add modified SDL_ttf for MIR

external/SDL_ttf/.gitignore

@@ -0,0 +1,20 @@
+*~
+/.deps/
+/.libs/
+/Makefile
+/SDL2_ttf.pc
+/SDL_ttf.lo
+/SDL_ttf.o
+/autom4te.cache/
+/confdefs.h
+/config.log
+/config.status
+/conftest.c
+/conftest.err
+/glfont
+/glfont.o
+/libSDL2_ttf.la
+/libtool
+/result
+/showfont
+/showfont.o

external/SDL_ttf/.hgignore

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+syntax:glob
+autom4te*
+config.cache
+config.log
+config.status
+Makefile
+libtool
+.deps
+.libs
+*.lo
+*.o
+*.la
+*.lai
+.DS_Store
+xcuserdata
+*.xcworkspace
+SDL2_ttf.pc
+glfont
+showfont

external/SDL_ttf/Android.mk

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+# Save the local path
+my_LOCAL_PATH := $(call my-dir)
+
+FREETYPE_LIBRARY_PATH := external/freetype-2.4.12
+
+# Build freetype library
+ifneq ($(FREETYPE_LIBRARY_PATH),)
+    include $(my_LOCAL_PATH)/$(FREETYPE_LIBRARY_PATH)/Android.mk
+endif
+
+# Restore local path
+LOCAL_PATH := $(my_LOCAL_PATH)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := SDL2_ttf
+
+LOCAL_C_INCLUDES := $(LOCAL_PATH)
+
+LOCAL_SRC_FILES := SDL_ttf.c
+
+ifneq ($(FREETYPE_LIBRARY_PATH),)
+    LOCAL_C_INCLUDES += $(LOCAL_PATH)/$(FREETYPE_LIBRARY_PATH)/include
+    LOCAL_STATIC_LIBRARIES += freetype
+endif
+
+LOCAL_SHARED_LIBRARIES := SDL2
+
+LOCAL_EXPORT_C_INCLUDES += $(LOCAL_C_INCLUDES)
+
+include $(BUILD_SHARED_LIBRARY)

external/SDL_ttf/CHANGES.txt

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+2.0.15:
+Sam Lantinga - Sun Sep 10 00:18:45 PDT 2017
+ * Text rendering functions now use the alpha component of the text colors
+Sam Lantinga - Sat Sep  9 22:21:55 PDT 2017
+ * Added support for characters greater than 0xFFFF (e.g. emoji) in the UTF-8 APIs
+
+2.0.14:
+Ryan Gordon - Fri Jan 29 12:53:29 PST 2016
+ * Deprecated TTF_GetFontKerningSize() which takes font glyph indices and added TTF_GetFontKerningSizeGlyphs() which takes characters
+
+2.0.13:
+Sylvain - Sat Jun 28 11:42:42 2014
+ * Fixed bug rendering text starting with a glyph with negative starting offset
+beuc - Sun Jun 15 18:27:28 2014
+ * Fixed regression loading non-scalable fonts
+Sam Lantinga - Sun Jun 15 18:21:04 PDT 2014
+ * TTF_GetFontKerningSize() gets kerning between two characters, not two glyph indices
+David Ludwig - Sun Apr 13 22:28:26 2014
+ * Added support for building for Windows RT and Windows Phone
+
+2.0.12:
+Sam Lantinga - Sat Jun  1 19:11:26 PDT 2013
+ * Updated for SDL 2.0 release
+
+2.0.11:
+Sam Lantinga - Sat Dec 31 10:49:42 EST 2011
+ * SDL_ttf is now under the zlib license
+Peter Kosyh - Mon Feb 28 14:57:03 PST 2011
+ * Improved font glyph caching for non-latin languages
+Erik Snoek - Wed Jan 12 09:10:15 PST 2011
+ * Added API to get kerning info: TTF_GetFontKerningSize()
+Sam Lantinga - Mon Jan 10 10:58:34 2011 -0800
+ * Added Android.mk to build on the Android platform
+
+2.0.10:
+Adam Strzelecki - Wed Oct 21 21:02:37 PDT 2009
+ * Find the Unicode or symbol character map if it's available in the font

