[WIP] OpenType Support

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "stb"]
  path = stb
  url = https://github.com/nothings/stb.git
+[submodule "libunibreak"]
+ path = libunibreak
+ url = https://github.com/adah1972/libunibreak

CREDITS

@@ -8,10 +8,13 @@ This project makes use of a number of third-party libraries, which we'll acknowl
  Released into the public domain.
  (https://www.cprogramming.com/tutorial/unicode.html)
 
- * stb_image (Image loader), by Sean Barrett,
+ * stb_image (Image loader) and stb_truetype (font renderer), by Sean Barrett,
  Released into the public domain.
  (http:https://nothings.org/stb)
 
+ * libunibreak (Unicode line breaking implementation) by Wu Yongwei, et al
+ Licensed under the Zlib license
+ (https://github.com/adah1972/libunibreak)
 
 As well as a number of third-party resources (namely, font files):
 

Makefile

@@ -179,10 +179,16 @@ ifdef MATHS
  EXTRA_CPPFLAGS+=-DFBINK_WITH_MATHS
  LIBS+=-lm
 endif
-
+ifndef MINIMAL
+ LIBS+=-lm
+endif
 ##
 # Now that we're done fiddling with flags, let's build stuff!
-LIB_SRCS=fbink.c utf8/utf8.c
+ifdef MINIMAL
+ LIB_SRCS=fbink.c utf8/utf8.c
+else
+ LIB_SRCS=fbink.c utf8/utf8.c libunibreak/src/linebreak.c libunibreak/src/linebreakdata.c libunibreak/src/unibreakdef.c libunibreak/src/linebreakdef.c
+endif
 CMD_SRCS=fbink_cmd.c
 BTN_SRCS=button_scan_cmd.c
 # Unless we're asking for a minimal build, include the Unscii fonts, too
@@ -191,6 +197,7 @@ ifdef MINIMAL
 else
  EXTRA_CPPFLAGS+=-DFBINK_WITH_FONTS
  EXTRA_CPPFLAGS+=-DFBINK_WITH_IMAGE
+ EXTRA_CPPFLAGS+=-DFBINK_WITH_OPENTYPE
  # Connect button scanning is Kobo specific
  ifndef KINDLE
  ifndef CERVANTES
@@ -235,7 +242,7 @@ $(OUT_DIR)/%.o: %.c
  $(CC) $(CPPFLAGS) $(EXTRA_CPPFLAGS) $(CFLAGS) $(EXTRA_CFLAGS) $(SHARED_CFLAGS) -o $@ -c $<
 
 outdir:
- mkdir -p $(OUT_DIR)/shared/utf8 $(OUT_DIR)/static/utf8
+ mkdir -p $(OUT_DIR)/shared/utf8 $(OUT_DIR)/static/utf8 $(OUT_DIR)/shared/libunibreak/src $(OUT_DIR)/static/libunibreak/src
 
 all: outdir static
 
@@ -348,17 +355,21 @@ clean:
  rm -rf Release/*.so*
  rm -rf Release/shared/*.o
  rm -rf Release/shared/utf8/*.o
+ rm -rf Release/shared/libunibreak/src/*.o
  rm -rf Release/static/*.o
  rm -rf Release/static/utf8/*.o
+ rm -rf Release/static/libunibreak/src/*.o
  rm -rf Release/*.o
  rm -rf Release/fbink
  rm -rf Release/button_scan
  rm -rf Debug/*.a
  rm -rf Debug/*.so*
  rm -rf Debug/shared/*.o
  rm -rf Debug/shared/utf8/*.o
+ rm -rf Debug/shared/libunibreak/src/*.o
  rm -rf Debug/static/*.o
  rm -rf Debug/static/utf8/*.o
+ rm -rf Debug/static/libunibreak/src/*.o
  rm -rf Debug/*.o
  rm -rf Debug/fbink
  rm -rf Debug/button_scan