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

100 lines
2.8 KiB
C

/*
* Unit test suite for paths
*
* Copyright 2007 Laurent Vromman
*
* 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
*/
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "wine/test.h"
#include "winuser.h"
#include "winerror.h"
static void test_widenpath(void)
{
HDC hdc = GetDC(0);
HPEN greenPen, narrowPen;
HPEN oldPen;
POINT pnt[6];
INT nSize, ret;
DWORD error;
/* Create a pen to be used in WidenPath */
greenPen = CreatePen(PS_SOLID, 10, RGB(0,0,0));
oldPen = SelectObject(hdc, greenPen);
/* Prepare a path */
pnt[0].x = 100;
pnt[0].y = 0;
pnt[1].x = 200;
pnt[1].y = 0;
pnt[2].x = 300;
pnt[2].y = 100;
pnt[3].x = 300;
pnt[3].y = 200;
pnt[4].x = 200;
pnt[4].y = 300;
pnt[5].x = 100;
pnt[5].y = 300;
/* Set a polyline path */
BeginPath(hdc);
Polyline(hdc, pnt, 6);
EndPath(hdc);
/* Widen the polyline path */
ok(WidenPath(hdc), "WidenPath fails while widening a poyline path.\n");
/* Test if WidenPath seems to have done his job */
nSize = GetPath(hdc, NULL, NULL, 0);
ok(nSize != -1, "GetPath fails after calling WidenPath.\n");
ok(nSize > 6, "Path number of points is to low. Should be more than 6 but is %d\n", nSize);
AbortPath(hdc);
/* Test WidenPath with an open path */
SetLastError(0xdeadbeef);
BeginPath(hdc);
ret = WidenPath(hdc);
error = GetLastError();
ok(ret == FALSE && GetLastError() == ERROR_CAN_NOT_COMPLETE, "WidenPath fails while widening an open path. Return value is %d, should be %d. Error is %08x, should be %08x\n", ret, FALSE, GetLastError(), ERROR_CAN_NOT_COMPLETE);
AbortPath(hdc);
/* Test when the pen width is equal to 1. The path should not change */
narrowPen = CreatePen(PS_SOLID, 1, RGB(0,0,0));
oldPen = SelectObject(hdc, narrowPen);
BeginPath(hdc);
Polyline(hdc, pnt, 6);
EndPath(hdc);
nSize = GetPath(hdc, NULL, NULL, 0);
ok(nSize == 6, "WidenPath fails detecting 1px wide pen. Path length is %d, should be 6\n", nSize);
ReleaseDC(0, hdc);
return;
}
START_TEST(path)
{
test_widenpath();
}