libcrbn/output/ocontext.hpp

#ifndef __output_context_hpp__
#define __output_context_hpp__

#include <crbn/output/output.hpp>
#include <crbn/basic/paramlist.hpp>
#include <crbn/basic/vec2.hpp>

class OutputContext
{
 public:

  // ctor.
  OutputContext();

  // dtor.
  ~OutputContext();

  void realize();

  uint32 get_line_width() { return _image_line_width; }
  uint32 get_line_count() { return _image_line_count; }
  uint32 get_pixel_count() { return _image_pixel_count; }
  float get_aspect_ratio() { return _image_ar; }

  void set_background_color( vec3& color ) { _background_color = color; }
  void get_background_color( vec3& color ) { color = _background_color; }

  bool create_default();
  bool create( const char* output_type, paramlist& pl );

  void outformat( const char* prefix, int digits );
  void resolution( uint32 width, uint32 height, float par );
  void crop_window( float xmin, float xmax, float ymin, float ymax );

  void samples2screen( uint32 count, uint32 sample_number, vec2* uvs );

  bool is_reachable();
  void open( uint32 frame_current );
  void close();
  void write( int size, vec3* colors );

private:
  void unload();

  void* _output_module;
  Output* _output;
  vec3 _background_color;

  char* _prefix;
  char _dnumber;

  vec2 _dp;

  uint32 _image_width, _image_height;
  float _image_par;
  float _image_ar;

  float _image_crop_xmin, _image_crop_xmax;
  float _image_crop_ymin, _image_crop_ymax;

  uint32 _image_line_width, _image_line_count;
  uint32 _image_pixel_count;

  uint32 _image_vert_begin_skip, _image_vert_end_skip;
  uint32 _image_horiz_begin_skip, _image_horiz_end_skip;
};

#endif // __output_context_hpp__

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