Fix build with png-1.5.

4 files changed, 570 insertions, 7 deletions

diff --git a/graphics/gimp/distinfo b/graphics/gimp/distinfo
index ab5d3ef11cd..645324b9b86 100644
--- a/graphics/gimp/distinfo
+++ b/graphics/gimp/distinfo
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.58 2011/01/15 15:35:23 wiz Exp $
+$NetBSD: distinfo,v 1.59 2011/01/15 16:22:11 wiz Exp $
 
 SHA1 (gimp-2.6.11.tar.bz2) = 2f9d596e727bdbf304fa78257c1731d9faf3934c
 RMD160 (gimp-2.6.11.tar.bz2) = a116377499e58dc2bfe231ab3c057d0be94091ff
@@ -8,3 +8,4 @@ SHA1 (patch-ab) = 80e7235178e53e873efa0b16098b74fa0b981f76
 SHA1 (patch-ac) = 42f44b45640bdde305c1e52b95ee633360ebccb8
 SHA1 (patch-ad) = 4e2ce2f7d8729fb760eac1bad89cfe09fef499b0
 SHA1 (patch-ae) = 2609a048d7ba5323d29402fe384dbf96980eed1d
+SHA1 (patch-af) = f183f3bc39a995c20adecd8d0fe98e5150e1263d
diff --git a/graphics/gimp/patches/patch-af b/graphics/gimp/patches/patch-af
new file mode 100644
index 00000000000..7813d4676fe
--- /dev/null
+++ b/graphics/gimp/patches/patch-af
@@ -0,0 +1,352 @@
+$NetBSD: patch-af,v 1.5 2011/01/15 16:22:11 wiz Exp $
+
+Fix build with png-1.5.
+
+--- plug-ins/common/file-png.c.orig	2010-07-13 20:22:27.000000000 +0000
++++ plug-ins/common/file-png.c
+@@ -653,7 +653,11 @@ on_read_error (png_structp png_ptr, png_
+                                 error_data->drawable->width, num);
+     }
+ 
++#if (PNG_LIBPNG_VER < 10500)
+   longjmp (png_ptr->jmpbuf, 1);
++#else
++  png_longjmp (png_ptr, 1);
++#endif
+ }
+ 
+ /*
+@@ -697,7 +701,7 @@ load_image (const gchar  *filename,
+   pp = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+   info = png_create_info_struct (pp);
+ 
+-  if (setjmp (pp->jmpbuf))
++  if (setjmp (png_jmpbuf(pp)))
+     {
+       g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+                    _("Error while reading '%s'. File corrupted?"),
+@@ -738,17 +742,17 @@ load_image (const gchar  *filename,
+    * Latest attempt, this should be my best yet :)
+    */
+ 
+-  if (info->bit_depth == 16)
++  if (png_get_bit_depth(pp, info) == 16)
+     {
+       png_set_strip_16 (pp);
+     }
+ 
+-  if (info->color_type == PNG_COLOR_TYPE_GRAY && info->bit_depth < 8)
++  if (png_get_color_type(pp, info) == PNG_COLOR_TYPE_GRAY && png_get_bit_depth(pp, info) < 8)
+     {
+       png_set_expand (pp);
+     }
+ 
+-  if (info->color_type == PNG_COLOR_TYPE_PALETTE && info->bit_depth < 8)
++  if (png_get_color_type(pp, info) == PNG_COLOR_TYPE_PALETTE && png_get_bit_depth(pp, info) < 8)
+     {
+       png_set_packing (pp);
+     }
+@@ -757,8 +761,8 @@ load_image (const gchar  *filename,
+    * Expand G+tRNS to GA, RGB+tRNS to RGBA
+    */
+ 
+-  if (info->color_type != PNG_COLOR_TYPE_PALETTE &&
+-      (info->valid & PNG_INFO_tRNS))
++  if (png_get_color_type(pp, info) != PNG_COLOR_TYPE_PALETTE &&
++      png_get_valid(pp, info, PNG_INFO_tRNS) != 0)
+     {
+       png_set_expand (pp);
+     }
+@@ -775,7 +779,7 @@ load_image (const gchar  *filename,
+    */
+ 
+   if (png_get_valid (pp, info, PNG_INFO_tRNS) &&
+-      info->color_type == PNG_COLOR_TYPE_PALETTE)
++      png_get_color_type(pp, info) == PNG_COLOR_TYPE_PALETTE)
+     {
+       png_get_tRNS (pp, info, &alpha_ptr, &num, NULL);
+       /* Copy the existing alpha values from the tRNS chunk */
+@@ -797,7 +801,7 @@ load_image (const gchar  *filename,
+ 
+   png_read_update_info (pp, info);
+ 
+-  switch (info->color_type)
++  switch (png_get_color_type(pp, info))
+     {
