1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include "PathParser.h"
20 #include "VectorDrawable.h"
21 #include "utils/MathUtils.h"
22 #include "utils/VectorDrawableUtils.h"
23
24 #include <functional>
25
26 namespace android {
27 namespace uirenderer {
28
29 struct TestData {
30 const char* pathString;
31 const PathData pathData;
32 const std::function<void(SkPath*)> skPathLamda;
33 };
34
35 const static TestData sTestDataSet[] = {
36 // TestData with scientific notation -2e3 etc.
37 {// Path
38 "M2.000000,22.000000l20.000000,0.000000 1e0-2e3z",
39 {
40 // Verbs
41 {'M', 'l', 'z'},
42 // Verb sizes
43 {2, 4, 0},
44 // Points
45 {2, 22, 20, 0, 1, -2000},
46 },
__anonefa534050102() 47 [](SkPath* outPath) {
48 outPath->moveTo(2, 22);
49 outPath->rLineTo(20, 0);
50 outPath->rLineTo(1, -2000);
51 outPath->close();
52 outPath->moveTo(2, 22);
53 }},
54
55 // Comprehensive data, containing all the verbs possible.
56 {// Path
57 "M 1 1 m 2 2, l 3 3 L 3 3 H 4 h4 V5 v5, Q6 6 6 6 q 6 6 6 6t 7 7 T 7 7 C 8 8 8 8 8 8 c 8 8 "
58 "8 8 8 8 S 9 9 9 9 s 9 9 9 9 A 10 10 0 1 1 10 10 a 10 10 0 1 1 10 10",
59 {// Verbs
60 {'M', 'm', 'l', 'L', 'H', 'h', 'V', 'v', 'Q', 'q', 't', 'T', 'C', 'c', 'S', 's', 'A',
61 'a'},
62 // VerbSizes
63 {2, 2, 2, 2, 1, 1, 1, 1, 4, 4, 2, 2, 6, 6, 4, 4, 7, 7},
64 // Points
65 {
66 1.0, 1.0, 2.0, 2.0, 3.0, 3.0, 3.0, 3.0, 4.0, 4.0, 5.0, 5.0, 6.0, 6.0, 6.0,
67 6.0, 6.0, 6.0, 6.0, 6.0, 7.0, 7.0, 7.0, 7.0, 8.0, 8.0, 8.0, 8.0, 8.0, 8.0,
68 8.0, 8.0, 8.0, 8.0, 8.0, 8.0, 9.0, 9.0, 9.0, 9.0, 9.0, 9.0, 9.0, 9.0, 10.0,
69 10.0, 0.0, 1.0, 1.0, 10.0, 10.0, 10.0, 10.0, 0.0, 1.0, 1.0, 10.0, 10.0,
70 }},
__anonefa534050202() 71 [](SkPath* outPath) {
72 outPath->moveTo(1.0, 1.0);
73 outPath->rMoveTo(2.0, 2.0);
74 outPath->rLineTo(3.0, 3.0);
75 outPath->lineTo(3.0, 3.0);
76 outPath->lineTo(4.0, 3.0);
77 outPath->rLineTo(4.0, 0);
78 outPath->lineTo(8.0, 5.0);
79 outPath->rLineTo(0, 5.0);
80 outPath->quadTo(6.0, 6.0, 6.0, 6.0);
81 outPath->rQuadTo(6.0, 6.0, 6.0, 6.0);
82 outPath->rQuadTo(0.0, 0.0, 7.0, 7.0);
83 outPath->quadTo(26.0, 26.0, 7.0, 7.0);
84 outPath->cubicTo(8.0, 8.0, 8.0, 8.0, 8.0, 8.0);
85 outPath->rCubicTo(8.0, 8.0, 8.0, 8.0, 8.0, 8.0);
86 outPath->cubicTo(16.0, 16.0, 9.0, 9.0, 9.0, 9.0);
87 outPath->rCubicTo(0.0, 0.0, 9.0, 9.0, 9.0, 9.0);
88 outPath->arcTo(10.0, 10.0, 0.0, SkPath::kLarge_ArcSize, SkPath::kCW_Direction, 10.0, 10.0);
89 outPath->arcTo(10.0, 10.0, 0.0, SkPath::kLarge_ArcSize, SkPath::kCW_Direction, 20.0, 20.0);
90 }},
91
92 // Check box VectorDrawable path data
93 {// Path
94 "M 0.0,-1.0 l 0.0,0.0 c 0.5522847498,0.0 1.0,0.4477152502 1.0,1.0 l 0.0,0.0 c "
95 "0.0,0.5522847498 -0.4477152502,1.0 -1.0,1.0 l 0.0,0.0 c -0.5522847498,0.0 "
96 "-1.0,-0.4477152502 -1.0,-1.0 l 0.0,0.0 c 0.0,-0.5522847498 0.4477152502,-1.0 1.0,-1.0 Z "
97 "M 7.0,-9.0 c 0.0,0.0 -14.0,0.0 -14.0,0.0 c -1.1044921875,0.0 -2.0,0.8955078125 -2.0,2.0 "
