2 * Unit test suite for matrices
4 * Copyright (C) 2007 Google (Evan Stade)
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include "wine/test.h"
28 #define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got)
29 #define expectf(expected, got) ok(fabs(expected - got) < 0.0001, "Expected %.2f, got %.2f\n", expected, got)
31 static void test_constructor_destructor(void)
34 GpMatrix *matrix = NULL;
36 status = GdipCreateMatrix2(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, &matrix);
38 ok(matrix != NULL, "Expected matrix to be initialized\n");
40 status = GdipDeleteMatrix(NULL);
41 expect(InvalidParameter, status);
43 status = GdipDeleteMatrix(matrix);
52 static real_point transform_points[] = {
53 {1000.00, 2600.00}, /*0*/
54 {855.00, 2390.00}, /*1*/
55 {700.00, 2200.00}, /*2*/
56 {565.00, 1970.00}, /*3*/
57 {400.00, 1800.00}, /*4*/
58 {275.00, 1550.00}, /*5*/
59 {100.00, 1400.00}, /*6*/
60 {-15.00, 1130.00}, /*7*/
61 {-200.00, 1000.00}, /*8*/
62 {-305.00, 710.00} /*9*/
65 static void test_transform(void)
68 GpMatrix *matrix = NULL;
73 for(i = 0; i < 10; i ++){
74 pts[i].X = i * 5.0 * (REAL)(i % 2);
75 pts[i].Y = 50.0 - i * 5.0;
78 GdipCreateMatrix2(1.0, -2.0, 30.0, 40.0, -500.0, 600.0, &matrix);
80 status = GdipTransformMatrixPoints(matrix, pts, 10);
83 for(i = 0; i < 10; i ++){
84 match = fabs(transform_points[i].X - pts[i].X) < 2.0
85 && fabs(transform_points[i].Y - pts[i].Y) < 2.0;
87 ok(match, "Expected #%d to be (%.2f, %.2f) but got (%.2f, %.2f)\n", i,
88 transform_points[i].X, transform_points[i].Y, pts[i].X, pts[i].Y);
91 GdipDeleteMatrix(matrix);
94 static void test_isinvertible(void)
97 GpMatrix *matrix = NULL;
101 status = GdipIsMatrixInvertible(NULL, &result);
102 expect(InvalidParameter, status);
103 status = GdipIsMatrixInvertible((GpMatrix*)0xdeadbeef, NULL);
104 expect(InvalidParameter, status);
105 status = GdipIsMatrixInvertible(NULL, NULL);
106 expect(InvalidParameter, status);
109 GdipCreateMatrix2(1.0, 1.2, 2.3, -1.0, 2.0, 3.0, &matrix);
110 status = GdipIsMatrixInvertible(matrix, &result);
112 expect(TRUE, result);
113 GdipDeleteMatrix(matrix);
116 GdipCreateMatrix2(2.0, -1.0, 6.0, -3.0, 2.2, 3.0, &matrix);
117 status = GdipIsMatrixInvertible(matrix, &result);
119 expect(FALSE, result);
120 GdipDeleteMatrix(matrix);
123 static void test_invert(void)
126 GpMatrix *matrix = NULL;
127 GpMatrix *inverted = NULL;
131 status = GdipInvertMatrix(NULL);
132 expect(InvalidParameter, status);
135 GdipCreateMatrix2(2.0, -1.0, 6.0, -3.0, 2.2, 3.0, &matrix);
136 status = GdipInvertMatrix(matrix);
137 expect(InvalidParameter, status);
138 GdipDeleteMatrix(matrix);
141 GdipCreateMatrix2(3.0, -2.0, 5.0, 2.0, 6.0, 3.0, &matrix);
142 status = GdipInvertMatrix(matrix);
144 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);
145 GdipIsMatrixEqual(matrix, inverted, &equal);
148 GdipDeleteMatrix(inverted);
149 GdipDeleteMatrix(matrix);
152 static void test_shear(void)
155 GpMatrix *matrix = NULL;
156 GpMatrix *sheared = NULL;
160 status = GdipShearMatrix(NULL, 0.0, 0.0, MatrixOrderPrepend);
161 expect(InvalidParameter, status);
163 /* X only shearing, MatrixOrderPrepend */
164 GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
165 status = GdipShearMatrix(matrix, 1.5, 0.0, MatrixOrderPrepend);
167 GdipCreateMatrix2(1.0, 2.0, 5.5, 2.0, 6.0, 3.0, &sheared);
