Java Code Examples for java.awt.Graphics2D.getColor()

public void paintState(Graphics2D g2, ASVConfig s) {
	if (s == null) {
		return;
	}
	Path2D.Float path = new Path2D.Float();

	List<Point2D> points = s.getASVPositions();
	Point2D p = points.get(0);
	path.moveTo(p.getX(), p.getY());
	for (int i = 1; i < points.size(); i++) {
		p = points.get(i);
		path.lineTo(p.getX(), p.getY());
	}
	path.transform(transform);
	g2.draw(path);
	if (animating || !displayingSolution) {
		p = transform.transform(points.get(0), null);
		Color color = g2.getColor();
		Stroke stroke = g2.getStroke();
		g2.setColor(Color.BLACK);
		g2.setStroke(new BasicStroke(1));
		g2.draw(new Ellipse2D.Double(p.getX() - 4, p.getY() - 4, 8, 8));
		g2.setColor(color);
		g2.setStroke(stroke);
	}
}
 

private void drawJobs(Graphics2D g2d) {
	double x = getProcessorXY().x + 2 * PROC_RAD, y = getProcessorXY().y + PROC_RAD * 2 + 4 * ELEMS_GAP;
	Color tmp = g2d.getColor();
	//		System.out.println(nCpu);
	if (nCpu == 1) {
		txtBounds = drawCenteredText("executing cust.:" + donejobs + ", residual time:" + remainingTime[0] + "ms", Color.BLACK, Color.WHITE, x,
				y, g2d, true, false);
		drawCenteredText("executing cust.:" + donejobs + ", residual time:" + remainingTime[0] + "ms", Color.BLACK, Color.WHITE, x
				- txtBounds.getWidth() / 2.0, y, g2d, true, true);
	}
	//		else if(nCpu==2){
	//			txtBounds = drawCenteredText("executing cust.:" + 
	//					donejobs + ", residual time(1):" + remainingTime[0] + "ms"+ ", residual time(2):" + remainingTime[1] + "ms", Color.BLACK, Color.WHITE, x, y, g2d, true, false);
	//			drawCenteredText("executing cust.:" + 
	//					donejobs + ", residual time(1):" + remainingTime[0] + "ms"+ ", residual time(2):" + remainingTime[1] + "ms", Color.BLACK, Color.WHITE, x - txtBounds.getWidth() / 2.0, y, g2d, true, true);
	//
	//		}
	//		else
	//		{
	//			txtBounds = drawCenteredText("executing cust.:" + donejobs , Color.BLACK, Color.WHITE, x, y, g2d, true, false);
	//			drawCenteredText("executing cust.:" + donejobs , Color.BLACK, Color.WHITE, x - txtBounds.getWidth() / 2.0, y, g2d, true, true);
	//		}
	// draw box around text
	g2d.setColor(tmp);
}
 

private Rectangle2D drawCenteredText(String s, Color c, double centerX, double centerY, Graphics2D g2d, boolean draw) {
	Rectangle2D txtBounds;
	double x, y;
	double gap = dCst.getElementsGap();
	g2d.setFont(dCst.getFont());
	txtBounds = dCst.getFont().getStringBounds(s, g2d.getFontRenderContext());
	x = centerX - txtBounds.getWidth() / 2.0;
	y = centerY - txtBounds.getY() - txtBounds.getHeight() / 2;
	txtBounds.setRect(x - gap, y - txtBounds.getHeight() / 2.0 - gap, txtBounds.getWidth() + 2 * gap, txtBounds.getHeight() + 2 * gap);
	Color ctmp = g2d.getColor();
	g2d.setColor(c);
	if (draw) {
		g2d.drawString(s, (float) x, (float) y);
	}
	g2d.setColor(ctmp);
	return txtBounds;
}
 

