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411 lines
12 KiB
411 lines
12 KiB
/***************************************************************************
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kookaprint.cpp - Printing from the gallery
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-------------------
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begin : Tue May 13 2003
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copyright : (C) 1999 by Klaas Freitag
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email : freitag@suse.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This file may be distributed and/or modified under the terms of the *
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* GNU General Public License version 2 as published by the Free Software *
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* Foundation and appearing in the file COPYING included in the *
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* packaging of this file. *
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*
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* As a special exception, permission is given to link this program *
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* with any version of the KADMOS ocr/icr engine of reRecognition GmbH, *
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* Kreuzlingen and distribute the resulting executable without *
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* including the source code for KADMOS in the source distribution. *
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*
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* As a special exception, permission is given to link this program *
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* with any edition of Qt, and distribute the resulting executable, *
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* without including the source code for Qt in the source distribution. *
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* *
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***************************************************************************/
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#include "kookaprint.h"
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#include "kookaimage.h"
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#include <kprinter.h>
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#include <tqpainter.h>
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#include <tqpaintdevicemetrics.h>
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#include <tqfontmetrics.h>
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#include "imgprintdialog.h"
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#include <kdebug.h>
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#include <klocale.h>
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KookaPrint::KookaPrint( KPrinter *printer )
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:TQObject(),
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m_printer(printer),
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m_extraMarginPercent(10)
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{
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}
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bool KookaPrint::printImage( KookaImage *img )
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{
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bool result = true;
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if( ! m_printer || !img) return false;
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TQString psMode = m_printer->option( OPT_PSGEN_DRAFT );
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kdDebug(28000) << "User setting for quality: " << psMode << endl;
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#if 0
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if( psMode == "1" )
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m_printer->setResolution( 75 );
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else
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m_printer->setResolution( 600 );
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#endif
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/* Create painter _after_ setting Resolution */
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TQPainter painter(m_printer);
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m_painter = &painter;
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KookaImage tmpImg;
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TQPoint pt(0, 0); // the top-left corner (image will be centered)
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// We use a TQPaintDeviceMetrics to know the actual page size in pixel,
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// this gives the real painting area
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TQPaintDeviceMetrics printermetrics( m_painter->device() );
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int screenRes = m_printer->option( OPT_SCREEN_RES ).toInt();
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// int printerRes = printermetrics.logicalDpiX();
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int printerRes = m_printer->resolution();
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TQString scale = m_printer->option( OPT_SCALING );
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int reso = screenRes;
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if( scale == "scan" )
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{
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/* Scale to original size */
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reso = m_printer->option( OPT_SCAN_RES ).toInt();
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}
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else if( scale == "custom" )
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{
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// kdDebug(28000) << "Not yet implemented: Custom scale" << endl;
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double userWidthInch = (m_printer->option( OPT_WIDTH ).toDouble() / 25.4 );
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reso = int( double(img->width()) / userWidthInch );
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kdDebug(28000) << "Custom resolution: " << reso << endl;
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}
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else if( scale == "fitpage" )
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{
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kdDebug(28000) << "Printing using maximum space on page" << endl;
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printFittingToPage( img );
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reso = 0; // to skip the printing on this page.
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}
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/* Scale the image for printing */
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kdDebug(28000) << "Printer-Resolution: " << printerRes << " and scale-Reso: " << reso << endl;
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TQSize margins = m_printer->margins();
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kdDebug(28000) << "Printer-Margins left: " << margins.width() << " and top " << margins.height()
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<< endl;
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if( reso > 0)
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{
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double sizeInch = double(img->width()) / double(reso);
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int newWidth = int(sizeInch * printerRes);
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printerRes = printermetrics.logicalDpiY();
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sizeInch = double(img->height()) / double(reso);
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int newHeight = int(sizeInch * printerRes );
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kdDebug(28000) << "Scaling to printer size " << newWidth << " x " << newHeight << endl;
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tmpImg = img->smoothScale(newWidth, newHeight, TQImage::ScaleFree);
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TQSize sz = tmpImg.size(); // the current image size
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TQSize maxOnPage = maxPageSize(); // the maximum space on one side
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int maxRows, maxCols;
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int subpagesCnt = tmpImg.cutToTiles( maxOnPage, maxRows, maxCols );
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kdDebug(28000) << "Subpages count: " << subpagesCnt <<
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" Columns:" << maxCols << " Rows:" << maxRows << endl;
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int cnt = 0;
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for( int row = 0; row < maxRows; row++ )
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{
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for( int col = 0; col < maxCols; col++ )
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{
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const TQRect part = tmpImg.getTileRect( row, col );
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const TQSize imgSize = part.size();
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kdDebug(28000) << "Printing part from " << part.x() << "/" << part.y()
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<< " width:"<< part.width() << " and height " << part.height() << endl;
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TQImage tileImg = tmpImg.copy( part );
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m_painter->drawImage( printPosTopLeft(imgSize), tileImg );
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drawCornerMarker( imgSize, row, col, maxRows, maxCols );
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cnt++;
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if( cnt < subpagesCnt )
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m_printer->newPage();
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}
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}
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}
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m_painter = 0; // no, this is not a memory leak.
