Java Code Examples for org.eclipse.swt.graphics.Path#addArc()
The following examples show how to use
org.eclipse.swt.graphics.Path#addArc() .
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Example 1
| Source File: SearchControl.java From tesb-studio-se with Apache License 2.0 | 6 votes |
|
@Override
public void paintControl(PaintEvent e) {
GC gc = e.gc;
gc.setAntialias(SWT.ON);
Rectangle bounds = getBounds();
Path path = new Path(getDisplay());
path.addArc(bounds.x, bounds.y, arcSize, arcSize, 90, 180);
// path.addRectangle(bounds.x + arcSize / 2, bounds.y, bounds.width - arcSize,
// arcSize);
path.addArc(bounds.x + bounds.width - arcSize, bounds.y, arcSize, arcSize,
270, 180);
// gc.setClipping(path);
Color b = gc.getBackground();
gc.setBackground(backgroundColor);
gc.fillPath(path);
path.dispose();
gc.setAntialias(SWT.OFF);
gc.setBackground(b);
}
Example 2
| Source File: ExitFigure.java From statecharts with Eclipse Public License 1.0 | 5 votes |
|
@Override
public void paint(Graphics graphics) {
graphics.pushState();
graphics.setForegroundColor(getForegroundColor());
graphics.setBackgroundColor(getBackgroundColor());
super.paint(graphics);
Path path = new Path(Display.getDefault());
path.addArc(getBounds().x, getBounds().y, getBounds().width - 1, getBounds().height - 1, 0, 360);
graphics.setClip(path);
graphics.setLineWidth(2);
graphics.drawLine(bounds.getTopLeft(), bounds.getBottomRight());
graphics.drawLine(bounds.getTopRight(), bounds.getBottomLeft());
path.dispose();
graphics.popState();
}
Example 3
| Source File: ProgressCircle.java From nebula with Eclipse Public License 2.0 | 4 votes |
|
private void paintControl(final PaintEvent e) {
firstDisplay = false;
final GC gc = e.gc;
gc.setAdvanced(true);
gc.setAntialias(SWT.ON);
// Draw the selected part
final Path pathHighlight = new Path(getDisplay());
float ratio = 1.0f * value / (maximum - minimum);
if (minimum < 0 && maximum < 0) {
ratio = -1.0f * (minimum - value) / (maximum - minimum);
}
float angle = ratio * 360f;
if (minimum < 0 && maximum > 0) {
angle += 180;
}
pathHighlight.addArc(MARGIN, MARGIN, circleSize, circleSize, 90, -angle);
pathHighlight.lineTo((MARGIN + circleSize) / 2, (MARGIN + circleSize) / 2);
pathHighlight.close();
gc.setBackground(getHighlightColor());
gc.fillPath(pathHighlight);
pathHighlight.dispose();
// Draw the unselected part
final Path path = new Path(getDisplay());
final float unselectedAngle = 360f - angle;
path.addArc(MARGIN, MARGIN, circleSize, circleSize, 90 - angle, -unselectedAngle);
path.lineTo((MARGIN + circleSize) / 2, (MARGIN + circleSize) / 2);
path.close();
gc.setBackground(getForeground());
gc.fillPath(path);
pathHighlight.dispose();
// Draw the hole
gc.setBackground(getBackground());
gc.fillOval(MARGIN + thickness, MARGIN + thickness, circleSize - thickness * 2, circleSize - thickness * 2);
if (showText) {
gc.setForeground(getHighlightColor());
final String text;
if (isTimer) {
final LocalTime time = LocalTime.ofSecondOfDay(value);
if (time.getHour() == 0) {
if (time.getMinute() == 0) {
// Seconds only
text = String.format("%02d", time.getSecond());
} else {
// Minutes+secondes
text = String.format("%02d:%02d", time.getMinute(), time.getSecond());
}
} else {
// Hour/Min/sec
