Add graphics/webp-pixbuf-loader, gdkpixbuf2 loader and thumbnailer for webp

PR:		232872
Submitted by:	Greg V <greg@unrelenting.technology>

graphics/Makefile

@@ -1135,6 +1135,7 @@
     SUBDIR += wayland-protocols
     SUBDIR += waylandpp
     SUBDIR += webp
+    SUBDIR += webp-pixbuf-loader
     SUBDIR += wings
     SUBDIR += wmicons
     SUBDIR += wxsvg

graphics/webp-pixbuf-loader/Makefile

@@ -0,0 +1,29 @@
+# $FreeBSD$
+
+PORTNAME=	webp-pixbuf-loader
+PORTVERSION=	20160329
+CATEGORIES=	graphics
+
+MAINTAINER=	greg@unrelenting.technology
+COMMENT=	WebP image loader plugin for GdkPixbuf2
+
+LICENSE=	LGPL20+
+
+LIB_DEPENDS=	libwebp.so:graphics/webp
+
+USES=		gnome perl5 pkgconfig waf
+USE_GNOME=	gdkpixbuf2
+USE_GITHUB=	yes
+GH_ACCOUNT=	aruiz
+GH_TAGNAME=	9b92950d49d7
+
+PLIST_FILES=	lib/gdk-pixbuf-2.0/${GTK2_VERSION}/loaders/libpixbufloader-webp.so \
+		share/thumbnailers/gdk-pixbuf-webp-thumbnailer.thumbnailer
+
+post-install:
+	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/gdk-pixbuf-2.0/*/loaders/*
+	${MKDIR} ${STAGEDIR}${PREFIX}/share/thumbnailers
+	${SED} -e 's|@PREFIX@|${LOCALBASE}|g' ${FILESDIR}/gdk-pixbuf-webp-thumbnailer.thumbnailer \
+			> ${STAGEDIR}${PREFIX}/share/thumbnailers/gdk-pixbuf-webp-thumbnailer.thumbnailer
+
+.include <bsd.port.mk>

graphics/webp-pixbuf-loader/distinfo

@@ -0,0 +1,3 @@
+TIMESTAMP = 1541025028
+SHA256 (aruiz-webp-pixbuf-loader-20160329-9b92950d49d7_GH0.tar.gz) = 98bc7726ce18363b559253c698769921500f1a583d4d8deffb937c787f3792b0
+SIZE (aruiz-webp-pixbuf-loader-20160329-9b92950d49d7_GH0.tar.gz) = 86102

graphics/webp-pixbuf-loader/files/gdk-pixbuf-webp-thumbnailer.thumbnailer

@@ -0,0 +1,4 @@
+[Thumbnailer Entry]
+TryExec=@PREFIX@/bin/gdk-pixbuf-thumbnailer
+Exec=@PREFIX@/bin/gdk-pixbuf-thumbnailer -s %s %u %o
+MimeType=image/webp;

graphics/webp-pixbuf-loader/files/patch-wscript

@@ -0,0 +1,13 @@
+--- wscript.orig	2018-10-31 22:31:58 UTC
++++ wscript
+@@ -5,8 +5,8 @@ def options(opt):
+ def configure(conf):
+     conf.load('compiler_c glib2')
+     conf.find_program('gdk-pixbuf-query-loaders')
+-    conf.check_cc(lib='webp', header_name='webp/decode.h',
+-                  uselib_store='WEBP',  mandatory=True)
++    conf.check_cfg(package='libwebp', uselib_store='WEBP',
++                   args='--cflags --libs', mandatory=True)
+     conf.check_cfg(package='gdk-pixbuf-2.0', uselib_store='GDK_PIXBUF',
+                    atleast_version='2.22.0', args='--cflags --libs',
+                    mandatory=True)

graphics/webp-pixbuf-loader/pkg-descr

@@ -0,0 +1,4 @@
+A WebP image loader for GdkPixbuf2.
+Also a thumbnailer definition file for e.g. Nautilus.
+
+WWW: https://github.com/aruiz/webp-pixbuf-loader