misc/libfreetype/src/autofit/afpic.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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/*  afpic.c                                                                */
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/*                                                                         */
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/*    The FreeType position independent code services for autofit module.  */
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/*                                                                         */
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/*  Copyright 2009, 2010, 2011 by                                          */
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/*  Oran Agra and Mickey Gabel.                                            */
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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_FREETYPE_H
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#include FT_INTERNAL_OBJECTS_H
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#include "afpic.h"
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#ifdef FT_CONFIG_OPTION_PIC
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  /* forward declaration of PIC init functions from afmodule.c */
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  void FT_Init_Class_af_autofitter_service( FT_Library,
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                                            FT_AutoHinter_ServiceRec* );
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  /* forward declaration of PIC init functions from script classes */
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#include "aflatin.h"
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#include "aflatin2.h"
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#include "afcjk.h"
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#include "afdummy.h"
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#include "afindic.h"
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  void
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  autofit_module_class_pic_free( FT_Library  library )
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  {
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    FT_PIC_Container*  pic_container = &library->pic_container;
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    FT_Memory          memory        = library->memory;
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    if ( pic_container->autofit )
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    {
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      FT_FREE( pic_container->autofit );
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      pic_container->autofit = NULL;
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    }
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  }
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  FT_Error
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  autofit_module_class_pic_init( FT_Library  library )
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  {
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    FT_PIC_Container*  pic_container = &library->pic_container;
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    FT_UInt            ss;
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    FT_Error           error         = AF_Err_Ok;
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    AFModulePIC*       container;
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    FT_Memory          memory        = library->memory;
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    /* allocate pointer, clear and set global container pointer */
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    if ( FT_ALLOC ( container, sizeof ( *container ) ) )
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      return error;
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    FT_MEM_SET( container, 0, sizeof ( *container ) );
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    pic_container->autofit = container;
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    /* initialize pointer table -                       */
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    /* this is how the module usually expects this data */
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    for ( ss = 0 ; ss < AF_SCRIPT_CLASSES_REC_COUNT ; ss++ )
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    {
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      container->af_script_classes[ss] =
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        &container->af_script_classes_rec[ss];
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    }
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    container->af_script_classes[AF_SCRIPT_CLASSES_COUNT - 1] = NULL;
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    /* add call to initialization function when you add new scripts */
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    ss = 0;
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    FT_Init_Class_af_dummy_script_class(
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      &container->af_script_classes_rec[ss++] );
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#ifdef FT_OPTION_AUTOFIT2
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    FT_Init_Class_af_latin2_script_class(
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      &container->af_script_classes_rec[ss++] );
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#endif
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    FT_Init_Class_af_latin_script_class(
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      &container->af_script_classes_rec[ss++] );
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    FT_Init_Class_af_cjk_script_class(
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      &container->af_script_classes_rec[ss++] );
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    FT_Init_Class_af_indic_script_class(
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      &container->af_script_classes_rec[ss++] );
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    FT_Init_Class_af_autofitter_service(
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      library, &container->af_autofitter_service );
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/* Exit: */
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    if ( error )
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      autofit_module_class_pic_free( library );
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    return error;
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  }
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#endif /* FT_CONFIG_OPTION_PIC */
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/* END */