1 files changed, 284 insertions, 0 deletions
diff --git a/karbon/render/vqpainter.cc b/karbon/render/vqpainter.cc
new file mode 100644
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+++ b/karbon/render/vqpainter.cc
@@ -0,0 +1,284 @@
+/* This file is part of the KDE project
+   Copyright (C) 2001, The Karbon Developers
+   Copyright (C) 2002, 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.
+*/
+
+// qpainter wrapper
+
+#include "vqpainter.h"
+#include "vstroke.h"
+#include "vcolor.h"
+#include "vfill.h"
+
+#include <qpainter.h>
+#include <qpaintdevice.h>
+#include <qpen.h>
+
+#include <KoPoint.h>
+#include <kdebug.h>
+
+VQPainter::VQPainter( QPaintDevice *target, unsigned int w, unsigned int h ) : VPainter( target, w, h ), m_painter( 0L ), m_target( target ), m_width( w ), m_height( h )
+{
+	m_zoomFactor = 1;
+	m_index = 0;
+	m_painter = new QPainter( target );
+}
+
+VQPainter::~VQPainter()
+{
+	delete m_painter;
+}
+
+void
+VQPainter::resize( unsigned int w, unsigned int h )
+{
+	m_width = w;
+	m_height = h;
+}
+
+void
+VQPainter::blit( const KoRect & )
+{
+	end();
+}
+
+void
+VQPainter::clear( const QColor &c )
+{
+	m_painter->setBackgroundColor( c );
+	m_painter->eraseRect( 0, 0, m_width, m_height );
+}
+
+void
+VQPainter::begin()
+{
+	if( !m_painter->isActive() )
+	{
+		m_painter->begin( m_target );
+		m_painter->eraseRect( 0, 0, m_width, m_height );
+	}
+}
+
+void
+VQPainter::end()
+{
+	m_painter->end();
+}
+
+const QWMatrix
+VQPainter::worldMatrix()
+{
+	return m_painter->worldMatrix();
+}
+
+void
+VQPainter::setWorldMatrix( const QWMatrix& mat )
+{
+	m_painter->setWorldMatrix( mat );
+}
+
+void
+VQPainter::setZoomFactor( double zoomFactor )
+{
+	m_zoomFactor = zoomFactor;
+	/*QWMatrix mat;
+	mat.scale( zoomFactor, zoomFactor );
+	m_painter->setWorldMatrix( mat );*/
+}
+
+void 
+VQPainter::moveTo( const KoPoint &p )
+{
+	//m_index = 0;
+	if( m_pa.size() <= m_index )
+		m_pa.resize( m_index + 10 );
+
+	m_pa.setPoint( m_index, static_cast<int>(p.x() * m_zoomFactor), static_cast<int>(p.y() * m_zoomFactor) );
+
+	m_index++;
+}
+
+void 
+VQPainter::lineTo( const KoPoint &p )
+{
+	if( m_pa.size() <= m_index )
+		m_pa.resize( m_index + 10 );
+
+	m_pa.setPoint( m_index, static_cast<int>(p.x() * m_zoomFactor), static_cast<int>(p.y() * m_zoomFactor) );
+
+	m_index++;
+}
+
+void
+VQPainter::curveTo( const KoPoint &p1, const KoPoint &p2, const KoPoint &p3 )
+{
+	// calculate cubic bezier using a temp QPointArray
+	QPointArray pa( 4 );
+	pa.setPoint( 0, m_pa.point( m_index - 1 ).x(), m_pa.point( m_index - 1 ).y() );
+	pa.setPoint( 1, static_cast<int>(p1.x() * m_zoomFactor), static_cast<int>(p1.y() * m_zoomFactor) );
+	pa.setPoint( 2, static_cast<int>(p2.x() * m_zoomFactor), static_cast<int>(p2.y() * m_zoomFactor) );
+	pa.setPoint( 3, static_cast<int>(p3.x() * m_zoomFactor), static_cast<int>(p3.y() * m_zoomFactor) );
+
+	QPointArray pa2( pa.cubicBezier() );
+
+	m_pa.resize( m_index + pa2.size() );
+	m_pa.putPoints( m_index, pa2.size(), pa2 );
+
+	m_index += pa2.size();
+}
+
+void
+VQPainter::newPath()
+{
