Java Code Examples for javafx.scene.canvas.GraphicsContext#strokeOval()

The following examples show how to use javafx.scene.canvas.GraphicsContext#strokeOval() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: WriteFxImageBenchmark.java From chart-fx with Apache License 2.0

6 votes

public static void initalizeImage() {
    noisePixels = ByteBuffer.allocate(w * h * 4);
    noiseBuffer = new PixelBuffer<>(w, h, noisePixels, PixelFormat.getByteBgraPreInstance());
    testimage = new WritableImage(noiseBuffer);
    final Canvas noiseCanvas = new Canvas(w, h);
    final GraphicsContext noiseContext = noiseCanvas.getGraphicsContext2D();
    final byte[] randomArray = new byte[w * h * 4];
    new Random().nextBytes(randomArray);
    noiseContext.getPixelWriter().setPixels(0, 0, w, h, PixelFormat.getByteBgraInstance(), randomArray, 0, w);
    noiseCanvas.snapshot(null, testimage);

    final Canvas easyCanvas = new Canvas(w2, h2);
    final GraphicsContext easyContext = easyCanvas.getGraphicsContext2D();
    easyContext.setStroke(Color.BLUE);
    easyContext.strokeOval(20, 30, 40, 50);
    easyContext.setStroke(Color.RED);
    easyContext.strokeOval(30, 40, 50, 60);
    easyContext.setStroke(Color.GREEN);
    easyContext.strokeOval(40, 50, 60, 70);
    easyContext.setStroke(Color.ORANGE);
    easyContext.strokeRect(0, 0, w2, h2);
    testimage2 = easyCanvas.snapshot(null, null);

    initialized.set(true);
}

Example 2

Source File: SubcircuitPeer.java From CircuitSim with BSD 3-Clause "New" or "Revised" License

6 votes

@Override
public void paint(GraphicsContext graphics, CircuitState circuitState) {
	GuiUtils.drawName(graphics, this, getProperties().getValue(Properties.LABEL_LOCATION));
	
	graphics.setFill(Color.WHITE);
	GuiUtils.drawShape(graphics::fillRect, this);
	graphics.setStroke(Color.BLACK);
	GuiUtils.drawShape(graphics::strokeRect, this);
	
	if(mouseEntered) {
		double width = getScreenWidth();
		double height = getScreenHeight();
		
		graphics.setLineWidth(1.5);
		graphics.strokeOval(getScreenX() + (width - 13) / 2,
		                    getScreenY() + (height - 13) / 2,
		                    13,
		                    13);
		
		graphics.setLineWidth(2.5);
		graphics.strokeLine(getScreenX() + width / 2 + 4.6,
		                    getScreenY() + height / 2 + 4.6,
		                    getScreenX() + width / 2 + 10,
		                    getScreenY() + height / 2 + 10);
	}
}

Example 3

Source File: NotGatePeer.java From CircuitSim with BSD 3-Clause "New" or "Revised" License

6 votes

@Override
public void paintGate(GraphicsContext graphics, CircuitState circuitState) {
	int x = getScreenX();
	int y = getScreenY();
	int width = 3 * GuiUtils.BLOCK_SIZE;
	int height = 2 * GuiUtils.BLOCK_SIZE;
	
	graphics.beginPath();
	graphics.moveTo(x, y);
	graphics.lineTo(x, y + height);
	graphics.lineTo(x + width * 0.7, y + height * 0.5);
	graphics.closePath();
	
	graphics.setFill(Color.WHITE);
	graphics.setStroke(Color.BLACK);
	graphics.fill();
	graphics.stroke();
	
	graphics.fillOval(x + width * 0.7, y + height * 0.5 - width * 0.125, width * 0.25, width * 0.25);
	graphics.strokeOval(x + width * 0.7, y + height * 0.5 - width * 0.125, width * 0.25, width * 0.25);
}

Example 4

Source File: NorGatePeer.java From CircuitSim with BSD 3-Clause "New" or "Revised" License

