Java Code Examples for javafx.scene.canvas.GraphicsContext#clearRect()
The following examples show how to use
javafx.scene.canvas.GraphicsContext#clearRect() .
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Example 1
| Source File: AmpSkin.java From Medusa with Apache License 2.0 | 6 votes |
|
private void drawLed(final GraphicsContext CTX) {
CTX.clearRect(0, 0, ledSize, ledSize);
CTX.setFill(frameGradient);
CTX.fillOval(0, 0, ledSize, ledSize);
CTX.save();
if (gauge.isLedOn()) {
CTX.setEffect(ledOnShadow);
CTX.setFill(ledOnGradient);
} else {
CTX.setEffect(ledOffShadow);
CTX.setFill(ledOffGradient);
}
CTX.fillOval(0.14 * ledSize, 0.14 * ledSize, 0.72 * ledSize, 0.72 * ledSize);
CTX.restore();
CTX.setFill(highlightGradient);
CTX.fillOval(0.21 * ledSize, 0.21 * ledSize, 0.58 * ledSize, 0.58 * ledSize);
}
Example 2
| Source File: CustomPlainAmpSkin.java From medusademo with Apache License 2.0 | 6 votes |
|
private void drawLed(final GraphicsContext CTX) {
CTX.clearRect(0, 0, ledSize, ledSize);
CTX.setFill(frameGradient);
CTX.fillOval(0, 0, ledSize, ledSize);
CTX.save();
if (gauge.isLedOn()) {
CTX.setEffect(ledOnShadow);
CTX.setFill(ledOnGradient);
} else {
CTX.setEffect(ledOffShadow);
CTX.setFill(ledOffGradient);
}
CTX.fillOval(0.14 * ledSize, 0.14 * ledSize, 0.72 * ledSize, 0.72 * ledSize);
CTX.restore();
CTX.setFill(highlightGradient);
CTX.fillOval(0.21 * ledSize, 0.21 * ledSize, 0.58 * ledSize, 0.58 * ledSize);
}
Example 3
| Source File: ChartCanvas.java From jfreechart-fx with GNU Lesser General Public License v2.1 | 6 votes |
|
/**
* Draws the content of the canvas and updates the
* {@code renderingInfo} attribute with the latest rendering
* information.
*/
public final void draw() {
GraphicsContext ctx = getGraphicsContext2D();
ctx.save();
double width = getWidth();
double height = getHeight();
if (width > 0 && height > 0) {
ctx.clearRect(0, 0, width, height);
this.info = new ChartRenderingInfo();
if (this.chart != null) {
this.chart.draw(this.g2, new Rectangle((int) width,
(int) height), this.anchor, this.info);
}
}
ctx.restore();
for (OverlayFX overlay : this.overlays) {
overlay.paintOverlay(g2, this);
}
this.anchor = null;
}
Example 4
| Source File: DemoHelper.java From phoebus with Eclipse Public License 1.0 | 6 votes |
|
public static void refresh(final Canvas canvas)
{
final GraphicsContext gc = canvas.getGraphicsContext2D();
final Bounds bounds = canvas.getBoundsInLocal();
final double width = bounds.getWidth();
final double height = bounds.getHeight();
gc.clearRect(0, 0, width, height);
gc.strokeRect(0, 0, width, height);
for (int i=0; i<ITEMS; ++i)
{
gc.setFill(Color.hsb(Math.random()*360.0,
Math.random(),
Math.random()));
final double size = 5 + Math.random() * 40;
final double x = Math.random() * (width-size);
final double y = Math.random() * (height-size);
gc.fillOval(x, y, size, size);
}
}
Example 5
| Source File: TaChartCanvas.java From TAcharting with GNU Lesser General Public License v2.1 | 6 votes |
|
/**
* Draws the content colorOf the canvas and updates the
* {@code renderingInfo} attribute with the latest rendering
* information.