private Rectangle2D drawCenteredText(String s, Color c, double centerX, double centerY, Graphics2D g2d, boolean drawBorder) {
	double x, y;
	g2d.setFont(f);
	txtBounds = f.getStringBounds(s, g2d.getFontRenderContext());
	x = centerX - txtBounds.getWidth() / 2.0;
	y = centerY - txtBounds.getY() - txtBounds.getHeight() / 2;
	txtBounds.setRect(x - ELEMS_GAP, y - txtBounds.getHeight() / 2.0 - ELEMS_GAP, txtBounds.getWidth() + 2 * ELEMS_GAP, txtBounds.getHeight() + 2
			* ELEMS_GAP);
	if (drawBorder) {
		g2d.setColor(invertedColor(c));
		g2d.fill(txtBounds);
		g2d.setColor(c);
		g2d.draw(txtBounds);
	}
	Color ctmp = g2d.getColor();
	g2d.setColor(c);
	g2d.drawString(s, (float) x, (float) y);
	g2d.setColor(ctmp);
	return txtBounds;
}
 

/**
 * PERFORMANCE HINT: The larger the text is, the more time it needs to render
 * especially with antialiasing turned on.
 *
 * @param g
 * @param text
 * @param x
 * @param y
 * @param shadow
 */
public static void drawTextWithShadow(final Graphics2D g, final String text, final double x, final double y, final Color shadow) {
  if (text == null || text.isEmpty()) {
    return;
  }

  final Color old = g.getColor();
  g.setColor(shadow);
  g.drawString(text, (float) x + 1, (float) y + 1);
  g.drawString(text, (float) x + 1, (float) y - 1);
  g.drawString(text, (float) x - 1, (float) y - 1);
  g.drawString(text, (float) x - 1, (float) y + 1);
  g.setColor(old);
  g.drawString(text, (float) x, (float) y);
}
 

@Override
public void paint(Graphics g) {
    if (selected) {
        Graphics2D g2d = (Graphics2D) g;
        Composite oldComposite = g2d.getComposite();
        Color oldColor = g2d.getColor();
        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f));
        g2d.setColor(Color.BLACK);
        g2d.fillRect(0, 0, getWidth(), getHeight());
        g2d.setComposite(oldComposite);
        g2d.setColor(oldColor);
    }
    super.paint(g);
}
 

@Override
public void paint(Graphics g) {
    if (selected) {
        Graphics2D g2d = (Graphics2D) g;
        Composite oldComposite = g2d.getComposite();
        Color oldColor = g2d.getColor();
        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f));
        g2d.setColor(Color.BLACK);
        g2d.fillRect(0, 0, getWidth(), getHeight());
        g2d.setComposite(oldComposite);
        g2d.setColor(oldColor);
    }
    super.paint(g);
}
 

public void paintIcon(Component c, Graphics g, int x, int y)
{
    Rectangle r = new Rectangle(x, y, WIDTH - 1, HEIGHT - 1);
    Graphics2D g2 = (Graphics2D) g;
    Color oldColor = g2.getColor();
    g2.setColor(color);
    g2.fill(r);
    g2.setColor(Color.BLACK);
    g2.draw(r);
    g2.setColor(oldColor);
}
 

private RoundRectangle2D drawViewButton(double x, double y, Graphics2D g2d, boolean draw, boolean clicked) {
	Rectangle2D dvR;
	RoundRectangle2D dvRR;
	Color tmp;
	Color fg = Color.BLACK;
	Color bg = Color.LIGHT_GRAY;

	if (clicked) {
		tmp = fg;
		fg = bg;
		bg = tmp;
	}

	if (nCpu > 2) {
		fg = Color.DARK_GRAY.brighter().brighter();
		bg = Color.LIGHT_GRAY;
	}

	dvR = drawCenteredText("change view", fg, bg, x, y, g2d, false, false);
	dvRR = new RoundRectangle2D.Double(x, y, dvR.getWidth(), dvR.getHeight(), 5.0, 5.0);
	if (draw) {
		tmp = g2d.getColor();
		g2d.setColor(bg);
		g2d.fill(dvRR);
		g2d.setColor(fg);
		g2d.draw(dvRR);
		drawCenteredText("change view", fg, bg, x + dvR.getWidth() / 2.0, y + dvR.getHeight() / 2.0, g2d, false, true);
		g2d.setColor(tmp);
	}
	return dvRR;
}
 