6 votes

@Override
public void paintGate(GraphicsContext graphics, CircuitState circuitState) {
	int x = getScreenX();
	int y = getScreenY();
	int width = 4 * GuiUtils.BLOCK_SIZE;
	int height = 4 * GuiUtils.BLOCK_SIZE;
	
	graphics.beginPath();
	graphics.moveTo(x, y + height);
	graphics.arc(x, y + height * 0.5, width * 0.25, height * 0.5, 270, 180);
	graphics.arcTo(x + width * 0.66, y, x + width, y + height * 1.3, width * 0.7);
	graphics.arcTo(x + width * 0.66, y + height, x, y + height, width * 0.7);
	graphics.closePath();
	
	graphics.setFill(Color.WHITE);
	graphics.setStroke(Color.BLACK);
	graphics.fill();
	graphics.stroke();
	
	graphics.fillOval(x + width * 0.8, y + height * 0.5 - width * 0.1, width * 0.2, width * 0.2);
	graphics.strokeOval(x + width * 0.8, y + height * 0.5 - width * 0.1, width * 0.2, width * 0.2);
}

Example 5

Source File: NandGatePeer.java From CircuitSim with BSD 3-Clause "New" or "Revised" License

6 votes

@Override
public void paintGate(GraphicsContext graphics, CircuitState circuitState) {
	int x = getScreenX();
	int y = getScreenY();
	int width = 4 * GuiUtils.BLOCK_SIZE;
	int height = 4 * GuiUtils.BLOCK_SIZE;
	
	graphics.beginPath();
	graphics.moveTo(x, y);
	graphics.lineTo(x, y + height);
	graphics.arc(x + width * 0.3, y + height * 0.5, width * 0.5, height * 0.5, 270, 180);
	graphics.closePath();
	
	graphics.setFill(Color.WHITE);
	graphics.setStroke(Color.BLACK);
	graphics.fill();
	graphics.stroke();
	
	graphics.fillOval(x + width * 0.8, y + height * 0.5 - width * 0.1, width * 0.2, width * 0.2);
	graphics.strokeOval(x + width * 0.8, y + height * 0.5 - width * 0.1, width * 0.2, width * 0.2);
}

Example 6

Source File: XnorGatePeer.java From CircuitSim with BSD 3-Clause "New" or "Revised" License

6 votes

@Override
public void paintGate(GraphicsContext graphics, CircuitState circuitState) {
	int x = getScreenX();
	int y = getScreenY();
	int width = 4 * GuiUtils.BLOCK_SIZE;
	int height = 4 * GuiUtils.BLOCK_SIZE;
	
	graphics.beginPath();
	graphics.moveTo(x + width * 0.1, y + height);
	graphics.arc(x + width * 0.1, y + height * 0.5, width * 0.25, height * 0.5, 270, 180);
	graphics.arcTo(x + width * 0.66, y, x + width, y + height * 1.3, width * 0.7);
	graphics.arcTo(x + width * 0.66, y + height, x + width * 0.1, y + height, width * 0.7);
	graphics.closePath();
	
	graphics.setFill(Color.WHITE);
	graphics.setStroke(Color.BLACK);
	graphics.fill();
	graphics.stroke();
	
	graphics.strokeArc(x - width * 0.3, y, width * 0.5, height, 270, 180, ArcType.OPEN);
	
	graphics.fillOval(x + width * 0.8, y + height * 0.5 - width * 0.1, width * 0.2, width * 0.2);
	graphics.strokeOval(x + width * 0.8, y + height * 0.5 - width * 0.1, width * 0.2, width * 0.2);
}

Example 7

Source File: DebugDrawJavaFX.java From jbox2d with BSD 2-Clause "Simplified" License

