339 lines
11 KiB
C
339 lines
11 KiB
C
/*
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* Unit tests for dc functions
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*
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* Copyright (c) 2005 Huw Davies
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* Copyright (c) 2005 Dmitry Timoshkov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define WINVER 0x0501 /* request latest DEVMODE */
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#include <assert.h>
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#include <stdio.h>
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#include "wine/test.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winerror.h"
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static void dump_region(HRGN hrgn)
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{
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DWORD i, size;
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RGNDATA *data = NULL;
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RECT *rect;
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if (!hrgn)
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{
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printf( "(null) region\n" );
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return;
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}
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if (!(size = GetRegionData( hrgn, 0, NULL ))) return;
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if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return;
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GetRegionData( hrgn, size, data );
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printf( "%d rects:", data->rdh.nCount );
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for (i = 0, rect = (RECT *)data->Buffer; i < data->rdh.nCount; i++, rect++)
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printf( " (%d,%d)-(%d,%d)", rect->left, rect->top, rect->right, rect->bottom );
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printf( "\n" );
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HeapFree( GetProcessHeap(), 0, data );
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}
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static void test_savedc_2(void)
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{
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HWND hwnd;
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HDC hdc;
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HRGN hrgn;
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RECT rc, rc_clip;
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int ret;
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hwnd = CreateWindowExA(0, "static", "", WS_POPUP, 0,0,100,100,
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0, 0, 0, NULL);
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assert(hwnd != 0);
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ShowWindow(hwnd, SW_SHOW);
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UpdateWindow(hwnd);
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hrgn = CreateRectRgn(0, 0, 0, 0);
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assert(hrgn != 0);
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hdc = GetDC(hwnd);
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ok(hdc != NULL, "CreateDC rets %p\n", hdc);
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ret = GetClipBox(hdc, &rc_clip);
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ok(ret == SIMPLEREGION, "GetClipBox returned %d instead of SIMPLEREGION\n", ret);
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ret = GetClipRgn(hdc, hrgn);
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ok(ret == 0, "GetClipRgn returned %d instead of 0\n", ret);
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ret = GetRgnBox(hrgn, &rc);
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ok(ret == NULLREGION, "GetRgnBox returned %d (%d,%d-%d,%d) instead of NULLREGION\n",
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ret, rc.left, rc.top, rc.right, rc.bottom);
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/*dump_region(hrgn);*/
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SetRect(&rc, 0, 0, 100, 100);
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ok(EqualRect(&rc, &rc_clip),
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"rects are not equal: (%d,%d-%d,%d) - (%d,%d-%d,%d)\n",
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rc.left, rc.top, rc.right, rc.bottom,
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rc_clip.left, rc_clip.top, rc_clip.right, rc_clip.bottom);
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ret = SaveDC(hdc);
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todo_wine
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{
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ok(ret == 1, "ret = %d\n", ret);
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}
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ret = IntersectClipRect(hdc, 0, 0, 50, 50);
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if (ret == COMPLEXREGION)
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{
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/* XP returns COMPLEXREGION although dump_region reports only 1 rect */
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trace("Windows BUG: IntersectClipRect returned %d instead of SIMPLEREGION\n", ret);
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/* let's make sure that it's a simple region */
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ret = GetClipRgn(hdc, hrgn);
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ok(ret == 1, "GetClipRgn returned %d instead of 1\n", ret);
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dump_region(hrgn);
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}
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else
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ok(ret == SIMPLEREGION, "IntersectClipRect returned %d instead of SIMPLEREGION\n", ret);
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ret = GetClipBox(hdc, &rc_clip);
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ok(ret == SIMPLEREGION, "GetClipBox returned %d instead of SIMPLEREGION\n", ret);
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SetRect(&rc, 0, 0, 50, 50);
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ok(EqualRect(&rc, &rc_clip), "rects are not equal\n");
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ret = RestoreDC(hdc, 1);
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ok(ret, "ret = %d\n", ret);
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ret = GetClipBox(hdc, &rc_clip);
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ok(ret == SIMPLEREGION, "GetClipBox returned %d instead of SIMPLEREGION\n", ret);
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SetRect(&rc, 0, 0, 100, 100);
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ok(EqualRect(&rc, &rc_clip), "rects are not equal\n");
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DeleteObject(hrgn);
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ReleaseDC(hwnd, hdc);
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DestroyWindow(hwnd);
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}
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static void test_savedc(void)
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{
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HDC hdc = CreateDCA("DISPLAY", NULL, NULL, NULL);
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int ret;
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ok(hdc != NULL, "CreateDC rets %p\n", hdc);
