halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 | */ |
| 7 | |
| 8 | #include "Resources.h" |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 9 | #include "SkAndroidCodec.h" |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 10 | #include "SkBitmap.h" |
| 11 | #include "SkCodec.h" |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 12 | #include "SkData.h" |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 13 | #include "SkMD5.h" |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 14 | #include "SkRandom.h" |
scroggo | cf98fa9 | 2015-11-23 08:14:40 -0800 | [diff] [blame^] | 15 | #include "SkStream.h" |
| 16 | #include "SkPngChunkReader.h" |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 17 | #include "Test.h" |
| 18 | |
scroggo | cf98fa9 | 2015-11-23 08:14:40 -0800 | [diff] [blame^] | 19 | #include "png.h" |
| 20 | |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 21 | static SkStreamAsset* resource(const char path[]) { |
| 22 | SkString fullPath = GetResourcePath(path); |
| 23 | return SkStream::NewFromFile(fullPath.c_str()); |
| 24 | } |
| 25 | |
| 26 | static void md5(const SkBitmap& bm, SkMD5::Digest* digest) { |
| 27 | SkAutoLockPixels autoLockPixels(bm); |
| 28 | SkASSERT(bm.getPixels()); |
| 29 | SkMD5 md5; |
| 30 | size_t rowLen = bm.info().bytesPerPixel() * bm.width(); |
| 31 | for (int y = 0; y < bm.height(); ++y) { |
| 32 | md5.update(static_cast<uint8_t*>(bm.getAddr(0, y)), rowLen); |
| 33 | } |
| 34 | md5.finish(*digest); |
| 35 | } |
| 36 | |
scroggo | 9b2cdbf | 2015-07-10 12:07:02 -0700 | [diff] [blame] | 37 | /** |
| 38 | * Compute the digest for bm and compare it to a known good digest. |
| 39 | * @param r Reporter to assert that bm's digest matches goodDigest. |
| 40 | * @param goodDigest The known good digest to compare to. |
| 41 | * @param bm The bitmap to test. |
| 42 | */ |
| 43 | static void compare_to_good_digest(skiatest::Reporter* r, const SkMD5::Digest& goodDigest, |
| 44 | const SkBitmap& bm) { |
| 45 | SkMD5::Digest digest; |
| 46 | md5(bm, &digest); |
| 47 | REPORTER_ASSERT(r, digest == goodDigest); |
| 48 | } |
| 49 | |
scroggo | d1bc574 | 2015-08-12 08:31:44 -0700 | [diff] [blame] | 50 | /** |
| 51 | * Test decoding an SkCodec to a particular SkImageInfo. |
| 52 | * |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 53 | * Calling getPixels(info) should return expectedResult, and if goodDigest is non nullptr, |
scroggo | d1bc574 | 2015-08-12 08:31:44 -0700 | [diff] [blame] | 54 | * the resulting decode should match. |
| 55 | */ |
| 56 | static void test_info(skiatest::Reporter* r, SkCodec* codec, const SkImageInfo& info, |
| 57 | SkCodec::Result expectedResult, const SkMD5::Digest* goodDigest) { |
| 58 | SkBitmap bm; |
| 59 | bm.allocPixels(info); |
| 60 | SkAutoLockPixels autoLockPixels(bm); |
| 61 | |
| 62 | SkCodec::Result result = codec->getPixels(info, bm.getPixels(), bm.rowBytes()); |
| 63 | REPORTER_ASSERT(r, result == expectedResult); |
| 64 | |
| 65 | if (goodDigest) { |
| 66 | compare_to_good_digest(r, *goodDigest, bm); |
| 67 | } |
| 68 | } |
| 69 | |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 70 | static void test_android_info(skiatest::Reporter* r, SkAndroidCodec* codec, const SkImageInfo& info, |
| 71 | SkCodec::Result expectedResult, const SkMD5::Digest* goodDigest) { |
| 72 | SkBitmap bm; |
| 73 | bm.allocPixels(info); |
| 74 | SkAutoLockPixels autoLockPixels(bm); |
| 75 | |
| 76 | SkCodec::Result result = codec->getAndroidPixels(info, bm.getPixels(), bm.rowBytes()); |
| 77 | REPORTER_ASSERT(r, result == expectedResult); |
| 78 | |
| 79 | if (goodDigest) { |
| 80 | compare_to_good_digest(r, *goodDigest, bm); |
| 81 | } |
| 82 | } |
| 83 | |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 84 | SkIRect generate_random_subset(SkRandom* rand, int w, int h) { |
| 85 | SkIRect rect; |
| 86 | do { |
| 87 | rect.fLeft = rand->nextRangeU(0, w); |
| 88 | rect.fTop = rand->nextRangeU(0, h); |
| 89 | rect.fRight = rand->nextRangeU(0, w); |
| 90 | rect.fBottom = rand->nextRangeU(0, h); |
| 91 | rect.sort(); |
| 92 | } while (rect.isEmpty()); |
| 93 | return rect; |
| 94 | } |
| 95 | |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 96 | static void test_codec(skiatest::Reporter* r, SkCodec* codec, SkBitmap& bm, const SkImageInfo& info, |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 97 | const SkISize& size, SkCodec::Result expectedResult, SkMD5::Digest* digest, |
| 98 | const SkMD5::Digest* goodDigest) { |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 99 | |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 100 | REPORTER_ASSERT(r, info.dimensions() == size); |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 101 | bm.allocPixels(info); |
| 102 | SkAutoLockPixels autoLockPixels(bm); |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 103 | |
| 104 | SkCodec::Result result = codec->getPixels(info, bm.getPixels(), bm.rowBytes()); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 105 | REPORTER_ASSERT(r, result == expectedResult); |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 106 | |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 107 | md5(bm, digest); |
| 108 | if (goodDigest) { |
| 109 | REPORTER_ASSERT(r, *digest == *goodDigest); |
| 110 | } |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 111 | |
msarett | 8ff6ca6 | 2015-09-18 12:06:04 -0700 | [diff] [blame] | 112 | { |
| 113 | // Test decoding to 565 |
| 114 | SkImageInfo info565 = info.makeColorType(kRGB_565_SkColorType); |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 115 | SkCodec::Result expected565 = info.alphaType() == kOpaque_SkAlphaType ? |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 116 | expectedResult : SkCodec::kInvalidConversion; |
| 117 | test_info(r, codec, info565, expected565, nullptr); |
