karbon

vsmallpreview.cc

00001 /* This file is part of the KDE project
00002    Made by Tomislav Lukman (tomislav.lukman@ck.t-com.hr)
00003    Copyright (C) 2005, The Karbon Developers
00004 
00005    This library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Library General Public
00007    License as published by the Free Software Foundation; either
00008    version 2 of the License, or (at your option) any later version.
00009 
00010    This library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Library General Public License for more details.
00014 
00015    You should have received a copy of the GNU Library General Public License
00016    along with this library; see the file COPYING.LIB.  If not, write to
00017    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  * Boston, MA 02110-1301, USA.
00019 */
00020 
00021 /* vsmallpreview.cc */
00022 #include <qcolor.h>
00023 #include <qframe.h>
00024 #include <qlabel.h>
00025 #include <qlayout.h>
00026 #include <qpixmap.h>
00027 
00028 #include <klocale.h>
00029 #include <KoPoint.h>
00030 
00031 #include "vcolor.h"
00032 #include "vfill.h"
00033 #include "vgradient.h"
00034 #include "vkopainter.h"
00035 #include "vpattern.h"
00036 #include "vstroke.h"
00037 
00038 #include "vsmallpreview.h"
00039 
00040 #define FRAMEWIDTH      40
00041 
00042 VSmallPreview::VSmallPreview( QWidget* parent, const char* name )
00043     : QWidget( parent, name )
00044 {
00045     /* Create widget layout */
00046     QHBoxLayout *layout = new QHBoxLayout( this, 4 );
00047     m_strokeLabel = new QLabel( i18n( "Stroke: None" ), this );
00048     layout->addWidget( m_strokeLabel );
00049     m_strokeFrame = new QFrame( this );
00050     m_strokeFrame->setFixedWidth ( FRAMEWIDTH );
00051     m_strokeFrame->setFrameStyle( QFrame::GroupBoxPanel | QFrame::Plain );
00052     layout->addWidget( m_strokeFrame );
00053     m_fillLabel = new QLabel( i18n( "Fill: None" ), this );
00054     layout->addWidget( m_fillLabel );
00055     m_fillFrame = new QFrame( this );
00056     m_fillFrame->setFixedWidth ( FRAMEWIDTH );
00057     m_fillFrame->setFrameStyle( QFrame::GroupBoxPanel | QFrame::Plain );
00058     layout->addWidget( m_fillFrame );
00059     layout->activate();
00060 
00061     m_fill = VFill();
00062     m_stroke = VStroke();
00063 }
00064 
00065 VSmallPreview::~VSmallPreview()
00066 {
00067 }
00068 
00069 void
00070 VSmallPreview::update( const VStroke &s, const VFill &f )
00071 {
00072     m_fill = f;
00073     m_stroke = s;
00074 
00075     drawStroke( s );
00076     drawFill( f );
00077 }
00078 
00079 void
00080 VSmallPreview::paintEvent( QPaintEvent* /*event*/ )
00081 {
00082     drawStroke( m_stroke );
00083     drawFill( m_fill );
00084 }
00085 
00086 void
00087 VSmallPreview::drawFill( const VFill &f )
00088 {
00089     VFill fill;
00090     VStroke stroke;
00091     
00092     QPixmap m_pixmap;
00093     m_pixmap.resize( m_fillFrame->width(), m_fillFrame->height() );
00094     VKoPainter* m_painter = new VKoPainter( &m_pixmap, m_fillFrame->width(), m_fillFrame->height() );
00095 
00096     m_painter->begin();
00097     m_painter->setPen( Qt::NoPen );
00098     fill.setColor( Qt::white );
00099     m_painter->setBrush( fill );
00100     m_painter->drawRect( KoRect( 0, 0, m_fillFrame->width(), m_fillFrame->height() ) );
00101     
00102     switch ( f.type() )
00103     {
00104         case VFill::solid:
00105         {
00106             switch ( f.color().colorSpace() )
00107             {
00108                 case VColor::rgb:
00109                     m_fillLabel->setText( i18n( "Fill: RGB") ); break;
00110                 case VColor::cmyk:
00111                     m_fillLabel->setText( i18n( "Fill: CMYK") ); break;
00112                 case VColor::hsb:
00113                     m_fillLabel->setText( i18n( "Fill: HSB") ); break;
