source/libs/poppler/poppler-0.37.0/goo/PNGWriter.h

   1 //========================================================================
   2 //
   3 // PNGWriter.h
   4 //
   5 // This file is licensed under the GPLv2 or later
   6 //
   7 // Copyright (C) 2009 Warren Toomey <wkt@tuhs.org>
   8 // Copyright (C) 2009 Shen Liang <shenzhuxi@gmail.com>
   9 // Copyright (C) 2009, 2011-2013 Albert Astals Cid <aacid@kde.org>
  10 // Copyright (C) 2009 Stefan Thomas <thomas@eload24.com>
  11 // Copyright (C) 2010, 2011, 2013 Adrian Johnson <ajohnson@redneon.com>
  12 // Copyright (C) 2012 Pino Toscano <pino@kde.org>
  13 //
  14 //========================================================================
  15
  16 #ifndef PNGWRITER_H
  17 #define PNGWRITER_H
  18
  19 #include "poppler-config.h"
  20
  21 #ifdef ENABLE_LIBPNG
  22
  23 #include "ImgWriter.h"
  24
  25 struct PNGWriterPrivate;
  26
  27 class PNGWriter : public ImgWriter
  28 {
  29 public:
  30
  31   /* RGB        - 3 bytes/pixel
  32    * RGBA       - 4 bytes/pixel
  33    * GRAY       - 1 byte/pixel
  34    * MONOCHROME - 8 pixels/byte
  35    */
  36   enum Format { RGB, RGBA, GRAY, MONOCHROME };
  37
  38   PNGWriter(Format format = RGB);
  39   ~PNGWriter();
  40
  41   void setICCProfile(const char *name, unsigned char *data, int size);
  42   void setSRGBProfile();
  43
  44
  45   bool init(FILE *f, int width, int height, int hDPI, int vDPI);
  46
  47   bool writePointers(unsigned char **rowPointers, int rowCount);
  48   bool writeRow(unsigned char **row);
  49
  50   bool close();
  51
  52 private:
  53   PNGWriter(const PNGWriter &other);
  54   PNGWriter& operator=(const PNGWriter &other);
  55
  56   PNGWriterPrivate *priv;
  57 };
  58
  59 #endif
  60
  61 #endif