1781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com/* 2781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com * Copyright 2013 Google Inc. 3781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com * 4781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com * Use of this source code is governed by a BSD-style license that can be 5781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com * found in the LICENSE file. 6781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com */ 7781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com 8781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com#ifndef SkDisplacementMapEffect_DEFINED 9781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com#define SkDisplacementMapEffect_DEFINED 10781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com 11781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com#include "SkImageFilter.h" 12781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com#include "SkBitmap.h" 13781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com 14781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.comclass SK_API SkDisplacementMapEffect : public SkImageFilter { 15781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.compublic: 16781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com enum ChannelSelectorType { 17781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com kUnknown_ChannelSelectorType, 18781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com kR_ChannelSelectorType, 19781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com kG_ChannelSelectorType, 20781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com kB_ChannelSelectorType, 21cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org kA_ChannelSelectorType 22781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com }; 23781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com 24781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com ~SkDisplacementMapEffect(); 25781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com 26cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org static SkDisplacementMapEffect* Create(ChannelSelectorType xChannelSelector, 27cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org ChannelSelectorType yChannelSelector, 28cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org SkScalar scale, SkImageFilter* displacement, 29cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org SkImageFilter* color = NULL, 30cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org const CropRect* cropRect = NULL) { 31cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org return SkNEW_ARGS(SkDisplacementMapEffect, (xChannelSelector, yChannelSelector, scale, 32cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org displacement, color, cropRect)); 33cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org } 34cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org 35781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDisplacementMapEffect) 36781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com 37781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com virtual bool onFilterImage(Proxy* proxy, 38781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com const SkBitmap& src, 394cb543d6057b692e1099e9f115155f0bf323a0c8senorblanco@chromium.org const Context& ctx, 40781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com SkBitmap* dst, 41ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org SkIPoint* offset) const SK_OVERRIDE; 42336d1d759590d9bedcbc5a96d0fff79861cf8f7asenorblanco@chromium.org virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE; 43336d1d759590d9bedcbc5a96d0fff79861cf8f7asenorblanco@chromium.org 44c4b12f19a46946e1c02f3525e0ea4902b09feac5senorblanco@chromium.org virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&, 45c4b12f19a46946e1c02f3525e0ea4902b09feac5senorblanco@chromium.org SkIRect* dst) const SK_OVERRIDE; 46c4b12f19a46946e1c02f3525e0ea4902b09feac5senorblanco@chromium.org 47781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com#if SK_SUPPORT_GPU 48781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com virtual bool canFilterImageGPU() const SK_OVERRIDE { return true; } 494cb543d6057b692e1099e9f115155f0bf323a0c8senorblanco@chromium.org virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx, 50ae761f7545d8ebf181d220169afac2056b057b8ccommit-bot@chromium.org SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; 51781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com#endif 52781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com 53781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.comprotected: 54cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org SkDisplacementMapEffect(ChannelSelectorType xChannelSelector, 55cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org ChannelSelectorType yChannelSelector, 56cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org SkScalar scale, SkImageFilter* displacement, 57cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org SkImageFilter* color = NULL, 58cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org const CropRect* cropRect = NULL); 59bd0be25074e53a6d1abc284562568c9745191984commit-bot@chromium.org explicit SkDisplacementMapEffect(SkReadBuffer& buffer); 60bd0be25074e53a6d1abc284562568c9745191984commit-bot@chromium.org virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; 61cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977commit-bot@chromium.org 62781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.comprivate: 63781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com ChannelSelectorType fXChannelSelector; 64781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com ChannelSelectorType fYChannelSelector; 65781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com SkScalar fScale; 66781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com typedef SkImageFilter INHERITED; 67336d1d759590d9bedcbc5a96d0fff79861cf8f7asenorblanco@chromium.org const SkImageFilter* getDisplacementInput() const { return getInput(0); } 68336d1d759590d9bedcbc5a96d0fff79861cf8f7asenorblanco@chromium.org const SkImageFilter* getColorInput() const { return getInput(1); } 69781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com}; 70781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com 71781cc76e0f1ebb06e0796a9237045ae9d4bddd21sugoi@google.com#endif 72