blob: f734ad83567cd31945df8598036ef6be3cf73b22 [file] [log] [blame]
epoger@google.comec3ed6a2011-07-28 14:26:00 +00001/*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +00007
reed@android.com42263962009-05-01 04:00:01 +00008#include "SkBitmap.h"
reed@android.com311c82d2009-05-05 23:13:23 +00009#include "SkRect.h"
tfarina@chromium.org8f6884a2014-01-24 20:56:26 +000010#include "Test.h"
reed@android.com42263962009-05-01 04:00:01 +000011
12static const char* boolStr(bool value) {
13 return value ? "true" : "false";
14}
15
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +000016// these are in the same order as the SkColorType enum
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +000017static const char* gColorTypeName[] = {
18 "None", "A8", "565", "4444", "RGBA", "BGRA", "Index8"
reed@android.com42263962009-05-01 04:00:01 +000019};
20
reed@android.comcafc9f92009-08-22 03:44:57 +000021static void report_opaqueness(skiatest::Reporter* reporter, const SkBitmap& src,
22 const SkBitmap& dst) {
halcanary@google.coma9325fa2014-01-10 14:58:10 +000023 ERRORF(reporter, "src %s opaque:%d, dst %s opaque:%d",
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +000024 gColorTypeName[src.colorType()], src.isOpaque(),
25 gColorTypeName[dst.colorType()], dst.isOpaque());
reed@android.comcafc9f92009-08-22 03:44:57 +000026}
27
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +000028static bool canHaveAlpha(SkColorType ct) {
29 return kRGB_565_SkColorType != ct;
reed@android.comcafc9f92009-08-22 03:44:57 +000030}
31
32// copyTo() should preserve isOpaque when it makes sense
reed@google.com0a6151d2013-10-10 14:44:56 +000033static void test_isOpaque(skiatest::Reporter* reporter,
34 const SkBitmap& srcOpaque, const SkBitmap& srcPremul,
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +000035 SkColorType dstColorType) {
reed@android.comcafc9f92009-08-22 03:44:57 +000036 SkBitmap dst;
37
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +000038 if (canHaveAlpha(srcPremul.colorType()) && canHaveAlpha(dstColorType)) {
39 REPORTER_ASSERT(reporter, srcPremul.copyTo(&dst, dstColorType));
40 REPORTER_ASSERT(reporter, dst.colorType() == dstColorType);
reed@google.com0a6151d2013-10-10 14:44:56 +000041 if (srcPremul.isOpaque() != dst.isOpaque()) {
42 report_opaqueness(reporter, srcPremul, dst);
reed@android.comcafc9f92009-08-22 03:44:57 +000043 }
44 }
45
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +000046 REPORTER_ASSERT(reporter, srcOpaque.copyTo(&dst, dstColorType));
47 REPORTER_ASSERT(reporter, dst.colorType() == dstColorType);
reed@google.com0a6151d2013-10-10 14:44:56 +000048 if (srcOpaque.isOpaque() != dst.isOpaque()) {
49 report_opaqueness(reporter, srcOpaque, dst);
reed@android.comcafc9f92009-08-22 03:44:57 +000050 }
51}
52
reed@google.com0a6151d2013-10-10 14:44:56 +000053static void init_src(const SkBitmap& bitmap) {
weita@google.comf9ab99a2009-05-03 18:23:30 +000054 SkAutoLockPixels lock(bitmap);
reed@android.com42263962009-05-01 04:00:01 +000055 if (bitmap.getPixels()) {
reed@google.com0a6151d2013-10-10 14:44:56 +000056 if (bitmap.getColorTable()) {
reed@google.com9ce6e752011-01-10 14:04:07 +000057 sk_bzero(bitmap.getPixels(), bitmap.getSize());
58 } else {
59 bitmap.eraseColor(SK_ColorWHITE);
60 }
reed@android.com42263962009-05-01 04:00:01 +000061 }
62}
63
reed@google.com0a6151d2013-10-10 14:44:56 +000064static SkColorTable* init_ctable(SkAlphaType alphaType) {
reed@android.com42263962009-05-01 04:00:01 +000065 static const SkColor colors[] = {
66 SK_ColorBLACK, SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE
67 };
reed@google.com0a6151d2013-10-10 14:44:56 +000068 return new SkColorTable(colors, SK_ARRAY_COUNT(colors), alphaType);
reed@android.com42263962009-05-01 04:00:01 +000069}
70
71struct Pair {
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +000072 SkColorType fColorType;
73 const char* fValid;
reed@android.com42263962009-05-01 04:00:01 +000074};
75
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +000076// Utility functions for copyPixelsTo()/copyPixelsFrom() tests.