msarett | 8ff6ca6 | 2015-09-18 12:06:04 -0700 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | // Verify that re-decoding gives the same result. It is interesting to check this after |
| 121 | // a decode to 565, since choosing to decode to 565 may result in some of the decode |
| 122 | // options being modified. These options should return to their defaults on another |
| 123 | // decode to kN32, so the new digest should match the old digest. |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 124 | test_info(r, codec, info, expectedResult, digest); |
scroggo | d1bc574 | 2015-08-12 08:31:44 -0700 | [diff] [blame] | 125 | |
| 126 | { |
| 127 | // Check alpha type conversions |
| 128 | if (info.alphaType() == kOpaque_SkAlphaType) { |
| 129 | test_info(r, codec, info.makeAlphaType(kUnpremul_SkAlphaType), |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 130 | SkCodec::kInvalidConversion, nullptr); |
scroggo | d1bc574 | 2015-08-12 08:31:44 -0700 | [diff] [blame] | 131 | test_info(r, codec, info.makeAlphaType(kPremul_SkAlphaType), |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 132 | SkCodec::kInvalidConversion, nullptr); |
scroggo | d1bc574 | 2015-08-12 08:31:44 -0700 | [diff] [blame] | 133 | } else { |
| 134 | // Decoding to opaque should fail |
| 135 | test_info(r, codec, info.makeAlphaType(kOpaque_SkAlphaType), |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 136 | SkCodec::kInvalidConversion, nullptr); |
scroggo | d1bc574 | 2015-08-12 08:31:44 -0700 | [diff] [blame] | 137 | SkAlphaType otherAt = info.alphaType(); |
| 138 | if (kPremul_SkAlphaType == otherAt) { |
| 139 | otherAt = kUnpremul_SkAlphaType; |
| 140 | } else { |
| 141 | otherAt = kPremul_SkAlphaType; |
| 142 | } |
| 143 | // The other non-opaque alpha type should always succeed, but not match. |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 144 | test_info(r, codec, info.makeAlphaType(otherAt), expectedResult, nullptr); |
scroggo | d1bc574 | 2015-08-12 08:31:44 -0700 | [diff] [blame] | 145 | } |
| 146 | } |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 147 | } |
| 148 | |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 149 | static void test_android_codec(skiatest::Reporter* r, SkAndroidCodec* codec, SkBitmap& bm, |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 150 | const SkImageInfo& info, const SkISize& size, SkCodec::Result expectedResult, |
| 151 | SkMD5::Digest* digest, const SkMD5::Digest* goodDigest) { |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 152 | |
| 153 | REPORTER_ASSERT(r, info.dimensions() == size); |
| 154 | bm.allocPixels(info); |
| 155 | SkAutoLockPixels autoLockPixels(bm); |
| 156 | |
| 157 | SkCodec::Result result = codec->getAndroidPixels(info, bm.getPixels(), bm.rowBytes()); |
| 158 | REPORTER_ASSERT(r, result == expectedResult); |
| 159 | |
| 160 | md5(bm, digest); |
| 161 | if (goodDigest) { |
| 162 | REPORTER_ASSERT(r, *digest == *goodDigest); |
| 163 | } |
| 164 | |
| 165 | { |
| 166 | // Test decoding to 565 |
| 167 | SkImageInfo info565 = info.makeColorType(kRGB_565_SkColorType); |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 168 | SkCodec::Result expected565 = info.alphaType() == kOpaque_SkAlphaType ? |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 169 | expectedResult : SkCodec::kInvalidConversion; |
| 170 | test_android_info(r, codec, info565, expected565, nullptr); |
| 171 | } |
| 172 | |
| 173 | // Verify that re-decoding gives the same result. It is interesting to check this after |
| 174 | // a decode to 565, since choosing to decode to 565 may result in some of the decode |
| 175 | // options being modified. These options should return to their defaults on another |
| 176 | // decode to kN32, so the new digest should match the old digest. |
| 177 | test_android_info(r, codec, info, expectedResult, digest); |
| 178 | |
| 179 | { |
| 180 | // Check alpha type conversions |
| 181 | if (info.alphaType() == kOpaque_SkAlphaType) { |
| 182 | test_android_info(r, codec, info.makeAlphaType(kUnpremul_SkAlphaType), |
| 183 | SkCodec::kInvalidConversion, nullptr); |
| 184 | test_android_info(r, codec, info.makeAlphaType(kPremul_SkAlphaType), |
| 185 | SkCodec::kInvalidConversion, nullptr); |
| 186 | } else { |
| 187 | // Decoding to opaque should fail |
| 188 | test_android_info(r, codec, info.makeAlphaType(kOpaque_SkAlphaType), |
| 189 | SkCodec::kInvalidConversion, nullptr); |
| 190 | SkAlphaType otherAt = info.alphaType(); |
| 191 | if (kPremul_SkAlphaType == otherAt) { |
| 192 | otherAt = kUnpremul_SkAlphaType; |
| 193 | } else { |
| 194 | otherAt = kPremul_SkAlphaType; |
| 195 | } |
| 196 | // The other non-opaque alpha type should always succeed, but not match. |
| 197 | test_android_info(r, codec, info.makeAlphaType(otherAt), expectedResult, nullptr); |
| 198 | } |
| 199 | } |
| 200 | } |
| 201 | |
scroggo | 2c3b218 | 2015-10-09 08:40:59 -0700 | [diff] [blame] | 202 | // FIXME: SkScaledCodec is currently only supported for types used by BRD |
halcanary | 6950de6 | 2015-11-07 05:29:00 -0800 | [diff] [blame] | 203 | // https://bug.skia.org/4428 |
scroggo | 2c3b218 | 2015-10-09 08:40:59 -0700 | [diff] [blame] | 204 | static bool supports_scaled_codec(const char path[]) { |
| 205 | static const char* const exts[] = { |
| 206 | "jpg", "jpeg", "png", "webp" |
| 207 | "JPG", "JPEG", "PNG", "WEBP" |
| 208 | }; |
| 209 | |
| 210 | for (uint32_t i = 0; i < SK_ARRAY_COUNT(exts); i++) { |
| 211 | if (SkStrEndsWith(path, exts[i])) { |
| 212 | return true; |
| 213 | } |
| 214 | } |
| 215 | return false; |
| 216 | } |
| 217 | |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 218 | static void check(skiatest::Reporter* r, |
| 219 | const char path[], |
| 220 | SkISize size, |
| 221 | bool supportsScanlineDecoding, |