98 "c 0.0,0.0 0.0,14.0 0.0,14.0 c 0.0,1.1044921875 0.8955078125,2.0 2.0,2.0 c 0.0,0.0 "
99 "14.0,0.0 14.0,0.0 c 1.1044921875,0.0 2.0,-0.8955078125 2.0,-2.0 c 0.0,0.0 0.0,-14.0 "
100 "0.0,-14.0 c 0.0,-1.1044921875 -0.8955078125,-2.0 -2.0,-2.0 c 0.0,0.0 0.0,0.0 0.0,0.0 Z",
101 {
102 {'M', 'l', 'c', 'l', 'c', 'l', 'c', 'l', 'c', 'Z', 'M',
103 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'Z'},
104 {2, 2, 6, 2, 6, 2, 6, 2, 6, 0, 2, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0},
105 {0.0, -1.0, 0.0, 0.0, 0.5522848, 0.0, 1.0,
106 0.44771525, 1.0, 1.0, 0.0, 0.0, 0.0, 0.5522848,
107 -0.44771525, 1.0, -1.0, 1.0, 0.0, 0.0, -0.5522848,
108 0.0, -1.0, -0.44771525, -1.0, -1.0, 0.0, 0.0,
109 0.0, -0.5522848, 0.44771525, -1.0, 1.0, -1.0, 7.0,
110 -9.0, 0.0, 0.0, -14.0, 0.0, -14.0, 0.0,
111 -1.1044922, 0.0, -2.0, 0.8955078, -2.0, 2.0, 0.0,
112 0.0, 0.0, 14.0, 0.0, 14.0, 0.0, 1.1044922,
113 0.8955078, 2.0, 2.0, 2.0, 0.0, 0.0, 14.0,
114 0.0, 14.0, 0.0, 1.1044922, 0.0, 2.0, -0.8955078,
115 2.0, -2.0, 0.0, 0.0, 0.0, -14.0, 0.0,
116 -14.0, 0.0, -1.1044922, -0.8955078, -2.0, -2.0, -2.0,
117 0.0, 0.0, 0.0, 0.0, 0.0, 0.0},
118 },
__anonefa534050302() 119 [](SkPath* outPath) {
120 outPath->moveTo(0.0, -1.0);
121 outPath->rLineTo(0.0, 0.0);
122 outPath->rCubicTo(0.5522848, 0.0, 1.0, 0.44771525, 1.0, 1.0);
123 outPath->rLineTo(0.0, 0.0);
124 outPath->rCubicTo(0.0, 0.5522848, -0.44771525, 1.0, -1.0, 1.0);
125 outPath->rLineTo(0.0, 0.0);
126 outPath->rCubicTo(-0.5522848, 0.0, -1.0, -0.44771525, -1.0, -1.0);
127 outPath->rLineTo(0.0, 0.0);
128 outPath->rCubicTo(0.0, -0.5522848, 0.44771525, -1.0, 1.0, -1.0);
129 outPath->close();
130 outPath->moveTo(0.0, -1.0);
131 outPath->moveTo(7.0, -9.0);
132 outPath->rCubicTo(0.0, 0.0, -14.0, 0.0, -14.0, 0.0);
133 outPath->rCubicTo(-1.1044922, 0.0, -2.0, 0.8955078, -2.0, 2.0);
134 outPath->rCubicTo(0.0, 0.0, 0.0, 14.0, 0.0, 14.0);
135 outPath->rCubicTo(0.0, 1.1044922, 0.8955078, 2.0, 2.0, 2.0);
136 outPath->rCubicTo(0.0, 0.0, 14.0, 0.0, 14.0, 0.0);
137 outPath->rCubicTo(1.1044922, 0.0, 2.0, -0.8955078, 2.0, -2.0);
138 outPath->rCubicTo(0.0, 0.0, 0.0, -14.0, 0.0, -14.0);
139 outPath->rCubicTo(0.0, -1.1044922, -0.8955078, -2.0, -2.0, -2.0);
140 outPath->rCubicTo(0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
141 outPath->close();
142 outPath->moveTo(7.0, -9.0);
143 }},
144
145 // pie1 in progress bar
146 {"M300,70 a230,230 0 1,0 1,0 z",
147 {
148 {
149 'M', 'a', 'z',
150 },
151 {
152 2, 7, 0,
153 },
154 {
155 300.0, 70.0, 230.0, 230.0, 0.0, 1.0, 0.0, 1.0, 0.0,
156 },
157 },
__anonefa534050402() 158 [](SkPath* outPath) {
159 outPath->moveTo(300.0, 70.0);
160 outPath->arcTo(230.0, 230.0, 0.0, SkPath::kLarge_ArcSize, SkPath::kCCW_Direction, 301.0, 70.0);
161 outPath->close();
162 outPath->moveTo(300.0, 70.0);
163 }},
164
165 // Random long data
166 {// Path