77// getPixel()
78// setPixel()
79// getSkConfigName()
80// struct Coordinates
81// reportCopyVerification()
82// writeCoordPixels()
83
84// Utility function to read the value of a given pixel in bm. All
85// values converted to uint32_t for simplification of comparisons.
caryclark@google.com42639cd2012-06-06 12:03:39 +000086static uint32_t getPixel(int x, int y, const SkBitmap& bm) {
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +000087 uint32_t val = 0;
88 uint16_t val16;
rmistry@google.comd6bab022013-12-02 13:50:38 +000089 uint8_t val8;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +000090 SkAutoLockPixels lock(bm);
91 const void* rawAddr = bm.getAddr(x,y);
92
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +000093 switch (bm.bytesPerPixel()) {
94 case 4:
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +000095 memcpy(&val, rawAddr, sizeof(uint32_t));
96 break;
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +000097 case 2:
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +000098 memcpy(&val16, rawAddr, sizeof(uint16_t));
99 val = val16;
100 break;
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000101 case 1:
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000102 memcpy(&val8, rawAddr, sizeof(uint8_t));
103 val = val8;
104 break;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000105 default:
106 break;
107 }
108 return val;
109}
110
111// Utility function to set value of any pixel in bm.
112// bm.getConfig() specifies what format 'val' must be
113// converted to, but at present uint32_t can handle all formats.
caryclark@google.com42639cd2012-06-06 12:03:39 +0000114static void setPixel(int x, int y, uint32_t val, SkBitmap& bm) {
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000115 uint16_t val16;
rmistry@google.comd6bab022013-12-02 13:50:38 +0000116 uint8_t val8;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000117 SkAutoLockPixels lock(bm);
118 void* rawAddr = bm.getAddr(x,y);
119
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000120 switch (bm.bytesPerPixel()) {
121 case 4:
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000122 memcpy(rawAddr, &val, sizeof(uint32_t));
123 break;
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000124 case 2:
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000125 val16 = val & 0xFFFF;
126 memcpy(rawAddr, &val16, sizeof(uint16_t));
127 break;
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000128 case 1:
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000129 val8 = val & 0xFF;
130 memcpy(rawAddr, &val8, sizeof(uint8_t));
131 break;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000132 default:
133 // Ignore.
134 break;
135 }
136}
137
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000138// Helper struct to contain pixel locations, while avoiding need for STL.
139struct Coordinates {
140
141 const int length;
142 SkIPoint* const data;
143
144 explicit Coordinates(int _length): length(_length)
145 , data(new SkIPoint[length]) { }
146
147 ~Coordinates(){
148 delete [] data;
149 }
150
151 SkIPoint* operator[](int i) const {
152 // Use with care, no bounds checking.
153 return data + i;
154 }
155};
156
157// A function to verify that two bitmaps contain the same pixel values
158// at all coordinates indicated by coords. Simplifies verification of
159// copied bitmaps.
caryclark@google.com42639cd2012-06-06 12:03:39 +0000160static void reportCopyVerification(const SkBitmap& bm1, const SkBitmap& bm2,
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000161 Coordinates& coords,
162 const char* msg,
163 skiatest::Reporter* reporter){
164 bool success = true;
165
166 // Confirm all pixels in the list match.
scroggo@google.comd5764e82012-08-22 15:00:05 +0000167 for (int i = 0; i < coords.length; ++i) {
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000168 success = success &&
169 (getPixel(coords[i]->fX, coords[i]->fY, bm1) ==
170 getPixel(coords[i]->fX, coords[i]->fY, bm2));
scroggo@google.comd5764e82012-08-22 15:00:05 +0000171 }
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000172
173 if (!success) {
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000174 ERRORF(reporter, "%s [colortype = %s]", msg,
175 gColorTypeName[bm1.colorType()]);
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000176 }
177}
178
179// Writes unique pixel values at locations specified by coords.
