summaryrefslogtreecommitdiffstats
path: root/kstars/kstars/tools/kstarsplotwidget.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'kstars/kstars/tools/kstarsplotwidget.cpp')
-rw-r--r--kstars/kstars/tools/kstarsplotwidget.cpp670
1 files changed, 670 insertions, 0 deletions
diff --git a/kstars/kstars/tools/kstarsplotwidget.cpp b/kstars/kstars/tools/kstarsplotwidget.cpp
new file mode 100644
index 00000000..5e66e2a6
--- /dev/null
+++ b/kstars/kstars/tools/kstarsplotwidget.cpp
@@ -0,0 +1,670 @@
+/***************************************************************************
+ kstarsplotwidget.cpp - A widget for data plotting in KStars
+ -------------------
+ begin : Sun 18 May 2003
+ copyright : (C) 2003 by Jason Harris
+ email : kstars@30doradus.org
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ ***************************************************************************/
+
+#include <math.h> //for log10(), pow(), modf()
+#include <kdebug.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <qcolor.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+#include <qstring.h>
+
+#include "kstarsplotwidget.h"
+
+
+
+KStarsPlotWidget::KStarsPlotWidget( double x1, double x2, double y1, double y2, QWidget *parent, const char* name )
+ : KPlotWidget( x1, x2, y1, y2, parent, name ),
+ dXtick2(0.0), dYtick2(0.0),
+ nmajX2(0), nminX2(0), nmajY2(0), nminY2(0),
+ XAxisType(DOUBLE), YAxisType(DOUBLE), XAxisType_0(DOUBLE), YAxisType_0(DOUBLE),
+ XScaleFactor(1.0), YScaleFactor(1.0)
+ {
+
+ setLimits( x1, x2, y1, y2 );
+ setSecondaryLimits( 0.0, 0.0, 0.0, 0.0 );
+}
+
+void KStarsPlotWidget::setLimits( double x1, double x2, double y1, double y2 ) {
+ double X1=0, X2=0, Y1=0, Y2=0;
+ if (x2<x1) { X1=x2; X2=x1; }
+ else { X1=x1; X2=x2; }
+ if ( y2<y1) { Y1=y2; Y2=y1; }
+ else { Y1=y1; Y2=y2; }
+
+ DataRect = DRect( X1, Y1, X2 - X1, Y2 - Y1 );
+ checkLimits();
+
+ updateTickmarks();
+}
+
+void KStarsPlotWidget::setSecondaryLimits( double x1, double x2, double y1, double y2 ) {
+ double XB1=0, XB2=0, YB1=0, YB2=0;
+ if (x2<x1) { XB1=x2; XB2=x1; }
+ else { XB1=x1; XB2=x2; }
+ if ( y2<y1) { YB1=y2; YB2=y1; }
+ else { YB1=y1; YB2=y2; }
+
+ DataRect2 = DRect( XB1, YB1, XB2 - XB1, YB2 - YB1 );
+ updateTickmarks();
+}
+
+void KStarsPlotWidget::checkLimits() {
+ AXIS_TYPE type(DOUBLE);
+ double Range(0.0), sc(1.0);
+
+ for ( unsigned int i=0; i<2; ++i ) {
+ if ( i==0 ) {
+ type = xAxisType0();
+ Range = DataRect.x2() - DataRect.x();
+ } else {
+ type = yAxisType0();
+ Range = DataRect.y2() - DataRect.y();
+ }
+
+ //we switch from TIME type to DOUBLE type if :
+ // Range >36 (we measure in days) or
+ // Range <1 (we measure in minutes)
+ if ( type==TIME ) {
+ if ( Range > 36.0 ) {
+ type = DOUBLE;
+ sc = 1.0/24.0;
+ } else if ( Range < 1.0 ) {
+ type = DOUBLE;
+ sc = 60.0;
+ }
+ }
+
+ //we switch from ANGLE type to DOUBLE type if :
+ // Range >450 (== 1.25 revolutions) (we still measure in degrees, but use DOUBLE rules) or
+ // Range <1 (we measure in arcminutes)
+ if ( type==ANGLE ) {
+ if ( Range > 450.0 ) {
+ type = DOUBLE;
+ } else if ( Range < 1.0 ) {
+ type = DOUBLE;
+ sc = 60.0;
+ }
+ }
+
+ //set the effective DataRect with a bootstrap method; first the x-values
+ //(temporarily using the intrinsic DataRect0 for the y-values), then the
+ //y-values (using the new x-values already in DataRect)
+ if ( i==0 ) {
+ setXAxisType( type );
+ setXScale( sc );
+ } else {
+ setYAxisType( type );
+ setYScale( sc );
+ }
+ }
+}
+
+void KStarsPlotWidget::updateTickmarks() {
+ //This function differs from KPlotWidget::updateTickmarks() in two ways:
+ //the placement of tickmarks is dependent on the Data type of the axis,
+ //and we add the possibility of secondary limits for the top/right axes.
