public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
String message = "Hello, World!";
Font f = new Font("Serif", Font.BOLD, 36);
g2.setFont(f);
FontRenderContext context = g2.getFontRenderContext();
Rectangle2D bounds = f.getStringBounds(message, context);
double x = (getWidth() - bounds.getWidth()) / 2;
double y = (getHeight() - bounds.getHeight()) / 2;
double ascent = -bounds.getY();
double baseY = y + ascent;
g2.drawString(message, (int) x, (int) baseY);
g2.setPaint(Color.LIGHT_GRAY);
g2.draw(new Line2D.Double(x, baseY, x + bounds.getWidth(), baseY));
Rectangle2D rect = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
g2.draw(rect);
}
/**
* Gets the page count of this section.
*
* @param g2 the graphics context
* @param pf the page format
* @return the number of pages needed
*/
public int getPageCount(Graphics2D g2, PageFormat pf) {
if (message.equals("")) return 0;
FontRenderContext context = g2.getFontRenderContext();
Font f = new Font("Serif", Font.PLAIN, 72);
Rectangle2D bounds = f.getStringBounds(message, context);
scale = pf.getImageableHeight() / bounds.getHeight();
double width = scale * bounds.getWidth();
int pages = (int) Math.ceil(width / pf.getImageableWidth());
return pages;
}
protected void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
int w = getWidth();
int h = getHeight();
// Draw ordinate.
g2.draw(new Line2D.Double(Points, Points, Points, h - Points));
// Draw abcissa.
g2.draw(new Line2D.Double(Points, h - Points, w - Points, h - Points));
// Draw labels.
Font font = g2.getFont();
FontRenderContext frc = g2.getFontRenderContext();
LineMetrics lm = font.getLineMetrics("0", frc);
float sh = lm.getAscent() + lm.getDescent();
// Ordinate label.
String s = "Strecke";
float sy = Points + ((h - 2 * Points) - s.length() * sh) / 2 + lm.getAscent();
for (int i = 0; i < s.length(); i++) {
String letter = String.valueOf(s.charAt(i));
float sw = (float) font.getStringBounds(letter, frc).getWidth();
float sx = (Points - sw) / 2;
g2.drawString(letter, sx, sy);
sy += sh;
}
// Abcissa label.
s = "Datum";
sy = h - Points + (Points - sh) / 2 + lm.getAscent();
float sw = (float) font.getStringBounds(s, frc).getWidth();
float sx = (w - sw) / 2;
g2.drawString(s, sx, sy);
// Draw lines.
double xInc = (double) (w - 2 * Points) / (data.length - 1);
double scale = (double) (h - 2 * Points) / getMax();
g2.setPaint(Color.green.darker());
for (int i = 0; i < data.length - 1; i++) {
double x1 = Points + i * xInc;
double y1 = h - Points - scale * data[i];
double x2 = Points + (i + 1) * xInc;
double y2 = h - Points - scale * data[i + 1];
g2.draw(new Line2D.Double(x1, y1, x2, y2));
}
// Mark data points.
g2.setPaint(Color.red);
for (int i = 0; i < data.length; i++) {
double x = Points + i * xInc;
double y = h - Points - scale * data[i];
g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
}
}
public void drawPage(Graphics2D g2, PageFormat pf, int page) {
if (message.equals("")) return;
page--; // account for cover page
drawCropMarks(g2, pf);
g2.clip(new Rectangle2D.Double(0, 0, pf.getImageableWidth(), pf.getImageableHeight()));
g2.translate(-page * pf.getImageableWidth(), 0);
g2.scale(scale, scale);
FontRenderContext context = g2.getFontRenderContext();
Font f = new Font("Serif", Font.PLAIN, 72);
TextLayout layout = new TextLayout(message, f, context);
AffineTransform transform = AffineTransform.getTranslateInstance(0, layout.getAscent());
Shape outline = layout.getOutline(transform);
g2.draw(outline);
}
private Shape generateShapeFromText() {
Font font = new Font(fontFamily, Font.PLAIN, fontSize);
BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = img.createGraphics();
try {
GlyphVector vect = font.createGlyphVector(g2.getFontRenderContext(), str);
float dispX = x;
float dispY = (float) (y - vect.getVisualBounds().getY());
Shape shape = vect.getOutline(dispX, dispY);
return shape;
} finally {
g2.dispose();
}
}
protected float drawBoxedString(Graphics2D g2, String s, Color c1, Color c2, double x) {
// Calculate the width of the string.
FontRenderContext frc = g2.getFontRenderContext();
TextLayout subLayout = new TextLayout(s, mFont, frc);
float advance = subLayout.getAdvance();
// Fill the background rectangle with a gradient.
