1 /*
2 * Copyright (C) 2016 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 "compile/Image.h"
18
19 #include "test/Test.h"
20
21 namespace aapt {
22
23 // Pixels are in RGBA_8888 packing.
24
25 #define RED "\xff\x00\x00\xff"
26 #define BLUE "\x00\x00\xff\xff"
27 #define GREEN "\xff\x00\x00\xff"
28 #define GR_70 "\xff\x00\x00\xb3"
29 #define GR_50 "\xff\x00\x00\x80"
30 #define GR_20 "\xff\x00\x00\x33"
31 #define BLACK "\x00\x00\x00\xff"
32 #define WHITE "\xff\xff\xff\xff"
33 #define TRANS "\x00\x00\x00\x00"
34
35 static uint8_t* k2x2[] = {
36 (uint8_t*)WHITE WHITE, (uint8_t*)WHITE WHITE,
37 };
38
39 static uint8_t* kMixedNeutralColor3x3[] = {
40 (uint8_t*)WHITE BLACK TRANS, (uint8_t*)TRANS RED TRANS,
41 (uint8_t*)WHITE WHITE WHITE,
42 };
43
44 static uint8_t* kTransparentNeutralColor3x3[] = {
45 (uint8_t*)TRANS BLACK TRANS, (uint8_t*)BLACK RED BLACK,
46 (uint8_t*)TRANS BLACK TRANS,
47 };
48
49 static uint8_t* kSingleStretch7x6[] = {
50 (uint8_t*)WHITE WHITE BLACK BLACK BLACK WHITE WHITE,
51 (uint8_t*)WHITE RED RED RED RED RED WHITE,
52 (uint8_t*)BLACK RED RED RED RED RED WHITE,
53 (uint8_t*)BLACK RED RED RED RED RED WHITE,
54 (uint8_t*)WHITE RED RED RED RED RED WHITE,
55 (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
56 };
57
58 static uint8_t* kMultipleStretch10x7[] = {
59 (uint8_t*)WHITE WHITE BLACK WHITE BLACK BLACK WHITE BLACK WHITE WHITE,
60 (uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
61 (uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
62 (uint8_t*)WHITE RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
63 (uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
64 (uint8_t*)BLACK RED BLUE RED BLUE BLUE RED BLUE RED WHITE,
65 (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
66 };
67
68 static uint8_t* kPadding6x5[] = {
69 (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE,
70 (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE,
71 (uint8_t*)WHITE WHITE WHITE WHITE WHITE BLACK,
72 (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE,
73 (uint8_t*)WHITE WHITE BLACK BLACK WHITE WHITE,
74 };
75
76 static uint8_t* kLayoutBoundsWrongEdge3x3[] = {
77 (uint8_t*)WHITE RED WHITE, (uint8_t*)RED WHITE WHITE,
78 (uint8_t*)WHITE WHITE WHITE,
79 };
80
81 static uint8_t* kLayoutBoundsNotEdgeAligned5x5[] = {
82 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
83 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
84 (uint8_t*)WHITE WHITE WHITE WHITE RED,
85 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
86 (uint8_t*)WHITE WHITE RED WHITE WHITE,
87 };
88
89 static uint8_t* kLayoutBounds5x5[] = {
90 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
91 (uint8_t*)WHITE WHITE WHITE WHITE RED,
92 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
93 (uint8_t*)WHITE WHITE WHITE WHITE RED,
94 (uint8_t*)WHITE RED WHITE RED WHITE,
95 };
96
97 static uint8_t* kAsymmetricLayoutBounds5x5[] = {
98 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
99 (uint8_t*)WHITE WHITE WHITE WHITE RED,
100 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
101 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
102 (uint8_t*)WHITE RED WHITE WHITE WHITE,
103 };
104
105 static uint8_t* kPaddingAndLayoutBounds5x5[] = {
106 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
107 (uint8_t*)WHITE WHITE WHITE WHITE RED,
108 (uint8_t*)WHITE WHITE WHITE WHITE BLACK,
109 (uint8_t*)WHITE WHITE WHITE WHITE RED,
110 (uint8_t*)WHITE RED BLACK RED WHITE,
111 };
112
113 static uint8_t* kColorfulImage5x5[] = {
114 (uint8_t*)WHITE BLACK WHITE BLACK WHITE,
115 (uint8_t*)BLACK RED BLUE GREEN WHITE,
