351 lines
12 KiB
C
351 lines
12 KiB
C
/*
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* Unit tests for mapping functions
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*
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* Copyright (c) 2005 Huw Davies
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* Copyright (c) 2008 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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#include <assert.h>
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#include <stdio.h>
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#include <math.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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#define rough_match(got, expected) (abs((got) - (expected)) <= 5)
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#define expect_LPtoDP(_hdc, _x, _y) \
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{ \
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POINT _pt = { 1000, 1000 }; \
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LPtoDP(_hdc, &_pt, 1); \
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ok(rough_match(_pt.x, _x), "expected x %d, got %d\n", (_x), _pt.x); \
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ok(rough_match(_pt.y, _y), "expected y %d, got %d\n", (_y), _pt.y); \
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}
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#define expect_world_trasform(_hdc, _em11, _em22) \
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{ \
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BOOL _ret; \
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XFORM _xform; \
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SetLastError(0xdeadbeef); \
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_ret = GetWorldTransform(_hdc, &_xform); \
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if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) \
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{ \
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ok(_ret, "GetWorldTransform error %u\n", GetLastError()); \
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ok(_xform.eM11 == (_em11), "expected %f, got %f\n", (_em11), _xform.eM11); \
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ok(_xform.eM12 == 0.0, "expected 0.0, got %f\n", _xform.eM12); \
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ok(_xform.eM21 == 0.0, "expected 0.0, got %f\n", _xform.eM21); \
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ok(_xform.eM22 == (_em22), "expected %f, got %f\n", (_em22), _xform.eM22); \
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ok(_xform.eDx == 0.0, "expected 0.0, got %f\n", _xform.eDx); \
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ok(_xform.eDy == 0.0, "expected 0.0, got %f\n", _xform.eDy); \
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} \
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}
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#define expect_dc_ext(_func, _hdc, _cx, _cy) \
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{ \
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BOOL _ret; \
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SIZE _size; \
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SetLastError(0xdeadbeef); \
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_ret = _func(_hdc, &_size); \
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ok(_ret, #_func " error %u\n", GetLastError()); \
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ok(_size.cx == (_cx), "expected cx %d, got %d\n", (_cx), _size.cx); \
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ok(_size.cy == (_cy), "expected cy %d, got %d\n", (_cy), _size.cy); \
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}
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#define expect_viewport_ext(_hdc, _cx, _cy) expect_dc_ext(GetViewportExtEx, _hdc, _cx, _cy)
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#define expect_window_ext(_hdc, _cx, _cy) expect_dc_ext(GetWindowExtEx, _hdc, _cx, _cy)
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static void test_world_transform(void)
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{
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BOOL is_win9x;
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HDC hdc;
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INT ret, size_cx, size_cy, res_x, res_y, dpi_x, dpi_y;
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XFORM xform;
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SIZE size;
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SetLastError(0xdeadbeef);
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GetWorldTransform(0, NULL);
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is_win9x = GetLastError() == ERROR_CALL_NOT_IMPLEMENTED;
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hdc = CreateCompatibleDC(0);
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xform.eM11 = 1.0f;
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xform.eM12 = 0.0f;
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xform.eM21 = 0.0f;
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xform.eM22 = 1.0f;
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xform.eDx = 0.0f;
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xform.eDy = 0.0f;
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ret = SetWorldTransform(hdc, &xform);
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ok(!ret, "SetWorldTransform should fail in GM_COMPATIBLE mode\n");
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size_cx = GetDeviceCaps(hdc, HORZSIZE);
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size_cy = GetDeviceCaps(hdc, VERTSIZE);
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res_x = GetDeviceCaps(hdc, HORZRES);
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res_y = GetDeviceCaps(hdc, VERTRES);
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dpi_x = GetDeviceCaps(hdc, LOGPIXELSX);
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dpi_y = GetDeviceCaps(hdc, LOGPIXELSY);
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trace("dc size %d x %d, resolution %d x %d dpi %d x %d\n",