caryclark@google.com42639cd2012-06-06 12:03:39 +0000180static void writeCoordPixels(SkBitmap& bm, const Coordinates& coords) {
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000181 for (int i = 0; i < coords.length; ++i)
182 setPixel(coords[i]->fX, coords[i]->fY, i, bm);
183}
184
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000185static const Pair gPairs[] = {
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000186 { kUnknown_SkColorType, "000000" },
187 { kAlpha_8_SkColorType, "010101" },
188 { kIndex_8_SkColorType, "011101" },
189 { kRGB_565_SkColorType, "010101" },
190 { kARGB_4444_SkColorType, "010111" },
191 { kPMColor_SkColorType, "010111" },
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000192};
commit-bot@chromium.org5c6f1d42014-01-10 18:28:23 +0000193
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000194static const int W = 20;
195static const int H = 33;
196
197static void setup_src_bitmaps(SkBitmap* srcOpaque, SkBitmap* srcPremul,
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000198 SkColorType ct) {
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000199 SkColorTable* ctOpaque = NULL;
200 SkColorTable* ctPremul = NULL;
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000201 if (kIndex_8_SkColorType == ct) {
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000202 ctOpaque = init_ctable(kOpaque_SkAlphaType);
203 ctPremul = init_ctable(kPremul_SkAlphaType);
204 }
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000205
206 srcOpaque->allocPixels(SkImageInfo::Make(W, H, ct, kOpaque_SkAlphaType),
207 NULL, ctOpaque);
208 srcPremul->allocPixels(SkImageInfo::Make(W, H, ct, kPremul_SkAlphaType),
209 NULL, ctPremul);
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000210 SkSafeUnref(ctOpaque);
211 SkSafeUnref(ctPremul);
212 init_src(*srcOpaque);
213 init_src(*srcPremul);
214}
215
216DEF_TEST(BitmapCopy_extractSubset, reporter) {
217 for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
218 SkBitmap srcOpaque, srcPremul;
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000219 setup_src_bitmaps(&srcOpaque, &srcPremul, gPairs[i].fColorType);
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000220
221 SkBitmap bitmap(srcOpaque);
222 SkBitmap subset;
223 SkIRect r;
224 // Extract a subset which has the same width as the original. This
225 // catches a bug where we cloned the genID incorrectly.
226 r.set(0, 1, W, 3);
227 bitmap.setIsVolatile(true);
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000228 // Relies on old behavior of extractSubset failing if colortype is unknown
229 if (kUnknown_SkColorType != bitmap.colorType() && bitmap.extractSubset(&subset, r)) {
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000230 REPORTER_ASSERT(reporter, subset.width() == W);
231 REPORTER_ASSERT(reporter, subset.height() == 2);
232 REPORTER_ASSERT(reporter, subset.alphaType() == bitmap.alphaType());
233 REPORTER_ASSERT(reporter, subset.isVolatile() == true);
234
235 // Test copying an extracted subset.
236 for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) {
237 SkBitmap copy;
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000238 bool success = subset.copyTo(&copy, gPairs[j].fColorType);
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000239 if (!success) {
240 // Skip checking that success matches fValid, which is redundant
241 // with the code below.
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000242 REPORTER_ASSERT(reporter, gPairs[i].fColorType != gPairs[j].fColorType);
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000243 continue;
244 }
245
246 // When performing a copy of an extracted subset, the gen id should
247 // change.