external/SDL_ttf/CMakeLists.txt

@@ -0,0 +1,70 @@
+# Taken from https://github.com/Microsoft/vcpkg/blob/2ad118a2532e99a78c41dffa1b9648e7eca20a95/ports/sdl2-ttf/CMakeLists.txt
+
+cmake_minimum_required(VERSION 3.0)
+project(SDL2_TTF C)
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/mk/cmake)
+
+option(SDL2TTF_INSTALL "Install target for SDL2_ttf." ON)
+
+IF(MIR_BUILD)
+message("ITS MIR BUILD")
+find_package(SDL2 REQUIRED)
+set(SDL_INCLUDE_DIR ${SDL2_INCLUDE_DIRS})
+set(SDL_LIBRARY ${SDL2_LIBRARIES})
+find_path(SDL_INCLUDE_DIR SDL2/SDL.h)
+message(${SDL_INCLUDE_DIR})
+find_library(SDL_LIBRARY NAMES SDL2d SDL2)
+else()
+find_path(SDL_INCLUDE_DIR SDL2/SDL.h)
+find_library(SDL_LIBRARY NAMES SDL2d SDL2)
+
+endif()
+find_package(Freetype REQUIRED)
+
+add_library(SDL2_ttf SDL_ttf.c version.rc)
+
+set_target_properties(SDL2_ttf PROPERTIES DEFINE_SYMBOL SDL2_EXPORTS)
+IF(MIR_BUILD)
+target_include_directories(SDL2_ttf PRIVATE ${SDL_INCLUDE_DIR} ${FREETYPE_INCLUDE_DIR_ft2build} ${PROJECT_SOURCE_DIR})
+target_include_directories(SDL2_ttf PUBLIC ${SDL_INCLUDE_DIR})
+else()
+target_include_directories(SDL2_ttf PRIVATE ${SDL_INCLUDE_DIR}/SDL2 ${FREETYPE_INCLUDE_DIR_ft2build} ${PROJECT_SOURCE_DIR})
+target_include_directories(SDL2_ttf PUBLIC $<INSTALL_INTERFACE:include/SDL2>)
+endif()
+if(WITH_RAQM)
+  find_package(RAQM REQUIRED)
+  add_definitions(-DHAVE_RAQM=1)
+  target_include_directories(SDL2_ttf PRIVATE ${RAQM_INCLUDE_DIR})
+  target_link_libraries(SDL2_ttf PUBLIC ${RAQM_LIBRARY})
+endif()
+target_link_libraries(SDL2_ttf PRIVATE ${SDL_LIBRARY} ${FREETYPE_LIBRARY})
+
+if(SDL2TTF_INSTALL)
+  include(GNUInstallDirs)
+  install(TARGETS SDL2_ttf
+    EXPORT sdl2_ttf-targets
+    RUNTIME DESTINATION bin
+    ARCHIVE DESTINATION lib
+    LIBRARY DESTINATION lib)
+
+  if(NOT DEFINED SDL_TTF_SKIP_HEADERS)
+      install(FILES SDL_ttf.h DESTINATION include/SDL2)
+  endif()
+
+  # CMake integration
+  configure_file(sdl2_ttf-config.cmake.in
+    "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/sdl2_ttf-config.cmake" @ONLY)
+  install(FILES
+    "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/sdl2_ttf-config.cmake"
+    DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/SDL2_ttf/")
+  export(TARGETS SDL2_ttf
+    FILE "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/sdl2_ttf-targets.cmake")
+  export(PACKAGE SDL2_ttf)
+  install(EXPORT sdl2_ttf-targets
+    DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/SDL2_ttf/")
+endif()
+
+message(STATUS "Link-time dependencies:")
+message(STATUS "  " ${SDL_LIBRARY})
+message(STATUS "  " ${FREETYPE_LIBRARY})

external/SDL_ttf/COPYING.txt

@@ -0,0 +1,20 @@
+/*
+  SDL_ttf:  A companion library to SDL for working with TrueType (tm) fonts
+  Copyright (C) 1997-2018 Sam Lantinga <[email protected]>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/

external/SDL_ttf/Makefile.am

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+# Makefile.am for the SDL truetype font loading library and viewer
+
+lib_LTLIBRARIES = libSDL2_ttf.la
+
+libSDL2_ttfincludedir = $(includedir)/SDL2
+libSDL2_ttfinclude_HEADERS =	\
+	SDL_ttf.h
+
+libSDL2_ttf_la_SOURCES =		\
+	SDL_ttf.c
+
+EXTRA_DIST =			\
+	Android.mk		\
+	debian			\
+	external		\
+	version.rc		\
+	VisualC			\
+	Xcode			\
+	Xcode-iOS		\
+	SDL2_ttf.spec		\
+	SDL2_ttf.spec.in		\
+	gcc-fat.sh		\
+	autogen.sh			\
+	$(srcdir)/*.txt
+
+if USE_VERSION_RC
+libSDL2_ttf_la_LDFLAGS = 	\
+	-no-undefined		\
+	-release $(LT_RELEASE)	\
+	-version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE) -Wl,version.o
+libSDL2_ttf_la_DEPENDENCIES = version.o
+else
+libSDL2_ttf_la_LDFLAGS = 	\
+	-no-undefined		\
+	-release $(LT_RELEASE)	\
+	-version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)
+endif
+libSDL2_ttf_la_LIBADD = @MATHLIB@
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = SDL2_ttf.pc
+
+%.o : %.rc
+	$(WINDRES) $< $@
+
+noinst_PROGRAMS = showfont glfont
+
+showfont_LDADD = libSDL2_ttf.la
+glfont_LDADD = libSDL2_ttf.la @GL_LIBS@ @MATHLIB@
+
+# Rule to build tar-gzipped distribution package
+$(PACKAGE)-$(VERSION).tar.gz: distcheck
+
+# Rule to build RPM distribution package
+rpm: $(PACKAGE)-$(VERSION).tar.gz
+	rpmbuild -ta $(PACKAGE)-$(VERSION).tar.gz
+