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139 lines
3.8 KiB
139 lines
3.8 KiB
//=============================================================================
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//
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// File : kvi_imagelib.cpp
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// Creation date : Wed Jul 21 1999 16:41:26 by Szymon Stefanek
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//
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// This file is part of the KVirc irc client distribution
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// Copyright (C) 1999-2000 Szymon Stefanek (pragma at kvirc dot net)
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//
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// This program is FREE software. You can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your opinion) any later version.
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//
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// This program is distributed in the HOPE that it will be USEFUL,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, write to the Free Software Foundation,
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// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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//=============================================================================
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#define __KVILIB__
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#include <tqnamespace.h>
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#include "kvi_imagelib.h"
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#include "kvi_fileutils.h"
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#include "kvi_locale.h"
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#include "kvi_memmove.h"
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#include <tqpixmap.h>
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//KviImageLibrary::KviImageLibrary(const TQPixmap &pixmap,int imageWidth,int imageHeight)
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//{
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// if(pixmap.isNull())m_pLibrary=0;
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// else m_pLibrary=new TQPixmap(pixmap);
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// setImageSize(imageWidth,imageHeight);
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//}
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KviImageLibrary::KviImageLibrary(const TQString &path,int imageWidth,int imageHeight)
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{
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m_pLibrary=0;
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loadLibrary(path);
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setImageSize(imageWidth,imageHeight);
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}
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KviImageLibrary::KviImageLibrary(const TQString &path1,const TQString &path2,int imageWidth,int imageHeight)
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{
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m_pLibrary=0;
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if(KviFileUtils::fileExists(path1))
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{
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loadLibrary(path1);
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if(m_pLibrary==0)loadLibrary(path2);
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} else loadLibrary(path2);
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setImageSize(imageWidth,imageHeight);
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}
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KviImageLibrary::~KviImageLibrary()
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{
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unloadLibrary();
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}
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void KviImageLibrary::unloadLibrary()
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{
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if(m_pLibrary)delete m_pLibrary;
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m_pLibrary=0;
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}
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bool KviImageLibrary::setImageSize(int imageWidth,int imageHeight)
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{
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m_iWidth=((imageWidth>0) ? imageWidth : 16);
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m_iHeight=((imageHeight>0) ? imageHeight : 16);
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return true;
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}
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bool KviImageLibrary::loadLibrary(const TQString &path)
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{
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if(m_pLibrary)delete m_pLibrary;
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m_pLibrary=new TQImage(path);
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if(m_pLibrary->isNull())
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{
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delete m_pLibrary;
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m_pLibrary=0;
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tqDebug("WARNING : Can not load image library %s",KviTQString::toUtf8(path).data());
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}
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return (m_pLibrary != 0);
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}
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int KviImageLibrary::imageCount()
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{
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if(!m_pLibrary)return 0;
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if((m_iWidth<1)||(m_iHeight<1))return 0;
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int nRows=m_pLibrary->width()/m_iWidth;
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return ( nRows * (m_pLibrary->height()/m_iHeight));
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}
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TQPixmap KviImageLibrary::getImage(int zeroBasedIndex)
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{
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if((zeroBasedIndex >= imageCount())||(zeroBasedIndex < 0)||(m_pLibrary->depth() < 8))
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{
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TQPixmap image(32,32);
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image.fill(); //White fill
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return image;
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}
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// Im per row is not zero...because imageCount returned non zero.
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int imPerRow=(m_pLibrary->width() / m_iWidth);
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int xOffset=(zeroBasedIndex % imPerRow) * m_iWidth;
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int yOffset=(zeroBasedIndex / imPerRow) * m_iHeight;
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#ifdef COMPILE_USE_QT4
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TQImage image(m_iWidth,m_iHeight,m_pLibrary->format());
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#else
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TQImage image(m_iWidth,m_iHeight,m_pLibrary->depth());
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#endif
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int d = image.depth() / 8;
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#ifndef COMPILE_USE_QT4
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if(d == 4)image.setAlphaBuffer(true); // TQt 4.x should manage it automagically
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#endif
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//Copy the image data
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//bitBlt(&image,0,0,m_pLibrary,xOffset,yOffset,m_iWidth,m_iHeight,TQt::CopyROP,false);
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for(int i=0;i<m_iHeight;i++)
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kvi_memmove(image.scanLine(i),m_pLibrary->scanLine(i + yOffset) + (xOffset * d),m_iWidth * d);
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#ifdef COMPILE_USE_QT4
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TQPixmap p = TQPixmap::fromImage(image);
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#else
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TQPixmap p(image);
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#endif
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return p;
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}
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