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return result;
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}
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void KookaPrint::printFittingToPage(KookaImage *img)
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{
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if( ! img || ! m_painter ) return;
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KookaImage tmpImg;
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TQString psMode = m_printer->option( OPT_RATIO );
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bool maintainAspect = (psMode == "1");
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TQSize s = maxPageSize();
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double wAspect = double(s.width()) / double(img->width());
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double hAspect = double(s.height()) / double(img->height());
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// take the smaller one.
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double aspect = wAspect;
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if( hAspect < wAspect ) aspect = hAspect;
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// default: maintain aspect ratio.
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int newWidth = int( double( img->width() ) * aspect );
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int newHeight = int( double( img->height()) * aspect );
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if( ! maintainAspect )
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{
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newWidth = int( double( img->width() ) * wAspect );
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newHeight = int( double( img->height() ) * hAspect );
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}
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tmpImg = img->smoothScale(newWidth, newHeight, TQImage::ScaleFree);
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m_painter->drawImage( 0,0, tmpImg );
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}
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void KookaPrint::drawMarkerAroundPoint( const TQPoint& p )
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{
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if( ! m_painter ) return;
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const int len = 10;
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m_painter->drawLine( p-TQPoint(len,0), p+TQPoint(len,0));
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m_painter->drawLine( p-TQPoint(0,len), p+TQPoint(0,len));
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}
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void KookaPrint::drawCutSign( const TQPoint& p, int num, MarkerDirection dir )
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{
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TQBrush saveB = m_painter->brush();
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int start = 0;
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const int radius=20;
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TQColor brushColor( Qt::red );
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int toffX=0;
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int toffY=0;
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TQString numStr = TQString::number(num);
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TQFontMetrics fm = m_painter->fontMetrics();
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int textWidth = fm.width( numStr )/2;
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int textHeight = fm.width( numStr )/2;
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int textYOff = 0;
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int textXOff = 0;
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switch( dir )
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{
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case SW:
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start = -90;
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brushColor = Qt::green;
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toffX =-1;
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toffY = 1;
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textXOff = -1*textWidth;
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textYOff = textHeight;
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break;
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case NW:
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start = -180;
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brushColor = Qt::blue;
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toffX =-1;
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toffY =-1;
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textXOff = -1*textWidth;
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textYOff = textHeight;
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break;
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case NO:
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start = -270;
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brushColor = Qt::yellow;
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toffX = 1;
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toffY = -1;
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textXOff = -1*textWidth;
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textYOff = textHeight;
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break;
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case SO:
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start = 0;
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brushColor = Qt::magenta;
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toffX = 1;
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toffY = 1;
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textXOff = -1*textWidth;
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textYOff = textHeight;
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break;
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default:
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start = 0;
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}
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/* to draw around the point p, subtraction of the half radius is needed */
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int x = p.x()-radius/2;
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int y = p.y()-radius/2;
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// m_painter->drawRect( x, y, radius, radius ); /* debug !!! */
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const int tAway = radius*3/4;
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TQRect bRect = fm.boundingRect( TQString::number(num));
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int textX = p.x()+ tAway * toffX + textXOff;
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int textY = p.y()+ tAway * toffY + textYOff;
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// m_painter->drawRect( textX, textY, bRect.width(), bRect.height() );
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kdDebug(28000) << "Drawing to position " << textX << "/" << textY << endl;
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m_painter->drawText( textX,
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textY,
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TQString::number(num));
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TQBrush b( brushColor, NoBrush /* remove this to get debug color*/ );
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m_painter->setBrush( b );
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m_painter->drawPie( x, y, radius, radius, 16*start, -16*90 );
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m_painter->setBrush( saveB );
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}
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/*
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* draws the circle and the numbers that indicate the pages to glue to the side
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*/
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void KookaPrint::drawCornerMarker( const TQSize& imgSize, int row, int col, int maxRows, int maxCols )
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{
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TQPoint p;
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kdDebug(28000) << "Marker: Row: " << row << " and col " << col <<" from max "
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<< maxRows << "x" << maxCols << endl;
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// Top left.