private RoundRectangle2D drawViewButton(double x, double y, Graphics2D g2d, boolean draw, boolean clicked) {
	Rectangle2D dvR;
	RoundRectangle2D dvRR;
	Color tmp;
	Color fg = Color.BLACK;
	Color bg = Color.LIGHT_GRAY;

	if (clicked) {
		tmp = fg;
		fg = bg;
		bg = tmp;
	}

	if (nCpu > 2) {
		fg = Color.darkGray.brighter().brighter();
		bg = Color.LIGHT_GRAY;
	}

	dvR = drawCenteredText("change view", fg, bg, x, y, g2d, false, false);
	dvRR = new RoundRectangle2D.Double(x, y, dvR.getWidth(), dvR.getHeight(), 5.0, 5.0);
	if (draw) {
		tmp = g2d.getColor();
		g2d.setColor(bg);
		g2d.fill(dvRR);
		g2d.setColor(fg);
		g2d.draw(dvRR);
		drawCenteredText("change view", fg, bg, x + dvR.getWidth() / 2.0, y + dvR.getHeight() / 2.0, g2d, false, true);
		g2d.setColor(tmp);
	}
	return dvRR;
}
 

@Override
protected void paintButtonPressed(Graphics g, AbstractButton c) {
    if (c.isContentAreaFilled()) {
        Graphics2D g2d = (Graphics2D) g;
        Dimension size = c.getSize();
        Composite oldComposite = g2d.getComposite();
        Color oldColor = g2d.getColor();
        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f));
        g2d.setColor(Color.BLACK);
        g2d.fillRect(0, 0, size.width, size.height);
        g2d.setComposite(oldComposite);
        g2d.setColor(oldColor);

    }
}
 

public void drawMoreStatus(Graphics2D g2d) {
	double x = 2.0 * (2.0 * STATUS_RAD + ELEMS_GAP) * (queueLength() - 2) + START_GAP;
	Color ctmp = g2d.getColor();
	g2d.setPaint(Color.BLACK);
	drawCenteredText(" . . . ", Color.BLACK, x + STATUS_RAD, panelH / 2.0, g2d, false);
	g2d.setColor(ctmp);
}
 

@Override
protected void paintLayer(Graphics2D g2, JXLayer<? extends V> layer) {
    super.paintLayer(g2, layer);
    
    if (this.mainTraceInfo.getPoint() == null) {
        return;
    }

    final Object oldValueAntiAlias = g2.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
    final Color oldColor = g2.getColor();

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setColor(COLOR_BLUE);
    final int BALL_RADIUS = 8;
    g2.fillOval((int)(this.mainTraceInfo.getPoint().getX() - (BALL_RADIUS >> 1) + 0.5), (int)(this.mainTraceInfo.getPoint().getY() - (BALL_RADIUS >> 1) + 0.5), BALL_RADIUS, BALL_RADIUS);

    for (TraceInfo indicatorTraceInfo : this.indicatorTraceInfos) {
        final Point2D point = indicatorTraceInfo.getPoint();
        if (null == point) {
            continue;
        }
        g2.fillOval((int)(point.getX() - (BALL_RADIUS >> 1) + 0.5), (int)(point.getY() - (BALL_RADIUS >> 1) + 0.5), BALL_RADIUS, BALL_RADIUS);
    }

    g2.setColor(oldColor);
    
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, oldValueAntiAlias);
    this.drawInformationBox(g2, layer);
}
 

public void paint(final Graphics2D g, final double x, final double y,
                  final boolean fill, int partNumber, int hPageCount) {
    if (!function.isHaveChilds())
        return;

    final ArrowPainter painter = new ArrowPainter(movingArea);
    final int y1 = movingArea.getIntOrdinate(movingArea.TOP_PART_A);

    final int y2 = movingArea.getIntOrdinate(movingArea.CLIENT_HEIGHT);
    final int height = movingArea.getIntOrdinate(movingArea.BOTTOM_PART_A);
    final int x0 = (int) x + 1;
    final int y0 = (int) y + 1;

    if (fill) {
        final Color c = g.getColor();
        g.setColor(IDEFPanel.DEFAULT_BACKGROUND);
        g.fillRect(x0, y0,
                movingArea.getIntOrdinate(movingArea.MOVING_AREA_WIDTH), y1
                        + y2 + height);
        g.setColor(c);
    }

