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

328 lines
9.2 KiB
C
Raw Normal View History

2007-07-12 03:07:56 +02:00
/*
* 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>
2007-07-12 03:07:56 +02:00
#include "objbase.h"
2007-07-12 03:07:56 +02:00
#include "gdiplus.h"
#include "wine/test.h"
#define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got)
#define expectf(expected, got) ok(fabs(expected - got) < 0.0001, "Expected %.2f, got %.2f\n", expected, got)
2007-07-12 03:07:56 +02:00
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, 0);
expect(InvalidParameter, status);
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);
}
static void test_isinvertible(void)
{
GpStatus status;
GpMatrix *matrix = NULL;
BOOL result;
/* NULL arguments */
status = GdipIsMatrixInvertible(NULL, &result);
expect(InvalidParameter, status);
status = GdipIsMatrixInvertible((GpMatrix*)0xdeadbeef, NULL);
expect(InvalidParameter, status);
status = GdipIsMatrixInvertible(NULL, NULL);
expect(InvalidParameter, status);
/* invertible */
GdipCreateMatrix2(1.0, 1.2, 2.3, -1.0, 2.0, 3.0, &matrix);
status = GdipIsMatrixInvertible(matrix, &result);
expect(Ok, status);
expect(TRUE, result);
GdipDeleteMatrix(matrix);
/* noninvertible */
GdipCreateMatrix2(2.0, -1.0, 6.0, -3.0, 2.2, 3.0, &matrix);
status = GdipIsMatrixInvertible(matrix, &result);
expect(Ok, status);
expect(FALSE, result);
GdipDeleteMatrix(matrix);
}
static void test_invert(void)
{
GpStatus status;
GpMatrix *matrix = NULL;
GpMatrix *inverted = NULL;
BOOL equal = FALSE;
/* NULL */
status = GdipInvertMatrix(NULL);
expect(InvalidParameter, status);
/* noninvertible */
GdipCreateMatrix2(2.0, -1.0, 6.0, -3.0, 2.2, 3.0, &matrix);
status = GdipInvertMatrix(matrix);
expect(InvalidParameter, status);
GdipDeleteMatrix(matrix);
/* invertible */
GdipCreateMatrix2(3.0, -2.0, 5.0, 2.0, 6.0, 3.0, &matrix);
status = GdipInvertMatrix(matrix);
expect(Ok, status);
GdipCreateMatrix2(2.0/16.0, 2.0/16.0, -5.0/16.0, 3.0/16.0, 3.0/16.0, -21.0/16.0, &inverted);
GdipIsMatrixEqual(matrix, inverted, &equal);
expect(TRUE, equal);
GdipDeleteMatrix(inverted);
GdipDeleteMatrix(matrix);
}
static void test_shear(void)
{
GpStatus status;
GpMatrix *matrix = NULL;
GpMatrix *sheared = NULL;
BOOL equal;
/* NULL */
status = GdipShearMatrix(NULL, 0.0, 0.0, MatrixOrderPrepend);
expect(InvalidParameter, status);
/* X only shearing, MatrixOrderPrepend */
GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
status = GdipShearMatrix(matrix, 1.5, 0.0, MatrixOrderPrepend);
expect(Ok, status);
GdipCreateMatrix2(1.0, 2.0, 5.5, 2.0, 6.0, 3.0, &sheared);
GdipIsMatrixEqual(matrix, sheared, &equal);
expect(TRUE, equal);
GdipDeleteMatrix(sheared);
GdipDeleteMatrix(matrix);
/* X only shearing, MatrixOrderAppend */
GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
status = GdipShearMatrix(matrix, 1.5, 0.0, MatrixOrderAppend);
expect(Ok, status);
GdipCreateMatrix2(4.0, 2.0, 2.5, -1.0, 10.5, 3.0, &sheared);
GdipIsMatrixEqual(matrix, sheared, &equal);
expect(TRUE, equal);
GdipDeleteMatrix(sheared);
GdipDeleteMatrix(matrix);
/* Y only shearing, MatrixOrderPrepend */
GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
status = GdipShearMatrix(matrix, 0.0, 1.5, MatrixOrderPrepend);
expect(Ok, status);
GdipCreateMatrix2(7.0, 0.5, 4.0, -1.0, 6.0, 3.0, &sheared);
GdipIsMatrixEqual(matrix, sheared, &equal);
expect(TRUE, equal);
GdipDeleteMatrix(sheared);
GdipDeleteMatrix(matrix);
/* Y only shearing, MatrixOrderAppend */
GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
status = GdipShearMatrix(matrix, 0.0, 1.5, MatrixOrderAppend);
expect(Ok, status);
GdipCreateMatrix2(1.0, 3.5, 4.0, 5.0, 6.0, 12.0, &sheared);
GdipIsMatrixEqual(matrix, sheared, &equal);
expect(TRUE, equal);
GdipDeleteMatrix(sheared);
GdipDeleteMatrix(matrix);
/* X,Y shearing, MatrixOrderPrepend */
GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
status = GdipShearMatrix(matrix, 4.0, 1.5, MatrixOrderPrepend);
expect(Ok, status);
GdipCreateMatrix2(7.0, 0.5, 8.0, 7.0, 6.0, 3.0, &sheared);
GdipIsMatrixEqual(matrix, sheared, &equal);
expect(TRUE, equal);
GdipDeleteMatrix(sheared);
GdipDeleteMatrix(matrix);
/* X,Y shearing, MatrixOrderAppend */
GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
status = GdipShearMatrix(matrix, 4.0, 1.5, MatrixOrderAppend);
expect(Ok, status);
GdipCreateMatrix2(9.0, 3.5, 0.0, 5.0, 18.0, 12.0, &sheared);
GdipIsMatrixEqual(matrix, sheared, &equal);
expect(TRUE, equal);
GdipDeleteMatrix(sheared);
GdipDeleteMatrix(matrix);
}
static void test_constructor3(void)
{
/* MSDN is on crack. GdipCreateMatrix3 makes a matrix that transforms the
* corners of the given rectangle to the three points given. */
GpMatrix *matrix;
REAL values[6];
GpRectF rc;
GpPointF pt[3];
GpStatus stat;
rc.X = 10;
rc.Y = 10;
rc.Width = 10;
rc.Height = 10;
pt[0].X = 10;
pt[0].Y = 10;
pt[1].X = 20;
pt[1].Y = 10;
pt[2].X = 10;
pt[2].Y = 20;
stat = GdipCreateMatrix3(&rc, pt, &matrix);
expect(Ok, stat);
stat = GdipGetMatrixElements(matrix, values);
expect(Ok, stat);
2011-01-16 17:59:50 +01:00
expectf(1.0, values[0]);
expectf(0.0, values[1]);
expectf(0.0, values[2]);
expectf(1.0, values[3]);
expectf(0.0, values[4]);
expectf(0.0, values[5]);
GdipDeleteMatrix(matrix);
pt[0].X = 20;
pt[0].Y = 10;
pt[1].X = 40;
pt[1].Y = 10;
pt[2].X = 20;
pt[2].Y = 20;
stat = GdipCreateMatrix3(&rc, pt, &matrix);
expect(Ok, stat);
stat = GdipGetMatrixElements(matrix, values);
expect(Ok, stat);
2011-01-16 17:59:50 +01:00
expectf(2.0, values[0]);
expectf(0.0, values[1]);
expectf(0.0, values[2]);
expectf(1.0, values[3]);
expectf(0.0, values[4]);
expectf(0.0, values[5]);
GdipDeleteMatrix(matrix);
pt[0].X = 10;
pt[0].Y = 20;
pt[1].X = 20;
pt[1].Y = 30;
pt[2].X = 10;
pt[2].Y = 30;
stat = GdipCreateMatrix3(&rc, pt, &matrix);
expect(Ok, stat);
stat = GdipGetMatrixElements(matrix, values);
expect(Ok, stat);
2011-01-16 17:59:50 +01:00
expectf(1.0, values[0]);
expectf(1.0, values[1]);
expectf(0.0, values[2]);
expectf(1.0, values[3]);
expectf(0.0, values[4]);
expectf(0.0, values[5]);
GdipDeleteMatrix(matrix);}
2007-07-12 03:07:56 +02:00
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();
test_isinvertible();
test_invert();
test_shear();
test_constructor3();
2007-07-12 03:07:56 +02:00
GdiplusShutdown(gdiplusToken);
}