Diffstat (limited to 'libopie2/opieui/oselector.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie2/opieui/oselector.cpp | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/libopie2/opieui/oselector.cpp b/libopie2/opieui/oselector.cpp index ec5af6b..23b3ce3 100644 --- a/libopie2/opieui/oselector.cpp +++ b/libopie2/opieui/oselector.cpp @@ -1,716 +1,715 @@ /* This file is part of the KDE libraries Copyright (C) 1997 Martin Jones (mjones@kde.org) 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* QT */ #include <qimage.h> -#include <qpainter.h> #include <qdrawutil.h> /* OPIE */ #include <opie2/oimageeffect.h> #include <opie2/oselector.h> #define STORE_W 8 #define STORE_W2 STORE_W * 2 //----------------------------------------------------------------------------- /* * 2D value selector. * The contents of the selector are drawn by derived class. */ OXYSelector::OXYSelector( QWidget *parent, const char *name ) : QWidget( parent, name ) { xPos = 0; yPos = 0; minX = 0; minY = 0; maxX = 100; maxY = 100; store.setOptimization( QPixmap::BestOptim ); store.resize( STORE_W2, STORE_W2 ); } OXYSelector::~OXYSelector() {} void OXYSelector::setRange( int _minX, int _minY, int _maxX, int _maxY ) { px = 2; py = 2; minX = _minX; minY = _minY; maxX = _maxX; maxY = _maxY; } void OXYSelector::setValues( int _xPos, int _yPos ) { xPos = _xPos; yPos = _yPos; if ( xPos > maxX ) xPos = maxX; else if ( xPos < minX ) xPos = minX; if ( yPos > maxY ) yPos = maxY; else if ( yPos < minY ) yPos = minY; int xp = 2 + (width() - 4) * xPos / (maxX - minX); int yp = height() - 2 - (height() - 4) * yPos / (maxY - minY); setPosition( xp, yp ); } QRect OXYSelector::contentsRect() const { return QRect( 2, 2, width()-4, height()-4 ); } void OXYSelector::paintEvent( QPaintEvent *ev ) { QRect cursorRect( px - STORE_W, py - STORE_W, STORE_W2, STORE_W2); QRect paintRect = ev->rect(); QPainter painter; painter.begin( this ); QBrush brush; qDrawShadePanel( &painter, 0, 0, width(), height(), colorGroup(), TRUE, 2, &brush ); drawContents( &painter ); if (paintRect.contains(cursorRect)) { bitBlt( &store, 0, 0, this, px - STORE_W, py - STORE_W, STORE_W2, STORE_W2, CopyROP ); drawCursor( &painter, px, py ); } else if (paintRect.intersects(cursorRect)) { repaint( cursorRect, false); } painter.end(); } void OXYSelector::mousePressEvent( QMouseEvent *e ) { int xVal, yVal; valuesFromPosition( e->pos().x() - 2, e->pos().y() - 2, xVal, yVal ); setValues( xVal, yVal ); emit valueChanged( xPos, yPos ); } void OXYSelector::mouseMoveEvent( QMouseEvent *e ) { int xVal, yVal; valuesFromPosition( e->pos().x() - 2, e->pos().y() - 2, xVal, yVal ); setValues( xVal, yVal ); emit valueChanged( xPos, yPos ); } void OXYSelector::wheelEvent( QWheelEvent *e ) { #if QT_VERSION > 290 if ( e->orientation() == Qt::Horizontal ) setValues( xValue() + e->delta()/120, yValue() ); else setValues( xValue(), yValue() + e->delta()/120 ); emit valueChanged( xPos, yPos ); #endif } void OXYSelector::valuesFromPosition( int x, int y, int &xVal, int &yVal ) const { xVal = ( (maxX-minX) * (x-2) ) / ( width()-4 ); yVal = maxY - ( ( (maxY-minY) * (y-2) ) / ( height()-4 ) ); if ( xVal > maxX ) xVal = maxX; else if ( xVal < minX ) xVal = minX; if ( yVal > maxY ) yVal = maxY; else if ( yVal < minY ) yVal = minY; } void OXYSelector::setPosition( int xp, int yp ) { if ( xp < 2 ) xp = 2; else if ( xp > width() - 2 ) xp = width() - 2; if ( yp < 2 ) yp = 2; else if ( yp > height() - 2 ) yp = height() - 2; QPainter painter; painter.begin( this ); bitBlt( this, px - STORE_W, py - STORE_W, &store, 0, 0, STORE_W2, STORE_W2, CopyROP ); bitBlt( &store, 0, 0, this, xp - STORE_W, yp - STORE_W, STORE_W2, STORE_W2, CopyROP ); drawCursor( &painter, xp, yp ); px = xp; py = yp; painter.end(); } void OXYSelector::drawContents( QPainter * ) {} void OXYSelector::drawCursor( QPainter *p, int xp, int yp ) { p->setPen( QPen( white ) ); p->drawLine( xp - 6, yp - 6, xp - 2, yp - 2 ); p->drawLine( xp - 6, yp + 6, xp - 2, yp + 2 ); p->drawLine( xp + 6, yp - 6, xp + 2, yp - 2 ); p->drawLine( xp + 6, yp + 6, xp + 2, yp + 2 ); } //----------------------------------------------------------------------------- /* * 1D value selector with contents drawn by derived class. * See OColorDialog for example. */ OSelector::OSelector( QWidget *parent, const char *name ) : QWidget( parent, name ), QRangeControl() { _orientation = Horizontal; _indent = TRUE; } OSelector::OSelector( Orientation o, QWidget *parent, const char *name ) : QWidget( parent, name ), QRangeControl() { _orientation = o; _indent = TRUE; } OSelector::~OSelector() {} QRect OSelector::contentsRect() const { if ( orientation() == Vertical ) return QRect( 2, 5, width()-9, height()-10 ); else return QRect( 5, 2, width()-10, height()-9 ); } void OSelector::paintEvent( QPaintEvent * ) { QPainter painter; painter.begin( this ); drawContents( &painter ); QBrush brush; if ( indent() ) { if ( orientation() == Vertical ) qDrawShadePanel( &painter, 0, 3, width()-5, height()-6, colorGroup(), TRUE, 2, &brush ); else qDrawShadePanel( &painter, 3, 0, width()-6, height()-5, colorGroup(), TRUE, 2, &brush ); } QPoint pos = calcArrowPos( value() ); drawArrow( &painter, TRUE, pos ); painter.end(); } void OSelector::mousePressEvent( QMouseEvent *e ) { moveArrow( e->pos() ); } void OSelector::mouseMoveEvent( QMouseEvent *e ) { moveArrow( e->pos() ); } void OSelector::wheelEvent( QWheelEvent *e ) { int val = value() + e->delta()/120; emit valueChanged( val ); setValue( val ); } void OSelector::valueChange() { QPainter painter; QPoint pos; painter.begin( this ); pos = calcArrowPos( prevValue() ); drawArrow( &painter, FALSE, pos ); pos = calcArrowPos( value() ); drawArrow( &painter, TRUE, pos ); painter.end(); } void OSelector::moveArrow( const QPoint &pos ) { int val; if ( orientation() == Vertical ) val = ( maxValue() - minValue() ) * (height()-pos.y()-3) / (height()-10) + minValue(); else val = ( maxValue() - minValue() ) * (width()-pos.x()-3) / (width()-10) + minValue(); if ( val > maxValue() ) val = maxValue(); if ( val < minValue() ) val = minValue(); emit valueChanged( val ); setValue( val ); } QPoint OSelector::calcArrowPos( int val ) { QPoint p; if ( orientation() == Vertical ) { p.setY( height() - ( (height()-10) * val / ( maxValue() - minValue() ) + 5 ) ); p.setX( width() - 5 ); } else { p.setX( width() - ( (width()-10) * val / ( maxValue() - minValue() ) + 5 ) ); p.setY( height() - 5 ); } return p; } void OSelector::drawContents( QPainter * ) {} void OSelector::drawArrow( QPainter *painter, bool show, const QPoint &pos ) { if ( show ) { QPointArray array(3); painter->setPen( QPen() ); painter->setBrush( QBrush( colorGroup().buttonText() ) ); if ( orientation() == Vertical ) { array.setPoint( 0, pos.x()+0, pos.y()+0 ); array.setPoint( 1, pos.x()+5, pos.y()+5 ); array.setPoint( 2, pos.x()+5, pos.y()-5 ); } else { array.setPoint( 0, pos.x()+0, pos.y()+0 ); array.setPoint( 1, pos.x()+5, pos.y()+5 ); array.setPoint( 2, pos.x()-5, pos.y()+5 ); } painter->drawPolygon( array ); } else { if ( orientation() == Vertical ) { repaint(pos.x(), pos.y()-5, 6, 11, true); } else { repaint(pos.x()-5, pos.y(), 11, 