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ret = SaveDC(hdc);
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ok(ret == 1, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 2, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 3, "ret = %d\n", ret);
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ret = RestoreDC(hdc, -1);
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ok(ret, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 3, "ret = %d\n", ret);
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ret = RestoreDC(hdc, 1);
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ok(ret, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 1, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 2, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 3, "ret = %d\n", ret);
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ret = RestoreDC(hdc, -2);
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ok(ret, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 2, "ret = %d\n", ret);
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ret = RestoreDC(hdc, -2);
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ok(ret, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 1, "ret = %d\n", ret);
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ret = SaveDC(hdc);
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ok(ret == 2, "ret = %d\n", ret);
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ret = RestoreDC(hdc, -4);
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ok(!ret, "ret = %d\n", ret);
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ret = RestoreDC(hdc, 3);
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ok(!ret, "ret = %d\n", ret);
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/* Under win98 the following two succeed and both clear the save stack
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ret = RestoreDC(hdc, -3);
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ok(!ret, "ret = %d\n", ret);
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ret = RestoreDC(hdc, 0);
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ok(!ret, "ret = %d\n", ret);
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*/
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ret = RestoreDC(hdc, 1);
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ok(ret, "ret = %d\n", ret);
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DeleteDC(hdc);
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}
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static void test_GdiConvertToDevmodeW(void)
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{
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DEVMODEW * (WINAPI *pGdiConvertToDevmodeW)(const DEVMODEA *);
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DEVMODEA dmA;
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DEVMODEW *dmW;
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BOOL ret;
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pGdiConvertToDevmodeW = (void *)GetProcAddress(GetModuleHandleA("gdi32.dll"), "GdiConvertToDevmodeW");
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if (!pGdiConvertToDevmodeW)
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{
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win_skip("GdiConvertToDevmodeW is not available on this platform\n");
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return;
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}
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ret = EnumDisplaySettingsA(NULL, ENUM_CURRENT_SETTINGS, &dmA);
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ok(ret, "EnumDisplaySettingsExA error %u\n", GetLastError());
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ok(dmA.dmSize >= FIELD_OFFSET(DEVMODEA, dmICMMethod), "dmSize is too small: %04x\n", dmA.dmSize);
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ok(dmA.dmSize <= sizeof(DEVMODEA), "dmSize is too large: %04x\n", dmA.dmSize);
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dmW = pGdiConvertToDevmodeW(&dmA);
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ok(dmW->dmSize >= FIELD_OFFSET(DEVMODEW, dmICMMethod), "dmSize is too small: %04x\n", dmW->dmSize);
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ok(dmW->dmSize <= sizeof(DEVMODEW), "dmSize is too large: %04x\n", dmW->dmSize);
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HeapFree(GetProcessHeap(), 0, dmW);
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dmA.dmSize = FIELD_OFFSET(DEVMODEA, dmFields) + sizeof(dmA.dmFields);
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dmW = pGdiConvertToDevmodeW(&dmA);
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ok(dmW->dmSize == FIELD_OFFSET(DEVMODEW, dmFields) + sizeof(dmW->dmFields),
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"wrong size %u\n", dmW->dmSize);
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HeapFree(GetProcessHeap(), 0, dmW);
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dmA.dmICMMethod = DMICMMETHOD_NONE;
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dmA.dmSize = FIELD_OFFSET(DEVMODEA, dmICMMethod) + sizeof(dmA.dmICMMethod);
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dmW = pGdiConvertToDevmodeW(&dmA);
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ok(dmW->dmSize == FIELD_OFFSET(DEVMODEW, dmICMMethod) + sizeof(dmW->dmICMMethod),
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"wrong size %u\n", dmW->dmSize);
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ok(dmW->dmICMMethod == DMICMMETHOD_NONE,
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"expected DMICMMETHOD_NONE, got %u\n", dmW->dmICMMethod);
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HeapFree(GetProcessHeap(), 0, dmW);
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dmA.dmSize = 1024;
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dmW = pGdiConvertToDevmodeW(&dmA);
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ok(dmW->dmSize == FIELD_OFFSET(DEVMODEW, dmPanningHeight) + sizeof(dmW->dmPanningHeight),
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"wrong size %u\n", dmW->dmSize);
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HeapFree(GetProcessHeap(), 0, dmW);
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SetLastError(0xdeadbeef);
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dmA.dmSize = 0;
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dmW = pGdiConvertToDevmodeW(&dmA);
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ok(!dmW, "GdiConvertToDevmodeW should fail\n");
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ok(GetLastError() == 0xdeadbeef, "expected 0xdeadbeef, got %u\n", GetLastError());
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/* this is the minimal dmSize that XP accepts */
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dmA.dmSize = FIELD_OFFSET(DEVMODEA, dmFields);
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dmW = pGdiConvertToDevmodeW(&dmA);
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ok(dmW->dmSize == FIELD_OFFSET(DEVMODEW, dmFields),
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"expected %04x, got %04x\n", FIELD_OFFSET(DEVMODEW, dmFields), dmW->dmSize);
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HeapFree(GetProcessHeap(), 0, dmW);
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}
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static void test_CreateCompatibleDC(void)
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{
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BOOL bRet;
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HDC hDC;
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HDC hNewDC;
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/* Create a DC compatible with the screen */
