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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkBitmap.h" | 8 #include "SkBitmap.h" |
9 #include "SkCanvas.h" | 9 #include "SkCanvas.h" |
10 #include "SkDashPathEffect.h" | 10 #include "SkDashPathEffect.h" |
11 #include "SkStrokeRec.h" | 11 #include "SkStrokeRec.h" |
12 #include "SkSurface.h" | 12 #include "SkSurface.h" |
13 #include "Test.h" | 13 #include "Test.h" |
14 | 14 |
15 // test that we can draw an aa-rect at coordinates > 32K (bigger than fixedpoint
) | 15 // test that we can draw an aa-rect at coordinates > 32K (bigger than fixedpoint
) |
16 static void test_big_aa_rect(skiatest::Reporter* reporter) { | 16 static void test_big_aa_rect(skiatest::Reporter* reporter) { |
17 SkBitmap output; | 17 SkBitmap output; |
18 SkPMColor pixel[1]; | 18 SkPMColor pixel[1]; |
19 output.installPixels(SkImageInfo::MakeN32Premul(1, 1), pixel, 4); | 19 output.installPixels(SkImageInfo::MakeN32Premul(1, 1), pixel, 4); |
20 | 20 |
21 SkSurface* surf = SkSurface::NewRasterN32Premul(300, 33300); | 21 auto surf = SkSurface::MakeRasterN32Premul(300, 33300); |
22 SkCanvas* canvas = surf->getCanvas(); | 22 SkCanvas* canvas = surf->getCanvas(); |
23 | 23 |
24 SkRect r = { 0, 33000, 300, 33300 }; | 24 SkRect r = { 0, 33000, 300, 33300 }; |
25 int x = SkScalarRoundToInt(r.left()); | 25 int x = SkScalarRoundToInt(r.left()); |
26 int y = SkScalarRoundToInt(r.top()); | 26 int y = SkScalarRoundToInt(r.top()); |
27 | 27 |
28 // check that the pixel in question starts as transparent (by the surface) | 28 // check that the pixel in question starts as transparent (by the surface) |
29 if (canvas->readPixels(&output, x, y)) { | 29 if (canvas->readPixels(&output, x, y)) { |
30 REPORTER_ASSERT(reporter, 0 == pixel[0]); | 30 REPORTER_ASSERT(reporter, 0 == pixel[0]); |
31 } else { | 31 } else { |
32 REPORTER_ASSERT_MESSAGE(reporter, false, "readPixels failed"); | 32 REPORTER_ASSERT_MESSAGE(reporter, false, "readPixels failed"); |
33 } | 33 } |
34 | 34 |
35 SkPaint paint; | 35 SkPaint paint; |
36 paint.setAntiAlias(true); | 36 paint.setAntiAlias(true); |
37 paint.setColor(SK_ColorWHITE); | 37 paint.setColor(SK_ColorWHITE); |
38 | 38 |
39 canvas->drawRect(r, paint); | 39 canvas->drawRect(r, paint); |
40 | 40 |
41 // Now check that it is BLACK | 41 // Now check that it is BLACK |
42 if (canvas->readPixels(&output, x, y)) { | 42 if (canvas->readPixels(&output, x, y)) { |
43 // don't know what swizzling PMColor did, but white should always | 43 // don't know what swizzling PMColor did, but white should always |
44 // appear the same. | 44 // appear the same. |
45 REPORTER_ASSERT(reporter, 0xFFFFFFFF == pixel[0]); | 45 REPORTER_ASSERT(reporter, 0xFFFFFFFF == pixel[0]); |
46 } else { | 46 } else { |
47 REPORTER_ASSERT_MESSAGE(reporter, false, "readPixels failed"); | 47 REPORTER_ASSERT_MESSAGE(reporter, false, "readPixels failed"); |
48 } | 48 } |
49 surf->unref(); | |
50 } | 49 } |
51 | 50 |
52 /////////////////////////////////////////////////////////////////////////////// | 51 /////////////////////////////////////////////////////////////////////////////// |
53 | 52 |
54 static void moveToH(SkPath* path, const uint32_t raw[]) { | 53 static void moveToH(SkPath* path, const uint32_t raw[]) { |