+     case PNG_COLOR_TYPE_RGB:           /* RGB */
+       bpp = 3;
+@@ -836,7 +840,7 @@ load_image (const gchar  *filename,
+       return -1;
+     }
+ 
+-  image = gimp_image_new (info->width, info->height, image_type);
++  image = gimp_image_new (png_get_image_width(pp, info), png_get_image_height(pp, info), image_type);
+   if (image == -1)
+     {
+       g_set_error (error, 0, 0,
+@@ -849,7 +853,7 @@ load_image (const gchar  *filename,
+    * Create the "background" layer to hold the image...
+    */
+ 
+-  layer = gimp_layer_new (image, _("Background"), info->width, info->height,
++  layer = gimp_layer_new (image, _("Background"), png_get_image_width(pp, info), png_get_image_height(pp, info),
+                           layer_type, 100, GIMP_NORMAL_MODE);
+   gimp_image_add_layer (image, layer, 0);
+ 
+@@ -883,7 +887,7 @@ load_image (const gchar  *filename,
+ 
+       gimp_layer_set_offsets (layer, offset_x, offset_y);
+ 
+-      if ((abs (offset_x) > info->width) || (abs (offset_y) > info->height))
++      if ((abs (offset_x) > png_get_image_width(pp, info)) || (abs (offset_y) > png_get_image_height(pp, info)))
+         {
+           if (interactive)
+             g_message (_("The PNG file specifies an offset that caused "
+@@ -938,23 +942,27 @@ load_image (const gchar  *filename,
+ 
+   empty = 0; /* by default assume no full transparent palette entries */
+ 
+-  if (info->color_type & PNG_COLOR_MASK_PALETTE)
++  if (png_get_color_type(pp, info) & PNG_COLOR_MASK_PALETTE)
+     {
++      png_colorp palette;
++      int num_palette;
++      png_get_PLTE(pp, info, &palette, &num_palette);
++
+       if (png_get_valid (pp, info, PNG_INFO_tRNS))
+         {
+           for (empty = 0; empty < 256 && alpha[empty] == 0; ++empty)
+             /* Calculates number of fully transparent "empty" entries */;
+ 
+           /*  keep at least one entry  */
+-          empty = MIN (empty, info->num_palette - 1);
++          empty = MIN (empty, num_palette - 1);
+ 
+-          gimp_image_set_colormap (image, (guchar *) (info->palette + empty),
+-                                   info->num_palette - empty);
++          gimp_image_set_colormap (image, (guchar *) (palette + empty),
++                                   num_palette - empty);
+         }
+       else
+         {
+-          gimp_image_set_colormap (image, (guchar *) info->palette,
+-                                   info->num_palette);
++          gimp_image_set_colormap (image, (guchar *) palette,
++                                   num_palette);
+         }
+     }
+ 
+@@ -972,18 +980,18 @@ load_image (const gchar  *filename,
+    */
+ 
+   tile_height = gimp_tile_height ();
+-  pixel = g_new0 (guchar, tile_height * info->width * bpp);
++  pixel = g_new0 (guchar, tile_height * png_get_image_width(pp, info) * bpp);
+   pixels = g_new (guchar *, tile_height);
+ 
+   for (i = 0; i < tile_height; i++)
+-    pixels[i] = pixel + info->width * info->channels * i;
++    pixels[i] = pixel + png_get_image_width(pp, info) * png_get_channels(pp, info) * i;
+ 
+   /* Install our own error handler to handle incomplete PNG files better */
+   error_data.drawable    = drawable;
+   error_data.pixel       = pixel;
+   error_data.tile_height = tile_height;
+-  error_data.width       = info->width;
+-  error_data.height      = info->height;
++  error_data.width       = png_get_image_width(pp, info);
++  error_data.height      = png_get_image_height(pp, info);
