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307 lines
6.7 KiB
307 lines
6.7 KiB
/* This file is part of the KDE project
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Copyright (C) 2005 Thorsten Zachmann <zachmann@kde.org>
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The code is based on work of
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Copyright (C) 2002 Toshitaka Fujioka <fujioka@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "KPrPicturePreview.h"
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#include <tqimage.h>
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#include <tqpainter.h>
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KPrPicturePreview::KPrPicturePreview( TQWidget* parent, const char* name)
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: TQFrame( parent, name )
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, mirrorType( PM_NORMAL )
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, depth( 0 )
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, swapRGB( false )
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, bright( 0 )
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, grayscal( false )
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{
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setFrameStyle( WinPanel | Sunken );
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setMinimumSize( 300, 200 );
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}
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void KPrPicturePreview::drawContents( TQPainter *painter )
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{
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TQSize ext = contentsRect().size();
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TQPixmap _pix = origPixmap;
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TQImage img( _pix.convertToImage().smoothScale( ext.width(),ext.height(), TQImage::ScaleMin ) );
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bool _horizontal = false;
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bool _vertical = false;
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if ( mirrorType == PM_HORIZONTAL )
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_horizontal = true;
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else if ( mirrorType == PM_VERTICAL )
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_vertical = true;
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else if ( mirrorType == PM_HORIZONTALANDVERTICAL ) {
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_horizontal = true;
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_vertical = true;
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}
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img = img.mirror( _horizontal, _vertical );
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if ( depth != 0 ) {
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TQImage tmpImg = img.convertDepth( depth );
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if ( !tmpImg.isNull() )
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img = tmpImg;
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}
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if ( swapRGB )
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img = img.swapRGB();
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if ( grayscal ) {
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if ( depth == 1 || depth == 8 ) {
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for ( int i = 0; i < img.numColors(); ++i ) {
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TQRgb rgb = img.color( i );
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int gray = tqGray( rgb );
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rgb = tqRgb( gray, gray, gray );
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img.setColor( i, rgb );
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}
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}
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else {
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int _width = img.width();
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int _height = img.height();
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int _x = 0;
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int _y = 0;
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for ( _x = 0; _x < _width; ++_x ) {
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for ( _y = 0; _y < _height; ++_y ) {
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if ( img.valid( _x, _y ) ) {
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TQRgb rgb = img.pixel( _x, _y );
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int gray = tqGray( rgb );
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rgb = tqRgb( gray, gray, gray );
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img.setPixel( _x, _y, rgb );
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}
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}
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}
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}
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}
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if ( bright != 0 ) {
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if ( depth == 1 || depth == 8 ) {
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for ( int i = 0; i < img.numColors(); ++i ) {
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TQRgb rgb = img.color( i );
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TQColor c( rgb );
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if ( bright > 0 )
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rgb = c.light( 100 + bright ).rgb();
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else
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rgb = c.dark( 100 + abs( bright ) ).rgb();
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img.setColor( i, rgb );
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}
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}
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else {
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int _width = img.width();
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int _height = img.height();
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int _x = 0;
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int _y = 0;
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for ( _x = 0; _x < _width; ++_x ) {
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for ( _y = 0; _y < _height; ++_y ) {
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if ( img.valid( _x, _y ) ) {
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TQRgb rgb = img.pixel( _x, _y );
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TQColor c( rgb );
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if ( bright > 0 )
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rgb = c.light( 100 + bright ).rgb();
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else
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rgb = c.dark( 100 + abs( bright ) ).rgb();
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img.setPixel( _x, _y, rgb );
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}
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}
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}
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}
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}
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_pix.convertFromImage( img );
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TQPixmap tmpPix( _pix.size() );
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tmpPix.fill( TQt::white );
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TQPainter _p;
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_p.begin( &tmpPix );
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_p.drawPixmap( 0, 0, _pix );
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_p.end();
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TQSize _pixSize = _pix.size();
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int _x = 0, _y = 0;
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int w = _pixSize.width(), h = _pixSize.height();
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_x = ( ext.width() - w ) / 2;
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_y = ( ext.height() - h ) / 2;
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painter->drawPixmap( _x, _y, tmpPix );
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}
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void KPrPicturePreview::slotNormalPicture()
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{
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if ( mirrorType != PM_NORMAL )
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{
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mirrorType = PM_NORMAL;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotHorizontalMirrorPicture()
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{
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if ( mirrorType != PM_HORIZONTAL )
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{
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mirrorType = PM_HORIZONTAL;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotVerticalMirrorPicture()
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{
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if ( mirrorType != PM_VERTICAL )
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{
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mirrorType = PM_VERTICAL;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotHorizontalAndVerticalMirrorPicture()
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{
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if ( mirrorType != PM_HORIZONTALANDVERTICAL )
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{
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mirrorType = PM_HORIZONTALANDVERTICAL;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotPictureDepth0()
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{
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if ( depth !=0 )
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{
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depth = 0;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotPictureDepth1()
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{
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if ( depth != 1 )
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{
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depth = 1;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotPictureDepth8()
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{
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if ( depth != 8)
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{
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depth = 8;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotPictureDepth16()
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{
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if ( depth != 16 )
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{
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depth = 16;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotPictureDepth32()
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{
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if ( depth !=32 )
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{
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depth = 32;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotSwapRGBPicture( bool _on )
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{
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if ( swapRGB != _on )
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{
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swapRGB = _on;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotGrayscalPicture( bool _on )
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{
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if ( grayscal != _on )
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{
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grayscal = _on;
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repaint( false );
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}
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}
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void KPrPicturePreview::slotBrightValue( int _value )
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{
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if ( bright != _value )
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{
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bright = _value;
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repaint( false );
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}
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}
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void KPrPicturePreview::setDepth( int _depth)
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{
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if ( _depth != depth )
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{
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depth = _depth;
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repaint( false );
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}
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}
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void KPrPicturePreview::setMirrorType (PictureMirrorType _t)
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{
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if ( mirrorType != _t )
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{
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mirrorType = _t;
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repaint( false );
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}
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}
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void KPrPicturePreview::setPicturePixmap(const TQPixmap &_pixmap)
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{
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origPixmap = _pixmap;
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repaint( false );
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}
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#include "KPrPicturePreview.moc"
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