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/*
* Copyright (C) 2004, 2005, 2006, 2013 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 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 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 PDFDocumentImage_h
#define PDFDocumentImage_h
#include "AffineTransform.h"
#include "FloatRect.h"
#include "GraphicsTypes.h"
#include "Image.h"
#include "Settings.h"
#if USE(CG)
#if PLATFORM(MAC)
#define USE_PDFKIT_FOR_PDFDOCUMENTIMAGE 1
#endif
typedef struct CGPDFDocument *CGPDFDocumentRef;
OBJC_CLASS PDFDocument;
namespace WebCore {
class GraphicsContext;
class ImageBuffer;
class PDFDocumentImage final : public Image {
public:
static Ref<PDFDocumentImage> create(ImageObserver* observer)
{
return adoptRef(*new PDFDocumentImage(observer));
}
void setPdfImageCachingPolicy(PDFImageCachingPolicy);
#if PLATFORM(MAC)
WEBCORE_EXPORT static RetainPtr<CFMutableDataRef> convertPostScriptDataToPDF(RetainPtr<CFDataRef>&& postScriptData);
#endif
unsigned cachingCountForTesting() const { return m_cachingCountForTesting; }
private:
PDFDocumentImage(ImageObserver*);
virtual ~PDFDocumentImage();
bool isPDFDocumentImage() const override { return true; }
String filenameExtension() const override;
bool hasSingleSecurityOrigin() const override { return true; }
EncodedDataStatus dataChanged(bool allDataReceived) override;
void destroyDecodedData(bool /*destroyAll*/ = true) override;
void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override;
FloatSize size(ImageOrientation = ImageOrientation::FromImage) const override;
ImageDrawResult draw(GraphicsContext&, const FloatRect& dstRect, const FloatRect& srcRect, const ImagePaintingOptions& = { }) override;
// FIXME: Implement this to be less conservative.
bool currentFrameKnownToBeOpaque() const override { return false; }
void dump(WTF::TextStream&) const override;
void createPDFDocument();
void computeBoundsForCurrentPage();
unsigned pageCount() const;
void drawPDFPage(GraphicsContext&);
void decodedSizeChanged(size_t newCachedBytes);
void updateCachedImageIfNeeded(GraphicsContext&, const FloatRect& dstRect, const FloatRect& srcRect);
bool cacheParametersMatch(GraphicsContext&, const FloatRect& dstRect, const FloatRect& srcRect) const;
PDFImageCachingPolicy m_pdfImageCachingPolicy { PDFImageCachingDefault };
#if USE(PDFKIT_FOR_PDFDOCUMENTIMAGE)
RetainPtr<PDFDocument> m_document;
#else
RetainPtr<CGPDFDocumentRef> m_document;
#endif
std::unique_ptr<ImageBuffer> m_cachedImageBuffer;
FloatRect m_cachedImageRect;
AffineTransform m_cachedTransform;
FloatRect m_cachedDestinationRect;
FloatRect m_cachedSourceRect;
size_t m_cachedBytes { 0 };
unsigned m_cachingCountForTesting { 0 };
FloatRect m_cropBox;
int m_rotationDegrees { 0 }; // Can only be 0, 90, 180, or 270 degrees.
bool m_hasPage { false };
};
}
SPECIALIZE_TYPE_TRAITS_IMAGE(PDFDocumentImage)
#endif // USE(CG)
#endif // PDFDocumentImage_h