6 votes

@Override
public void drawCircle(Vec2 center, float radius, Vec2 axis, Color3f color) {
  GraphicsContext g = getGraphics();
  Color s = cpool.getColor(color.x, color.y, color.z, 1f);
  saveState(g);
  double scaling = transformGraphics(g, center) * radius;
  g.setLineWidth(stroke / scaling);
  g.scale(radius, radius);
  g.setStroke(s);
  g.strokeOval(circle.getMinX(), circle.getMinX(), circle.getWidth(), circle.getHeight());
  if (axis != null) {
    g.rotate(MathUtils.atan2(axis.y, axis.x));
    g.strokeLine(0, 0, 1, 0);
  }
  restoreState(g);
}

Example 8

Source File: DebugDrawJavaFX.java From jbox2d with BSD 2-Clause "Simplified" License

6 votes

@Override
public void drawSolidCircle(Vec2 center, float radius, Vec2 axis, Color3f color) {
  GraphicsContext g = getGraphics();
  Color f = cpool.getColor(color.x, color.y, color.z, .4f);
  Color s = cpool.getColor(color.x, color.y, color.z, 1f);
  saveState(g);
  double scaling = transformGraphics(g, center) * radius;
  g.setLineWidth(stroke / scaling);
  g.scale(radius, radius);
  g.setFill(f);
  g.fillOval(circle.getMinX(), circle.getMinX(), circle.getWidth(), circle.getHeight());
  g.setStroke(s);
  g.strokeOval(circle.getMinX(), circle.getMinX(), circle.getWidth(), circle.getHeight());
  if (axis != null) {
    g.rotate(MathUtils.atan2(axis.y, axis.x));
    g.strokeLine(0, 0, 1, 0);
  }
  restoreState(g);
}

Example 9

Source File: WriteFxImageTests.java From chart-fx with Apache License 2.0

5 votes

@Start
public void setUp(@SuppressWarnings("unused") final Stage stage) {
    int w = 200;
    int h = 300;
    // generate test image with simple shapes
    final Canvas originalCanvas = new Canvas(w, h);
    final GraphicsContext originalContext = originalCanvas.getGraphicsContext2D();
    originalContext.setStroke(Color.BLUE);
    originalContext.strokeOval(20, 30, 40, 50);
    originalContext.setStroke(Color.RED);
    originalContext.strokeOval(30, 40, 50, 60);
    originalContext.setStroke(Color.GREEN);
    originalContext.strokeOval(40, 50, 60, 70);
    originalContext.setStroke(Color.ORANGE);
    originalContext.strokeRect(0, 0, w, h);
    imageOvals = originalCanvas.snapshot(null, null);

    //generate test image with noise data (not very compressible)
    final Canvas noiseCanvas = new Canvas(600, 333);
    final GraphicsContext noiseContext = noiseCanvas.getGraphicsContext2D();
    byte[] randomArray = new byte[600 * 333 * 4];
    new Random().nextBytes(randomArray);
    noiseContext.getPixelWriter().setPixels(0, 0, 600, 333, PixelFormat.getByteBgraInstance(), randomArray, 0, 600);
    imageRandom = noiseCanvas.snapshot(null, null);

    // generate test image with minimal dimensions
    final Canvas onexoneCanvas = new Canvas(1, 1);
    final GraphicsContext onexoneContext = onexoneCanvas.getGraphicsContext2D();
    onexoneContext.getPixelWriter().setArgb(0, 0, 0xdeadbeef);
    image1x1 = onexoneCanvas.snapshot(null, null);
}

Example 10

Source File: GatePeer.java From CircuitSim with BSD 3-Clause "New" or "Revised" License

