GetWindowDC(hwnd);
ok(hdc != 0, "GetDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = DeleteDC(hdc);
ok(ret, "DeleteDC failed\n");
ret = GetObjectType(hdc);
ok(!ret || broken(ret) /* win9x */, "GetObjectType should fail for a deleted DC\n");
DestroyWindow(hwnd);
/* desktop window DC */
hwnd = GetDesktopWindow();
ok(hwnd != 0, "GetDesktopWindow failed\n");
hdc = GetDC(hwnd);
ok(hdc != 0, "GetDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = DeleteDC(hdc);
ok(ret, "DeleteDC failed\n");
ret = GetObjectType(hdc);
ok(!ret || broken(ret) /* win9x */, "GetObjectType should fail for a deleted DC\n");
hdc = GetWindowDC(hwnd);
ok(hdc != 0, "GetDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = DeleteDC(hdc);
ok(ret, "DeleteDC failed\n");
ret = GetObjectType(hdc);
ok(!ret || broken(ret) /* win9x */, "GetObjectType should fail for a deleted DC\n");
/* CS_CLASSDC */
memset(&cls, 0, sizeof(cls));
cls.cbSize = sizeof(cls);
cls.style = CS_CLASSDC;
cls.hInstance = GetModuleHandle(0);
cls.lpszClassName = "Wine class DC";
cls.lpfnWndProc = DefWindowProcA;
ret = RegisterClassExA(&cls);
ok(ret, "RegisterClassExA failed\n");
hwnd = CreateWindowExA(0, "Wine class DC", NULL, WS_POPUP|WS_VISIBLE, 0,0,100,100,
0, 0, 0, NULL);
ok(hwnd != 0, "CreateWindowExA failed\n");
hdc = GetDC(hwnd);
ok(hdc != 0, "GetDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = DeleteDC(hdc);
ok(ret, "DeleteDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = ReleaseDC(hwnd, hdc);
ok(ret, "ReleaseDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
hdc_test = hdc;
hdc = GetWindowDC(hwnd);
ok(hdc != 0, "GetDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = DeleteDC(hdc);
ok(ret, "DeleteDC failed\n");
ret = GetObjectType(hdc);
ok(!ret || broken(ret) /* win9x */, "GetObjectType should fail for a deleted DC\n");
DestroyWindow(hwnd);
ret = GetObjectType(hdc_test);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = UnregisterClassA("Wine class DC", GetModuleHandle(NULL));
ok(ret, "UnregisterClassA failed\n");
ret = GetObjectType(hdc_test);
todo_wine
ok(!ret, "GetObjectType should fail for a deleted DC\n");
/* CS_OWNDC */
memset(&cls, 0, sizeof(cls));
cls.cbSize = sizeof(cls);
cls.style = CS_OWNDC;
cls.hInstance = GetModuleHandle(0);
cls.lpszClassName = "Wine own DC";
cls.lpfnWndProc = DefWindowProcA;
ret = RegisterClassExA(&cls);
ok(ret, "RegisterClassExA failed\n");
hwnd = CreateWindowExA(0, "Wine own DC", NULL, WS_POPUP|WS_VISIBLE, 0,0,100,100,
0, 0, 0, NULL);
ok(hwnd != 0, "CreateWindowExA failed\n");
hdc = GetDC(hwnd);
ok(hdc != 0, "GetDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = DeleteDC(hdc);
ok(ret, "DeleteDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = ReleaseDC(hwnd, hdc);
ok(ret, "ReleaseDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
hdc = GetWindowDC(hwnd);
ok(hdc != 0, "GetDC failed\n");
ret = GetObjectType(hdc);
ok(ret == OBJ_DC, "expected OBJ_DC, got %d\n", ret);
ret = DeleteDC(hdc);
ok(ret, "DeleteDC failed\n");
ret = GetObjectType(hdc);
ok(!ret || broken(ret) /* win9x */, "GetObjectType should fail for a deleted DC\n");
DestroyWindow(hwnd);
ret = UnregisterClassA("Wine own DC", GetModuleHandle(NULL));
ok(ret, "UnregisterClassA failed\n");
}
static void test_boundsrect_invalid(void)
{
HDC hdc;
RECT rect, expect, set_rect;
UINT ret;
hdc = GetDC(NULL);
ok(hdc != NULL, "GetDC failed\n");
ret = GetBoundsRect(hdc, NULL, 0);
ok(ret == 0 ||
broken(ret == DCB_RESET), /* Win9x */
"Expected GetBoundsRect to return 0, got %u\n", ret);
ret = GetBoundsRect(hdc, NULL, ~0U);
ok(ret == 0 ||
broken(ret == DCB_RESET), /* Win9x */
