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authorMichele Calgaro <[email protected]>2021-05-23 20:48:35 +0900
committerMichele Calgaro <[email protected]>2021-05-29 15:16:28 +0900
commit8b78a8791bc539bcffe7159f9d9714d577cb3d7d (patch)
tree1328291f966f19a22d7b13657d3f01a588eb1083 /karbon/widgets/vgradientwidget.cpp
parent95834e2bdc5e01ae1bd21ac0dfa4fa1d2417fae9 (diff)
downloadkoffice-8b78a8791bc539bcffe7159f9d9714d577cb3d7d.tar.gz
koffice-8b78a8791bc539bcffe7159f9d9714d577cb3d7d.zip
Renaming of files in preparation for code style tools.
Signed-off-by: Michele Calgaro <[email protected]>
Diffstat (limited to 'karbon/widgets/vgradientwidget.cpp')
-rw-r--r--karbon/widgets/vgradientwidget.cpp309
1 files changed, 309 insertions, 0 deletions
diff --git a/karbon/widgets/vgradientwidget.cpp b/karbon/widgets/vgradientwidget.cpp
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+/* 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.
+*/
+
+#include <tqlabel.h>
+#include <tqframe.h>
+#include <tqbitmap.h>
+
+#include <kcolorbutton.h>
+#include <kcombobox.h>
+#include <tdelocale.h>
+#include <tqpainter.h>
+#include <kiconloader.h>
+
+#include "vgradientwidget.h"
+#include "vcolordlg.h"
+#include "vfill.h"
+#include "vkopainter.h"
+#include "vcursor.h"
+
+#define midPoint_width 7
+#define midPoint_height 10
+static unsigned char midPoint_bits[] = {
+ 0x08, 0x08, 0x1c, 0x1c, 0x2a, 0x2a, 0x08, 0x08, 0x08, 0x08
+};
+
+#define colorStopBorder_width 11
+#define colorStopBorder_height 11
+static unsigned char colorStopBorder_bits[] = {
+ 0x20, 0x00, 0x50, 0x00, 0x50, 0x00, 0x88, 0x00, 0x88, 0x00, 0x04, 0x01,
+ 0x04, 0x01, 0x02, 0x02, 0x02, 0x02, 0x01, 0x04, 0xff, 0x07
+};
+
+#define colorStop_width 9
+#define colorStop_height 10
+static unsigned char colorStop_bits[] = {
+ 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x38, 0x00, 0x38, 0x00, 0x7c, 0x00,
+ 0x7c, 0x00, 0xfe, 0x00, 0xfe, 0x00, 0xff, 0x01
+};
+
+VGradientWidget::VGradientWidget( VGradient& gradient, TQWidget* parent, const char* name )
+ : TQWidget( parent, name ), m_gradient( &gradient )
+{
+ setBackgroundMode( TQt::NoBackground );
+ setMinimumSize( 105, 35 );
+} // VGradientWidget::VGradientWidget
+
+VGradientWidget::~VGradientWidget()
+{
+} // VGradientWidget::~VGradientWidget
+
+void VGradientWidget::paintColorStop( TQPainter& p, int x, VColor& color )
+{
+ TQBitmap bitmap;
+
+ bitmap = TQBitmap( colorStop_width, colorStop_height, colorStop_bits, true );
+ bitmap.setMask( bitmap );
+ p.setPen( color );
+ p.drawPixmap( x - 4, 1, bitmap );
+
+ bitmap = TQBitmap( colorStopBorder_width, colorStopBorder_height, colorStopBorder_bits, true );
+ bitmap.setMask( bitmap );
+ p.setPen( TQt::black );
+ p.drawPixmap( x - 5, 1, bitmap );
+} // VGradientWidget::paintColorStop
+
+void VGradientWidget::paintMidPoint( TQPainter& p, int x )
+{
+ TQBitmap bitmap( midPoint_width, midPoint_height, midPoint_bits, true );
+ bitmap.setMask( bitmap );
+ p.setPen( TQt::black );
+ p.drawPixmap( x - 3, 1, bitmap );
+} // VGradientWidget::paintMidPoint
+
+void VGradientWidget::paintEvent( TQPaintEvent* )
+{
+ int w = width() - 4; // available width for gradient and points
+ int h = height() - 7; // available height for gradient and points
+ int ph = colorStopBorder_height + 2; // point marker height
+ int gh = h - ph; // gradient area height
+
