Extracted png_do_strip_filler patch from libpng-1.2.8beta4. This fixes bug #67069.

5 files changed, 170 insertions, 6 deletions

diff --git a/media-libs/libpng/ChangeLog b/media-libs/libpng/ChangeLog
index c88c9a938e30..bfd3ddaf858d 100644
--- a/media-libs/libpng/ChangeLog
+++ b/media-libs/libpng/ChangeLog
@@ -1,6 +1,13 @@
 # ChangeLog for media-libs/libpng
 # Copyright 2002-2004 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/media-libs/libpng/ChangeLog,v 1.56 2004/11/13 03:54:21 kumba Exp $
+# $Header: /var/cvsroot/gentoo-x86/media-libs/libpng/ChangeLog,v 1.57 2004/11/20 03:58:17 usata Exp $
+
+*libpng-1.2.7-r1 (20 Nov 2004)
+
+  20 Nov 2004; Mamoru KOMACHI <usata@gentoo.org>
+  +files/libpng-1.2.7-png_do_strip_filler.diff, +libpng-1.2.7-r1.ebuild:
+  Extracted png_do_strip_filler patch from libpng-1.2.8beta4.
+  This fixes bug #67069.
 
   12 Nov 2004; Joshua Kinard <kumba@gentoo.org> libpng-1.2.7.ebuild:
   Marked stable on mips.
@@ -37,7 +44,7 @@
   06 Aug 2004; foser <foser@gentoo.org> libpng-1.0* :
   Remove all traces of libpng-1.0* (#59424)
 
-  06 Aug 2004; Bryan Østergaard,,, <kloeri@gentoo.org> libpng-1.2.5-r8.ebuild:
+  06 Aug 2004; Bryan ƒŠstergaard,,, <kloeri@gentoo.org> libpng-1.2.5-r8.ebuild:
   Stable on alpha, bug #59424.
 