+   error_data.bpp         = bpp;
+   error_data.pixel_rgn   = &pixel_rgn;
+ 
+@@ -996,10 +1004,10 @@ load_image (const gchar  *filename,
+        */
+ 
+       for (begin = 0, end = tile_height;
+-           begin < info->height; begin += tile_height, end += tile_height)
++           begin < png_get_image_height(pp, info); begin += tile_height, end += tile_height)
+         {
+-          if (end > info->height)
+-            end = info->height;
++          if (end > png_get_image_height(pp, info))
++            end = png_get_image_height(pp, info);
+ 
+           num = end - begin;
+ 
+@@ -1016,10 +1024,10 @@ load_image (const gchar  *filename,
+           gimp_pixel_rgn_set_rect (&pixel_rgn, pixel, 0, begin,
+                                    drawable->width, num);
+ 
+-          memset (pixel, 0, tile_height * info->width * bpp);
++          memset (pixel, 0, tile_height * png_get_image_width(pp, info) * bpp);
+ 
+           gimp_progress_update (((gdouble) pass +
+-                                 (gdouble) end / (gdouble) info->height) /
++                                 (gdouble) end / (gdouble) png_get_image_height(pp, info)) /
+                                 (gdouble) num_passes);
+         }
+     }
+@@ -1072,7 +1080,8 @@ load_image (const gchar  *filename,
+ 
+   {
+     png_uint_32 proflen;
+-    png_charp   profname, profile;
++    png_charp   profname;
++    png_bytep   profile;
+     int         profcomp;
+ 
+     if (png_get_iCCP (pp, info, &profname, &profcomp, &profile, &proflen))
+@@ -1200,6 +1209,8 @@ save_image (const gchar  *filename,
+   guchar red, green, blue;      /* Used for palette background */
+   time_t cutime;                /* Time since epoch */
+   struct tm *gmt;               /* GMT broken down */
++  int color_type;               /* type of colors in image */
++  int bit_depth;                /* width of colors in bit */
+ 
+   guchar remap[256];            /* Re-mapping for the palette */
+ 
+@@ -1208,7 +1219,9 @@ save_image (const gchar  *filename,
+   if (pngvals.comment)
+     {
+       GimpParasite *parasite;
++#ifndef PNG_iTXt_SUPPORTED
+       gsize text_length = 0;
++#endif
+ 
+       parasite = gimp_image_parasite_find (orig_image_ID, "gimp-comment");
+       if (parasite)
+@@ -1249,7 +1262,7 @@ save_image (const gchar  *filename,
+   pp = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+   info = png_create_info_struct (pp);
+ 
+-  if (setjmp (pp->jmpbuf))
++  if (setjmp (png_jmpbuf(pp)))
+     {
+       g_set_error (error, 0, 0,
+                    _("Error while saving '%s'. Could not save image."),
+@@ -1291,11 +1304,6 @@ save_image (const gchar  *filename,
+ 
+   png_set_compression_level (pp, pngvals.compression_level);
+ 
+-  info->width          = drawable->width;
+-  info->height         = drawable->height;
+-  info->bit_depth      = 8;
+-  info->interlace_type = pngvals.interlaced;
+-
+   /*
+    * Initialise remap[]
+    */
+@@ -1309,37 +1317,34 @@ save_image (const gchar  *filename,
+   switch (type)
+     {
+     case GIMP_RGB_IMAGE:
+-      info->color_type = PNG_COLOR_TYPE_RGB;
++      color_type = PNG_COLOR_TYPE_RGB;
+       bpp = 3;
+       break;
+ 
+     case GIMP_RGBA_IMAGE:
+-      info->color_type = PNG_COLOR_TYPE_RGB_ALPHA;
++      color_type = PNG_COLOR_TYPE_RGB_ALPHA;
+       bpp = 4;
+       break;
+ 
+     case GIMP_GRAY_IMAGE:
+-      info->color_type = PNG_COLOR_TYPE_GRAY;
