| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/core/SkAnnotation.h" |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkBlendMode.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkColorFilter.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkFont.h" |
| #include "include/core/SkFontArguments.h" |
| #include "include/core/SkFontMetrics.h" |
| #include "include/core/SkFontMgr.h" |
| #include "include/core/SkFontStyle.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkImageFilter.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkMatrix.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkPath.h" |
| #include "include/core/SkPathEffect.h" |
| #include "include/core/SkPicture.h" |
| #include "include/core/SkPictureRecorder.h" |
| #include "include/core/SkPoint.h" |
| #include "include/core/SkPoint3.h" |
| #include "include/core/SkRRect.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkRegion.h" |
| #include "include/core/SkSamplingOptions.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkSerialProcs.h" |
| #include "include/core/SkStream.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkSurface.h" |
| #include "include/core/SkTextBlob.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/core/SkTypes.h" |
| #include "include/effects/SkDashPathEffect.h" |
| #include "include/effects/SkImageFilters.h" |
| #include "include/private/base/SkAlign.h" |
| #include "include/private/base/SkTemplates.h" |
| #include "include/private/base/SkMalloc.h" |
| #include "src/base/SkAutoMalloc.h" |
| #include "src/core/SkAnnotationKeys.h" |
| #include "src/core/SkColorFilterBase.h" |
| #include "src/core/SkImageFilter_Base.h" |
| #include "src/core/SkPicturePriv.h" |
| #include "src/core/SkReadBuffer.h" |
| #include "src/core/SkWriteBuffer.h" |
| #include "tests/Test.h" |
| #include "tools/Resources.h" |
| #include "tools/ToolUtils.h" |
| |
| #include <algorithm> |
| #include <array> |
| #include <cstdint> |
| #include <cstring> |
| #include <memory> |
| #include <utility> |
| |
| using namespace skia_private; |
| |
| static const uint32_t kArraySize = 64; |
| static const int kBitmapSize = 256; |
| |
| class SerializationTest { |
| public: |
| |
| template<typename T> |
| static void TestAlignment(T* testObj, skiatest::Reporter* reporter) { |
| // Test memory read/write functions directly |
| unsigned char dataWritten[1024]; |
| size_t bytesWrittenToMemory = testObj->writeToMemory(dataWritten); |
| REPORTER_ASSERT(reporter, SkAlign4(bytesWrittenToMemory) == bytesWrittenToMemory); |
| size_t bytesReadFromMemory = testObj->readFromMemory(dataWritten, bytesWrittenToMemory); |
| REPORTER_ASSERT(reporter, SkAlign4(bytesReadFromMemory) == bytesReadFromMemory); |
| } |
| }; |
| |
| template<typename T> struct SerializationUtils { |
| // Generic case for flattenables |
| static void Write(SkWriteBuffer& writer, const T* flattenable) { |
| writer.writeFlattenable(flattenable); |
| } |
| static void Read(SkReadBuffer& reader, T** flattenable) { |
| *flattenable = (T*)reader.readFlattenable(T::GetFlattenableType()); |
| } |
| }; |
| |
| template<> struct SerializationUtils<SkMatrix> { |
| static void Write(SkWriteBuffer& writer, const SkMatrix* matrix) { |
| writer.writeMatrix(*matrix); |
| } |
| static void Read(SkReadBuffer& reader, SkMatrix* matrix) { |
| reader.readMatrix(matrix); |
| } |
| }; |
| |
| template<> struct SerializationUtils<SkPath> { |
| static void Write(SkWriteBuffer& writer, const SkPath* path) { |
| writer.writePath(*path); |
| } |
| static void Read(SkReadBuffer& reader, SkPath* path) { |
| reader.readPath(path); |
| } |
| }; |
| |
| template<> struct SerializationUtils<SkRegion> { |
| static void Write(SkWriteBuffer& writer, const SkRegion* region) { |
| writer.writeRegion(*region); |
| } |
| static void Read(SkReadBuffer& reader, SkRegion* region) { |
| reader.readRegion(region); |
| } |
| }; |
| |
| template<> struct SerializationUtils<SkString> { |
| static void Write(SkWriteBuffer& writer, const SkString* string) { |
| writer.writeString(string->c_str()); |
| } |
| static void Read(SkReadBuffer& reader, SkString* string) { |
| reader.readString(string); |
| } |
| }; |
| |
| template<> struct SerializationUtils<unsigned char> { |
| static void Write(SkWriteBuffer& writer, unsigned char* data, uint32_t arraySize) { |
| writer.writeByteArray(data, arraySize); |
| } |
