core/vil1: core/vil1/file_formats/vil1

00001 // This is core/vil1/file_formats/vil1_ras.h
00002 #ifndef vil1_ras_file_format_h_
00003 #define vil1_ras_file_format_h_
00004 #ifdef VCL_NEEDS_PRAGMA_INTERFACE
00005 #pragma interface
00006 #endif
00007 //:
00008 // \file
00009 // \author Amitha Perera <perera@cs.rpi.edu>
00010 // \date 12 Apr 2002
00011 
00012 #include <vil1/vil1_file_format.h>
00013 #include <vil1/vil1_image_impl.h>
00014 
00015 #include <vxl_config.h>
00016 
00017 //: Loader for Sun raster files
00018 class vil1_ras_file_format : public vil1_file_format
00019 {
00020  public:
00021   virtual char const* tag() const;
00022   virtual vil1_image_impl* make_input_image(vil1_stream* vs);
00023   virtual vil1_image_impl* make_output_image(vil1_stream* vs, int planes,
00024                                              int width,
00025                                              int height,
00026                                              int components,
00027                                              int bits_per_component,
00028                                              vil1_component_format format);
00029 };
00030 
00031 //: Generic image implementation for Sun raster files
00032 class vil1_ras_generic_image : public vil1_image_impl
00033 {
00034   vil1_stream* vs_;
00035   vxl_uint_32 width_;
00036   vxl_uint_32 height_;
00037 
00038   int start_of_data_;
00039   int components_;
00040   int bits_per_component_;
00041 
00042   vxl_uint_32 depth_;
00043   vxl_uint_32 length_;
00044   vxl_uint_32 type_;
00045   vxl_uint_32 map_type_;
00046   vxl_uint_32 map_length_;
00047   vxl_uint_8* col_map_;
00048 
00049   bool read_header();
00050   bool write_header();
00051 
00052   friend class vil1_ras_file_format;
00053  public:
00054 
00055   vil1_ras_generic_image(vil1_stream* is);
00056   vil1_ras_generic_image(vil1_stream* is, int planes,
00057                          int width,
00058                          int height,
00059                          int components,
00060                          int bits_per_component,
00061                          vil1_component_format format);
00062   ~vil1_ras_generic_image();
00063 
00064   //: Dimensions:  planes x width x height x components
00065   virtual int planes() const { return 1; }
00066   virtual int width() const { return width_; }
00067   virtual int height() const { return height_; }
00068   virtual int components() const { return components_; }
00069 
00070   virtual int bits_per_component() const { return bits_per_component_; }
00071   virtual enum vil1_component_format component_format() const { return VIL1_COMPONENT_FORMAT_UNSIGNED_INT; }
00072 
00073   //: Copy contents of this image to buf
00074   virtual bool get_section(void* buf, int x0, int y0, int width, int height) const;
00075   //: Copy contents of buf to this image
00076   virtual bool put_section(void const* buf, int x0, int y0, int width, int height);
00077 
00078   char const* file_format() const;
00079   bool get_property(char const *tag, void *prop = 0) const;
00080   vil1_image get_plane(unsigned int p) const;
00081 };
00082 
00083 #endif // vil1_ras_file_format_h_