GradientPaint gradient = new GradientPaint((float) x, 0, c1, (float) (x + advance), 0, c2);
g2.setPaint(gradient);
Rectangle2D bounds = mLayout.getBounds();
Rectangle2D back = new Rectangle2D.Double(x, 0, advance, bounds.getHeight());
g2.fill(back);
// Draw the string over the gradient rectangle.
g2.setPaint(Color.white);
g2.setFont(mFont);
g2.drawString(s, (float) x, (float) -bounds.getY());
return advance;
}
protected void drawText(Graphics2D g2) {
// Find the bounds of the entire string.
FontRenderContext frc = g2.getFontRenderContext();
mLayout = new TextLayout(mMessage, mFont, frc);
// Find the dimensions of this component.
int width = getSize().width;
int height = getSize().height;
// Place the first full string, horizontally centered,
// at the bottom of the component.
Rectangle2D bounds = mLayout.getBounds();
double x = (width - bounds.getWidth()) / 2;
double y = height - bounds.getHeight();
drawString(g2, x, y, 0);
// Now draw a second version, anchored to the right side
// of the component and rotated by -PI / 2.
drawString(g2, width - bounds.getHeight(), y, -Math.PI / 2);
}
public void paintComponent(Graphics g) {
// необходиом чтобы текст коректно отрисовывался в окне
super.paintComponent(g);
// рисуем текст в окне
Graphics2D g2 = (Graphics2D) g;
AffineTransform t = g2.getTransform();
g.drawString("It is text", 5, 5);
// создание шрифта
Font f = new Font("SanasSerif", Font.ITALIC, 20);
g2.setFont(f);
g2.drawString("It is new text", 5, 33);
String[] fontNames =
GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
for (int i = 5; i < 20; i++) {
g2.rotate(-0.05);
g2.setColor(
new Color(
(int) (Math.random() * 255),
(int) (Math.random() * 255),
(int) (Math.random() * 255)));
Font f1 = new Font(fontNames[i], Font.BOLD, 20);
g2.setFont(f1);
g2.drawString(fontNames[i], 5, 20 * i);
}
// текст в центре
g2.setTransform(t); // возращение к кординатам, которые запонилив начале
Font f2 = new Font("SanasSerif", Font.ITALIC, 20);
g2.setFont(f2);
String s = "It is center!";
FontRenderContext context = g2.getFontRenderContext();
Rectangle2D r = f2.getStringBounds(s, context);
double x1 = (getWidth() - r.getWidth()) / 2;
double y1 = (getHeight() - r.getHeight()) / 2;
double ascent = -r.getY(); // узнаем высоту текста
double y2 = y1 + ascent;
Rectangle2D rect = new Rectangle2D.Double(x1, y1, r.getWidth(), r.getHeight());
g2.setColor(Color.YELLOW);
g2.fill(rect);
g2.setColor(Color.red);
g2.drawString(s, (int) x1, (int) y2);
g2.setColor(Color.blue);
g2.draw(new Line2D.Double(x1, y2, x1 + r.getWidth(), y2));
g2.draw(rect);
}
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
String message = "Hello, World!";
Font f = new Font("Serif", Font.BOLD, 36);
g2.setFont(f);
// measure the size of the message
FontRenderContext context = g2.getFontRenderContext();
Rectangle2D bounds = f.getStringBounds(message, context);
// set (x,y) = top left corner of text
double x = (getWidth() - bounds.getWidth()) / 2;
double y = (getHeight() - bounds.getHeight()) / 2;
// add ascent to y to reach the baseline
double ascent = -bounds.getY();
double baseY = y + ascent;
// draw the message
g2.drawString(message, (int) x, (int) baseY);
g2.setPaint(Color.LIGHT_GRAY);
// draw the baseline
g2.draw(new Line2D.Double(x, baseY, x + bounds.getWidth(), baseY));
// draw the enclosing rectangle
Rectangle2D rect = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
g2.draw(rect);
}
public void paintValue(Graphics g, Rectangle box) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
double[] values = (double[]) getValue();
StringBuilder s = new StringBuilder();
for (int i = 0; i < 3; i++) {
if (values.length > i) s.append(values[i]);
if (values.length > i + 1) s.append(", ");
}
if (values.length > 3) s.append("...");
g2.setPaint(Color.white);
g2.fill(box);
g2.setPaint(Color.black);
FontRenderContext context = g2.getFontRenderContext();
Rectangle2D stringBounds = g2.getFont().getStringBounds(s.toString(), context);
double w = stringBounds.getWidth();
double x = box.x;
if (w < box.width) x += (box.width - w) / 2;
double ascent = -stringBounds.getY();
double y = box.y + (box.height - stringBounds.getHeight()) / 2 + ascent;
g2.drawString(s.toString(), (float) x, (float) y);
}
protected void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
int w = getWidth();
int h = getHeight();
double xScale = (w - 2 * PAD) / (xMax - xMin);
double yScale = (h - 2 * PAD) / (yMax - yMin);
if (firstTime) System.out.printf("xScale = %.1f yScale = %.1f%n", xScale, yScale);
Point2D.Double origin = new Point2D.Double(); // Axes origin.
