1 /*
2  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef PDFDocumentImage_h
27 #define PDFDocumentImage_h
28 
29 #include "FloatRect.h"
30 #include "GraphicsTypes.h"
31 #include "Image.h"
32 
33 #if USE(CG)
34 
35 typedef struct CGPDFDocument *CGPDFDocumentRef;
36 
37 namespace WebCore {
38 
39     class GraphicsContext;
40 
41     class PDFDocumentImage : public Image {
42     public:
create()43         static PassRefPtr<PDFDocumentImage> create()
44         {
45             return adoptRef(new PDFDocumentImage);
46         }
47 
48     private:
49         virtual ~PDFDocumentImage();
50 
51         virtual String filenameExtension() const;
52 
hasSingleSecurityOrigin()53         virtual bool hasSingleSecurityOrigin() const { return true; }
54 
55         virtual bool dataChanged(bool allDataReceived);
56 
57         // FIXME: PDF Images are underreporting decoded sizes and will be unable
58         // to prune because these functions are not implemented yet.
59         virtual void destroyDecodedData(bool /*destroyAll*/ = true) { }
decodedSize()60         virtual unsigned decodedSize() const { return 0; }
61 
62         virtual IntSize size() const;
63 
64         PDFDocumentImage();
65         virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator);
66 
67         void setCurrentPage(int);
68         int pageCount() const;
69         void adjustCTM(GraphicsContext*) const;
70 
71         CGPDFDocumentRef m_document;
72         FloatRect m_mediaBox;
73         FloatRect m_cropBox;
74         float m_rotation;
75         int m_currentPage;
76     };
77 
78 }
79 
80 #endif // USE(CG)
81 
82 #endif // PDFDocumentImage_h
83