116 (uint8_t*)BLACK RED GREEN GREEN WHITE,
117 (uint8_t*)WHITE TRANS BLUE GREEN WHITE,
118 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
119 };
120
121 static uint8_t* kOutlineOpaque10x10[] = {
122 (uint8_t*)WHITE BLACK BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE,
123 (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
124 (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
125 (uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
126 (uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
127 (uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
128 (uint8_t*)WHITE TRANS TRANS GREEN GREEN GREEN GREEN TRANS TRANS WHITE,
129 (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
130 (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
131 (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
132 };
133
134 static uint8_t* kOutlineTranslucent10x10[] = {
135 (uint8_t*)WHITE BLACK BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE,
136 (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
137 (uint8_t*)WHITE TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
138 (uint8_t*)WHITE TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
139 (uint8_t*)WHITE TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
140 (uint8_t*)WHITE TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
141 (uint8_t*)WHITE TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
142 (uint8_t*)WHITE TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
143 (uint8_t*)WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
144 (uint8_t*)WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
145 };
146
147 static uint8_t* kOutlineOffsetTranslucent12x10[] = {
148 (uint8_t*)
149 WHITE WHITE WHITE BLACK BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE,
150 (uint8_t*)
151 WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
152 (uint8_t*)
153 WHITE TRANS TRANS TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
154 (uint8_t*)
155 WHITE TRANS TRANS TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
156 (uint8_t*)
157 WHITE TRANS TRANS TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
158 (uint8_t*)
159 WHITE TRANS TRANS TRANS GR_20 GR_50 GR_70 GR_70 GR_50 GR_20 TRANS WHITE,
160 (uint8_t*)
161 WHITE TRANS TRANS TRANS TRANS GR_50 GR_50 GR_50 GR_50 TRANS TRANS WHITE,
162 (uint8_t*)
163 WHITE TRANS TRANS TRANS TRANS GR_20 GR_20 GR_20 GR_20 TRANS TRANS WHITE,
164 (uint8_t*)
165 WHITE TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS TRANS WHITE,
166 (uint8_t*)
167 WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE,
168 };
169
170 static uint8_t* kOutlineRadius5x5[] = {
171 (uint8_t*)WHITE BLACK BLACK BLACK WHITE,
172 (uint8_t*)BLACK TRANS GREEN TRANS WHITE,
173 (uint8_t*)BLACK GREEN GREEN GREEN WHITE,
174 (uint8_t*)BLACK TRANS GREEN TRANS WHITE,
175 (uint8_t*)WHITE WHITE WHITE WHITE WHITE,
176 };
177
178 static uint8_t* kStretchAndPadding5x5[] = {
179 (uint8_t*)WHITE WHITE BLACK WHITE WHITE, (uint8_t*)WHITE RED RED RED WHITE,
180 (uint8_t*)BLACK RED RED RED BLACK, (uint8_t*)WHITE RED RED RED WHITE,
181 (uint8_t*)WHITE WHITE BLACK WHITE WHITE,
182 };
183
TEST(NinePatchTest,Minimum3x3)184 TEST(NinePatchTest, Minimum3x3) {
185 std::string err;
186 EXPECT_EQ(nullptr, NinePatch::Create(k2x2, 2, 2, &err));
187 EXPECT_FALSE(err.empty());
188 }
189
TEST(NinePatchTest,MixedNeutralColors)190 TEST(NinePatchTest, MixedNeutralColors) {
191 std::string err;
192 EXPECT_EQ(nullptr, NinePatch::Create(kMixedNeutralColor3x3, 3, 3, &err));
193 EXPECT_FALSE(err.empty());
194 }
195
TEST(NinePatchTest,TransparentNeutralColor)196 TEST(NinePatchTest, TransparentNeutralColor) {
