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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DragImage_h
#define DragImage_h
#include "platform/geometry/FloatSize.h"
#include "platform/geometry/IntSize.h"
#include "platform/graphics/GraphicsTypes.h"
#include "platform/graphics/ImageOrientation.h"
#include "platform/graphics/paint/DisplayItemClient.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "wtf/Allocator.h"
#include "wtf/Forward.h"
#include <memory>
class SkImage;
namespace blink {
class FontDescription;
class Image;
class KURL;
class PLATFORM_EXPORT DragImage {
USING_FAST_MALLOC(DragImage);
WTF_MAKE_NONCOPYABLE(DragImage);
public:
static std::unique_ptr<DragImage> create(
Image*,
RespectImageOrientationEnum = DoNotRespectImageOrientation,
float deviceScaleFactor = 1,
InterpolationQuality = InterpolationHigh,
float opacity = 1,
FloatSize imageScale = FloatSize(1, 1));
static std::unique_ptr<DragImage> create(const KURL&,
const String& label,
const FontDescription& systemFont,
float deviceScaleFactor);
~DragImage();
static FloatSize clampedImageScale(const IntSize&,
const IntSize&,
const IntSize& maxSize);
const SkBitmap& bitmap() { return m_bitmap; }
float resolutionScale() const { return m_resolutionScale; }
IntSize size() const { return IntSize(m_bitmap.width(), m_bitmap.height()); }
void scale(float scaleX, float scaleY);
static sk_sp<SkImage> resizeAndOrientImage(
sk_sp<SkImage>,
ImageOrientation,
FloatSize imageScale = FloatSize(1, 1),
float opacity = 1.0,
InterpolationQuality = InterpolationNone);
private:
DragImage(const SkBitmap&, float resolutionScale, InterpolationQuality);
SkBitmap m_bitmap;
float m_resolutionScale;
InterpolationQuality m_interpolationQuality;
};
} // namespace blink
#endif // DragImage_h
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