Java Code Examples for java.awt.Graphics2D#rotate()

private void renderLine(PaintType type, Graphics2D g,
                        int startx, int starty, int w, int h)
{
    Paint p = createPaint(type, startx, starty, w, h);
    g.setPaint(p);

    // first, no transform
    g.fillRect(startx, starty, w, h);

    // translation only
    g.translate(w, 0);
    g.fillRect(startx, starty, w, h);
    g.translate(-w, 0);

    // complex transform
    g.translate(startx + w*2, starty);
    g.rotate(Math.toRadians(90), w/2, h/2);
    g.translate(-startx, -starty);
    g.fillRect(startx, starty, w, h);
}
 

@Override
protected void paintIcon( Component c, Graphics2D g ) {
	if( !c.getComponentOrientation().isLeftToRight() )
		g.rotate( Math.toRadians( 180 ), width / 2., height / 2. );

	g.setColor( getArrowColor( c ) );
	if( chevron ) {
		// chevron arrow
		Path2D path = FlatUIUtils.createPath( false, 1,1, 5,5, 1,9 );
		g.setStroke( new BasicStroke( 1f ) );
		g.draw( path );
	} else {
		// triangle arrow
		g.fill( FlatUIUtils.createPath( 0,0.5, 5,5, 0,9.5 ) );
	}
}
 

private static BufferedImage createBufferedImage(final boolean  aa) {
    final BufferedImage bi = new BufferedImage(SIZE, SIZE,
                                               BufferedImage.TYPE_INT_RGB);
    final Graphics2D bg = bi.createGraphics();
    bg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                        aa ? RenderingHints.VALUE_ANTIALIAS_ON
                           : RenderingHints.VALUE_ANTIALIAS_OFF);
    bg.setColor(Color.RED);
    bg.fillRect(0, 0, SIZE, SIZE);
    bg.translate(100, 100);
    bg.rotate(Math.toRadians(90));
    bg.setColor(Color.BLACK);
    bg.setFont(bg.getFont().deriveFont(20.0f));
    bg.drawString("MMMMMMMMMMMMMMMM", 0, 0);
    bg.dispose();
    return bi;
}
 

private void renderLine(PaintType type, Graphics2D g,
                        int startx, int starty, int w, int h)
{
    Paint p = createPaint(type, startx, starty, w, h);
    g.setPaint(p);

    // first, no transform
    g.fillRect(startx, starty, w, h);

    // translation only
    g.translate(w, 0);
    g.fillRect(startx, starty, w, h);
    g.translate(-w, 0);

    // complex transform
    g.translate(startx + w*2, starty);
    g.rotate(Math.toRadians(90), w/2, h/2);
    g.translate(-startx, -starty);
    g.fillRect(startx, starty, w, h);
}
 

private void renderLine(PaintType type, Graphics2D g,
                        int startx, int starty, int w, int h)
{
    Paint p = createPaint(type, startx, starty, w, h);
    g.setPaint(p);

    // first, no transform
    g.fillRect(startx, starty, w, h);

    // translation only
    g.translate(w, 0);
    g.fillRect(startx, starty, w, h);
    g.translate(-w, 0);

    // complex transform
    g.translate(startx + w*2, starty);
    g.rotate(Math.toRadians(90), w/2, h/2);
    g.translate(-startx, -starty);
    g.fillRect(startx, starty, w, h);
}
 

private void renderLine(PaintType type, Graphics2D g,
                        int startx, int starty, int w, int h)
{
    Paint p = createPaint(type, startx, starty, w, h);
    g.setPaint(p);

    // first, no transform
    g.fillRect(startx, starty, w, h);

    // translation only
    g.translate(w, 0);
    g.fillRect(startx, starty, w, h);
    g.translate(-w, 0);

    // complex transform
    g.translate(startx + w*2, starty);
    g.rotate(Math.toRadians(90), w/2, h/2);
    g.translate(-startx, -starty);
    g.fillRect(startx, starty, w, h);
}
 

