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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef StaticBitmapImage_h
#define StaticBitmapImage_h
#include "gpu/command_buffer/common/mailbox.h"
#include "gpu/command_buffer/common/sync_token.h"
#include "platform/graphics/Image.h"
#include "third_party/khronos/GLES2/gl2.h"
#include "third_party/skia/include/core/SkRefCnt.h"
namespace blink {
class WebGraphicsContext3DProvider;
class PLATFORM_EXPORT StaticBitmapImage : public Image {
public:
static PassRefPtr<StaticBitmapImage> create(sk_sp<SkImage>);
// Methods overrided by all sub-classes
virtual ~StaticBitmapImage() {}
bool currentFrameKnownToBeOpaque(MetadataMode = UseCurrentMetadata) = 0;
sk_sp<SkImage> imageForCurrentFrame(const ColorBehavior&) = 0;
void draw(SkCanvas*,
const SkPaint&,
const FloatRect& dstRect,
const FloatRect& srcRect,
RespectImageOrientationEnum,
ImageClampingMode,
const ColorBehavior&) = 0;
// Methods have common implementation for all sub-classes
bool currentFrameIsComplete() override { return true; }
void destroyDecodedData() {}
// Methods that have a default implementation, and overrided by only one
// sub-class
virtual bool hasMailbox() { return false; }
virtual void transfer() {}
// Methods overrided by AcceleratedStaticBitmapImage only
virtual void copyToTexture(WebGraphicsContext3DProvider*,
GLuint,
GLenum,
GLenum,
bool) {
NOTREACHED();
}
virtual void ensureMailbox() { NOTREACHED(); }
virtual gpu::Mailbox mailbox() {
NOTREACHED();
return gpu::Mailbox();
}
virtual gpu::SyncToken syncToken() {
NOTREACHED();
return gpu::SyncToken();
}
virtual void updateSyncToken(gpu::SyncToken) { NOTREACHED(); }
// Methods have exactly the same implementation for all sub-classes
bool originClean() const { return m_isOriginClean; }
void setOriginClean(bool flag) { m_isOriginClean = flag; }
bool isPremultiplied() const { return m_isPremultiplied; }
void setPremultiplied(bool flag) { m_isPremultiplied = flag; }
protected:
// Helper for sub-classes
void drawHelper(SkCanvas*,
const SkPaint&,
const FloatRect&,
const FloatRect&,
ImageClampingMode,
sk_sp<SkImage>);
// These two properties are here because the SkImage API doesn't expose the
// info. They applied to both UnacceleratedStaticBitmapImage and
// AcceleratedStaticBitmapImage. To change these two properties, the call
// site would have to call the API setOriginClean() and setPremultiplied().
bool m_isOriginClean = true;
bool m_isPremultiplied = true;
};
} // namespace blink
#endif
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