+ if ( dataWidth() == 0.0 ) {
+ kdWarning() << "X range invalid! " << x() << " to " << x2() << endl;
+ DataRect.setWidth( 1.0 );
+ checkLimits();
+ return;
+ }
+ if ( dataHeight() == 0.0 ) {
+ kdWarning() << "Y range invalid! " << y() << " to " << y2() << endl;
+ DataRect.setHeight( 1.0 );
+ checkLimits();
+ return;
+ }
+
+ AXIS_TYPE type(DOUBLE);
+ int nmajor(0), nminor(0);
+ double z1(0.0), z2(0.0), zb1(0.0), zb2(0.0), scale(1.0);
+ double Range(0.0), s(0.0), t(0.0), pwr(0.0), dTick(0.0);
+
+ //loop over X and Y axes...the z variables substitute for either X or Y
+ for ( unsigned int iaxis=0; iaxis<2; ++iaxis ) {
+ if ( iaxis == 1 ) {
+ z1 = x(); z2 = x2(); zb1 = xb(); zb2 = xb2();
+ type = xAxisType();
+ scale = xScale();
+ } else {
+ z1 = y(); z2 = y2(); zb1 = yb(); zb2 = yb2();
+ type = yAxisType();
+ scale = yScale();
+ }
+
+ unsigned int nLimits(1);
+ if ( zb2 - zb1 > 0.0 ) nLimits=2; //secondary limits are defined
+
+ for ( unsigned int itry=1; itry<=nLimits; ++itry ) {
+ //determine size of region to be drawn, in draw units
+ if ( itry==1 ) Range = scale*(z2 - z1);
+ else Range = scale*(zb2 - zb1);
+
+ switch ( type ) {
+ case DOUBLE :
+ {
+ //s is the power-of-ten factor of Range:
+ //Range = t * s; s = 10^(pwr). e.g., Range=350.0 then t=3.5, s = 100.0; pwr = 2.0
+ modf( log10(Range), &pwr );
+ s = pow( 10.0, pwr );
+ t = Range/s;
+
+ //adjust s and t such that t is between 3 and 5:
+ if ( t < 3.0 ) { t *= 10.0; s /= 10.0; } //t now btwn 3 and 30
+ if ( t < 6.0 ) { //accept current values
+ dTick = s/scale;
+ nmajor = int(t);
+ nminor = 5;
+ } else if ( t < 10.0 ) { //factor of 2
+ dTick = s*2.0/scale;
+ nmajor = int(t/2.0);
+ nminor = 4;
+ } else if ( t < 20.0 ) { //factor of 4
+ dTick = s*4.0/scale;
+ nmajor = int(t/4.0);
+ nminor = 4;
+ } else { //factor of 5
+ dTick = s*5.0/scale;
+ nmajor = int(t/5.0);
+ nminor = 5;
+ }
+
+ break;
+ } // end case DOUBLE
+
+ case TIME:
+ {
+ if ( Range < 3.0 ) {
+ dTick = 0.5/scale;
+ nmajor = int(Range/dTick);
+ nminor = 3;
+ } else if ( Range < 6.0 ) {
+ dTick = 1.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 4;
+ } else if ( Range < 12.0 ) {
+ dTick = 2.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 4;
+ } else {
+ dTick = 4.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 4;
+ }
+
+ break;
+ } //end case TIME
+
+ case ANGLE:
+ {
+ if ( Range < 3.0 ) {
+ dTick = 0.5/scale;
+ nmajor = int(Range/dTick);
+ nminor = 3;
+ } else if ( Range < 6.0 ) {
+ dTick = 1.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 4;
+ } else if ( Range < 12.0 ) {
+ dTick = 2.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 4;
+ } else if ( Range < 20.0 ) {
+ dTick = 4.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 5;
+ } else if ( Range < 30.0 ) {
+ dTick = 5.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 5;
+ } else if ( Range < 60.0 ) {
+ dTick = 10.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 5;
+ } else if ( Range < 190.0 ) {
+ dTick = 30.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 3;
+ } else {
+ dTick = 45.0/scale;
+ nmajor = int(Range/dTick);
+ nminor = 3;
+ }
+
+ break;
+ } //end case TIME
+
+ case UNKNOWN_TYPE: break;
