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      1 /*
      2  * Copyright 2012 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 "SkBitmap.h"
      9 #include "SkCanvas.h"
     10 #include "SkColor.h"
     11 #include "SkColorFilter.h"
     12 #include "SkGradientShader.h"
     13 #include "SkPaint.h"
     14 #include "SkPictureFlat.h"
     15 #include "SkShader.h"
     16 #include "SkXfermode.h"
     17 #include "Test.h"
     18 
     19 struct SkFlattenableTraits {
     20     static void Flatten(SkWriteBuffer& buffer, const SkFlattenable& flattenable) {
     21         buffer.writeFlattenable(&flattenable);
     22     }
     23 };
     24 
     25 class Controller : public SkChunkFlatController {
     26 public:
     27     Controller() : INHERITED(1024) {
     28         this->INHERITED::setNamedFactorySet(SkNEW(SkNamedFactorySet))->unref();
     29     }
     30 private:
     31     typedef SkChunkFlatController INHERITED;
     32 };
     33 
     34 /**
     35  * Verify that two SkFlatData objects that created from the same object are
     36  * identical when using an SkNamedFactorySet.
     37  * @param reporter Object to report failures.
     38  * @param obj Flattenable object to be flattened.
     39  * @param flattenProc Function that flattens objects with the same type as obj.
     40  */
     41 template <typename Traits, typename T>
     42 static void testCreate(skiatest::Reporter* reporter, const T& obj) {
     43     Controller controller;
     44     // No need to delete data because that will be taken care of by the controller.
     45     SkFlatData* data1 = SkFlatData::Create<Traits>(&controller, obj, 0);
     46     SkFlatData* data2 = SkFlatData::Create<Traits>(&controller, obj, 1);
     47     REPORTER_ASSERT(reporter, *data1 == *data2);
     48 }
     49 
     50 DEF_TEST(FlatData, reporter) {
     51     // Test flattening SkShader
     52     SkPoint points[2];
     53     points[0].set(0, 0);
     54     points[1].set(SkIntToScalar(20), SkIntToScalar(20));
     55     SkColor colors[2];
     56     colors[0] = SK_ColorRED;
     57     colors[1] = SK_ColorBLUE;
     58 
     59     SkAutoTUnref<SkShader> shader(SkGradientShader::CreateLinear(points, colors, NULL, 2,
     60                                                                  SkShader::kRepeat_TileMode));
     61     testCreate<SkFlattenableTraits>(reporter, *shader);
     62 
     63     // Test SkColorFilter
     64     SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateLightingFilter(SK_ColorBLUE, SK_ColorRED));
     65     testCreate<SkFlattenableTraits>(reporter, *cf);
     66 
     67     // Test SkXfermode
     68     SkAutoTUnref<SkXfermode> xfer(SkXfermode::Create(SkXfermode::kDstOver_Mode));
     69     testCreate<SkFlattenableTraits>(reporter, *xfer);
     70 }
     71