misc/libfreetype/src/pshinter/pshmod.c
author nemo
Thu, 28 Feb 2013 23:15:33 -0500
changeset 8617 e7bea88096d2
parent 5172 88f2e05288ba
permissions -rw-r--r--
So. A while ago, while trying to prevent hogs blowtorching getting turned around, unc0rr altered the old range of blowtorch from 1/8th of 180° up or down, to a 4° gain in upwards and a -4° loss in downwards. He also made it so that starting tunnels could fail to erase sufficient terrain, trapping hogs. Here are a couple of workarounds to more closely approximate old behaviour (do some initial erasure, adjust min/max angles)
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/***************************************************************************/
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/*                                                                         */
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/*  pshmod.c                                                               */
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/*                                                                         */
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/*    FreeType PostScript hinter module implementation (body).             */
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/*                                                                         */
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/*  Copyright 2001, 2002, 2007 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 "pshrec.h"
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#include "pshalgo.h"
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#include "pshpic.h"
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  /* the Postscript Hinter module structure */
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  typedef struct  PS_Hinter_Module_Rec_
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  {
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    FT_ModuleRec          root;
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    PS_HintsRec           ps_hints;
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    PSH_Globals_FuncsRec  globals_funcs;
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    T1_Hints_FuncsRec     t1_funcs;
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    T2_Hints_FuncsRec     t2_funcs;
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  } PS_Hinter_ModuleRec, *PS_Hinter_Module;
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  /* finalize module */
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  FT_CALLBACK_DEF( void )
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  ps_hinter_done( PS_Hinter_Module  module )
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  {
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    module->t1_funcs.hints = NULL;
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    module->t2_funcs.hints = NULL;
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    ps_hints_done( &module->ps_hints );
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  }
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  /* initialize module, create hints recorder and the interface */
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  FT_CALLBACK_DEF( FT_Error )
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  ps_hinter_init( PS_Hinter_Module  module )
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  {
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    FT_Memory  memory = module->root.memory;
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    void*      ph     = &module->ps_hints;
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    ps_hints_init( &module->ps_hints, memory );
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    psh_globals_funcs_init( &module->globals_funcs );
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    t1_hints_funcs_init( &module->t1_funcs );
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    module->t1_funcs.hints = (T1_Hints)ph;
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    t2_hints_funcs_init( &module->t2_funcs );
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    module->t2_funcs.hints = (T2_Hints)ph;
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    return 0;
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  }
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  /* returns global hints interface */
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  FT_CALLBACK_DEF( PSH_Globals_Funcs )
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  pshinter_get_globals_funcs( FT_Module  module )
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  {
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    return &((PS_Hinter_Module)module)->globals_funcs;
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  }
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  /* return Type 1 hints interface */
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  FT_CALLBACK_DEF( T1_Hints_Funcs )
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  pshinter_get_t1_funcs( FT_Module  module )
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  {
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    return &((PS_Hinter_Module)module)->t1_funcs;
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  }
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  /* return Type 2 hints interface */
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  FT_CALLBACK_DEF( T2_Hints_Funcs )
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  pshinter_get_t2_funcs( FT_Module  module )
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  {
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    return &((PS_Hinter_Module)module)->t2_funcs;
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  }
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  FT_DEFINE_PSHINTER_INTERFACE(pshinter_interface,
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    pshinter_get_globals_funcs,
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    pshinter_get_t1_funcs,
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    pshinter_get_t2_funcs
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  )
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  FT_DEFINE_MODULE(pshinter_module_class,
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    0,
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    sizeof ( PS_Hinter_ModuleRec ),
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    "pshinter",
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    0x10000L,
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    0x20000L,
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    &FTPSHINTER_INTERFACE_GET,            /* module-specific interface */
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    (FT_Module_Constructor)ps_hinter_init,
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    (FT_Module_Destructor) ps_hinter_done,
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    (FT_Module_Requester)  0        /* no additional interface for now */
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  )
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/* END */