summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/freetype/src/svg
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/freetype/src/svg')
-rw-r--r--src/3rdparty/freetype/src/svg/ftsvg.c350
-rw-r--r--src/3rdparty/freetype/src/svg/ftsvg.h35
-rw-r--r--src/3rdparty/freetype/src/svg/module.mk23
-rw-r--r--src/3rdparty/freetype/src/svg/rules.mk70
-rw-r--r--src/3rdparty/freetype/src/svg/svg.c24
-rw-r--r--src/3rdparty/freetype/src/svg/svgtypes.h42
6 files changed, 544 insertions, 0 deletions
diff --git a/src/3rdparty/freetype/src/svg/ftsvg.c b/src/3rdparty/freetype/src/svg/ftsvg.c
new file mode 100644
index 0000000000..55c50718f3
--- /dev/null
+++ b/src/3rdparty/freetype/src/svg/ftsvg.c
@@ -0,0 +1,350 @@
+/****************************************************************************
+ *
+ * ftsvg.c
+ *
+ * The FreeType SVG renderer interface (body).
+ *
+ * Copyright (C) 2022 by
+ * David Turner, Robert Wilhelm, Werner Lemberg, and Moazin Khatti.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+#include <freetype/internal/ftdebug.h>
+#include <freetype/internal/ftserv.h>
+#include <freetype/internal/services/svprop.h>
+#include <freetype/otsvg.h>
+#include <freetype/internal/svginterface.h>
+#include <freetype/ftbbox.h>
+
+#include "ftsvg.h"
+#include "svgtypes.h"
+
+
+ /**************************************************************************
+ *
+ * The macro FT_COMPONENT is used in trace mode. It is an implicit
+ * parameter of the FT_TRACE() and FT_ERROR() macros, usued to print/log
+ * messages during execution.
+ */
+#undef FT_COMPONENT
+#define FT_COMPONENT otsvg
+
+
+#ifdef FT_CONFIG_OPTION_SVG
+
+ /* ft_svg_init */
+ static FT_Error
+ ft_svg_init( SVG_Renderer svg_module )
+ {
+ FT_Error error = FT_Err_Ok;
+
+
+ svg_module->loaded = FALSE;
+ svg_module->hooks_set = FALSE;
+
+ return error;
+ }
+
+
+ static void
+ ft_svg_done( SVG_Renderer svg_module )
+ {
+ if ( svg_module->loaded == TRUE &&
+ svg_module->hooks_set == TRUE )
+ svg_module->hooks.free_svg( &svg_module->state );
+
+ svg_module->loaded = FALSE;
+ }
+
+
+ static FT_Error
+ ft_svg_preset_slot( FT_Module module,
+ FT_GlyphSlot slot,
+ FT_Bool cache )
+ {
+ SVG_Renderer svg_renderer = (SVG_Renderer)module;
+ SVG_RendererHooks hooks = svg_renderer->hooks;
+
+
+ if ( svg_renderer->hooks_set == FALSE )
+ {
+ FT_TRACE1(( "Hooks are NOT set. Can't render OT-SVG glyphs\n" ));
+ return FT_THROW( Missing_SVG_Hooks );
+ }
+
+ if ( svg_renderer->loaded == FALSE )
+ {
+ FT_TRACE3(( "ft_svg_preset_slot: first presetting call,"
+ " calling init hook\n" ));
+ hooks.init_svg( &svg_renderer->state );
+
+ svg_renderer->loaded = TRUE;
+ }
+
+ return hooks.preset_slot( slot, cache, &svg_renderer->state );
+ }
+
+
+ static FT_Error
+ ft_svg_render( FT_Renderer renderer,
+ FT_GlyphSlot slot,
+ FT_Render_Mode mode,
+ const FT_Vector* origin )
+ {
+ SVG_Renderer svg_renderer = (SVG_Renderer)renderer;
+
+ FT_Library library = renderer->root.library;
+ FT_Memory memory = library->memory;
+ FT_Error error;
+
+ FT_ULong size_image_buffer;
+
+ SVG_RendererHooks hooks = svg_renderer->hooks;
+
+
+ FT_UNUSED( mode );
+ FT_UNUSED( origin );
+
+ if ( mode != FT_RENDER_MODE_NORMAL )
+ return FT_THROW( Bad_Argument );
+
+ if ( svg_renderer->hooks_set == FALSE )
+ {
+ FT_TRACE1(( "Hooks are NOT set. Can't render OT-SVG glyphs\n" ));
+ return FT_THROW( Missing_SVG_Hooks );
+ }
+
