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 },
__anon6c41bec80102() 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 }},
__anon6c41bec80202() 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, SkPathDirection::kCW, 10.0,
89 10.0);
90 outPath->arcTo(10.0, 10.0, 0.0, SkPath::kLarge_ArcSize, SkPathDirection::kCW, 20.0,
91 20.0);
92 }},
93
94 // Check box VectorDrawable path data
95 {// Path
96 "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 "
97 "0.0,0.5522847498 -0.4477152502,1.0 -1.0,1.0 l 0.0,0.0 c -0.5522847498,0.0 "
98 "-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 "
99 "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 "
100 "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 "
101 "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 "
102 "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",
103 {
104 {'M', 'l', 'c', 'l', 'c', 'l', 'c', 'l', 'c', 'Z', 'M',
105 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'Z'},
106 {2, 2, 6, 2, 6, 2, 6, 2, 6, 0, 2, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0},
107 {0.0, -1.0, 0.0, 0.0, 0.5522848, 0.0, 1.0,
108 0.44771525, 1.0, 1.0, 0.0, 0.0, 0.0, 0.5522848,
109 -0.44771525, 1.0, -1.0, 1.0, 0.0, 0.0, -0.5522848,
110 0.0, -1.0, -0.44771525, -1.0, -1.0, 0.0, 0.0,
111 0.0, -0.5522848, 0.44771525, -1.0, 1.0, -1.0, 7.0,
112 -9.0, 0.0, 0.0, -14.0, 0.0, -14.0, 0.0,
113 -1.1044922, 0.0, -2.0, 0.8955078, -2.0, 2.0, 0.0,
114 0.0, 0.0, 14.0, 0.0, 14.0, 0.0, 1.1044922,
115 0.8955078, 2.0, 2.0, 2.0, 0.0, 0.0, 14.0,
116 0.0, 14.0, 0.0, 1.1044922, 0.0, 2.0, -0.8955078,
117 2.0, -2.0, 0.0, 0.0, 0.0, -14.0, 0.0,
118 -14.0, 0.0, -1.1044922, -0.8955078, -2.0, -2.0, -2.0,
119 0.0, 0.0, 0.0, 0.0, 0.0, 0.0},
120 },
__anon6c41bec80302() 121 [](SkPath* outPath) {
122 outPath->moveTo(0.0, -1.0);
123 outPath->rLineTo(0.0, 0.0);
124 outPath->rCubicTo(0.5522848, 0.0, 1.0, 0.44771525, 1.0, 1.0);
125 outPath->rLineTo(0.0, 0.0);
126 outPath->rCubicTo(0.0, 0.5522848, -0.44771525, 1.0, -1.0, 1.0);
127 outPath->rLineTo(0.0, 0.0);
128 outPath->rCubicTo(-0.5522848, 0.0, -1.0, -0.44771525, -1.0, -1.0);
129 outPath->rLineTo(0.0, 0.0);
130 outPath->rCubicTo(0.0, -0.5522848, 0.44771525, -1.0, 1.0, -1.0);
131 outPath->close();
132 outPath->moveTo(0.0, -1.0);
133 outPath->moveTo(7.0, -9.0);
134 outPath->rCubicTo(0.0, 0.0, -14.0, 0.0, -14.0, 0.0);
135 outPath->rCubicTo(-1.1044922, 0.0, -2.0, 0.8955078, -2.0, 2.0);
136 outPath->rCubicTo(0.0, 0.0, 0.0, 14.0, 0.0, 14.0);
137 outPath->rCubicTo(0.0, 1.1044922, 0.8955078, 2.0, 2.0, 2.0);
138 outPath->rCubicTo(0.0, 0.0, 14.0, 0.0, 14.0, 0.0);
139 outPath->rCubicTo(1.1044922, 0.0, 2.0, -0.8955078, 2.0, -2.0);
140 outPath->rCubicTo(0.0, 0.0, 0.0, -14.0, 0.0, -14.0);
141 outPath->rCubicTo(0.0, -1.1044922, -0.8955078, -2.0, -2.0, -2.0);
142 outPath->rCubicTo(0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
143 outPath->close();
144 outPath->moveTo(7.0, -9.0);
145 }},
146
147 // pie1 in progress bar
148 {"M300,70 a230,230 0 1,0 1,0 z",
149 {
150 {
151 'M', 'a', 'z',
152 },
153 {
154 2, 7, 0,
155 },
156 {
157 300.0, 70.0, 230.0, 230.0, 0.0, 1.0, 0.0, 1.0, 0.0,