+
+ } //end type switch
+
+ if ( iaxis==1 ) { //X axis
+ if ( itry==1 ) {
+ nmajX = nmajor;
+ nminX = nminor;
+ dXtick = dTick;
+ } else {
+ nmajX2 = nmajor;
+ nminX2 = nminor;
+ dXtick2 = dTick;
+ }
+ } else { //Y axis
+ if ( itry==1 ) {
+ nmajY = nmajor;
+ nminY = nminor;
+ dYtick = dTick;
+ } else {
+ nmajY2 = nmajor;
+ nminY2 = nminor;
+ dYtick2 = dTick;
+ }
+ } //end if iaxis
+ } //end for itry
+ } //end for iaxis
+}
+
+void KStarsPlotWidget::drawBox( QPainter *p ) {
+ int pW = PixRect.width(), pH = PixRect.height();
+
+ //First, fill in padding region with bgColor() to mask out-of-bounds plot data
+ p->setPen( bgColor() );
+ p->setBrush( bgColor() );
+
+ //left padding ( don't forget: we have translated by XPADDING, YPADDING )
+ p->drawRect( -leftPadding(), -topPadding(), leftPadding(), height() );
+
+ //right padding
+ p->drawRect( pW, -topPadding(), rightPadding(), height() );
+
+ //top padding
+ p->drawRect( 0, -topPadding(), pW, topPadding() );
+
+ //bottom padding
+ p->drawRect( 0, pH, pW, bottomPadding() );
+
+ if ( ShowGrid ) {
+ //Grid lines are placed at locations of primary axes' major tickmarks
+ p->setPen( gridColor() );
+
+ //vertical grid lines
+ double x0 = x() - dmod( x(), dXtick ); //zeropoint; x(i) is this plus i*dXtick1
+ for ( int ix = 0; ix <= nmajX+1; ix++ ) {
+ int px = int( pW * ( (x0 + ix*dXtick - x())/dataWidth() ) );
+ p->drawLine( px, 0, px, pH );
+ }
+
+ //horizontal grid lines
+ double y0 = y() - dmod( y(), dYtick ); //zeropoint; y(i) is this plus i*mX
+ for ( int iy = 0; iy <= nmajY+1; iy++ ) {
+ int py = int( pH * ( (y0 + iy*dYtick - y())/dataHeight() ) );
+ p->drawLine( 0, py, pW, py );
+ }
+ }
+
+ p->setPen( fgColor() );
+ p->setBrush( Qt::NoBrush );
+
+ if ( LeftAxis.isVisible() || BottomAxis.isVisible() ) p->drawRect( PixRect ); //box outline
+
+ if ( ShowTickMarks ) {
+ //spacing between minor tickmarks (in data units)
+ double dminX = dXtick/nminX;
+ double dminY = dYtick/nminY;
+
+ bool secondaryXLimits( false );
+ bool secondaryYLimits( false );
+ if ( dataWidth2() > 0.0 && ( xb() != x() || xb2() != x2() ) ) secondaryXLimits = true;
+ if ( dataHeight2() > 0.0 && ( yb() != y() || yb2() != y2() ) ) secondaryYLimits = true;
+
+ //set small font for tick labels
+ QFont f = p->font();
+ int s = f.pointSize();
+ f.setPointSize( s - 2 );
+ p->setFont( f );
+
+ //--- Draw primary X tickmarks on bottom axis---//
+ double x0 = x() - dmod( x(), dXtick ); //zeropoint; tickmark i is this plus i*dXtick1 (in data units)
+ if ( x() < 0 ) x0 -= dXtick;
+
+ for ( int ix = 0; ix <= nmajX+1; ix++ ) {
+ int px = int( pW * ( (x0 + ix*dXtick - x())/dataWidth() ) ); //position of tickmark i (in screen units)
+ if ( px > 0 && px < pW ) {
+ p->drawLine( px, pH - 2, px, pH - BIGTICKSIZE - 2 ); //move tickmarks 2 pixels (avoids sticking out other side)
+ if ( !secondaryXLimits ) p->drawLine( px, 0, px, BIGTICKSIZE );
+ }
+
+ //tick label
+ if ( ShowTickLabels ) {
+ double lab = xScale()*(x0 + ix*dXtick);
+ if ( fabs(lab)/dXtick < 0.00001 ) lab = 0.0; //fix occassional roundoff error with "0.0" label
+
+ switch ( xAxisType() ) {
+ case DOUBLE :
+ {
