graphics/freetype-gl: Add DEMO option to install demo programs

because they are nice programs.

2 files changed, 73 insertions, 2 deletions

diff --git a/graphics/freetype-gl/Makefile b/graphics/freetype-gl/Makefile
index dfc20cb3ba52..f8b5b45cbc38 100644
--- a/graphics/freetype-gl/Makefile
+++ b/graphics/freetype-gl/Makefile
@@ -2,7 +2,7 @@
 
 PORTNAME=	freetype-gl
 DISTVERSION=	g20210208
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	graphics
 
 PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
@@ -27,14 +27,33 @@ GH_ACCOUNT=	rougier
 GH_TAGNAME=	647b062
 
 CMAKE_ON=	BUILD_SHARED_LIBS
-CMAKE_OFF=	freetype-gl_BUILD_DEMOS freetype-gl_BUILD_APIDOC freetype-gl_BUILD_TESTS # DEMOS depend on graphics/anttweakbar, glfw3
+CMAKE_OFF=	freetype-gl_BUILD_APIDOC freetype-gl_BUILD_TESTS
 
 LDFLAGS+=	-L${LOCALBASE}/lib -lGLEW -lfreetype # https://github.com/rougier/freetype-gl/issues/236
 
+OPTIONS_DEFINE=		DEMOS
+OPTIONS_SUB=		yes
+
+DEMOS_DESC=		Build and install demo programs
+DEMOS_USE=		GL=gl,glu
+DEMOS_CMAKE_BOOL=	freetype-gl_BUILD_DEMOS
+DEMOS_LIB_DEPENDS=	libAntTweakBar.so:graphics/anttweakbar \
+			libfontconfig.so:x11-fonts/fontconfig \
+			libglfw.so:graphics/glfw
+
+post-patch-DEMOS-on:
+	@${REINPLACE_CMD} -i '' 's|"data/|"${DATADIR}/data/|g ; s|"fonts/|"${DATADIR}/fonts/|g ; s|"shaders/|"${DATADIR}/shaders/|g' ${WRKSRC}/demos/*.c
+
 do-test: # build breaks: https://github.com/rougier/freetype-gl/issues/234
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -Dfreetype-gl_BUILD_TESTS:BOOL=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} test
 
+do-install-DEMOS-on:
+.for e in ansi atb-agg benchmark cartoon console cube distance-field distance-field-2 distance-field-3 embedded-font font gamma glyph lcd markup outline subpixel texture
+	${INSTALL_PROGRAM} ${BUILD_WRKSRC}/demos/${e} ${STAGEDIR}${PREFIX}/bin/ftgl-demo-${e}
+.endfor
+	cd ${BUILD_WRKSRC}/demos && ${COPYTREE_SHARE} "data fonts shaders" ${STAGEDIR}${DATADIR}
+
 .include <bsd.port.mk>
diff --git a/graphics/freetype-gl/pkg-plist b/graphics/freetype-gl/pkg-plist
index 9325b16c0f1f..965ed8a874d9 100644
--- a/graphics/freetype-gl/pkg-plist
+++ b/graphics/freetype-gl/pkg-plist
@@ -1,3 +1,21 @@
+%%DEMOS%%bin/ftgl-demo-ansi
+%%DEMOS%%bin/ftgl-demo-atb-agg
+%%DEMOS%%bin/ftgl-demo-benchmark
+%%DEMOS%%bin/ftgl-demo-cartoon
+%%DEMOS%%bin/ftgl-demo-console
+%%DEMOS%%bin/ftgl-demo-cube
+%%DEMOS%%bin/ftgl-demo-distance-field
+%%DEMOS%%bin/ftgl-demo-distance-field-2
+%%DEMOS%%bin/ftgl-demo-distance-field-3
+%%DEMOS%%bin/ftgl-demo-embedded-font
+%%DEMOS%%bin/ftgl-demo-font
+%%DEMOS%%bin/ftgl-demo-gamma
+%%DEMOS%%bin/ftgl-demo-glyph
+%%DEMOS%%bin/ftgl-demo-lcd
+%%DEMOS%%bin/ftgl-demo-markup
+%%DEMOS%%bin/ftgl-demo-outline
+%%DEMOS%%bin/ftgl-demo-subpixel
+%%DEMOS%%bin/ftgl-demo-texture
 include/freetype-gl/distance-field.h
 include/freetype-gl/edtaa3func.h
 include/freetype-gl/font-manager.h
@@ -14,3 +32,37 @@ include/freetype-gl/vector.h
 include/freetype-gl/vertex-attribute.h
 include/freetype-gl/vertex-buffer.h
 lib/libfreetype-gl.so
+%%DEMOS%%%%DATADIR%%/data/256colors.txt
+%%DEMOS%%%%DATADIR%%/fonts/Liberastika-Regular-LICENSE.txt
+%%DEMOS%%%%DATADIR%%/fonts/Liberastika-Regular.ttf
+%%DEMOS%%%%DATADIR%%/fonts/Lobster-LICENSE.txt
+%%DEMOS%%%%DATADIR%%/fonts/Lobster-Regular.ttf
+%%DEMOS%%%%DATADIR%%/fonts/LuckiestGuy-LICENSE.txt
+%%DEMOS%%%%DATADIR%%/fonts/LuckiestGuy.ttf
+%%DEMOS%%%%DATADIR%%/fonts/OldStandard-LICENSE.txt
+%%DEMOS%%%%DATADIR%%/fonts/OldStandard-Regular.ttf
+%%DEMOS%%%%DATADIR%%/fonts/SourceCodePro-LICENSE.txt
+%%DEMOS%%%%DATADIR%%/fonts/SourceCodePro-Regular.ttf
+%%DEMOS%%%%DATADIR%%/fonts/SourceSansPro-LICENSE.txt
+%%DEMOS%%%%DATADIR%%/fonts/SourceSansPro-Regular.ttf
+%%DEMOS%%%%DATADIR%%/fonts/VERA-COPYRIGHT
+%%DEMOS%%%%DATADIR%%/fonts/Vera.ttf
+%%DEMOS%%%%DATADIR%%/fonts/VeraMoBI.ttf
+%%DEMOS%%%%DATADIR%%/fonts/VeraMoBd.ttf
+%%DEMOS%%%%DATADIR%%/fonts/VeraMoIt.ttf
+%%DEMOS%%%%DATADIR%%/fonts/VeraMono.ttf
+%%DEMOS%%%%DATADIR%%/fonts/amiri-regular.ttf
+%%DEMOS%%%%DATADIR%%/fonts/amiri-regular_LICENSE.txt
+%%DEMOS%%%%DATADIR%%/fonts/fireflysung-LICENSE.txt
+%%DEMOS%%%%DATADIR%%/fonts/fireflysung.ttf
+%%DEMOS%%%%DATADIR%%/shaders/cube.frag
+%%DEMOS%%%%DATADIR%%/shaders/cube.vert
+%%DEMOS%%%%DATADIR%%/shaders/distance-field-2.frag
+%%DEMOS%%%%DATADIR%%/shaders/distance-field.frag
+%%DEMOS%%%%DATADIR%%/shaders/distance-field.vert
+%%DEMOS%%%%DATADIR%%/shaders/text.frag
+%%DEMOS%%%%DATADIR%%/shaders/text.vert
+%%DEMOS%%%%DATADIR%%/shaders/v3f-c4f.frag
+%%DEMOS%%%%DATADIR%%/shaders/v3f-c4f.vert
+%%DEMOS%%%%DATADIR%%/shaders/v3f-t2f-c4f.frag
+%%DEMOS%%%%DATADIR%%/shaders/v3f-t2f-c4f.vert