197 std::string err;
198 EXPECT_NE(nullptr,
199 NinePatch::Create(kTransparentNeutralColor3x3, 3, 3, &err));
200 }
201
TEST(NinePatchTest,SingleStretchRegion)202 TEST(NinePatchTest, SingleStretchRegion) {
203 std::string err;
204 std::unique_ptr<NinePatch> nine_patch =
205 NinePatch::Create(kSingleStretch7x6, 7, 6, &err);
206 ASSERT_NE(nullptr, nine_patch);
207
208 ASSERT_EQ(1u, nine_patch->horizontal_stretch_regions.size());
209 ASSERT_EQ(1u, nine_patch->vertical_stretch_regions.size());
210
211 EXPECT_EQ(Range(1, 4), nine_patch->horizontal_stretch_regions.front());
212 EXPECT_EQ(Range(1, 3), nine_patch->vertical_stretch_regions.front());
213 }
214
TEST(NinePatchTest,MultipleStretchRegions)215 TEST(NinePatchTest, MultipleStretchRegions) {
216 std::string err;
217 std::unique_ptr<NinePatch> nine_patch =
218 NinePatch::Create(kMultipleStretch10x7, 10, 7, &err);
219 ASSERT_NE(nullptr, nine_patch);
220
221 ASSERT_EQ(3u, nine_patch->horizontal_stretch_regions.size());
222 ASSERT_EQ(2u, nine_patch->vertical_stretch_regions.size());
223
224 EXPECT_EQ(Range(1, 2), nine_patch->horizontal_stretch_regions[0]);
225 EXPECT_EQ(Range(3, 5), nine_patch->horizontal_stretch_regions[1]);
226 EXPECT_EQ(Range(6, 7), nine_patch->horizontal_stretch_regions[2]);
227
228 EXPECT_EQ(Range(0, 2), nine_patch->vertical_stretch_regions[0]);
229 EXPECT_EQ(Range(3, 5), nine_patch->vertical_stretch_regions[1]);
230 }
231
TEST(NinePatchTest,InferPaddingFromStretchRegions)232 TEST(NinePatchTest, InferPaddingFromStretchRegions) {
233 std::string err;
234 std::unique_ptr<NinePatch> nine_patch =
235 NinePatch::Create(kMultipleStretch10x7, 10, 7, &err);
236 ASSERT_NE(nullptr, nine_patch);
237 EXPECT_EQ(Bounds(1, 0, 1, 0), nine_patch->padding);
238 }
239
TEST(NinePatchTest,Padding)240 TEST(NinePatchTest, Padding) {
241 std::string err;
242 std::unique_ptr<NinePatch> nine_patch =
243 NinePatch::Create(kPadding6x5, 6, 5, &err);
244 ASSERT_NE(nullptr, nine_patch);
245 EXPECT_EQ(Bounds(1, 1, 1, 1), nine_patch->padding);
246 }
247
TEST(NinePatchTest,LayoutBoundsAreOnWrongEdge)248 TEST(NinePatchTest, LayoutBoundsAreOnWrongEdge) {
249 std::string err;
250 EXPECT_EQ(nullptr, NinePatch::Create(kLayoutBoundsWrongEdge3x3, 3, 3, &err));
251 EXPECT_FALSE(err.empty());
252 }
253
TEST(NinePatchTest,LayoutBoundsMustTouchEdges)254 TEST(NinePatchTest, LayoutBoundsMustTouchEdges) {
255 std::string err;
256 EXPECT_EQ(nullptr,
257 NinePatch::Create(kLayoutBoundsNotEdgeAligned5x5, 5, 5, &err));
258 EXPECT_FALSE(err.empty());
259 }
260
TEST(NinePatchTest,LayoutBounds)261 TEST(NinePatchTest, LayoutBounds) {
262 std::string err;
263 std::unique_ptr<NinePatch> nine_patch =
264 NinePatch::Create(kLayoutBounds5x5, 5, 5, &err);
265 ASSERT_NE(nullptr, nine_patch);
266 EXPECT_EQ(Bounds(1, 1, 1, 1), nine_patch->layout_bounds);
267
268 nine_patch = NinePatch::Create(kAsymmetricLayoutBounds5x5, 5, 5, &err);
269 ASSERT_NE(nullptr, nine_patch);
270 EXPECT_EQ(Bounds(1, 1, 0, 0), nine_patch->layout_bounds);
271 }
272
TEST(NinePatchTest,PaddingAndLayoutBounds)273 TEST(NinePatchTest, PaddingAndLayoutBounds) {
274 std::string err;
275 std::unique_ptr<NinePatch> nine_patch =
276 NinePatch::Create(kPaddingAndLayoutBounds5x5, 5, 5, &err);
277 ASSERT_NE(nullptr, nine_patch);
278 EXPECT_EQ(Bounds(1, 1, 1, 1), nine_patch->padding);
279 EXPECT_EQ(Bounds(1, 1, 1, 1), nine_patch->layout_bounds);
280 }
281
TEST(NinePatchTest,RegionColorsAreCorrect)282 TEST(NinePatchTest, RegionColorsAreCorrect) {
283 std::string err;
284 std::unique_ptr<NinePatch> nine_patch =
285 NinePatch::Create(kColorfulImage5x5, 5, 5, &err);