/**
 * Returns the image of the MinMeasuredValue and MaxMeasuredValue dependend
 * @param WIDTH
 * @param COLOR
 * @param ROTATION_OFFSET
 * @return the image of the min or max measured value
 */
protected BufferedImage create_MEASURED_VALUE_Image(final int WIDTH, final Color COLOR, final double ROTATION_OFFSET) {
    if (WIDTH <= 36) // 36 is needed otherwise the image size could be smaller than 1
    {
        return UTIL.createImage(1, 1, Transparency.TRANSLUCENT);
    }

    final int IMAGE_HEIGHT = (int) (WIDTH * 0.0280373832);
    final int IMAGE_WIDTH = IMAGE_HEIGHT;

    final BufferedImage IMAGE = UTIL.createImage(IMAGE_WIDTH, IMAGE_HEIGHT, Transparency.TRANSLUCENT);
    final Graphics2D G2 = IMAGE.createGraphics();
    G2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    G2.rotate(ROTATION_OFFSET, IMAGE_WIDTH / 2.0, IMAGE_HEIGHT / 2.0);

    final GeneralPath INDICATOR = new GeneralPath();
    INDICATOR.setWindingRule(Path2D.WIND_EVEN_ODD);
    INDICATOR.moveTo(IMAGE_WIDTH * 0.5, IMAGE_HEIGHT);
    INDICATOR.lineTo(0.0, 0.0);
    INDICATOR.lineTo(IMAGE_WIDTH, 0.0);
    INDICATOR.closePath();

    G2.setColor(COLOR);
    G2.fill(INDICATOR);

    G2.dispose();

    return IMAGE;
}
 

public static void main(String ... args) {
    Font font = new Font(Font.DIALOG, Font.PLAIN, FONT_SIZE);
    Graphics2D g2d = createGraphics();

    FontMetrics ref = null;
    RuntimeException failure = null;
    for (int a = 0; a < 360; a += 15) {
        Graphics2D g = (Graphics2D)g2d.create();
        g.rotate(Math.toRadians(a));
        FontMetrics m = g.getFontMetrics(font);
        g.dispose();

        boolean status = true;
        if (ref == null) {
            ref = m;
        } else {
            status = ref.getAscent() == m.getAscent() &&
                    ref.getDescent() == m.getDescent() &&
                    ref.getLeading() == m.getLeading() &&
                    ref.getMaxAdvance() == m.getMaxAdvance();
        }

        System.out.printf("Metrics a%d, d%d, l%d, m%d (%d) %s\n",
                m.getAscent(), m.getDescent(), m.getLeading(), m.getMaxAdvance(),
                (int)a, status ? "OK" : "FAIL");

        if (!status && failure == null) {
            failure = new RuntimeException("Font metrics differ for angle " + a);
        }
    }
    if (failure != null) {
        throw failure;
    }
    System.out.println("done");
}
 

static void testAll(Graphics2D g2d) {
    g2d.setTransform(identity);
    g2d.translate(100, 100);
    testPrimitives(g2d);

    g2d.setTransform(identity);
    g2d.scale(10, 10);
    testPrimitives(g2d);

    g2d.setTransform(identity);
    g2d.rotate(Math.PI/6);
    testPrimitives(g2d);
}
 

private static void draw(final BufferedImage from,final Image to) {
    final Graphics2D g2d = (Graphics2D) to.getGraphics();
    g2d.setComposite(AlphaComposite.Src);
    g2d.setColor(Color.ORANGE);
    g2d.fillRect(0, 0, to.getWidth(null), to.getHeight(null));
    g2d.rotate(Math.toRadians(45));
    g2d.clip(new Rectangle(41, 42, 43, 44));
    g2d.drawImage(from, 50, 50, Color.blue, null);
    g2d.dispose();
}
 

private void transform(Graphics2D graphics, PDPage page, float scaleX, float scaleY)
{
    graphics.scale(scaleX, scaleY);

    // TODO should we be passing the scale to PageDrawer rather than messing with Graphics?
    int rotationAngle = page.getRotation();
    PDRectangle cropBox = page.getCropBox();

    if (rotationAngle != 0)
    {
        float translateX = 0;
        float translateY = 0;
        switch (rotationAngle)
        {
            case 90:
                translateX = cropBox.getHeight();
                break;
            case 270:
                translateY = cropBox.getWidth();
                break;
            case 180:
                translateX = cropBox.getWidth();
                translateY = cropBox.getHeight();
                break;
            default:
                break;
        }
        graphics.translate(translateX, translateY);
        graphics.rotate(Math.toRadians(rotationAngle));
    }
}
 

public static void main(String ... args) {
    Font font = new Font(Font.DIALOG, Font.PLAIN, FONT_SIZE);
    Graphics2D g2d = createGraphics();

    FontMetrics ref = null;
    RuntimeException failure = null;
    for (int a = 0; a < 360; a += 15) {
        Graphics2D g = (Graphics2D)g2d.create();
        g.rotate(Math.toRadians(a));
        FontMetrics m = g.getFontMetrics(font);
        g.dispose();

        boolean status = true;
        if (ref == null) {
            ref = m;
        } else {
            status = ref.getAscent() == m.getAscent() &&
                    ref.getDescent() == m.getDescent() &&
                    ref.getLeading() == m.getLeading() &&
                    ref.getMaxAdvance() == m.getMaxAdvance();
        }