167 "M5.3,13.2c-0.1,0.0 -0.3,0.0 -0.4,-0.1c-0.3,-0.2 -0.4,-0.7 -0.2,-1.0c1.3,-1.9 2.9,-3.4 "
168 "4.9,-4.5c4.1,-2.2 9.3,-2.2 13.4,0.0c1.9,1.1 3.6,2.5 4.9,4.4c0.2,0.3 0.1,0.8 "
169 "-0.2,1.0c-0.3,0.2 -0.8,0.1 -1.0,-0.2c-1.2,-1.7 -2.6,-3.0 -4.3,-4.0c-3.7,-2.0 -8.3,-2.0 "
170 "-12.0,0.0c-1.7,0.9 -3.2,2.3 -4.3,4.0C5.7,13.1 5.5,13.2 5.3,13.2z",
171 {
172 // Verbs
173 {'M', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'C', 'z'},
174 // Verb sizes
175 {2, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0},
176 // Points
177 {5.3, 13.2, -0.1, 0, -0.3, 0, -0.4, -0.1, -0.3, -0.2, -0.4, -0.7, -0.2, -1,
178 1.3, -1.9, 2.9, -3.4, 4.9, -4.5, 4.1, -2.2, 9.3, -2.2, 13.4, 0, 1.9, 1.1,
179 3.6, 2.5, 4.9, 4.4, 0.2, 0.3, 0.1, 0.8, -0.2, 1, -0.3, 0.2, -0.8, 0.1,
180 -1, -0.2, -1.2, -1.7, -2.6, -3, -4.3, -4, -3.7, -2, -8.3, -2, -12, 0,
181 -1.7, 0.9, -3.2, 2.3, -4.3, 4, 5.7, 13.1, 5.5, 13.2, 5.3, 13.2},
182 },
__anonefa534050502() 183 [](SkPath* outPath) {
184 outPath->moveTo(5.3, 13.2);
185 outPath->rCubicTo(-0.1, 0.0, -0.3, 0.0, -0.4, -0.1);
186 outPath->rCubicTo(-0.3, -0.2, -0.4, -0.7, -0.2, -1.0);
187 outPath->rCubicTo(1.3, -1.9, 2.9, -3.4, 4.9, -4.5);
188 outPath->rCubicTo(4.1, -2.2, 9.3, -2.2, 13.4, 0.0);
189 outPath->rCubicTo(1.9, 1.1, 3.6, 2.5, 4.9, 4.4);
190 outPath->rCubicTo(0.2, 0.3, 0.1, 0.8, -0.2, 1.0);
191 outPath->rCubicTo(-0.3, 0.2, -0.8, 0.1, -1.0, -0.2);
192 outPath->rCubicTo(-1.2, -1.7, -2.6, -3.0, -4.3, -4.0);
193 outPath->rCubicTo(-3.7, -2.0, -8.3, -2.0, -12.0, 0.0);
194 outPath->rCubicTo(-1.7, 0.9, -3.2, 2.3, -4.3, 4.0);
195 outPath->cubicTo(5.7, 13.1, 5.5, 13.2, 5.3, 13.2);
196 outPath->close();
197 outPath->moveTo(5.3, 13.2);
198 }},
199
200 // Extreme case with numbers and decimal points crunched together
201 {// Path
202 "l0.0.0.5.0.0.5-0.5.0.0-.5z",
203 {
204 // Verbs
205 {'l', 'z'},
206 // Verb sizes
207 {10, 0},
208 // Points
209 {0, 0, 0.5, 0, 0, 0.5, -0.5, 0, 0, -0.5},
210 },
__anonefa534050602() 211 [](SkPath* outPath) {
212 outPath->rLineTo(0.0, 0.0);
213 outPath->rLineTo(0.5, 0.0);
214 outPath->rLineTo(0.0, 0.5);
215 outPath->rLineTo(-0.5, 0.0);
216 outPath->rLineTo(0.0, -0.5);
217 outPath->close();
218 outPath->moveTo(0.0, 0.0);
219 }},
220
221 // Empty test data
222 {"",
223 {
224 // Verbs
225 {},
226 {},
227 {},
228 },
__anonefa534050702() 229 [](SkPath* outPath) {}}
230
231 };
232
233 struct StringPath {
234 const char* stringPath;
235 bool isValid;
236 };
237
238 const StringPath sStringPaths[] = {
239 {"3e...3", false}, // Not starting with a verb and ill-formatted float
240 {"L.M.F.A.O", false}, // No floats following verbs
241 {"m 1 1", true}, // Valid path data
242 {"\n \t z", true}, // Valid path data with leading spaces
243 {"1-2e34567", false}, // Not starting with a verb and ill-formatted float
244 {"f 4 5", false}, // Invalid verb
245 {"\r ", false}, // Empty string
246 {"L1,0 L1,1 L0,1 z M1000", false} // Not enough floats following verb M.
