halcanary | 8ee06f2 | 2015-08-11 10:30:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 7 | #include "Test.h" |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 8 | |
halcanary | 712fdf7 | 2015-12-10 08:59:43 -0800 | [diff] [blame] | 9 | #include "Resources.h" |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 10 | #include "SkCanvas.h" |
| 11 | #include "SkDocument.h" |
| 12 | #include "SkOSFile.h" |
Ben Wagner | bf111d7 | 2016-11-07 18:05:29 -0500 | [diff] [blame] | 13 | #include "SkOSPath.h" |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 14 | #include "SkStream.h" |
halcanary | 712fdf7 | 2015-12-10 08:59:43 -0800 | [diff] [blame] | 15 | #include "SkPixelSerializer.h" |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 16 | |
Hal Canary | db68301 | 2016-11-23 08:55:18 -0700 | [diff] [blame^] | 17 | #include "sk_tool_utils.h" |
| 18 | |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 19 | static void test_empty(skiatest::Reporter* reporter) { |
| 20 | SkDynamicMemoryWStream stream; |
| 21 | |
halcanary | 4b65666 | 2016-04-27 07:45:18 -0700 | [diff] [blame] | 22 | sk_sp<SkDocument> doc(SkDocument::MakePDF(&stream)); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 23 | |
| 24 | doc->close(); |
| 25 | |
| 26 | REPORTER_ASSERT(reporter, stream.bytesWritten() == 0); |
| 27 | } |
| 28 | |
| 29 | static void test_abort(skiatest::Reporter* reporter) { |
| 30 | SkDynamicMemoryWStream stream; |
halcanary | 4b65666 | 2016-04-27 07:45:18 -0700 | [diff] [blame] | 31 | sk_sp<SkDocument> doc(SkDocument::MakePDF(&stream)); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 32 | |
| 33 | SkCanvas* canvas = doc->beginPage(100, 100); |
| 34 | canvas->drawColor(SK_ColorRED); |
| 35 | doc->endPage(); |
| 36 | |
| 37 | doc->abort(); |
| 38 | |
halcanary | 50e82e6 | 2016-03-21 13:45:05 -0700 | [diff] [blame] | 39 | // Test that only the header is written, not the full document. |
| 40 | REPORTER_ASSERT(reporter, stream.bytesWritten() < 256); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | static void test_abortWithFile(skiatest::Reporter* reporter) { |
halcanary | 87f3ba4 | 2015-01-20 09:30:20 -0800 | [diff] [blame] | 44 | SkString tmpDir = skiatest::GetTmpDir(); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 45 | |
| 46 | if (tmpDir.isEmpty()) { |
| 47 | return; // TODO(edisonn): unfortunatelly this pattern is used in other |
| 48 | // tests, but if GetTmpDir() starts returning and empty dir |
| 49 | // allways, then all these tests will be disabled. |
| 50 | } |
| 51 | |
tfarina | a8e2e15 | 2014-07-28 19:26:58 -0700 | [diff] [blame] | 52 | SkString path = SkOSPath::Join(tmpDir.c_str(), "aborted.pdf"); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 53 | |
| 54 | // Make sure doc's destructor is called to flush. |
| 55 | { |
halcanary | 4b65666 | 2016-04-27 07:45:18 -0700 | [diff] [blame] | 56 | sk_sp<SkDocument> doc(SkDocument::MakePDF(path.c_str())); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 57 | |