    g.setStroke(ArrowPainter.THIN_STROKE);
    g.translate(x0, y0);
    g.setColor(Color.BLACK);
    painter.paintTop(
            g// (Graphics2D)g.create(x0,y0,size.width,y1)
            , movingArea.getIntOrdinate(movingArea.TOP_PART_A), movingArea,
            partNumber, hPageCount);
    g.translate(0, y1);
    movingArea.paint(g);// g.create(x0,y0+y1,size.width,y2));

    g.setStroke(ArrowPainter.THIN_STROKE);

    g.translate(0, y2);
    g.setColor(Color.BLACK);
    painter.paintBottom(g, height, movingArea, partNumber, hPageCount);
}
 

@Override
public void paint(Graphics2D g, Shape alloc, Rectangle clipBounds) {
    Rectangle2D.Double allocBounds = ViewUtils.shape2Bounds(alloc);
    if (allocBounds.intersects(clipBounds)) {
        Font origFont = g.getFont();
        Color origColor = g.getColor();
        Color origBkColor = g.getBackground();
        Shape origClip = g.getClip();
        try {
            // Leave component font
            
            g.setBackground(getBackgroundColor());

            int xInt = (int) allocBounds.getX();
            int yInt = (int) allocBounds.getY();
            int endXInt = (int) (allocBounds.getX() + allocBounds.getWidth() - 1);
            int endYInt = (int) (allocBounds.getY() + allocBounds.getHeight() - 1);
            g.setColor(getBorderColor());
            g.drawRect(xInt, yInt, endXInt - xInt, endYInt - yInt);
            
            g.setColor(getForegroundColor());
            g.clearRect(xInt + 1, yInt + 1, endXInt - xInt - 1, endYInt - yInt - 1);
            g.clip(alloc);
            TextLayout textLayout = getTextLayout();
            if (textLayout != null) {
                EditorView.Parent parent = (EditorView.Parent) getParent();
                float ascent = parent.getViewRenderContext().getDefaultAscent();
                String desc = fold.getDescription(); // For empty desc a single-space text layout is returned
                float x = (float) (allocBounds.getX() + EXTRA_MARGIN_WIDTH);
                float y = (float) allocBounds.getY();
                if (desc.length() > 0) {
                    
                    textLayout.draw(g, x, y + ascent);
                }
            }
        } finally {
            g.setClip(origClip);
            g.setBackground(origBkColor);
            g.setColor(origColor);
            g.setFont(origFont);
        }
    }
}
 

private void drawInstance(InstancePainter painter, boolean isGhost) {
	Bounds bds = painter.getBounds();
	Object powerLoc = painter.getAttributeValue(Wiring.ATTR_GATE);
	Direction facing = painter.getAttributeValue(StdAttr.FACING);
	boolean flip = (facing == Direction.SOUTH || facing == Direction.WEST) == (powerLoc == Wiring.GATE_TOP_LEFT);

	int degrees = Direction.WEST.toDegrees() - facing.toDegrees();
	if (flip)
		degrees += 180;
	double radians = Math.toRadians((degrees + 360) % 360);

	Graphics2D g = (Graphics2D) painter.getGraphics().create();
	g.rotate(radians, bds.getX() + 20, bds.getY() + 20);
	g.translate(bds.getX(), bds.getY());
	GraphicsUtil.switchToWidth(g, Wire.WIDTH);

	Color gate0 = g.getColor();
	Color gate1 = gate0;
	Color input = gate0;
	Color output = gate0;
	Color platform = gate0;
	if (!isGhost && painter.getShowState()) {
		gate0 = painter.getPort(GATE0).getColor();
		gate1 = painter.getPort(GATE0).getColor();
		input = painter.getPort(INPUT).getColor();
		output = painter.getPort(OUTPUT).getColor();
		platform = computeOutput(painter).getColor();
	}

	g.setColor(flip ? input : output);
	g.drawLine(0, 20, 11, 20);
	g.drawLine(11, 13, 11, 27);

	g.setColor(flip ? output : input);
	g.drawLine(29, 20, 40, 20);
	g.drawLine(29, 13, 29, 27);