*/
public final void draw() {
GraphicsContext ctx = getGraphicsContext2D();
ctx.save();
double width = getWidth();
double height = getHeight();
if (width > 0 && height > 0) {
ctx.clearRect(0, 0, width, height);
this.info = new ChartRenderingInfo();
if (this.chart != null) {
this.chart.draw(this.g2, new Rectangle((int) width,
(int) height), this.anchor, this.info);
}
}
ctx.restore();
for (TaOverlayFX overlay : this.overlays) {
overlay.paintOverlay(g2, this);
}
this.anchor = null;
}
Example 6
| Source File: DefaultControlTreeItemGraphic.java From arma-dialog-creator with MIT License | 6 votes |
|
private void fillBox(Color color) {
GraphicsContext gc = box.getGraphicsContext2D();
gc.save();
gc.clearRect(0, 0, box.getWidth(), box.getHeight());
gc.setFill(color);
gc.fillRect(0, 0, box.getWidth(), box.getHeight());
gc.restore();
//generate hex string and bind it to tooltip
final double f = 255.0;
int r = (int) (color.getRed() * f);
int g = (int) (color.getGreen() * f);
int b = (int) (color.getBlue() * f);
String opacity = DecimalFormat.getNumberInstance().format(color.getOpacity() * 100);
Tooltip.install(box, new Tooltip(String.format(
"red:%d, green:%d, blue:%d, opacity:%s%%", r, g, b, opacity))
);
}
Example 7
| Source File: ChartCanvas.java From ccu-historian with GNU General Public License v3.0 | 5 votes |
|
/**
* Draws the content of the canvas and updates the
* {@code renderingInfo} attribute with the latest rendering
* information.
*/
public final void draw() {
GraphicsContext ctx = getGraphicsContext2D();
ctx.save();
double width = getWidth();
double height = getHeight();
if (width > 0 && height > 0) {
ctx.clearRect(0, 0, width, height);
this.info = new ChartRenderingInfo();
this.chart.draw(this.g2, new Rectangle((int) width, (int) height),
this.anchor, this.info);
}
ctx.restore();
this.anchor = null;
}
Example 8
| Source File: ChartCanvas.java From ECG-Viewer with GNU General Public License v2.0 | 5 votes |
|
/**
* Draws the content of the canvas and updates the
* {@code renderingInfo} attribute with the latest rendering
* information.
*/
public final void draw() {
GraphicsContext ctx = getGraphicsContext2D();
ctx.save();
double width = getWidth();
double height = getHeight();
if (width > 0 && height > 0) {
ctx.clearRect(0, 0, width, height);
this.info = new ChartRenderingInfo();
this.chart.draw(this.g2, new Rectangle((int) width, (int) height),
this.anchor, this.info);
}
ctx.restore();
this.anchor = null;
}
Example 9
| Source File: ChartCanvas.java From SIMVA-SoS with Apache License 2.0 | 5 votes |
|
/**
* Draws the content of the canvas and updates the
* {@code renderingInfo} attribute with the latest rendering
* information.
*/
public final void draw() {
GraphicsContext ctx = getGraphicsContext2D();
ctx.save();
double width = getWidth();
double height = getHeight();
if (width > 0 && height > 0) {
ctx.clearRect(0, 0, width, height);
this.info = new ChartRenderingInfo();
this.chart.draw(this.g2, new Rectangle((int) width, (int) height),
this.anchor, this.info);
}
ctx.restore();
this.anchor = null;
}
Example 10
| Source File: MoleculeViewSkin.java From openchemlib-js with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
private void drawBackground(GraphicsContext ctx, double w, double h)
{
ctx.save();
ctx.clearRect(0, 0, w, h);
if (!control.isTransparent()) {
ctx.setFill(getBackgroundColor());
ctx.fillRect(0, 0, w, h);
} else {
// System.out.println("Controle is Transparent");
}
ctx.restore();
}
Example 11
| Source File: BulletChartSkin.java From Medusa with Apache License 2.0 | 5 votes |
|
private void drawSections(final GraphicsContext CTX) {