248 REPORTER_ASSERT(reporter, copy.getGenerationID() != subset.getGenerationID());
249
250 REPORTER_ASSERT(reporter, copy.width() == W);
251 REPORTER_ASSERT(reporter, copy.height() == 2);
252
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000253 if (gPairs[i].fColorType == gPairs[j].fColorType) {
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000254 SkAutoLockPixels alp0(subset);
255 SkAutoLockPixels alp1(copy);
256 // they should both have, or both not-have, a colortable
257 bool hasCT = subset.getColorTable() != NULL;
258 REPORTER_ASSERT(reporter, (copy.getColorTable() != NULL) == hasCT);
259 }
260 }
261 }
262
263 bitmap = srcPremul;
264 bitmap.setIsVolatile(false);
265 if (bitmap.extractSubset(&subset, r)) {
266 REPORTER_ASSERT(reporter, subset.alphaType() == bitmap.alphaType());
267 REPORTER_ASSERT(reporter, subset.isVolatile() == false);
268 }
269 }
270}
271
272DEF_TEST(BitmapCopy, reporter) {
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000273 static const bool isExtracted[] = {
274 false, true
275 };
276
commit-bot@chromium.org5c6f1d42014-01-10 18:28:23 +0000277 for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000278 SkBitmap srcOpaque, srcPremul;
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000279 setup_src_bitmaps(&srcOpaque, &srcPremul, gPairs[i].fColorType);
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000280
reed@android.com42263962009-05-01 04:00:01 +0000281 for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) {
scroggo@google.com5ccae2c2014-01-15 16:56:52 +0000282 SkBitmap dst;
reed@android.com42263962009-05-01 04:00:01 +0000283
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000284 bool success = srcPremul.copyTo(&dst, gPairs[j].fColorType);
reed@android.com42263962009-05-01 04:00:01 +0000285 bool expected = gPairs[i].fValid[j] != '0';
286 if (success != expected) {
halcanary@google.coma9325fa2014-01-10 14:58:10 +0000287 ERRORF(reporter, "SkBitmap::copyTo from %s to %s. expected %s "
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000288 "returned %s", gColorTypeName[i], gColorTypeName[j],
halcanary@google.coma9325fa2014-01-10 14:58:10 +0000289 boolStr(expected), boolStr(success));
reed@android.com42263962009-05-01 04:00:01 +0000290 }
reed@google.com1fcd51e2011-01-05 15:50:27 +0000291
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000292 bool canSucceed = srcPremul.canCopyTo(gPairs[j].fColorType);
reed@android.comfbaa88d2009-05-06 17:44:34 +0000293 if (success != canSucceed) {
halcanary@google.coma9325fa2014-01-10 14:58:10 +0000294 ERRORF(reporter, "SkBitmap::copyTo from %s to %s. returned %s "
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000295 "canCopyTo %s", gColorTypeName[i], gColorTypeName[j],
halcanary@google.coma9325fa2014-01-10 14:58:10 +0000296 boolStr(success), boolStr(canSucceed));
reed@android.comfbaa88d2009-05-06 17:44:34 +0000297 }
weita@google.comf9ab99a2009-05-03 18:23:30 +0000298
reed@android.com42263962009-05-01 04:00:01 +0000299 if (success) {
reed@google.com0a6151d2013-10-10 14:44:56 +0000300 REPORTER_ASSERT(reporter, srcPremul.width() == dst.width());
301 REPORTER_ASSERT(reporter, srcPremul.height() == dst.height());
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000302 REPORTER_ASSERT(reporter, dst.colorType() == gPairs[j].fColorType);
303 test_isOpaque(reporter, srcOpaque, srcPremul, dst.colorType());
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000304 if (srcPremul.colorType() == dst.colorType()) {
reed@google.com0a6151d2013-10-10 14:44:56 +0000305 SkAutoLockPixels srcLock(srcPremul);
reed@android.com42263962009-05-01 04:00:01 +0000306 SkAutoLockPixels dstLock(dst);
reed@google.com0a6151d2013-10-10 14:44:56 +0000307 REPORTER_ASSERT(reporter, srcPremul.readyToDraw());
reed@android.com42263962009-05-01 04:00:01 +0000308 REPORTER_ASSERT(reporter, dst.readyToDraw());
reed@google.com0a6151d2013-10-10 14:44:56 +0000309 const char* srcP = (const char*)srcPremul.getAddr(0, 0);
reed@android.com42263962009-05-01 04:00:01 +0000310 const char* dstP = (const char*)dst.getAddr(0, 0);
311 REPORTER_ASSERT(reporter, srcP != dstP);
312 REPORTER_ASSERT(reporter, !memcmp(srcP, dstP,
reed@google.com0a6151d2013-10-10 14:44:56 +0000313 srcPremul.getSize()));
314 REPORTER_ASSERT(reporter, srcPremul.getGenerationID() == dst.getGenerationID());
scroggo@google.comd5764e82012-08-22 15:00:05 +0000315 } else {
reed@google.com0a6151d2013-10-10 14:44:56 +0000316 REPORTER_ASSERT(reporter, srcPremul.getGenerationID() != dst.getGenerationID());
reed@android.com42263962009-05-01 04:00:01 +0000317 }
reed@android.com42263962009-05-01 04:00:01 +0000318 } else {
319 // dst should be unchanged from its initial state
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000320 REPORTER_ASSERT(reporter, dst.colorType() == kUnknown_SkColorType);
reed@android.com42263962009-05-01 04:00:01 +0000321 REPORTER_ASSERT(reporter, dst.width() == 0);
322 REPORTER_ASSERT(reporter, dst.height() == 0);
323 }
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000324 } // for (size_t j = ...