++      color_type = PNG_COLOR_TYPE_GRAY;
+       bpp = 1;
+       break;
+ 
+     case GIMP_GRAYA_IMAGE:
+-      info->color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
++      color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
+       bpp = 2;
+       break;
+ 
+     case GIMP_INDEXED_IMAGE:
+       bpp = 1;
+-      info->color_type = PNG_COLOR_TYPE_PALETTE;
+-      info->valid |= PNG_INFO_PLTE;
+-      info->palette =
+-        (png_colorp) gimp_image_get_colormap (image_ID, &num_colors);
+-      info->num_palette = num_colors;
++      color_type = PNG_COLOR_TYPE_PALETTE;
++      png_set_PLTE(pp, info, (png_colorp) gimp_image_get_colormap (image_ID, &num_colors), num_colors);
+       break;
+ 
+     case GIMP_INDEXEDA_IMAGE:
+       bpp = 2;
+-      info->color_type = PNG_COLOR_TYPE_PALETTE;
++      color_type = PNG_COLOR_TYPE_PALETTE;
+       /* fix up transparency */
+       respin_cmap (pp, info, remap, image_ID, drawable);
+       break;
+@@ -1353,17 +1358,25 @@ save_image (const gchar  *filename,
+    * Fix bit depths for (possibly) smaller colormap images
+    */
+ 
+-  if (info->valid & PNG_INFO_PLTE)
++  bit_depth = 8;
++
++  if (png_get_valid(pp, info, PNG_INFO_PLTE))
+     {
+-      if (info->num_palette <= 2)
+-        info->bit_depth = 1;
+-      else if (info->num_palette <= 4)
+-        info->bit_depth = 2;
+-      else if (info->num_palette <= 16)
+-        info->bit_depth = 4;
++      png_colorp palette;
++      int num_palette;
++      png_get_PLTE(pp, info, &palette, &num_palette);
++      
++      if (num_palette <= 2)
++        bit_depth = 1;
++      else if (num_palette <= 4)
++        bit_depth = 2;
++      else if (num_palette <= 16)
++        bit_depth = 4;
+       /* otherwise the default is fine */
+     }
+ 
++  png_set_IHDR(pp, info, drawable->width, drawable->height, bit_depth, color_type, PNG_FILTER_TYPE_BASE, PNG_COMPRESSION_TYPE_BASE, pngvals.interlaced ? PNG_INTERLACE_ADAM7 : PNG_INTERLACE_NONE);
++
+   /* All this stuff is optional extras, if the user is aiming for smallest
+      possible file size she can turn them all off */
+ 
+@@ -1477,7 +1490,7 @@ save_image (const gchar  *filename,
+    * Convert unpacked pixels to packed if necessary
+    */
+ 
+-  if (info->color_type == PNG_COLOR_TYPE_PALETTE && info->bit_depth < 8)
++  if (png_get_color_type(pp, info) == PNG_COLOR_TYPE_PALETTE && png_get_bit_depth(pp, info) < 8)
+     png_set_packing (pp);
+ 
+   /*
+@@ -1529,7 +1542,7 @@ save_image (const gchar  *filename,
+ 
+           /* If we're dealing with a paletted image with
+            * transparency set, write out the remapped palette */
+-          if (info->valid & PNG_INFO_tRNS)
++          if (png_get_valid(pp, info, PNG_INFO_tRNS))
+             {
+               guchar inverse_remap[256];
+ 
+@@ -1549,7 +1562,7 @@ save_image (const gchar  *filename,
+             }
+           /* Otherwise if we have a paletted image and transparency
+            * couldn't be set, we ignore the alpha channel */
+-          else if (info->valid & PNG_INFO_PLTE && bpp == 2)
++          else if (png_get_valid(pp, info, PNG_INFO_PLTE) && bpp == 2)
+             {
+               for (i = 0; i < num; ++i)
+                 {
+@@ -1564,7 +1577,7 @@ save_image (const gchar  *filename,
+           png_write_rows (pp, pixels, num);
+ 
+           gimp_progress_update (((double) pass + (double) end /
+-                                 (double) info->height) /