	g.setColor(gate0);
	g.drawLine(20, 35, 20, 40);
	GraphicsUtil.switchToWidth(g, 1);
	g.drawOval(18, 30, 4, 4);
	g.drawLine(10, 30, 30, 30);
	GraphicsUtil.switchToWidth(g, Wire.WIDTH);

	g.setColor(gate1);
	g.drawLine(20, 9, 20, 0);
	GraphicsUtil.switchToWidth(g, 1);
	g.drawLine(10, 10, 30, 10);

	g.setColor(platform);
	g.drawLine(9, 12, 31, 12);
	g.drawLine(9, 28, 31, 28);
	if (flip) { // arrow
		g.drawLine(18, 17, 21, 20);
		g.drawLine(18, 23, 21, 20);
	} else {
		g.drawLine(22, 17, 19, 20);
		g.drawLine(22, 23, 19, 20);
	}

	g.dispose();
}
 

/**
 * {@inheritDoc}
 */
@Override
public void paintComponent(Graphics g) {
    updateSizes();
    Graphics2D g2d = (Graphics2D) g;
    chatDisplay.removeOldMessages();
    Dimension size = getSize();

    if (freeColClient.isMapEditor()) {
        if (hasMap()) {
            mapViewer.displayMap(g2d);
        } else {
            g2d.setColor(Color.BLACK);
            g2d.fillRect(0, 0, size.width, size.height);
        }

    } else if (freeColClient.isInGame() && hasMap()) {
        mapViewer.displayMap(g2d);

        // Grey out the map if it is not my turn (and a multiplayer game).
        if (!freeColClient.currentPlayerIsMyPlayer()) {
            if (greyLayer == null) {
                greyLayer = new GrayLayer(freeColClient);
            }
            if (greyLayer.getParent() == null) {
                add(greyLayer, JLayeredPane.DRAG_LAYER);
            }
            greyLayer.setBounds(0, 0, size.width, size.height);
            greyLayer.setPlayer(freeColClient.getGame().getCurrentPlayer());
        } else {
            if (greyLayer != null && greyLayer.getParent() != null) {
                removeFromCanvas(greyLayer);
            }
        }

        // paint chat display
        chatDisplay.display(g2d, mapViewer.getImageLibrary(), size);

    } else {
        /* main menu */
        // TODO: Check if its right to sometimes have an unfocused map
        //       ingame and end up here after clicking outside map.
        final String bgImageKey = "image.flavor.Canvas.map";
        if (ResourceManager.hasImageResource(bgImageKey)) {
            // Get the background without scaling, to avoid wasting
            // memory needlessly keeping an unbounded number of rescaled
            // versions of the largest image in FreeCol, forever.
            final Image bgImage = ResourceManager.getImage(bgImageKey);
            // Draw background image with scaling.
            g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                RenderingHints.VALUE_INTERPOLATION_BILINEAR);
            g2d.drawImage(bgImage, 0, 0, size.width, size.height, this);
            String versionStr = "v. " + FreeCol.getVersion();
            Font oldFont = g2d.getFont();
            Color oldColor = g2d.getColor();
            Font newFont = oldFont.deriveFont(Font.BOLD);
            TextLayout layout = new TextLayout(versionStr, newFont,
                g2d.getFontRenderContext());
            Rectangle2D bounds = layout.getBounds();
            float x = size.width - (float) bounds.getWidth() - 5;
            float y = size.height - (float) bounds.getHeight();
            g2d.setColor(Color.white);
            layout.draw(g2d, x, y);
            g2d.setFont(oldFont);
            g2d.setColor(oldColor);
        } else {
            g2d.setColor(Color.BLACK);
            g2d.fillRect(0, 0, size.width, size.height);
        }
    }
}
 

public void drawArc(int from, int to, boolean bold, String txt, Graphics2D g2d, Color c) {
	Color oldc = g2d.getColor();
	g2d.setColor(c);
	arrow = new GeneralPath(GeneralPath.WIND_EVEN_ODD);
	double x1, x2, ctrlx, ctrly, y;
	if (bold) {
		g2d.setStroke(strokeB);
	}
	if (from > to) {