        System.out.printf("Metrics a%d, d%d, l%d, m%d (%d) %s\n",
                m.getAscent(), m.getDescent(), m.getLeading(), m.getMaxAdvance(),
                (int)a, status ? "OK" : "FAIL");

        if (!status && failure == null) {
            failure = new RuntimeException("Font metrics differ for angle " + a);
        }
    }
    if (failure != null) {
        throw failure;
    }
    System.out.println("done");
}
 

static void testAll(Graphics2D g2d) {
    g2d.setTransform(identity);
    g2d.translate(100, 100);
    testPrimitives(g2d);

    g2d.setTransform(identity);
    g2d.scale(10, 10);
    testPrimitives(g2d);

    g2d.setTransform(identity);
    g2d.rotate(Math.PI/6);
    testPrimitives(g2d);
}
 

@Override
public void displayLayer(
	Graphics2D g2d, Settlement settlement, Building building,
	double xPos, double yPos, int mapWidth, int mapHeight,
	double rotation, double scale
) {

	// Save original graphics transforms.
	AffineTransform saveTransform = g2d.getTransform();

	// Get the map center point.
	double mapCenterX = mapWidth / 2D;
	double mapCenterY = mapHeight / 2D;

	// Translate map from settlement center point.
	g2d.translate(mapCenterX + (xPos * scale), mapCenterY + (yPos * scale));

	// Rotate map from North.
	g2d.rotate(rotation, 0D - (xPos * scale), 0D - (yPos * scale));

	// Draw all building labels.
	if (mapPanel.isShowBuildingLabels()) {
		//mapPanel.getSettlementTransparentPanel().getBuildingLabelMenuItem().setState(true);
		drawBuildingLabels(g2d, settlement);
	}

	// Draw all construction site labels.
	if (mapPanel.isShowConstructionLabels()) {
		drawConstructionSiteLabels(g2d, settlement);
	}

	// Draw all vehicle labels.
	if (mapPanel.isShowVehicleLabels()) {
		drawVehicleLabels(g2d, settlement);
	}

	// Draw all people labels.
	drawPersonLabels(g2d, settlement, mapPanel.isShowPersonLabels());

	// Draw all people labels.
	drawRobotLabels(g2d, settlement, mapPanel.isShowRobotLabels());

	// Restore original graphic transforms.
	g2d.setTransform(saveTransform);
}
 

public void paintBorder(Component c, Graphics g,
                                    int x, int y, int width, int height) {
    if (!(g instanceof Graphics2D)) {
        return;
    }

    Graphics2D g2 = (Graphics2D) g.create();

    int[] widths = getWidths();

    // Position and size of the border interior.
    int intX = x + widths[LEFT];
    int intY = y + widths[TOP];
    int intWidth = width - (widths[RIGHT] + widths[LEFT]);
    int intHeight = height - (widths[TOP] + widths[BOTTOM]);

    // Coordinates of the interior corners, from NW clockwise.
    int[][] intCorners = {
        { intX, intY },
        { intX + intWidth, intY },
        { intX + intWidth, intY + intHeight },
        { intX, intY + intHeight, },
    };

    // Draw the borders for all sides.
    for (int i = 0; i < 4; i++) {
        Value style = getBorderStyle(i);
        Polygon shape = getBorderShape(i);
        if ((style != Value.NONE) && (shape != null)) {
            int sideLength = (i % 2 == 0 ? intWidth : intHeight);

            // "stretch" the border shape by the interior area dimension
            shape.xpoints[2] += sideLength;
            shape.xpoints[3] += sideLength;
            Color color = getBorderColor(i);
            BorderPainter painter = getBorderPainter(i);

            double angle = i * Math.PI / 2;
            g2.setClip(g.getClip()); // Restore initial clip
            g2.translate(intCorners[i][0], intCorners[i][1]);
            g2.rotate(angle);
            g2.clip(shape);
            painter.paint(shape, g2, color, i);
            g2.rotate(-angle);
            g2.translate(-intCorners[i][0], -intCorners[i][1]);
        }
    }
    g2.dispose();
}
 

@Override
protected void paintWidget() {
    Graphics2D g = this.getGraphics();

    if (xPoints.length == 0 || Math.abs(xPoints[0] - xPoints[xPoints.length - 1]) > 2000) {
        return;
    }

    //g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
    //g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED);
    //g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);

    DiagramScene ds = (DiagramScene) this.getScene();
    boolean shouldHide = false;//ds.getShouldHide(this);

