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GuiDrawFilePath
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2003-02-14
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//--------------------------------------------------------------------------
//
// Copyright (c) 2002, Colin Granville
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or
// without modification, are permitted provided that the following
// conditions are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// * The name Colin Granville may not be used to endorse or promote
// products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.
//
//--------------------------------------------------------------------------
#include "GuiDrawFilePath.h"
#include <limits.h>
GuiDrawFilePath::GuiDrawFilePath(GuiDrawFile& d)
: drawfile(d)
{
ob.typeId=OBJECT_ID;
}
//***************************************************************
GuiDrawFilePath::~GuiDrawFilePath()
{
}
//***************************************************************
void GuiDrawFilePath::start()
{
ob.bounds(INT_MAX,INT_MAX,INT_MIN,INT_MIN);
ob.size=drawfile.startObject(sizeof(GuiDrawFileGraphicsObject) + sizeof(GuiDrawFilePathState));
}
//***************************************************************
void GuiDrawFilePath::end(const GuiDrawFilePathState& state,bool clip)
{
if (clip)
{
moveTo(); point(ob.bounds.xmin,ob.bounds.ymin);
drawTo(); point(ob.bounds.xmin,ob.bounds.ymax);
drawTo(); point(ob.bounds.xmax,ob.bounds.ymax);
drawTo(); point(ob.bounds.xmax,ob.bounds.ymin);
closeSubPath();
};
drawfile.put(0);
if (state.getOutlineColour()!=GuiDrawFilePathState::OFF)
{
int wid=state.getOutlineWidth();
ob.bounds.xmin-=wid;
ob.bounds.xmax+=wid;
ob.bounds.ymin-=wid;
ob.bounds.ymax+=wid;
}
if (drawfile.hasFailed()) return;
int offset=ob.size;
ob.size=drawfile.getSize()-offset;
*(GuiDrawFileGraphicsObject*)drawfile.getPtr(offset)=ob;
*(GuiDrawFilePathState*)drawfile.getPtr(offset+sizeof(GuiDrawFileGraphicsObject))=state;
drawfile.addBBox(ob.bounds);
drawfile.endObject();
}
//***************************************************************
//***************************************************************
//***************************************************************
void GuiDrawFilePathState::reset()
{
fillColour=OFF;
outlineColour=OFF;
outlineWidth=0;
pathStyle=0;
capWidth=0;
capHeight=0;
}