1 //========================================================================
2 //
3 // JpegWriter.h
4 //
5 // This file is licensed under the GPLv2 or later
6 //
7 // Copyright (C) 2009 Stefan Thomas <thomas@eload24.com>
8 // Copyright (C) 2010, 2012 Adrian Johnson <ajohnson@redneon.com>
9 // Copyright (C) 2010 Jürg Billeter <j@bitron.ch>
10 // Copyright (C) 2010 Harry Roberts <harry.roberts@midnight-labs.org>
11 // Copyright (C) 2010 Brian Cameron <brian.cameron@oracle.com>
12 // Copyright (C) 2011 Albert Astals Cid <aacid@kde.org>
13 // Copyright (C) 2011 Thomas Freitag <Thomas.Freitag@alfa.de>
14 //
15 //========================================================================
16 
17 #ifndef JPEGWRITER_H
18 #define JPEGWRITER_H
19 
20 #include "poppler-config.h"
21 
22 #ifdef ENABLE_LIBJPEG
23 
24 #include <sys/types.h>
25 #include "ImgWriter.h"
26 
27 struct JpegWriterPrivate;
28 
29 class JpegWriter : public ImgWriter
30 {
31 public:
32   /* RGB                 - 3 bytes/pixel
33    * GRAY                - 1 byte/pixel
34    * CMYK                - 4 bytes/pixel
35    */
36   enum Format { RGB, GRAY, CMYK };
37 
38   JpegWriter(int quality, bool progressive, Format format = RGB);
39   JpegWriter(Format format = RGB);
40   ~JpegWriter();
41 
42   bool init(FILE *f, int width, int height, int hDPI, int vDPI);
43 
44   bool writePointers(unsigned char **rowPointers, int rowCount);
45   bool writeRow(unsigned char **row);
46 
47   bool close();
48   bool supportCMYK();
49 
50 private:
51   JpegWriter(const JpegWriter &other);
52   JpegWriter& operator=(const JpegWriter &other);
53 
54   JpegWriterPrivate *priv;
55 };
56 
57 #endif
58 
59 #endif
60