158 },
159 },
__anon6c41bec80402() 160 [](SkPath* outPath) {
161 outPath->moveTo(300.0, 70.0);
162 outPath->arcTo(230.0, 230.0, 0.0, SkPath::kLarge_ArcSize, SkPathDirection::kCCW,
163 301.0, 70.0);
164 outPath->close();
165 outPath->moveTo(300.0, 70.0);
166 }},
167
168 // Random long data
169 {// Path
170 "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 "
171 "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 "
172 "-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 "
173 "-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",
174 {
175 // Verbs
176 {'M', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'C', 'z'},
177 // Verb sizes
178 {2, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0},
179 // Points
180 {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,
181 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,
182 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,
183 -1, -0.2, -1.2, -1.7, -2.6, -3, -4.3, -4, -3.7, -2, -8.3, -2, -12, 0,
184 -1.7, 0.9, -3.2, 2.3, -4.3, 4, 5.7, 13.1, 5.5, 13.2, 5.3, 13.2},
185 },
__anon6c41bec80502() 186 [](SkPath* outPath) {
187 outPath->moveTo(5.3, 13.2);
188 outPath->rCubicTo(-0.1, 0.0, -0.3, 0.0, -0.4, -0.1);
189 outPath->rCubicTo(-0.3, -0.2, -0.4, -0.7, -0.2, -1.0);
190 outPath->rCubicTo(1.3, -1.9, 2.9, -3.4, 4.9, -4.5);
191 outPath->rCubicTo(4.1, -2.2, 9.3, -2.2, 13.4, 0.0);
192 outPath->rCubicTo(1.9, 1.1, 3.6, 2.5, 4.9, 4.4);
193 outPath->rCubicTo(0.2, 0.3, 0.1, 0.8, -0.2, 1.0);
194 outPath->rCubicTo(-0.3, 0.2, -0.8, 0.1, -1.0, -0.2);
195 outPath->rCubicTo(-1.2, -1.7, -2.6, -3.0, -4.3, -4.0);
196 outPath->rCubicTo(-3.7, -2.0, -8.3, -2.0, -12.0, 0.0);
197 outPath->rCubicTo(-1.7, 0.9, -3.2, 2.3, -4.3, 4.0);
198 outPath->cubicTo(5.7, 13.1, 5.5, 13.2, 5.3, 13.2);
199 outPath->close();
200 outPath->moveTo(5.3, 13.2);
201 }},
202
203 // Extreme case with numbers and decimal points crunched together
204 {// Path
205 "l0.0.0.5.0.0.5-0.5.0.0-.5z",
206 {
207 // Verbs
208 {'l', 'z'},
209 // Verb sizes
210 {10, 0},
211 // Points
212 {0, 0, 0.5, 0, 0, 0.5, -0.5, 0, 0, -0.5},
213 },
__anon6c41bec80602() 214 [](SkPath* outPath) {
215 outPath->rLineTo(0.0, 0.0);
216 outPath->rLineTo(0.5, 0.0);
217 outPath->rLineTo(0.0, 0.5);
218 outPath->rLineTo(-0.5, 0.0);
219 outPath->rLineTo(0.0, -0.5);
220 outPath->close();
221 outPath->moveTo(0.0, 0.0);
222 }},
223
224 // Empty test data
225 {"",
226 {
227 // Verbs
228 {},
229 {},
230 {},
231 },
__anon6c41bec80702() 232 [](SkPath* outPath) {}}
233
234 };
235
236 struct StringPath {
237 const char* stringPath;
238 bool isValid;
239 };
240
241 const StringPath sStringPaths[] = {
242 {"3e...3", false}, // Not starting with a verb and ill-formatted float
243 {"L.M.F.A.O", false}, // No floats following verbs
244 {"m 1 1", true}, // Valid path data
245 {"\n \t z", true}, // Valid path data with leading spaces
246 {"1-2e34567", false}, // Not starting with a verb and ill-formatted float
247 {"f 4 5", false}, // Invalid verb
248 {"\r ", false}, // Empty string
249 {"L1,0 L1,1 L0,1 z M1000", false} // Not enough floats following verb M.