325
326 // Tests for getSafeSize(), getSafeSize64(), copyPixelsTo(),
327 // copyPixelsFrom().
328 //
329 for (size_t copyCase = 0; copyCase < SK_ARRAY_COUNT(isExtracted);
330 ++copyCase) {
331 // Test copying to/from external buffer.
332 // Note: the tests below have hard-coded values ---
333 // Please take care if modifying.
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000334
reed@google.com2cb14802013-06-26 14:35:02 +0000335 // Tests for getSafeSize64().
336 // Test with a very large configuration without pixel buffer
337 // attached.
338 SkBitmap tstSafeSize;
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000339 tstSafeSize.setConfig(SkImageInfo::Make(100000000U, 100000000U,
340 gPairs[i].fColorType,
341 kPremul_SkAlphaType));
reed@google.com57212f92013-12-30 14:40:38 +0000342 int64_t safeSize = tstSafeSize.computeSafeSize64();
343 if (safeSize < 0) {
halcanary@google.coma9325fa2014-01-10 14:58:10 +0000344 ERRORF(reporter, "getSafeSize64() negative: %s",
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000345 gColorTypeName[tstSafeSize.colorType()]);
reed@google.com2cb14802013-06-26 14:35:02 +0000346 }
347 bool sizeFail = false;
348 // Compare against hand-computed values.
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000349 switch (gPairs[i].fColorType) {
350 case kUnknown_SkColorType:
reed@google.com2cb14802013-06-26 14:35:02 +0000351 break;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000352
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000353 case kAlpha_8_SkColorType:
354 case kIndex_8_SkColorType:
reed@google.com57212f92013-12-30 14:40:38 +0000355 if (safeSize != 0x2386F26FC10000LL) {
reed@google.com2cb14802013-06-26 14:35:02 +0000356 sizeFail = true;
reed@google.com01c41a52013-12-20 14:24:21 +0000357 }
reed@google.com2cb14802013-06-26 14:35:02 +0000358 break;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000359
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000360 case kRGB_565_SkColorType:
361 case kARGB_4444_SkColorType:
reed@google.com57212f92013-12-30 14:40:38 +0000362 if (safeSize != 0x470DE4DF820000LL) {
reed@google.com2cb14802013-06-26 14:35:02 +0000363 sizeFail = true;
reed@google.com01c41a52013-12-20 14:24:21 +0000364 }
reed@google.com2cb14802013-06-26 14:35:02 +0000365 break;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000366
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000367 case kPMColor_SkColorType:
reed@google.com57212f92013-12-30 14:40:38 +0000368 if (safeSize != 0x8E1BC9BF040000LL) {
reed@google.com2cb14802013-06-26 14:35:02 +0000369 sizeFail = true;
reed@google.com01c41a52013-12-20 14:24:21 +0000370 }
reed@google.com2cb14802013-06-26 14:35:02 +0000371 break;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000372
reed@google.com2cb14802013-06-26 14:35:02 +0000373 default:
374 break;
375 }
376 if (sizeFail) {
halcanary@google.coma9325fa2014-01-10 14:58:10 +0000377 ERRORF(reporter, "computeSafeSize64() wrong size: %s",
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000378 gColorTypeName[tstSafeSize.colorType()]);
reed@google.com2cb14802013-06-26 14:35:02 +0000379 }
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000380
rmistry@google.comd6bab022013-12-02 13:50:38 +0000381 int subW = 2;
382 int subH = 2;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000383
reed@google.com2cb14802013-06-26 14:35:02 +0000384 // Create bitmap to act as source for copies and subsets.
385 SkBitmap src, subset;
386 SkColorTable* ct = NULL;
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000387 if (kIndex_8_SkColorType == src.colorType()) {
reed@google.com0a6151d2013-10-10 14:44:56 +0000388 ct = init_ctable(kPremul_SkAlphaType);
reed@google.com2cb14802013-06-26 14:35:02 +0000389 }
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000390
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000391 if (isExtracted[copyCase]) { // A larger image to extract from.