| static bool Read(SkReadBuffer& reader, unsigned char* data, uint32_t arraySize) { |
| return reader.readByteArray(data, arraySize); |
| } |
| }; |
| |
| template<> struct SerializationUtils<SkColor> { |
| static void Write(SkWriteBuffer& writer, SkColor* data, uint32_t arraySize) { |
| writer.writeColorArray(data, arraySize); |
| } |
| static bool Read(SkReadBuffer& reader, SkColor* data, uint32_t arraySize) { |
| return reader.readColorArray(data, arraySize); |
| } |
| }; |
| |
| template<> struct SerializationUtils<SkColor4f> { |
| static void Write(SkWriteBuffer& writer, SkColor4f* data, uint32_t arraySize) { |
| writer.writeColor4fArray(data, arraySize); |
| } |
| static bool Read(SkReadBuffer& reader, SkColor4f* data, uint32_t arraySize) { |
| return reader.readColor4fArray(data, arraySize); |
| } |
| }; |
| |
| template<> struct SerializationUtils<int32_t> { |
| static void Write(SkWriteBuffer& writer, int32_t* data, uint32_t arraySize) { |
| writer.writeIntArray(data, arraySize); |
| } |
| static bool Read(SkReadBuffer& reader, int32_t* data, uint32_t arraySize) { |
| return reader.readIntArray(data, arraySize); |
| } |
| }; |
| |
| template<> struct SerializationUtils<SkPoint> { |
| static void Write(SkWriteBuffer& writer, SkPoint* data, uint32_t arraySize) { |
| writer.writePointArray(data, arraySize); |
| } |
| static bool Read(SkReadBuffer& reader, SkPoint* data, uint32_t arraySize) { |
| return reader.readPointArray(data, arraySize); |
| } |
| }; |
| |
| template<> struct SerializationUtils<SkPoint3> { |
| static void Write(SkWriteBuffer& writer, const SkPoint3* data) { |
| writer.writePoint3(*data); |
| } |
| static void Read(SkReadBuffer& reader, SkPoint3* data) { |
| reader.readPoint3(data); |
| } |
| }; |
| |
| template<> struct SerializationUtils<SkScalar> { |
| static void Write(SkWriteBuffer& writer, SkScalar* data, uint32_t arraySize) { |
| writer.writeScalarArray(data, arraySize); |
| } |
| static bool Read(SkReadBuffer& reader, SkScalar* data, uint32_t arraySize) { |
| return reader.readScalarArray(data, arraySize); |
| } |
| }; |
| |
| template<typename T, bool testInvalid> struct SerializationTestUtils { |
| static void InvalidateData(unsigned char* data) {} |
| }; |
| |
| template<> struct SerializationTestUtils<SkString, true> { |
| static void InvalidateData(unsigned char* data) { |
| data[3] |= 0x80; // Reverse sign of 1st integer |
| } |
| }; |
| |
| template<typename T, bool testInvalid> |
| static void TestObjectSerializationNoAlign(T* testObj, skiatest::Reporter* reporter) { |
| SkBinaryWriteBuffer writer; |
| SerializationUtils<T>::Write(writer, testObj); |
| size_t bytesWritten = writer.bytesWritten(); |
| REPORTER_ASSERT(reporter, SkAlign4(bytesWritten) == bytesWritten); |
| |
| unsigned char dataWritten[1024]; |
| writer.writeToMemory(dataWritten); |
| |
| SerializationTestUtils<T, testInvalid>::InvalidateData(dataWritten); |
| |
| // Make sure this fails when it should (test with smaller size, but still multiple of 4) |
| SkReadBuffer buffer(dataWritten, bytesWritten - 4); |
| T obj; |
| SerializationUtils<T>::Read(buffer, &obj); |
| REPORTER_ASSERT(reporter, !buffer.isValid()); |
| |
| // Make sure this succeeds when it should |
| SkReadBuffer buffer2(dataWritten, bytesWritten); |
| size_t offsetBefore = buffer2.offset(); |
| T obj2; |
| SerializationUtils<T>::Read(buffer2, &obj2); |
| size_t offsetAfter = buffer2.offset(); |
| // This should have succeeded, since there are enough bytes to read this |
| REPORTER_ASSERT(reporter, buffer2.isValid() == !testInvalid); |
| // Note: This following test should always succeed, regardless of whether the buffer is valid, |
| // since if it is invalid, it will simply skip to the end, as if it had read the whole buffer. |
| REPORTER_ASSERT(reporter, offsetAfter - offsetBefore == bytesWritten); |
| } |
| |
| template<typename T> |
| static void TestObjectSerialization(T* testObj, skiatest::Reporter* reporter) { |
| TestObjectSerializationNoAlign<T, false>(testObj, reporter); |
| SerializationTest::TestAlignment(testObj, reporter); |
| } |
| |
| template<typename T> |
| static T* TestFlattenableSerialization(T* testObj, bool shouldSucceed, |
| skiatest::Reporter* reporter) { |
| SkBinaryWriteBuffer writer; |
| SerializationUtils<T>::Write(writer, testObj); |
| size_t bytesWritten = writer.bytesWritten(); |
| REPORTER_ASSERT(reporter, SkAlign4(bytesWritten) == bytesWritten); |