| 222 | bool supportsSubsetDecoding, |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 223 | bool supportsIncomplete = true) { |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 224 | |
| 225 | SkAutoTDelete<SkStream> stream(resource(path)); |
| 226 | if (!stream) { |
| 227 | SkDebugf("Missing resource '%s'\n", path); |
| 228 | return; |
| 229 | } |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 230 | |
| 231 | SkAutoTDelete<SkCodec> codec(nullptr); |
| 232 | bool isIncomplete = supportsIncomplete; |
| 233 | if (isIncomplete) { |
| 234 | size_t size = stream->getLength(); |
| 235 | SkAutoTUnref<SkData> data((SkData::NewFromStream(stream, 2 * size / 3))); |
| 236 | codec.reset(SkCodec::NewFromData(data)); |
| 237 | } else { |
| 238 | codec.reset(SkCodec::NewFromStream(stream.detach())); |
| 239 | } |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 240 | if (!codec) { |
| 241 | ERRORF(r, "Unable to decode '%s'", path); |
| 242 | return; |
| 243 | } |
| 244 | |
| 245 | // Test full image decodes with SkCodec |
| 246 | SkMD5::Digest codecDigest; |
| 247 | SkImageInfo info = codec->getInfo().makeColorType(kN32_SkColorType); |
| 248 | SkBitmap bm; |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 249 | SkCodec::Result expectedResult = isIncomplete ? SkCodec::kIncompleteInput : SkCodec::kSuccess; |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 250 | test_codec(r, codec, bm, info, size, expectedResult, &codecDigest, nullptr); |
scroggo | d1bc574 | 2015-08-12 08:31:44 -0700 | [diff] [blame] | 251 | |
| 252 | // Scanline decoding follows. |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 253 | // Need to call startScanlineDecode() first. |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 254 | REPORTER_ASSERT(r, codec->getScanlines(bm.getAddr(0, 0), 1, 0) |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 255 | == 0); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 256 | REPORTER_ASSERT(r, codec->skipScanlines(1) |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 257 | == 0); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 258 | |
| 259 | const SkCodec::Result startResult = codec->startScanlineDecode(info); |
scroggo | 5842154 | 2015-04-01 11:25:20 -0700 | [diff] [blame] | 260 | if (supportsScanlineDecoding) { |
| 261 | bm.eraseColor(SK_ColorYELLOW); |
msarett | c0e80c1 | 2015-07-01 06:50:35 -0700 | [diff] [blame] | 262 | |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 263 | REPORTER_ASSERT(r, startResult == SkCodec::kSuccess); |
scroggo | 9b2cdbf | 2015-07-10 12:07:02 -0700 | [diff] [blame] | 264 | |
scroggo | 5842154 | 2015-04-01 11:25:20 -0700 | [diff] [blame] | 265 | for (int y = 0; y < info.height(); y++) { |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 266 | const int lines = codec->getScanlines(bm.getAddr(0, y), 1, 0); |
| 267 | if (!isIncomplete) { |
| 268 | REPORTER_ASSERT(r, 1 == lines); |
| 269 | } |
scroggo | 5842154 | 2015-04-01 11:25:20 -0700 | [diff] [blame] | 270 | } |
| 271 | // verify that scanline decoding gives the same result. |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 272 | if (SkCodec::kTopDown_SkScanlineOrder == codec->getScanlineOrder()) { |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 273 | compare_to_good_digest(r, codecDigest, bm); |
msarett | 5406d6f | 2015-08-31 06:55:13 -0700 | [diff] [blame] | 274 | } |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 275 | |
| 276 | // Cannot continue to decode scanlines beyond the end |
| 277 | REPORTER_ASSERT(r, codec->getScanlines(bm.getAddr(0, 0), 1, 0) |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 278 | == 0); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 279 | |
| 280 | // Interrupting a scanline decode with a full decode starts from |
| 281 | // scratch |
| 282 | REPORTER_ASSERT(r, codec->startScanlineDecode(info) == SkCodec::kSuccess); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 283 | const int lines = codec->getScanlines(bm.getAddr(0, 0), 1, 0); |
| 284 | if (!isIncomplete) { |
| 285 | REPORTER_ASSERT(r, lines == 1); |
| 286 | } |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 287 | REPORTER_ASSERT(r, codec->getPixels(bm.info(), bm.getPixels(), bm.rowBytes()) |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 288 | == expectedResult); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 289 | REPORTER_ASSERT(r, codec->getScanlines(bm.getAddr(0, 0), 1, 0) |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 290 | == 0); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 291 | REPORTER_ASSERT(r, codec->skipScanlines(1) |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 292 | == 0); |
msarett | 80803ff | 2015-10-16 10:54:12 -0700 | [diff] [blame] | 293 | |
| 294 | // Test partial scanline decodes |
| 295 | if (supports_scaled_codec(path) && info.width() >= 3) { |
| 296 | SkCodec::Options options; |
| 297 | int width = info.width(); |
| 298 | int height = info.height(); |
| 299 | SkIRect subset = SkIRect::MakeXYWH(2 * (width / 3), 0, width / 3, height); |
| 300 | options.fSubset = ⊂ |
| 301 | |
| 302 | const SkCodec::Result partialStartResult = codec->startScanlineDecode(info, &options, |
| 303 | nullptr, nullptr); |
| 304 | REPORTER_ASSERT(r, partialStartResult == SkCodec::kSuccess); |
| 305 | |
| 306 | for (int y = 0; y < height; y++) { |
| 307 | const int lines = codec->getScanlines(bm.getAddr(0, y), 1, 0); |
| 308 | if (!isIncomplete) { |
| 309 | REPORTER_ASSERT(r, 1 == lines); |
| 310 | } |
| 311 | } |
| 312 | } |
scroggo | 5842154 | 2015-04-01 11:25:20 -0700 | [diff] [blame] | 313 | } else { |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 314 | REPORTER_ASSERT(r, startResult == SkCodec::kUnimplemented); |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 315 | } |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 316 | |
| 317 | // The rest of this function tests decoding subsets, and will decode an arbitrary number of |