5 votes

@Override
public final void paint(GraphicsContext graphics, CircuitState circuitState) {
	graphics.setFill(Color.WHITE);
	graphics.setStroke(Color.BLACK);
	
	for(int i = 0; i < getConnections().size() - 1; i++) {
		if(getComponent().getNegateInputs()[i]) {
			PortConnection c = getConnections().get(i);
			int x = c.getX() * GuiUtils.BLOCK_SIZE;
			int y = c.getY() * GuiUtils.BLOCK_SIZE;
			
			switch(getProperties().getValue(Properties.DIRECTION)) {
				case WEST:
					x -= GuiUtils.BLOCK_SIZE;
				case EAST:
					y -= GuiUtils.BLOCK_SIZE * 0.5;
					break;
				case NORTH:
					y -= GuiUtils.BLOCK_SIZE;
				case SOUTH:
					x -= GuiUtils.BLOCK_SIZE * 0.5;
					break;
			}
			
			graphics.fillOval(x, y, GuiUtils.BLOCK_SIZE, GuiUtils.BLOCK_SIZE);
			graphics.strokeOval(x, y, GuiUtils.BLOCK_SIZE, GuiUtils.BLOCK_SIZE);
		}
	}
	
	GuiUtils.drawName(graphics, this, getProperties().getValue(Properties.LABEL_LOCATION));
	GuiUtils.rotateGraphics(this, graphics, getProperties().getValue(Properties.DIRECTION));
	
	if(hasNegatedInput) {
		graphics.translate(GuiUtils.BLOCK_SIZE, 0);
	}
	
	paintGate(graphics, circuitState);
}

Example 11

Source File: DeckView.java From Solitaire with GNU General Public License v2.0

5 votes

private Canvas createNewGameImage()
{
	double width = CardImages.getBack().getWidth();
	double height = CardImages.getBack().getHeight();
	Canvas canvas = new Canvas( width, height );
	GraphicsContext context = canvas.getGraphicsContext2D();
	
	// The reset image
	context.setStroke(Color.DARKGREEN);
	context.setLineWidth(IMAGE_NEW_LINE_WIDTH);
	context.strokeOval(width/4, height/2-width/4 + IMAGE_FONT_SIZE, width/2, width/2);

	// The text
	
	context.setTextAlign(TextAlignment.CENTER);
	context.setTextBaseline(VPos.CENTER);
	context.setFill(Color.DARKKHAKI);
	context.setFont(Font.font(Font.getDefault().getName(), IMAGE_FONT_SIZE));
	
	
	
	if( GameModel.instance().isCompleted() )
	{
		context.fillText("You won!", Math.round(width/2), IMAGE_FONT_SIZE);
	}
	else
	{
		context.fillText("Give up?", Math.round(width/2), IMAGE_FONT_SIZE);
	}
	context.setTextAlign(TextAlignment.CENTER);
	return canvas;
}

Example 12

Source File: DebugDrawJavaFX.java From jbox2d with BSD 2-Clause "Simplified" License

5 votes

@Override
public void drawCircle(Vec2 center, float radius, Color3f color) {
  GraphicsContext g = getGraphics();
  Color s = cpool.getColor(color.x, color.y, color.z, 1.0f);
  saveState(g);
  double scaling = transformGraphics(g, center) * radius;
  g.setLineWidth(stroke / scaling);
  g.scale(radius, radius);
  g.setStroke(s);
  g.strokeOval(circle.getMinX(), circle.getMinX(), circle.getWidth(), circle.getHeight());
  restoreState(g);
}

Example 13

Source File: SimpleLineChartSkin.java From Enzo with Apache License 2.0

5 votes

private void drawBullet(final GraphicsContext CTX, final double X, final double Y, final Paint COLOR) {
    double iconSize = 0.04 * size;
    CTX.save();
    CTX.setLineWidth(0.0125 * height);
    CTX.setStroke(getSkinnable().getSeriesStroke());
    CTX.setFill(COLOR);
    CTX.strokeOval(X - iconSize * 0.5, Y - iconSize * 0.5, iconSize, iconSize);
    CTX.fillOval(X - iconSize * 0.5, Y - iconSize * 0.5, iconSize, iconSize);
    CTX.restore();
}

Example 14

Source File: BrushOverlay.java From paintera with GNU General Public License v2.0