sectionsCanvas.setCache(false);
CTX.clearRect(0, 0, sectionsCanvas.getWidth(), sectionsCanvas.getHeight());
CTX.setFill(gauge.getBackgroundPaint());
if (Orientation.VERTICAL == orientation) {
CTX.fillRect(0, 0, 0.5 * width, 0.9 * height);
} else {
CTX.fillRect(0, 0, 0.79699248 * width, 0.5 * height);
}
double tmpStepSize = stepSize * 1.11111111;
double minValue = gauge.getMinValue();
double maxValue = gauge.getMaxValue();
int listSize = gauge.getSections().size();
for (int i = 0 ; i < listSize ; i++) {
final Section SECTION = gauge.getSections().get(i);
final double SECTION_START;
final double SECTION_SIZE = SECTION.getRange() * tmpStepSize;
if (Double.compare(SECTION.getStart(), maxValue) <= 0 && Double.compare(SECTION.getStop(), minValue) >= 0) {
if (Double.compare(SECTION.getStart(), minValue) < 0 && Double.compare(SECTION.getStop(), maxValue) < 0) {
SECTION_START = minValue * tmpStepSize;
} else {
SECTION_START = height - (SECTION.getStart() * tmpStepSize) - SECTION_SIZE;
}
CTX.save();
CTX.setFill(SECTION.getColor());
if (Orientation.VERTICAL == orientation) {
CTX.fillRect(0.0, SECTION_START, 0.5 * width, SECTION_SIZE);
} else {
CTX.fillRect(SECTION_START, 0.0, SECTION_SIZE, 0.5 * height);
}
CTX.restore();
}
}
sectionsCanvas.setCache(true);
sectionsCanvas.setCacheHint(CacheHint.QUALITY);
}
Example 12
| Source File: TagBoard.java From OpenLabeler with Apache License 2.0 | 5 votes |
|
private void clearLastDrawing(GraphicsContext gc, List<Point2D> points, Point2D lastPt) {
List<Point2D> clearPts = new ArrayList<>();
clearPts.addAll(points);
if (lastPt != null) {
clearPts.add(lastPt);
}
var bounds = AppUtils.getBounds(clearPts.toArray(new Point2D[] {}));
bounds = AppUtils.insetBounds(bounds, -10d);
gc.clearRect(bounds.getMinX(), bounds.getMinY(), bounds.getWidth(), bounds.getHeight());
}
Example 13
| Source File: OverlayPane.java From paintera with GNU General Public License v2.0 | 5 votes |
|
public void drawOverlays()
{
final Runnable r = () -> {
final Canvas canvas = canvasPane.getCanvas();
final GraphicsContext gc = canvas.getGraphicsContext2D();
gc.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
overlayRenderers.forEach(or -> or.drawOverlays(gc));
};
InvokeOnJavaFXApplicationThread.invoke(r);
}
Example 14
| Source File: ChartCanvas.java From buffer_bci with GNU General Public License v3.0 | 5 votes |
|
/**
* Draws the content of the canvas and updates the
* {@code renderingInfo} attribute with the latest rendering
* information.
*/
public final void draw() {
GraphicsContext ctx = getGraphicsContext2D();
ctx.save();
double width = getWidth();
double height = getHeight();
if (width > 0 && height > 0) {
ctx.clearRect(0, 0, width, height);
this.info = new ChartRenderingInfo();
this.chart.draw(this.g2, new Rectangle((int) width, (int) height),
this.anchor, this.info);
}
ctx.restore();
this.anchor = null;
}
Example 15
| Source File: GridDrawer.java From chart-fx with Apache License 2.0 | 5 votes |
|
public void draw(final Canvas canvas) {
// registerCanvasMouseLiner(canvas); // TODO move elsewhere
final GraphicsContext gc = canvas.getGraphicsContext2D();
gc.clearRect(0, 0, gc.getCanvas().getWidth(), gc.getCanvas().getHeight());
for (final Hexagon hexagon : map.getAllHexagons()) {
// draw hexagon according to Node specifications
hexagon.draw(gc);
if (map.renderCoordinates) {
hexagon.renderCoordinates(gc);
}
}
}
Example 16
| Source File: ChartCanvas.java From openstock with GNU General Public License v3.0 | 5 votes |
|
/**
* Draws the content of the canvas and updates the
* {@code renderingInfo} attribute with the latest rendering
* information.
