xemacs-21.4.22-libpng15.patch

diff -ur xemacs-21.4.22.orig/src/glyphs-eimage.c xemacs-21.4.22/src/glyphs-eimage.c
--- xemacs-21.4.22.orig/src/glyphs-eimage.c	2011-09-26 19:44:57.889720996 +0300
+++ xemacs-21.4.22/src/glyphs-eimage.c	2011-09-26 19:48:07.026226254 +0300
@@ -946,8 +946,8 @@
     int y;
     unsigned char **row_pointers;
     UINT_64_BIT pixels_sq;
-    height = info_ptr->height;
-    width = info_ptr->width;
+    height = png_get_image_height(png_ptr, info_ptr);
+    width = png_get_image_width(png_ptr, info_ptr);
     pixels_sq = (UINT_64_BIT) width * (UINT_64_BIT) height;
     if (pixels_sq > ((size_t) -1) / 3)
       signal_image_error ("PNG image too large to instantiate", instantiator);
@@ -1002,22 +1002,22 @@
     /* Now that we're using EImage, ask for 8bit RGB triples for any type
        of image*/
     /* convert palette images to full RGB */
-    if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
+    if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_PALETTE)
       png_set_expand (png_ptr);
     /* send grayscale images to RGB too */
-    if (info_ptr->color_type == PNG_COLOR_TYPE_GRAY ||
-	info_ptr->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+    if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_GRAY ||
+	png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_GRAY_ALPHA)
       png_set_gray_to_rgb (png_ptr);
     /* we can't handle alpha values */
-    if (info_ptr->color_type & PNG_COLOR_MASK_ALPHA)
+    if (png_get_color_type(png_ptr, info_ptr) & PNG_COLOR_MASK_ALPHA)
       png_set_strip_alpha (png_ptr);
     /* tell libpng to strip 16 bit depth files down to 8 bits */
-    if (info_ptr->bit_depth == 16)
+    if (png_get_bit_depth(png_ptr, info_ptr) == 16)
       png_set_strip_16 (png_ptr);
     /* if the image is < 8 bits, pad it out */
-    if (info_ptr->bit_depth < 8)
+    if (png_get_bit_depth(png_ptr, info_ptr) < 8)
       {
-	if (info_ptr->color_type == PNG_COLOR_TYPE_GRAY)
+	if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_GRAY)
 	  png_set_expand (png_ptr);
 	else
 	  png_set_packing (png_ptr);
@@ -1036,16 +1036,18 @@
      */
     {
       int i;
+      png_textp text;
+      int num_text;
 
-      for (i = 0 ; i < info_ptr->num_text ; i++)
+      for (i = 0 ; i < num_text ; i++)
 	{
 	  /* How paranoid do I have to be about no trailing NULLs, and
 	     using (int)info_ptr->text[i].text_length, and strncpy and a temp
 	     string somewhere? */
 
 	  warn_when_safe (Qpng, Qinfo, "%s - %s",
-			  info_ptr->text[i].key,
-			  info_ptr->text[i].text);
+			  text[i].key,
+			  text[i].text);
 	}
     }
 #endif