src/images__pngFile.h

   1 /*
   2  * pngFile.h
   3  *
   4  *  Created on: 11 nov. 2008
   5  *      Author: pat
   6  */
   7
   8 #ifndef PNGFILE_H_
   9 #define PNGFILE_H_
  10
  11 #include <wx/image.h>
  12 #include "png.h"
  13
  14 #include "images__imgFile.h"
  15
  16
  17 class wxIndexedPNG : public imgFile
  18 {
  19 public:
  20         wxIndexedPNG();
  21         wxIndexedPNG( const wxString& str_pngFile );
  22         wxIndexedPNG( wxImage& _image );
  23         virtual ~wxIndexedPNG();
  24
  25         virtual bool LoadFrom( const wxString& str_pngFile );
  26         virtual bool LoadFrom( wxImage& _image );
  27
  28         virtual bool IsOk();
  29         virtual bool SaveAs( const wxString& str_pngFile );
  30
  31         virtual int GetIndex( const int x, const int y);
  32         virtual MyPalette* GetPalette();
  33         virtual bool SetPalette( wxPalette _pal );
  34         virtual bool Remap( unsigned char *remap, int sz_remap );
  35
  36         virtual unsigned char * GetDatas( int& datas_size );
  37         virtual void SetDatas( unsigned char *datas, int datas_size );
  38         virtual bool SetPixel( int x, int y, int ind );
  39
  40 protected:
  41         virtual void Init();
  42         virtual void Reset();
  43         virtual int WritePng( const wxString& str_fn );
  44         virtual int ReadPng( const wxString& str_fn );
  45
  46         int bit_depth, color_type, interlace_type, compression_type, filter_method;
  47
  48         png_colorp palette;
  49         int num_palette;
  50
  51         double gamma;
  52         int srgb_intent;
  53         png_color_8 sig_bit;
  54
  55         png_byte *trans;
  56         int num_trans;
  57         png_color_16* trans_values;
  58         png_color_16* background;
  59
  60         png_bytep *row_pointers;
  61 };
  62
  63 #endif /* PNGFILE_H_ */