++                                 (double) png_get_image_height(pp, info)) /
+                                 (double) num_passes);
+         }
+     }
diff --git a/graphics/vigra/distinfo b/graphics/vigra/distinfo
index e9e643e7c2a..5486ce879eb 100644
--- a/graphics/vigra/distinfo
+++ b/graphics/vigra/distinfo
@@ -1,6 +1,6 @@
-$NetBSD: distinfo,v 1.3 2010/10/16 15:50:21 wiz Exp $
+$NetBSD: distinfo,v 1.4 2011/01/15 16:31:18 wiz Exp $
 
 SHA1 (vigra-1.7.0-src.tar.gz) = 31875646cbb1928d93c96fc4da4fda31772cf8f6
 RMD160 (vigra-1.7.0-src.tar.gz) = 496479bcf133c3352ffad146308b7496f2fa4d9b
 Size (vigra-1.7.0-src.tar.gz) = 26637626 bytes
-SHA1 (patch-ab) = 10a50856d690fc2ad41f14e9fe0817b162c11586
+SHA1 (patch-ab) = e9104d7804bfe51cd2abca29a6d4850f578cd5fc
diff --git a/graphics/vigra/patches/patch-ab b/graphics/vigra/patches/patch-ab
index dedcebcec7b..7ee45b576d6 100644
--- a/graphics/vigra/patches/patch-ab
+++ b/graphics/vigra/patches/patch-ab
@@ -1,17 +1,227 @@
-$NetBSD: patch-ab,v 1.2 2010/10/16 15:50:21 wiz Exp $
+$NetBSD: patch-ab,v 1.3 2011/01/15 16:31:18 wiz Exp $
 
 Fix compilation with png-1.4, already included upstream.
+Fix build with png-1.5.
 
---- src/impex/png.cxx.orig	2008-08-13 13:15:45.000000000 +0000
+--- src/impex/png.cxx.orig	2010-04-20 16:29:02.000000000 +0000
 +++ src/impex/png.cxx
-@@ -270,8 +270,8 @@ namespace vigra {
+@@ -75,7 +75,11 @@ extern "C" {
+ static void PngError( png_structp png_ptr, png_const_charp error_msg )
+ {
+     png_error_message = std::string(error_msg);
++#if (PNG_LIBPNG_VER < 10500)
+     longjmp( png_ptr->jmpbuf, 1 );
++#else
++    png_longjmp( png_ptr, 1 );
++#endif
+ }
+ 
+ // called on non-fatal errors
+@@ -207,7 +211,7 @@ namespace vigra {
+         vigra_postcondition( png != 0, "could not create the read struct." );
+ 
+         // create info struct
+-        if (setjmp(png->jmpbuf)) {
++        if (setjmp(png_jmpbuf(png))) {
+             png_destroy_read_struct( &png, &info, NULL );
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_create_info_struct(): ").c_str() );
+         }
+@@ -215,14 +219,14 @@ namespace vigra {
+         vigra_postcondition( info != 0, "could not create the info struct." );
+ 
+         // init png i/o
+-        if (setjmp(png->jmpbuf)) {
++        if (setjmp(png_jmpbuf(png))) {
+             png_destroy_read_struct( &png, &info, NULL );
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_init_io(): ").c_str() );
+         }
+         png_init_io( png, file.get() );
+ 
+         // specify that the signature was already read
+-        if (setjmp(png->jmpbuf)) {
++        if (setjmp(png_jmpbuf(png))) {
+             png_destroy_read_struct( &png, &info, NULL );
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_set_sig_bytes(): ").c_str() );
+         }
+@@ -238,13 +242,13 @@ namespace vigra {
+     void PngDecoderImpl::init()
+     {
+         // read all chunks up to the image data
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_read_info(): ").c_str() );
+         png_read_info( png, info );
+ 
+         // pull over the header fields
+         int interlace_method, compression_method, filter_method;
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_get_IHDR(): ").c_str() );
+         png_get_IHDR( png, info, &width, &height, &bit_depth, &color_type,
+                       &interlace_method, &compression_method, &filter_method );
+@@ -258,7 +262,7 @@ namespace vigra {
+ 
