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/****************************************************************************
* png_pov.h
*
* This module contains all defines, typedefs, and prototypes for PNG_POV.CPP.
*
* from Persistence of Vision(tm) Ray Tracer version 3.6.
* Copyright 1991-2003 Persistence of Vision Team
* Copyright 2003-2004 Persistence of Vision Raytracer Pty. Ltd.
*---------------------------------------------------------------------------
* NOTICE: This source code file is provided so that users may experiment
* with enhancements to POV-Ray and to port the software to platforms other
* than those supported by the POV-Ray developers. There are strict rules
* regarding how you are permitted to use this file. These rules are contained
* in the distribution and derivative versions licenses which should have been
* provided with this file.
*
* These licences may be found online, linked from the end-user license
* agreement that is located at http://www.povray.org/povlegal.html
*---------------------------------------------------------------------------
* This program is based on the popular DKB raytracer version 2.12.
* DKBTrace was originally written by David K. Buck.
* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
*---------------------------------------------------------------------------
* $File: //depot/povray/3.6-release/source/png_pov.h $
* $Revision: #2 $
* $Change: 2939 $
* $DateTime: 2004/07/04 13:43:26 $
* $Author: root $
* $Log$
*****************************************************************************/
#ifndef PNG_POV_H
#define PNG_POV_H
#include "png.h"
BEGIN_POV_NAMESPACE
/*****************************************************************************
* Global preprocessor defines
******************************************************************************/
/*****************************************************************************
* Global typedefs
******************************************************************************/
class PNG_Image : public Image_File_Class
{
public:
PNG_Image(char *filename, int width, int height, int mode, int line = 0);
~PNG_Image();
void Write_Line(COLOUR *line_data);
int Read_Line(COLOUR *line_data);
int Line() { return line_number; };
int Width() { return width; };
int Height() { return height; };
private:
char *filename;
int mode;
int width, height;
int initial_line_number;
static int line_number;
static IStream *in_file;
static OStream *out_file;
};
/*****************************************************************************
* Global variables
******************************************************************************/
/*****************************************************************************
* Global functions
******************************************************************************/
FILE_HANDLE *Get_Png_File_Handle (void);
void Read_Png_Image (IMAGE *Image, char *filename);
END_POV_NAMESPACE
#endif
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