168 GdipIsMatrixEqual(matrix, sheared, &equal);
170 GdipDeleteMatrix(sheared);
171 GdipDeleteMatrix(matrix);
173 /* X only shearing, MatrixOrderAppend */
174 GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
175 status = GdipShearMatrix(matrix, 1.5, 0.0, MatrixOrderAppend);
177 GdipCreateMatrix2(4.0, 2.0, 2.5, -1.0, 10.5, 3.0, &sheared);
178 GdipIsMatrixEqual(matrix, sheared, &equal);
180 GdipDeleteMatrix(sheared);
181 GdipDeleteMatrix(matrix);
183 /* Y only shearing, MatrixOrderPrepend */
184 GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
185 status = GdipShearMatrix(matrix, 0.0, 1.5, MatrixOrderPrepend);
187 GdipCreateMatrix2(7.0, 0.5, 4.0, -1.0, 6.0, 3.0, &sheared);
188 GdipIsMatrixEqual(matrix, sheared, &equal);
190 GdipDeleteMatrix(sheared);
191 GdipDeleteMatrix(matrix);
193 /* Y only shearing, MatrixOrderAppend */
194 GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
195 status = GdipShearMatrix(matrix, 0.0, 1.5, MatrixOrderAppend);
197 GdipCreateMatrix2(1.0, 3.5, 4.0, 5.0, 6.0, 12.0, &sheared);
198 GdipIsMatrixEqual(matrix, sheared, &equal);
200 GdipDeleteMatrix(sheared);
201 GdipDeleteMatrix(matrix);
203 /* X,Y shearing, MatrixOrderPrepend */
204 GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
205 status = GdipShearMatrix(matrix, 4.0, 1.5, MatrixOrderPrepend);
207 GdipCreateMatrix2(7.0, 0.5, 8.0, 7.0, 6.0, 3.0, &sheared);
208 GdipIsMatrixEqual(matrix, sheared, &equal);
210 GdipDeleteMatrix(sheared);
211 GdipDeleteMatrix(matrix);
213 /* X,Y shearing, MatrixOrderAppend */
214 GdipCreateMatrix2(1.0, 2.0, 4.0, -1.0, 6.0, 3.0, &matrix);
215 status = GdipShearMatrix(matrix, 4.0, 1.5, MatrixOrderAppend);
217 GdipCreateMatrix2(9.0, 3.5, 0.0, 5.0, 18.0, 12.0, &sheared);
218 GdipIsMatrixEqual(matrix, sheared, &equal);
220 GdipDeleteMatrix(sheared);
221 GdipDeleteMatrix(matrix);
224 static void test_constructor3(void)
226 /* MSDN is on crack. GdipCreateMatrix3 makes a matrix that transforms the
227 * corners of the given rectangle to the three points given. */
246 stat = GdipCreateMatrix3(&rc, pt, &matrix);
249 stat = GdipGetMatrixElements(matrix, values);
252 expectf(1.0, values[0]);
253 expectf(0.0, values[1]);
254 expectf(0.0, values[2]);
255 expectf(1.0, values[3]);
256 expectf(0.0, values[4]);
257 expectf(0.0, values[5]);
259 GdipDeleteMatrix(matrix);
268 stat = GdipCreateMatrix3(&rc, pt, &matrix);
271 stat = GdipGetMatrixElements(matrix, values);
274 expectf(2.0, values[0]);
275 expectf(0.0, values[1]);
276 expectf(0.0, values[2]);
277 expectf(1.0, values[3]);
278 expectf(0.0, values[4]);
279 expectf(0.0, values[5]);
281 GdipDeleteMatrix(matrix);
290 stat = GdipCreateMatrix3(&rc, pt, &matrix);
293 stat = GdipGetMatrixElements(matrix, values);
296 expectf(1.0, values[0]);
297 expectf(1.0, values[1]);
298 expectf(0.0, values[2]);
299 expectf(1.0, values[3]);
300 expectf(0.0, values[4]);
301 expectf(0.0, values[5]);
303 GdipDeleteMatrix(matrix);}
307 struct GdiplusStartupInput gdiplusStartupInput;
308 ULONG_PTR gdiplusToken;
310 gdiplusStartupInput.GdiplusVersion = 1;
311 gdiplusStartupInput.DebugEventCallback = NULL;
312 gdiplusStartupInput.SuppressBackgroundThread = 0;
313 gdiplusStartupInput.SuppressExternalCodecs = 0;
315 GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
317 test_constructor_destructor();
324 GdiplusShutdown(gdiplusToken);