250 };
251
hasSameVerbs(const PathData & from,const PathData & to)252 static bool hasSameVerbs(const PathData& from, const PathData& to) {
253 return from.verbs == to.verbs && from.verbSizes == to.verbSizes;
254 }
255
TEST(PathParser,parseStringForData)256 TEST(PathParser, parseStringForData) {
257 for (const TestData& testData : sTestDataSet) {
258 PathParser::ParseResult result;
259 // Test generated path data against the given data.
260 PathData pathData;
261 size_t length = strlen(testData.pathString);
262 PathParser::getPathDataFromAsciiString(&pathData, &result, testData.pathString, length);
263 EXPECT_EQ(testData.pathData, pathData);
264 }
265
266 for (StringPath stringPath : sStringPaths) {
267 PathParser::ParseResult result;
268 PathData pathData;
269 SkPath skPath;
270 PathParser::getPathDataFromAsciiString(&pathData, &result, stringPath.stringPath,
271 strlen(stringPath.stringPath));
272 EXPECT_EQ(stringPath.isValid, !result.failureOccurred);
273 }
274 }
275
TEST(VectorDrawableUtils,createSkPathFromPathData)276 TEST(VectorDrawableUtils, createSkPathFromPathData) {
277 for (const TestData& testData : sTestDataSet) {
278 SkPath expectedPath;
279 testData.skPathLamda(&expectedPath);
280 SkPath actualPath;
281 VectorDrawableUtils::verbsToPath(&actualPath, testData.pathData);
282 EXPECT_EQ(expectedPath, actualPath);
283 }
284 }
285
TEST(PathParser,parseAsciiStringForSkPath)286 TEST(PathParser, parseAsciiStringForSkPath) {
287 for (const TestData& testData : sTestDataSet) {
288 PathParser::ParseResult result;
289 size_t length = strlen(testData.pathString);
290 // Check the return value as well as the SkPath generated.
291 SkPath actualPath;
292 PathParser::parseAsciiStringForSkPath(&actualPath, &result, testData.pathString, length);
293 bool hasValidData = !result.failureOccurred;
294 EXPECT_EQ(hasValidData, testData.pathData.verbs.size() > 0);
295 SkPath expectedPath;
296 testData.skPathLamda(&expectedPath);
297 EXPECT_EQ(expectedPath, actualPath);
298 }
299
300 for (StringPath stringPath : sStringPaths) {
301 PathParser::ParseResult result;
302 SkPath skPath;
303 PathParser::parseAsciiStringForSkPath(&skPath, &result, stringPath.stringPath,
304 strlen(stringPath.stringPath));
305 EXPECT_EQ(stringPath.isValid, !result.failureOccurred);
306 }
307 }
308
TEST(VectorDrawableUtils,morphPathData)309 TEST(VectorDrawableUtils, morphPathData) {
310 for (const TestData& fromData : sTestDataSet) {
311 for (const TestData& toData : sTestDataSet) {
312 bool canMorph = VectorDrawableUtils::canMorph(fromData.pathData, toData.pathData);
313 if (fromData.pathData == toData.pathData) {
314 EXPECT_TRUE(canMorph);
315 } else {
316 bool expectedToMorph = hasSameVerbs(fromData.pathData, toData.pathData);
317 EXPECT_EQ(expectedToMorph, canMorph);
318 }
319 }
320 }
321 }
322
TEST(VectorDrawableUtils,interpolatePathData)323 TEST(VectorDrawableUtils, interpolatePathData) {
324 // Interpolate path data with itself and every other path data
325 for (const TestData& fromData : sTestDataSet) {
326 for (const TestData& toData : sTestDataSet) {
327 PathData outData;
328 bool success = VectorDrawableUtils::interpolatePathData(&outData, fromData.pathData,
329 toData.pathData, 0.5);