55 const float* fptr = (const float*)raw; | 54 const float* fptr = (const float*)raw; |
56 path->moveTo(fptr[0], fptr[1]); | 55 path->moveTo(fptr[0], fptr[1]); |
57 } | 56 } |
58 | 57 |
59 static void cubicToH(SkPath* path, const uint32_t raw[]) { | 58 static void cubicToH(SkPath* path, const uint32_t raw[]) { |
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88 */ | 87 */ |
89 uint32_t data[] = { | 88 uint32_t data[] = { |
90 0x419727af, 0x43011f0c, 0x41972663, 0x43011f27, | 89 0x419727af, 0x43011f0c, 0x41972663, 0x43011f27, |
91 0x419728fc, 0x43011ed4, 0x4194064b, 0x43012197 | 90 0x419728fc, 0x43011ed4, 0x4194064b, 0x43012197 |
92 }; | 91 }; |
93 | 92 |
94 SkPath path; | 93 SkPath path; |
95 moveToH(&path, &data[0]); | 94 moveToH(&path, &data[0]); |
96 cubicToH(&path, &data[2]); | 95 cubicToH(&path, &data[2]); |
97 | 96 |
98 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(640, 480)); | 97 auto surface(SkSurface::MakeRasterN32Premul(640, 480)); |
99 | 98 |
100 SkPaint paint; | 99 SkPaint paint; |
101 paint.setAntiAlias(true); | 100 paint.setAntiAlias(true); |
102 surface->getCanvas()->drawPath(path, paint); | 101 surface->getCanvas()->drawPath(path, paint); |
103 } | 102 } |
104 | 103 |
105 // This used to assert in debug builds (and crash writing bad memory in release) | 104 // This used to assert in debug builds (and crash writing bad memory in release) |
106 // because we overflowed an intermediate value (B coefficient) setting up our | 105 // because we overflowed an intermediate value (B coefficient) setting up our |
107 // stepper for the quadratic. Now we bias that value by 1/2 so we don't overflow | 106 // stepper for the quadratic. Now we bias that value by 1/2 so we don't overflow |
108 static void test_crbug_140803() { | 107 static void test_crbug_140803() { |
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125 // | 124 // |
126 static void test_inversepathwithclip() { | 125 static void test_inversepathwithclip() { |
127 SkPath path; | 126 SkPath path; |
128 | 127 |
129 path.moveTo(0, 20); | 128 path.moveTo(0, 20); |
130 path.quadTo(10, 10, 20, 20); | 129 path.quadTo(10, 10, 20, 20); |
131 path.toggleInverseFillType(); | 130 path.toggleInverseFillType(); |
132 | 131 |
133 SkPaint paint; | 132 SkPaint paint; |
134 | 133 |
135 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(640, 480)); | 134 auto surface(SkSurface::MakeRasterN32Premul(640, 480)); |
136 SkCanvas* canvas = surface->getCanvas(); | 135 SkCanvas* canvas = surface->getCanvas(); |
137 canvas->save(); | 136 canvas->save(); |
138 canvas->clipRect(SkRect::MakeWH(19, 11)); | 137 canvas->clipRect(SkRect::MakeWH(19, 11)); |
139 | 138 |
140 paint.setAntiAlias(false); | 139 paint.setAntiAlias(false); |
141 canvas->drawPath(path, paint); | 140 canvas->drawPath(path, paint); |
142 paint.setAntiAlias(true); | 141 paint.setAntiAlias(true); |
143 canvas->drawPath(path, paint); | 142 canvas->drawPath(path, paint); |
144 | 143 |
145 canvas->restore(); | 144 canvas->restore(); |
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164 This particular test/bug only applies to the float case, where the | 163 This particular test/bug only applies to the float case, where the |
165 coordinates are very large. | 164 coordinates are very large. |
166 */ | 165 */ |
