+/*! ========================================================================
+** Sinfg
+** Template Header File
+** $Id: trgt_png.h,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $
+**
+** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+** This software and associated documentation
+** are CONFIDENTIAL and PROPRIETARY property of
+** the above-mentioned copyright holder.
+**
+** You may not copy, print, publish, or in any
+** other way distribute this software without
+** a prior written agreement with
+** the copyright holder.
+**
+** === N O T E S ===========================================================
+**
+** ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SINFG_TRGT_PNG_H
+#define __SINFG_TRGT_PNG_H
+
+/* === H E A D E R S ======================================================= */
+
+#include <sinfg/target_scanline.h>
+#include <sinfg/string.h>
+#include <cstdio>
+#include <png.h>
+
+/* === 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 sinfg::Target_Scanline
+{
+ SINFG_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;
+ sinfg::String filename;
+ unsigned char *buffer;
+ sinfg::Color *color_buffer;
+public:
+ png_trgt(const char *filename);
+ virtual ~png_trgt();
+
+ virtual bool set_rend_desc(sinfg::RendDesc *desc);
+ virtual bool start_frame(sinfg::ProgressCallback *cb);
+ virtual void end_frame();
+
+ virtual sinfg::Color * start_scanline(int scanline);
+ virtual bool end_scanline();
+};
+
+/* === E N D =============================================================== */
+
+#endif