PDFDocumentImage.h [plain text]
#ifndef PDFDocumentImage_h
#define PDFDocumentImage_h
#include "AffineTransform.h"
#include "FloatRect.h"
#include "GraphicsTypes.h"
#include "Image.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 PassRefPtr<PDFDocumentImage> create(ImageObserver* observer)
{
return adoptRef(new PDFDocumentImage(observer));
}
private:
PDFDocumentImage(ImageObserver*);
virtual ~PDFDocumentImage();
virtual bool isPDFDocumentImage() const override { return true; }
virtual String filenameExtension() const override;
virtual bool hasSingleSecurityOrigin() const override { return true; }
virtual bool dataChanged(bool allDataReceived) override;
virtual void destroyDecodedData(bool = true) override;
virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override;
virtual FloatSize size() const override;
virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator, BlendMode, ImageOrientationDescription) override;
virtual bool currentFrameKnownToBeOpaque() override { return false; }
void createPDFDocument();
void computeBoundsForCurrentPage();
unsigned pageCount() const;
void drawPDFPage(GraphicsContext*);
void updateCachedImageIfNeeded(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect);
bool cacheParametersMatch(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect) const;
#if USE(PDFKIT_FOR_PDFDOCUMENTIMAGE)
RetainPtr<PDFDocument> m_document;
#else
RetainPtr<CGPDFDocumentRef> m_document;
#endif
std::unique_ptr<ImageBuffer> m_cachedImageBuffer;
AffineTransform m_cachedTransform;
FloatSize m_cachedDestinationSize;
FloatRect m_cachedSourceRect;
size_t m_cachedBytes;
FloatRect m_cropBox;
int m_rotationDegrees; bool m_hasPage;
};
}
#endif // USE(CG)
#endif // PDFDocumentImage_h