WhipExamples/LinePattern.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 LinePattern()
00028 {
00029     WT_W2D_Class_Factory cf;
00030 
00031     //Store the current line pattern.
00032     WT_Line_Pattern *previous_pattern = cf.Create_Line_Pattern( whip_file->desired_rendition().line_pattern() );
00033     if (previous_pattern == NULL)
00034         return WT_Result::Out_Of_Memory_Error;
00035     //Set the line pattern.
00036     whip_file->desired_rendition().line_pattern().set(WT_Line_Pattern::ISO_Dash_Triple_Dot);
00037     //Create a filled drawable (e.g. a polygon).
00038     int x=0,y=0;
00039     WT_Logical_Point vP[2];
00040     vP[0] = WT_Logical_Point(x, y);
00041     vP[1] = WT_Logical_Point(x+100, y);
00042     WT_Polyline *p = cf.Create_Polyline(2, vP, WD_True);
00043     if (p == NULL)
00044         return WT_Result::Out_Of_Memory_Error;
00045     //Serialize it.
00046     WD_CHECK(p->serialize (*whip_file));
00047     //Restore the previous pattern.
00048     whip_file->desired_rendition().line_pattern() = *previous_pattern;
00049     cf.Destroy(p);
00050     cf.Destroy(previous_pattern);
00051     
00052     return WT_Result::Success;
00053 }

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