summaryrefslogtreecommitdiffstats
path: root/system/iscan/patches/iscan_png15.patch
diff options
context:
space:
mode:
Diffstat (limited to 'system/iscan/patches/iscan_png15.patch')
-rw-r--r--system/iscan/patches/iscan_png15.patch52
1 files changed, 52 insertions, 0 deletions
diff --git a/system/iscan/patches/iscan_png15.patch b/system/iscan/patches/iscan_png15.patch
new file mode 100644
index 0000000000..8220ac4af3
--- /dev/null
+++ b/system/iscan/patches/iscan_png15.patch
@@ -0,0 +1,52 @@
+#
+# Thanks to Fabio Castelli, ArchLinux:
+# https://projects.archlinux.org/svntogit/community.git/tree/trunk/libpng15.patch?h=packages/iscan
+#
+--- lib/pngstream.cc 2011-12-01 02:30:53.000000000 +0100
++++ lib/pngstream.cc 2012-02-06 03:06:22.000000000 +0100
+@@ -83,7 +83,12 @@
+ #if HAVE_PNG_H
+ set_error_handler (_png, _info);
+
++/* when not interlacing (ie, only one pass), number of rows is image height: _v_sz */
++#if PNG_LIBPNG_VER > 10499
++ if (!_footer && _v_sz == lib->get_current_row_number(_png))
++#else
+ if (_header && !_footer && _png->num_rows == _png->flush_rows)
++#endif
+ {
+ lib->write_end (_png, _info);
+ _footer = true;
+@@ -167,6 +172,9 @@
+ funcsym (write_row);
+ funcsym (write_flush);
+ funcsym (write_end);
++#if PNG_LIBPNG_VER > 10499
++ funcsym (get_current_row_number);
++#endif
+
+ if (lib->access_version_number
+ && lib->create_write_struct
+@@ -176,6 +184,9 @@
+ && lib->set_IHDR
+ && lib->set_pHYs
+ && lib->set_invert_mono
++#if PNG_LIBPNG_VER > 10499
++ && lib->get_current_row_number
++#endif
+ && lib->write_info
+ && lib->write_row
+ && lib->write_flush
+--- lib/pngstream.hh 2011-12-01 02:30:53.000000000 +0100
++++ lib/pngstream.hh 2012-02-06 03:09:09.000000000 +0100
+@@ -108,6 +108,10 @@
+ png_structp);
+ fundecl (void, write_end,
+ png_structp, png_infop);
++#if PNG_LIBPNG_VER > 10499
++ fundecl (png_uint_32, get_current_row_number,
++ png_structp);
++#endif
+ #endif /* HAVE_PNG_H */
+ };
+ static png_lib_handle *lib;