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size_cx, size_cy, res_x, res_y, dpi_x, dpi_y );
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expect_viewport_ext(hdc, 1, 1);
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expect_window_ext(hdc, 1, 1);
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expect_world_trasform(hdc, 1.0, 1.0);
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expect_LPtoDP(hdc, 1000, 1000);
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SetLastError(0xdeadbeef);
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ret = SetMapMode(hdc, MM_LOMETRIC);
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ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
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if (is_win9x)
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{
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expect_viewport_ext(hdc, dpi_x, dpi_y);
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expect_window_ext(hdc, 254, -254);
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}
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else
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{
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expect_viewport_ext(hdc, res_x, -res_y);
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ok( GetWindowExtEx( hdc, &size ), "GetWindowExtEx failed\n" );
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ok( size.cx == size_cx * 10 ||
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size.cx == MulDiv( res_x, 254, dpi_x ), /* Vista uses a more precise method */
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"expected cx %d or %d, got %d\n", size_cx * 10, MulDiv( res_x, 254, dpi_x ), size.cx );
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ok( size.cy == size_cy * 10 ||
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size.cy == MulDiv( res_y, 254, dpi_y ), /* Vista uses a more precise method */
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"expected cy %d or %d, got %d\n", size_cy * 10, MulDiv( res_y, 254, dpi_y ), size.cy );
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}
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expect_world_trasform(hdc, 1.0, 1.0);
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expect_LPtoDP(hdc, MulDiv(1000 / 10, res_x, size_cx), -MulDiv(1000 / 10, res_y, size_cy));
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SetLastError(0xdeadbeef);
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ret = SetMapMode(hdc, MM_TEXT);
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ok(ret == MM_LOMETRIC, "expected MM_LOMETRIC, got %d\n", ret);
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expect_viewport_ext(hdc, 1, 1);
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expect_window_ext(hdc, 1, 1);
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expect_world_trasform(hdc, 1.0, 1.0);
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expect_LPtoDP(hdc, 1000, 1000);
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ret = SetGraphicsMode(hdc, GM_ADVANCED);
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if (!ret)
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{
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DeleteDC(hdc);
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skip("GM_ADVANCED is not supported on this platform\n");
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return;
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}
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expect_viewport_ext(hdc, 1, 1);
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expect_window_ext(hdc, 1, 1);
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expect_world_trasform(hdc, 1.0, 1.0);
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expect_LPtoDP(hdc, 1000, 1000);
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/* The transform must conform to (eM11 * eM22 != eM12 * eM21) requirement */
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xform.eM11 = 1.0f;
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xform.eM12 = 2.0f;
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xform.eM21 = 1.0f;
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xform.eM22 = 2.0f;
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xform.eDx = 0.0f;
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xform.eDy = 0.0f;
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ret = SetWorldTransform(hdc, &xform);
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ok(!ret ||
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broken(ret), /* NT4 */
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"SetWorldTransform should fail with an invalid xform\n");
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xform.eM11 = 20.0f;
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xform.eM12 = 0.0f;
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xform.eM21 = 0.0f;
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xform.eM22 = 20.0f;
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xform.eDx = 0.0f;
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xform.eDy = 0.0f;
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SetLastError(0xdeadbeef);
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ret = SetWorldTransform(hdc, &xform);
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ok(ret, "SetWorldTransform error %u\n", GetLastError());
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expect_viewport_ext(hdc, 1, 1);
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expect_window_ext(hdc, 1, 1);
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expect_world_trasform(hdc, 20.0, 20.0);
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expect_LPtoDP(hdc, 20000, 20000);
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SetLastError(0xdeadbeef);
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ret = SetMapMode(hdc, MM_LOMETRIC);
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ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
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expect_viewport_ext(hdc, res_x, -res_y);
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ok( GetWindowExtEx( hdc, &size ), "GetWindowExtEx failed\n" );