+	m_index = 0;
+}
+
+void
+VQPainter::fillPath()
+{
+	// we probably dont need filling for qpainter
+	//m_index = 0;
+	m_painter->drawPolygon( m_pa, FALSE, 0, m_index );
+}
+
+void
+VQPainter::strokePath()
+{
+	m_painter->drawPolyline( m_pa, 0, m_index );
+	m_index = 0;
+}
+
+void
+VQPainter::setPen( const VStroke &stroke )
+{
+	QPen pen;
+
+	// color + linewidth
+	pen.setColor( stroke.color() );
+	pen.setWidth( static_cast<int>(stroke.lineWidth()) );
+
+	// caps
+	if( stroke.lineCap() == VStroke::capButt )
+		pen.setCapStyle( Qt::FlatCap );
+	else if( stroke.lineCap() == VStroke::capRound )
+		pen.setCapStyle( Qt::RoundCap );
+	else if( stroke.lineCap() == VStroke::capSquare )
+		pen.setCapStyle( Qt::SquareCap );
+
+	m_painter->setPen( pen );
+}
+
+void
+VQPainter::setBrush( const VFill &fill )
+{
+	switch( fill.type() )
+	{
+		case VFill::none:
+			m_painter->setBrush( Qt::NoBrush );
+		break;
+		case VFill::solid:
+			m_painter->setBrush( QBrush( fill.color(), Qt::SolidPattern ) );
+		break;
+		case VFill::grad:
+			// gradients are nor supported by qpainter
+			m_painter->setBrush( Qt::NoBrush );
+		break;
+		case VFill::patt:
+			// pixmap brushes not supported for printing
+			m_painter->setBrush( QBrush( fill.color(), fill.pattern().pixmap() ) );
+		break;
+		default:
+		break;
+	}
+}
+
+void
+VQPainter::setPen( const QColor &c )
+{
+	m_painter->setPen( c );
+}
+
+void
+VQPainter::setPen( Qt::PenStyle style )
+{
+	m_painter->setPen( style );
+}
+
+void
+VQPainter::setBrush( const QColor &c )
+{
+	m_painter->setBrush( c );
+}
+
+void
+VQPainter::setBrush( Qt::BrushStyle style )
+{
+	m_painter->setBrush( style );
+}
+
+void
+VQPainter::save()
+{
+	m_painter->save();
+}
+
+void
+VQPainter::restore()
+{
+	m_painter->restore();
+}
+
+void
+VQPainter::setRasterOp( Qt::RasterOp r )
+{
+	m_painter->setRasterOp( r );
+}
+
+void
+VQPainter::drawNode( const KoPoint &p, int width )
+{
+	m_painter->drawRect( QRect( int( p.x() * m_zoomFactor ) - width, int( p.y() * m_zoomFactor ) - width,
+	                            2 * width + 1,  2 * width + 1 ) );
+}
+
+void
+VQPainter::drawRect( const KoRect &rect )
+{
+	m_painter->drawRect( QRect( int( rect.x() ), int( rect.y() ), int( rect.width() ),  int( rect.height() ) ) );
+}
+
+void
+VQPainter::drawImage( const QImage &image, const QWMatrix &affine )
+{
+	QWMatrix matrix = m_painter->worldMatrix();
+	
+	double m11 = affine.m11() * matrix.m11() * m_zoomFactor + affine.m12() * matrix.m21();
+	double m12 = (affine.m11() * matrix.m12() + affine.m12() * matrix.m22() ) * m_zoomFactor;
+	double m21 = (affine.m21() * matrix.m11() + affine.m22() * matrix.m21() ) * m_zoomFactor;
+	double m22 = affine.m22() * matrix.m22() * m_zoomFactor + affine.m21() * matrix.m12();
+	double dx = matrix.dx() + affine.dx() * m_zoomFactor;
+	double dy = matrix.dy() - affine.dy() * m_zoomFactor;
+	
+	QWMatrix world( m11, m12, m21, m22, dx, dy );
+	
+	m_painter->setWorldMatrix( world );
+	
+	m_painter->drawImage( QPoint( 0, 0 ), image );
+	// restore old world matrix
+	m_painter->setWorldMatrix( matrix );
+}