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[sdf] Add build infrastructure.

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* src/sdf/module.mk, src/sfd/rules.mk: New files.

* src/sdf/ftsdf.h (ft_sdf_raster): New forward declaration.

* include/freetype/ftmoderr.h (FT_MODERRDEF): Add error definition
for the 'sdf' module.

* include/freetype/internal/fttrace.h (FT_TRACE_DEF): Add trace
definition for the `sdf' module.

* modules.cfg (RASTER_MODULES): Add the `sdf' module to the list of
rasterizers.
This commit is contained in:
Anuj Verma 2020-08-19 16:57:38 +05:30 committed by Werner Lemberg
parent 665ac96792
commit 879ca87f0b
7 changed files with 106 additions and 0 deletions
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17
ChangeLog
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@ -1,3 +1,20 @@
2020-08-19 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] Add build infrastructure.
* src/sdf/module.mk, src/sfd/rules.mk: New files.
* src/sdf/ftsdf.h (ft_sdf_raster): New forward declaration.
* include/freetype/ftmoderr.h (FT_MODERRDEF): Add error definition
for the 'sdf' module.
* include/freetype/internal/fttrace.h (FT_TRACE_DEF): Add trace
definition for the `sdf' module.
* modules.cfg (RASTER_MODULES): Add the `sdf' module to the list of
rasterizers.
2020-08-19 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] Add interface functions for the 'sdf' rasterizer.

1
include/freetype/ftmoderr.h
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@ -171,6 +171,7 @@
FT_MODERRDEF( Type42, 0x1400, "Type 42 module" )
FT_MODERRDEF( Winfonts, 0x1500, "Windows FON/FNT module" )
FT_MODERRDEF( GXvalid, 0x1600, "GX validation module" )
FT_MODERRDEF( Sdf, 0x1700, "Signed distance field raster module" )
#ifdef FT_MODERR_END_LIST

1
include/freetype/internal/fttrace.h
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@ -44,6 +44,7 @@ FT_TRACE_DEF( psprops ) /* PS driver properties (ftpsprop.c) */
FT_TRACE_DEF( raccess ) /* resource fork accessor (ftrfork.c) */
FT_TRACE_DEF( raster ) /* monochrome rasterizer (ftraster.c) */
FT_TRACE_DEF( smooth ) /* anti-aliasing raster (ftgrays.c) */
FT_TRACE_DEF( sdf ) /* signed distance raster (ftsdf.c) */
FT_TRACE_DEF( synth ) /* bold/slant synthesizer (ftsynth.c) */
/* Cache sub-system */

3
modules.cfg
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@ -99,6 +99,9 @@ RASTER_MODULES += raster
# Anti-aliasing rasterizer.
RASTER_MODULES += smooth
# Signed distance field rasterizer.
RASTER_MODULES += sdf
####
#### auxiliary modules

4
src/sdf/ftsdf.h
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@ -63,6 +63,10 @@ FT_BEGIN_HEADER
} SDF_Raster_Params;
/* rasterizer to convert outline to SDF */
FT_EXPORT_VAR( const FT_Raster_Funcs ) ft_sdf_raster;
FT_END_HEADER
#endif /* FTSDF_H_ */

16
src/sdf/module.mk Normal file
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@ -0,0 +1,16 @@
FTMODULE_H_COMMANDS += SDF_RENDERER
FTMODULE_H_COMMANDS += BSDF_RENDERER
define SDF_RENDERER
$(OPEN_DRIVER) FT_Renderer_Class, ft_sdf_renderer_class $(CLOSE_DRIVER)
$(ECHO_DRIVER)sdf $(ECHO_DRIVER_DESC)signed distance field renderer$(ECHO_DRIVER_DONE)
endef
define BSDF_RENDERER
$(OPEN_DRIVER) FT_Renderer_Class, ft_bitmap_sdf_renderer_class $(CLOSE_DRIVER)
$(ECHO_DRIVER)bsdf $(ECHO_DRIVER_DESC)bitmap to signed distance field converter$(ECHO_DRIVER_DONE)
endef
#EOF

64
src/sdf/rules.mk Normal file
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@ -0,0 +1,64 @@
# sdf driver directory
#
SDF_DIR := $(SRC_DIR)/sdf
# compilation flags for the driver
#
SDF_COMPILE := $(CC) $(ANSIFLAGS) \
$I$(subst /,$(COMPILER_SEP),$(SDF_DIR)) \
$(INCLUDE_FLAGS) \
$(FT_CFLAGS)
# sdf driver sources (i.e., C files)
#
SDF_DRV_SRC := $(SDF_DIR)/ftsdfrend.c \
$(SDF_DIR)/ftsdf.c \
$(SDF_DIR)/ftbsdf.c
# sdf driver headers
#
SDF_DRV_H := $(SDF_DIR)/ftsdfrend.h \
$(SDF_DIR)/ftsdf.h \
$(SDF_DIR)/ftsdferrs.h \
$(SDF_DIR)/ftsdfcommon.h
# sdf driver object(s)
#
# SDF_DRV_OBJ_M is used during `multi' builds.
# SDF_DRV_OBJ_S is used during `single' builds.
#
SDF_DRV_OBJ_M := $(SDF_DRV_SRC:$(SDF_DIR)/%.c=$(OBJ_DIR)/%.$O)
SDF_DRV_OBJ_S := $(OBJ_DIR)/sdf.$O
# sdf driver source file for single build
#
SDF_DRV_SRC_S := $(SDF_DIR)/sdf.c
# sdf driver - single object
#
$(SDF_DRV_OBJ_S): $(SDF_DRV_SRC_S) $(SDF_DRV_SRC) \
$(FREETYPE_H) $(SDF_DRV_H)
$(SDF_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $(SDF_DRV_SRC_S))
# sdf driver - multiple objects
#
$(OBJ_DIR)/%.$O: $(SDF_DIR)/%.c $(FREETYPE_H) $(SDF_DRV_H)
$(SDF_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)
# update main driver list
#
DRV_OBJS_S += $(SDF_DRV_OBJ_S)
DRV_OBJS_M += $(SDF_DRV_OBJ_M)
# EOF