+         // transform palette to rgb
+         if ( color_type == PNG_COLOR_TYPE_PALETTE) {
+-            if (setjmp(png->jmpbuf))
++            if (setjmp(png_jmpbuf(png)))
+                 vigra_postcondition( false, png_error_message.insert(0, "error in png_palette_to_rgb(): ").c_str() );
+             png_set_palette_to_rgb(png);
+             color_type = PNG_COLOR_TYPE_RGB;
+@@ -267,9 +271,9 @@ namespace vigra {
+ 
          // expand gray values to at least one byte size
          if ( color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8 ) {
-             if (setjmp(png->jmpbuf))
+-            if (setjmp(png->jmpbuf))
 -                vigra_postcondition( false,png_error_message.insert(0, "error in png_set_gray_1_2_4_to_8(): ").c_str());
 -            png_set_gray_1_2_4_to_8(png);
++            if (setjmp(png_jmpbuf(png)))
 +                vigra_postcondition( false,png_error_message.insert(0, "error in png_set_expand_gray_1_2_4_to_8(): ").c_str());
 +            png_set_expand_gray_1_2_4_to_8(png);
              bit_depth = 8;
          }
  
+@@ -277,7 +281,7 @@ namespace vigra {
+ #if 0
+         // strip alpha channel
+         if ( color_type & PNG_COLOR_MASK_ALPHA ) {
+-            if (setjmp(png->jmpbuf))
++            if (setjmp(png_jmpbuf(png)))
+                 vigra_postcondition( false, png_error_message.insert(0, "error in png_set_strip_alpha(): ").c_str() );
+             png_set_strip_alpha(png);
+             color_type ^= PNG_COLOR_MASK_ALPHA;
+@@ -319,9 +323,9 @@ namespace vigra {
+ #if (PNG_LIBPNG_VER > 10008) && defined(PNG_READ_iCCP_SUPPORTED)
+         char * dummyName;
+         int dummyCompType;
+-        char * profilePtr;
++        png_byte * profilePtr;
+         png_uint_32 profileLen;
+-        if (info->valid & PNG_INFO_iCCP) {
++        if (png_get_valid(png, info, PNG_INFO_iCCP)) {
+             png_get_iCCP(png, info, &dummyName, &dummyCompType, &profilePtr, &profileLen) ;
+             iccProfilePtr = (unsigned char *) profilePtr;
+             iccProfileLength = profileLen;
+@@ -334,7 +338,7 @@ namespace vigra {
+         // image gamma
+         double image_gamma = 0.45455;
+         if ( png_get_valid( png, info, PNG_INFO_gAMA ) ) {
+-            if (setjmp(png->jmpbuf))
++            if (setjmp(png_jmpbuf(png)))
+                 vigra_postcondition( false, png_error_message.insert(0, "error in png_get_gAMA(): ").c_str() );
+             png_get_gAMA( png, info, &image_gamma );
+         }
+@@ -343,26 +347,26 @@ namespace vigra {
+         double screen_gamma = 2.2;
+ 
+         // set gamma correction
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_set_gamma(): ").c_str() );
+         png_set_gamma( png, screen_gamma, image_gamma );
+ #endif
+ 
+         // interlace handling, get number of read passes needed
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false,png_error_message.insert(0, "error in png_set_interlace_handling(): ").c_str());
+         n_interlace_passes = png_set_interlace_handling(png);
+ 
+         // update png library state to reflect any changes that were made
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_read_update_info(): ").c_str() );
+         png_read_update_info( png, info );
+ 
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false,png_error_message.insert(0, "error in png_get_channels(): ").c_str());
+         n_channels = png_get_channels(png, info);
+ 
