$NetBSD: patch-af,v 1.3 2010/06/20 19:05:11 wiz Exp $

http://bugs.povray.org/task/144

--- source/png_pov.cpp.orig	2004-08-02 23:11:37.000000000 +0000
+++ source/png_pov.cpp
@@ -107,9 +107,6 @@ extern "C"
 	void png_pov_write_data(png_structp, png_bytep, png_size_t);
 	void png_pov_flush_data(png_structp);
 
-	// This is an internal function for libpng 
-	void png_write_finish_row(png_structp);
-
 
 	/*****************************************************************************
 	*
@@ -782,7 +779,6 @@ PNG_Image::~PNG_Image()
       {
          // finished prematurely - trick into thinking done
          png_ptr->num_rows = png_ptr->row_number;
-         png_write_finish_row(png_ptr);
       }
 
 #ifdef POV_COMMENTS // temporarily skip comment writing code 
@@ -1428,7 +1424,7 @@ void Read_Png_Image(IMAGE *Image, char *
 		if(r_info_ptr->valid & PNG_INFO_tRNS)
 		{
 			for (index = 0; index < r_info_ptr->num_trans; index++)
-				cmap[index].Transmit = 255 - r_info_ptr->trans[index];
+				cmap[index].Transmit = 255 - r_info_ptr->trans_alpha[index];
 		}
 
 		Image->data.map_lines = (unsigned char **)POV_MALLOC(height * sizeof(unsigned char *), "PNG image");
@@ -1461,7 +1457,7 @@ void Read_Png_Image(IMAGE *Image, char *
 		if(r_info_ptr->valid & PNG_INFO_tRNS)
 		{
 			for (index = 0; index < r_info_ptr->num_trans; index++)
-				cmap[index].Transmit = 255 - r_info_ptr->trans[index];
+				cmap[index].Transmit = 255 - r_info_ptr->trans_alpha[index];
 		}
 
 		Image->data.map_lines = (unsigned char **)POV_MALLOC(height * sizeof(unsigned char *), "PNG image");
