Barebones of an SVG rendering module and making it part of the build system
This commit is contained in:
Moazin Khatti
parent
1ab8251ff1
commit
7915e5e102
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@ -22,7 +22,8 @@ FT_USE_MODULE( FT_Driver_ClassRec, pcf_driver_class )
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FT_USE_MODULE( FT_Module_Class, psaux_module_class )
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FT_USE_MODULE( FT_Module_Class, psnames_module_class )
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FT_USE_MODULE( FT_Module_Class, pshinter_module_class )
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FT_USE_MODULE( FT_Renderer_Class, ft_raster1_renderer_class )
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FT_USE_MODULE( FT_Renderer_Class, ft_svg_renderer_class )
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/*FT_USE_MODULE( FT_Renderer_Class, ft_raster1_renderer_class )*/
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FT_USE_MODULE( FT_Module_Class, sfnt_module_class )
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FT_USE_MODULE( FT_Renderer_Class, ft_smooth_renderer_class )
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FT_USE_MODULE( FT_Renderer_Class, ft_smooth_lcd_renderer_class )
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@ -99,6 +99,9 @@ RASTER_MODULES += raster
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# Anti-aliasing rasterizer.
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RASTER_MODULES += smooth
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# OT-SVG
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RASTER_MODULES += svg
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####
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#### auxiliary modules
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@ -4538,7 +4538,10 @@
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{
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case FT_GLYPH_FORMAT_BITMAP: /* already a bitmap, don't do anything */
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break;
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case FT_GLYPH_FORMAT_SVG: /* handle svg rendering */
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renderer = FT_Lookup_Renderer( library, slot->format, NULL );
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break;
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default:
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if ( slot->internal->load_flags & FT_LOAD_COLOR )
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{
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@ -0,0 +1,79 @@
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/****************************************************************************
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*
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* ftsvg.c
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*
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* The FreeType svg renderer interface (body).
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*
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* Copyright (C) 1996-2019 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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#include <ft2build.h>
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#include <stdio.h>
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#include "ftsvg.h"
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/* tmp hook injection */
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FT_Error
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tmp_svg_lib_init()
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{
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FT_Error error = FT_Err_Ok;
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printf("Init svg\n");
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return error;
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}
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/* ft_svg_init */
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static FT_Error
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ft_svg_init( SVG_Renderer svg_module )
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{
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FT_Error error = FT_Err_Ok;
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SVG_RendererHooks hooks;
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hooks.svg_lib_init = tmp_svg_lib_init;
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svg_module->hooks = hooks;
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svg_module->loaded = FALSE;
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return error;
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}
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static FT_Error
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ft_svg_render( FT_Renderer renderer,
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FT_GlyphSlot slot,
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FT_Render_Mode mode,
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const FT_Vector* origin )
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{
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SVG_Renderer renderer_ = (SVG_Renderer)renderer;
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if( renderer_->loaded == FALSE )
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renderer_->loaded = TRUE;
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renderer_->hooks.svg_lib_init();
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}
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FT_DEFINE_RENDERER(
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ft_svg_renderer_class,
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FT_MODULE_RENDERER,
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sizeof( SVG_RendererRec ),
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"ot-svg",
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0x10000L,
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0x20000L,
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NULL, /* module specific interface */
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(FT_Module_Constructor)ft_svg_init, /* module_init */
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NULL,
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NULL,
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FT_GLYPH_FORMAT_SVG,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL
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)
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@ -0,0 +1,32 @@
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/****************************************************************************
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*
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* ftsvg.h
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*
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* The FreeType svg renderer interface (specification).
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*
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* Copyright (C) 1996-2019 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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#ifndef FTSVG_H_
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#define FTSVG_H_
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#include <ft2build.h>
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#include FT_RENDER_H
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FT_BEGIN_HEADER
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FT_DECLARE_RENDERER( ft_svg_renderer_class )
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FT_END_HEADER
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#endif /* FTSVG_H_ */
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/* END */
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@ -0,0 +1,23 @@
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#
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# FreeType 2 svg renderer module definition
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#
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# Copyright (C) 1996-2019 by
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# David Turner, Robert Wilhelm, and Werner Lemberg.
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#
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# This file is part of the FreeType project, and may only be used, modified,
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# and distributed under the terms of the FreeType project license,
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# LICENSE.TXT. By continuing to use, modify, or distribute this file you
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# indicate that you have read the license and understand and accept it
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# fully.