00114                 case VColor::gray:
00115                     m_fillLabel->setText( i18n( "Fill: Grayscale") ); break;
00116                 default:
00117                     m_fillLabel->setText( i18n( "Fill: Color") );
00118             }
00119             fill.setColor( f.color() );
00120             break;
00121         }
00122         case VFill::grad:
00123         {
00124             fill.gradient() = f.gradient();
00125             fill.setType( VFill::grad );
00126             m_fillLabel->setText( i18n( "Fill: Gradient") );
00127             if( f.gradient().type() == VGradient::linear )
00128             {
00129                 fill.gradient().setOrigin( KoPoint( m_fillFrame->width() * 0.5, 0 ) );
00130                 fill.gradient().setVector( KoPoint( m_fillFrame->width() * 0.5, m_fillFrame->height() ) );
00131             }
00132             else if( f.gradient().type() == VGradient::radial ||
00133                 f.gradient().type() == VGradient::conic )
00134             {
00135                 fill.gradient().setOrigin( KoPoint( m_fillFrame->width() * 0.5, m_fillFrame->height() * 0.5 ) );
00136                 fill.gradient().setFocalPoint( KoPoint( m_fillFrame->width() * 0.5, m_fillFrame->height() * 0.5 ) );
00137                 fill.gradient().setVector( KoPoint( m_fillFrame->width() * 0.5, m_fillFrame->height() ) );
00138             }
00139             break;
00140 
00141         }
00142         case VFill::patt:
00143         {
00144             fill.pattern() = f.pattern();
00145             fill.pattern().setOrigin( KoPoint( 0, 0 ) );
00146             fill.pattern().setVector( KoPoint( m_fillFrame->width() * 0.5, 0 ) );
00147             fill.setType( VFill::patt );
00148             m_fillLabel->setText( i18n( "Fill: Pattern") );
00149             break;
00150         }
00151         default: //None or unknown
00152         {
00153             m_fillLabel->setText( i18n( "Fill: None") );
00154             fill.setColor( Qt::white );
00155             m_painter->setBrush( fill );
00156             m_painter->drawRect( KoRect( 0, 0, m_fillFrame->width(), m_fillFrame->height() ) );
00157             stroke.setColor( Qt::red );
00158             stroke.setLineWidth( 2.0 );
00159             m_painter->setPen( stroke );
00160             m_painter->newPath();
00161             m_painter->moveTo( KoPoint( 4, m_fillFrame->height() - 4 ) );
00162             m_painter->lineTo( KoPoint( m_fillFrame->width() - 4, 4 ) );
00163             m_painter->strokePath();
00164         }
00165     }
00166 
00167     if( f.type() != VFill::none )
00168     {
00169         m_painter->setPen( stroke );
00170         m_painter->setBrush( fill );
00171         m_painter->drawRect( KoRect( 0, 0, m_fillFrame->width(), m_fillFrame->height() ) ); 
00172     }
00173 
00174     m_painter->end();
00175 
00176     bitBlt( m_fillFrame, m_fillFrame->frameWidth(), m_fillFrame->frameWidth(), &m_pixmap, m_fillFrame->frameWidth(), m_fillFrame->frameWidth(), m_fillFrame->width() - m_fillFrame->frameWidth(), m_fillFrame->height() - m_fillFrame->frameWidth(), CopyROP );
00177 
00178     delete ( m_painter );
00179 }
00180 
00181 void
00182 VSmallPreview::drawStroke( const VStroke &s )
00183 {
00184     VFill fill;
00185     VStroke stroke;
00186 
00187     QPixmap m_pixmap;
00188     m_pixmap.resize( m_fillFrame->width(), m_fillFrame->height() );
00189     VKoPainter* m_painter = new VKoPainter( &m_pixmap, m_fillFrame->width(), m_fillFrame->height() );
00190 
00191     m_painter->begin();
00192     m_painter->setPen( Qt::NoPen );
00193     fill.setColor( Qt::white );
00194     m_painter->setBrush( fill );
00195     m_painter->drawRect( KoRect( 0, 0, m_strokeFrame->width(), m_strokeFrame->height() ) );
00196     
00197     
00198     switch ( s.type() )
