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changeset 1624:37537debd5a1

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package libpano13: libpng 1.5 compatibility
author Mark Brand <mabrand@mabrand.nl>
date Thu, 03 Mar 2011 21:50:15 +0100
parents 84ea59720d6e
children 7a3f723b7986
files src/libpano13-1-png.patch
diffstat 1 files changed, 102 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/libpano13-1-png.patch	Thu Mar 03 21:50:15 2011 +0100
@@ -0,0 +1,102 @@
+This file is part of mingw-cross-env.
+See doc/index.html for further information.
+
+https://bugs.launchpad.net/panotools/+bug/719076
+http://launchpadlibrarian.net/64361693/patch-png.c
+$NetBSD: patch-png.c,v 1.1 2011/02/07 01:03:35 wiz Exp $
+
+Fix build with png-1.5.
+
+--- a/png.c	2008-01-02 14:46:28.000000000 +0000
++++ b/png.c
+@@ -56,7 +56,7 @@ int writePNG( Image *im, fullPath *sfile
+    	}
+ 
+   	/* set error handling */
+-   	if (setjmp(png_ptr->jmpbuf))
++   	if (setjmp(png_jmpbuf(png_ptr)))
+    	{
+       /* If we get here, we had a problem reading the file */
+       fclose(outfile);
+@@ -68,14 +68,15 @@ int writePNG( Image *im, fullPath *sfile
+    	png_init_io(png_ptr, outfile);
+ 	
+ 	FourToThreeBPP( im );
+-	info_ptr->width 		= im->width;
+-   	info_ptr->height 		= im->height;
+-	info_ptr->bit_depth		= (im->bitsPerPixel > 32 ?  16 : 8);
+-	info_ptr->color_type	= PNG_COLOR_TYPE_RGB;
++	png_set_IHDR(png_ptr, info_ptr, im->width, im->height,
++		     (im->bitsPerPixel > 32 ?  16 : 8), PNG_COLOR_TYPE_RGB,
++		     0, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
++
++#if 0
+ 	info_ptr->channels		= (png_byte)(im->bitsPerPixel / info_ptr->bit_depth);
+ 	info_ptr->pixel_depth	= (png_byte)(im->bitsPerPixel);
+ 	info_ptr->rowbytes		= im->bytesPerLine;
+-	info_ptr->interlace_type= 0;
++#endif
+ 
+   	png_write_info(png_ptr, info_ptr);
+ 
+@@ -120,6 +121,7 @@ int readPNG	( Image *im, fullPath *sfile
+ 	png_bytep *row_pointers;
+ 	int row;
+ 	unsigned long  dataSize;
++	int color_type;
+ 
+ #ifdef __Mac__
+ 	unsigned char the_pcUnixFilePath[256];//added by Kekus Digital
+@@ -165,7 +167,7 @@ int readPNG	( Image *im, fullPath *sfile
+    	}
+ 
+    	/* set error handling if you are using the setjmp/longjmp method */
+-   	if (setjmp(png_ptr->jmpbuf))
++   	if (setjmp(png_jmpbuf(png_ptr)))
+    	{
+       	/* Free all of the memory associated with the png_ptr and info_ptr */
+       	png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
+@@ -182,9 +184,10 @@ int readPNG	( Image *im, fullPath *sfile
+    	/* read the file information */
+   	 png_read_info(png_ptr, info_ptr);
+ 
+-	if( info_ptr->color_type != PNG_COLOR_TYPE_RGB &&
+-		info_ptr->color_type != PNG_COLOR_TYPE_PALETTE &&
+-		info_ptr->color_type != PNG_COLOR_TYPE_RGB_ALPHA)
++	color_type = png_get_color_type(png_ptr, info_ptr);
++	if( color_type != PNG_COLOR_TYPE_RGB &&
++		color_type != PNG_COLOR_TYPE_PALETTE &&
++		color_type != PNG_COLOR_TYPE_RGB_ALPHA)
+ 	{
+ 		PrintError(" Only rgb images  supported");
+       	png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
+@@ -194,24 +197,17 @@ int readPNG	( Image *im, fullPath *sfile
+ 
+ 	 
+ 	    /* expand paletted colors into true RGB triplets */
+-   	if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
++   	if (color_type == PNG_COLOR_TYPE_PALETTE)
+       png_set_expand(png_ptr);
+ 
+ 
+ 	SetImageDefaults( im );
+ 	
+-	im->width 		= info_ptr->width;
+-	im->height 		= info_ptr->height;
+-	im->bytesPerLine	= info_ptr->rowbytes;
+-	im->bitsPerPixel	= info_ptr->pixel_depth;
++	im->width 		= png_get_image_width(png_ptr, info_ptr);
++	im->height 		= png_get_image_height(png_ptr, info_ptr);
++	im->bytesPerLine	= png_get_rowbytes(png_ptr, info_ptr);
+ 	im->dataSize		= im->height * im->bytesPerLine;
+-	if( im->bitsPerPixel == 24 )
+-		dataSize = im->width * im->height *  4;
+-	else if( im->bitsPerPixel == 48 )
+-		dataSize = im->width * im->height *  8;
+-	else
+-		dataSize = im->width * im->height *  im->bitsPerPixel/8;
+-	
++	im->bitsPerPixel	= 8 * im->bytesPerLine / im->width;
+ 
+ 	im->data = (unsigned char**)mymalloc( (dataSize > im->dataSize ? dataSize : im->dataSize) );
+ 	if( im->data == NULL ){