WhipExamples/LineWeight.cpp

00001 //
00002 //  Copyright (c) 2006 by Autodesk, Inc.
00003 //
00004 //  By using this code, you are agreeing to the terms and conditions of
00005 //  the License Agreement included in the documentation for this code.
00006 //
00007 //  AUTODESK MAKES NO WARRANTIES, EXPRESS OR IMPLIED,
00008 //  AS TO THE CORRECTNESS OF THIS CODE OR ANY DERIVATIVE
00009 //  WORKS WHICH INCORPORATE IT.
00010 //
00011 //  AUTODESK PROVIDES THE CODE ON AN "AS-IS" BASIS
00012 //  AND EXPLICITLY DISCLAIMS ANY LIABILITY, INCLUDING
00013 //  CONSEQUENTIAL AND INCIDENTAL DAMAGES FOR ERRORS,
00014 //  OMISSIONS, AND OTHER PROBLEMS IN THE CODE.
00015 //
00016 //  Use, duplication, or disclosure by the U.S. Government is subject to
00017 //  restrictions set forth in FAR 52.227-19 (Commercial Computer Software
00018 //  Restricted Rights) and DFAR 252.227-7013(c)(1)(ii) (Rights in Technical
00019 //  Data and Computer Software), as applicable.
00020 //
00021 
00022 #include "whiptk/whip_toolkit.h"
00023 #include "whiptk/w2d_class_factory.h"
00024 
00025 extern WT_File *whip_file; //Assume this has been opened for writing elsewhere.
00026 
00027 WT_Result LineWeight()
00028 {
00029     WT_W2D_Class_Factory cf;
00030     //Store the previous line weight.
00031     WT_Line_Weight *previous_weight = cf.Create_Line_Weight( whip_file->desired_rendition().line_weight() );
00032     if (previous_weight == NULL)
00033         return WT_Result::Out_Of_Memory_Error;
00034     //Set the new line weight.
00035     whip_file->desired_rendition().line_weight().weight_value() = 100;
00036     //Create some geometry.
00037     int x=0,y=0;
00038     WT_Logical_Point vP[2];
00039     vP[0] = WT_Logical_Point(x,y);
00040     vP[1] = WT_Logical_Point(x+100,y);
00041     WT_Polyline *p1 = cf.Create_Polyline(2, vP, WD_True);
00042     if (p1 == NULL)
00043         return WT_Result::Out_Of_Memory_Error;
00044     //Serialize it.
00045     WD_CHECK(p1->serialize (*whip_file));
00046     //Restore the previous weight.
00047     whip_file->desired_rendition().line_weight() = *previous_weight;
00048     cf.Destroy( p1 );
00049     cf.Destroy( previous_weight );
00050     return WT_Result::Success;
00051 }

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