4 votes

@Override
public void drawOverlays(final GraphicsContext g)
{

	if (visible && this.viewer.isMouseInside())
	{

		final double scaledRadius = this.viewerRadius.get();

		if (x + scaledRadius > 0 &&
				x - scaledRadius < width &&
				y + scaledRadius > 0 &&
				y - scaledRadius < height)
		{
			final double depth            = brushDepth.get();
			final double depthScaleFactor = 5;
			if (depth > 1)
			{
				//					g.setStroke( Color.BLACK.deriveColor( 0.0, 1.0, 1.0, 0.5 ) );
				g.setStroke(Color.WHEAT.deriveColor(0.0, 1.0, 1.0, 0.5));
				g.setFill(Color.WHITE.deriveColor(0.0, 1.0, 1.0, 0.5));
				g.setFont(Font.font(g.getFont().getFamily(), 15.0));
				g.setLineWidth(this.strokeWidth);
				g.strokeOval(
						x - scaledRadius,
						y - scaledRadius + depth * depthScaleFactor,
						2 * scaledRadius + 1,
						2 * scaledRadius + 1
				            );
				//					g.fillRect( x - scaledRadius, y, 2 * scaledRadius + 1, depth *
				// depthScaleFactor );
				g.strokeLine(x - scaledRadius, y + depth * depthScaleFactor, x - scaledRadius, y);
				g.strokeLine(x + scaledRadius + 1, y + depth * depthScaleFactor, x + scaledRadius + 1, y);
				g.fillText("depth=" + depth, x + scaledRadius + 1, y + depth * depthScaleFactor + scaledRadius +
						1);
			}

			g.setStroke(Color.WHITE);
			g.setLineWidth(this.strokeWidth);
			g.strokeOval(x - scaledRadius, y - scaledRadius, 2 * scaledRadius + 1, 2 * scaledRadius + 1);

			this.viewer.getScene().setCursor( Cursor.NONE );
			return;
		}
	}
	if (wasVisible)
	{
		this.viewer.getScene().setCursor(Cursor.DEFAULT);
		wasVisible = false;
	}
}

Example 15

Source File: TransistorPeer.java From CircuitSim with BSD 3-Clause "New" or "Revised" License

4 votes

@Override
public void paint(GraphicsContext graphics, CircuitState state) {
	GuiUtils.drawName(graphics, this, getProperties().getValue(Properties.LABEL_LOCATION));
	GuiUtils.rotateGraphics(this, graphics, getProperties().getValue(Properties.DIRECTION));
	
	int x = getScreenX();
	int y = getScreenY();
	int width = getScreenWidth() > getScreenHeight() ? getScreenWidth() : getScreenHeight();
	int height = getScreenWidth() > getScreenHeight() ? getScreenHeight() : getScreenWidth();
	
	boolean gateLoc = getProperties().getValue(GATE_LOCATION_PROPERTY);
	switch(getProperties().getValue(Properties.DIRECTION)) {
		case WEST:
		case SOUTH:
			gateLoc = !gateLoc;
			break;
	}
	
	int yOff = gateLoc ? 0 : height;
	int m = gateLoc ? 1 : -1;
	
	graphics.setStroke(Color.BLACK);
	graphics.setLineWidth(2);
	
	graphics.beginPath();
	graphics.moveTo(x, y + height - yOff);
	graphics.lineTo(x + width / 3.0, y + height - yOff);
	graphics.lineTo(x + width / 3.0, y + yOff + m * height * 0.7);
	graphics.lineTo(x + 2.0 * width / 3.0, y + yOff + m * height * 0.7);
	graphics.lineTo(x + 2.0 * width / 3.0, y + height - yOff);
	graphics.lineTo(x + width, y + height - yOff);
	
	graphics.moveTo(x + width / 3.0, y + yOff + m * height * 0.5);
	graphics.lineTo(x + 2.0 * width / 3.0, y + yOff + m * height * 0.5);
	graphics.stroke();
	
	graphics.setLineWidth(1);
	
