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MSVC builds: Add support to build DirectWrite shaping backend 

Add into the NMake Makefiles to build the DirectWrite shaping backend,
but as PR #134 mentions, this is considered to be in an experimental state,
so don't include this in the build by default for now.  This is most probably
going to replace the Uniscribe backend eventually, since DirectWrite is meant
to be Uniscribe's replacement, and is needed for Windows Store apps if a
system shaping API is to be used.
This commit is contained in:
Chun-wei Fan 2015-12-09 14:57:15 +08:00
parent c679285455
commit f6ffba634b
4 changed files with 24 additions and 0 deletions
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4
win32/README.txt
View File

@ -68,6 +68,10 @@ ICU: Enables the build HarfBuzz-ICU, which is now the recommended layout engine
for ICU (International Components for Unicode), which deprecated ICU LE.
Requires the ICU libraries.
DIRECTWRITE: Enable (experimental) DirectWrite platform shaper support,
requires a rather recent Windows SDK, and at least Windows Vista/
Server 2008 with SP2 and platform update.
PYTHON: Full path to the Python interpretor to be used, if it is not in %PATH%.
PERL: Full path to the PERL interpretor to be used, if it is not in %PATH%.

10
win32/config-msvc.mak
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@ -20,6 +20,9 @@ CAIRO_LIB = cairo.lib
# Graphite2 is needed for building SIL Graphite2 support
GRAPHITE2_LIB = graphite2.lib
# Directwrite is needed for DirectWrite shaping support
DIRECTWRITE_LIB = dwrite.lib
# Please do not change anything beneath this line unless maintaining the NMake Makefiles
# Bare minimum features and sources built into HarfBuzz on Windows
HB_DEFINES =
@ -185,4 +188,11 @@ HB_CFLAGS = \
HB_SOURCES = $(HB_SOURCES) $(LIBHB_UCDN_sources) $(HB_UCDN_sources)
!endif
!if "$(DIRECTWRITE)" == "1"
HB_CFLAGS = $(HB_CFLAGS) /DHAVE_DIRECTWRITE
HB_SOURCES = $(HB_SOURCES) $(HB_DIRECTWRITE_sources)
HB_HEADERS = $(HB_HEADERS) $(HB_DIRECTWRITE_headers)
HB_DEP_LIBS = $(HB_DEP_LIBS) $(DIRECTWRITE_LIB)
!endif
HB_LIB_CFLAGS = $(HB_CFLAGS) /DHB_EXTERN="__declspec (dllexport) extern"

3
win32/config.h.win32.in
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@ -18,6 +18,9 @@
/* Define to 1 if you have the <dlfcn.h> header file. */
/* #undef HAVE_DLFCN_H */
/* Have DirectWrite Library */
/* #undef HAVE_DIRECTWRITE */
/* Have simple TrueType Layout backend */
#define HAVE_FALLBACK 1

7
win32/info-msvc.mak
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@ -23,6 +23,10 @@ INC_FEATURES = $(INC_FEATURES) FreeType
INC_FEATURES = $(INC_FEATURES) Graphite2
!endif
!if "$(DIRECTWRITE)" == "1"
INC_FEATURES = $(INC_FEATURES) DirectWrite
!endif
!if "$(ICU)" == "1"
BUILT_LIBRARIES = $(BUILT_LIBRARIES) HarfBuzz-ICU
!endif
@ -76,6 +80,9 @@ help:
@echo HarfBuzz DLL is built with OpenType, fallback and Uniscribe support
@echo with a bundled Unicode implementation (UCDN).
@echo ======
@echo DIRECTWRITE:
@echo Enable DirectWrite support, requires a recent enough Windows SDK.
@echo.
@echo GRAPHITE2:
@echo Enable graphite2 support, requires the SIL Graphite2 library
@echo.