286 ASSERT_NE(nullptr, nine_patch);
287
288 std::vector<uint32_t> expected_colors = {
289 NinePatch::PackRGBA((uint8_t*)RED),
290 (uint32_t)android::Res_png_9patch::NO_COLOR,
291 NinePatch::PackRGBA((uint8_t*)GREEN),
292 (uint32_t)android::Res_png_9patch::TRANSPARENT_COLOR,
293 NinePatch::PackRGBA((uint8_t*)BLUE),
294 NinePatch::PackRGBA((uint8_t*)GREEN),
295 };
296 EXPECT_EQ(expected_colors, nine_patch->region_colors);
297 }
298
TEST(NinePatchTest,OutlineFromOpaqueImage)299 TEST(NinePatchTest, OutlineFromOpaqueImage) {
300 std::string err;
301 std::unique_ptr<NinePatch> nine_patch =
302 NinePatch::Create(kOutlineOpaque10x10, 10, 10, &err);
303 ASSERT_NE(nullptr, nine_patch);
304 EXPECT_EQ(Bounds(2, 2, 2, 2), nine_patch->outline);
305 EXPECT_EQ(0x000000ffu, nine_patch->outline_alpha);
306 EXPECT_EQ(0.0f, nine_patch->outline_radius);
307 }
308
TEST(NinePatchTest,OutlineFromTranslucentImage)309 TEST(NinePatchTest, OutlineFromTranslucentImage) {
310 std::string err;
311 std::unique_ptr<NinePatch> nine_patch =
312 NinePatch::Create(kOutlineTranslucent10x10, 10, 10, &err);
313 ASSERT_NE(nullptr, nine_patch);
314 EXPECT_EQ(Bounds(3, 3, 3, 3), nine_patch->outline);
315 EXPECT_EQ(0x000000b3u, nine_patch->outline_alpha);
316 EXPECT_EQ(0.0f, nine_patch->outline_radius);
317 }
318
TEST(NinePatchTest,OutlineFromOffCenterImage)319 TEST(NinePatchTest, OutlineFromOffCenterImage) {
320 std::string err;
321 std::unique_ptr<NinePatch> nine_patch =
322 NinePatch::Create(kOutlineOffsetTranslucent12x10, 12, 10, &err);
323 ASSERT_NE(nullptr, nine_patch);
324
325 // TODO(adamlesinski): The old AAPT algorithm searches from the outside to the
326 // middle for each inset. If the outline is shifted, the search may not find a
327 // closer bounds.
328 // This check should be:
329 // EXPECT_EQ(Bounds(5, 3, 3, 3), ninePatch->outline);
330 // but until I know what behavior I'm breaking, I will leave it at the
331 // incorrect:
332 EXPECT_EQ(Bounds(4, 3, 3, 3), nine_patch->outline);
333
334 EXPECT_EQ(0x000000b3u, nine_patch->outline_alpha);
335 EXPECT_EQ(0.0f, nine_patch->outline_radius);
336 }
337
TEST(NinePatchTest,OutlineRadius)338 TEST(NinePatchTest, OutlineRadius) {
339 std::string err;
340 std::unique_ptr<NinePatch> nine_patch =
341 NinePatch::Create(kOutlineRadius5x5, 5, 5, &err);
342 ASSERT_NE(nullptr, nine_patch);
343 EXPECT_EQ(Bounds(0, 0, 0, 0), nine_patch->outline);
344 EXPECT_EQ(3.4142f, nine_patch->outline_radius);
345 }
346
BigEndianOne(uint8_t * cursor)347 ::testing::AssertionResult BigEndianOne(uint8_t* cursor) {
348 if (cursor[0] == 0 && cursor[1] == 0 && cursor[2] == 0 && cursor[3] == 1) {
349 return ::testing::AssertionSuccess();
350 }
351 return ::testing::AssertionFailure() << "Not BigEndian 1";
352 }
353
TEST(NinePatchTest,SerializePngEndianness)354 TEST(NinePatchTest, SerializePngEndianness) {
355 std::string err;
356 std::unique_ptr<NinePatch> nine_patch =
357 NinePatch::Create(kStretchAndPadding5x5, 5, 5, &err);
358 ASSERT_NE(nullptr, nine_patch);
359
360 size_t len;
361 std::unique_ptr<uint8_t[]> data = nine_patch->SerializeBase(&len);
362 ASSERT_NE(nullptr, data);
363 ASSERT_NE(0u, len);
364
365 // Skip past wasDeserialized + numXDivs + numYDivs + numColors + xDivsOffset +
366 // yDivsOffset
367 // (12 bytes)
368 uint8_t* cursor = data.get() + 12;
369
370 // Check that padding is big-endian. Expecting value 1.
371 EXPECT_TRUE(BigEndianOne(cursor));
372 EXPECT_TRUE(BigEndianOne(cursor + 4));
373 EXPECT_TRUE(BigEndianOne(cursor + 8));
374 EXPECT_TRUE(BigEndianOne(cursor + 12));
375 }
376
377 } // namespace aapt
378