rtengine/imageio.h

   1 /*
   2  *  This file is part of RawTherapee.
   3  *
   4  *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
   5  *
   6  *  RawTherapee is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  RawTherapee is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #ifndef _IMAGEIO_
  20 #define _IMAGEIO_
  21
  22 #define IMIO_SUCCESS               0
  23 #define IMIO_CANNOTREADFILE        1
  24 #define IMIO_INVALIDHEADER         2
  25 #define IMIO_HEADERERROR           3
  26 #define IMIO_READERROR             4
  27 #define IMIO_VARIANTNOTSUPPORTED   5
  28
  29 #include <rtengine.h>
  30 #include <glibmm.h>
  31 #include <procparams.h>
  32 #include <libiptcdata/iptc-data.h>
  33 #include <rtexif.h>
  34
  35 namespace rtengine {
  36
  37 class ImageIO {
  38
  39     protected:
  40         ProgressListener* pl;
  41         cmsHPROFILE embProfile;
  42         char* profileData;
  43         int profileLength;
  44         char* loadedProfileData;
  45         int loadedProfileLength;
  46         std::vector<std::pair<std::string,std::string> > exifChange;
  47         IptcData* iptc;
  48         const rtexif::TagDirectory* exifRoot;
  49         Glib::Mutex imutex;
  50
  51     public:
  52         static Glib::ustring errorMsg[6];
  53
  54         ImageIO () : pl (NULL), embProfile(NULL), profileData(NULL), exifRoot (NULL), iptc(NULL), loadedProfileData(NULL), loadedProfileLength(0) {}
  55
  56         virtual ~ImageIO ();
  57
  58         void setProgressListener (ProgressListener* l) { pl = l; }
  59
  60         virtual int     getW            () {}
  61                 virtual int     getH            () {}
  62                 virtual void    allocate        (int width, int height) {}
  63         virtual int     getBPS          () {}
  64         virtual void    getScanline     (int row, unsigned char* buffer, int bps) {}
  65         virtual void    setScanline     (int row, unsigned char* buffer, int bps) {}
  66
  67         int load (Glib::ustring fname);
  68         int save (Glib::ustring fname);
  69
  70         int loadPNG  (Glib::ustring fname);
  71         int loadJPEG (Glib::ustring fname);
  72         int loadTIFF (Glib::ustring fname);
  73
  74         int savePNG  (Glib::ustring fname, int compression = -1, int bps = -1);
  75         int saveJPEG (Glib::ustring fname, int quality = 100);
  76         int saveTIFF (Glib::ustring fname, int bps = -1);
  77
  78         cmsHPROFILE getEmbeddedProfile () { return embProfile; }
  79         void        getEmbeddedProfileData (int& length, unsigned char*& pdata) { length = loadedProfileLength; pdata = (unsigned char*)loadedProfileData; }
  80
  81         void setMetadata (const rtexif::TagDirectory* eroot, const std::vector<rtengine::procparams::ExifPair>& exif, const std::vector<rtengine::procparams::IPTCPair>& iptcc);
  82         void setOutputProfile  (char* pdata, int plen);
  83         Glib::Mutex& mutex () { return imutex; }
  84 };
  85
  86 };
  87 #endif