SkImageSource

tests/ImageFilterTest.cpp

 /*
  * 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 "SkBitmap.h"
 #include "SkBitmapDevice.h"
 #include "SkBitmapSource.h"
 #include "SkBlurImageFilter.h"
 #include "SkCanvas.h"
 #include "SkColorFilterImageFilter.h"
 #include "SkColorMatrixFilter.h"
 #include "SkComposeImageFilter.h"
 #include "SkDisplacementMapEffect.h"
 #include "SkDropShadowImageFilter.h"
 #include "SkFlattenableSerialization.h"
 #include "SkGradientShader.h"
+#include "SkImageSource.h"
 #include "SkLightingImageFilter.h"
 #include "SkMatrixConvolutionImageFilter.h"
 #include "SkMergeImageFilter.h"
 #include "SkMorphologyImageFilter.h"
 #include "SkOffsetImageFilter.h"
 #include "SkPerlinNoiseShader.h"
 #include "SkPicture.h"
 #include "SkPictureImageFilter.h"
 #include "SkPictureRecorder.h"
 #include "SkPoint3.h"
 #include "SkReadBuffer.h"
 #include "SkRect.h"
 #include "SkRectShaderImageFilter.h"
+#include "SkSurface.h"
 #include "SkTableColorFilter.h"
 #include "SkTileImageFilter.h"
 #include "SkXfermodeImageFilter.h"
 #include "Test.h"
 
 #if SK_SUPPORT_GPU
 #include "GrContextFactory.h"
 #include "SkGpuDevice.h"
 #endif
 
@@ skipping 1162 matching lines @@
     REPORTER_ASSERT(reporter, !identityCF->affectsTransparentBlack());
     REPORTER_ASSERT(reporter, identityFilter->canComputeFastBounds());
 
     SkAutoTUnref<SkColorFilter> forceOpaqueCF(
         SkTableColorFilter::CreateARGB(allOne, identity, identity, identity));
     SkAutoTUnref<SkImageFilter> forceOpaque(SkColorFilterImageFilter::Create(forceOpaqueCF.get()));
     REPORTER_ASSERT(reporter, forceOpaqueCF->affectsTransparentBlack());
     REPORTER_ASSERT(reporter, !forceOpaque->canComputeFastBounds());
 }
 
+// Verify that SkImageSource survives serialization
+DEF_TEST(ImageFilterImageSourceSerialization, reporter) {
+    SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(10, 10));
+    surface->getCanvas()->clear(SK_ColorGREEN);
+    SkAutoTUnref<SkImage> image(surface->newImageSnapshot());
+    SkAutoTUnref<SkImageFilter> filter(SkImageSource::Create(image));
+
+    SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(filter));
+    SkAutoTUnref<SkFlattenable> flattenable(SkValidatingDeserializeFlattenable(
+        data->data(), data->size(), SkImageFilter::GetFlattenableType()));
+    SkImageFilter* unflattenedFilter = static_cast<SkImageFilter*>(flattenable.get());
+    REPORTER_ASSERT(reporter, unflattenedFilter);
+
+    SkBitmap bm;
+    bm.allocN32Pixels(10, 10);
+    SkPaint paint;
+    paint.setColor(SK_ColorRED);
+    paint.setImageFilter(unflattenedFilter);
+
+    SkCanvas canvas(bm);
+    canvas.drawRect(SkRect::MakeWH(10, 10), paint);
+    REPORTER_ASSERT(reporter, *bm.getAddr32(0, 0) == SkPreMultiplyColor(SK_ColorGREEN));
+}
+
 #if SK_SUPPORT_GPU
 
 DEF_GPUTEST(ImageFilterCropRectGPU, reporter, factory) {
     GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
     if (nullptr == context) {
         return;
     }
     const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
 
     SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
@@ skipping 54 matching lines @@
                                                          SkSurface::kNo_Budgeted,
                                                          SkImageInfo::MakeN32Premul(1, 1),
                                                          0,
                                                          &props,
                                                          SkGpuDevice::kUninit_InitContents));
     SkImageFilter::Proxy proxy(device);
 
     test_negative_blur_sigma(&proxy, reporter);
 }
 #endif