| 58 | SkCanvas* canvas = doc->beginPage(100, 100); |
| 59 | canvas->drawColor(SK_ColorRED); |
| 60 | doc->endPage(); |
| 61 | |
| 62 | doc->abort(); |
| 63 | } |
| 64 | |
| 65 | FILE* file = fopen(path.c_str(), "r"); |
Hal Canary | 399bbd9 | 2016-11-10 13:03:21 -0500 | [diff] [blame] | 66 | // Test that only the header is written, not the full document. |
| 67 | char buffer[256]; |
| 68 | REPORTER_ASSERT(reporter, fread(buffer, 1, sizeof(buffer), file) < sizeof(buffer)); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 69 | fclose(file); |
| 70 | } |
| 71 | |
| 72 | static void test_file(skiatest::Reporter* reporter) { |
halcanary | 87f3ba4 | 2015-01-20 09:30:20 -0800 | [diff] [blame] | 73 | SkString tmpDir = skiatest::GetTmpDir(); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 74 | if (tmpDir.isEmpty()) { |
| 75 | return; // TODO(edisonn): unfortunatelly this pattern is used in other |
| 76 | // tests, but if GetTmpDir() starts returning and empty dir |
| 77 | // allways, then all these tests will be disabled. |
| 78 | } |
| 79 | |
tfarina | a8e2e15 | 2014-07-28 19:26:58 -0700 | [diff] [blame] | 80 | SkString path = SkOSPath::Join(tmpDir.c_str(), "file.pdf"); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 81 | |
halcanary | 4b65666 | 2016-04-27 07:45:18 -0700 | [diff] [blame] | 82 | sk_sp<SkDocument> doc(SkDocument::MakePDF(path.c_str())); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 83 | |
| 84 | SkCanvas* canvas = doc->beginPage(100, 100); |
| 85 | |
| 86 | canvas->drawColor(SK_ColorRED); |
| 87 | doc->endPage(); |
| 88 | doc->close(); |
| 89 | |
| 90 | FILE* file = fopen(path.c_str(), "r"); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 91 | REPORTER_ASSERT(reporter, file != nullptr); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 92 | char header[100]; |
edisonn@google.com | 5237b7f | 2013-10-22 18:33:21 +0000 | [diff] [blame] | 93 | REPORTER_ASSERT(reporter, fread(header, 4, 1, file) != 0); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 94 | REPORTER_ASSERT(reporter, strncmp(header, "%PDF", 4) == 0); |
| 95 | fclose(file); |
| 96 | } |
| 97 | |
| 98 | static void test_close(skiatest::Reporter* reporter) { |
| 99 | SkDynamicMemoryWStream stream; |
halcanary | 4b65666 | 2016-04-27 07:45:18 -0700 | [diff] [blame] | 100 | sk_sp<SkDocument> doc(SkDocument::MakePDF(&stream)); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 101 | |
| 102 | SkCanvas* canvas = doc->beginPage(100, 100); |
| 103 | canvas->drawColor(SK_ColorRED); |
| 104 | doc->endPage(); |
| 105 | |
| 106 | doc->close(); |
| 107 | |
| 108 | REPORTER_ASSERT(reporter, stream.bytesWritten() != 0); |
| 109 | } |
| 110 | |
halcanary | 57f744e | 2016-09-09 11:41:59 -0700 | [diff] [blame] | 111 | DEF_TEST(SkPDF_document_tests, reporter) { |
halcanary | 2ccdb63 | 2015-08-11 13:35:12 -0700 | [diff] [blame] | 112 | REQUIRE_PDF_DOCUMENT(document_tests, reporter); |