247 };
248
hasSameVerbs(const PathData & from,const PathData & to)249 static bool hasSameVerbs(const PathData& from, const PathData& to) {
250 return from.verbs == to.verbs && from.verbSizes == to.verbSizes;
251 }
252
TEST(PathParser,parseStringForData)253 TEST(PathParser, parseStringForData) {
254 for (TestData testData : sTestDataSet) {
255 PathParser::ParseResult result;
256 // Test generated path data against the given data.
257 PathData pathData;
258 size_t length = strlen(testData.pathString);
259 PathParser::getPathDataFromAsciiString(&pathData, &result, testData.pathString, length);
260 EXPECT_EQ(testData.pathData, pathData);
261 }
262
263 for (StringPath stringPath : sStringPaths) {
264 PathParser::ParseResult result;
265 PathData pathData;
266 SkPath skPath;
267 PathParser::getPathDataFromAsciiString(&pathData, &result, stringPath.stringPath,
268 strlen(stringPath.stringPath));
269 EXPECT_EQ(stringPath.isValid, !result.failureOccurred);
270 }
271 }
272
TEST(VectorDrawableUtils,createSkPathFromPathData)273 TEST(VectorDrawableUtils, createSkPathFromPathData) {
274 for (TestData testData : sTestDataSet) {
275 SkPath expectedPath;
276 testData.skPathLamda(&expectedPath);
277 SkPath actualPath;
278 VectorDrawableUtils::verbsToPath(&actualPath, testData.pathData);
279 EXPECT_EQ(expectedPath, actualPath);
280 }
281 }
282
TEST(PathParser,parseAsciiStringForSkPath)283 TEST(PathParser, parseAsciiStringForSkPath) {
284 for (TestData testData : sTestDataSet) {
285 PathParser::ParseResult result;
286 size_t length = strlen(testData.pathString);
287 // Check the return value as well as the SkPath generated.
