cac5fd597f
This is part of an effort to ensure that all SkPaint effects can only be allocated on the heap. This patch makes the constructors of SkImageFilter and its subclasses non-public and instead provides factory methods for creating these objects on the heap. We temporarily keep constructor of publicly visible classes public behind a flag. BUG=skia:2187 R=scroggo@google.com, mtklein@chromium.org, reed@google.com, senorblanco@google.com, senorblanco@chromium.org, bsalomon@google.com, sugoi@chromium.org, zork@chromium.org Author: dominikg@chromium.org Review URL: https://codereview.chromium.org/182983003 git-svn-id: http://skia.googlecode.com/svn/trunk@13718 2bbb7eff-a529-9590-31e7-b0007b416f81
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBenchmark.h"
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#include "SkCanvas.h"
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#include "SkPaint.h"
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#include "SkRandom.h"
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#include "SkString.h"
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#include "SkMatrixConvolutionImageFilter.h"
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class MatrixConvolutionBench : public SkBenchmark {
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public:
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MatrixConvolutionBench(SkMatrixConvolutionImageFilter::TileMode tileMode, bool convolveAlpha)
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: fName("matrixconvolution") {
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SkISize kernelSize = SkISize::Make(3, 3);
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SkScalar kernel[9] = {
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SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
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SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1),
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SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
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};
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SkScalar gain = 0.3f, bias = SkIntToScalar(100);
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SkIPoint target = SkIPoint::Make(1, 1);
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fFilter = SkMatrixConvolutionImageFilter::Create(kernelSize, kernel, gain, bias, target, tileMode, convolveAlpha);
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}
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~MatrixConvolutionBench() {
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fFilter->unref();
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}
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protected:
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virtual const char* onGetName() {
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return fName.c_str();
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}
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virtual void onDraw(const int loops, SkCanvas* canvas) {
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SkPaint paint;
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this->setupPaint(&paint);
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paint.setAntiAlias(true);
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SkRandom rand;
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for (int i = 0; i < loops; i++) {
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SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
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rand.nextUScalar1() * 400);
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paint.setImageFilter(fFilter);
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canvas->drawOval(r, paint);
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}
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}
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private:
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typedef SkBenchmark INHERITED;
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SkMatrixConvolutionImageFilter* fFilter;
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SkString fName;
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};
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DEF_BENCH( return new MatrixConvolutionBench(SkMatrixConvolutionImageFilter::kClamp_TileMode, true); )
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DEF_BENCH( return new MatrixConvolutionBench(SkMatrixConvolutionImageFilter::kRepeat_TileMode, true); )
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DEF_BENCH( return new MatrixConvolutionBench(SkMatrixConvolutionImageFilter::kClampToBlack_TileMode, true); )
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DEF_BENCH( return new MatrixConvolutionBench(SkMatrixConvolutionImageFilter::kClampToBlack_TileMode, false); )
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