1f2f338e23
https://codereview.chromium.org/22978012/ git-svn-id: http://skia.googlecode.com/svn/trunk@10995 2bbb7eff-a529-9590-31e7-b0007b416f81
96 lines
3.3 KiB
C++
96 lines
3.3 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 "gm.h"
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#include "SkBitmapSource.h"
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#include "SkBlurImageFilter.h"
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#include "SkColorFilter.h"
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#include "SkColorMatrixFilter.h"
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#include "SkColorFilterImageFilter.h"
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#include "SkMergeImageFilter.h"
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#include "SkMorphologyImageFilter.h"
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#include "SkXfermodeImageFilter.h"
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#include "SkTestImageFilters.h"
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///////////////////////////////////////////////////////////////////////////////
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class ImageFiltersGraphGM : public skiagm::GM {
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public:
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ImageFiltersGraphGM() : fInitialized(false) {}
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protected:
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virtual SkString onShortName() {
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return SkString("imagefiltersgraph");
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}
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void make_bitmap() {
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fBitmap.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
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fBitmap.allocPixels();
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SkBitmapDevice device(fBitmap);
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SkCanvas canvas(&device);
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canvas.clear(0x00000000);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(0xFFFFFFFF);
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paint.setTextSize(SkIntToScalar(96));
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const char* str = "e";
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canvas.drawText(str, strlen(str), SkIntToScalar(20), SkIntToScalar(70), paint);
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}
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virtual SkISize onISize() { return SkISize::Make(200, 100); }
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virtual void onDraw(SkCanvas* canvas) {
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if (!fInitialized) {
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this->make_bitmap();
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fInitialized = true;
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}
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canvas->clear(0x00000000);
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{
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SkAutoTUnref<SkImageFilter> bitmapSource(new SkBitmapSource(fBitmap));
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SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED,
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SkXfermode::kSrcIn_Mode));
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SkAutoTUnref<SkImageFilter> blur(new SkBlurImageFilter(4.0f, 4.0f, bitmapSource));
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SkAutoTUnref<SkImageFilter> erode(new SkErodeImageFilter(4, 4, blur));
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SkAutoTUnref<SkImageFilter> color(SkColorFilterImageFilter::Create(cf, erode));
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SkAutoTUnref<SkImageFilter> merge(new SkMergeImageFilter(blur, color));
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SkPaint paint;
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paint.setImageFilter(merge);
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canvas->drawPaint(paint);
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}
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{
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SkAutoTUnref<SkImageFilter> morph(new SkDilateImageFilter(5, 5));
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SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0,
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0, SK_Scalar1, 0, 0, 0,
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0, 0, SK_Scalar1, 0, 0,
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0, 0, 0, SkFloatToScalar(0.5f), 0 };
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SkAutoTUnref<SkColorFilter> matrixFilter(new SkColorMatrixFilter(matrix));
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SkAutoTUnref<SkImageFilter> colorMorph(SkColorFilterImageFilter::Create(matrixFilter, morph));
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SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(SkXfermode::kSrcOver_Mode));
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SkAutoTUnref<SkImageFilter> blendColor(new SkXfermodeImageFilter(mode, colorMorph));
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SkPaint paint;
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paint.setImageFilter(blendColor);
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canvas->drawBitmap(fBitmap, 100, 0, &paint);
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}
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}
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private:
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typedef GM INHERITED;
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SkBitmap fBitmap;
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bool fInitialized;
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};
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///////////////////////////////////////////////////////////////////////////////
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static skiagm::GM* MyFactory(void*) { return new ImageFiltersGraphGM; }
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static skiagm::GMRegistry reg(MyFactory);
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