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GuiDrawFileText
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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 "GuiDrawFileText.h"
#include "iostream.h"
#include <limits.h>
GuiDrawFileText::GuiDrawFileText(GuiDrawFile& d)
: drawfile(d)
{
ob.typeId=OBJECT_ID;
}
//***************************************************************
GuiDrawFileText::~GuiDrawFileText()
{
}
//***************************************************************
void GuiDrawFileText::start()
{
ob.size=drawfile.startObject(sizeof(GuiDrawFileGraphicsObject) + sizeof(GuiDrawFileTextState));
}
//***************************************************************
void GuiDrawFileText::end(const GuiDrawFileTextState& state, int handle)
{
static struct {int a[5];GuiBBox bounds;} fscb = {0,0, 0,0, -1, {0,0,0,0}};
put('\0');
int i;
for (i=drawfile.getSize();i & 3;i++) put('\0');
if (drawfile.hasFailed()) return;
_swix(Font_ScanString,_INR(0,6), handle,
drawfile.getPtr(ob.size+sizeof(GuiDrawFileGraphicsObject) +
sizeof(GuiDrawFileTextState)),
(1<<5) | (1<<6) | (1<<8) | (1<<18),
INT_MIN,INT_MIN,&fscb,&state.transform);
//should be 16/25 but 21/32 is faster and it needs a bit extra anyway
ob.bounds.xmin=fscb.bounds.xmin*21/32+state.x-4*256;
ob.bounds.xmax=fscb.bounds.xmax*21/32+state.x;
ob.bounds.ymin=fscb.bounds.ymin*21/32+state.y-4*256;
ob.bounds.ymax=fscb.bounds.ymax*21/32+state.y;
int offset=ob.size;
ob.size=i-offset;
*(GuiDrawFileGraphicsObject*)drawfile.getPtr(offset)=ob;
*(GuiDrawFileTextState*)drawfile.getPtr(offset+sizeof(GuiDrawFileGraphicsObject))=state;
drawfile.addBBox(ob.bounds);
drawfile.endObject();
}
//***************************************************************
void GuiDrawFileText::put(const char* s)
{
for (;*s;s++) put(*s);
}