71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file pnmWriter.h
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* @author drose
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* @date 2000-06-14
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*/
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#ifndef PNMWRITER_H
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#define PNMWRITER_H
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#include "pandabase.h"
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#include "pnmImageHeader.h"
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class PfmFile;
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/**
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* This is an abstract base class that defines the interface for writing image
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* files of various types. Any particular image file type that can be written
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* must define a class that inherits from PNMWriter to write it.
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*/
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class EXPCL_PANDA_PNMIMAGE PNMWriter : public PNMImageHeader {
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protected:
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INLINE PNMWriter(PNMFileType *type, std::ostream *file, bool owns_file);
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public:
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// It is important to delete the PNMWriter class after successfully writing
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// the data. Failing to do this may result in some data not getting
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// flushed!
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virtual ~PNMWriter();
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INLINE PNMFileType *get_type() const;
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INLINE void set_color_type(ColorType type);
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INLINE void set_num_channels(int num_channels);
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INLINE void set_maxval(xelval maxval);
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INLINE void set_x_size(int x_size);
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INLINE void set_y_size(int y_size);
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INLINE void copy_header_from(const PNMImageHeader &header);
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virtual bool supports_floating_point();
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virtual bool supports_integer();
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virtual bool write_pfm(const PfmFile &pfm);
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virtual int write_data(xel *array, xelval *alpha);
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virtual bool supports_write_row() const;
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virtual bool supports_grayscale() const;
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virtual bool write_header();
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virtual bool write_row(xel *array, xelval *alpha);
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virtual bool supports_stream_write() const;
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INLINE bool is_valid() const;
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protected:
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PNMFileType *_type;
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bool _owns_file;
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std::ostream *_file;
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bool _is_valid;
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};
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#include "pnmWriter.I"
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#endif
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