   05 Aug 2004; Ciaran McCreesh <ciaranm@gentoo.org> libpng-1.2.5-r8.ebuild:
diff --git a/media-libs/libpng/Manifest b/media-libs/libpng/Manifest
index 67c8c49e9f73..b14ed6005ae4 100644
--- a/media-libs/libpng/Manifest
+++ b/media-libs/libpng/Manifest
@@ -1,9 +1,22 @@
-MD5 cdd66afae709fa94ed95a954d066b0b3 ChangeLog 9599
+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA1
+
+MD5 9917c1cb37cc57405416916517af1f37 ChangeLog 9842
 MD5 602563e0a8ad2ef1f5345717fa660cae libpng-1.2.5-r8.ebuild 1870
+MD5 70a8894e625b7342ddcfc43c28ae866f libpng-1.2.7-r1.ebuild 1896
 MD5 540eed8a696949bf70e500c8c461168f libpng-1.2.7.ebuild 1832
-MD5 3338fff0166374e14ae138e6a1f4cd21 files/1.2.7-gentoo.diff 464
 MD5 82c75412d0c6a4a86704a7a4545ee502 files/digest-libpng-1.2.5-r8 65
+MD5 cf98652d430c500b40470ffbcc2636e1 files/digest-libpng-1.2.7-r1 65
+MD5 7443cfcd027ad293e56ec7bed76ee21c files/macos.patch 589
+MD5 d1cb64b64c0652863c89a3eb1f7c5f66 files/libpng-1.2.5-security.diff 10114
+MD5 3338fff0166374e14ae138e6a1f4cd21 files/1.2.7-gentoo.diff 464
 MD5 cf98652d430c500b40470ffbcc2636e1 files/digest-libpng-1.2.7 65
 MD5 b664d38f024a7b21f299727e4aa76d2e files/libpng-1.2.5-gentoo.diff 3470
-MD5 d1cb64b64c0652863c89a3eb1f7c5f66 files/libpng-1.2.5-security.diff 10114
-MD5 7443cfcd027ad293e56ec7bed76ee21c files/macos.patch 589
+MD5 fbf3226ad08934966af8773089b8c945 files/libpng-1.2.7-png_do_strip_filler.diff 3033
+-----BEGIN PGP SIGNATURE-----
+Version: GnuPG v1.2.6 (GNU/Linux)
+
+iD8DBQFBnsDcVWNWqTUmv+0RAm0OAJ9mlknja6JnFGehntCimj8l2ayaEACbBFeM
+1lEqqbJvJxUoahlDuuJ/DcM=
+=V8SL
+-----END PGP SIGNATURE-----
diff --git a/media-libs/libpng/files/digest-libpng-1.2.7-r1 b/media-libs/libpng/files/digest-libpng-1.2.7-r1
new file mode 100644
index 000000000000..c0b13966cdce
--- /dev/null
+++ b/media-libs/libpng/files/digest-libpng-1.2.7-r1
@@ -0,0 +1 @@
+MD5 21030102f99f81c37276403e5956d198 libpng-1.2.7.tar.bz2 379504
diff --git a/media-libs/libpng/files/libpng-1.2.7-png_do_strip_filler.diff b/media-libs/libpng/files/libpng-1.2.7-png_do_strip_filler.diff
new file mode 100644
index 000000000000..34906e98bfab
--- /dev/null
+++ b/media-libs/libpng/files/libpng-1.2.7-png_do_strip_filler.diff
@@ -0,0 +1,76 @@
+--- libpng-1.2.7.orig/png.h  2004-09-12 11:19:30.000000000 +0900
++++ libpng-1.2.7/png.h     2004-11-13 13:04:49.000000000 +0900
+@@ -3090,7 +3092,7 @@
+ #if defined(PNG_WRITE_FILLER_SUPPORTED) || \
+     defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
+ PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info,
+-   png_bytep row, png_uint_32 flags));
++   png_bytep row, png_uint_32 flags, png_uint_32 transformations));
+ #endif
+ 
+ #if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)
+--- libpng-1.2.7.orig/pngrtran.c     2004-09-12 11:19:31.000000000 +0900
++++ libpng-1.2.7/pngrtran.c        2004-11-13 13:04:50.000000000 +0900
+@@ -1211,7 +1211,7 @@
+ #if defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
+    if (png_ptr->transformations & PNG_STRIP_ALPHA)
+       png_do_strip_filler(&(png_ptr->row_info), png_ptr->row_buf + 1,
+-         PNG_FLAG_FILLER_AFTER);
++         PNG_FLAG_FILLER_AFTER,png_ptr->transformations);
+ #endif
+ 
+ #if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
+--- libpng-1.2.7.orig/pngtrans.c     2004-09-12 11:19:31.000000000 +0900
++++ libpng-1.2.7/pngtrans.c        2004-11-13 13:04:50.000000000 +0900
+@@ -380,7 +380,8 @@
+     defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
+ /* remove filler or alpha byte(s) */
+ void /* PRIVATE */
+-png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags)
++png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags,
++  png_uint_32 transformations)
+ {
+    png_debug(1, "in png_do_strip_filler\n");
