| //======================================================================== |
| // |
| // JpegWriter.h |
| // |
| // This file is licensed under the GPLv2 or later |
| // |
| // Copyright (C) 2009 Stefan Thomas <thomas@eload24.com> |
| // Copyright (C) 2010, 2012, 2017 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> |
| // Copyright (C) 2018 Martin Packman <gzlist@googlemail.com> |
| // |
| //======================================================================== |
| |
| #ifndef JPEGWRITER_H |
| #define JPEGWRITER_H |
| |
| #include "poppler-config.h" |
| |
| #ifdef ENABLE_LIBJPEG |
| |
| #include <sys/types.h> |
| #include "ImgWriter.h" |
| |
| struct JpegWriterPrivate; |
| |
| class JpegWriter : public ImgWriter |
| { |
| public: |
| /* RGB - 3 bytes/pixel |
| * GRAY - 1 byte/pixel |
| * CMYK - 4 bytes/pixel |
| */ |
| enum Format { RGB, GRAY, CMYK }; |
| |
| JpegWriter(int quality, bool progressive, Format format = RGB); |
| JpegWriter(Format format = RGB); |
| ~JpegWriter(); |
| |
| void setQuality(int quality); |
| void setProgressive(bool progressive); |
| void setOptimize(bool optimize); |
| bool init(FILE *f, int width, int height, int hDPI, int vDPI) override; |
| |
| bool writePointers(unsigned char **rowPointers, int rowCount) override; |
| bool writeRow(unsigned char **row) override; |
| |
| bool close() override; |
| bool supportCMYK() override; |
| |
| private: |
| JpegWriter(const JpegWriter &other); |
| JpegWriter& operator=(const JpegWriter &other); |
| |
| JpegWriterPrivate *priv; |
| }; |
| |
| #endif |
| |
| #endif |