| 318 | // random subsets. |
| 319 | // Do not attempt to decode subsets of an image of only once pixel, since there is no |
| 320 | // meaningful subset. |
| 321 | if (size.width() * size.height() == 1) { |
| 322 | return; |
| 323 | } |
| 324 | |
| 325 | SkRandom rand; |
| 326 | SkIRect subset; |
| 327 | SkCodec::Options opts; |
| 328 | opts.fSubset = ⊂ |
| 329 | for (int i = 0; i < 5; i++) { |
| 330 | subset = generate_random_subset(&rand, size.width(), size.height()); |
| 331 | SkASSERT(!subset.isEmpty()); |
| 332 | const bool supported = codec->getValidSubset(&subset); |
| 333 | REPORTER_ASSERT(r, supported == supportsSubsetDecoding); |
| 334 | |
| 335 | SkImageInfo subsetInfo = info.makeWH(subset.width(), subset.height()); |
| 336 | SkBitmap bm; |
| 337 | bm.allocPixels(subsetInfo); |
| 338 | const SkCodec::Result result = codec->getPixels(bm.info(), bm.getPixels(), bm.rowBytes(), |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 339 | &opts, nullptr, nullptr); |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 340 | |
| 341 | if (supportsSubsetDecoding) { |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 342 | REPORTER_ASSERT(r, result == expectedResult); |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 343 | // Webp is the only codec that supports subsets, and it will have modified the subset |
| 344 | // to have even left/top. |
| 345 | REPORTER_ASSERT(r, SkIsAlign2(subset.fLeft) && SkIsAlign2(subset.fTop)); |
| 346 | } else { |
| 347 | // No subsets will work. |
| 348 | REPORTER_ASSERT(r, result == SkCodec::kUnimplemented); |
| 349 | } |
| 350 | } |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 351 | |
| 352 | // SkScaledCodec tests |
scroggo | 2c3b218 | 2015-10-09 08:40:59 -0700 | [diff] [blame] | 353 | if ((supportsScanlineDecoding || supportsSubsetDecoding) && supports_scaled_codec(path)) { |
| 354 | |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 355 | SkAutoTDelete<SkStream> stream(resource(path)); |
| 356 | if (!stream) { |
| 357 | SkDebugf("Missing resource '%s'\n", path); |
| 358 | return; |
| 359 | } |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 360 | |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 361 | SkAutoTDelete<SkAndroidCodec> codec(nullptr); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 362 | if (isIncomplete) { |
| 363 | size_t size = stream->getLength(); |
| 364 | SkAutoTUnref<SkData> data((SkData::NewFromStream(stream, 2 * size / 3))); |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 365 | codec.reset(SkAndroidCodec::NewFromData(data)); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 366 | } else { |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 367 | codec.reset(SkAndroidCodec::NewFromStream(stream.detach())); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 368 | } |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 369 | if (!codec) { |
| 370 | ERRORF(r, "Unable to decode '%s'", path); |
| 371 | return; |
| 372 | } |
| 373 | |
| 374 | SkBitmap bm; |
| 375 | SkMD5::Digest scaledCodecDigest; |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 376 | test_android_codec(r, codec, bm, info, size, expectedResult, |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 377 | &scaledCodecDigest, &codecDigest); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | // If we've just tested incomplete decodes, let's run the same test again on full decodes. |
| 381 | if (isIncomplete) { |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 382 | check(r, path, size, supportsScanlineDecoding, supportsSubsetDecoding, false); |
msarett | cc7f305 | 2015-10-05 14:20:27 -0700 | [diff] [blame] | 383 | } |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | DEF_TEST(Codec, r) { |
| 387 | // WBMP |
msarett | 99f567e | 2015-08-05 12:58:26 -0700 | [diff] [blame] | 388 | check(r, "mandrill.wbmp", SkISize::Make(512, 512), true, false); |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 389 | |
scroggo | 6f5e619 | 2015-06-18 12:53:43 -0700 | [diff] [blame] | 390 | // WEBP |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 391 | check(r, "baby_tux.webp", SkISize::Make(386, 395), false, true); |
| 392 | check(r, "color_wheel.webp", SkISize::Make(128, 128), false, true); |
| 393 | check(r, "yellow_rose.webp", SkISize::Make(400, 301), false, true); |
scroggo | 6f5e619 | 2015-06-18 12:53:43 -0700 | [diff] [blame] | 394 | |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 395 | // BMP |
msarett | 5406d6f | 2015-08-31 06:55:13 -0700 | [diff] [blame] | 396 | check(r, "randPixels.bmp", SkISize::Make(8, 8), true, false); |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 397 | |
| 398 | // ICO |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 399 | // FIXME: We are not ready to test incomplete ICOs |
msarett | 68b204e | 2015-04-01 12:09:21 -0700 | [diff] [blame] | 400 | // These two tests examine interestingly different behavior: |
| 401 | // Decodes an embedded BMP image |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 402 | check(r, "color_wheel.ico", SkISize::Make(128, 128), false, false, false); |
msarett | 68b204e | 2015-04-01 12:09:21 -0700 | [diff] [blame] | 403 | // Decodes an embedded PNG image |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 404 | check(r, "google_chrome.ico", SkISize::Make(256, 256), false, false, false); |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 405 | |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 406 | // GIF |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 407 | // FIXME: We are not ready to test incomplete GIFs |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 408 | check(r, "box.gif", SkISize::Make(200, 55), true, false, false); |