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hDC = CreateCompatibleDC(NULL);
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ok(hDC != NULL, "CreateCompatibleDC returned %p\n", hDC);
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/* Delete this DC, this should succeed */
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bRet = DeleteDC(hDC);
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ok(bRet == TRUE, "DeleteDC returned %u\n", bRet);
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/* Try to create a DC compatible to the deleted DC. This has to fail */
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hNewDC = CreateCompatibleDC(hDC);
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ok(hNewDC == NULL, "CreateCompatibleDC returned %p\n", hNewDC);
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}
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static void test_DC_bitmap(void)
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{
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HDC hdc, hdcmem;
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DWORD bits[64];
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HBITMAP hbmp, oldhbmp;
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COLORREF col;
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int i, bitspixel;
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/* fill bitmap data with b&w pattern */
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for( i = 0; i < 64; i++) bits[i] = i & 1 ? 0 : 0xffffff;
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hdc = GetDC(0);
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ok( hdc != NULL, "CreateDC rets %p\n", hdc);
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bitspixel = GetDeviceCaps( hdc, BITSPIXEL);
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/* create a memory dc */
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hdcmem = CreateCompatibleDC( hdc);
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ok( hdcmem != NULL, "CreateCompatibleDC rets %p\n", hdcmem);
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/* tests */
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/* test monochrome bitmap: should always work */
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hbmp = CreateBitmap(32, 32, 1, 1, bits);
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ok( hbmp != NULL, "CreateBitmap returns %p\n", hbmp);
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oldhbmp = SelectObject( hdcmem, hbmp);
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ok( oldhbmp != NULL, "SelectObject returned NULL\n" ); /* a memdc always has a bitmap selected */
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col = GetPixel( hdcmem, 0, 0);
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ok( col == 0xffffff, "GetPixel returned %08x, expected 00ffffff\n", col);
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col = GetPixel( hdcmem, 1, 1);
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ok( col == 0x000000, "GetPixel returned %08x, expected 00000000\n", col);
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col = GetPixel( hdcmem, 100, 1);
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ok( col == CLR_INVALID, "GetPixel returned %08x, expected ffffffff\n", col);
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SelectObject( hdcmem, oldhbmp);
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DeleteObject( hbmp);
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/* test with 2 bits color depth, not likely to succeed */
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hbmp = CreateBitmap(16, 16, 1, 2, bits);
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ok( hbmp != NULL, "CreateBitmap returns %p\n", hbmp);
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oldhbmp = SelectObject( hdcmem, hbmp);
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if( bitspixel != 2)
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ok( !oldhbmp, "SelectObject of a bitmap with 2 bits/pixel should return NULL\n");
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if( oldhbmp) SelectObject( hdcmem, oldhbmp);
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DeleteObject( hbmp);
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/* test with 16 bits color depth, might succeed */
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hbmp = CreateBitmap(6, 6, 1, 16, bits);
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ok( hbmp != NULL, "CreateBitmap returns %p\n", hbmp);
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oldhbmp = SelectObject( hdcmem, hbmp);
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if( bitspixel == 16) {
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ok( oldhbmp != NULL, "SelectObject returned NULL\n" );
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col = GetPixel( hdcmem, 0, 0);
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ok( col == 0xffffff,
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"GetPixel of a bitmap with 16 bits/pixel returned %08x, expected 00ffffff\n", col);
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col = GetPixel( hdcmem, 1, 1);
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ok( col == 0x000000,
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"GetPixel of a bitmap with 16 bits/pixel returned returned %08x, expected 00000000\n", col);
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}
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if( oldhbmp) SelectObject( hdcmem, oldhbmp);
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DeleteObject( hbmp);
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/* test with 32 bits color depth, probably succeed */
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hbmp = CreateBitmap(4, 4, 1, 32, bits);
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ok( hbmp != NULL, "CreateBitmap returns %p\n", hbmp);
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oldhbmp = SelectObject( hdcmem, hbmp);
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if( bitspixel == 32) {
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ok( oldhbmp != NULL, "SelectObject returned NULL\n" );
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col = GetPixel( hdcmem, 0, 0);
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ok( col == 0xffffff,
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"GetPixel of a bitmap with 32 bits/pixel returned %08x, expected 00ffffff\n", col);
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col = GetPixel( hdcmem, 1, 1);
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ok( col == 0x000000,
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"GetPixel of a bitmap with 32 bits/pixel returned returned %08x, expected 00000000\n", col);
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}
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if( oldhbmp) SelectObject( hdcmem, oldhbmp);
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DeleteObject( hbmp);
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ReleaseDC( 0, hdc );
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}
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START_TEST(dc)
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{
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test_savedc();
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test_savedc_2();
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test_GdiConvertToDevmodeW();
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test_CreateCompatibleDC();
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test_DC_bitmap();
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}
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