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/*
* 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 "SkCanvas.h"
#include "SkRRect.h"
#include "SkSurface.h"
#include "Test.h"
#if SK_SUPPORT_GPU
#include "GrContextFactory.h"
#else
class GrContextFactory;
class GrContext;
#endif
enum SurfaceType {
kRaster_SurfaceType,
kGpu_SurfaceType,
kPicture_SurfaceType
};
static SkSurface* createSurface(SurfaceType surfaceType, GrContext* context) {
static const SkImage::Info imageSpec = {
10, // width
10, // height
SkImage::kPMColor_ColorType,
SkImage::kPremul_AlphaType
};
switch (surfaceType) {
case kRaster_SurfaceType:
return SkSurface::NewRaster(imageSpec);
case kGpu_SurfaceType:
#if SK_SUPPORT_GPU
SkASSERT(NULL != context);
return SkSurface::NewRenderTarget(context, imageSpec);
#else
SkASSERT(0);
#endif
case kPicture_SurfaceType:
return SkSurface::NewPicture(10, 10);
}
SkASSERT(0);
return NULL;
}
static void TestSurfaceCopyOnWrite(skiatest::Reporter* reporter, SurfaceType surfaceType,
GrContext* context) {
// Verify that the right canvas commands trigger a copy on write
SkSurface* surface = createSurface(surfaceType, context);
SkAutoTUnref<SkSurface> aur_surface(surface);
SkCanvas* canvas = surface->getCanvas();
const SkRect testRect =
SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(4), SkIntToScalar(5));
SkMatrix testMatrix;
testMatrix.reset();
testMatrix.setScale(SkIntToScalar(2), SkIntToScalar(3));
SkPath testPath;
testPath.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(2), SkIntToScalar(1)));
const SkIRect testIRect = SkIRect::MakeXYWH(0, 0, 2, 1);
SkRegion testRegion;
testRegion.setRect(testIRect);
const SkColor testColor = 0x01020304;
const SkPaint testPaint;
const SkPoint testPoints[3] = {
{SkIntToScalar(0), SkIntToScalar(0)},
{SkIntToScalar(2), SkIntToScalar(1)},
{SkIntToScalar(0), SkIntToScalar(2)}
};
const size_t testPointCount = 3;
SkBitmap testBitmap;
testBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
testBitmap.allocPixels();
SkRRect testRRect;
testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1);
SkString testText("Hello World");
const SkPoint testPoints2[] = {
{ SkIntToScalar(0), SkIntToScalar(1) },
{ SkIntToScalar(1), SkIntToScalar(1) },
{ SkIntToScalar(2), SkIntToScalar(1) },
{ SkIntToScalar(3), SkIntToScalar(1) },
{ SkIntToScalar(4), SkIntToScalar(1) },
{ SkIntToScalar(5), SkIntToScalar(1) },
{ SkIntToScalar(6), SkIntToScalar(1) },
{ SkIntToScalar(7), SkIntToScalar(1) },
{ SkIntToScalar(8), SkIntToScalar(1) },
{ SkIntToScalar(9), SkIntToScalar(1) },
{ SkIntToScalar(10), SkIntToScalar(1) },
};
#define EXPECT_COPY_ON_WRITE(command) \
{ \
SkImage* imageBefore = surface->newImageShapshot(); \
SkAutoTUnref<SkImage> aur_before(imageBefore); \
canvas-> command ; \
SkImage* imageAfter = surface->newImageShapshot(); \
SkAutoTUnref<SkImage> aur_after(imageAfter); \
REPORTER_ASSERT(reporter, imageBefore != imageAfter); \
}
EXPECT_COPY_ON_WRITE(clear(testColor))
EXPECT_COPY_ON_WRITE(drawPaint(testPaint))
EXPECT_COPY_ON_WRITE(drawPoints(SkCanvas::kPoints_PointMode, testPointCount, testPoints, \
testPaint))
EXPECT_COPY_ON_WRITE(drawOval(testRect, testPaint))
EXPECT_COPY_ON_WRITE(drawRect(testRect, testPaint))
EXPECT_COPY_ON_WRITE(drawRRect(testRRect, testPaint))
EXPECT_COPY_ON_WRITE(drawPath(testPath, testPaint))
EXPECT_COPY_ON_WRITE(drawBitmap(testBitmap, 0, 0))
EXPECT_COPY_ON_WRITE(drawBitmapRect(testBitmap, NULL, testRect))
EXPECT_COPY_ON_WRITE(drawBitmapMatrix(testBitmap, testMatrix, NULL))
EXPECT_COPY_ON_WRITE(drawBitmapNine(testBitmap, testIRect, testRect, NULL))
EXPECT_COPY_ON_WRITE(drawSprite(testBitmap, 0, 0, NULL))
EXPECT_COPY_ON_WRITE(drawText(testText.c_str(), testText.size(), 0, 1, testPaint))
EXPECT_COPY_ON_WRITE(drawPosText(testText.c_str(), testText.size(), testPoints2, \
testPaint))
EXPECT_COPY_ON_WRITE(drawTextOnPath(testText.c_str(), testText.size(), testPath, NULL, \
testPaint))
}
static void TestSurface(skiatest::Reporter* reporter) {
TestSurfaceCopyOnWrite(reporter, kRaster_SurfaceType, NULL);
TestSurfaceCopyOnWrite(reporter, kPicture_SurfaceType, NULL);
}
static void TestSurfaceGpu(skiatest::Reporter* reporter, GrContextFactory* factory) {
#if SK_SUPPORT_GPU
GrContext* context = factory->get(GrContextFactory::kNative_GLContextType);
TestSurfaceCopyOnWrite(reporter, kGpu_SurfaceType, context);
#endif
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("Surface", SurfaceTestClass, TestSurface)
DEFINE_GPUTESTCLASS("SurfaceGpu", SurfaceGpuTestClass, TestSurfaceGpu)
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