| 409 | check(r, "color_wheel.gif", SkISize::Make(128, 128), true, false, false); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 410 | // randPixels.gif is too small to test incomplete |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 411 | check(r, "randPixels.gif", SkISize::Make(8, 8), true, false, false); |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 412 | |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 413 | // JPG |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 414 | check(r, "CMYK.jpg", SkISize::Make(642, 516), true, false); |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 415 | check(r, "color_wheel.jpg", SkISize::Make(128, 128), true, false); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 416 | // grayscale.jpg is too small to test incomplete |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 417 | check(r, "grayscale.jpg", SkISize::Make(128, 128), true, false, false); |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 418 | check(r, "mandrill_512_q075.jpg", SkISize::Make(512, 512), true, false); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 419 | // randPixels.jpg is too small to test incomplete |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 420 | check(r, "randPixels.jpg", SkISize::Make(8, 8), true, false, false); |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 421 | |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 422 | // PNG |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 423 | check(r, "arrow.png", SkISize::Make(187, 312), true, false, false); |
| 424 | check(r, "baby_tux.png", SkISize::Make(240, 246), true, false, false); |
| 425 | check(r, "color_wheel.png", SkISize::Make(128, 128), true, false, false); |
| 426 | check(r, "half-transparent-white-pixel.png", SkISize::Make(1, 1), true, false, false); |
| 427 | check(r, "mandrill_128.png", SkISize::Make(128, 128), true, false, false); |
| 428 | check(r, "mandrill_16.png", SkISize::Make(16, 16), true, false, false); |
| 429 | check(r, "mandrill_256.png", SkISize::Make(256, 256), true, false, false); |
| 430 | check(r, "mandrill_32.png", SkISize::Make(32, 32), true, false, false); |
| 431 | check(r, "mandrill_512.png", SkISize::Make(512, 512), true, false, false); |
| 432 | check(r, "mandrill_64.png", SkISize::Make(64, 64), true, false, false); |
| 433 | check(r, "plane.png", SkISize::Make(250, 126), true, false, false); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 434 | // FIXME: We are not ready to test incomplete interlaced pngs |
scroggo | 27c1728 | 2015-10-27 08:14:46 -0700 | [diff] [blame] | 435 | check(r, "plane_interlaced.png", SkISize::Make(250, 126), true, false, false); |
| 436 | check(r, "randPixels.png", SkISize::Make(8, 8), true, false, false); |
| 437 | check(r, "yellow_rose.png", SkISize::Make(400, 301), true, false, false); |
halcanary | a096d7a | 2015-03-27 12:16:53 -0700 | [diff] [blame] | 438 | } |
scroggo | 0a7e69c | 2015-04-03 07:22:22 -0700 | [diff] [blame] | 439 | |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 440 | // Test interlaced PNG in stripes, similar to DM's kStripe_Mode |
| 441 | DEF_TEST(Codec_stripes, r) { |
| 442 | const char * path = "plane_interlaced.png"; |
| 443 | SkAutoTDelete<SkStream> stream(resource(path)); |
| 444 | if (!stream) { |
| 445 | SkDebugf("Missing resource '%s'\n", path); |
| 446 | } |
| 447 | |
| 448 | SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.detach())); |
| 449 | REPORTER_ASSERT(r, codec); |
| 450 | |
| 451 | if (!codec) { |
| 452 | return; |
| 453 | } |
| 454 | |
| 455 | switch (codec->getScanlineOrder()) { |
| 456 | case SkCodec::kBottomUp_SkScanlineOrder: |
| 457 | case SkCodec::kOutOfOrder_SkScanlineOrder: |
| 458 | ERRORF(r, "This scanline order will not match the original."); |
| 459 | return; |
| 460 | default: |
| 461 | break; |
| 462 | } |
| 463 | |
| 464 | // Baseline for what the image should look like, using N32. |
| 465 | const SkImageInfo info = codec->getInfo().makeColorType(kN32_SkColorType); |
| 466 | |
| 467 | SkBitmap bm; |
| 468 | bm.allocPixels(info); |
| 469 | SkAutoLockPixels autoLockPixels(bm); |
| 470 | SkCodec::Result result = codec->getPixels(info, bm.getPixels(), bm.rowBytes()); |
| 471 | REPORTER_ASSERT(r, result == SkCodec::kSuccess); |
| 472 | |
| 473 | SkMD5::Digest digest; |
| 474 | md5(bm, &digest); |
| 475 | |
| 476 | // Now decode in stripes |
| 477 | const int height = info.height(); |
| 478 | const int numStripes = 4; |
| 479 | int stripeHeight; |
| 480 | int remainingLines; |
| 481 | SkTDivMod(height, numStripes, &stripeHeight, &remainingLines); |
| 482 | |
| 483 | bm.eraseColor(SK_ColorYELLOW); |
| 484 | |
| 485 | result = codec->startScanlineDecode(info); |
| 486 | REPORTER_ASSERT(r, result == SkCodec::kSuccess); |
| 487 | |
| 488 | // Odd stripes |
| 489 | for (int i = 1; i < numStripes; i += 2) { |
| 490 | // Skip the even stripes |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 491 | bool skipResult = codec->skipScanlines(stripeHeight); |
| 492 | REPORTER_ASSERT(r, skipResult); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 493 | |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 494 | int linesDecoded = codec->getScanlines(bm.getAddr(0, i * stripeHeight), stripeHeight, |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 495 | bm.rowBytes()); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 496 | REPORTER_ASSERT(r, linesDecoded == stripeHeight); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | // Even stripes |
| 500 | result = codec->startScanlineDecode(info); |
| 501 | REPORTER_ASSERT(r, result == SkCodec::kSuccess); |
| 502 | |
| 503 | for (int i = 0; i < numStripes; i += 2) { |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 504 | int linesDecoded = codec->getScanlines(bm.getAddr(0, i * stripeHeight), stripeHeight, |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 505 | bm.rowBytes()); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 506 | REPORTER_ASSERT(r, linesDecoded == stripeHeight); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 507 | |