288 SkPath actualPath;
289 PathParser::parseAsciiStringForSkPath(&actualPath, &result, testData.pathString, length);
290 bool hasValidData = !result.failureOccurred;
291 EXPECT_EQ(hasValidData, testData.pathData.verbs.size() > 0);
292 SkPath expectedPath;
293 testData.skPathLamda(&expectedPath);
294 EXPECT_EQ(expectedPath, actualPath);
295 }
296
297 for (StringPath stringPath : sStringPaths) {
298 PathParser::ParseResult result;
299 SkPath skPath;
300 PathParser::parseAsciiStringForSkPath(&skPath, &result, stringPath.stringPath,
301 strlen(stringPath.stringPath));
302 EXPECT_EQ(stringPath.isValid, !result.failureOccurred);
303 }
304 }
305
TEST(VectorDrawableUtils,morphPathData)306 TEST(VectorDrawableUtils, morphPathData) {
307 for (TestData fromData : sTestDataSet) {
308 for (TestData toData : sTestDataSet) {
309 bool canMorph = VectorDrawableUtils::canMorph(fromData.pathData, toData.pathData);
310 if (fromData.pathData == toData.pathData) {
311 EXPECT_TRUE(canMorph);
312 } else {
313 bool expectedToMorph = hasSameVerbs(fromData.pathData, toData.pathData);
314 EXPECT_EQ(expectedToMorph, canMorph);
315 }
316 }
317 }
318 }
319
TEST(VectorDrawableUtils,interpolatePathData)320 TEST(VectorDrawableUtils, interpolatePathData) {
321 // Interpolate path data with itself and every other path data
322 for (TestData fromData : sTestDataSet) {
323 for (TestData toData : sTestDataSet) {
324 PathData outData;
325 bool success = VectorDrawableUtils::interpolatePathData(&outData, fromData.pathData,
326 toData.pathData, 0.5);
327 bool expectedToMorph = hasSameVerbs(fromData.pathData, toData.pathData);
328 EXPECT_EQ(expectedToMorph, success);
329 }
330 }
331
332 float fractions[] = {0, 0.00001, 0.28, 0.5, 0.7777, 0.9999999, 1};
333 // Now try to interpolate with a slightly modified version of self and expect success
334 for (TestData fromData : sTestDataSet) {
335 PathData toPathData = fromData.pathData;
336 for (size_t i = 0; i < toPathData.points.size(); i++) {
337 toPathData.points[i]++;
338 }
339 const PathData& fromPathData = fromData.pathData;
340 PathData outData;
341 // Interpolate the two path data with different fractions
342 for (float fraction : fractions) {
343 bool success = VectorDrawableUtils::interpolatePathData(&outData, fromPathData,
344 toPathData, fraction);
345 EXPECT_TRUE(success);
346 for (size_t i = 0; i < outData.points.size(); i++) {
347 float expectedResult =
348 fromPathData.points[i] * (1.0 - fraction) + toPathData.points[i] * fraction;
349 EXPECT_TRUE(MathUtils::areEqual(expectedResult, outData.points[i]));
350 }
351 }
352 }
353 }
354
TEST(VectorDrawable,groupProperties)355 TEST(VectorDrawable, groupProperties) {
356 // TODO: Also need to test property sync and dirty flag when properties change.
357 VectorDrawable::Group group;
358 VectorDrawable::Group::GroupProperties* properties = group.mutateProperties();
359 // Test default values, change values through setters and verify the change through getters.
360 EXPECT_EQ(0.0f, properties->getTranslateX());
361 properties->setTranslateX(1.0f);
362 EXPECT_EQ(1.0f, properties->getTranslateX());
363
364 EXPECT_EQ(0.0f, properties->getTranslateY());
365 properties->setTranslateY(1.0f);
366 EXPECT_EQ(1.0f, properties->getTranslateY());
367
368 EXPECT_EQ(0.0f, properties->getRotation());
369 properties->setRotation(1.0f);
370 EXPECT_EQ(1.0f, properties->getRotation());
371
372 EXPECT_EQ(1.0f, properties->getScaleX());
373 properties->setScaleX(0.0f);
374 EXPECT_EQ(0.0f, properties->getScaleX());
375
376 EXPECT_EQ(1.0f, properties->getScaleY());
377 properties->setScaleY(0.0f);
378 EXPECT_EQ(0.0f, properties->getScaleY());
379
380 EXPECT_EQ(0.0f, properties->getPivotX());
381 properties->setPivotX(1.0f);
382 EXPECT_EQ(1.0f, properties->getPivotX());
383
384 EXPECT_EQ(0.0f, properties->getPivotY());
385 properties->setPivotY(1.0f);
386 EXPECT_EQ(1.0f, properties->getPivotY());
387 }
388
TEST(VectorDrawable,drawPathWithoutIncrementingShaderRefCount)389 TEST(VectorDrawable, drawPathWithoutIncrementingShaderRefCount) {
390 VectorDrawable::FullPath path("m1 1", 4);
391 SkBitmap bitmap;
392 bitmap.allocN32Pixels(5, 5, false);
393 SkCanvas canvas(bitmap);
394
395 sk_sp<SkShader> shader = SkShader::MakeColorShader(SK_ColorBLACK);
396 // Initial ref count is 1
397 EXPECT_TRUE(shader->unique());
398
399 // Setting the fill gradient increments the ref count of the shader by 1
400 path.mutateStagingProperties()->setFillGradient(shader.get());
401 EXPECT_FALSE(shader->unique());
402 path.draw(&canvas, true);
403 // Resetting the fill gradient decrements the ref count of the shader by 1
404 path.mutateStagingProperties()->setFillGradient(nullptr);
405
406 EXPECT_TRUE(shader->unique());
407 }
408
409 }; // namespace uirenderer
410 }; // namespace android
411