+ #if defined(PNG_USELESS_TESTS_SUPPORTED)
+@@ -392,7 +393,9 @@
+       png_uint_32 row_width=row_info->width;
+       png_uint_32 i;
+ 
+-      if (row_info->color_type == PNG_COLOR_TYPE_RGB &&
++      if ((row_info->color_type == PNG_COLOR_TYPE_RGB ||
++         (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&
++         (transformations & PNG_STRIP_ALPHA))) &&
+          row_info->channels == 4)
+       {
+          if (row_info->bit_depth == 8)
+@@ -471,7 +474,9 @@
+          }
+          row_info->channels = 3;
+       }
+-      else if (row_info->color_type == PNG_COLOR_TYPE_GRAY &&
++      else if ((row_info->color_type == PNG_COLOR_TYPE_GRAY ||
++         (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
++         (transformations & PNG_STRIP_ALPHA))) &&
+           row_info->channels == 2)
+       {
+          if (row_info->bit_depth == 8)
+@@ -525,6 +530,8 @@
+          }
+          row_info->channels = 1;
+       }
++      if (transformations & PNG_STRIP_ALPHA)
++        row_info->color_type &= ~PNG_COLOR_MASK_ALPHA;
+    }
+ }
+ #endif
+--- libpng-1.2.7.orig/pngwtran.c     2004-09-12 11:19:32.000000000 +0900
++++ libpng-1.2.7/pngwtran.c        2004-11-13 13:04:50.000000000 +0900
+@@ -40,7 +40,7 @@
+ #if defined(PNG_WRITE_FILLER_SUPPORTED)
+    if (png_ptr->transformations & PNG_FILLER)
+       png_do_strip_filler(&(png_ptr->row_info), png_ptr->row_buf + 1,
+-         png_ptr->flags);
++         png_ptr->flags,png_ptr->transformations);
+ #endif
+ #if defined(PNG_WRITE_PACKSWAP_SUPPORTED)
+    if (png_ptr->transformations & PNG_PACKSWAP)
diff --git a/media-libs/libpng/libpng-1.2.7-r1.ebuild b/media-libs/libpng/libpng-1.2.7-r1.ebuild
new file mode 100644
index 000000000000..692ca49e27c2
--- /dev/null
+++ b/media-libs/libpng/libpng-1.2.7-r1.ebuild
@@ -0,0 +1,67 @@
+# Copyright 1999-2004 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/media-libs/libpng/libpng-1.2.7-r1.ebuild,v 1.1 2004/11/20 03:58:17 usata Exp $
+
+inherit flag-o-matic eutils gcc
+
+DESCRIPTION="Portable Network Graphics library"
+HOMEPAGE="http://www.libpng.org/"
+SRC_URI="mirror://sourceforge/${PN}/${P}.tar.bz2"
+
+LICENSE="as-is"
+SLOT="1.2"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~ppc-macos ~s390 ~sparc ~x86"
+IUSE=""
+
+DEPEND="sys-libs/zlib"
+
+src_unpack() {
+	unpack ${A}
+	cd "${S}"
+
+	epatch "${FILESDIR}/${P}-png_do_strip_filler.diff"
+	epatch "${FILESDIR}/${PV}-gentoo.diff"
+
+	if [ "$(gcc-version)" == "3.3" -o "$(gcc-version)" == "3.2" ] ; then
+		replace-cpu-flags k6 k6-2 k6-3 i586
+	fi
+
+	if use ppc-macos ; then
+		epatch "${FILESDIR}/macos.patch" # implements strnlen
+		sed \
+			-e "s:ZLIBLIB=.*:ZLIBLIB=/usr/$(get_libdir):" \
+			-e "s:ZLIBINC=.*:ZLIBINC=/usr/include:" \
+			-e "s:-O3:${CFLAGS}:" \
+			-e "s:prefix=/usr/local:prefix=/usr:" \
+			scripts/makefile.darwin > Makefile
+	else
+		sed \
+			-e "s:ZLIBLIB=.*:ZLIBLIB=/usr/$(get_libdir):" \
+			-e "s:ZLIBINC=.*:ZLIBINC=/usr/include:" \
+			-e "s:-O3:${CFLAGS}:" \
+			-e "s:prefix=/usr/local:prefix=/usr:" \
+			-e "s:OBJSDLL = :OBJSDLL = -lz -lm :" \
+			scripts/makefile.linux > Makefile
+	fi
+}
+
+src_compile() {
+	emake \
+		CC="$(gcc-getCC)" \
+		CXX="$(gcc-getCXX)" \
+		|| die "emake failed"
+}
+
+src_install() {
+	dodir /usr/include /usr/$(get_libdir) /usr/share/man
+	make DESTDIR="${D}" MANPATH="/usr/share/man" LIBPATH="/usr/$(get_libdir)" install || die
+	doman libpng.3 libpngpf.3 png.5
+	dodoc ANNOUNCE CHANGES KNOWNBUG README TODO Y2KINFO
+}
+
+pkg_postinst() {
+	# the libpng authors really screwed around between 1.2.1 and 1.2.3
+	if [ -f "${ROOT}/usr/$(get_libdir)/libpng.so.3.1.2.1" ] ; then
+		rm "${ROOT}/usr/$(get_libdir)/libpng.so.3.1.2.1"
+	fi
+}