+ TQPixmap pixmap( width(), height() );
+ VKoPainter gp( TQT_TQPAINTDEVICE(&pixmap), width(), height() );
+ gp.setRasterOp( TQt::XorROP );
+ VGradient gradient( *m_gradient );
+ gradient.setType( VGradient::linear );
+ gradient.setOrigin( KoPoint( 2, 2 ) );
+ gradient.setFocalPoint( KoPoint( 2, 2 ) );
+ gradient.setVector( KoPoint( 2 + w, 2 ) );
+ VFill fill;
+ TDEIconLoader il;
+ fill.pattern() = VPattern( il.iconPath( "karbon.png", TDEIcon::Small ) );
+ fill.setType( VFill::patt );
+ gp.setBrush( fill );
+ gp.drawRect( KoRect( 2, 2, w, gh ) );
+ fill.gradient() = gradient;
+ fill.setType( VFill::grad );
+ gp.setBrush( fill );
+ gp.drawRect( KoRect( 2, 2, w, gh ) );
+ gp.end();
+
+ TQPainter p( &pixmap );
+
+ p.setPen( colorGroup().light() );
+ // light frame around widget
+ p.moveTo( 1, height() - 1 );
+ p.lineTo( 1, 1 );
+ p.lineTo( width() - 1, 1 );
+ p.lineTo( width() - 1, height() - 1 );
+ p.lineTo( 1, height() - 1 );
+
+ // light line between gradient and point area
+ p.moveTo( 1, 3 + gh );
+ p.lineTo( width() - 1, 3 + gh );
+
+ p.setPen( colorGroup().dark() );
+ // left-top frame around widget
+ p.moveTo( 0, height() - 1 );
+ p.lineTo( 0, 0 );
+ p.lineTo( width() - 1, 0 );
+
+ // right-bottom from around gradient
+ p.moveTo( width() - 2, 2 );
+ p.lineTo( width() - 2, 2 + gh );
+ p.lineTo( 2, 2 + gh );
+
+ // upper line around point area
+ p.moveTo( 1, height() - 3 - ph );
+ p.lineTo( width() - 1, height() - 3 - ph );
+
+ // right-bottom line around point area
+ p.moveTo( width() - 2, height() - ph - 1 );
+ p.lineTo( width() - 2, height() - 2 );
+ p.lineTo( 2, height() - 2 );
+
+ m_pntArea.setRect( 2, height() - ph - 2, w, ph );
+ // clear point area
+ p.fillRect( m_pntArea.x(), m_pntArea.y(), m_pntArea.width(), m_pntArea.height(), colorGroup().background() );
+
+ p.setClipRect( m_pntArea.x(), m_pntArea.y(), m_pntArea.width(), m_pntArea.height() );
+ p.translate( m_pntArea.x(), m_pntArea.y() );
+
+ TQPtrList<VColorStop>& colorStops = m_gradient->m_colorStops;
+ if( colorStops.count() > 1 )
+ {
+ VColorStop* stop, *nextstop;
+ for( stop = colorStops.first(), nextstop = colorStops.next();
+ nextstop; stop = nextstop, nextstop = colorStops.next() )
+ {
+ paintColorStop( p, (int)( stop->rampPoint * m_pntArea.width() ), stop->color );
+ paintMidPoint( p, (int)(( stop->rampPoint + ( nextstop->rampPoint - stop->rampPoint ) * stop->midPoint ) * m_pntArea.width() ) );
+ }
+ paintColorStop( p, int( stop->rampPoint * w ), stop->color );
+ }
+ p.end();
+ bitBlt( this, 0, 0, &pixmap, 0, 0, width(), height() );
+} // VGradientWidget::paintEvent
+
+void VGradientWidget::mousePressEvent( TQMouseEvent* e )
+{
+ if( ! m_pntArea.contains( e->x(), e->y() ) )
+ return;
+
+ TQPtrList<VColorStop>& colorStops = m_gradient->m_colorStops;
+
+ currentPoint = 0;
+
+ int x = e->x() - m_pntArea.left();
+
+ int i = colorStops.count() - 1;
+ VColorStop *stop, *nextstop = 0;
+ for( stop = colorStops.last(); i >= 0; i--, stop = colorStops.prev() )
+ {
+ int r = int( stop->rampPoint * m_pntArea.width() );
+ if( nextstop )
+ {
+ int m = int( ( stop->rampPoint + ( nextstop->rampPoint - stop->rampPoint ) * stop->midPoint ) * m_pntArea.width() );
+ if( ( x > m - 5 ) && ( x < m + 5 ) )
+ {
+ // found mid point at position
+ currentPoint = 2 * i + 2;
+ if( e->button() == Qt::LeftButton )
+ setCursor( VCursor::horzMove() );
