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/*
* Copyright 2013 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkXfermodeImageFilter_DEFINED
#define SkXfermodeImageFilter_DEFINED
#include "SkBlendMode.h"
#include "SkImageFilter.h"
class SkXfermode;
/**
* This filter takes an xfermode, and uses it to composite the foreground
* over the background. If foreground or background is NULL, the input
* bitmap (src) is used instead.
*/
class SK_API SkXfermodeImageFilter {
public:
static sk_sp<SkImageFilter> Make(SkBlendMode, sk_sp<SkImageFilter> background,
sk_sp<SkImageFilter> foreground,
const SkImageFilter::CropRect* cropRect);
static sk_sp<SkImageFilter> Make(SkBlendMode mode, sk_sp<SkImageFilter> background) {
return Make(mode, std::move(background), nullptr, nullptr);
}
static sk_sp<SkImageFilter> MakeArithmetic(float k1, float k2, float k3, float k4,
bool enforcePMColor,
sk_sp<SkImageFilter> background,
sk_sp<SkImageFilter> foreground,
const SkImageFilter::CropRect* cropRect);
static sk_sp<SkImageFilter> MakeArithmetic(float k1, float k2, float k3, float k4,
bool enforcePMColor,
sk_sp<SkImageFilter> background) {
return MakeArithmetic(k1, k2, k3, k4, enforcePMColor, std::move(background),
nullptr, nullptr);
}
#ifdef SK_SUPPORT_LEGACY_XFERMODE_OBJECT
static sk_sp<SkImageFilter> Make(sk_sp<SkXfermode> mode, sk_sp<SkImageFilter> background,
sk_sp<SkImageFilter> foreground,
const SkImageFilter::CropRect* cropRect);
static sk_sp<SkImageFilter> Make(sk_sp<SkXfermode> mode, sk_sp<SkImageFilter> background) {
return Make(std::move(mode), std::move(background), nullptr, nullptr);
}
#endif
#ifdef SK_SUPPORT_LEGACY_XFERMODE_PTR
static SkImageFilter* Create(SkXfermode* mode, SkImageFilter* background,
SkImageFilter* foreground = NULL,
const SkImageFilter::CropRect* cropRect = NULL) {
return Make(sk_ref_sp(mode),
sk_ref_sp(background),
sk_ref_sp(foreground),
cropRect).release();
}
#endif
#ifdef SK_SUPPORT_LEGACY_IMAGEFILTER_PTR
static sk_sp<SkImageFilter> Make(sk_sp<SkXfermode> mode, SkImageFilter* background,
SkImageFilter* foreground,
const SkImageFilter::CropRect* cropRect) {
return Make(std::move(mode),
sk_ref_sp(background),
sk_ref_sp(foreground),
cropRect);
}
static sk_sp<SkImageFilter> Make(sk_sp<SkXfermode> mode, SkImageFilter* background) {
return Make(std::move(mode), sk_ref_sp(background));
}
#endif
SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP();
private:
SkXfermodeImageFilter(); // can't instantiate
};
#endif
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