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/***************************************************************************
labelutils.cpp - description
-------------------
begin : Sam Okt 26 2002
copyright : (C) 2002 by Dominik Seichter
email : domseichter@web.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "labelutils.h"
#include "dsrichtext.h"
// TQt includes
#include <tqbitmap.h>
#include <tqimage.h>
#include <tqpaintdevicemetrics.h>
#include <tqpainter.h>
#include <tqsimplerichtext.h>
// KDE includes
#include <kapplication.h>
#include <kglobal.h>
#include <klocale.h>
// own includes
#include "printersettings.h"
#define CONVERSION_FACTOR 25.4000508001016
LabelUtils::LabelUtils()
{
}
LabelUtils::~LabelUtils()
{ }
double LabelUtils::pixelToMm( double pixel, const TQPaintDevice* device, int mode )
{
TQPaintDeviceMetrics pdm( device ? device : TQT_TQPAINTDEVICE(TDEApplication::desktop()) );
if( mode == DpiX )
return (pixel * CONVERSION_FACTOR) / (double)pdm.logicalDpiX();
else
return (pixel * CONVERSION_FACTOR) / (double)pdm.logicalDpiY();
}
double LabelUtils::mmToPixel( double mm, const TQPaintDevice* device, int mode )
{
if( !mm )
return 0;
// We don't get valid metrics from the printer - and we want a better resolution
// anyway (it's the PS driver that takes care of the printer resolution).
TQPaintDeviceMetrics pdm( device ? device : TQT_TQPAINTDEVICE(TDEApplication::desktop()) );
// tqDebug("DpiX=%i", pdm.logicalDpiX());
// tqDebug("DpiY=%i", pdm.logicalDpiY());
if( mode == DpiX )
return (mm / CONVERSION_FACTOR) * (double)pdm.logicalDpiX();
else
return (mm / CONVERSION_FACTOR) * (double)pdm.logicalDpiY();
}
double LabelUtils::pixelToPixelX( double unit, const TQPaintDevice* src, const TQPaintDevice* dest )
{
TQPaintDeviceMetrics p1( src );
TQPaintDeviceMetrics p2( dest );
return ( unit * (double)p2.logicalDpiX() ) / (double)p1.logicalDpiX();
}
double LabelUtils::pixelToPixelY( double unit, const TQPaintDevice* src, const TQPaintDevice* dest )
{
TQPaintDeviceMetrics p1( src );
TQPaintDeviceMetrics p2( dest );
//return pixelToPixelX( unit, src, dest );
return ( unit * (double)p2.logicalDpiY() ) / (double)p1.logicalDpiY();
}
const TQString LabelUtils::getTypeFromCaption( const TQString & cap )
{
// TODO: remove this function
TQString search = cap.right( cap.length() - cap.find(":") - 1 ).lower().stripWhiteSpace();
return search;
}
const TQString LabelUtils::getModeFromCaption( const TQString & cap )
{
return cap.left( cap.find(":") ).lower().stripWhiteSpace();
}
TQSize LabelUtils::stringSize( const TQString & t )
{
TQSimpleRichText srt( t, TDEApplication::font() );
TQSize s;
s.setWidth( srt.widthUsed() );
s.setHeight( srt.height() );
return s;
}
void LabelUtils::renderString( TQPainter* painter, const TQString & t, const TQRect & rect, double scalex, double scaley )
{
// DSRichText cannot calculate the width on its own
TQSimpleRichText srt( t, TDEApplication::font() );
int width = (rect.width() > 0) ? rect.width() : srt.widthUsed();
int height = (rect.height() > 0) ? rect.height() : srt.height();
DSRichText r( t );
r.setX( rect.x() );
r.setY( rect.y() );
r.setWidth( width );
r.setHeight( height );
r.setScale( scalex, scaley );
r.draw( painter );
}
TQPixmap* LabelUtils::drawString( const TQString & t, int w, int h, double rot )
{
TQSimpleRichText srt( t, TDEApplication::font() );
int width = (w > 0) ? w : srt.widthUsed();
int height = (h > 0) ? h : srt.height();
srt.setWidth( width );
TQPixmap* pix;
TQPainter painter;
if( rot == 0.0 ) {
TQBitmap bm( width, height );
bm.fill( TQt::color0 ); //transparent
painter.begin( &bm );
painter.save();
painter.setPen( TQt::color1 );
TQColorGroup cg;
cg.setColor( TQColorGroup::Foreground, TQt::color1 );
cg.setColor( TQColorGroup::Text, TQt::color1 );
cg.setColor( TQColorGroup::Base, TQt::color0 );
srt.draw( &painter, 0, 0, bm.rect(), cg );
painter.restore();
painter.end();
pix = new TQPixmap( width, height );
pix->fill( TQt::white );
pix->setMask( bm );
if( !pix->isNull() ) {
painter.begin( pix );
painter.setPen( TQt::black );
TQColorGroup cg;
srt.draw( &painter, 0, 0, pix->rect(), cg );
painter.end();
}
} else {
int w2 = (w > 0) ? w : srt.widthUsed();
int h2 = (h > 0) ? h : srt.height();
TQWMatrix wm;
wm.rotate( rot );
TQSize s = LabelUtils::stringSize( t );
TQPixmap* tmp = LabelUtils::drawString( t, s.width(), s.height() );
TQPixmap* p = new TQPixmap( w2, h2 );
p->fill( TQt::white );
painter.begin( p );
painter.drawPixmap( 0, 0, tmp->xForm( wm ) );
painter.end();
p->setMask( p->createHeuristicMask() );
pix = p;
delete tmp;
}
return pix;
}
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