commit-bot@chromium.org | 8c90827 | 2013-10-22 14:49:03 +0000 | [diff] [blame] | 113 | test_empty(reporter); |
| 114 | test_abort(reporter); |
| 115 | test_abortWithFile(reporter); |
| 116 | test_file(reporter); |
| 117 | test_close(reporter); |
| 118 | } |
halcanary | 712fdf7 | 2015-12-10 08:59:43 -0800 | [diff] [blame] | 119 | |
| 120 | namespace { |
| 121 | class JPEGSerializer final : public SkPixelSerializer { |
| 122 | bool onUseEncodedData(const void*, size_t) override { return true; } |
| 123 | SkData* onEncode(const SkPixmap& pixmap) override { |
Hal Canary | db68301 | 2016-11-23 08:55:18 -0700 | [diff] [blame^] | 124 | return sk_tool_utils::EncodeImageToData(pixmap, SkEncodedImageFormat::kJPEG, 85).release(); |
halcanary | 712fdf7 | 2015-12-10 08:59:43 -0800 | [diff] [blame] | 125 | } |
| 126 | }; |
| 127 | } // namespace |
| 128 | |
| 129 | size_t count_bytes(const SkBitmap& bm, bool useDCT) { |
| 130 | SkDynamicMemoryWStream stream; |
halcanary | 4b65666 | 2016-04-27 07:45:18 -0700 | [diff] [blame] | 131 | sk_sp<SkDocument> doc; |
halcanary | 712fdf7 | 2015-12-10 08:59:43 -0800 | [diff] [blame] | 132 | if (useDCT) { |
halcanary | 4b65666 | 2016-04-27 07:45:18 -0700 | [diff] [blame] | 133 | doc = SkDocument::MakePDF(&stream, SK_ScalarDefaultRasterDPI, |
| 134 | SkDocument::PDFMetadata(), |
| 135 | sk_make_sp<JPEGSerializer>(), false); |
halcanary | 712fdf7 | 2015-12-10 08:59:43 -0800 | [diff] [blame] | 136 | } else { |
halcanary | 4b65666 | 2016-04-27 07:45:18 -0700 | [diff] [blame] | 137 | doc = SkDocument::MakePDF(&stream); |
halcanary | 712fdf7 | 2015-12-10 08:59:43 -0800 | [diff] [blame] | 138 | } |
| 139 | SkCanvas* canvas = doc->beginPage(64, 64); |
| 140 | canvas->drawBitmap(bm, 0, 0); |
| 141 | doc->endPage(); |
| 142 | doc->close(); |
| 143 | return stream.bytesWritten(); |
| 144 | } |
| 145 | |
halcanary | 57f744e | 2016-09-09 11:41:59 -0700 | [diff] [blame] | 146 | DEF_TEST(SkPDF_document_dct_encoder, r) { |
| 147 | REQUIRE_PDF_DOCUMENT(SkPDF_document_dct_encoder, r); |
halcanary | 712fdf7 | 2015-12-10 08:59:43 -0800 | [diff] [blame] | 148 | SkBitmap bm; |
| 149 | if (GetResourceAsBitmap("mandrill_64.png", &bm)) { |
| 150 | // Lossy encoding works better on photographs. |
| 151 | REPORTER_ASSERT(r, count_bytes(bm, true) < count_bytes(bm, false)); |
| 152 | } |
| 153 | } |
halcanary | 53b1c09 | 2016-01-06 09:02:25 -0800 | [diff] [blame] | 154 | |
halcanary | 57f744e | 2016-09-09 11:41:59 -0700 | [diff] [blame] | 155 | DEF_TEST(SkPDF_document_skbug_4734, r) { |
| 156 | REQUIRE_PDF_DOCUMENT(SkPDF_document_skbug_4734, r); |
halcanary | 53b1c09 | 2016-01-06 09:02:25 -0800 | [diff] [blame] | 157 | SkDynamicMemoryWStream stream; |
halcanary | 4b65666 | 2016-04-27 07:45:18 -0700 | [diff] [blame] | 158 | sk_sp<SkDocument> doc(SkDocument::MakePDF(&stream)); |
halcanary | 53b1c09 | 2016-01-06 09:02:25 -0800 | [diff] [blame] | 159 | SkCanvas* canvas = doc->beginPage(64, 64); |
| 160 | canvas->scale(10000.0f, 10000.0f); |
