Sweden-Number/dlls/gdiplus/tests/matrix.c

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/*
* Unit test suite for matrices
*
* Copyright (C) 2007 Google (Evan Stade)
*
* 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 <math.h>
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#include "windows.h"
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#include "gdiplus.h"
#include "wine/test.h"
#define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got)
static void test_constructor_destructor(void)
{
GpStatus status;
GpMatrix *matrix = NULL;
status = GdipCreateMatrix2(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, &matrix);
expect(Ok, status);
ok(matrix != NULL, "Expected matrix to be initialized\n");
status = GdipDeleteMatrix(NULL);
expect(InvalidParameter, status);
status = GdipDeleteMatrix(matrix);
expect(Ok, status);
}
typedef struct{
REAL X;
REAL Y;
} real_point;
static real_point transform_points[] = {
{1000.00, 2600.00}, /*0*/
{855.00, 2390.00}, /*1*/
{700.00, 2200.00}, /*2*/
{565.00, 1970.00}, /*3*/
{400.00, 1800.00}, /*4*/
{275.00, 1550.00}, /*5*/
{100.00, 1400.00}, /*6*/
{-15.00, 1130.00}, /*7*/
{-200.00, 1000.00}, /*8*/
{-305.00, 710.00} /*9*/
};
static void test_transform(void)
{
GpStatus status;
GpMatrix *matrix = NULL;
GpPointF pts[10];
INT i;
BOOL match;
for(i = 0; i < 10; i ++){
pts[i].X = i * 5.0 * (REAL)(i % 2);
pts[i].Y = 50.0 - i * 5.0;
}
GdipCreateMatrix2(1.0, -2.0, 30.0, 40.0, -500.0, 600.0, &matrix);
status = GdipTransformMatrixPoints(matrix, pts, 10);
expect(Ok, status);
for(i = 0; i < 10; i ++){
match = fabs(transform_points[i].X - pts[i].X) < 2.0
&& fabs(transform_points[i].Y - pts[i].Y) < 2.0;
ok(match, "Expected #%d to be (%.2f, %.2f) but got (%.2f, %.2f)\n", i,
transform_points[i].X, transform_points[i].Y, pts[i].X, pts[i].Y);
}
GdipDeleteMatrix(matrix);
}
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START_TEST(matrix)
{
struct GdiplusStartupInput gdiplusStartupInput;
ULONG_PTR gdiplusToken;
gdiplusStartupInput.GdiplusVersion = 1;
gdiplusStartupInput.DebugEventCallback = NULL;
gdiplusStartupInput.SuppressBackgroundThread = 0;
gdiplusStartupInput.SuppressExternalCodecs = 0;
GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
test_constructor_destructor();
test_transform();
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GdiplusShutdown(gdiplusToken);
}