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242 lines
7.3 KiB
C
242 lines
7.3 KiB
C
/*
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* Unit test suite for matrices
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*
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* Copyright (C) 2007 Google (Evan Stade)
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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 <math.h>
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#include "windows.h"
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#include <stdio.h>
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#include "gdiplus.h"
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#include "wine/test.h"
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#define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got)
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static void test_constructor_destructor(void)
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{
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GpStatus status;
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GpMatrix *matrix = NULL;
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status = GdipCreateMatrix2(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, &matrix);
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expect(Ok, status);
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ok(matrix != NULL, "Expected matrix to be initialized\n");
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status = GdipDeleteMatrix(NULL);
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expect(InvalidParameter, status);
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status = GdipDeleteMatrix(matrix);
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expect(Ok, status);
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}
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typedef struct{
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REAL X;
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REAL Y;
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} real_point;
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static real_point transform_points[] = {
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{1000.00, 2600.00}, /*0*/
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{855.00, 2390.00}, /*1*/
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{700.00, 2200.00}, /*2*/
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{565.00, 1970.00}, /*3*/
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{400.00, 1800.00}, /*4*/
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{275.00, 1550.00}, /*5*/
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{100.00, 1400.00}, /*6*/
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{-15.00, 1130.00}, /*7*/
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{-200.00, 1000.00}, /*8*/
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{-305.00, 710.00} /*9*/
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};
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static void test_transform(void)
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{
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GpStatus status;
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GpMatrix *matrix = NULL;
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GpPointF pts[10];
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INT i;
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BOOL match;
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for(i = 0; i < 10; i ++){
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pts[i].X = i * 5.0 * (REAL)(i % 2);
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pts[i].Y = 50.0 - i * 5.0;
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}
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GdipCreateMatrix2(1.0, -2.0, 30.0, 40.0, -500.0, 600.0, &matrix);
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status = GdipTransformMatrixPoints(matrix, pts, 10);
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expect(Ok, status);
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for(i = 0; i < 10; i ++){
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match = fabs(transform_points[i].X - pts[i].X) < 2.0
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&& fabs(transform_points[i].Y - pts[i].Y) < 2.0;
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ok(match, "Expected #%d to be (%.2f, %.2f) but got (%.2f, %.2f)\n", i,
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transform_points[i].X, transform_points[i].Y, pts[i].X, pts[i].Y);
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}
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GdipDeleteMatrix(matrix);
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}
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static void test_isinvertible(void)
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{
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GpStatus status;
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GpMatrix *matrix = NULL;
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BOOL result;
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/* NULL arguments */
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status = GdipIsMatrixInvertible(NULL, &result);
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expect(InvalidParameter, status);
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status = GdipIsMatrixInvertible((GpMatrix*)0xdeadbeef, NULL);
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expect(InvalidParameter, status);
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status = GdipIsMatrixInvertible(NULL, NULL);
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expect(InvalidParameter, status);
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/* invertible */
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GdipCreateMatrix2(1.0, 1.2, 2.3, -1.0, 2.0, 3.0, &matrix);
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status = GdipIsMatrixInvertible(matrix, &result);
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expect(Ok, status);
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expect(TRUE, result);
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GdipDeleteMatrix(matrix);
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/* noninvertible */
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GdipCreateMatrix2(2.0, -1.0, 6.0, -3.0, 2.2, 3.0, &matrix);
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status = GdipIsMatrixInvertible(matrix, &result);
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expect(Ok, status);
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expect(FALSE, result);
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GdipDeleteMatrix(matrix);
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}
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static void test_invert(void)
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{
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GpStatus status;
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GpMatrix *matrix = NULL;
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GpMatrix *inverted = NULL;
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BOOL equal = FALSE;
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/* NULL */
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status = GdipInvertMatrix(NULL);
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expect(InvalidParameter, status);
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/* noninvertible */
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GdipCreateMatrix2(2.0, -1.0, 6.0, -3.0, 2.2, 3.0, &matrix);
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status = GdipInvertMatrix(matrix);
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expect(InvalidParameter, status);