392 src.allocPixels(SkImageInfo::Make(2 * subW + 1, subH,
393 gPairs[i].fColorType,
394 kPremul_SkAlphaType));
395 } else { // Tests expect a 2x2 bitmap, so make smaller.
396 src.allocPixels(SkImageInfo::Make(subW, subH,
397 gPairs[i].fColorType,
398 kPremul_SkAlphaType));
399 }
reed@google.com2cb14802013-06-26 14:35:02 +0000400 SkSafeUnref(ct);
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000401
reed@google.com2cb14802013-06-26 14:35:02 +0000402 // Either copy src or extract into 'subset', which is used
403 // for subsequent calls to copyPixelsTo/From.
404 bool srcReady = false;
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000405 // Test relies on older behavior that extractSubset will fail on
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000406 // kUnknown_SkColorType
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000407 if (kUnknown_SkColorType != src.colorType() &&
408 isExtracted[copyCase]) {
reed@google.com2cb14802013-06-26 14:35:02 +0000409 // The extractedSubset() test case allows us to test copy-
410 // ing when src and dst mave possibly different strides.
411 SkIRect r;
rmistry@google.comd6bab022013-12-02 13:50:38 +0000412 r.set(1, 0, 1 + subW, subH); // 2x2 extracted bitmap
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000413
reed@google.com2cb14802013-06-26 14:35:02 +0000414 srcReady = src.extractSubset(&subset, r);
415 } else {
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000416 srcReady = src.copyTo(&subset);
reed@google.com2cb14802013-06-26 14:35:02 +0000417 }
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000418
reed@google.com2cb14802013-06-26 14:35:02 +0000419 // Not all configurations will generate a valid 'subset'.
420 if (srcReady) {
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000421
reed@google.com2cb14802013-06-26 14:35:02 +0000422 // Allocate our target buffer 'buf' for all copies.
423 // To simplify verifying correctness of copies attach
424 // buf to a SkBitmap, but copies are done using the
425 // raw buffer pointer.
robertphillips@google.come9cd27d2013-10-16 17:48:11 +0000426 const size_t bufSize = subH *
commit-bot@chromium.org8ef51b92014-03-05 13:43:15 +0000427 SkColorTypeMinRowBytes(src.colorType(), subW) * 2;
reed@google.com2cb14802013-06-26 14:35:02 +0000428 SkAutoMalloc autoBuf (bufSize);
429 uint8_t* buf = static_cast<uint8_t*>(autoBuf.get());
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000430
reed@google.com2cb14802013-06-26 14:35:02 +0000431 SkBitmap bufBm; // Attach buf to this bitmap.
432 bool successExpected;
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000433
reed@google.com2cb14802013-06-26 14:35:02 +0000434 // Set up values for each pixel being copied.
435 Coordinates coords(subW * subH);
robertphillips@google.come9cd27d2013-10-16 17:48:11 +0000436 for (int x = 0; x < subW; ++x)
437 for (int y = 0; y < subH; ++y)
reed@google.com2cb14802013-06-26 14:35:02 +0000438 {
439 int index = y * subW + x;
440 SkASSERT(index < coords.length);
441 coords[index]->fX = x;
442 coords[index]->fY = y;
443 }
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000444
reed@google.com2cb14802013-06-26 14:35:02 +0000445 writeCoordPixels(subset, coords);
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000446
reed@google.com2cb14802013-06-26 14:35:02 +0000447 // Test #1 ////////////////////////////////////////////
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000448
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000449 const SkImageInfo info = SkImageInfo::Make(subW, subH,
450 gPairs[i].fColorType,
451 kPremul_SkAlphaType);
reed@google.com2cb14802013-06-26 14:35:02 +0000452 // Before/after comparisons easier if we attach buf
453 // to an appropriately configured SkBitmap.
454 memset(buf, 0xFF, bufSize);
455 // Config with stride greater than src but that fits in buf.
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000456 bufBm.installPixels(info, buf, info.minRowBytes() * 2);
reed@google.com2cb14802013-06-26 14:35:02 +0000457 successExpected = false;
458 // Then attempt to copy with a stride that is too large
459 // to fit in the buffer.