+ if ( svg_renderer->loaded == FALSE )
+ {
+ FT_TRACE3(( "ft_svg_render: first rendering, calling init hook\n" ));
+ error = hooks.init_svg( &svg_renderer->state );
+
+ svg_renderer->loaded = TRUE;
+ }
+
+ ft_svg_preset_slot( (FT_Module)renderer, slot, TRUE );
+
+ size_image_buffer = (FT_ULong)slot->bitmap.pitch * slot->bitmap.rows;
+ /* No `FT_QALLOC` here since we need a clean, empty canvas */
+ /* to start with. */
+ if ( FT_ALLOC( slot->bitmap.buffer, size_image_buffer ) )
+ return error;
+
+ error = hooks.render_svg( slot, &svg_renderer->state );
+ if ( error )
+ FT_FREE( slot->bitmap.buffer );
+ else
+ slot->internal->flags |= FT_GLYPH_OWN_BITMAP;
+
+ return error;
+ }
+
+
+ static const SVG_Interface svg_interface =
+ {
+ (Preset_Bitmap_Func)ft_svg_preset_slot
+ };
+
+
+ static FT_Error
+ ft_svg_property_set( FT_Module module,
+ const char* property_name,
+ const void* value,
+ FT_Bool value_is_string )
+ {
+ FT_Error error = FT_Err_Ok;
+ SVG_Renderer renderer = (SVG_Renderer)module;
+
+
+ if ( !ft_strcmp( property_name, "svg-hooks" ) )
+ {
+ SVG_RendererHooks* hooks;
+
+
+ if ( value_is_string == TRUE )
+ {
+ error = FT_THROW( Invalid_Argument );
+ goto Exit;
+ }
+
+ hooks = (SVG_RendererHooks*)value;
+
+ if ( !hooks->init_svg ||
+ !hooks->free_svg ||
+ !hooks->render_svg ||
+ !hooks->preset_slot )
+ {
+ FT_TRACE0(( "ft_svg_property_set:"
+ " SVG rendering hooks not set because\n" ));
+ FT_TRACE0(( " "
+ " at least one function pointer is NULL\n" ));
+
+ error = FT_THROW( Invalid_Argument );
+ goto Exit;
+ }
+
+ renderer->hooks = *hooks;
+ renderer->hooks_set = TRUE;
+ }
+ else
+ error = FT_THROW( Missing_Property );
+
+ Exit:
+ return error;
+ }
+
+
+ static FT_Error
+ ft_svg_property_get( FT_Module module,
+ const char* property_name,
+ const void* value )
+ {
+ FT_Error error = FT_Err_Ok;
+ SVG_Renderer renderer = (SVG_Renderer)module;
+
+
+ if ( !ft_strcmp( property_name, "svg-hooks" ) )
+ {
+ SVG_RendererHooks* hooks = (SVG_RendererHooks*)value;
+
+
+ *hooks = renderer->hooks;
+ }
+ else
+ error = FT_THROW( Missing_Property );
+
+ return error;
+ }
+
+
+ FT_DEFINE_SERVICE_PROPERTIESREC(
+ ft_svg_service_properties,
+
+ (FT_Properties_SetFunc)ft_svg_property_set, /* set_property */
+ (FT_Properties_GetFunc)ft_svg_property_get /* get_property */
+ )
+
+
+ FT_DEFINE_SERVICEDESCREC1(
+ ft_svg_services,
+ FT_SERVICE_ID_PROPERTIES, &ft_svg_service_properties )
+
+
+ FT_CALLBACK_DEF( FT_Module_Interface )
+ ft_svg_get_interface( FT_Module module,
+ const char* ft_svg_interface )
+ {
+ FT_Module_Interface result;
+
+
+ FT_UNUSED( module );
+
+ result = ft_service_list_lookup( ft_svg_services, ft_svg_interface );
+ if ( result )
+ return result;
+
+ return 0;
+ }
+
+
+ static FT_Error
+ ft_svg_transform( FT_Renderer renderer,
+ FT_GlyphSlot slot,
+ const FT_Matrix* _matrix,
+ const FT_Vector* _delta )
+ {
+ FT_SVG_Document doc = (FT_SVG_Document)slot->other;
+ FT_Matrix* matrix = (FT_Matrix*)_matrix;
+ FT_Vector* delta = (FT_Vector*)_delta;
+
+ FT_Matrix tmp_matrix;
+ FT_Vector tmp_delta;
+
+ FT_Matrix a, b;
+ FT_Pos x, y;
+
+
+ FT_UNUSED( renderer );
+
+ if ( !matrix )
+ {
+ tmp_matrix.xx = 0x10000;
+ tmp_matrix.xy = 0;
+ tmp_matrix.yx = 0;
+ tmp_matrix.yy = 0x10000;
+
+ matrix = &tmp_matrix;
+ }
+
+ if ( !delta )
+ {
+ tmp_delta.x = 0;
+ tmp_delta.y = 0;
+
+ delta = &tmp_delta;
+ }
+
+ a = doc->transform;
+ b = *matrix;