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ok( size.cx == size_cx * 10 ||
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size.cx == MulDiv( res_x, 254, dpi_x ), /* Vista uses a more precise method */
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"expected cx %d or %d, got %d\n", size_cx * 10, MulDiv( res_x, 254, dpi_x ), size.cx );
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ok( size.cy == size_cy * 10 ||
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size.cy == MulDiv( res_y, 254, dpi_y ), /* Vista uses a more precise method */
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"expected cy %d or %d, got %d\n", size_cy * 10, MulDiv( res_y, 254, dpi_y ), size.cy );
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expect_world_trasform(hdc, 20.0, 20.0);
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expect_LPtoDP(hdc, MulDiv(20000, res_x, size.cx), -MulDiv(20000, res_y, size.cy));
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SetLastError(0xdeadbeef);
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ret = SetMapMode(hdc, MM_TEXT);
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ok(ret == MM_LOMETRIC, "expected MM_LOMETRIC, got %d\n", ret);
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expect_viewport_ext(hdc, 1, 1);
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expect_window_ext(hdc, 1, 1);
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expect_world_trasform(hdc, 20.0, 20.0);
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expect_LPtoDP(hdc, 20000, 20000);
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ret = SetGraphicsMode(hdc, GM_COMPATIBLE);
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ok(ret, "SetGraphicsMode(GM_COMPATIBLE) should not fail if DC has't an identity transform\n");
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ret = GetGraphicsMode(hdc);
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ok(ret == GM_COMPATIBLE, "expected GM_COMPATIBLE, got %d\n", ret);
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expect_viewport_ext(hdc, 1, 1);
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expect_window_ext(hdc, 1, 1);
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expect_world_trasform(hdc, 20.0, 20.0);
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expect_LPtoDP(hdc, 20000, 20000);
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DeleteDC(hdc);
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}
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static void test_modify_world_transform(void)
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{
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HDC hdc = GetDC(0);
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int ret;
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ret = SetGraphicsMode(hdc, GM_ADVANCED);
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if(!ret) /* running in win9x so quit */
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{
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ReleaseDC(0, hdc);
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skip("GM_ADVANCED is not supported on this platform\n");
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return;
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}
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ret = ModifyWorldTransform(hdc, NULL, MWT_IDENTITY);
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ok(ret, "ret = %d\n", ret);
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ret = ModifyWorldTransform(hdc, NULL, MWT_LEFTMULTIPLY);
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ok(!ret, "ret = %d\n", ret);
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ret = ModifyWorldTransform(hdc, NULL, MWT_RIGHTMULTIPLY);
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ok(!ret, "ret = %d\n", ret);
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ReleaseDC(0, hdc);
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}
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static void test_SetWindowExt(HDC hdc, LONG cx, LONG cy, LONG expected_vp_cx, LONG expected_vp_cy)
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{
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SIZE windowExt, viewportExt;
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POINT windowOrg, windowOrgAfter, viewportOrg, viewportOrgAfter;
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GetWindowOrgEx(hdc, &windowOrg);
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GetViewportOrgEx(hdc, &viewportOrg);
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SetWindowExtEx(hdc, cx, cy, NULL);
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GetWindowExtEx(hdc, &windowExt);
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ok(windowExt.cx == cx && windowExt.cy == cy,
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"Window extension: Expected %dx%d, got %dx%d\n",
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cx, cy, windowExt.cx, windowExt.cy);
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GetViewportExtEx(hdc, &viewportExt);
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ok(rough_match(viewportExt.cx, expected_vp_cx) && rough_match(viewportExt.cy, expected_vp_cy),
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"Viewport extents have not been properly adjusted: Expected %dx%d, got %dx%d\n",
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expected_vp_cx, expected_vp_cy, viewportExt.cx, viewportExt.cy);
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GetWindowOrgEx(hdc, &windowOrgAfter);
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ok(windowOrg.x == windowOrgAfter.x && windowOrg.y == windowOrgAfter.y,
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"Window origin changed from (%d,%d) to (%d,%d)\n",
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windowOrg.x, windowOrg.y, windowOrgAfter.x, windowOrgAfter.y);
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GetViewportOrgEx(hdc, &viewportOrgAfter);
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ok(viewportOrg.x == viewportOrgAfter.x && viewportOrg.y == viewportOrgAfter.y,
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"Viewport origin changed from (%d,%d) to (%d,%d)\n",