| 161 | canvas->translate(20.0f, 10.0f); |
| 162 | canvas->rotate(30.0f); |
| 163 | const char text[] = "HELLO"; |
| 164 | canvas->drawText(text, strlen(text), 0, 0, SkPaint()); |
| 165 | } |
halcanary | 57f744e | 2016-09-09 11:41:59 -0700 | [diff] [blame] | 166 | |
| 167 | static bool contains(const uint8_t* result, size_t size, const char expectation[]) { |
| 168 | size_t len = strlen(expectation); |
| 169 | size_t N = 1 + size - len; |
| 170 | for (size_t i = 0; i < N; ++i) { |
| 171 | if (0 == memcmp(result + i, expectation, len)) { |
| 172 | return true; |
| 173 | } |
| 174 | } |
| 175 | return false; |
| 176 | } |
| 177 | |
| 178 | // verify that the PDFA flag does something. |
| 179 | DEF_TEST(SkPDF_pdfa_document, r) { |
| 180 | REQUIRE_PDF_DOCUMENT(SkPDF_pdfa_document, r); |
| 181 | |
| 182 | SkDocument::PDFMetadata pdfMetadata; |
| 183 | pdfMetadata.fTitle = "test document"; |
| 184 | pdfMetadata.fCreation.fEnabled = true; |
| 185 | pdfMetadata.fCreation.fDateTime = {0, 1999, 12, 5, 31, 23, 59, 59}; |
| 186 | |
| 187 | SkDynamicMemoryWStream buffer; |
| 188 | auto doc = SkDocument::MakePDF(&buffer, SK_ScalarDefaultRasterDPI, |
| 189 | pdfMetadata, nullptr, /* pdfa = */ true); |
| 190 | doc->beginPage(64, 64)->drawColor(SK_ColorRED); |
| 191 | doc->close(); |
reed | 42943c8 | 2016-09-12 12:01:44 -0700 | [diff] [blame] | 192 | sk_sp<SkData> data(buffer.detachAsData()); |
| 193 | |
halcanary | 57f744e | 2016-09-09 11:41:59 -0700 | [diff] [blame] | 194 | static const char* expectations[] = { |
| 195 | "sRGB IEC61966-2.1", |
| 196 | "<dc:title><rdf:Alt><rdf:li xml:lang=\"x-default\">test document", |
| 197 | "<xmp:CreateDate>1999-12-31T23:59:59+00:00</xmp:CreateDate>", |
| 198 | "/Subtype /XML", |
| 199 | "/CreationDate (D:19991231235959+00'00')>>", |
| 200 | }; |
| 201 | for (const char* expectation : expectations) { |
| 202 | if (!contains(data->bytes(), data->size(), expectation)) { |
| 203 | ERRORF(r, "PDFA expectation missing: '%s'.", expectation); |
| 204 | } |
| 205 | } |
| 206 | pdfMetadata.fProducer = "phoney library"; |
| 207 | doc = SkDocument::MakePDF(&buffer, SK_ScalarDefaultRasterDPI, |
| 208 | pdfMetadata, nullptr, /* pdfa = */ true); |
| 209 | doc->beginPage(64, 64)->drawColor(SK_ColorRED); |
| 210 | doc->close(); |
reed | 42943c8 | 2016-09-12 12:01:44 -0700 | [diff] [blame] | 211 | data = buffer.detachAsData(); |
halcanary | 57f744e | 2016-09-09 11:41:59 -0700 | [diff] [blame] | 212 | |
| 213 | static const char* moreExpectations[] = { |
| 214 | "/Producer (phoney library)", |
| 215 | "/ProductionLibrary (Skia/PDF m", |
| 216 | "<!-- <skia:ProductionLibrary>Skia/PDF m", |
| 217 | "<pdf:Producer>phoney library</pdf:Producer>", |
| 218 | }; |
| 219 | for (const char* expectation : moreExpectations) { |
| 220 | if (!contains(data->bytes(), data->size(), expectation)) { |
| 221 | ERRORF(r, "PDFA expectation missing: '%s'.", expectation); |
| 222 | } |
| 223 | } |
| 224 | } |