*/
public final void draw() {
GraphicsContext ctx = getGraphicsContext2D();
ctx.save();
double width = getWidth();
double height = getHeight();
if (width > 0 && height > 0) {
ctx.clearRect(0, 0, width, height);
this.info = new ChartRenderingInfo();
this.chart.draw(this.g2, new Rectangle((int) width, (int) height),
this.anchor, this.info);
}
ctx.restore();
this.anchor = null;
}
Example 17
| Source File: BulletChartSkin.java From Medusa with Apache License 2.0 | 4 votes |
|
private void drawTickMarks(final GraphicsContext CTX) {
tickMarkCanvas.setCache(false);
CTX.clearRect(0, 0, tickMarkCanvas.getWidth(), tickMarkCanvas.getHeight());
CTX.setFill(gauge.getMajorTickMarkColor());
List<Section> tickMarkSections = gauge.getTickMarkSections();
List<Section> tickLabelSections = gauge.getTickLabelSections();
Color majorTickMarkColor = gauge.getTickMarkColor();
Color tickLabelColor = gauge.getTickLabelColor();
boolean smallRange = Double.compare(gauge.getRange(), 10.0) <= 0;
double minValue = gauge.getMinValue();
double maxValue = gauge.getMaxValue();
double tmpStepSize = smallRange ? stepSize / 10 : stepSize;
Font tickLabelFont = Fonts.robotoRegular(0.1 * size);
boolean tickMarkSectionsVisible = gauge.getTickMarkSectionsVisible();
boolean tickLabelSectionsVisible = gauge.getTickLabelSectionsVisible();
double offsetX = 0.18345865 * width;
double offsetY = 0.1 * height;
double innerPointX = 0;
double innerPointY = 0;
double outerPointX = 0.07 * width;
double outerPointY = 0.08 * height;
double textPointX = Orientation.HORIZONTAL == orientation ? 0.55 * tickMarkCanvas.getWidth() : outerPointX + size * 0.05;
double textPointY = 0.7 * tickMarkCanvas.getHeight();
BigDecimal minorTickSpaceBD = BigDecimal.valueOf(gauge.getMinorTickSpace());
BigDecimal majorTickSpaceBD = BigDecimal.valueOf(gauge.getMajorTickSpace());
BigDecimal counterBD = BigDecimal.valueOf(gauge.getMinValue());
double counter = minValue;
double range = gauge.getRange();
for (double i = 0 ; Double.compare(i, range) <= 0 ; i++) {
if (Orientation.VERTICAL == orientation) {
innerPointY = counter * tmpStepSize + offsetY;
outerPointY = innerPointY;
textPointY = innerPointY;
} else {
innerPointX = counter * tmpStepSize + offsetX;
outerPointX = innerPointX;
textPointX = innerPointX;
}
// Set the general tickmark color
CTX.setStroke(gauge.getTickMarkColor());
if (Double.compare(counterBD.remainder(majorTickSpaceBD).doubleValue(), 0.0) == 0) {
// Draw major tick mark
if (gauge.getMajorTickMarksVisible()) {
CTX.setFill(tickMarkSectionsVisible ? Helper.getColorOfSection(tickMarkSections, counter, majorTickMarkColor) : majorTickMarkColor);
CTX.setStroke(tickMarkSectionsVisible ? Helper.getColorOfSection(tickMarkSections, counter, majorTickMarkColor) : majorTickMarkColor);
CTX.setLineWidth(1);
CTX.strokeLine(innerPointX, innerPointY, outerPointX, outerPointY);
}
// Draw tick label text
if (gauge.getTickLabelsVisible()) {
CTX.save();
CTX.translate(textPointX, textPointY);
CTX.setFont(tickLabelFont);
CTX.setTextAlign(Orientation.HORIZONTAL == orientation ? TextAlignment.CENTER : TextAlignment.LEFT);
CTX.setTextBaseline(VPos.CENTER);
CTX.setFill(tickLabelSectionsVisible ? Helper.getColorOfSection(tickLabelSections, counter, tickLabelColor) : tickLabelColor);
if (Orientation.VERTICAL == orientation) {
CTX.fillText(Integer.toString((int) (maxValue - counter)), 0, 0);
} else {
