vsmallpreview.cpp

/* This file is part of the KDE project
   Made by Tomislav Lukman (tomislav.lukman@ck.t-com.hr)
   Copyright (C) 2005, The Karbon Developers
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
/* vsmallpreview.cpp */
#include <tqcolor.h>
#include <tqframe.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqpixmap.h>
 
#include <tdelocale.h>
#include <KoPoint.h>
 
#include "vcolor.h"
#include "vfill.h"
#include "vgradient.h"
#include "vkopainter.h"
#include "vpattern.h"
#include "vstroke.h"
 
#include "vsmallpreview.h"
 
#define FRAMEWIDTH      40
 
VSmallPreview::VSmallPreview( TQWidget* parent, const char* name )
    : TQWidget( parent, name )
{
    /* Create widget layout */
    TQHBoxLayout *layout = new TQHBoxLayout( this, 4 );
    m_strokeLabel = new TQLabel( i18n( "Stroke: None" ), this );
    layout->addWidget( m_strokeLabel );
    m_strokeFrame = new TQFrame( this );
    m_strokeFrame->setFixedWidth ( FRAMEWIDTH );
    m_strokeFrame->setFrameStyle( TQFrame::GroupBoxPanel | TQFrame::Plain );
    layout->addWidget( m_strokeFrame );
    m_fillLabel = new TQLabel( i18n( "Fill: None" ), this );
    layout->addWidget( m_fillLabel );
    m_fillFrame = new TQFrame( this );
    m_fillFrame->setFixedWidth ( FRAMEWIDTH );
    m_fillFrame->setFrameStyle( TQFrame::GroupBoxPanel | TQFrame::Plain );
    layout->addWidget( m_fillFrame );
    layout->activate();
 
    m_fill = VFill();
    m_stroke = VStroke();
}
 
VSmallPreview::~VSmallPreview()
{
}
 
void
VSmallPreview::update( const VStroke &s, const VFill &f )
{
    if( &f )
        m_fill = f;
    else
        m_fill = VFill();
    if( &s )
        m_stroke = s;
    else
        m_stroke = VStroke();
 
    drawStroke( m_stroke );
    drawFill( m_fill );
}
 
void
VSmallPreview::paintEvent( TQPaintEvent* /*event*/ )
{
    drawStroke( m_stroke );
    drawFill( m_fill );
}
 
void
VSmallPreview::drawFill( const VFill &f )
{
    VFill fill;
    VStroke stroke;
    
    TQPixmap m_pixmap;
    m_pixmap.resize( m_fillFrame->width(), m_fillFrame->height() );
    VKoPainter* m_painter = new VKoPainter( &m_pixmap, m_fillFrame->width(), m_fillFrame->height() );
 
    m_painter->begin();
    m_painter->setPen( TQt::NoPen );
    fill.setColor( TQt::white );
    m_painter->setBrush( fill );
    m_painter->drawRect( KoRect( 0, 0, m_fillFrame->width(), m_fillFrame->height() ) );
 
    switch ( f.type() )
    {
        case VFill::solid:
        {
            switch ( f.color().colorSpace() )
            {
                case VColor::rgb:
                    m_fillLabel->setText( i18n( "Fill: RGB") ); break;
                case VColor::cmyk:
                    m_fillLabel->setText( i18n( "Fill: CMYK") ); break;
                case VColor::hsb:
                    m_fillLabel->setText( i18n( "Fill: HSB") ); break;
                case VColor::gray:
                    m_fillLabel->setText( i18n( "Fill: Grayscale") ); break;
                default:
                    m_fillLabel->setText( i18n( "Fill: Color") );
            }
            fill.setColor( f.color() );
            break;
        }
        case VFill::grad:
        {
            fill.gradient() = f.gradient();
            fill.setType( VFill::grad );
            m_fillLabel->setText( i18n( "Fill: Gradient") );
            if( f.gradient().type() == VGradient::linear )
            {
                fill.gradient().setOrigin( KoPoint( m_fillFrame->width() * 0.5, 0 ) );
                fill.gradient().setVector( KoPoint( m_fillFrame->width() * 0.5, m_fillFrame->height() ) );
            }
            else if( f.gradient().type() == VGradient::radial ||
                f.gradient().type() == VGradient::conic )
            {
                fill.gradient().setOrigin( KoPoint( m_fillFrame->width() * 0.5, m_fillFrame->height() * 0.5 ) );
                fill.gradient().setFocalPoint( KoPoint( m_fillFrame->width() * 0.5, m_fillFrame->height() * 0.5 ) );
                fill.gradient().setVector( KoPoint( m_fillFrame->width() * 0.5, m_fillFrame->height() ) );
            }
            break;
 