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FTMODULE_H_COMMANDS += SVG_MODULE
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define SVG_MODULE
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$(OPEN_DRIVER) FT_Renderer_Class, ft_svg_renderer_class $(CLOSE_DRIVER)
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$(ECHO_DRIVER)svg $(ECHO_DRIVER_DESC)svg renderer module$(ECHO_DRIVER_DONE)
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endef
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# EOF
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@ -0,0 +1,72 @@
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#
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# FreeType 2 svg renderer module build rules
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#
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# Copyright (C) 1996-2019 by
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# David Turner, Robert Wilhelm, and Werner Lemberg.
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#
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# This file is part of the FreeType project, and may only be used, modified,
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# and distributed under the terms of the FreeType project license,
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# LICENSE.TXT. By continuing to use, modify, or distribute this file you
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# indicate that you have read the license and understand and accept it
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# fully.
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# svg renderer driver directory
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#
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SVG_DIR := $(SRC_DIR)/svg
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# compilation flags for the driver
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#
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SVG_COMPILE := $(CC) $(ANSIFLAGS) \
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$I$(subst /,$(COMPILER_SEP),$(SVG_DIR)) \
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$(INCLUDE_FLAGS) \
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$(FT_CFLAGS)
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# raster driver sources (i.e., C files)
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#
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SVG_DRV_SRC := $(SVG_DIR)/ftsvg.c \
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$(SVG_DIR)/svgtypes.c
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# raster driver headers
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#
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SVG_DRV_H := $(SVG_DIR)/ftsvg.h
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# raster driver object(s)
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#
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# RASTER_DRV_OBJ_M is used during `multi' builds.
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# RASTER_DRV_OBJ_S is used during `single' builds.
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#
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#RASTER_DRV_OBJ_M := $(RASTER_DRV_SRC:$(RASTER_DIR)/%.c=$(OBJ_DIR)/%.$O)
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SVG_DRV_OBJ_M := $(SVG_DRV_SRC:$(SVG_DIR)/%.c=$(OBJ_DIR)/%.$O)
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SVG_DRV_OBJ_S := $(OBJ_DIR)/svg.$O
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# raster driver source file for single build
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#
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SVG_DRV_SRC_S := $(SVG_DIR)/svg.c
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# raster driver - single object
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#
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$(SVG_DRV_OBJ_S): $(SVG_DRV_SRC_S) $(SVG_DRV_SRC) \
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$(FREETYPE_H) $(SVG_DRV_H)
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$(SVG_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $(SVG_DRV_SRC_S))
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# raster driver - multiple objects
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#
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$(OBJ_DIR)/%.$O: $(SVG_DIR)/%.c $(FREETYPE_H) $(SVG_DRV_H)
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$(SVG_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)
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# update main driver object lists
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#
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DRV_OBJS_S += $(SVG_DRV_OBJ_S)
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DRV_OBJS_M += $(SVG_DRV_OBJ_M)
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# EOF
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@ -0,0 +1,25 @@
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/****************************************************************************
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*
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* svg.c
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*
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* FreeType svg renderer module component (body only).
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*
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* Copyright (C) 1996-2019 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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#define FT_MAKE_OPTION_SINGLE_OBJECT
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#include <ft2build.h>
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#include "svgtypes.c"
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#include "ftsvg.c"
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/* END */
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@ -0,0 +1,43 @@
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/****************************************************************************
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*
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* svgtypes.h
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*
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* TODO:
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* The FreeType svg renderer internal types (specification).
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*
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* Copyright (C) 1996-2019 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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#include <ft2build.h>
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#include FT_INTERNAL_OBJECTS_H
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#include FT_RENDER_H
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/* Function Pointer definitions for SVG_RendererHooks */
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typedef FT_Error (*SVG_Lib_Init)(); /* initialize the external lib */
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typedef FT_Error (*SVG_Lib_Free)(); /* destroy the external lib */
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typedef struct SVG_RendererHooks_
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{
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/* Api Hooks for OT-SVG Rendering */
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SVG_Lib_Init svg_lib_init;
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SVG_Lib_Free svg_lib_free;
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} SVG_RendererHooks;
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typedef struct SVG_RendererRec_
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{
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FT_RendererRec root; /* This inherits FT_RendererRec */
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FT_Bool loaded;
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SVG_RendererHooks hooks; /* Holds out hooks to the outside library */
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} SVG_RendererRec;
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typedef struct SVG_RendererRec_* SVG_Renderer;
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