6, true); } } } //---------------------------------------------------------------------------- OGradientSelector::OGradientSelector( QWidget *parent, const char *name ) : OSelector( parent, name ) { init(); } OGradientSelector::OGradientSelector( Orientation o, QWidget *parent, const char *name ) : OSelector( o, parent, name ) { init(); } OGradientSelector::~OGradientSelector() {} void OGradientSelector::init() { color1.setRgb( 0, 0, 0 ); color2.setRgb( 255, 255, 255 ); text1 = text2 = ""; } void OGradientSelector::drawContents( QPainter *painter ) { QImage image( contentsRect().width(), contentsRect().height(), 32 ); QColor col; float scale; int redDiff = color2.red() - color1.red(); int greenDiff = color2.green() - color1.green(); int blueDiff = color2.blue() - color1.blue(); if ( orientation() == Vertical ) { for ( int y = 0; y < image.height(); y++ ) { scale = 1.0 * y / image.height(); col.setRgb( color1.red() + int(redDiff*scale), color1.green() + int(greenDiff*scale), color1.blue() + int(blueDiff*scale) ); unsigned int *p = (uint *) image.scanLine( y ); for ( int x = 0; x < image.width(); x++ ) *p++ = col.rgb(); } } else { unsigned int *p = (uint *) image.scanLine( 0 ); for ( int x = 0; x < image.width(); x++ ) { scale = 1.0 * x / image.width(); col.setRgb( color1.red() + int(redDiff*scale), color1.green() + int(greenDiff*scale), color1.blue() + int(blueDiff*scale) ); *p++ = col.rgb(); } for ( int y = 1; y < image.height(); y++ ) memcpy( image.scanLine( y ), image.scanLine( y - 1), sizeof( unsigned int ) * image.width() ); } QColor ditherPalette[8]; for ( int s = 0; s < 8; s++ ) ditherPalette[s].setRgb( color1.red() + redDiff * s / 8, color1.green() + greenDiff * s / 8, color1.blue() + blueDiff * s / 8 ); OImageEffect::dither( image, ditherPalette, 8 ); QPixmap p; p.convertFromImage( image ); painter->drawPixmap( contentsRect().x(), contentsRect().y(), p ); if ( orientation() == Vertical ) { int yPos = contentsRect().top() + painter->fontMetrics().ascent() + 2; int xPos = contentsRect().left() + (contentsRect().width() - painter->fontMetrics().width( text2 )) / 2; QPen pen( color2 ); painter->setPen( pen ); painter->drawText( xPos, yPos, text2 ); yPos = contentsRect().bottom() - painter->fontMetrics().descent() - 2; xPos = contentsRect().left() + (contentsRect().width() - painter->fontMetrics().width( text1 )) / 2; pen.setColor( color1 ); painter->setPen( pen ); painter->drawText( xPos, yPos, text1 ); } else { int yPos = contentsRect().bottom()-painter->fontMetrics().descent()-2; QPen pen( color2 ); painter->setPen( pen ); painter->drawText( contentsRect().left() + 2, yPos, text1 ); pen.setColor( color1 ); painter->setPen( pen ); painter->drawText( contentsRect().right() - painter->fontMetrics().width( text2 ) - 2, yPos, text2 ); } } //----------------------------------------------------------------------------- static QColor *standardPalette = 0; #define STANDARD_PAL_SIZE 17 OColor::OColor() : QColor() { r = 0; g = 0; b = 0; h = 0; s = 0; v = 0; }; OColor::OColor( const OColor &col) : QColor( col ) { h = col.h; s = col.s; v = col.v; r = col.r; g = col.g; b = col.b; }; OColor::OColor( const QColor &col) : QColor( col ) { QColor::rgb(&r, &g, &b); QColor::hsv(&h, &s, &v); }; bool OColor::operator==(const OColor& col) const { return (h == col.h) && (s == col.s) && (v == col.v) && (r == col.r) && (g == col.g) && (b == col.b); } OColor& OColor::operator=(const OColor& col) { *(QColor *)this = col; h = col.h; s = col.s; v = col.v; r = col.r; g = col.g; b = col.b; return *this; } void OColor::setHsv(int _h, int _s, int _v) { h = _h; s = _s; v = _v; QColor::setHsv(h, s, v); QColor::rgb(&r, &g, &b); }; void OColor::setRgb(int _r, int _g, int _b) { r = _r; g = _g; b = _b; QColor::setRgb(r, g, b); QColor::hsv(&h, &s, &v); } void OColor::rgb(int *_r, int *_g, int *_b) const { *_r = r; *_g = g; *_b = b; } void OColor::hsv(int *_h, int *_s, int *_v) const { *_h = h; *_s = s; *_v = v; } static void createStandardPalette() { if ( standardPalette ) return; standardPalette = new QColor[STANDARD_PAL_SIZE]; int i = 0; standardPalette[i++] = Qt::red; standardPalette[i++] = Qt::green; standardPalette[i++] = Qt::blue; standardPalette[i++] = Qt::cyan; standardPalette[i++] = Qt::magenta; standardPalette[i++] = Qt::yellow; standardPalette[i++] = Qt::darkRed; standardPalette[i++] = Qt::darkGreen; standardPalette[i++] = Qt::darkBlue; standardPalette[i++] = Qt::darkCyan; standardPalette[i++] = Qt::darkMagenta; standardPalette[i++] = Qt::darkYellow; standardPalette[i++] = Qt::white; standardPalette[i++] = Qt::lightGray; standardPalette[i++] = Qt::gray; standardPalette[i++] = Qt::darkGray; standardPalette[i++] = Qt::black; } OHSSelector::OHSSelector( QWidget *parent, const char *name ) : OXYSelector( parent, name ) { setRange( 0, 0, 359, 255 ); } void OHSSelector::updateContents() { drawPalette(&pixmap); } void OHSSelector::resizeEvent( QResizeEvent * ) { updateContents(); } void OHSSelector::drawContents( QPainter *painter ) { painter->drawPixmap( contentsRect().x(), contentsRect().y(), pixmap ); } void OHSSelector::drawPalette( QPixmap *pixmap ) { int xSize = contentsRect().width(), ySize = contentsRect().height(); QImage image( xSize, ySize, 32 ); QColor col; int h, s; uint *p; for ( s = ySize-1; s >= 0; s-- ) { p = (uint *) image.scanLine( ySize - s - 1 ); for( h = 0; h < xSize; h++ ) { col.setHsv( 359*h/(xSize-1), 255*s/(ySize-1), 192 ); *p = col.rgb(); p++; } } if ( QColor::numBitPlanes() <= 8 ) { createStandardPalette(); OImageEffect::dither( image, standardPalette, STANDARD_PAL_SIZE ); } pixmap->convertFromImage( image ); } //----------------------------------------------------------------------------- OValueSelector::OValueSelector( QWidget *parent, const char *name ) : OSelector( OSelector::Vertical, parent, name ), _hue(0), _sat(0) { setRange( 0, 255 ); pixmap.setOptimization( QPixmap::BestOptim ); } OValueSelector::OValueSelector(Orientation o, QWidget *parent, const char *name ) : OSelector( o, parent, name), _hue(0), _sat(0) { setRange( 0, 255 ); pixmap.setOptimization( QPixmap::BestOptim ); } void OValueSelector::updateContents() { drawPalette(&pixmap); } void OValueSelector::resizeEvent( QResizeEvent * ) { updateContents(); } void OValueSelector::drawContents( QPainter *painter ) { painter->drawPixmap( contentsRect().x(), contentsRect().y(), pixmap ); } void OValueSelector::drawPalette( QPixmap *pixmap ) { int xSize = contentsRect().width(), ySize = contentsRect().height(); QImage image( xSize, ySize, 32 ); QColor col; uint *p; QRgb rgb; if ( orientation() == OSelector::Horizontal ) { for ( int v = 0; v < ySize; v++ ) { p = (uint *) image.scanLine( ySize - v - 1 ); for( int x = 0; x < xSize; x++ ) { col.setHsv( _hue, _sat, 255*x/(xSize-1) ); rgb = col.rgb(); *p++ = rgb; } } } if( orientation() == OSelector::Vertical ) { for ( int v = 0; v < ySize; v++ ) { p = (uint *) image.scanLine( ySize - v - 1 ); col.setHsv( _hue, _sat, 255*v/(ySize-1) ); rgb = col.rgb(); for ( int i = 0; i < xSize; i++ ) *p++ = rgb; } } if ( QColor::numBitPlanes() <= 8 ) { createStandardPalette(); OImageEffect::dither( image, standardPalette, STANDARD_PAL_SIZE ); } pixmap->convertFromImage( image ); } |