123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798 |
- /*
- * 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/SkCanvas.h"
- #include "include/core/SkImage.h"
- #include "include/core/SkMallocPixelRef.h"
- #include "include/core/SkPictureRecorder.h"
- #include "include/core/SkTextBlob.h"
- #include "include/core/SkTypeface.h"
- #include "include/effects/SkDashPathEffect.h"
- #include "include/effects/SkImageSource.h"
- #include "include/effects/SkTableColorFilter.h"
- #include "include/effects/SkXfermodeImageFilter.h"
- #include "include/private/SkFixed.h"
- #include "include/private/SkTemplates.h"
- #include "src/core/SkAnnotationKeys.h"
- #include "src/core/SkFontDescriptor.h"
- #include "src/core/SkMakeUnique.h"
- #include "src/core/SkMatrixPriv.h"
- #include "src/core/SkNormalSource.h"
- #include "src/core/SkOSFile.h"
- #include "src/core/SkPicturePriv.h"
- #include "src/core/SkReadBuffer.h"
- #include "src/core/SkWriteBuffer.h"
- #include "src/shaders/SkLightingShader.h"
- #include "src/shaders/SkShaderBase.h"
- #include "tests/Test.h"
- #include "tools/Resources.h"
- #include "tools/ToolUtils.h"
- 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(SkImage::MakeFromBitmap(validBitmap));
- sk_sp<SkImageFilter> validBitmapSource(SkImageSource::Make(std::move(validImage)));
- sk_sp<SkImage> invalidImage(SkImage::MakeFromBitmap(invalidBitmap));
- sk_sp<SkImageFilter> invalidBitmapSource(SkImageSource::Make(std::move(invalidImage)));
- sk_sp<SkImageFilter> xfermodeImageFilter(
- SkXfermodeImageFilter::Make(SkBlendMode::kSrcOver,
- std::move(invalidBitmapSource),
- std::move(validBitmapSource), nullptr));
- sk_sp<SkImageFilter> deserializedFilter(
- TestFlattenableSerialization<SkImageFilter>(
- 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.drawBitmap(bitmap, 0, 0, &paint);
- }
- }
- static void TestColorFilterSerialization(skiatest::Reporter* reporter) {
- uint8_t table[256];
- for (int i = 0; i < 256; ++i) {
- table[i] = (i * 41) % 256;
- }
- auto colorFilter(SkTableColorFilter::Make(table));
- sk_sp<SkColorFilter> copy(
- TestFlattenableSerialization<SkColorFilter>(colorFilter.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 void serialize_and_compare_typeface(sk_sp<SkTypeface> typeface, const char* text,
- 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()),
- nullptr, 0);
- 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);
- std::unique_ptr<SkStream> inputStream(stream.detachAsStream());
- sk_sp<SkPicture> loadedPicture(SkPicture::MakeFromStream(inputStream.get()));
- // 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 void TestPictureTypefaceSerialization(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!", reporter);
- }
- }
- {
- // Load typeface as stream to create with axis settings.
- std::unique_ptr<SkStreamAsset> distortable(GetResourceAsStream("fonts/Distortable.ttf"));
- if (!distortable) {
- INFOF(reporter, "Could not run fontstream test because Distortable.ttf not found.");
- } else {
- SkFixed axis = SK_FixedSqrt2;
- sk_sp<SkTypeface> typeface(SkTypeface::MakeFromFontData(
- skstd::make_unique<SkFontData>(std::move(distortable), 0, &axis, 1)));
- if (!typeface) {
- INFOF(reporter, "Could not run fontstream test because Distortable.ttf not created.");
- } else {
- serialize_and_compare_typeface(std::move(typeface), "ab", reporter);
- }
- }
- }
- }
- static void setup_bitmap_for_canvas(SkBitmap* bitmap) {
- bitmap->allocN32Pixels(kBitmapSize, kBitmapSize);
- }
- static void make_checkerboard_bitmap(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();
- }
- }
- }
- static void draw_something(SkCanvas* canvas) {
- SkPaint paint;
- SkBitmap bitmap;
- make_checkerboard_bitmap(bitmap);
- canvas->save();
- canvas->scale(0.5f, 0.5f);
- canvas->drawBitmap(bitmap, 0, 0, nullptr);
- canvas->restore();
- 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 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),
- nullptr, 0));
- sk_sp<SkPicture> pict(recorder.finishRecordingAsPicture());
- // Serialize picture
- SkBinaryWriteBuffer writer;
- SkPicturePriv::Flatten(pict, writer);
- size_t size = writer.bytesWritten();
- SkAutoTMalloc<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(reporter);
- // Test SkLightingShader/NormalMapSource serialization
- {
- const int kTexSize = 2;
- SkLights::Builder builder;
- builder.add(SkLights::Light::MakeDirectional(SkColor3f::Make(1.0f, 1.0f, 1.0f),
- SkVector3::Make(1.0f, 0.0f, 0.0f)));
- builder.setAmbientLightColor(SkColor3f::Make(0.2f, 0.2f, 0.2f));
- sk_sp<SkLights> fLights = builder.finish();
- SkBitmap diffuse = ToolUtils::create_checkerboard_bitmap(
- kTexSize, kTexSize, 0x00000000, ToolUtils::color_to_565(0xFF804020), 8);
- SkRect bitmapBounds = SkRect::MakeIWH(diffuse.width(), diffuse.height());
- SkMatrix matrix;
- SkRect r = SkRect::MakeWH(SkIntToScalar(kTexSize), SkIntToScalar(kTexSize));
- matrix.setRectToRect(bitmapBounds, r, SkMatrix::kFill_ScaleToFit);
- SkMatrix ctm;
- ctm.setRotate(45);
- SkBitmap normals;
- normals.allocN32Pixels(kTexSize, kTexSize);
- ToolUtils::create_frustum_normal_map(&normals, SkIRect::MakeWH(kTexSize, kTexSize));
- sk_sp<SkShader> normalMap = normals.makeShader(&matrix);
- sk_sp<SkNormalSource> normalSource = SkNormalSource::MakeFromNormalMap(std::move(normalMap),
- ctm);
- sk_sp<SkShader> diffuseShader = diffuse.makeShader(&matrix);
- sk_sp<SkShader> lightingShader = SkLightingShader::Make(diffuseShader,
- normalSource,
- fLights);
- sk_sp<SkShader>(TestFlattenableSerialization(as_SB(lightingShader.get()), true, reporter));
- lightingShader = SkLightingShader::Make(std::move(diffuseShader),
- nullptr,
- fLights);
- sk_sp<SkShader>(TestFlattenableSerialization(as_SB(lightingShader.get()), true, reporter));
- lightingShader = SkLightingShader::Make(nullptr,
- std::move(normalSource),
- fLights);
- sk_sp<SkShader>(TestFlattenableSerialization(as_SB(lightingShader.get()), true, reporter));
- lightingShader = SkLightingShader::Make(nullptr,
- nullptr,
- fLights);
- sk_sp<SkShader>(TestFlattenableSerialization(as_SB(lightingShader.get()), true, reporter));
- }
- }
- ///////////////////////////////////////////////////////////////////////////////////////////////////
- #include "include/core/SkAnnotation.h"
- 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() {
- REPORTER_ASSERT(fReporter, fCount == fCurrIndex);
- }
- protected:
- void onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
- 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, SK_ARRAY_COUNT(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;
- SkAutoTMalloc<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);
- SkAutoTMalloc<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);
- }
|