| |
| SkASSERT(bytesWritten <= 4096); |
| unsigned char dataWritten[4096]; |
| writer.writeToMemory(dataWritten); |
| |
| // Make sure this fails when it should (test with smaller size, but still multiple of 4) |
| SkReadBuffer buffer(dataWritten, bytesWritten - 4); |
| T* obj = nullptr; |
| SerializationUtils<T>::Read(buffer, &obj); |
| REPORTER_ASSERT(reporter, !buffer.isValid()); |
| REPORTER_ASSERT(reporter, nullptr == obj); |
| |
| // Make sure this succeeds when it should |
| SkReadBuffer buffer2(dataWritten, bytesWritten); |
| const unsigned char* peekBefore = static_cast<const unsigned char*>(buffer2.skip(0)); |
| T* obj2 = nullptr; |
| SerializationUtils<T>::Read(buffer2, &obj2); |
| const unsigned char* peekAfter = static_cast<const unsigned char*>(buffer2.skip(0)); |
| if (shouldSucceed) { |
| // This should have succeeded, since there are enough bytes to read this |
| REPORTER_ASSERT(reporter, buffer2.isValid()); |
| REPORTER_ASSERT(reporter, static_cast<size_t>(peekAfter - peekBefore) == bytesWritten); |
| REPORTER_ASSERT(reporter, obj2); |
| } else { |
| // If the deserialization was supposed to fail, make sure it did |
| REPORTER_ASSERT(reporter, !buffer.isValid()); |
| REPORTER_ASSERT(reporter, nullptr == obj2); |
| } |
| |
| return obj2; // Return object to perform further validity tests on it |
| } |
| |
| template<typename T> |
| static void TestArraySerialization(T* data, skiatest::Reporter* reporter) { |
| SkBinaryWriteBuffer writer; |
| SerializationUtils<T>::Write(writer, data, kArraySize); |
| size_t bytesWritten = writer.bytesWritten(); |
| // This should write the length (in 4 bytes) and the array |
| REPORTER_ASSERT(reporter, (4 + kArraySize * sizeof(T)) == bytesWritten); |
| |
| unsigned char dataWritten[2048]; |
| writer.writeToMemory(dataWritten); |
| |
| // Make sure this fails when it should |
| SkReadBuffer buffer(dataWritten, bytesWritten); |
| T dataRead[kArraySize]; |
| bool success = SerializationUtils<T>::Read(buffer, dataRead, kArraySize / 2); |
| // This should have failed, since the provided size was too small |
| REPORTER_ASSERT(reporter, !success); |
| |
| // Make sure this succeeds when it should |
| SkReadBuffer buffer2(dataWritten, bytesWritten); |
| success = SerializationUtils<T>::Read(buffer2, dataRead, kArraySize); |
| // This should have succeeded, since there are enough bytes to read this |
| REPORTER_ASSERT(reporter, success); |
| } |
| |
| static void TestBitmapSerialization(const SkBitmap& validBitmap, |
| const SkBitmap& invalidBitmap, |
| bool shouldSucceed, |
| skiatest::Reporter* reporter) { |
| sk_sp<SkImage> validImage(validBitmap.asImage()); |
| sk_sp<SkImageFilter> validBitmapSource(SkImageFilters::Image(std::move(validImage))); |
| sk_sp<SkImage> invalidImage(invalidBitmap.asImage()); |
| sk_sp<SkImageFilter> invalidBitmapSource(SkImageFilters::Image(std::move(invalidImage))); |
| sk_sp<SkImageFilter> xfermodeImageFilter( |
| SkImageFilters::Blend(SkBlendMode::kSrcOver, |
| std::move(invalidBitmapSource), |
| std::move(validBitmapSource), nullptr)); |
| |
| sk_sp<SkImageFilter> deserializedFilter( |
| TestFlattenableSerialization<SkImageFilter_Base>( |
| (SkImageFilter_Base*)xfermodeImageFilter.get(), shouldSucceed, reporter)); |
| |
| // Try to render a small bitmap using the invalid deserialized filter |
| // to make sure we don't crash while trying to render it |
| if (shouldSucceed) { |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(24, 24); |
| SkCanvas canvas(bitmap); |
| canvas.clear(0x00000000); |
| SkPaint paint; |
| paint.setImageFilter(deserializedFilter); |
| canvas.clipRect(SkRect::MakeXYWH(0, 0, SkIntToScalar(24), SkIntToScalar(24))); |
| canvas.drawImage(bitmap.asImage(), 0, 0, SkSamplingOptions(), &paint); |
| } |
| } |
| |
| static void TestColorFilterSerialization(skiatest::Reporter* reporter) { |
| uint8_t table[256]; |
| for (int i = 0; i < 256; ++i) { |
| table[i] = (i * 41) % 256; |
| } |
| auto filter = SkColorFilters::Table(table); |
| sk_sp<SkColorFilter> copy( |
| TestFlattenableSerialization(as_CFB(filter.get()), true, reporter)); |
| } |
| |
| static SkBitmap draw_picture(SkPicture& picture) { |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(SkScalarCeilToInt(picture.cullRect().width()), |
| SkScalarCeilToInt(picture.cullRect().height())); |
| SkCanvas canvas(bitmap); |
| picture.playback(&canvas); |
| return bitmap; |