    Composite oldComposite = null;
    if (shouldHide) {
        Color c = new Color(255 - (255 - color.getRed()) / WHITE_FACTOR, 255 - (255 - color.getGreen()) / WHITE_FACTOR, 255 - (255 - color.getBlue()) / WHITE_FACTOR);
        g.setPaint(c);
    } else {
        g.setPaint(color);
    }

    if (split) {
        for (int i = 1; i < controlPoints.size(); i++) {
            Point prev = controlPoints.get(i - 1);
            Point cur = controlPoints.get(i);
            if (cur == null || prev == null) {
                continue;
            }

            g.drawLine(prev.x, prev.y, cur.x, cur.y);
        }
    } else {
        g.drawPolyline(xPoints, yPoints, pointCount);
    }

    /*for(int i=0; i<xPoints.length; i++) {
    int x = xPoints[i];
    int y = yPoints[i];
    g.fillOval(x - 2, y - 2, 4, 4);
    }*/

    if (xPoints.length >= 2) {
        Graphics2D g2 = (Graphics2D) g.create();
        int xOff = xPoints[xPoints.length - 2] - xPoints[xPoints.length - 1];
        int yOff = yPoints[yPoints.length - 2] - yPoints[yPoints.length - 1];
        if (xOff == 0 && yOff == 0 && yPoints.length >= 3) {
            xOff = xPoints[xPoints.length - 3] - xPoints[xPoints.length - 1];
            yOff = yPoints[yPoints.length - 3] - yPoints[yPoints.length - 1];
        }
        g2.translate(xPoints[xPoints.length - 1], yPoints[yPoints.length - 1]);
        g2.rotate(Math.atan2(yOff, xOff));

        g2.scale(0.55, 0.80);
        AnchorShape.TRIANGLE_FILLED.paint(g2, false);
    }
}
 

public void paintBorder(Component c, Graphics g,
                                    int x, int y, int width, int height) {
    if (!(g instanceof Graphics2D)) {
        return;
    }

    Graphics2D g2 = (Graphics2D) g.create();

    int[] widths = getWidths();

    // Position and size of the border interior.
    int intX = x + widths[LEFT];
    int intY = y + widths[TOP];
    int intWidth = width - (widths[RIGHT] + widths[LEFT]);
    int intHeight = height - (widths[TOP] + widths[BOTTOM]);

    // Coordinates of the interior corners, from NW clockwise.
    int[][] intCorners = {
        { intX, intY },
        { intX + intWidth, intY },
        { intX + intWidth, intY + intHeight },
        { intX, intY + intHeight, },
    };

    // Draw the borders for all sides.
    for (int i = 0; i < 4; i++) {
        Value style = getBorderStyle(i);
        Polygon shape = getBorderShape(i);
        if ((style != Value.NONE) && (shape != null)) {
            int sideLength = (i % 2 == 0 ? intWidth : intHeight);

            // "stretch" the border shape by the interior area dimension
            shape.xpoints[2] += sideLength;
            shape.xpoints[3] += sideLength;
            Color color = getBorderColor(i);
            BorderPainter painter = getBorderPainter(i);

            double angle = i * Math.PI / 2;
            g2.setClip(g.getClip()); // Restore initial clip
            g2.translate(intCorners[i][0], intCorners[i][1]);
            g2.rotate(angle);
            g2.clip(shape);
            painter.paint(shape, g2, color, i);
            g2.rotate(-angle);
            g2.translate(-intCorners[i][0], -intCorners[i][1]);
        }
    }
    g2.dispose();
}
 