+ QString str = QString( "%1" ).arg( lab, 0, 'g', 2 );
+ int idot = str.find( '.' );
+ if ( idot >= 0 )
+ str = str.replace( idot, 1, KGlobal::locale()->decimalSymbol() );
+
+ if ( px > 0 && px < pW ) {
+ QRect r( px - BIGTICKSIZE, pH+BIGTICKSIZE, 2*BIGTICKSIZE, BIGTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+ case TIME :
+ {
+ int h = int(lab);
+ int m = int(60.*(lab - h));
+ while ( h > 24 ) { h -= 24; }
+ while ( h < 0 ) { h += 24; }
+
+ QString str = QString().sprintf( "%02d:%02d", h, m );
+ if ( px > 0 && px < pW ) {
+ QRect r( px - BIGTICKSIZE, pH+BIGTICKSIZE, 2*BIGTICKSIZE, BIGTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+ case ANGLE :
+ {
+ QString str = QString().sprintf( "%d%c", int(lab), 176 );
+ if ( px > 0 && px < pW ) {
+ QRect r( px - BIGTICKSIZE, pH+BIGTICKSIZE, 2*BIGTICKSIZE, BIGTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+
+ case UNKNOWN_TYPE : break;
+ }
+ }
+
+ //draw minor ticks
+ for ( int j=0; j < nminX; j++ ) {
+ int pmin = int( px + pW*j*dminX/dataWidth() ); //position of minor tickmark j (in screen units)
+ if ( pmin > 0 && pmin < pW ) {
+ p->drawLine( pmin, pH-2, pmin, pH-SMALLTICKSIZE-2 );
+ if ( !secondaryXLimits ) p->drawLine( pmin, 0, pmin, SMALLTICKSIZE );
+ }
+ }
+ }
+
+ //--- Draw primary Y tickmarks on left axis---//
+ double y0 = y() - dmod( y(), dYtick ); //zeropoint; tickmark i is this plus i*dYtick1 (in data units)
+ if ( y() < 0 ) y0 -= dYtick;
+
+ for ( int iy = 0; iy <= nmajY+1; iy++ ) {
+ int py = pH - int( pH * ( (y0 + iy*dYtick - y())/dataHeight() ) ); //position of tickmark i (in screen units)
+ if ( py > 0 && py < pH ) {
+ p->drawLine( 0, py, BIGTICKSIZE, py );
+ if ( !secondaryXLimits ) p->drawLine( pW - BIGTICKSIZE - 2, py, pW - 2, py );
+ }
+
+ //tick label
+ if ( ShowTickLabels ) {
+ double lab = yScale()*(y0 + iy*dYtick);
+ if ( fabs(lab)/dYtick < 0.00001 ) lab = 0.0; //fix occassional roundoff error with "0.0" label
+
+ switch ( yAxisType() ) {
+ case DOUBLE :
+ {
+ QString str = QString( "%1" ).arg( lab, 0, 'g', 2 );
+ int idot = str.find( '.' );
+ if ( idot >= 0 )
+ str = str.replace( idot, 1, KGlobal::locale()->decimalSymbol() );
+
+ if ( py > 0 && py < pH ) {
+ QRect r( -2*BIGTICKSIZE, py-SMALLTICKSIZE, 2*BIGTICKSIZE, 2*SMALLTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+ case TIME :
+ {
+ int h = int(lab);
+ int m = int(60.*(lab - h));
+ while ( h > 24 ) { h -= 24; }
+ while ( h < 0 ) { h += 24; }
+
+ QString str = QString().sprintf( "%02d:%02d", h, m );
+ if ( py > 0 && py < pH ) {
+ QRect r( -3*BIGTICKSIZE, py-SMALLTICKSIZE, 2*BIGTICKSIZE, 2*SMALLTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+ case ANGLE :
+ {
+ QString str = QString().sprintf( "%d%c", int(lab), 176 );
+ if ( py > 0 && py < pH ) {
+ QRect r( -3*BIGTICKSIZE, py-SMALLTICKSIZE, 2*BIGTICKSIZE, 2*SMALLTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+
+ case UNKNOWN_TYPE : break;
+ }
+ }
+
+ //draw minor ticks
+ for ( int j=0; j < nminY; j++ ) {
+ int pmin = int( py - pH*j*dminY/dataHeight() ); //position of minor tickmark j (in screen units)
+ if ( pmin > 0 && pmin < pH ) {
+ p->drawLine( 0, pmin, SMALLTICKSIZE, pmin );