+ FT_Matrix_Multiply( &b, &a );
+
+
+ x = ADD_LONG( ADD_LONG( FT_MulFix( matrix->xx, doc->delta.x ),
+ FT_MulFix( matrix->xy, doc->delta.y ) ),
+ delta->x );
+ y = ADD_LONG( ADD_LONG( FT_MulFix( matrix->yx, doc->delta.x ),
+ FT_MulFix( matrix->yy, doc->delta.y ) ),
+ delta->y );
+
+ doc->delta.x = x;
+ doc->delta.y = y;
+ doc->transform = a;
+
+ return FT_Err_Ok;
+ }
+
+#endif /* FT_CONFIG_OPTION_SVG */
+
+
+#ifdef FT_CONFIG_OPTION_SVG
+#define PUT_SVG_MODULE( a ) a
+#define SVG_GLYPH_FORMAT FT_GLYPH_FORMAT_SVG
+#else
+#define PUT_SVG_MODULE( a ) NULL
+#define SVG_GLYPH_FORMAT FT_GLYPH_FORMAT_NONE
+#endif
+
+
+ FT_DEFINE_RENDERER(
+ ft_svg_renderer_class,
+
+ FT_MODULE_RENDERER,
+ sizeof ( SVG_RendererRec ),
+
+ "ot-svg",
+ 0x10000L,
+ 0x20000L,
+
+ (const void*)PUT_SVG_MODULE( &svg_interface ), /* module specific interface */
+
+ (FT_Module_Constructor)PUT_SVG_MODULE( ft_svg_init ), /* module_init */
+ (FT_Module_Destructor)PUT_SVG_MODULE( ft_svg_done ), /* module_done */
+ PUT_SVG_MODULE( ft_svg_get_interface ), /* get_interface */
+
+ SVG_GLYPH_FORMAT,
+
+ (FT_Renderer_RenderFunc) PUT_SVG_MODULE( ft_svg_render ), /* render_glyph */
+ (FT_Renderer_TransformFunc)PUT_SVG_MODULE( ft_svg_transform ), /* transform_glyph */
+ NULL, /* get_glyph_cbox */
+ NULL, /* set_mode */
+ NULL /* raster_class */
+ )
+
+
+/* END */
diff --git a/src/3rdparty/freetype/src/svg/ftsvg.h b/src/3rdparty/freetype/src/svg/ftsvg.h
new file mode 100644
index 0000000000..73514b8cf3
--- /dev/null
+++ b/src/3rdparty/freetype/src/svg/ftsvg.h
@@ -0,0 +1,35 @@
+/****************************************************************************
+ *
+ * ftsvg.h
+ *
+ * The FreeType SVG renderer interface (specification).
+ *
+ * Copyright (C) 2022 by
+ * David Turner, Robert Wilhelm, Werner Lemberg, and Moazin Khatti.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+#ifndef FTSVG_H_
+#define FTSVG_H_
+
+#include <ft2build.h>
+#include <freetype/ftrender.h>
+#include <freetype/internal/ftobjs.h>
+
+
+FT_BEGIN_HEADER
+
+ FT_DECLARE_RENDERER( ft_svg_renderer_class )
+
+FT_END_HEADER
+
+#endif /* FTSVG_H_ */
+
+
+/* END */
diff --git a/src/3rdparty/freetype/src/svg/module.mk b/src/3rdparty/freetype/src/svg/module.mk
new file mode 100644
index 0000000000..30c3525747
--- /dev/null
+++ b/src/3rdparty/freetype/src/svg/module.mk
@@ -0,0 +1,23 @@
+#
+# FreeType 2 SVG renderer module definition
+#
+
+
+# Copyright (C) 2022 by
+# David Turner, Robert Wilhelm, Werner Lemberg, and Moazin Khatti.
+#
+# This file is part of the FreeType project, and may only be used, modified,
+# and distributed under the terms of the FreeType project license,
+# LICENSE.TXT. By continuing to use, modify, or distribute this file you
+# indicate that you have read the license and understand and accept it
+# fully.
+
+
+FTMODULE_H_COMMANDS += SVG_MODULE
+
+define SVG_MODULE
+$(OPEN_DRIVER) FT_Renderer_Class, ft_svg_renderer_class $(CLOSE_DRIVER)
+$(ECHO_DRIVER)ot-svg $(ECHO_DRIVER_DESC)OT-SVG glyph renderer module$(ECHO_DRIVER_DONE)
+endef
+
+# EOF
diff --git a/src/3rdparty/freetype/src/svg/rules.mk b/src/3rdparty/freetype/src/svg/rules.mk
new file mode 100644
index 0000000000..9c53128c4a
--- /dev/null
+++ b/src/3rdparty/freetype/src/svg/rules.mk
@@ -0,0 +1,70 @@
+#
+# FreeType 2 SVG renderer module build rules
+#
+
+
+# Copyright (C) 2022 by
+# David Turner, Robert Wilhelm, Werner Lemberg, and Moazin Khatti.