00199     {
00200         case VStroke::solid:
00201         {
00202             switch ( s.color().colorSpace() )
00203             {
00204                 case VColor::rgb:
00205                     m_strokeLabel->setText( i18n( "Stroke: RGB") ); break;
00206                 case VColor::cmyk:
00207                     m_strokeLabel->setText( i18n( "Stroke: CMYK") ); break;
00208                 case VColor::hsb:
00209                     m_strokeLabel->setText( i18n( "Stroke: HSB") ); break;
00210                 case VColor::gray:
00211                     m_strokeLabel->setText( i18n( "Stroke: Grayscale") ); break;
00212                 default:
00213                     m_strokeLabel->setText( i18n( "Stroke: Color") );
00214             }
00215             fill.setColor( s.color() );
00216             break;
00217         }
00218         case VStroke::grad:
00219         {
00220             fill.gradient() = s.gradient();
00221             fill.setType( VFill::grad );
00222             m_strokeLabel->setText( i18n( "Stroke: Gradient") );
00223             if( s.gradient().type() == VGradient::linear )
00224             {
00225                 fill.gradient().setOrigin( KoPoint( m_strokeFrame->width() * 0.5, 0 ) );
00226                 fill.gradient().setVector( KoPoint( m_strokeFrame->width() * 0.5, m_strokeFrame->height() ) );
00227             }
00228             else if( s.gradient().type() == VGradient::radial ||
00229                 s.gradient().type() == VGradient::conic )
00230             {
00231                 fill.gradient().setOrigin( KoPoint( m_strokeFrame->width() * 0.5, m_strokeFrame->height() * 0.5 ) );
00232                 fill.gradient().setFocalPoint( KoPoint( m_strokeFrame->width() * 0.5, m_strokeFrame->height() * 0.5 ) );
00233                 fill.gradient().setVector( KoPoint( m_strokeFrame->width() * 0.5, m_strokeFrame->height() ) );
00234             }
00235             break;
00236         }
00237         case VStroke::patt:
00238         {
00239             fill.pattern() = s.pattern();
00240             fill.pattern().setOrigin( KoPoint( 0, 0 ) );
00241             fill.pattern().setVector( KoPoint( m_strokeFrame->width() * 0.5, 0 ) );
00242             fill.setType( VFill::patt );
00243             m_strokeLabel->setText( i18n( "Stroke: Pattern") );
00244             break;
00245         }
00246         default: //None or unknown
00247         {
00248             m_strokeLabel->setText( i18n( "Stroke: None") );
00249             fill.setColor( Qt::white );
00250             m_painter->setBrush( fill );
00251             m_painter->drawRect( KoRect( 0, 0, m_strokeFrame->width(), m_strokeFrame->height() ) );
00252             stroke.setColor( Qt::red );
00253             stroke.setLineWidth( 2.0 );
00254             m_painter->setPen( stroke );
00255             m_painter->newPath();
00256             m_painter->moveTo( KoPoint( 4, m_strokeFrame->height() - 4 ) );
00257             m_painter->lineTo( KoPoint( m_strokeFrame->width() - 4, 4 ) );
00258             m_painter->strokePath();
00259         }
00260     }
00261 
00262     if( s.type() != VStroke::none )
00263     {
00264         m_painter->setPen( stroke );
00265         m_painter->setBrush( fill );
00266         m_painter->drawRect( KoRect( 0, 0, m_strokeFrame->width(), m_strokeFrame->height() ) );
00267     }
00268 
00269     m_painter->end();
00270 
00271     bitBlt( m_strokeFrame, m_strokeFrame->frameWidth(), m_strokeFrame->frameWidth(), &m_pixmap, m_strokeFrame->frameWidth(), m_strokeFrame->frameWidth(), m_strokeFrame->width() - m_strokeFrame->frameWidth(), m_strokeFrame->height() - m_strokeFrame->frameWidth(), CopyROP );
00272 
00273     delete ( m_painter );
00274 }
00275 
00276 #include "vsmallpreview.moc"
00277 
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