| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef _SkTestImageFilters_h |
| #define _SkTestImageFilters_h |
| |
| #include "SkImageFilter.h" |
| #include "SkPoint.h" |
| |
| // Fun mode that scales down (only) and then scales back up to look pixelated |
| class SK_API SkDownSampleImageFilter : public SkImageFilter { |
| public: |
| static SkImageFilter* Create(SkScalar scale, SkImageFilter* input = NULL) { |
| if (!SkScalarIsFinite(scale)) { |
| return NULL; |
| } |
| // we don't support scale in this range |
| if (scale > SK_Scalar1 || scale <= 0) { |
| return NULL; |
| } |
| return new SkDownSampleImageFilter(scale, input); |
| } |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDownSampleImageFilter) |
| |
| protected: |
| void flatten(SkWriteBuffer&) const override; |
| bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, SkBitmap* result, |
| SkIPoint* loc) const override; |
| |
| private: |
| SkDownSampleImageFilter(SkScalar scale, SkImageFilter* input) |
| : INHERITED(1, &input), fScale(scale) {} |
| |
| SkScalar fScale; |
| |
| typedef SkImageFilter INHERITED; |
| }; |
| |
| #endif |