trgt_png.h

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/* === S Y N F I G ========================================================= */
/* === S T A R T =========================================================== */

#ifndef __SYNFIG_TRGT_PNG_H
#define __SYNFIG_TRGT_PNG_H

/* === H E A D E R S ======================================================= */

#include <png.h>
#include <synfig/target_scanline.h>
#include <synfig/string.h>
#include <synfig/targetparam.h>
#include <cstdio>

/* === M A C R O S ========================================================= */

/* === T Y P E D E F S ===================================================== */

/* === C L A S S E S & S T R U C T S ======================================= */

class png_trgt : public synfig::Target_Scanline
{
    SYNFIG_TARGET_MODULE_EXT
private:
    FILE *file;
    //int w,h;
    png_structp png_ptr;
    png_infop info_ptr;

    static void png_out_error(png_struct *png,const char *msg);
    static void png_out_warning(png_struct *png,const char *msg);
    bool multi_image,ready;
    int imagecount;
    synfig::String filename;
    unsigned char *buffer;
    synfig::Color *color_buffer;
    synfig::String sequence_separator;
public:
    png_trgt(const char *filename, const synfig::TargetParam& /* params */);
    virtual ~png_trgt();

    virtual bool set_rend_desc(synfig::RendDesc *desc);
    virtual bool start_frame(synfig::ProgressCallback *cb);
    virtual void end_frame();

    virtual synfig::Color * start_scanline(int scanline);
    virtual bool end_scanline();
};

/* === E N D =============================================================== */

#endif