| } |
| |
| static void compare_bitmaps(skiatest::Reporter* reporter, |
| const SkBitmap& b1, const SkBitmap& b2) { |
| REPORTER_ASSERT(reporter, b1.width() == b2.width()); |
| REPORTER_ASSERT(reporter, b1.height() == b2.height()); |
| |
| if ((b1.width() != b2.width()) || |
| (b1.height() != b2.height())) { |
| return; |
| } |
| |
| int pixelErrors = 0; |
| for (int y = 0; y < b2.height(); ++y) { |
| for (int x = 0; x < b2.width(); ++x) { |
| if (b1.getColor(x, y) != b2.getColor(x, y)) |
| ++pixelErrors; |
| } |
| } |
| REPORTER_ASSERT(reporter, 0 == pixelErrors); |
| } |
| |
| static sk_sp<SkData> serialize_typeface_proc(SkTypeface* typeface, void* ctx) { |
| // Write out typeface ID followed by entire typeface. |
| SkDynamicMemoryWStream stream; |
| sk_sp<SkData> data(typeface->serialize(SkTypeface::SerializeBehavior::kDoIncludeData)); |
| uint32_t typeface_id = typeface->uniqueID(); |
| stream.write(&typeface_id, sizeof(typeface_id)); |
| stream.write(data->data(), data->size()); |
| return stream.detachAsData(); |
| } |
| |
| static sk_sp<SkTypeface> deserialize_typeface_proc(const void* data, size_t length, void* ctx) { |
| SkStream* stream; |
| if (length < sizeof(stream)) { |
| return nullptr; |
| } |
| memcpy(&stream, data, sizeof(stream)); |
| |
| SkTypefaceID id; |
| if (!stream->read(&id, sizeof(id))) { |
| return nullptr; |
| } |
| |
| sk_sp<SkTypeface> typeface = SkTypeface::MakeDeserialize(stream); |
| return typeface; |
| } |
| |
| static void serialize_and_compare_typeface(sk_sp<SkTypeface> typeface, |
| const char* text, |
| const SkSerialProcs* serial_procs, |
| const SkDeserialProcs* deserial_procs, |
| skiatest::Reporter* reporter) { |
| // Create a font with the typeface. |
| SkPaint paint; |
| paint.setColor(SK_ColorGRAY); |
| SkFont font(std::move(typeface), 30); |
| |
| // Paint some text. |
| SkPictureRecorder recorder; |
| SkIRect canvasRect = SkIRect::MakeWH(kBitmapSize, kBitmapSize); |
| SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(canvasRect.width()), |
| SkIntToScalar(canvasRect.height())); |
| canvas->drawColor(SK_ColorWHITE); |
| canvas->drawString(text, 24, 32, font, paint); |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| |
| // Serlialize picture and create its clone from stream. |
| SkDynamicMemoryWStream stream; |
| picture->serialize(&stream, serial_procs); |
| std::unique_ptr<SkStream> inputStream(stream.detachAsStream()); |
| sk_sp<SkPicture> loadedPicture(SkPicture::MakeFromStream(inputStream.get(), deserial_procs)); |
| |
| // Draw both original and clone picture and compare bitmaps -- they should be identical. |
| SkBitmap origBitmap = draw_picture(*picture); |
| SkBitmap destBitmap = draw_picture(*loadedPicture); |
| compare_bitmaps(reporter, origBitmap, destBitmap); |
| } |
| |
| static sk_sp<SkTypeface> makeDistortableWithNonDefaultAxes(skiatest::Reporter* reporter) { |
| std::unique_ptr<SkStreamAsset> distortable(GetResourceAsStream("fonts/Distortable.ttf")); |
| if (!distortable) { |
| REPORT_FAILURE(reporter, "distortable", SkString()); |
| return nullptr; |
| } |
| |
| const SkFontArguments::VariationPosition::Coordinate position[] = { |
| { SkSetFourByteTag('w','g','h','t'), SK_ScalarSqrt2 }, |
| }; |
| SkFontArguments params; |
| params.setVariationDesignPosition({position, std::size(position)}); |
| |
| sk_sp<SkFontMgr> fm = SkFontMgr::RefDefault(); |
| |
| sk_sp<SkTypeface> typeface = fm->makeFromStream(std::move(distortable), params); |
| if (!typeface) { |
| return nullptr; // Not all SkFontMgr can makeFromStream(). |
| } |
| |
| int count = typeface->getVariationDesignPosition(nullptr, 0); |
| if (count == -1) { |
| return nullptr; // The number of axes is unknown. |
| } |
| |
| return typeface; |
| } |
| |
| static void TestPictureTypefaceSerialization(const SkSerialProcs* serial_procs, |
| const SkDeserialProcs* deserial_procs, |
| skiatest::Reporter* reporter) { |
| { |
| // Load typeface from file to test CreateFromFile with index. |
| auto typeface = MakeResourceAsTypeface("fonts/test.ttc", 1); |
| if (!typeface) { |
| INFOF(reporter, "Could not run fontstream test because test.ttc not found."); |
| } else { |
| serialize_and_compare_typeface(std::move(typeface), "A!", serial_procs, deserial_procs, |
| reporter); |
| } |
| } |
| |
| { |
| // Load typeface as stream to create with axis settings. |
| auto typeface = makeDistortableWithNonDefaultAxes(reporter); |