167 SkPath path; | 166 SkPath path; |
168 path.moveTo(64, 3); | 167 path.moveTo(64, 3); |
169 path.quadTo(-329936, -100000000, 1153, 330003); | 168 path.quadTo(-329936, -100000000, 1153, 330003); |
170 | 169 |
171 SkPaint paint; | 170 SkPaint paint; |
172 paint.setAntiAlias(true); | 171 paint.setAntiAlias(true); |
173 | 172 |
174 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(640, 480)); | 173 auto surface(SkSurface::MakeRasterN32Premul(640, 480)); |
175 surface->getCanvas()->drawPath(path, paint); | 174 surface->getCanvas()->drawPath(path, paint); |
176 } | 175 } |
177 | 176 |
178 static void test_crbug_140642() { | 177 static void test_crbug_140642() { |
179 /* | 178 /* |
180 * We used to see this construct, and due to rounding as we accumulated | 179 * We used to see this construct, and due to rounding as we accumulated |
181 * our length, the loop where we apply the phase would run off the end of | 180 * our length, the loop where we apply the phase would run off the end of |
182 * the array, since it relied on just -= each interval value, which did not | 181 * the array, since it relied on just -= each interval value, which did not |
183 * behave as "expected". Now the code explicitly checks for walking off the | 182 * behave as "expected". Now the code explicitly checks for walking off the |
184 * end of that array. | 183 * end of that array. |
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206 } | 205 } |
207 | 206 |
208 static void test_bigcubic() { | 207 static void test_bigcubic() { |
209 SkPath path; | 208 SkPath path; |
210 path.moveTo(64, 3); | 209 path.moveTo(64, 3); |
211 path.cubicTo(-329936, -100000000, -329936, 100000000, 1153, 330003); | 210 path.cubicTo(-329936, -100000000, -329936, 100000000, 1153, 330003); |
212 | 211 |
213 SkPaint paint; | 212 SkPaint paint; |
214 paint.setAntiAlias(true); | 213 paint.setAntiAlias(true); |
215 | 214 |
216 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(640, 480)); | 215 auto surface(SkSurface::MakeRasterN32Premul(640, 480)); |
217 surface->getCanvas()->drawPath(path, paint); | 216 surface->getCanvas()->drawPath(path, paint); |
218 } | 217 } |
219 | 218 |
220 // asserts if halfway case is not handled | 219 // asserts if halfway case is not handled |
221 static void test_halfway() { | 220 static void test_halfway() { |
222 SkPaint paint; | 221 SkPaint paint; |
223 SkPath path; | 222 SkPath path; |
224 path.moveTo(16365.5f, 1394); | 223 path.moveTo(16365.5f, 1394); |
225 path.lineTo(16365.5f, 1387.5f); | 224 path.lineTo(16365.5f, 1387.5f); |
226 path.quadTo(16365.5f, 1385.43f, 16367, 1383.96f); | 225 path.quadTo(16365.5f, 1385.43f, 16367, 1383.96f); |
227 path.quadTo(16368.4f, 1382.5f, 16370.5f, 1382.5f); | 226 path.quadTo(16368.4f, 1382.5f, 16370.5f, 1382.5f); |
228 path.lineTo(16465.5f, 1382.5f); | 227 path.lineTo(16465.5f, 1382.5f); |
229 path.quadTo(16467.6f, 1382.5f, 16469, 1383.96f); | 228 path.quadTo(16467.6f, 1382.5f, 16469, 1383.96f); |
230 path.quadTo(16470.5f, 1385.43f, 16470.5f, 1387.5f); | 229 path.quadTo(16470.5f, 1385.43f, 16470.5f, 1387.5f); |
231 path.lineTo(16470.5f, 1394); | 230 path.lineTo(16470.5f, 1394); |
232 path.quadTo(16470.5f, 1396.07f, 16469, 1397.54f); | 231 path.quadTo(16470.5f, 1396.07f, 16469, 1397.54f); |
