| //======================================================================== |
| // |
| // JpegWriter.h |
| // |
| // This file is licensed under the GPLv2 or later |
| // |
| // Copyright (C) 2009 Stefan Thomas <thomas@eload24.com> |
| // Copyright (C) 2010 Adrian Johnson <ajohnson@redneon.com> |
| // Copyright (C) 2010 Jürg Billeter <j@bitron.ch> |
| // Copyright (C) 2010 Harry Roberts <harry.roberts@midnight-labs.org> |
| // Copyright (C) 2010 Brian Cameron <brian.cameron@oracle.com> |
| // Copyright (C) 2011 Albert Astals Cid <aacid@kde.org> |
| // Copyright (C) 2011 Thomas Freitag <Thomas.Freitag@alfa.de> |
| // |
| //======================================================================== |
| |
| #ifndef JPEGWRITER_H |
| #define JPEGWRITER_H |
| |
| #include "poppler/poppler-config.h" |
| |
| #ifdef ENABLE_LIBJPEG |
| |
| #include <sys/types.h> |
| #include "ImgWriter.h" |
| |
| extern "C" { |
| #include <jpeglib.h> |
| } |
| |
| class JpegWriter : public ImgWriter |
| { |
| public: |
| JpegWriter(int quality, bool progressive, J_COLOR_SPACE colorMode = JCS_RGB); |
| JpegWriter(J_COLOR_SPACE colorMode = JCS_RGB); |
| ~JpegWriter(); |
| |
| bool init(FILE *f, int width, int height, int hDPI, int vDPI); |
| |
| bool writePointers(unsigned char **rowPointers, int rowCount); |
| bool writeRow(unsigned char **row); |
| |
| bool close(); |
| bool supportCMYK() { return colorMode == JCS_CMYK; } |
| |
| private: |
| bool progressive; |
| int quality; |
| J_COLOR_SPACE colorMode; |
| struct jpeg_compress_struct cinfo; |
| struct jpeg_error_mgr jerr; |
| }; |
| |
| #endif |
| |
| #endif |