+#
+# This file is part of the FreeType project, and may only be used, modified,
+# and distributed under the terms of the FreeType project license,
+# LICENSE.TXT. By continuing to use, modify, or distribute this file you
+# indicate that you have read the license and understand and accept it
+# fully.
+
+
+# SVG renderer driver directory
+#
+SVG_DIR := $(SRC_DIR)/svg
+
+# compilation flags for the driver
+#
+SVG_COMPILE := $(CC) $(ANSIFLAGS) \
+ $I$(subst /,$(COMPILER_SEP),$(SVG_DIR)) \
+ $(INCLUDE_FLAGS) \
+ $(FT_CFLAGS)
+
+# SVG renderer sources (i.e., C files)
+#
+SVG_DRV_SRC := $(SVG_DIR)/ftsvg.c
+
+
+# SVG renderer headers
+#
+SVG_DRV_H := $(SVG_DIR)/ftsvg.h \
+ $(SVG_DIR)/svgtypes.h
+
+
+# SVG renderer object(s)
+#
+# SVG_DRV_OBJ_M is used during `multi' builds.
+# SVG_DRV_OBJ_S is used during `single' builds.
+#
+SVG_DRV_OBJ_M := $(SVG_DRV_SRC:$(SVG_DIR)/%.c=$(OBJ_DIR)/%.$O)
+SVG_DRV_OBJ_S := $(OBJ_DIR)/svg.$O
+
+# SVG renderer source file for single build
+#
+SVG_DRV_SRC_S := $(SVG_DIR)/svg.c
+
+
+# SVG renderer - single object
+#
+$(SVG_DRV_OBJ_S): $(SVG_DRV_SRC_S) $(SVG_DRV_SRC) \
+ $(FREETYPE_H) $(SVG_DRV_H)
+ $(SVG_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $(SVG_DRV_SRC_S))
+
+
+# SVG renderer - multiple objects
+#
+$(OBJ_DIR)/%.$O: $(SVG_DIR)/%.c $(FREETYPE_H) $(SVG_DRV_H)
+ $(SVG_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)
+
+
+# update main driver object lists
+#
+DRV_OBJS_S += $(SVG_DRV_OBJ_S)
+DRV_OBJS_M += $(SVG_DRV_OBJ_M)
+
+
+# EOF
diff --git a/src/3rdparty/freetype/src/svg/svg.c b/src/3rdparty/freetype/src/svg/svg.c
new file mode 100644
index 0000000000..b7e62a418c
--- /dev/null
+++ b/src/3rdparty/freetype/src/svg/svg.c
@@ -0,0 +1,24 @@
+/****************************************************************************
+ *
+ * svg.c
+ *
+ * FreeType SVG renderer module component (body only).
+ *
+ * Copyright (C) 2022 by
+ * David Turner, Robert Wilhelm, Werner Lemberg, and Moazin Khatti.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+#define FT_MAKE_OPTION_SINGLE_OBJECT
+
+#include "svgtypes.h"
+#include "ftsvg.c"
+
+
+/* END */
diff --git a/src/3rdparty/freetype/src/svg/svgtypes.h b/src/3rdparty/freetype/src/svg/svgtypes.h
new file mode 100644
index 0000000000..34fce47a34
--- /dev/null
+++ b/src/3rdparty/freetype/src/svg/svgtypes.h
@@ -0,0 +1,42 @@
+/****************************************************************************
+ *
+ * svgtypes.h
+ *
+ * The FreeType SVG renderer internal types (specification).
+ *
+ * Copyright (C) 2022 by
+ * David Turner, Robert Wilhelm, Werner Lemberg, and Moazin Khatti.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+#ifndef SVGTYPES_H_
+#define SVGTYPES_H_
+
+#include <ft2build.h>
+#include <freetype/internal/ftobjs.h>
+#include <freetype/ftrender.h>
+#include <freetype/otsvg.h>
+
+
+ typedef struct SVG_RendererRec_
+ {
+ FT_RendererRec root; /* this inherits FT_RendererRec */
+ FT_Bool loaded;
+ FT_Bool hooks_set;
+ SVG_RendererHooks hooks; /* this holds hooks for SVG rendering */
+ FT_Pointer state; /* a place for hooks to store state, if needed */
+
+ } SVG_RendererRec;
+
+ typedef struct SVG_RendererRec_* SVG_Renderer;
+
+#endif /* SVGTYPES_H_ */
+
+
+/* EOF */