| 508 | // Skip the odd stripes |
| 509 | if (i + 1 < numStripes) { |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 510 | bool skipResult = codec->skipScanlines(stripeHeight); |
| 511 | REPORTER_ASSERT(r, skipResult); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 512 | } |
| 513 | } |
| 514 | |
| 515 | // Remainder at the end |
| 516 | if (remainingLines > 0) { |
| 517 | result = codec->startScanlineDecode(info); |
| 518 | REPORTER_ASSERT(r, result == SkCodec::kSuccess); |
| 519 | |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 520 | bool skipResult = codec->skipScanlines(height - remainingLines); |
| 521 | REPORTER_ASSERT(r, skipResult); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 522 | |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 523 | int linesDecoded = codec->getScanlines(bm.getAddr(0, height - remainingLines), |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 524 | remainingLines, bm.rowBytes()); |
msarett | e6dd004 | 2015-10-09 11:07:34 -0700 | [diff] [blame] | 525 | REPORTER_ASSERT(r, linesDecoded == remainingLines); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 526 | } |
| 527 | |
| 528 | compare_to_good_digest(r, digest, bm); |
| 529 | } |
| 530 | |
scroggo | 0a7e69c | 2015-04-03 07:22:22 -0700 | [diff] [blame] | 531 | static void test_invalid_stream(skiatest::Reporter* r, const void* stream, size_t len) { |
scroggo | 2c3b218 | 2015-10-09 08:40:59 -0700 | [diff] [blame] | 532 | // Neither of these calls should return a codec. Bots should catch us if we leaked anything. |
scroggo | 0a7e69c | 2015-04-03 07:22:22 -0700 | [diff] [blame] | 533 | SkCodec* codec = SkCodec::NewFromStream(new SkMemoryStream(stream, len, false)); |
scroggo | 2c3b218 | 2015-10-09 08:40:59 -0700 | [diff] [blame] | 534 | REPORTER_ASSERT(r, !codec); |
| 535 | |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 536 | SkAndroidCodec* androidCodec = |
| 537 | SkAndroidCodec::NewFromStream(new SkMemoryStream(stream, len, false)); |
| 538 | REPORTER_ASSERT(r, !androidCodec); |
scroggo | 0a7e69c | 2015-04-03 07:22:22 -0700 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | // Ensure that SkCodec::NewFromStream handles freeing the passed in SkStream, |
| 542 | // even on failure. Test some bad streams. |
| 543 | DEF_TEST(Codec_leaks, r) { |
| 544 | // No codec should claim this as their format, so this tests SkCodec::NewFromStream. |
| 545 | const char nonSupportedStream[] = "hello world"; |
| 546 | // The other strings should look like the beginning of a file type, so we'll call some |
| 547 | // internal version of NewFromStream, which must also delete the stream on failure. |
| 548 | const unsigned char emptyPng[] = { 0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a }; |
| 549 | const unsigned char emptyJpeg[] = { 0xFF, 0xD8, 0xFF }; |
| 550 | const char emptyWebp[] = "RIFF1234WEBPVP"; |
| 551 | const char emptyBmp[] = { 'B', 'M' }; |
| 552 | const char emptyIco[] = { '\x00', '\x00', '\x01', '\x00' }; |
| 553 | const char emptyGif[] = "GIFVER"; |
| 554 | |
| 555 | test_invalid_stream(r, nonSupportedStream, sizeof(nonSupportedStream)); |
| 556 | test_invalid_stream(r, emptyPng, sizeof(emptyPng)); |
| 557 | test_invalid_stream(r, emptyJpeg, sizeof(emptyJpeg)); |
| 558 | test_invalid_stream(r, emptyWebp, sizeof(emptyWebp)); |
| 559 | test_invalid_stream(r, emptyBmp, sizeof(emptyBmp)); |
| 560 | test_invalid_stream(r, emptyIco, sizeof(emptyIco)); |
| 561 | test_invalid_stream(r, emptyGif, sizeof(emptyGif)); |
| 562 | } |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 563 | |
scroggo | 2c3b218 | 2015-10-09 08:40:59 -0700 | [diff] [blame] | 564 | DEF_TEST(Codec_null, r) { |
| 565 | // Attempting to create an SkCodec or an SkScaledCodec with null should not |
| 566 | // crash. |
| 567 | SkCodec* codec = SkCodec::NewFromStream(nullptr); |
| 568 | REPORTER_ASSERT(r, !codec); |
| 569 | |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 570 | SkAndroidCodec* androidCodec = SkAndroidCodec::NewFromStream(nullptr); |
| 571 | REPORTER_ASSERT(r, !androidCodec); |
scroggo | 2c3b218 | 2015-10-09 08:40:59 -0700 | [diff] [blame] | 572 | } |
| 573 | |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 574 | static void test_dimensions(skiatest::Reporter* r, const char path[]) { |
| 575 | // Create the codec from the resource file |
| 576 | SkAutoTDelete<SkStream> stream(resource(path)); |
| 577 | if (!stream) { |
| 578 | SkDebugf("Missing resource '%s'\n", path); |
| 579 | return; |
| 580 | } |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 581 | SkAutoTDelete<SkAndroidCodec> codec(SkAndroidCodec::NewFromStream(stream.detach())); |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 582 | if (!codec) { |
| 583 | ERRORF(r, "Unable to create codec '%s'", path); |
| 584 | return; |
| 585 | } |
| 586 | |
| 587 | // Check that the decode is successful for a variety of scales |
scroggo | 501b734 | 2015-11-03 07:55:11 -0800 | [diff] [blame] | 588 | for (int sampleSize = 1; sampleSize < 32; sampleSize++) { |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 589 | // Scale the output dimensions |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 590 | SkISize scaledDims = codec->getSampledDimensions(sampleSize); |
msarett | b32758a | 2015-08-18 13:22:46 -0700 | [diff] [blame] | 591 | SkImageInfo scaledInfo = codec->getInfo() |
| 592 | .makeWH(scaledDims.width(), scaledDims.height()) |
| 593 | .makeColorType(kN32_SkColorType); |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 594 | |
| 595 | // Set up for the decode |
| 596 | size_t rowBytes = scaledDims.width() * sizeof(SkPMColor); |
| 597 | size_t totalBytes = scaledInfo.getSafeSize(rowBytes); |
| 598 | SkAutoTMalloc<SkPMColor> pixels(totalBytes); |
