From 461750c38e1835e4a730e0f83a48fe090f41feae Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Wed, 21 Dec 2016 15:05:02 +0000
Subject: X11 platform: Add optional use of the pango library to draw text,
 gaining the possibility to draw text in any script supported by Unicode.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12153 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 CMake/options.cmake | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'CMake')

diff --git a/CMake/options.cmake b/CMake/options.cmake
index 3ffe574be..0b6d2c098 100644
--- a/CMake/options.cmake
+++ b/CMake/options.cmake
@@ -372,8 +372,46 @@ endif(OPTION_USE_XCURSOR)
 #######################################################################
 if(X11_Xft_FOUND)
    option(OPTION_USE_XFT "use lib Xft" ON)
+   option(OPTION_USE_PANGO "use lib Pango" OFF)
 endif(X11_Xft_FOUND)
 
+#######################################################################
+if(X11_Xft_FOUND AND OPTION_USE_PANGO)
+#this covers Debian, Ubuntu, FreeBSD, NetBSD, Darwin
+   if(APPLE AND OPTION_APPLE_X11)
+	list(APPEND CMAKE_INCLUDE_PATH  /sw/include)
+    	list(APPEND CMAKE_LIBRARY_PATH  /sw/lib)
+   endif(APPLE AND OPTION_APPLE_X11)
+   find_file(HAVE_PANGO_H pango-1.0/pango/pango.h ${CMAKE_INCLUDE_PATH})
+   find_file(HAVE_PANGOXFT_H pango-1.0/pango/pangoxft.h ${CMAKE_INCLUDE_PATH})
+
+  if(HAVE_PANGO_H AND HAVE_PANGOXFT_H)
+    find_library(HAVE_LIB_PANGO pango-1.0 ${CMAKE_LIBRARY_PATH})
+    find_library(HAVE_LIB_PANGOXFT pangoxft-1.0 ${CMAKE_LIBRARY_PATH})
+    if(APPLE)
+    	set(HAVE_LIB_GOBJECT TRUE)
+    else()
+    	find_library(HAVE_LIB_GOBJECT gobject-2.0 ${CMAKE_LIBRARY_PATH})
+    endif(APPLE)
+  endif(HAVE_PANGO_H AND HAVE_PANGOXFT_H)
+  if(HAVE_LIB_PANGO AND HAVE_LIB_PANGOXFT AND HAVE_LIB_GOBJECT)
+    set(USE_PANGO TRUE)
+    message(STATUS "USE_PANGO=" ${USE_PANGO})
+    #remove last 3 components of HAVE_PANGO_H and put in PANGO_H_PREFIX
+    get_filename_component(PANGO_H_PREFIX ${HAVE_PANGO_H} PATH)
+    get_filename_component(PANGO_H_PREFIX ${PANGO_H_PREFIX} PATH)
+    get_filename_component(PANGO_H_PREFIX ${PANGO_H_PREFIX} PATH)
+
+    get_filename_component(PANGOLIB_DIR ${HAVE_LIB_PANGO} PATH)
+    #glib.h is usually in ${PANGO_H_PREFIX}/glib-2.0/ ...
+    find_path(GLIB_H_PATH glib.h ${PANGO_H_PREFIX}/glib-2.0)
+    if(NOT GLIB_H_PATH) # ... but not under NetBSD
+		find_path(GLIB_H_PATH glib.h ${PANGO_H_PREFIX}/glib/glib-2.0)
+    endif(NOT GLIB_H_PATH)
+    include_directories(${PANGO_H_PREFIX}/pango-1.0 ${GLIB_H_PATH} ${PANGOLIB_DIR}/glib-2.0/include)
+  endif(HAVE_LIB_PANGO AND HAVE_LIB_PANGOXFT AND HAVE_LIB_GOBJECT)
+endif(X11_Xft_FOUND AND OPTION_USE_PANGO)
+
 if(OPTION_USE_XFT)
    set(USE_XFT X11_Xft_FOUND)
    list(APPEND FLTK_LDLIBS -lXft)
-- 
cgit v1.2.3