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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkAndroidFrameworkUtils_DEFINED
#define SkAndroidFrameworkUtils_DEFINED
#include "include/core/SkRefCnt.h"
#include "include/core/SkTypes.h"
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
class SkCanvas;
struct SkIRect;
struct SkRect;
class SkSurface;
/**
* SkAndroidFrameworkUtils expose private APIs used only by Android framework.
*/
class SkAndroidFrameworkUtils {
public:
#if SK_SUPPORT_GPU
/**
* clipWithStencil draws the current clip into a stencil buffer with reference value and mask
* set to 0x1. This function works only on a GPU canvas.
*
* @param canvas A GPU canvas that has a non-empty clip.
*
* @return true on success or false if clip is empty or not a GPU canvas.
*/
static bool clipWithStencil(SkCanvas* canvas);
#endif //SK_SUPPORT_GPU
static void SafetyNetLog(const char*);
static sk_sp<SkSurface> getSurfaceFromCanvas(SkCanvas* canvas);
static int SaveBehind(SkCanvas* canvas, const SkRect* subset);
// Operating within the canvas' clip stack, this resets the geometry of the clip to be wide
// open modula any device clip restriction that was set outside of the clip stack.
static void ResetClip(SkCanvas* canvas);
/**
* Unrolls a chain of nested SkPaintFilterCanvas to return the base wrapped canvas.
*
* @param canvas A SkPaintFilterCanvas or any other SkCanvas subclass.
*
* @return SkCanvas that was found in the innermost SkPaintFilterCanvas.
*/
static SkCanvas* getBaseWrappedCanvas(SkCanvas* canvas);
};
#endif // SK_BUILD_FOR_ANDROID_ANDROID
#endif // SkAndroidFrameworkUtils_DEFINED
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