| 599 | |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 600 | SkAndroidCodec::AndroidOptions options; |
| 601 | options.fSampleSize = sampleSize; |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 602 | SkCodec::Result result = |
msarett | 3d9d7a7 | 2015-10-21 10:27:10 -0700 | [diff] [blame] | 603 | codec->getAndroidPixels(scaledInfo, pixels.get(), rowBytes, &options); |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 604 | REPORTER_ASSERT(r, SkCodec::kSuccess == result); |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 605 | } |
| 606 | } |
| 607 | |
| 608 | // Ensure that onGetScaledDimensions returns valid image dimensions to use for decodes |
| 609 | DEF_TEST(Codec_Dimensions, r) { |
| 610 | // JPG |
| 611 | test_dimensions(r, "CMYK.jpg"); |
| 612 | test_dimensions(r, "color_wheel.jpg"); |
| 613 | test_dimensions(r, "grayscale.jpg"); |
| 614 | test_dimensions(r, "mandrill_512_q075.jpg"); |
| 615 | test_dimensions(r, "randPixels.jpg"); |
msarett | b32758a | 2015-08-18 13:22:46 -0700 | [diff] [blame] | 616 | |
| 617 | // Decoding small images with very large scaling factors is a potential |
| 618 | // source of bugs and crashes. We disable these tests in Gold because |
| 619 | // tiny images are not very useful to look at. |
| 620 | // Here we make sure that we do not crash or access illegal memory when |
| 621 | // performing scaled decodes on small images. |
| 622 | test_dimensions(r, "1x1.png"); |
| 623 | test_dimensions(r, "2x2.png"); |
| 624 | test_dimensions(r, "3x3.png"); |
| 625 | test_dimensions(r, "3x1.png"); |
| 626 | test_dimensions(r, "1x1.png"); |
| 627 | test_dimensions(r, "16x1.png"); |
| 628 | test_dimensions(r, "1x16.png"); |
| 629 | test_dimensions(r, "mandrill_16.png"); |
| 630 | |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 631 | } |
| 632 | |
msarett | d0375bc | 2015-08-12 08:08:56 -0700 | [diff] [blame] | 633 | static void test_invalid(skiatest::Reporter* r, const char path[]) { |
msarett | 4b17fa3 | 2015-04-23 08:53:39 -0700 | [diff] [blame] | 634 | SkAutoTDelete<SkStream> stream(resource(path)); |
| 635 | if (!stream) { |
| 636 | SkDebugf("Missing resource '%s'\n", path); |
| 637 | return; |
| 638 | } |
| 639 | SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.detach())); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 640 | REPORTER_ASSERT(r, nullptr == codec); |
msarett | 4b17fa3 | 2015-04-23 08:53:39 -0700 | [diff] [blame] | 641 | } |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 642 | |
msarett | 4b17fa3 | 2015-04-23 08:53:39 -0700 | [diff] [blame] | 643 | DEF_TEST(Codec_Empty, r) { |
| 644 | // Test images that should not be able to create a codec |
msarett | d0375bc | 2015-08-12 08:08:56 -0700 | [diff] [blame] | 645 | test_invalid(r, "empty_images/zero-dims.gif"); |
| 646 | test_invalid(r, "empty_images/zero-embedded.ico"); |
| 647 | test_invalid(r, "empty_images/zero-width.bmp"); |
| 648 | test_invalid(r, "empty_images/zero-height.bmp"); |
| 649 | test_invalid(r, "empty_images/zero-width.jpg"); |
| 650 | test_invalid(r, "empty_images/zero-height.jpg"); |
| 651 | test_invalid(r, "empty_images/zero-width.png"); |
| 652 | test_invalid(r, "empty_images/zero-height.png"); |
| 653 | test_invalid(r, "empty_images/zero-width.wbmp"); |
| 654 | test_invalid(r, "empty_images/zero-height.wbmp"); |
| 655 | // This image is an ico with an embedded mask-bmp. This is illegal. |
| 656 | test_invalid(r, "invalid_images/mask-bmp-ico.ico"); |
msarett | 4b17fa3 | 2015-04-23 08:53:39 -0700 | [diff] [blame] | 657 | } |
msarett | 99f567e | 2015-08-05 12:58:26 -0700 | [diff] [blame] | 658 | |
| 659 | static void test_invalid_parameters(skiatest::Reporter* r, const char path[]) { |
| 660 | SkAutoTDelete<SkStream> stream(resource(path)); |
| 661 | if (!stream) { |
| 662 | SkDebugf("Missing resource '%s'\n", path); |
| 663 | return; |
| 664 | } |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 665 | SkAutoTDelete<SkCodec> decoder(SkCodec::NewFromStream(stream.detach())); |
msarett | 99f567e | 2015-08-05 12:58:26 -0700 | [diff] [blame] | 666 | |
| 667 | // This should return kSuccess because kIndex8 is supported. |
| 668 | SkPMColor colorStorage[256]; |
| 669 | int colorCount; |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 670 | SkCodec::Result result = decoder->startScanlineDecode( |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 671 | decoder->getInfo().makeColorType(kIndex_8_SkColorType), nullptr, colorStorage, &colorCount); |
msarett | 99f567e | 2015-08-05 12:58:26 -0700 | [diff] [blame] | 672 | REPORTER_ASSERT(r, SkCodec::kSuccess == result); |
| 673 | // The rest of the test is uninteresting if kIndex8 is not supported |
| 674 | if (SkCodec::kSuccess != result) { |
| 675 | return; |
| 676 | } |
| 677 | |
| 678 | // This should return kInvalidParameters because, in kIndex_8 mode, we must pass in a valid |
| 679 | // colorPtr and a valid colorCountPtr. |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 680 | result = decoder->startScanlineDecode( |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 681 | decoder->getInfo().makeColorType(kIndex_8_SkColorType), nullptr, nullptr, nullptr); |
msarett | 99f567e | 2015-08-05 12:58:26 -0700 | [diff] [blame] | 682 | REPORTER_ASSERT(r, SkCodec::kInvalidParameters == result); |
scroggo | 46c5747 | 2015-09-30 08:57:13 -0700 | [diff] [blame] | 683 | result = decoder->startScanlineDecode( |
msarett | 99f567e | 2015-08-05 12:58:26 -0700 | [diff] [blame] | 684 | decoder->getInfo().makeColorType(kIndex_8_SkColorType)); |
| 685 | REPORTER_ASSERT(r, SkCodec::kInvalidParameters == result); |
| 686 | } |
| 687 | |
| 688 | DEF_TEST(Codec_Params, r) { |
| 689 | test_invalid_parameters(r, "index8.png"); |
| 690 | test_invalid_parameters(r, "mandrill.wbmp"); |
| 691 | } |
scroggo | cf98fa9 | 2015-11-23 08:14:40 -0800 | [diff] [blame^] | 692 | |