| if (!typeface) { |
| INFOF(reporter, "Could not run fontstream test because Distortable.ttf not created."); |
| } else { |
| serialize_and_compare_typeface(std::move(typeface), "ab", serial_procs, |
| deserial_procs, reporter); |
| } |
| } |
| } |
| |
| SkString DumpTypeface(const SkTypeface& typeface) { |
| int index; |
| std::unique_ptr<SkStreamAsset> typefaceStream = typeface.openStream(&index); |
| if (!typefaceStream) { |
| return SkString("No Stream"); |
| } |
| size_t length = typefaceStream->getLength(); |
| |
| SkString s; |
| s.appendf("Index: %d\n", index); |
| s.appendf("Length: %zu\n", length); |
| return s; |
| } |
| SkString DumpFontMetrics(const SkFontMetrics& metrics) { |
| SkString m("Flags:\n"); |
| |
| if (metrics.fFlags == 0) { |
| m += " No flags\n"; |
| } else { |
| if (metrics.fFlags & SkFontMetrics::kUnderlineThicknessIsValid_Flag) { |
| m += " UnderlineThicknessIsValid\n"; |
| } |
| if (metrics.fFlags & SkFontMetrics::kUnderlinePositionIsValid_Flag) { |
| m += " kUnderlinePositionIsValid\n"; |
| } |
| if (metrics.fFlags & SkFontMetrics::kStrikeoutThicknessIsValid_Flag) { |
| m += " kStrikeoutThicknessIsValid\n"; |
| } |
| if (metrics.fFlags & SkFontMetrics::kStrikeoutPositionIsValid_Flag) { |
| m += " kStrikeoutPositionIsValid\n"; |
| } |
| if (metrics.fFlags & SkFontMetrics::kBoundsInvalid_Flag) { |
| m += " kBoundsInvalid\n"; |
| } |
| } |
| |
| m.appendf("Top: %f\n", metrics.fTop); |
| m.appendf("Ascent: %f\n", metrics.fAscent); |
| m.appendf("Descent: %f\n", metrics.fDescent); |
| m.appendf("Bottom: %f\n", metrics.fBottom); |
| m.appendf("Leading: %f\n", metrics.fLeading); |
| m.appendf("AvgCharWidth: %f\n", metrics.fAvgCharWidth); |
| m.appendf("MaxCharWidth: %f\n", metrics.fMaxCharWidth); |
| m.appendf("XMin: %f\n", metrics.fXMin); |
| m.appendf("XMax: %f\n", metrics.fXMax); |
| m.appendf("XHeight: %f\n", metrics.fXHeight); |
| m.appendf("CapHeight: %f\n", metrics.fCapHeight); |
| m.appendf("UnderlineThickness: %f\n", metrics.fUnderlineThickness); |
| m.appendf("UnderlinePosition: %f\n", metrics.fUnderlinePosition); |
| m.appendf("StrikeoutThickness: %f\n", metrics.fStrikeoutThickness); |
| m.appendf("StrikeoutPosition: %f\n", metrics.fStrikeoutPosition); |
| return m; |
| } |
| static void TestTypefaceSerialization(skiatest::Reporter* reporter, sk_sp<SkTypeface> typeface) { |
| SkDynamicMemoryWStream typefaceWStream; |
| typeface->serialize(&typefaceWStream); |
| |
| std::unique_ptr<SkStream> typefaceStream = typefaceWStream.detachAsStream(); |
| sk_sp<SkTypeface> cloneTypeface = SkTypeface::MakeDeserialize(typefaceStream.get()); |
| SkASSERT(cloneTypeface); |
| |
| SkString name, cloneName; |
| typeface->getFamilyName(&name); |
| cloneTypeface->getFamilyName(&cloneName); |
| |
| REPORTER_ASSERT(reporter, typeface->countGlyphs() == cloneTypeface->countGlyphs(), |
| "Typeface: \"%s\" CloneTypeface: \"%s\"", name.c_str(), cloneName.c_str()); |
| REPORTER_ASSERT(reporter, typeface->fontStyle() == cloneTypeface->fontStyle(), |
| "Typeface: \"%s\" CloneTypeface: \"%s\"", name.c_str(), cloneName.c_str()); |
| |
| SkFont font(typeface, 12); |
| SkFont clone(cloneTypeface, 12); |
| SkFontMetrics fontMetrics, cloneMetrics; |
| font.getMetrics(&fontMetrics); |
| clone.getMetrics(&cloneMetrics); |
| REPORTER_ASSERT(reporter, fontMetrics == cloneMetrics, |
| "Typeface: \"%s\"\n-Metrics---\n%s-Data---\n%s\n\n" |
| "CloneTypeface: \"%s\"\n-Metrics---\n%s-Data---\n%s", |
| name.c_str(), |
| DumpFontMetrics(fontMetrics).c_str(), |
| DumpTypeface(*typeface).c_str(), |
| cloneName.c_str(), |
| DumpFontMetrics(cloneMetrics).c_str(), |
| DumpTypeface(*cloneTypeface).c_str()); |
| } |
| DEF_TEST(Serialization_Typeface, reporter) { |
| SkFont font; |
| TestTypefaceSerialization(reporter, font.refTypefaceOrDefault()); |
| TestTypefaceSerialization(reporter, ToolUtils::sample_user_typeface()); |
| } |
| |
| static void setup_bitmap_for_canvas(SkBitmap* bitmap) { |
| bitmap->allocN32Pixels(kBitmapSize, kBitmapSize); |
| } |
| |
| static sk_sp<SkImage> make_checkerboard_image() { |
| SkBitmap bitmap; |
| setup_bitmap_for_canvas(&bitmap); |
| |
| SkCanvas canvas(bitmap); |
| canvas.clear(0x00000000); |
| SkPaint darkPaint; |
| darkPaint.setColor(0xFF804020); |
| SkPaint lightPaint; |
| lightPaint.setColor(0xFF244484); |
| const int i = kBitmapSize / 8; |
| const SkScalar f = SkIntToScalar(i); |