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false,png_error_message.insert(0, "error in png_get_rowbytes(): ").c_str());
+         rowsize = png_get_rowbytes(png, info);
+ 
+@@ -373,7 +377,7 @@ namespace vigra {
+     void PngDecoderImpl::nextScanline()
+     {
+         for (int i=0; i < n_interlace_passes; i++) {
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+                 vigra_postcondition( false,png_error_message.insert(0, "error in png_read_row(): ").c_str());
+             png_read_row(png, row_data.begin(), NULL);
+         }
+@@ -539,7 +543,7 @@ namespace vigra {
+         vigra_postcondition( png != 0, "could not create the write struct." );
+ 
+         // create info struct
+-        if (setjmp(png->jmpbuf)) {
++        if (setjmp(png_jmpbuf(png))) {
+             png_destroy_write_struct( &png, &info );
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_info_struct(): ").c_str() );
+         }
+@@ -550,7 +554,7 @@ namespace vigra {
+         }
+ 
+         // init png i/o
+-        if (setjmp(png->jmpbuf)) {
++        if (setjmp(png_jmpbuf(png))) {
+             png_destroy_write_struct( &png, &info );
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_init_io(): ").c_str() );
+         }
+@@ -565,7 +569,7 @@ namespace vigra {
+     void PngEncoderImpl::finalize()
+     {
+         // write the IHDR
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_set_IHDR(): ").c_str() );
+         png_set_IHDR( png, info, width, height, bit_depth, color_type,
+                       PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
+@@ -573,7 +577,7 @@ namespace vigra {
+ 
+         // set resolution
+         if (x_resolution > 0 && y_resolution > 0) {
+-            if (setjmp(png->jmpbuf))
++            if (setjmp(png_jmpbuf(png)))
+                 vigra_postcondition( false, png_error_message.insert(0, "error in png_set_pHYs(): ").c_str() );
+             png_set_pHYs(png, info, (png_uint_32) (x_resolution / 0.0254 + 0.5),
+                          (png_uint_32) (y_resolution / 0.0254 + 0.5),
+@@ -582,7 +586,7 @@ namespace vigra {
+ 
+         // set offset
+         if (position.x > 0 && position.y > 0) {
+-            if (setjmp(png->jmpbuf))
++            if (setjmp(png_jmpbuf(png)))
+                 vigra_postcondition( false, png_error_message.insert(0, "error in png_set_oFFs(): ").c_str() );
+             png_set_oFFs(png, info, position.x, position.y, PNG_OFFSET_PIXEL);
+         }
+@@ -591,12 +595,12 @@ namespace vigra {
+         // set icc profile
+         if (iccProfile.size() > 0) {
+             png_set_iCCP(png, info, const_cast<char*>("icc"), 0,
+-                         (char *)iccProfile.begin(), (png_uint_32)iccProfile.size());
++                         (png_bytep)iccProfile.begin(), (png_uint_32)iccProfile.size());
+         }
+ #endif
+ 
+         // write the info struct
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_write_info(): ").c_str() );
+         png_write_info( png, info );
+ 
+@@ -628,10 +632,10 @@ namespace vigra {
+         }
+ 
+         // write the whole image
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_write_image(): ").c_str() );
+         png_write_image( png, row_pointers.begin() );
+-        if (setjmp(png->jmpbuf))
++        if (setjmp(png_jmpbuf(png)))
+             vigra_postcondition( false, png_error_message.insert(0, "error in png_write_end(): ").c_str() );
+         png_write_end(png, info);
+     }