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GdipDeleteMatrix(matrix);
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/* invertible */
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GdipCreateMatrix2(3.0, -2.0, 5.0, 2.0, 6.0, 3.0, &matrix);
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status = GdipInvertMatrix(matrix);
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expect(Ok, status);
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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);
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GdipIsMatrixEqual(matrix, inverted, &equal);
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expect(TRUE, equal);
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GdipDeleteMatrix(inverted);
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GdipDeleteMatrix(matrix);
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}
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static void test_shear(void)
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{
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GpStatus status;
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GpMatrix *matrix = NULL;
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GpMatrix *sheared = NULL;
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BOOL equal;
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/* NULL */
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status = GdipShearMatrix(NULL, 0.0, 0.0, MatrixOrderPrepend);
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expect(InvalidParameter, status);
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/* X only shearing, MatrixOrderPrepend */
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GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
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status = GdipShearMatrix(matrix, 1.5, 0.0, MatrixOrderPrepend);
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expect(Ok, status);
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GdipCreateMatrix2(1.0, 2.0, 5.5, 2.0, 6.0, 3.0, &sheared);
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GdipIsMatrixEqual(matrix, sheared, &equal);
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expect(TRUE, equal);
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GdipDeleteMatrix(sheared);
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GdipDeleteMatrix(matrix);
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/* X only shearing, MatrixOrderAppend */
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GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
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status = GdipShearMatrix(matrix, 1.5, 0.0, MatrixOrderAppend);
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expect(Ok, status);
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GdipCreateMatrix2(4.0, 2.0, 2.5, -1.0, 10.5, 3.0, &sheared);
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GdipIsMatrixEqual(matrix, sheared, &equal);
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expect(TRUE, equal);
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GdipDeleteMatrix(sheared);
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GdipDeleteMatrix(matrix);
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/* Y only shearing, MatrixOrderPrepend */
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GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
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status = GdipShearMatrix(matrix, 0.0, 1.5, MatrixOrderPrepend);
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expect(Ok, status);
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GdipCreateMatrix2(7.0, 0.5, 4.0, -1.0, 6.0, 3.0, &sheared);
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GdipIsMatrixEqual(matrix, sheared, &equal);
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expect(TRUE, equal);
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GdipDeleteMatrix(sheared);
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GdipDeleteMatrix(matrix);
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/* Y only shearing, MatrixOrderAppend */
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GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
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status = GdipShearMatrix(matrix, 0.0, 1.5, MatrixOrderAppend);
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expect(Ok, status);
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GdipCreateMatrix2(1.0, 3.5, 4.0, 5.0, 6.0, 12.0, &sheared);
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GdipIsMatrixEqual(matrix, sheared, &equal);
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expect(TRUE, equal);
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GdipDeleteMatrix(sheared);
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GdipDeleteMatrix(matrix);
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/* X,Y shearing, MatrixOrderPrepend */
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GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
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status = GdipShearMatrix(matrix, 4.0, 1.5, MatrixOrderPrepend);
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expect(Ok, status);
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GdipCreateMatrix2(7.0, 0.5, 8.0, 7.0, 6.0, 3.0, &sheared);
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GdipIsMatrixEqual(matrix, sheared, &equal);
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expect(TRUE, equal);
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GdipDeleteMatrix(sheared);
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GdipDeleteMatrix(matrix);
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/* X,Y shearing, MatrixOrderAppend */
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GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
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status = GdipShearMatrix(matrix, 4.0, 1.5, MatrixOrderAppend);
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expect(Ok, status);
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GdipCreateMatrix2(9.0, 3.5, 0.0, 5.0, 18.0, 12.0, &sheared);
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GdipIsMatrixEqual(matrix, sheared, &equal);
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expect(TRUE, equal);
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GdipDeleteMatrix(sheared);
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GdipDeleteMatrix(matrix);
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}
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START_TEST(matrix)
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{
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struct GdiplusStartupInput gdiplusStartupInput;
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ULONG_PTR gdiplusToken;
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gdiplusStartupInput.GdiplusVersion = 1;
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gdiplusStartupInput.DebugEventCallback = NULL;
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gdiplusStartupInput.SuppressBackgroundThread = 0;
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gdiplusStartupInput.SuppressExternalCodecs = 0;
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GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
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test_constructor_destructor();
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test_transform();
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test_isinvertible();
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test_invert();
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test_shear();
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GdiplusShutdown(gdiplusToken);
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}
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