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authorWlodekM <[email protected]>2024-06-16 10:35:45 +0300
committerWlodekM <[email protected]>2024-06-16 10:35:45 +0300
commitabef6da56913f1c55528103e60a50451a39628b1 (patch)
treeb3c8092471ecbb73e568cd0d336efa0e7871ee8d /src/freetype/afmodule.c
initial commit
Diffstat (limited to 'src/freetype/afmodule.c')
-rw-r--r--src/freetype/afmodule.c144
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diff --git a/src/freetype/afmodule.c b/src/freetype/afmodule.c
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+/***************************************************************************/
+/*                                                                         */
+/*  afmodule.c                                                             */
+/*                                                                         */
+/*    Auto-fitter module implementation (body).                            */
+/*                                                                         */
+/*  Copyright 2003-2018 by                                                 */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  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 "afglobal.h"
+#include "afmodule.h"
+#include "afloader.h"
+#include "aferrors.h"
+
+#include FT_INTERNAL_OBJECTS_H
+#include FT_INTERNAL_DEBUG_H
+#include FT_DRIVER_H
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
+  /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
+  /* messages during execution.                                            */
+  /*                                                                       */
+#undef  FT_COMPONENT
+#define FT_COMPONENT  trace_afmodule
+
+
+  static const FT_ServiceDescRec  af_services[] =
+  {
+	  { NULL, NULL }
+  };
+
+
+  FT_CALLBACK_DEF( FT_Module_Interface )
+  af_get_interface( FT_Module    module,
+                    const char*  module_interface )
+  {
+    FT_UNUSED( module );
+
+    return ft_service_list_lookup( af_services, module_interface );
+  }
+
+
+  FT_CALLBACK_DEF( FT_Error )
+  af_autofitter_init( FT_Module  ft_module )      /* AF_Module */
+  {
+    AF_Module  module = (AF_Module)ft_module;
+
+
+    module->fallback_style    = AF_STYLE_FALLBACK;
+    module->default_script    = AF_SCRIPT_DEFAULT;
+#ifdef AF_CONFIG_OPTION_USE_WARPER
+    module->warping           = 0;
+#endif
+    module->no_stem_darkening = TRUE;
+
+    module->darken_params[0]  = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1;
+    module->darken_params[1]  = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1;
+    module->darken_params[2]  = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2;
+    module->darken_params[3]  = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2;
+    module->darken_params[4]  = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3;
+    module->darken_params[5]  = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3;
+    module->darken_params[6]  = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4;
+    module->darken_params[7]  = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4;
+
+    return FT_Err_Ok;
+  }
+
+
+  FT_CALLBACK_DEF( void )
+  af_autofitter_done( FT_Module  ft_module )      /* AF_Module */
+  {
+    FT_UNUSED( ft_module );
+  }
+
+
+  FT_CALLBACK_DEF( FT_Error )
+  af_autofitter_load_glyph( AF_Module     module,
+                            FT_GlyphSlot  slot,
+                            FT_Size       size,
+                            FT_UInt       glyph_index,
+                            FT_Int32      load_flags )
+  {
+    FT_Error   error  = FT_Err_Ok;
+    FT_Memory  memory = module->root.library->memory;
+
+    AF_GlyphHintsRec  hints[1];
+    AF_LoaderRec      loader[1];
+
+    FT_UNUSED( size );
+
+
+    af_glyph_hints_init( hints, memory );
+    af_loader_init( loader, hints );
+
+    error = af_loader_load_glyph( loader, module, slot->face,
+                                  glyph_index, load_flags );
+
+    af_loader_done( loader );
+    af_glyph_hints_done( hints );
+
+    return error;
+  }
+
+
+  FT_DEFINE_AUTOHINTER_INTERFACE(
+    af_autofitter_interface,
+
+    NULL,                                                    /* reset_face */
+    NULL,                                              /* get_global_hints */
+    NULL,                                             /* done_global_hints */
+    (FT_AutoHinter_GlyphLoadFunc)af_autofitter_load_glyph )  /* load_glyph */
+
+
+  FT_DEFINE_MODULE(
+    autofit_module_class,
+
+    FT_MODULE_HINTER,
+    sizeof ( AF_ModuleRec ),
+
+    "autofitter",
+    0x10000L,   /* version 1.0 of the autofitter  */
+    0x20000L,   /* requires FreeType 2.0 or above */
+
+    (const void*)&af_autofitter_interface,
+
+    (FT_Module_Constructor)af_autofitter_init,  /* module_init   */
+    (FT_Module_Destructor) af_autofitter_done,  /* module_done   */
+    (FT_Module_Requester)  af_get_interface     /* get_interface */
+  )
+
+
+/* END */