| for (int y = 0; y < kBitmapSize; y += i) { |
| for (int x = 0; x < kBitmapSize; x += i) { |
| canvas.save(); |
| canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); |
| canvas.drawRect(SkRect::MakeXYWH(0, 0, f, f), darkPaint); |
| canvas.drawRect(SkRect::MakeXYWH(f, 0, f, f), lightPaint); |
| canvas.drawRect(SkRect::MakeXYWH(0, f, f, f), lightPaint); |
| canvas.drawRect(SkRect::MakeXYWH(f, f, f, f), darkPaint); |
| canvas.restore(); |
| } |
| } |
| return bitmap.asImage(); |
| } |
| |
| static void draw_something(SkCanvas* canvas) { |
| canvas->save(); |
| canvas->scale(0.5f, 0.5f); |
| canvas->drawImage(make_checkerboard_image(), 0, 0); |
| canvas->restore(); |
| |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| paint.setColor(SK_ColorRED); |
| canvas->drawCircle(SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/3), paint); |
| paint.setColor(SK_ColorBLACK); |
| |
| SkFont font; |
| font.setSize(kBitmapSize/3); |
| canvas->drawString("Picture", SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/4), font, paint); |
| } |
| |
| static sk_sp<SkImage> render(const SkPicture& p) { |
| auto surf = SkSurface::MakeRasterN32Premul(SkScalarRoundToInt(p.cullRect().width()), |
| SkScalarRoundToInt(p.cullRect().height())); |
| if (!surf) { |
| return nullptr; // bounds are empty? |
| } |
| surf->getCanvas()->clear(SK_ColorWHITE); |
| p.playback(surf->getCanvas()); |
| return surf->makeImageSnapshot(); |
| } |
| |
| DEF_TEST(Serialization, reporter) { |
| // Test matrix serialization |
| { |
| SkMatrix matrix = SkMatrix::I(); |
| TestObjectSerialization(&matrix, reporter); |
| } |
| |
| // Test point3 serialization |
| { |
| SkPoint3 point; |
| TestObjectSerializationNoAlign<SkPoint3, false>(&point, reporter); |
| } |
| |
| // Test path serialization |
| { |
| SkPath path; |
| TestObjectSerialization(&path, reporter); |
| } |
| |
| // Test region serialization |
| { |
| SkRegion region; |
| TestObjectSerialization(®ion, reporter); |
| } |
| |
| // Test color filter serialization |
| { |
| TestColorFilterSerialization(reporter); |
| } |
| |
| // Test string serialization |
| { |
| SkString string("string"); |
| TestObjectSerializationNoAlign<SkString, false>(&string, reporter); |
| TestObjectSerializationNoAlign<SkString, true>(&string, reporter); |
| } |
| |
| // Test rrect serialization |
| { |
| // SkRRect does not initialize anything. |
| // An uninitialized SkRRect can be serialized, |
| // but will branch on uninitialized data when deserialized. |
| SkRRect rrect; |
| SkRect rect = SkRect::MakeXYWH(1, 2, 20, 30); |
| SkVector corners[4] = { {1, 2}, {2, 3}, {3,4}, {4,5} }; |
| rrect.setRectRadii(rect, corners); |
| SerializationTest::TestAlignment(&rrect, reporter); |
| } |
| |
| // Test readByteArray |
| { |
| unsigned char data[kArraySize] = { 1, 2, 3 }; |
| TestArraySerialization(data, reporter); |
| } |
| |
| // Test readColorArray |
| { |
| SkColor data[kArraySize] = { SK_ColorBLACK, SK_ColorWHITE, SK_ColorRED }; |
| TestArraySerialization(data, reporter); |
| } |
| |
| // Test readColor4fArray |
| { |
| SkColor4f data[kArraySize] = { |
| SkColor4f::FromColor(SK_ColorBLACK), |
| SkColor4f::FromColor(SK_ColorWHITE), |
| SkColor4f::FromColor(SK_ColorRED), |
| { 1.f, 2.f, 4.f, 8.f } |
| }; |
| TestArraySerialization(data, reporter); |
| } |
| |
| // Test readIntArray |
| { |
| int32_t data[kArraySize] = { 1, 2, 4, 8 }; |
| TestArraySerialization(data, reporter); |
| } |
| |
| // Test readPointArray |
| { |
| SkPoint data[kArraySize] = { {6, 7}, {42, 128} }; |
| TestArraySerialization(data, reporter); |
| } |
| |
| // Test readScalarArray |
| { |
| SkScalar data[kArraySize] = { SK_Scalar1, SK_ScalarHalf, SK_ScalarMax }; |
| TestArraySerialization(data, reporter); |
| } |
| |
| // Test skipByteArray |
| { |
| // Valid case with non-empty array: |
| { |
| unsigned char data[kArraySize] = { 1, 2, 3 }; |
| SkBinaryWriteBuffer writer; |
| writer.writeByteArray(data, kArraySize); |
| SkAutoMalloc buf(writer.bytesWritten()); |
| writer.writeToMemory(buf.get()); |
| |
| SkReadBuffer reader(buf.get(), writer.bytesWritten()); |
| size_t len = ~0; |
| const void* arr = reader.skipByteArray(&len); |
| REPORTER_ASSERT(reporter, arr); |
| REPORTER_ASSERT(reporter, len == kArraySize); |
| REPORTER_ASSERT(reporter, memcmp(arr, data, len) == 0); |
| } |
| |
| // Writing a zero length array (can be detected as valid by non-nullptr return): |