233 path.quadTo(16467.6f, 1399, 16465.5f, 1399); | 232 path.quadTo(16467.6f, 1399, 16465.5f, 1399); |
234 path.lineTo(16370.5f, 1399); | 233 path.lineTo(16370.5f, 1399); |
235 path.quadTo(16368.4f, 1399, 16367, 1397.54f); | 234 path.quadTo(16368.4f, 1399, 16367, 1397.54f); |
236 path.quadTo(16365.5f, 1396.07f, 16365.5f, 1394); | 235 path.quadTo(16365.5f, 1396.07f, 16365.5f, 1394); |
237 path.close(); | 236 path.close(); |
238 SkPath p2; | 237 SkPath p2; |
239 SkMatrix m; | 238 SkMatrix m; |
240 m.reset(); | 239 m.reset(); |
241 m.postTranslate(0.001f, 0.001f); | 240 m.postTranslate(0.001f, 0.001f); |
242 path.transform(m, &p2); | 241 path.transform(m, &p2); |
243 | 242 |
244 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(640, 480)); | 243 auto surface(SkSurface::MakeRasterN32Premul(640, 480)); |
245 SkCanvas* canvas = surface->getCanvas(); | 244 SkCanvas* canvas = surface->getCanvas(); |
246 canvas->translate(-16366, -1383); | 245 canvas->translate(-16366, -1383); |
247 canvas->drawPath(p2, paint); | 246 canvas->drawPath(p2, paint); |
248 | 247 |
249 m.reset(); | 248 m.reset(); |
250 m.postTranslate(-0.001f, -0.001f); | 249 m.postTranslate(-0.001f, -0.001f); |
251 path.transform(m, &p2); | 250 path.transform(m, &p2); |
252 canvas->drawPath(p2, paint); | 251 canvas->drawPath(p2, paint); |
253 | 252 |
254 m.reset(); | 253 m.reset(); |
255 path.transform(m, &p2); | 254 path.transform(m, &p2); |
256 canvas->drawPath(p2, paint); | 255 canvas->drawPath(p2, paint); |
257 } | 256 } |
258 | 257 |
259 // we used to assert if the bounds of the device (clip) was larger than 32K | 258 // we used to assert if the bounds of the device (clip) was larger than 32K |
260 // even when the path itself was smaller. We just draw and hope in the debug | 259 // even when the path itself was smaller. We just draw and hope in the debug |
261 // version to not assert. | 260 // version to not assert. |
262 static void test_giantaa() { | 261 static void test_giantaa() { |
263 const int W = 400; | 262 const int W = 400; |
264 const int H = 400; | 263 const int H = 400; |
265 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(33000, 10)); | 264 auto surface(SkSurface::MakeRasterN32Premul(33000, 10)); |
266 | 265 |
267 SkPaint paint; | 266 SkPaint paint; |
268 paint.setAntiAlias(true); | 267 paint.setAntiAlias(true); |
269 SkPath path; | 268 SkPath path; |
270 path.addOval(SkRect::MakeXYWH(-10, -10, 20 + W, 20 + H)); | 269 path.addOval(SkRect::MakeXYWH(-10, -10, 20 + W, 20 + H)); |
271 surface->getCanvas()->drawPath(path, paint); | 270 surface->getCanvas()->drawPath(path, paint); |
272 } | 271 } |
273 | 272 |
274 // Extremely large path_length/dash_length ratios may cause infinite looping | 273 // Extremely large path_length/dash_length ratios may cause infinite looping |
275 // in SkDashPathEffect::filterPath() due to single precision rounding. | 274 // in SkDashPathEffect::filterPath() due to single precision rounding. |
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309 | 308 |
310 SkPath filteredPath; | 309 SkPath filteredPath; |
311 SkStrokeRec rec(paint); | 310 SkStrokeRec rec(paint); |
312 REPORTER_ASSERT(reporter, !dash->filterPath(&filteredPath, path, &rec, nullp
tr)); | 311 REPORTER_ASSERT(reporter, !dash->filterPath(&filteredPath, path, &rec, nullp