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viewportOrg.x, viewportOrg.y, viewportOrgAfter.x, viewportOrgAfter.y);
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}
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static void test_SetViewportExt(HDC hdc, LONG cx, LONG cy, LONG expected_vp_cx, LONG expected_vp_cy)
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{
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SIZE windowExt, windowExtAfter, viewportExt;
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POINT windowOrg, windowOrgAfter, viewportOrg, viewportOrgAfter;
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GetWindowOrgEx(hdc, &windowOrg);
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GetViewportOrgEx(hdc, &viewportOrg);
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GetWindowExtEx(hdc, &windowExt);
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SetViewportExtEx(hdc, cx, cy, NULL);
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GetViewportExtEx(hdc, &viewportExt);
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ok(rough_match(viewportExt.cx, expected_vp_cx) && rough_match(viewportExt.cy, expected_vp_cy),
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"Viewport extents have not been properly adjusted: Expected %dx%d, got %dx%d\n",
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expected_vp_cx, expected_vp_cy, viewportExt.cx, viewportExt.cy);
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GetWindowExtEx(hdc, &windowExtAfter);
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ok(windowExt.cx == windowExtAfter.cx && windowExt.cy == windowExtAfter.cy,
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"Window extension changed from %dx%d to %dx%d\n",
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windowExt.cx, windowExt.cy, windowExtAfter.cx, windowExtAfter.cy);
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GetWindowOrgEx(hdc, &windowOrgAfter);
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ok(windowOrg.x == windowOrgAfter.x && windowOrg.y == windowOrgAfter.y,
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"Window origin changed from (%d,%d) to (%d,%d)\n",
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windowOrg.x, windowOrg.y, windowOrgAfter.x, windowOrgAfter.y);
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GetViewportOrgEx(hdc, &viewportOrgAfter);
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ok(viewportOrg.x == viewportOrgAfter.x && viewportOrg.y == viewportOrgAfter.y,
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"Viewport origin changed from (%d,%d) to (%d,%d)\n",
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viewportOrg.x, viewportOrg.y, viewportOrgAfter.x, viewportOrgAfter.y);
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}
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static void test_isotropic_mapping(void)
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{
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SIZE win, vp;
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HDC hdc = GetDC(0);
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SetMapMode(hdc, MM_ISOTROPIC);
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/* MM_ISOTROPIC is set up like MM_LOMETRIC.
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Initial values after SetMapMode():
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(1 inch = 25.4 mm)
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Windows 9x: Windows NT:
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Window Ext: 254 x -254 HORZSIZE*10 x VERTSIZE*10
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Viewport Ext: LOGPIXELSX x LOGPIXELSY HORZRES x -VERTRES
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To test without rounding errors, we have to use multiples of
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these values!
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*/
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GetWindowExtEx(hdc, &win);
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GetViewportExtEx(hdc, &vp);
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test_SetViewportExt(hdc, 10 * vp.cx, 10 * vp.cy, 10 * vp.cx, 10 * vp.cy);
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test_SetWindowExt(hdc, win.cx, win.cy, 10 * vp.cx, 10 * vp.cy);
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test_SetWindowExt(hdc, 2 * win.cx, win.cy, 10 * vp.cx, 5 * vp.cy);
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test_SetWindowExt(hdc, win.cx, win.cy, 5 * vp.cx, 5 * vp.cy);
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test_SetViewportExt(hdc, 4 * vp.cx, 2 * vp.cy, 2 * vp.cx, 2 * vp.cy);
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test_SetViewportExt(hdc, vp.cx, 2 * vp.cy, vp.cx, vp.cy);
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test_SetViewportExt(hdc, 2 * vp.cx, 2 * vp.cy, 2 * vp.cx, 2 * vp.cy);
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test_SetViewportExt(hdc, 4 * vp.cx, 2 * vp.cy, 2 * vp.cx, 2 * vp.cy);
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test_SetWindowExt(hdc, 4 * win.cx, 2 * win.cy, 2 * vp.cx, vp.cy);
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test_SetViewportExt(hdc, -2 * vp.cx, -4 * vp.cy, -2 * vp.cx, -vp.cy);
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test_SetViewportExt(hdc, -2 * vp.cx, -1 * vp.cy, -2 * vp.cx, -vp.cy);
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test_SetWindowExt(hdc, -4 * win.cx, -2 * win.cy, -2 * vp.cx, -vp.cy);
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test_SetWindowExt(hdc, 4 * win.cx, -4 * win.cy, -vp.cx, -vp.cy);
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ReleaseDC(0, hdc);
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}
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START_TEST(mapping)
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{
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test_modify_world_transform();
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test_world_transform();
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test_isotropic_mapping();
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}
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