text = String.format("%02d:%02d:%02d", time.getHour(), time.getMinute(), time.getSecond());
}
} else {
text = String.format(textPattern, value);
}
final Point textSize = gc.stringExtent(text);
final int x = MARGIN + (circleSize - textSize.x) / 2;
final int y = (circleSize - textSize.y) / 2;
gc.drawText(text, x, y, true);
}
}
Example 4
| Source File: SwtRendererImpl.java From birt with Eclipse Public License 1.0 | 4 votes |
|
public void drawArea( AreaRenderEvent are ) throws ChartException
{
iv.modifyEvent( are );
// CHECK IF THE LINE ATTRIBUTES ARE CORRECTLY DEFINED
final LineAttributes lia = are.getOutline( );
if ( !validateLineAttributes( are.getSource( ), lia ) )
{
return;
}
// SETUP THE FOREGROUND COLOR (DARKER BACKGROUND IF DEFINED AS NULL)
final Color cFG = (Color) validateEdgeColor( lia.getColor( ),
are.getBackground( ),
_ids );
if ( cFG == null ) // IF UNDEFINED, EXIT
{
return;
}
// BUILD THE GENERAL PATH STRUCTURE
final Path gp = new Path( ( (SwtDisplayServer) _ids ).getDevice( ) );
PrimitiveRenderEvent pre;
for ( int i = 0; i < are.getElementCount( ); i++ )
{
pre = are.getElement( i );
if ( pre instanceof ArcRenderEvent )
{
final ArcRenderEvent acre = (ArcRenderEvent) pre;
gp.addArc( (float) acre.getTopLeft( ).getX( ),
(float) acre.getTopLeft( ).getY( ),
(float) acre.getWidth( ),
(float) acre.getHeight( ),
(float) acre.getStartAngle( ),
(float) acre.getAngleExtent( ) );
}
else if ( pre instanceof LineRenderEvent )
{
final LineRenderEvent lre = (LineRenderEvent) pre;
gp.moveTo( (float) lre.getStart( ).getX( ),
(float) lre.getStart( ).getY( ) );
gp.lineTo( (float) lre.getEnd( ).getX( ), (float) lre.getEnd( )
.getY( ) );
}
}
// DRAW THE PATH
final int iOldLineStyle = _gc.getLineStyle( );
final int iOldLineWidth = _gc.getLineWidth( );
int iLineStyle = SWT.LINE_SOLID;
switch ( lia.getStyle( ).getValue( ) )
{
case ( LineStyle.DOTTED ) :
iLineStyle = SWT.LINE_DOT;
break;
case ( LineStyle.DASH_DOTTED ) :
iLineStyle = SWT.LINE_DASHDOT;
break;
case ( LineStyle.DASHED ) :
iLineStyle = SWT.LINE_DASH;
break;
}
_gc.setLineStyle( iLineStyle );
_gc.setLineWidth( lia.getThickness( ) );
_gc.setForeground( cFG );
R31Enhance.setAlpha( _gc, lia.getColor( ) );
_gc.drawPath( gp );
// Restore state
_gc.setLineStyle( iOldLineStyle );
_gc.setLineWidth( iOldLineWidth );
// Free resource
gp.dispose( );
cFG.dispose( );
}
Example 5
| Source File: SwtRendererImpl.java From birt with Eclipse Public License 1.0 | 4 votes |
|
public void fillArea( AreaRenderEvent are ) throws ChartException
{
iv.modifyEvent( are );
Fill flBackground = validateMultipleFill( are.getBackground( ) );
if ( isFullTransparent( flBackground ) )
{
return;
}
// BUILD THE GENERAL PATH STRUCTURE
final Path pt = new Path( ( (SwtDisplayServer) _ids ).getDevice( ) );
PrimitiveRenderEvent pre;
for ( int i = 0; i < are.getElementCount( ); i++ )
{
pre = are.getElement( i );
if ( pre instanceof ArcRenderEvent )
{
final ArcRenderEvent acre = (ArcRenderEvent) pre;
pt.addArc( (float) acre.getTopLeft( ).getX( ),
(float) acre.getTopLeft( ).getY( ),
(float) acre.getWidth( ),
(float) acre.getHeight( ),
(float) acre.getStartAngle( ),
(float) acre.getAngleExtent( ) );
}
else if ( pre instanceof LineRenderEvent )
{
final LineRenderEvent lre = (LineRenderEvent) pre;
