blob: dc3a6ebc07402a8de7fef4e80fead612fd5e8972 [file] [log] [blame]
* 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"
class SkCanvas;
struct SkIRect;
struct SkRect;
class SkSurface;
* SkAndroidFrameworkUtils expose private APIs used only by Android framework.
class SkAndroidFrameworkUtils {
* 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);
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 an
// intersection with the device-space 'rect'. If 'rect' is null, this will use the rect that
// was last set using androidFramework_setDeviceClipRestriction on the canvas. If that was never
// set, it will restrict the clip to the canvas' dimensions.
// TODO: Eventually, make 'rect' non-optional and no longer store the restriction per canvas.
static void ReplaceClip(SkCanvas* canvas, const SkIRect* rect = nullptr);
* 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 // SkAndroidFrameworkUtils_DEFINED