460 REPORTER_ASSERT(reporter,
461 subset.copyPixelsTo(buf, bufSize, bufBm.rowBytes() * 3)
462 == successExpected);
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000463
reed@google.com2cb14802013-06-26 14:35:02 +0000464 if (successExpected)
465 reportCopyVerification(subset, bufBm, coords,
466 "copyPixelsTo(buf, bufSize, 1.5*maxRowBytes)",
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000467 reporter);
468
reed@google.com2cb14802013-06-26 14:35:02 +0000469 // Test #2 ////////////////////////////////////////////
470 // This test should always succeed, but in the case
471 // of extracted bitmaps only because we handle the
472 // issue of getSafeSize(). Without getSafeSize()
473 // buffer overrun/read would occur.
474 memset(buf, 0xFF, bufSize);
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000475 bufBm.installPixels(info, buf, subset.rowBytes());
reed@google.com2cb14802013-06-26 14:35:02 +0000476 successExpected = subset.getSafeSize() <= bufSize;
477 REPORTER_ASSERT(reporter,
478 subset.copyPixelsTo(buf, bufSize) ==
479 successExpected);
480 if (successExpected)
481 reportCopyVerification(subset, bufBm, coords,
482 "copyPixelsTo(buf, bufSize)", reporter);
483
484 // Test #3 ////////////////////////////////////////////
485 // Copy with different stride between src and dst.
486 memset(buf, 0xFF, bufSize);
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000487 bufBm.installPixels(info, buf, subset.rowBytes()+1);
reed@google.com2cb14802013-06-26 14:35:02 +0000488 successExpected = true; // Should always work.
489 REPORTER_ASSERT(reporter,
490 subset.copyPixelsTo(buf, bufSize,
491 subset.rowBytes()+1) == successExpected);
492 if (successExpected)
493 reportCopyVerification(subset, bufBm, coords,
494 "copyPixelsTo(buf, bufSize, rowBytes+1)", reporter);
495
496 // Test #4 ////////////////////////////////////////////
497 // Test copy with stride too small.
498 memset(buf, 0xFF, bufSize);
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000499 bufBm.installPixels(info, buf, info.minRowBytes());
reed@google.com2cb14802013-06-26 14:35:02 +0000500 successExpected = false;
501 // Request copy with stride too small.
502 REPORTER_ASSERT(reporter,
503 subset.copyPixelsTo(buf, bufSize, bufBm.rowBytes()-1)
504 == successExpected);
505 if (successExpected)
506 reportCopyVerification(subset, bufBm, coords,
507 "copyPixelsTo(buf, bufSize, rowBytes()-1)", reporter);
508
509#if 0 // copyPixelsFrom is gone
510 // Test #5 ////////////////////////////////////////////
511 // Tests the case where the source stride is too small
512 // for the source configuration.
513 memset(buf, 0xFF, bufSize);
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000514 bufBm.installPixels(info, buf, info.minRowBytes());
reed@google.com2cb14802013-06-26 14:35:02 +0000515 writeCoordPixels(bufBm, coords);
516 REPORTER_ASSERT(reporter,
517 subset.copyPixelsFrom(buf, bufSize, 1) == false);
518
519 // Test #6 ///////////////////////////////////////////
520 // Tests basic copy from an external buffer to the bitmap.
521 // If the bitmap is "extracted", this also tests the case
522 // where the source stride is different from the dest.
523 // stride.
524 // We've made the buffer large enough to always succeed.
commit-bot@chromium.org8a2ad3c2014-02-23 03:59:35 +0000525 bufBm.installPixels(info, buf, info.minRowBytes());
reed@google.com2cb14802013-06-26 14:35:02 +0000526 writeCoordPixels(bufBm, coords);
527 REPORTER_ASSERT(reporter,
528 subset.copyPixelsFrom(buf, bufSize, bufBm.rowBytes()) ==
529 true);
530 reportCopyVerification(bufBm, subset, coords,
531 "copyPixelsFrom(buf, bufSize)",
532 reporter);
533
534 // Test #7 ////////////////////////////////////////////
535 // Tests the case where the source buffer is too small
536 // for the transfer.
537 REPORTER_ASSERT(reporter,
538 subset.copyPixelsFrom(buf, 1, subset.rowBytes()) ==
539 false);
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000540
reed@google.comab77aaf2011-11-01 16:03:35 +0000541#endif
wjmaclean@chromium.org86bff1f2010-11-16 20:22:41 +0000542 }
543 } // for (size_t copyCase ...
reed@android.com42263962009-05-01 04:00:01 +0000544 }
545}