skia2/tests/FlatDataTest.cpp

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/*
* Copyright 2012 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 "SkCanvas.h"
#include "SkColor.h"
#include "SkColorFilter.h"
#include "SkGradientShader.h"
#include "SkPaint.h"
#include "SkPictureFlat.h"
#include "SkShader.h"
#include "SkXfermode.h"
#include "Test.h"
static void flattenFlattenableProc(SkOrderedWriteBuffer& buffer,
const void* obj) {
buffer.writeFlattenable((SkFlattenable*)obj);
}
class Controller : public SkChunkFlatController {
public:
Controller() : INHERITED(1024) {
this->INHERITED::setNamedFactorySet(SkNEW(SkNamedFactorySet))->unref();
}
private:
typedef SkChunkFlatController INHERITED;
};
/**
* Verify that two SkFlatData objects that created from the same object are
* identical when using an SkNamedFactorySet.
* @param reporter Object to report failures.
* @param obj Flattenable object to be flattened.
* @param flattenProc Function that flattens objects with the same type as obj.
*/
static void testCreate(skiatest::Reporter* reporter, const void* obj,
void (*flattenProc)(SkOrderedWriteBuffer&, const void*)) {
Controller controller;
// No need to delete data because that will be taken care of by the
// controller.
SkFlatData* data1 = SkFlatData::Create(&controller, obj, 0, flattenProc);
data1->setSentinelInCache();
SkFlatData* data2 = SkFlatData::Create(&controller, obj, 1, flattenProc);
data2->setSentinelAsCandidate();
REPORTER_ASSERT(reporter, SkFlatData::Compare(data1, data2) == 0);
}
static void Tests(skiatest::Reporter* reporter) {
// Test flattening SkShader
SkPoint points[2];
points[0].set(0, 0);
points[1].set(SkIntToScalar(20), SkIntToScalar(20));
SkColor colors[2];
colors[0] = SK_ColorRED;
colors[1] = SK_ColorBLUE;
SkShader* shader = SkGradientShader::CreateLinear(points, colors, NULL,
2, SkShader::kRepeat_TileMode);
SkAutoUnref aur(shader);
testCreate(reporter, shader, flattenFlattenableProc);
// Test SkBitmap
{
SkBitmap bm;
bm.setConfig(SkBitmap::kARGB_8888_Config, 50, 50);
bm.allocPixels();
SkCanvas canvas(bm);
SkPaint paint;
paint.setShader(shader);
canvas.drawPaint(paint);
testCreate(reporter, &bm, &SkFlattenObjectProc<SkBitmap>);
}
// Test SkColorFilter
SkColorFilter* cf = SkColorFilter::CreateLightingFilter(SK_ColorBLUE,
SK_ColorRED);
SkAutoUnref aurcf(cf);
testCreate(reporter, cf, &flattenFlattenableProc);
// Test SkXfermode
SkXfermode* xfer = SkXfermode::Create(SkXfermode::kDstOver_Mode);
SkAutoUnref aurxf(xfer);
testCreate(reporter, xfer, &flattenFlattenableProc);
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("FlatData", FlatDataClass, Tests)