| { |
| SkBinaryWriteBuffer writer; |
| writer.writeByteArray(nullptr, 0); |
| SkAutoMalloc buf(writer.bytesWritten()); |
| writer.writeToMemory(buf.get()); |
| |
| SkReadBuffer reader(buf.get(), writer.bytesWritten()); |
| size_t len = ~0; |
| const void* arr = reader.skipByteArray(&len); |
| REPORTER_ASSERT(reporter, arr); |
| REPORTER_ASSERT(reporter, len == 0); |
| } |
| |
| // If the array can't be safely read, should return nullptr: |
| { |
| SkBinaryWriteBuffer writer; |
| writer.writeUInt(kArraySize); |
| SkAutoMalloc buf(writer.bytesWritten()); |
| writer.writeToMemory(buf.get()); |
| |
| SkReadBuffer reader(buf.get(), writer.bytesWritten()); |
| size_t len = ~0; |
| const void* arr = reader.skipByteArray(&len); |
| REPORTER_ASSERT(reporter, !arr); |
| REPORTER_ASSERT(reporter, len == 0); |
| } |
| } |
| |
| // Test invalid deserializations |
| { |
| SkImageInfo info = SkImageInfo::MakeN32Premul(kBitmapSize, kBitmapSize); |
| |
| SkBitmap validBitmap; |
| validBitmap.setInfo(info); |
| |
| // Create a bitmap with a really large height |
| SkBitmap invalidBitmap; |
| invalidBitmap.setInfo(info.makeWH(info.width(), 1000000000)); |
| |
| // The deserialization should succeed, and the rendering shouldn't crash, |
| // even when the device fails to initialize, due to its size |
| TestBitmapSerialization(validBitmap, invalidBitmap, true, reporter); |
| } |
| |
| // Test simple SkPicture serialization |
| { |
| SkPictureRecorder recorder; |
| draw_something(recorder.beginRecording(SkIntToScalar(kBitmapSize), |
| SkIntToScalar(kBitmapSize))); |
| sk_sp<SkPicture> pict(recorder.finishRecordingAsPicture()); |
| |
| // Serialize picture |
| SkBinaryWriteBuffer writer; |
| SkPicturePriv::Flatten(pict, writer); |
| size_t size = writer.bytesWritten(); |
| AutoTMalloc<unsigned char> data(size); |
| writer.writeToMemory(static_cast<void*>(data.get())); |
| |
| // Deserialize picture |
| SkReadBuffer reader(static_cast<void*>(data.get()), size); |
| sk_sp<SkPicture> readPict(SkPicturePriv::MakeFromBuffer(reader)); |
| REPORTER_ASSERT(reporter, reader.isValid()); |
| REPORTER_ASSERT(reporter, readPict.get()); |
| sk_sp<SkImage> img0 = render(*pict); |
| sk_sp<SkImage> img1 = render(*readPict); |
| if (img0 && img1) { |
| REPORTER_ASSERT(reporter, ToolUtils::equal_pixels(img0.get(), img1.get())); |
| } |
| } |
| |
| TestPictureTypefaceSerialization(nullptr, nullptr, reporter); |
| |
| SkSerialProcs serial_procs; |
| serial_procs.fTypefaceProc = serialize_typeface_proc; |
| SkDeserialProcs deserial_procs; |
| deserial_procs.fTypefaceProc = deserialize_typeface_proc; |
| TestPictureTypefaceSerialization(&serial_procs, &deserial_procs, reporter); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| static sk_sp<SkPicture> copy_picture_via_serialization(SkPicture* src) { |
| SkDynamicMemoryWStream wstream; |
| src->serialize(&wstream); |
| std::unique_ptr<SkStreamAsset> rstream(wstream.detachAsStream()); |
| return SkPicture::MakeFromStream(rstream.get()); |
| } |
| |
| struct AnnotationRec { |
| const SkRect fRect; |
| const char* fKey; |
| sk_sp<SkData> fValue; |
| }; |
| |
| class TestAnnotationCanvas : public SkCanvas { |
| skiatest::Reporter* fReporter; |
| const AnnotationRec* fRec; |
| int fCount; |
| int fCurrIndex; |
| |
| public: |
| TestAnnotationCanvas(skiatest::Reporter* reporter, const AnnotationRec rec[], int count) |
| : SkCanvas(100, 100) |
| , fReporter(reporter) |
| , fRec(rec) |
| , fCount(count) |
| , fCurrIndex(0) |
| {} |
| |
| ~TestAnnotationCanvas() override { |
| REPORTER_ASSERT(fReporter, fCount == fCurrIndex); |
| } |
| |
| protected: |
| void onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) override { |
| REPORTER_ASSERT(fReporter, fCurrIndex < fCount); |
| REPORTER_ASSERT(fReporter, rect == fRec[fCurrIndex].fRect); |
| REPORTER_ASSERT(fReporter, !strcmp(key, fRec[fCurrIndex].fKey)); |
| REPORTER_ASSERT(fReporter, value->equals(fRec[fCurrIndex].fValue.get())); |
| fCurrIndex += 1; |
| } |
| }; |
| |
| /* |
| * Test the 3 annotation types by recording them into a picture, serializing, and then playing |
| * them back into another canvas. |
| */ |
| DEF_TEST(Annotations, reporter) { |
| SkPictureRecorder recorder; |
| SkCanvas* recordingCanvas = recorder.beginRecording(SkRect::MakeWH(100, 100)); |
| |
| const char* str0 = "rect-with-url"; |
| const SkRect r0 = SkRect::MakeWH(10, 10); |