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p = printPosTopLeft( imgSize );
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drawMarkerAroundPoint( p );
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int indx = maxCols*row+col+1;
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if( maxRows > 1 || maxCols > 1 )
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{
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if( col > 0 )
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drawCutSign( p, indx-1, SW );
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if( row > 0 )
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drawCutSign( p, indx-maxCols, NO );
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if( row > 0 && col > 0 )
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drawCutSign( p, indx-maxCols-1, NW );
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}
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// Top Right
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p = printPosTopRight( imgSize );
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drawMarkerAroundPoint( p );
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if( maxRows > 1 || maxCols > 1 )
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{
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if( col < maxCols-1 )
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drawCutSign( p, indx+1, SO );
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if( row > 0 )
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drawCutSign( p, indx-maxCols, NW );
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if( row > 0 && col < maxCols-1 )
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drawCutSign( p, indx-maxCols+1, NO );
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}
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// Bottom Right
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p = printPosBottomRight( imgSize );
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if( maxRows > 1 || maxCols > 1 )
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{
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if( col < maxCols-1 )
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drawCutSign( p, indx+1, NO );
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if( row < maxRows-1 )
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drawCutSign( p, indx+maxCols, SW );
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if( row < maxRows -1 && col < maxCols-1 )
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drawCutSign( p, indx+maxCols, SO );
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}
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// p += TQPoint( 1, 1 );
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drawMarkerAroundPoint( p ); /* at bottom right */
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/* Bottom left */
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p = printPosBottomLeft( imgSize );
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// p += TQPoint( -1, 1 );
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if( maxRows > 1 || maxCols > 1 )
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{
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if( col > 0 )
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drawCutSign( p, indx-1, NW );
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if( row < maxRows-1 )
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drawCutSign( p, indx+maxCols, SO );
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if( row < maxRows -1 && col > 0 )
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drawCutSign( p, indx+maxCols-1, SW );
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}
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drawMarkerAroundPoint( p ); /* at bottom left */
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}
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TQSize KookaPrint::maxPageSize( int extraShrinkPercent ) const
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{
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if( ! m_painter ) return TQSize();
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TQPaintDeviceMetrics printermetrics( m_painter->device() );
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double extraShrink = double(100-extraShrinkPercent)/100.0;
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TQSize retSize( printermetrics.width(), printermetrics.height() );
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if( extraShrinkPercent > 0 )
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retSize = TQSize( int(double(printermetrics.width())* extraShrink) ,
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int(double(printermetrics.height())* extraShrink ));
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return retSize;
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}
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int KookaPrint::extraMarginPix() const
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{
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TQSize max = maxPageSize();
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/* take the half extra margin */
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return int(double(max.width())*double(m_extraMarginPercent) / 100.0 / 2.0);
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}
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TQPoint KookaPrint::printPosTopLeft( const TQSize& imgSize ) const
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{
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TQSize max = maxPageSize();
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/* take the half extra margin */
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int eMargin = extraMarginPix();
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return TQPoint( eMargin + (max.width() - imgSize.width())/2,
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eMargin + (max.height() - imgSize.height())/2 );
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}
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TQPoint KookaPrint::printPosTopRight(const TQSize& imgSize) const
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{
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TQSize max = maxPageSize();
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/* take the half extra margin */
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int eMargin = extraMarginPix();
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return TQPoint( eMargin + (max.width() - imgSize.width())/2+imgSize.width(),
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eMargin + (max.height() - imgSize.height())/2 );
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}
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TQPoint KookaPrint::printPosBottomLeft(const TQSize& imgSize) const
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{
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TQSize max = maxPageSize();
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int eMargin = extraMarginPix();
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/* take the half extra margin */
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return TQPoint( eMargin+(max.width() - imgSize.width())/2,
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eMargin+(max.height() - imgSize.height())/2 + imgSize.height() );
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}
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TQPoint KookaPrint::printPosBottomRight(const TQSize& imgSize) const
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{
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TQSize max = maxPageSize();
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/* take the half extra margin */
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int eMargin = extraMarginPix();
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return TQPoint( eMargin+(max.width() - imgSize.width())/2 + imgSize.width(),
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eMargin+(max.height() - imgSize.height())/2 + imgSize.height() );
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}
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#include "kookaprint.moc"
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