163 lines
5.9 KiB
C
163 lines
5.9 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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*
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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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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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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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#define rough_match(got, expected) ((got >= expected - 2) && (got <= expected + 2))
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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_isotropic_mapping();
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}
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