| sk_sp<SkData> d0(SkData::MakeWithCString(str0)); |
| SkAnnotateRectWithURL(recordingCanvas, r0, d0.get()); |
| |
| const char* str1 = "named-destination"; |
| const SkRect r1 = SkRect::MakeXYWH(5, 5, 0, 0); // collapsed to a point |
| sk_sp<SkData> d1(SkData::MakeWithCString(str1)); |
| SkAnnotateNamedDestination(recordingCanvas, {r1.x(), r1.y()}, d1.get()); |
| |
| const char* str2 = "link-to-destination"; |
| const SkRect r2 = SkRect::MakeXYWH(20, 20, 5, 6); |
| sk_sp<SkData> d2(SkData::MakeWithCString(str2)); |
| SkAnnotateLinkToDestination(recordingCanvas, r2, d2.get()); |
| |
| const AnnotationRec recs[] = { |
| { r0, SkAnnotationKeys::URL_Key(), std::move(d0) }, |
| { r1, SkAnnotationKeys::Define_Named_Dest_Key(), std::move(d1) }, |
| { r2, SkAnnotationKeys::Link_Named_Dest_Key(), std::move(d2) }, |
| }; |
| |
| sk_sp<SkPicture> pict0(recorder.finishRecordingAsPicture()); |
| sk_sp<SkPicture> pict1(copy_picture_via_serialization(pict0.get())); |
| |
| TestAnnotationCanvas canvas(reporter, recs, std::size(recs)); |
| canvas.drawPicture(pict1); |
| } |
| |
| DEF_TEST(WriteBuffer_storage, reporter) { |
| enum { |
| kSize = 32 |
| }; |
| int32_t storage[kSize/4]; |
| char src[kSize]; |
| sk_bzero(src, kSize); |
| |
| SkBinaryWriteBuffer writer(storage, kSize); |
| REPORTER_ASSERT(reporter, writer.usingInitialStorage()); |
| REPORTER_ASSERT(reporter, writer.bytesWritten() == 0); |
| writer.write(src, kSize - 4); |
| REPORTER_ASSERT(reporter, writer.usingInitialStorage()); |
| REPORTER_ASSERT(reporter, writer.bytesWritten() == kSize - 4); |
| writer.writeInt(0); |
| REPORTER_ASSERT(reporter, writer.usingInitialStorage()); |
| REPORTER_ASSERT(reporter, writer.bytesWritten() == kSize); |
| |
| writer.reset(storage, kSize-4); |
| REPORTER_ASSERT(reporter, writer.usingInitialStorage()); |
| REPORTER_ASSERT(reporter, writer.bytesWritten() == 0); |
| writer.write(src, kSize - 4); |
| REPORTER_ASSERT(reporter, writer.usingInitialStorage()); |
| REPORTER_ASSERT(reporter, writer.bytesWritten() == kSize - 4); |
| writer.writeInt(0); |
| REPORTER_ASSERT(reporter, !writer.usingInitialStorage()); // this is the change |
| REPORTER_ASSERT(reporter, writer.bytesWritten() == kSize); |
| } |
| |
| DEF_TEST(WriteBuffer_external_memory_textblob, reporter) { |
| SkFont font; |
| font.setTypeface(SkTypeface::MakeDefault()); |
| |
| SkTextBlobBuilder builder; |
| int glyph_count = 5; |
| const auto& run = builder.allocRun(font, glyph_count, 1.2f, 2.3f); |
| // allocRun() allocates only the glyph buffer. |
| std::fill(run.glyphs, run.glyphs + glyph_count, 0); |
| auto blob = builder.make(); |
| SkSerialProcs procs; |
| AutoTMalloc<uint8_t> storage; |
| size_t blob_size = 0u; |
| size_t storage_size = 0u; |
| |
| blob_size = SkAlign4(blob->serialize(procs)->size()); |
| REPORTER_ASSERT(reporter, blob_size > 4u); |
| storage_size = blob_size - 4; |
| storage.realloc(storage_size); |
| REPORTER_ASSERT(reporter, blob->serialize(procs, storage.get(), storage_size) == 0u); |
| storage_size = blob_size; |
| storage.realloc(storage_size); |
| REPORTER_ASSERT(reporter, blob->serialize(procs, storage.get(), storage_size) != 0u); |
| } |
| |
| DEF_TEST(WriteBuffer_external_memory_flattenable, reporter) { |
| SkScalar intervals[] = {1.f, 1.f}; |
| auto path_effect = SkDashPathEffect::Make(intervals, 2, 0); |
| size_t path_size = SkAlign4(path_effect->serialize()->size()); |
| REPORTER_ASSERT(reporter, path_size > 4u); |
| AutoTMalloc<uint8_t> storage; |
| |
| size_t storage_size = path_size - 4; |
| storage.realloc(storage_size); |
| REPORTER_ASSERT(reporter, path_effect->serialize(storage.get(), storage_size) == 0u); |
| |
| storage_size = path_size; |
| storage.realloc(storage_size); |
| REPORTER_ASSERT(reporter, path_effect->serialize(storage.get(), storage_size) != 0u); |
| } |
| |
| DEF_TEST(ReadBuffer_empty, reporter) { |
| SkBinaryWriteBuffer writer; |
| writer.writeInt(123); |
| writer.writeDataAsByteArray(SkData::MakeEmpty().get()); |
| writer.writeInt(321); |
| |
| size_t size = writer.bytesWritten(); |
| SkAutoMalloc storage(size); |
| writer.writeToMemory(storage.get()); |
| |
| SkReadBuffer reader(storage.get(), size); |
| REPORTER_ASSERT(reporter, reader.readInt() == 123); |
| auto data = reader.readByteArrayAsData(); |
| REPORTER_ASSERT(reporter, data->size() == 0); |
| REPORTER_ASSERT(reporter, reader.readInt() == 321); |
| } |