	graphics.beginPath();
	graphics.moveTo(x + width * 0.5 - 1.5, y + yOff + m * (height * 0.7 + 3));
	graphics.lineTo(x + width * 0.5 + 3.0, y + yOff + m * (height * 0.7 + 5));
	graphics.lineTo(x + width * 0.5 - 1.5, y + yOff + m * (height * 0.7 + 7));
	graphics.stroke();
	
	if(getProperties().getValue(TRANSISTOR_TYPE_PROPERTY)) {
		graphics.strokeOval(x + width * 0.5 - 3, y + (gateLoc ? 3 : height - 9), 6, 6);
	} else {
		graphics.strokeLine(x + width * 0.5, y + yOff, x + width * 0.5, y + height * 0.5);
	}
}

Example 16

Source File: Tunnel.java From CircuitSim with BSD 3-Clause "New" or "Revised" License

4 votes

@Override
public void paint(GraphicsContext graphics, CircuitState circuitState) {
	Direction direction = getProperties().getValue(Properties.DIRECTION);
	
	boolean isIncompatible = isIncompatible();
	
	graphics.setStroke(Color.BLACK);
	graphics.setFill(isIncompatible ? Color.ORANGE : Color.WHITE);
	
	int block = GuiUtils.BLOCK_SIZE;
	int x = getScreenX();
	int y = getScreenY();
	int width = getScreenWidth();
	int height = getScreenHeight();
	
	int xOff = 0;
	int yOff = 0;
	
	switch(direction) {
		case EAST:
			xOff = -block;
			graphics.beginPath();
			graphics.moveTo(x + width, y + height * 0.5);
			graphics.lineTo(x + width - block, y + height);
			graphics.lineTo(x, y + height);
			graphics.lineTo(x, y);
			graphics.lineTo(x + width - block, y);
			graphics.closePath();
			break;
		case WEST:
			xOff = block;
			graphics.beginPath();
			graphics.moveTo(x, y + height * 0.5);
			graphics.lineTo(x + block, y);
			graphics.lineTo(x + width, y);
			graphics.lineTo(x + width, y + height);
			graphics.lineTo(x + block, y + height);
			graphics.closePath();
			break;
		case NORTH:
			yOff = block;
			graphics.beginPath();
			graphics.moveTo(x + width * 0.5, y);
			graphics.lineTo(x + width, y + block);
			graphics.lineTo(x + width, y + height);
			graphics.lineTo(x, y + height);
			graphics.lineTo(x, y + block);
			graphics.closePath();
			break;
		case SOUTH:
			yOff = -block;
			graphics.beginPath();
			graphics.moveTo(x + width * 0.5, y + height);
			graphics.lineTo(x, y + height - block);
			graphics.lineTo(x, y);
			graphics.lineTo(x + width, y);
			graphics.lineTo(x + width, y + height - block);
			graphics.closePath();
			break;
	}
	
	graphics.fill();
	graphics.stroke();
	
	if(!label.isEmpty()) {
		Bounds bounds = GuiUtils.getBounds(graphics.getFont(), label);
		graphics.setFill(Color.BLACK);
		graphics.fillText(label,
		                  x + xOff + ((width - xOff) - bounds.getWidth()) * 0.5,
		                  y + yOff + ((height - yOff) + bounds.getHeight()) * 0.4);
	}
	
	if(isIncompatible) {
		PortConnection port = getConnections().get(0);
		
		graphics.setFill(Color.BLACK);
		graphics.fillText(String.valueOf(bitSize),
		                  port.getScreenX() + 11,
		                  port.getScreenY() + 21);
		
		graphics.setStroke(Color.ORANGE);
		graphics.setFill(Color.ORANGE);
		graphics.strokeOval(port.getScreenX() - 2, port.getScreenY() - 2, 10, 10);
		graphics.fillText(String.valueOf(bitSize),
		                  port.getScreenX() + 10,
		                  port.getScreenY() + 20);
	}
}