"Expected GetBoundsRect to return 0, got %u\n", ret);
if (GetBoundsRect(hdc, NULL, 0) == DCB_RESET)
win_skip("Win9x fails catastrophically with first GetBoundsRect call\n");
else
{
/* Test parameter handling order. */
SetRect(&set_rect, 10, 20, 40, 50);
ret = SetBoundsRect(hdc, &set_rect, DCB_SET);
ok(ret & DCB_RESET,
"Expected return flag DCB_RESET to be set, got %u\n", ret);
ret = GetBoundsRect(hdc, NULL, DCB_RESET);
ok(ret == 0,
"Expected GetBoundsRect to return 0, got %u\n", ret);
ret = GetBoundsRect(hdc, &rect, 0);
if (ret != DCB_SET) /* WinME */
{
ok(ret == DCB_RESET,
"Expected GetBoundsRect to return DCB_RESET, got %u\n", ret);
SetRect(&expect, 0, 0, 0, 0);
ok(EqualRect(&rect, &expect) ||
broken(EqualRect(&rect, &set_rect)), /* nt4 sp1-5 */
"Expected output rectangle (0,0)-(0,0), got (%d,%d)-(%d,%d)\n",
rect.left, rect.top, rect.right, rect.bottom);
}
}
if (GetBoundsRect(hdc, NULL, 0) == DCB_RESET)
win_skip("Win9x fails catastrophically with NULL device context parameter\n");
else
{
ret = GetBoundsRect(NULL, NULL, 0);
ok(ret == 0, "Expected GetBoundsRect to return 0, got %u\n", ret);
ret = GetBoundsRect(NULL, NULL, ~0U);
ok(ret == 0, "Expected GetBoundsRect to return 0, got %u\n", ret);
ret = SetBoundsRect(NULL, NULL, 0);
ok(ret == 0, "Expected SetBoundsRect to return 0, got %u\n", ret);
ret = SetBoundsRect(NULL, NULL, ~0U);
ok(ret == 0, "Expected SetBoundsRect to return 0, got %u\n", ret);
}
ReleaseDC(NULL, hdc);
}
static void test_desktop_colorres(void)
{
HDC hdc = GetDC(NULL);
int bitspixel, colorres;
bitspixel = GetDeviceCaps(hdc, BITSPIXEL);
ok(bitspixel != 0, "Expected to get valid BITSPIXEL capability value\n");
colorres = GetDeviceCaps(hdc, COLORRES);
ok(colorres != 0 ||
broken(colorres == 0), /* Win9x */
"Expected to get valid COLORRES capability value\n");
if (colorres)
{
switch (bitspixel)
{
case 8:
ok(colorres == 18,
"Expected COLORRES to be 18, got %d\n", colorres);
break;
case 16:
ok(colorres == 16,
"Expected COLORRES to be 16, got %d\n", colorres);
break;
case 24:
case 32:
ok(colorres == 24,
"Expected COLORRES to be 24, got %d\n", bitspixel);
break;
default:
ok(0, "Got unknown BITSPIXEL %d with COLORRES %d\n", bitspixel, colorres);
break;
}
}
ReleaseDC(NULL, hdc);
}
static void test_gamma(void)
{
BOOL ret;
HDC hdc = GetDC(NULL);
WORD oldramp[3][256], ramp[3][256];
INT i;
ret = GetDeviceGammaRamp(hdc, &oldramp);
if (!ret)
{
win_skip("GetDeviceGammaRamp failed, skipping tests\n");
goto done;
}
/* try to set back old ramp */
ret = SetDeviceGammaRamp(hdc, &oldramp);
if (!ret)
{
win_skip("SetDeviceGammaRamp failed, skipping tests\n");
goto done;
}
memcpy(ramp, oldramp, sizeof(ramp));
/* set one color ramp to zeros */
memset(ramp[0], 0, sizeof(ramp[0]));
ret = SetDeviceGammaRamp(hdc, &ramp);
ok(!ret, "SetDeviceGammaRamp succeeded\n");
/* set one color ramp to a flat straight rising line */
for (i = 0; i < 256; i++) ramp[0][i] = i;
ret = SetDeviceGammaRamp(hdc, &ramp);
todo_wine ok(!ret, "SetDeviceGammaRamp succeeded\n");
/* set one color ramp to a steep straight rising line */
for (i = 0; i < 256; i++) ramp[0][i] = i * 256;
ret = SetDeviceGammaRamp(hdc, &ramp);
ok(ret, "SetDeviceGammaRamp failed\n");
/* cleanup: set old ramp again */
ret = SetDeviceGammaRamp(hdc, &oldramp);
ok(ret, "SetDeviceGammaRamp failed\n");
done:
ReleaseDC(NULL, hdc);
}
START_TEST(dc)
{
test_savedc();
test_savedc_2();
test_GdiConvertToDevmodeW();
test_CreateCompatibleDC();
test_DC_bitmap();
test_DeleteDC();
test_boundsrect_invalid();
test_desktop_colorres();
test_gamma();
}
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