| /* |
| * 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 "gm.h" |
| |
| #include "SkBitmapSource.h" |
| #include "SkBlurImageFilter.h" |
| #include "SkColorFilter.h" |
| #include "SkColorMatrixFilter.h" |
| #include "SkColorFilterImageFilter.h" |
| #include "SkMergeImageFilter.h" |
| #include "SkMorphologyImageFilter.h" |
| #include "SkXfermodeImageFilter.h" |
| |
| #include "SkTestImageFilters.h" |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| class ImageFiltersGraphGM : public skiagm::GM { |
| public: |
| ImageFiltersGraphGM() : fInitialized(false) {} |
| |
| protected: |
| virtual SkString onShortName() { |
| return SkString("imagefiltersgraph"); |
| } |
| |
| void make_bitmap() { |
| fBitmap.setConfig(SkBitmap::kARGB_8888_Config, 100, 100); |
| fBitmap.allocPixels(); |
| SkDevice device(fBitmap); |
| SkCanvas canvas(&device); |
| canvas.clear(0x00000000); |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| paint.setColor(0xFFFFFFFF); |
| paint.setTextSize(SkIntToScalar(96)); |
| const char* str = "e"; |
| canvas.drawText(str, strlen(str), SkIntToScalar(20), SkIntToScalar(70), paint); |
| } |
| |
| virtual SkISize onISize() { return SkISize::Make(200, 100); } |
| |
| virtual void onDraw(SkCanvas* canvas) { |
| if (!fInitialized) { |
| this->make_bitmap(); |
| fInitialized = true; |
| } |
| canvas->clear(0x00000000); |
| { |
| SkAutoTUnref<SkImageFilter> bitmapSource(new SkBitmapSource(fBitmap)); |
| SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, |
| SkXfermode::kSrcIn_Mode)); |
| SkAutoTUnref<SkImageFilter> blur(new SkBlurImageFilter(4.0f, 4.0f, bitmapSource)); |
| SkAutoTUnref<SkImageFilter> erode(new SkErodeImageFilter(4, 4, blur)); |
| SkAutoTUnref<SkImageFilter> color(SkColorFilterImageFilter::Create(cf, erode)); |
| SkAutoTUnref<SkImageFilter> merge(new SkMergeImageFilter(blur, color)); |
| |
| SkPaint paint; |
| paint.setImageFilter(merge); |
| canvas->drawPaint(paint); |
| } |
| { |
| SkAutoTUnref<SkImageFilter> morph(new SkDilateImageFilter(5, 5)); |
| |
| SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0, |
| 0, SK_Scalar1, 0, 0, 0, |
| 0, 0, SK_Scalar1, 0, 0, |
| 0, 0, 0, SkFloatToScalar(0.5f), 0 }; |
| |
| SkAutoTUnref<SkColorFilter> matrixFilter(new SkColorMatrixFilter(matrix)); |
| SkAutoTUnref<SkImageFilter> colorMorph(SkColorFilterImageFilter::Create(matrixFilter, morph)); |
| SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(SkXfermode::kSrcOver_Mode)); |
| SkAutoTUnref<SkImageFilter> blendColor(new SkXfermodeImageFilter(mode, colorMorph)); |
| |
| SkPaint paint; |
| paint.setImageFilter(blendColor); |
| canvas->drawBitmap(fBitmap, 100, 0, &paint); |
| } |
| } |
| |
| private: |
| typedef GM INHERITED; |
| SkBitmap fBitmap; |
| bool fInitialized; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static skiagm::GM* MyFactory(void*) { return new ImageFiltersGraphGM; } |
| static skiagm::GMRegistry reg(MyFactory); |