+ return;
+ }
+ }
+ if( ( x > r - 5 ) && ( x < r + 5 ) )
+ {
+ // found ramp point at position
+ currentPoint = 2 * i + 1;
+ if( e->button() == Qt::LeftButton )
+ setCursor( VCursor::horzMove() );
+ return;
+ }
+
+ nextstop = stop;
+ }
+} // VGradientWidget::mousePressEvent
+
+void VGradientWidget::mouseReleaseEvent( TQMouseEvent* e )
+{
+ if( e->button() == Qt::RightButton && currentPoint )
+ {
+ if( m_pntArea.contains( e->x(), e->y() ) && ( currentPoint % 2 == 1 ) )
+ {
+ int x = e->x() - m_pntArea.left();
+ // check if we are still above the actual ramp point
+ int r = int( m_gradient->m_colorStops.at( int(0.5 * currentPoint) )->rampPoint * m_pntArea.width() );
+ if( ( x > r - 5 ) && ( x < r + 5 ) )
+ {
+ m_gradient->m_colorStops.remove( int(0.5 * currentPoint) );
+ update();
+ emit changed();
+ }
+ }
+ }
+ setCursor( TQCursor( TQt::ArrowCursor ) );
+} // VGradientWidget::mouseReleaseEvent
+
+void VGradientWidget::mouseDoubleClickEvent( TQMouseEvent* e )
+{
+ if( ! m_pntArea.contains( e->x(), e->y() ) )
+ return;
+
+ if( e->button() != Qt::LeftButton )
+ return;
+
+ if( currentPoint % 2 == 1 )
+ {
+ // ramp point hit -> change color
+ VColorDlg* d = new VColorDlg( m_gradient->m_colorStops.at( currentPoint / 2 )->color, this->topLevelWidget() );
+ if( d->exec() == TQDialog::Accepted )
+ {
+ m_gradient->m_colorStops.at( currentPoint / 2 )->color = d->Color();
+ update();
+ emit changed();
+ }
+ delete d;
+ }
+ else if( currentPoint == 0 )
+ {
+ // now point hit -> create new color stop
+ VColorDlg* d = new VColorDlg( m_gradient->m_colorStops.at( 0 )->color, this->topLevelWidget() );
+ if( d->exec() == TQDialog::Accepted )
+ {
+ m_gradient->addStop( d->Color(), (float)( e->x() - 2 ) / ( m_pntArea.width() ), 0.5 );
+ update();
+ emit changed();
+ }
+ delete d;
+ }
+} // VGradientWidget::mouseDoubleClickEvent
+
+void VGradientWidget::mouseMoveEvent( TQMouseEvent* e )
+{
+ if( e->state() & Qt::RightButton )
+ return;
+
+ TQPtrList<VColorStop>& colorStops = m_gradient->m_colorStops;
+
+ if( currentPoint >= colorStops.count() * 2 )
+ return;
+
+ int x = e->x() - m_pntArea.left();
+
+ if( currentPoint % 2 == 1 )
+ {
+ // move ramp point
+ int actRP = int( 0.5 * ( currentPoint - 1 ) );
+ int prevRP = actRP - 1;
+ int nextRP = int( 0.5 * ( currentPoint + 1 ) );
+ // Clip the color stop between to others.
+ x = kMin( x, ( actRP < int( colorStops.count() - 1 ) ) ? int( colorStops.at( nextRP )->rampPoint * m_pntArea.width() ) : m_pntArea.width() );
+ x = kMax( x, ( actRP > 0 ) ? int( colorStops.at( prevRP )->rampPoint * m_pntArea.width() ) : 0 );
+ colorStops.at( actRP )->rampPoint = (float)( x ) / m_pntArea.width();
+ update();
+ emit changed();
+ }
+ else if( currentPoint > 0 )
+ {
+ // move mid point
+ int prevRP = int( 0.5 * ( currentPoint - 1 ) );
+ int nextRP = int( 0.5 * ( currentPoint + 1 ) );
+ // Clip the mid point between to ramp points.
+ x = kMin( x, int( colorStops.at( nextRP )->rampPoint * m_pntArea.width() ) );
+ x = kMax( x, int( colorStops.at( prevRP )->rampPoint * m_pntArea.width() ) );
+ colorStops.at( prevRP )->midPoint = ( (float)( x ) / m_pntArea.width() - ( colorStops.at( prevRP )->rampPoint ) ) / ( colorStops.at( nextRP )->rampPoint - colorStops.at( prevRP )->rampPoint );
+ update();
+ emit changed();
+ }
+} // VGradientWidget::mouseMoveEvent
+
+#include "vgradientwidget.moc"