if ( i == 0 )
{
pt.moveTo( (float) lre.getStart( ).getX( ),
(float) lre.getStart( ).getY( ) );
}
pt.lineTo( (float) lre.getEnd( ).getX( ), (float) lre.getEnd( )
.getY( ) );
}
}
try
{
if ( flBackground instanceof ColorDefinition )
{
fillPathColor( pt, (ColorDefinition) flBackground );
}
else if ( flBackground instanceof Gradient )
{
final Bounds bo = are.getBounds( );
final Rectangle r = new Rectangle( (int) ( ( bo.getLeft( ) + dTranslateX ) * dScale ),
(int) ( ( bo.getTop( ) + dTranslateY ) * dScale ),
(int) ( bo.getWidth( ) * dScale ),
(int) ( bo.getHeight( ) * dScale ) );
fillPathGradient( pt, (Gradient) flBackground, r );
}
else if ( flBackground instanceof org.eclipse.birt.chart.model.attribute.Image )
{
fillPathImage( pt,
(org.eclipse.birt.chart.model.attribute.Image) flBackground );
}
}
finally
{
pt.dispose( );
}
}
Example 6
| Source File: SwtRendererImpl.java From birt with Eclipse Public License 1.0 | 4 votes |
|
public void fillOval( OvalRenderEvent ore ) throws ChartException
{
iv.modifyEvent( ore );
final Fill flBackground = validateMultipleFill( ore.getBackground( ) );
if ( isFullTransparent( flBackground ) )
{
return;
}
final Bounds bo = ore.getBounds( );
final Rectangle r = new Rectangle( (int) ( ( bo.getLeft( ) + dTranslateX ) * dScale ),
(int) ( ( bo.getTop( ) + dTranslateY ) * dScale ),
(int) ( bo.getWidth( ) * dScale ),
(int) ( bo.getHeight( ) * dScale ) );
Path pt = new Path( ( (SwtDisplayServer) _ids ).getDevice( ) );
pt.addArc( r.x, r.y, r.width, r.height, 0, 360 );
try
{
if ( flBackground instanceof ColorDefinition )
{
fillPathColor( pt, (ColorDefinition) flBackground );
}
else if ( flBackground instanceof Gradient )
{
fillPathGradient( pt, (Gradient) flBackground, r );
}
else if ( flBackground instanceof org.eclipse.birt.chart.model.attribute.Image )
{
fillPathImage( pt,
(org.eclipse.birt.chart.model.attribute.Image) flBackground );
}
}
finally
{
pt.dispose( );
}
}
Example 7
| Source File: PieUtils.java From BiglyBT with GNU General Public License v2.0 | 2 votes |
|
public static void
drawPie(
GC gc,Image image, int x, int y,int width,int height,int percent, boolean draw_border )
{
Rectangle image_size = image.getBounds();
int width_pad = ( width - image_size.width )/2;
int height_pad = ( height - image_size.height )/2;
int angle = (percent * 360) / 100;
if(angle<4){
angle = 0; // workaround fillArc rendering bug
}
Region old_clipping = new Region();
gc.getClipping(old_clipping);
Path path_done = new Path(gc.getDevice());
path_done.addArc(x,y,width,height,90,-angle);
path_done.lineTo( x+width/2, y+height/2);
path_done.close();
gc.setClipping( path_done );
gc.drawImage(image, x+width_pad, y+height_pad+1);
Path path_undone = new Path(gc.getDevice());
path_undone.addArc(x,y,width,height,90-angle,angle-360);
path_undone.lineTo( x+width/2, y+height/2);
path_undone.close();
gc.setClipping( path_undone );
gc.setAlpha( 75 );
gc.drawImage(image, x+width_pad, y+height_pad+1);
gc.setAlpha( 255 );
gc.setClipping( old_clipping );
if ( draw_border ){
gc.setForeground(Colors.blue);
if ( percent == 100 ){
gc.drawOval(x , y , width-1, height-1);
}else{
if ( angle > 0 ){
gc.drawPath( path_done );
}
}
}
path_done.dispose();
path_undone.dispose();
old_clipping.dispose();
}