330 bool expectedToMorph = hasSameVerbs(fromData.pathData, toData.pathData);
331 EXPECT_EQ(expectedToMorph, success);
332 }
333 }
334
335 float fractions[] = {0, 0.00001, 0.28, 0.5, 0.7777, 0.9999999, 1};
336 // Now try to interpolate with a slightly modified version of self and expect success
337 for (const TestData& fromData : sTestDataSet) {
338 PathData toPathData = fromData.pathData;
339 for (size_t i = 0; i < toPathData.points.size(); i++) {
340 toPathData.points[i]++;
341 }
342 const PathData& fromPathData = fromData.pathData;
343 PathData outData;
344 // Interpolate the two path data with different fractions
345 for (float fraction : fractions) {
346 bool success = VectorDrawableUtils::interpolatePathData(&outData, fromPathData,
347 toPathData, fraction);
348 EXPECT_TRUE(success);
349 for (size_t i = 0; i < outData.points.size(); i++) {
350 float expectedResult =
351 fromPathData.points[i] * (1.0 - fraction) + toPathData.points[i] * fraction;
352 EXPECT_TRUE(MathUtils::areEqual(expectedResult, outData.points[i]));
353 }
354 }
355 }
356 }
357
TEST(VectorDrawable,groupProperties)358 TEST(VectorDrawable, groupProperties) {
359 // TODO: Also need to test property sync and dirty flag when properties change.
360 VectorDrawable::Group group;
361 VectorDrawable::Group::GroupProperties* properties = group.mutateProperties();
362 // Test default values, change values through setters and verify the change through getters.
363 EXPECT_EQ(0.0f, properties->getTranslateX());
364 properties->setTranslateX(1.0f);
365 EXPECT_EQ(1.0f, properties->getTranslateX());
366
367 EXPECT_EQ(0.0f, properties->getTranslateY());
368 properties->setTranslateY(1.0f);
369 EXPECT_EQ(1.0f, properties->getTranslateY());
370
371 EXPECT_EQ(0.0f, properties->getRotation());
372 properties->setRotation(1.0f);
373 EXPECT_EQ(1.0f, properties->getRotation());
374
375 EXPECT_EQ(1.0f, properties->getScaleX());
376 properties->setScaleX(0.0f);
377 EXPECT_EQ(0.0f, properties->getScaleX());
378
379 EXPECT_EQ(1.0f, properties->getScaleY());
380 properties->setScaleY(0.0f);
381 EXPECT_EQ(0.0f, properties->getScaleY());
382
383 EXPECT_EQ(0.0f, properties->getPivotX());
384 properties->setPivotX(1.0f);
385 EXPECT_EQ(1.0f, properties->getPivotX());
386
387 EXPECT_EQ(0.0f, properties->getPivotY());
388 properties->setPivotY(1.0f);
389 EXPECT_EQ(1.0f, properties->getPivotY());
390 }
391
TEST(VectorDrawable,drawPathWithoutIncrementingShaderRefCount)392 TEST(VectorDrawable, drawPathWithoutIncrementingShaderRefCount) {
393 VectorDrawable::FullPath path("m1 1", 4);
394 SkBitmap bitmap;
395 bitmap.allocN32Pixels(5, 5, false);
396 SkCanvas canvas(bitmap);
397
398 sk_sp<SkShader> shader = SkShaders::Color(SK_ColorBLACK);
399 // Initial ref count is 1
400 EXPECT_TRUE(shader->unique());
401
402 // Setting the fill gradient increments the ref count of the shader by 1
403 path.mutateStagingProperties()->setFillGradient(shader.get());
404 EXPECT_FALSE(shader->unique());
405 path.draw(&canvas, true);
406 // Resetting the fill gradient decrements the ref count of the shader by 1
407 path.mutateStagingProperties()->setFillGradient(nullptr);
408
409 EXPECT_TRUE(shader->unique());
410 }
411
412 } // namespace uirenderer
413 } // namespace android
414