CTX.fillText(Integer.toString((int) counter), 0, 0);
}
CTX.restore();
}
}
counterBD = counterBD.add(minorTickSpaceBD);
counter = counterBD.doubleValue();
if (counter > maxValue) break;
}
tickMarkCanvas.setCache(true);
tickMarkCanvas.setCacheHint(CacheHint.QUALITY);
}
Example 18
| Source File: AbstractAxis.java From chart-fx with Apache License 2.0 | 4 votes |
|
protected void clearAxisCanvas(final GraphicsContext gc, final double width, final double height) {
gc.clearRect(0, 0, width, height);
}
Example 19
| Source File: XYChart.java From chart-fx with Apache License 2.0 | 4 votes |
|
@Override
protected void redrawCanvas() {
if (DEBUG && LOGGER.isDebugEnabled()) {
LOGGER.debug(" xychart redrawCanvas() - pre");
}
setAutoNotification(false);
FXUtils.assertJavaFxThread();
final long now = System.nanoTime();
final double diffMillisSinceLastUpdate = TimeUnit.NANOSECONDS.toMillis(now - lastCanvasUpdate);
if (diffMillisSinceLastUpdate < XYChart.BURST_LIMIT_MS) {
if (!callCanvasUpdateLater) {
callCanvasUpdateLater = true;
// repaint 20 ms later in case this was just a burst operation
final KeyFrame kf1 = new KeyFrame(Duration.millis(20), e -> requestLayout());
final Timeline timeline = new Timeline(kf1);
Platform.runLater(timeline::play);
}
return;
}
if (DEBUG && LOGGER.isDebugEnabled()) {
LOGGER.debug(" xychart redrawCanvas() - executing");
LOGGER.debug(" xychart redrawCanvas() - canvas size = {}",
String.format("%fx%f", canvas.getWidth(), canvas.getHeight()));
}
lastCanvasUpdate = now;
callCanvasUpdateLater = false;
final GraphicsContext gc = canvas.getGraphicsContext2D();
gc.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
if (!gridRenderer.isDrawOnTop()) {
gridRenderer.render(gc, this, 0, null);
}
int dataSetOffset = 0;
for (final Renderer renderer : getRenderers()) {
// check for and add required axes
checkRendererForRequiredAxes(renderer);
renderer.render(gc, this, dataSetOffset, getDatasets());
dataSetOffset += getDatasets().size() + renderer.getDatasets().size();
}
if (gridRenderer.isDrawOnTop()) {
gridRenderer.render(gc, this, 0, null);
}
setAutoNotification(true);
if (DEBUG && LOGGER.isDebugEnabled()) {
LOGGER.debug(" xychart redrawCanvas() - done");
}
}
Example 20
| Source File: Example3T.java From Introduction-to-JavaFX-for-Game-Development with BSD 2-Clause "Simplified" License | 4 votes |
|
@Override
public void start(Stage theStage)
{
theStage.setTitle( "Timeline Example" );
Group root = new Group();
Scene theScene = new Scene( root );
theStage.setScene( theScene );
Canvas canvas = new Canvas( 512, 512 );
root.getChildren().add( canvas );
GraphicsContext gc = canvas.getGraphicsContext2D();
Image earth = new Image( "earth.png" );
Image sun = new Image( "sun.png" );
Image space = new Image( "space.png" );
Timeline gameLoop = new Timeline();
gameLoop.setCycleCount( Timeline.INDEFINITE );
final long timeStart = System.currentTimeMillis();
KeyFrame kf = new KeyFrame(
Duration.seconds(0.017), // 60 FPS
new EventHandler<ActionEvent>()
{
public void handle(ActionEvent ae)
{
double t = (System.currentTimeMillis() - timeStart) / 1000.0;
double x = 232 + 128 * Math.cos(t);
double y = 232 + 128 * Math.sin(t);
// Clear the canvas
gc.clearRect(0, 0, 512,512);
// background image clears canvas
gc.drawImage( space, 0, 0 );
gc.drawImage( earth, x, y );
gc.drawImage( sun, 196, 196 );
}
});
gameLoop.getKeyFrames().add( kf );
gameLoop.play();
theStage.show();
}