| 693 | static void codex_test_write_fn(png_structp png_ptr, png_bytep data, png_size_t len) { |
| 694 | SkWStream* sk_stream = (SkWStream*)png_get_io_ptr(png_ptr); |
| 695 | if (!sk_stream->write(data, len)) { |
| 696 | png_error(png_ptr, "sk_write_fn Error!"); |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED |
| 701 | DEF_TEST(Codec_pngChunkReader, r) { |
| 702 | // Create a dummy bitmap. Use unpremul RGBA for libpng. |
| 703 | SkBitmap bm; |
| 704 | const int w = 1; |
| 705 | const int h = 1; |
| 706 | const SkImageInfo bmInfo = SkImageInfo::Make(w, h, kRGBA_8888_SkColorType, |
| 707 | kUnpremul_SkAlphaType); |
| 708 | bm.setInfo(bmInfo); |
| 709 | bm.allocPixels(); |
| 710 | bm.eraseColor(SK_ColorBLUE); |
| 711 | SkMD5::Digest goodDigest; |
| 712 | md5(bm, &goodDigest); |
| 713 | |
| 714 | // Write to a png file. |
| 715 | png_structp png = png_create_write_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr); |
| 716 | REPORTER_ASSERT(r, png); |
| 717 | if (!png) { |
| 718 | return; |
| 719 | } |
| 720 | |
| 721 | png_infop info = png_create_info_struct(png); |
| 722 | REPORTER_ASSERT(r, info); |
| 723 | if (!info) { |
| 724 | png_destroy_write_struct(&png, nullptr); |
| 725 | return; |
| 726 | } |
| 727 | |
| 728 | if (setjmp(png_jmpbuf(png))) { |
| 729 | ERRORF(r, "failed writing png"); |
| 730 | png_destroy_write_struct(&png, &info); |
| 731 | return; |
| 732 | } |
| 733 | |
| 734 | SkDynamicMemoryWStream wStream; |
| 735 | png_set_write_fn(png, (void*) (&wStream), codex_test_write_fn, nullptr); |
| 736 | |
| 737 | png_set_IHDR(png, info, (png_uint_32)w, (png_uint_32)h, 8, |
| 738 | PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE, |
| 739 | PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); |
| 740 | |
| 741 | // Create some chunks that match the Android framework's use. |
| 742 | static png_unknown_chunk gUnknowns[] = { |
| 743 | { "npOl", (png_byte*)"outline", sizeof("outline"), PNG_HAVE_PLTE }, |
| 744 | { "npLb", (png_byte*)"layoutBounds", sizeof("layoutBounds"), PNG_HAVE_PLTE }, |
| 745 | { "npTc", (png_byte*)"ninePatchData", sizeof("ninePatchData"), PNG_HAVE_PLTE }, |
| 746 | }; |
| 747 | |
| 748 | png_set_keep_unknown_chunks(png, PNG_HANDLE_CHUNK_ALWAYS, (png_byte*)"npOl\0npLb\0npTc\0", 3); |
| 749 | png_set_unknown_chunks(png, info, gUnknowns, SK_ARRAY_COUNT(gUnknowns)); |
| 750 | #if PNG_LIBPNG_VER < 10600 |
| 751 | /* Deal with unknown chunk location bug in 1.5.x and earlier */ |
| 752 | png_set_unknown_chunk_location(png, info, 0, PNG_HAVE_PLTE); |
| 753 | png_set_unknown_chunk_location(png, info, 1, PNG_HAVE_PLTE); |
| 754 | #endif |
| 755 | |
| 756 | png_write_info(png, info); |
| 757 | |
| 758 | for (int j = 0; j < h; j++) { |
| 759 | png_bytep row = (png_bytep)(bm.getAddr(0, j)); |
| 760 | png_write_rows(png, &row, 1); |
| 761 | } |
| 762 | png_write_end(png, info); |
| 763 | png_destroy_write_struct(&png, &info); |
| 764 | |
| 765 | class ChunkReader : public SkPngChunkReader { |
| 766 | public: |
| 767 | ChunkReader(skiatest::Reporter* r) |
| 768 | : fReporter(r) |
| 769 | { |
| 770 | this->reset(); |
| 771 | } |
| 772 | |
| 773 | bool readChunk(const char tag[], const void* data, size_t length) override { |
| 774 | for (size_t i = 0; i < SK_ARRAY_COUNT(gUnknowns); ++i) { |
| 775 | if (!strcmp(tag, (const char*) gUnknowns[i].name)) { |
| 776 | // Tag matches. This should have been the first time we see it. |
| 777 | REPORTER_ASSERT(fReporter, !fSeen[i]); |
| 778 | fSeen[i] = true; |
| 779 | |
| 780 | // Data and length should match |
| 781 | REPORTER_ASSERT(fReporter, length == gUnknowns[i].size); |
| 782 | REPORTER_ASSERT(fReporter, !strcmp((const char*) data, |
| 783 | (const char*) gUnknowns[i].data)); |
| 784 | return true; |
| 785 | } |
| 786 | } |
| 787 | ERRORF(fReporter, "Saw an unexpected unknown chunk."); |
| 788 | return true; |
| 789 | } |
| 790 | |
| 791 | bool allHaveBeenSeen() { |
| 792 | bool ret = true; |
| 793 | for (auto seen : fSeen) { |
| 794 | ret &= seen; |
| 795 | } |
| 796 | return ret; |
| 797 | } |
| 798 | |
| 799 | void reset() { |
| 800 | sk_bzero(fSeen, sizeof(fSeen)); |
| 801 | } |
| 802 | |
| 803 | private: |
| 804 | skiatest::Reporter* fReporter; // Unowned |
| 805 | bool fSeen[3]; |
| 806 | }; |
| 807 | |
| 808 | ChunkReader chunkReader(r); |
| 809 | |
| 810 | // Now read the file with SkCodec. |
| 811 | SkAutoTUnref<SkData> data(wStream.copyToData()); |
| 812 | SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(data, &chunkReader)); |
| 813 | REPORTER_ASSERT(r, codec); |
| 814 | if (!codec) { |
| 815 | return; |
| 816 | } |
| 817 | |
| 818 | // Now compare to the original. |
| 819 | SkBitmap decodedBm; |
| 820 | decodedBm.setInfo(codec->getInfo()); |
| 821 | decodedBm.allocPixels(); |
| 822 | SkCodec::Result result = codec->getPixels(codec->getInfo(), decodedBm.getPixels(), |
| 823 | decodedBm.rowBytes()); |
| 824 | REPORTER_ASSERT(r, SkCodec::kSuccess == result); |
| 825 | |
| 826 | if (decodedBm.colorType() != bm.colorType()) { |
| 827 | SkBitmap tmp; |
| 828 | bool success = decodedBm.copyTo(&tmp, bm.colorType()); |
| 829 | REPORTER_ASSERT(r, success); |
| 830 | if (!success) { |
| 831 | return; |
| 832 | } |
| 833 | |
| 834 | tmp.swap(decodedBm); |
| 835 | } |
| 836 | |
| 837 | compare_to_good_digest(r, goodDigest, decodedBm); |
| 838 | REPORTER_ASSERT(r, chunkReader.allHaveBeenSeen()); |
| 839 | |
| 840 | // Decoding again will read the chunks again. |
| 841 | chunkReader.reset(); |
| 842 | REPORTER_ASSERT(r, !chunkReader.allHaveBeenSeen()); |
| 843 | result = codec->getPixels(codec->getInfo(), decodedBm.getPixels(), decodedBm.rowBytes()); |
| 844 | REPORTER_ASSERT(r, SkCodec::kSuccess == result); |
| 845 | REPORTER_ASSERT(r, chunkReader.allHaveBeenSeen()); |
| 846 | } |
| 847 | #endif // PNG_READ_UNKNOWN_CHUNKS_SUPPORTED |