+ if ( !secondaryYLimits ) p->drawLine( pW - 2, pmin, pW-SMALLTICKSIZE-2, pmin );
+ }
+ }
+ }
+
+ //--- Draw secondary X tickmarks on top axis---//
+ if ( secondaryXLimits ) {
+ double dminX2 = dXtick2/nminX2;
+ double x0 = xb() - dmod( xb(), dXtick2 ); //zeropoint; tickmark i is this plus i*dXtick2 (in data units)
+
+ for ( int ix = 0; ix <= nmajX2; ix++ ) {
+ int px = int( pW * ( (x0 + ix*dXtick2 - xb())/dataWidth2() ) ); //position of tickmark i (in screen units)
+ if ( px > 0 && px < pW ) p->drawLine( px, 0, px, BIGTICKSIZE );
+
+ //tick label
+ if ( ShowTickLabels ) {
+ double lab = xScale()*(x0 + ix*dXtick2);
+ if ( fabs(lab)/dXtick2 < 0.00001 ) lab = 0.0; //fix occassional roundoff error with "0.0" label
+
+ switch ( xAxisType() ) {
+ case DOUBLE :
+ {
+ QString str = QString( "%1" ).arg( lab, 0, 'g', 2 );
+ int idot = str.find( '.' );
+ if ( idot >= 0 )
+ str = str.replace( idot, 1, KGlobal::locale()->decimalSymbol() );
+
+ if ( px > 0 && px < pW ) {
+ QRect r( px - BIGTICKSIZE, -2*BIGTICKSIZE, 2*BIGTICKSIZE, BIGTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+ case TIME :
+ {
+ int h = int(lab);
+ int m = int(60.*(lab - h));
+ while ( h > 24 ) { h -= 24; }
+ while ( h < 0 ) { h += 24; }
+
+ QString str = QString().sprintf( "%02d:%02d", h, m );
+ if ( px > 0 && px < pW ) {
+ QRect r( px - BIGTICKSIZE, -2*BIGTICKSIZE, 2*BIGTICKSIZE, BIGTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+ case ANGLE :
+ {
+ QString str = QString().sprintf( "%d%c", int(lab), 176 );
+ if ( px > 0 && px < pW ) {
+ QRect r( px - BIGTICKSIZE, -2*BIGTICKSIZE, 2*BIGTICKSIZE, BIGTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+
+ case UNKNOWN_TYPE : break;
+ }
+ }
+
+ //draw minor ticks
+ for ( int j=0; j < nminX2; j++ ) {
+ int pmin = int( px + pW*j*dminX2/dataWidth2() ); //position of minor tickmark j (in screen units)
+ if ( pmin > 0 && pmin < pW ) p->drawLine( pmin, 0, pmin, SMALLTICKSIZE );
+ }
+ }
+ } //end if ( secondaryXLimits )
+
+ //--- Draw secondary Y tickmarks on right axis ---//
+ if ( secondaryYLimits ) {
+ double dminY2 = dYtick2/nminY2;
+ double y0 = yScale()*(yb() - dmod( yb(), dYtick2 )); //zeropoint; tickmark i is this plus i*mX (in data units)
+
+ for ( int iy = 0; iy <= nmajY2; iy++ ) {
+ int py = pH - int( pH * ( (y0 + iy*dYtick2 - yb())/dataWidth2() ) ); //position of tickmark i (in screen units)
+ if ( py > 0 && py < pH ) p->drawLine( pH, py, pW-BIGTICKSIZE, py );
+
+ //tick label
+ if ( ShowTickLabels ) {
+ double lab = y0 + iy*dYtick2;
+ if ( fabs(lab)/dYtick2 < 0.00001 ) lab = 0.0; //fix occassional roundoff error with "0.0" label
+
+ switch ( yAxisType() ) {
+ case DOUBLE :
+ {
+ QString str = QString( "%1" ).arg( lab, 0, 'g', 2 );
+ int idot = str.find( '.' );
+ if ( idot >= 0 )
+ str = str.replace( idot, 1, KGlobal::locale()->decimalSymbol() );
+
+ if ( py > 0 && py < pH ) {
+ QRect r( pW + 2*BIGTICKSIZE, py-SMALLTICKSIZE, 2*BIGTICKSIZE, 2*SMALLTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+ case TIME :
+ {
+ int h = int(lab);
+ int m = int(60.*(lab - h));
+ while ( h > 24 ) { h -= 24; }
+ while ( h < 0 ) { h += 24; }
+
+ QString str = QString().sprintf( "%02d:%02d", h, m );
+ if ( py > 0 && py < pH ) {