        }
        case VFill::patt:
        {
            fill.pattern() = f.pattern();
            fill.pattern().setOrigin( KoPoint( 0, 0 ) );
            fill.pattern().setVector( KoPoint( m_fillFrame->width() * 0.5, 0 ) );
            fill.setType( VFill::patt );
            m_fillLabel->setText( i18n( "Fill: Pattern") );
            break;
        }
        default: //None or unknown
        {
            m_fillLabel->setText( i18n( "Fill: None") );
            fill.setColor( TQt::white );
            m_painter->setBrush( fill );
            m_painter->drawRect( KoRect( 0, 0, m_fillFrame->width(), m_fillFrame->height() ) );
            stroke.setColor( TQt::red );
            stroke.setLineWidth( 2.0 );
            m_painter->setPen( stroke );
            m_painter->newPath();
            m_painter->moveTo( KoPoint( 4, m_fillFrame->height() - 4 ) );
            m_painter->lineTo( KoPoint( m_fillFrame->width() - 4, 4 ) );
            m_painter->strokePath();
        }
    }
 
    if( f.type() != VFill::none )
    {
        m_painter->setPen( stroke );
        m_painter->setBrush( fill );
        m_painter->drawRect( KoRect( 0, 0, m_fillFrame->width(), m_fillFrame->height() ) ); 
    }
 
    m_painter->end();
 
    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 );
 
    delete ( m_painter );
}
 
void
VSmallPreview::drawStroke( const VStroke &s )
{
    VFill fill;
    VStroke stroke;
 
    TQPixmap m_pixmap;
    m_pixmap.resize( m_fillFrame->width(), m_fillFrame->height() );
    VKoPainter* m_painter = new VKoPainter( &m_pixmap, m_fillFrame->width(), m_fillFrame->height() );
 
    m_painter->begin();
    m_painter->setPen( TQt::NoPen );
    fill.setColor( TQt::white );
    m_painter->setBrush( fill );
    m_painter->drawRect( KoRect( 0, 0, m_strokeFrame->width(), m_strokeFrame->height() ) );
    
    switch ( s.type() )
    {
        case VStroke::solid:
        {
            switch ( s.color().colorSpace() )
            {
                case VColor::rgb:
                    m_strokeLabel->setText( i18n( "Stroke: RGB") ); break;
                case VColor::cmyk:
                    m_strokeLabel->setText( i18n( "Stroke: CMYK") ); break;
                case VColor::hsb:
                    m_strokeLabel->setText( i18n( "Stroke: HSB") ); break;
                case VColor::gray:
                    m_strokeLabel->setText( i18n( "Stroke: Grayscale") ); break;
                default:
                    m_strokeLabel->setText( i18n( "Stroke: Color") );
            }
            fill.setColor( s.color() );
            break;
        }
        case VStroke::grad:
        {
            fill.gradient() = s.gradient();
            fill.setType( VFill::grad );
            m_strokeLabel->setText( i18n( "Stroke: Gradient") );
            if( s.gradient().type() == VGradient::linear )
            {
                fill.gradient().setOrigin( KoPoint( m_strokeFrame->width() * 0.5, 0 ) );
                fill.gradient().setVector( KoPoint( m_strokeFrame->width() * 0.5, m_strokeFrame->height() ) );
            }
            else if( s.gradient().type() == VGradient::radial ||
                s.gradient().type() == VGradient::conic )
            {
                fill.gradient().setOrigin( KoPoint( m_strokeFrame->width() * 0.5, m_strokeFrame->height() * 0.5 ) );
                fill.gradient().setFocalPoint( KoPoint( m_strokeFrame->width() * 0.5, m_strokeFrame->height() * 0.5 ) );
                fill.gradient().setVector( KoPoint( m_strokeFrame->width() * 0.5, m_strokeFrame->height() ) );
            }
            break;
        }
        case VStroke::patt:
        {
            fill.pattern() = s.pattern();
            fill.pattern().setOrigin( KoPoint( 0, 0 ) );
            fill.pattern().setVector( KoPoint( m_strokeFrame->width() * 0.5, 0 ) );
            fill.setType( VFill::patt );
            m_strokeLabel->setText( i18n( "Stroke: Pattern") );
            break;
        }
        default: //None or unknown
        {
            m_strokeLabel->setText( i18n( "Stroke: None") );
            fill.setColor( TQt::white );
            m_painter->setBrush( fill );
            m_painter->drawRect( KoRect( 0, 0, m_strokeFrame->width(), m_strokeFrame->height() ) );
            stroke.setColor( TQt::red );
            stroke.setLineWidth( 2.0 );
            m_painter->setPen( stroke );
            m_painter->newPath();
            m_painter->moveTo( KoPoint( 4, m_strokeFrame->height() - 4 ) );
            m_painter->lineTo( KoPoint( m_strokeFrame->width() - 4, 4 ) );
            m_painter->strokePath();
        }
    }
 
    if( s.type() != VStroke::none )
    {
        m_painter->setPen( stroke );
        m_painter->setBrush( fill );
        m_painter->drawRect( KoRect( 0, 0, m_strokeFrame->width(), m_strokeFrame->height() ) );
    }
 
    m_painter->end();
 
    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 );
 
    delete ( m_painter );
}
 
#include "vsmallpreview.moc"