tr)); |
313 REPORTER_ASSERT(reporter, filteredPath.isEmpty()); | 312 REPORTER_ASSERT(reporter, filteredPath.isEmpty()); |
314 } | 313 } |
315 | 314 |
316 // http://crbug.com/472147 | 315 // http://crbug.com/472147 |
317 // This is a simplified version from the bug. RRect radii not properly scaled. | 316 // This is a simplified version from the bug. RRect radii not properly scaled. |
318 static void test_crbug_472147_simple(skiatest::Reporter* reporter) { | 317 static void test_crbug_472147_simple(skiatest::Reporter* reporter) { |
319 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(1000, 1000)); | 318 auto surface(SkSurface::MakeRasterN32Premul(1000, 1000)); |
320 SkCanvas* canvas = surface->getCanvas(); | 319 SkCanvas* canvas = surface->getCanvas(); |
321 SkPaint p; | 320 SkPaint p; |
322 SkRect r = SkRect::MakeLTRB(-246.0f, 33.0f, 848.0f, 33554464.0f); | 321 SkRect r = SkRect::MakeLTRB(-246.0f, 33.0f, 848.0f, 33554464.0f); |
323 SkVector radii[4] = { | 322 SkVector radii[4] = { |
324 { 13.0f, 8.0f }, { 170.0f, 2.0 }, { 256.0f, 33554430.0f }, { 120.0f, 5.0
f } | 323 { 13.0f, 8.0f }, { 170.0f, 2.0 }, { 256.0f, 33554430.0f }, { 120.0f, 5.0
f } |
325 }; | 324 }; |
326 SkRRect rr; | 325 SkRRect rr; |
327 rr.setRectRadii(r, radii); | 326 rr.setRectRadii(r, radii); |
328 canvas->drawRRect(rr, p); | 327 canvas->drawRRect(rr, p); |
329 } | 328 } |
330 | 329 |
331 // http://crbug.com/472147 | 330 // http://crbug.com/472147 |
332 // RRect radii not properly scaled. | 331 // RRect radii not properly scaled. |
333 static void test_crbug_472147_actual(skiatest::Reporter* reporter) { | 332 static void test_crbug_472147_actual(skiatest::Reporter* reporter) { |
334 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(1000, 1000)); | 333 auto surface(SkSurface::MakeRasterN32Premul(1000, 1000)); |
335 SkCanvas* canvas = surface->getCanvas(); | 334 SkCanvas* canvas = surface->getCanvas(); |
336 SkPaint p; | 335 SkPaint p; |
337 SkRect r = SkRect::MakeLTRB(-246.0f, 33.0f, 848.0f, 33554464.0f); | 336 SkRect r = SkRect::MakeLTRB(-246.0f, 33.0f, 848.0f, 33554464.0f); |
338 SkVector radii[4] = { | 337 SkVector radii[4] = { |
339 { 13.0f, 8.0f }, { 170.0f, 2.0 }, { 256.0f, 33554430.0f }, { 120.0f, 5.0
f } | 338 { 13.0f, 8.0f }, { 170.0f, 2.0 }, { 256.0f, 33554430.0f }, { 120.0f, 5.0
f } |
340 }; | 339 }; |
341 SkRRect rr; | 340 SkRRect rr; |
342 rr.setRectRadii(r, radii); | 341 rr.setRectRadii(r, radii); |
343 canvas->clipRRect(rr, SkRegion::kIntersect_Op, false); | 342 canvas->clipRRect(rr, SkRegion::kIntersect_Op, false); |
344 | 343 |
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356 test_inversepathwithclip(); | 355 test_inversepathwithclip(); |
357 // why? | 356 // why? |
358 if (false) test_crbug131181(); | 357 if (false) test_crbug131181(); |
359 test_infinite_dash(reporter); | 358 test_infinite_dash(reporter); |
360 test_crbug_165432(reporter); | 359 test_crbug_165432(reporter); |
361 test_crbug_472147_simple(reporter); | 360 test_crbug_472147_simple(reporter); |
362 test_crbug_472147_actual(reporter); | 361 test_crbug_472147_actual(reporter); |
363 test_big_aa_rect(reporter); | 362 test_big_aa_rect(reporter); |
364 test_halfway(); | 363 test_halfway(); |
365 } | 364 } |
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