protected void paintBase(InstancePainter painter, boolean drawname, boolean ghost) {
	Direction dir = painter.getAttributeValue(StdAttr.FACING);
	Graphics2D g = (Graphics2D) painter.getGraphics();
	Bounds bds = painter.getBounds();
	int x = bds.getX();
	int y = bds.getY();
	int xp = x, yp = y;
	int width = bds.getWidth();
	int height = bds.getHeight();
	for (byte i = 0; i < this.pinnumber; i++) {
		if (i < this.pinnumber / 2) {
			if (dir == Direction.WEST || dir == Direction.EAST)
				xp = i * 20 + (10 - pinwidth / 2) + x;
			else
				yp = i * 20 + (10 - pinwidth / 2) + y;
		} else {
			if (dir == Direction.WEST || dir == Direction.EAST) {
				xp = (i - this.pinnumber / 2) * 20 + (10 - pinwidth / 2) + x;
				yp = height + y - pinheight;
			} else {
				yp = (i - this.pinnumber / 2) * 20 + (10 - pinwidth / 2) + y;
				xp = width + x - pinheight;
			}
		}
		if (dir == Direction.WEST || dir == Direction.EAST) {
			// fill the background of white if selected from preferences
			if (!ghost && AppPreferences.FILL_COMPONENT_BACKGROUND.getBoolean()) {
				g.setColor(Color.WHITE);
				g.fillRect(xp, yp, pinwidth, pinheight);
				g.setColor(Color.BLACK);
			}
			g.drawRect(xp, yp, pinwidth, pinheight);
		} else {
			// fill the background of white if selected from preferences
			if (!ghost && AppPreferences.FILL_COMPONENT_BACKGROUND.getBoolean()) {
				g.setColor(Color.WHITE);
				g.fillRect(xp, yp, pinheight, pinwidth);
				g.setColor(Color.BLACK);
			}
			g.drawRect(xp, yp, pinheight, pinwidth);
		}
	}
	if (dir == Direction.SOUTH) {
		// fill the background of white if selected from preferences
		if (!ghost && AppPreferences.FILL_COMPONENT_BACKGROUND.getBoolean()) {
			g.setColor(Color.WHITE);
			g.fillRoundRect(x + pinheight, y, bds.getWidth() - pinheight * 2, bds.getHeight(), 10, 10);
			g.setColor(Color.BLACK);
		}
		g.drawRoundRect(x + pinheight, y, bds.getWidth() - pinheight * 2, bds.getHeight(), 10, 10);
		g.drawArc(x + width / 2 - 7, y - 7, 14, 14, 180, 180);
	} else if (dir == Direction.WEST) {
		// fill the background of white if selected from preferences
		if (!ghost && AppPreferences.FILL_COMPONENT_BACKGROUND.getBoolean()) {
			g.setColor(Color.WHITE);
			g.fillRoundRect(x, y + pinheight, bds.getWidth(), bds.getHeight() - pinheight * 2, 10, 10);
			g.setColor(Color.BLACK);
		}
		g.drawRoundRect(x, y + pinheight, bds.getWidth(), bds.getHeight() - pinheight * 2, 10, 10);
		g.drawArc(x + width - 7, y + height / 2 - 7, 14, 14, 90, 180);
	} else if (dir == Direction.NORTH) {
		// fill the background of white if selected from preferences
		if (!ghost && AppPreferences.FILL_COMPONENT_BACKGROUND.getBoolean()) {
			g.setColor(Color.WHITE);
			g.fillRoundRect(x + pinheight, y, bds.getWidth() - pinheight * 2, bds.getHeight(), 10, 10);
			g.setColor(Color.BLACK);
		}
		g.drawRoundRect(x + pinheight, y, bds.getWidth() - pinheight * 2, bds.getHeight(), 10, 10);
		g.drawArc(x + width / 2 - 7, y + height - 7, 14, 14, 0, 180);
	} else {// east
		// fill the background of white if selected from preferences
		if (!ghost && AppPreferences.FILL_COMPONENT_BACKGROUND.getBoolean()) {
			g.setColor(Color.WHITE);
			g.fillRoundRect(x, y + pinheight, bds.getWidth(), bds.getHeight() - pinheight * 2, 10, 10);
			g.setColor(Color.BLACK);
		}
		g.drawRoundRect(x, y + pinheight, bds.getWidth(), bds.getHeight() - pinheight * 2, 10, 10);
		g.drawArc(x - 7, y + height / 2 - 7, 14, 14, 270, 180);
	}
	g.rotate(Math.toRadians(-dir.toDegrees()), x + width / 2, y + height / 2);
	if (drawname) {
		g.setFont(new Font(Font.DIALOG_INPUT, Font.BOLD, 14));
		GraphicsUtil.drawCenteredText(g, this.name, x + bds.getWidth() / 2, y + bds.getHeight() / 2 - 4);
	}
	if (dir == Direction.WEST || dir == Direction.EAST) {
		xp = x;
		yp = y;
	} else {
		xp = x + (width - height) / 2;
		yp = y + (height - width) / 2;
		width = bds.getHeight();
		height = bds.getWidth();
	}
	g.setFont(new Font(Font.DIALOG_INPUT, Font.BOLD, 7));
	GraphicsUtil.drawCenteredText(g, "Vcc", xp + 10, yp + pinheight + 4);
	GraphicsUtil.drawCenteredText(g, "GND", xp + width - 10, yp + height - pinheight - 7);
}
 

@Override
void rotate( Component c, Graphics2D g ) {
	g.rotate( Math.toRadians( 90 ), width / 2., height / 2. );
}
 

void rotate( Component c, Graphics2D g ) {
	if( !c.getComponentOrientation().isLeftToRight() )
		g.rotate( Math.toRadians( 180 ), width / 2., height / 2. );
}