+ QRect r( pW + 2*BIGTICKSIZE, py-SMALLTICKSIZE, 2*BIGTICKSIZE, 2*SMALLTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+ case ANGLE :
+ {
+ QString str = QString().sprintf( "%d%c", int(lab), 176 );
+ if ( py > 0 && py < pH ) {
+ QRect r( pW + 3*BIGTICKSIZE, py-SMALLTICKSIZE, 2*BIGTICKSIZE, 2*SMALLTICKSIZE );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, str );
+ }
+ break;
+ }
+
+ case UNKNOWN_TYPE : break;
+ }
+ }
+
+ //minor ticks
+ for ( int j=0; j < nminY2; j++ ) {
+ int pmin = py - int( pH*j*dminY2/dataHeight2() ); //position of minor tickmark j (in screen units)
+ if ( pmin > 0 && pmin < pH ) p->drawLine( pW, pmin, pW-SMALLTICKSIZE, pmin );
+ }
+ }
+ } //end if ( secondaryYLimits )
+
+ f.setPointSize( s );
+ p->setFont( f );
+
+ } //end if ( showTickmarks )
+
+ //Draw X Axis Label(s)
+ if ( ! BottomAxis.label().isEmpty() ) {
+ QRect r( 0, PixRect.height() + 2*YPADDING, PixRect.width(), YPADDING );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, BottomAxis.label() );
+ }
+ if ( ! XAxisLabel2.isEmpty() ) {
+ QRect r( 0, -3*YPADDING, PixRect.width(), YPADDING );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, XAxisLabel2 );
+ }
+
+ //Draw Y Axis Label(s). We need to draw the text sideways.
+ if ( ! LeftAxis.label().isEmpty() ) {
+ //store current painter translation/rotation state
+ p->save();
+
+ //translate coord sys to left corner of axis label rectangle, then rotate 90 degrees.
+ p->translate( -3*XPADDING, PixRect.height() );
+ p->rotate( -90.0 );
+
+ QRect r( 0, 0, PixRect.height(), XPADDING );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, LeftAxis.label() ); //draw the label, now that we are sideways
+
+ p->restore(); //restore translation/rotation state
+ }
+ if ( ! YAxisLabel2.isEmpty() ) {
+ //store current painter translation/rotation state
+ p->save();
+
+ //translate coord sys to left corner of axis label rectangle, then rotate 90 degrees.
+ p->translate( PixRect.width() + 2*XPADDING, PixRect.height() );
+ p->rotate( -90.0 );
+
+ QRect r( 0, 0, PixRect.height(), XPADDING );
+ p->drawText( r, Qt::AlignCenter | Qt::DontClip, YAxisLabel2 ); //draw the label, now that we are sideways
+
+ p->restore(); //restore translation/rotation state
+ }
+}
+
+int KStarsPlotWidget::rightPadding() const {
+ if ( RightPadding >= 0 ) return RightPadding;
+
+ bool secondaryYLimits( false );
+ if ( dataHeight2() > 0.0 && ( yb() != y() || yb2() != y2() ) ) secondaryYLimits = true;
+ if ( secondaryYLimits && ( ShowTickLabels && ! XAxisLabel2 ) ) return 3*XPADDING;
+ if ( secondaryYLimits && ( ShowTickLabels || ! XAxisLabel2 ) ) return 2*XPADDING;
+ return XPADDING;
+}
+
+int KStarsPlotWidget::topPadding() const {
+ if ( TopPadding >= 0 ) return TopPadding;
+
+ bool secondaryXLimits( false );
+ if ( dataWidth2() > 0.0 && ( xb() != x() || xb2() != x2() ) ) secondaryXLimits = true;
+ if ( secondaryXLimits && ( ShowTickLabels && ! YAxisLabel2 ) ) return 3*YPADDING;
+ if ( secondaryXLimits && ( ShowTickLabels || ! YAxisLabel2 ) ) return 2*YPADDING;
+ return YPADDING;
+}
+
+#include "kstarsplotwidget.moc"
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-24 19:02:21 +0000