		// arc settings
		x2 = to * (4 * STATUS_RAD + 2 * ELEMS_GAP) + START_GAP + STATUS_RAD * 2;//+ ELEMS_GAP;
		x1 = from * (4 * STATUS_RAD + 2 * ELEMS_GAP) + START_GAP;// - ELEMS_GAP;				
		y = (panelH) / 2.0 + STATUS_RAD;
		ctrly = y + STATUS_RAD;

		// arrow settings
		arrow.moveTo((float) x2, (float) y);
		arrow.lineTo((float) x2 + arroww, (float) y);
		arrow.lineTo((float) x2, (float) y + arroww);
		arrow.closePath();
	} else {

		// arc settings
		x1 = from * (4 * STATUS_RAD + 2 * ELEMS_GAP) + START_GAP + STATUS_RAD * 2;//+ ELEMS_GAP;
		x2 = to * (4 * STATUS_RAD + 2 * ELEMS_GAP) + START_GAP;// - ELEMS_GAP;
		y = (panelH - STATUS_RAD * 2) / 2.0;
		ctrly = y - STATUS_RAD;

		// arrow settings
		arrow.moveTo((float) x2, (float) y);
		arrow.lineTo((float) x2 - arroww, (float) y);
		arrow.lineTo((float) x2, (float) y - arroww);
		arrow.closePath();
	}
	ctrlx = (x1 + x2) / 2;

	arc[from][to] = new QuadCurve2D.Double(x1, y, ctrlx, ctrly, x2, y);
	g2d.draw(arc[from][to]);
	g2d.draw(arrow);
	g2d.fill(arrow);
	g2d.setColor(oldc);
	g2d.setStroke(stroke);
}
 

@Override  
    public void paint(Graphics g) {  
        super.paint(g);  
        Graphics2D g2d = (Graphics2D) g;  
        Color source = g2d.getColor();  
          
        g2d.setColor(Color.WHITE);  
        g2d.drawString("sinx/x 的图像", 50, 50);  
          
  
        // 画 X 轴  
        g2d.drawLine(INCREMENT, (int)HEIGHT/2, (int)WIDTH-INCREMENT, (int)HEIGHT/2);  
        g2d.drawLine((int)WIDTH-2*INCREMENT, (int)HEIGHT/2-5, (int)WIDTH-10, (int)HEIGHT/2);
        g2d.drawLine((int)WIDTH-2*INCREMENT, (int)HEIGHT/2+5, (int)WIDTH-10, (int)HEIGHT/2);
          
  
        // 画 Y 轴  
        g2d.drawLine((int)WIDTH/2, 40, (int)WIDTH/2, (int)HEIGHT-50);  
        g2d.drawLine((int)WIDTH/2, 40, (int)WIDTH/2-10, 50);  
        g2d.drawLine((int)WIDTH/2, 40, (int)WIDTH/2+10, 50);  
          
        // 将当前画笔移动到中心  
        g2d.translate((int) WIDTH / 2, (int) HEIGHT / 2);  
  
        // 利用GeneralPath类来画曲线  
        GeneralPath gp = new GeneralPath();  
  
        // 将GeneralPath的实例gp的画笔移动到当前画面的中心，但是这个点是相对于g2d画笔的中心的  
        gp.moveTo(0, 0);  
  
        // 画sin(x)/x 的图像  
//      drawSinxDX(gp, g2d);  
  
        // sin(x)的图像  
        drawSinx(gp, g2d);  
     // cos(x)的图像  
      // drawCosx(gp, g2d);  
  
        // tan(x)的图像  
//      drawTanx(gp, g2d);  
        g2d.setColor(source);  
    }
 

/**
 * Draws the needle.
 *
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 * @param rotate  the rotation point.
 * @param angle  the angle.
 */
public void draw(Graphics2D g2, Rectangle2D plotArea, Point2D rotate, double angle) {

    Paint savePaint = g2.getColor();
    Stroke saveStroke = g2.getStroke();

    drawNeedle(g2, plotArea, rotate, Math.toRadians(angle));

    g2.setStroke(saveStroke);
    g2.setPaint(savePaint);

}