Point2D.Double offset = new Point2D.Double(); // Locate data.
if (xMax < 0) {
origin.x = w - PAD;
offset.x = origin.x - xScale * xMax;
} else if (xMin < 0) {
origin.x = PAD - xScale * xMin;
offset.x = origin.x;
} else {
origin.x = PAD;
offset.x = PAD - xScale * xMin;
}
if (yMax < 0) {
origin.y = h - PAD;
offset.y = origin.y - yScale * yMax;
} else if (yMin < 0) {
origin.y = PAD - yScale * yMin;
offset.y = origin.y;
} else {
origin.y = PAD;
offset.y = PAD - yScale * yMin;
}
if (firstTime) {
System.out.printf("origin = [%6.1f, %6.1f]%n", origin.x, origin.y);
System.out.printf("offset = [%6.1f, %6.1f]%n", offset.x, offset.y);
}
// Draw abcissa.
g2.draw(new Line2D.Double(PAD, origin.y, w - PAD, origin.y));
// Draw ordinate.
g2.draw(new Line2D.Double(origin.x, PAD, origin.x, h - PAD));
g2.setPaint(Color.red);
// Mark origin.
g2.fill(new Ellipse2D.Double(origin.x - 2, origin.y - 2, 4, 4));
// Plot data.
g2.setPaint(Color.blue);
for (int i = 0; i < x.length; i++) {
double x1 = offset.x + xScale * x[i];
double y1 = offset.y + yScale * y[i];
if (firstTime) System.out.printf("i = %d x1 = %6.1f y1 = %.1f%n", i, x1, y1);
g2.fill(new Ellipse2D.Double(x1 - 2, y1 - 2, 4, 4));
g2.drawString(String.valueOf(i), (float) x1 + 3, (float) y1 - 3);
}
// Draw extreme data values.
g2.setPaint(Color.black);
Font font = g2.getFont();
FontRenderContext frc = g2.getFontRenderContext();
LineMetrics lm = font.getLineMetrics("0", frc);
String s = String.format("%.1f", xMin);
float width = (float) font.getStringBounds(s, frc).getWidth();
double x = offset.x + xScale * xMin;
g2.drawString(s, (float) x, (float) origin.y + lm.getAscent());
s = String.format("%.1f", xMax);
width = (float) font.getStringBounds(s, frc).getWidth();
x = offset.x + xScale * xMax;
g2.drawString(s, (float) x - width, (float) origin.y + lm.getAscent());
s = String.format("%.1f", yMin);
width = (float) font.getStringBounds(s, frc).getWidth();
double y = offset.y + yScale * yMin;
g2.drawString(s, (float) origin.x + 1, (float) y + lm.getAscent());
s = String.format("%.1f", yMax);
width = (float) font.getStringBounds(s, frc).getWidth();
y = offset.y + yScale * yMax;
g2.drawString(s, (float) origin.x + 1, (float) y);
if (firstTime) System.out.println("------------------------------");
firstTime = false;
}
// also clip, transform, composite,
// public boolean isOpaque(){return false;}//theOpaque!=null&&theOpaque;}
// ---------------------------------------------------------
private void doPaint(Graphics2D g, int s, Object o) {
// process an operation from the buffer
// System.out.println(s);
Object o1 = null,
o2 = null,
o3 = null,
o4 = null,
o5 = null,
o6 = null,
o7 = null,
o8 = null,
o9 = null,
o10 = null,
o11 = null;
if (o instanceof Object[]) {
Object[] a = (Object[]) o;
if (a.length > 0) o1 = a[0];
if (a.length > 1) o2 = a[1];
if (a.length > 2) o3 = a[2];
if (a.length > 3) o4 = a[3];
if (a.length > 4) o5 = a[4];
if (a.length > 5) o6 = a[5];
if (a.length > 6) o7 = a[6];
if (a.length > 7) o8 = a[7];
if (a.length > 8) o9 = a[8];
if (a.length > 9) o10 = a[9];
if (a.length > 10) o11 = a[10];
}
switch (s) {
case clear:
paintBackground(g, theBackground);
break;
// public void addRenderingHints(Map<?,?> hints)
// {toBuffer("addRenderingHints",hints );}
case addRenderingHints:
g.addRenderingHints((Map<?, ?>) o);
break;
case clip1:
g.clip((Shape) o);
break;
case draw1:
g.draw((Shape) o);
break;
case draw3DRect:
g.draw3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
break;
case drawGlyphVector:
g.drawGlyphVector((GlyphVector) o1, (Float) o2, (Float) o3);
break;
case drawImage1:
g.drawImage((BufferedImage) o1, (BufferedImageOp) o2, (Integer) o3, (Integer) o4);
break;
case drawImage2:
g.drawImage((Image) o1, (AffineTransform) o2, (ImageObserver) o3);
break;
case drawRenderableImage:
g.drawRenderableImage((RenderableImage) o1, (AffineTransform) o2);
break;
case drawRenderedImage:
g.drawRenderedImage((RenderedImage) o1, (AffineTransform) o2);
break;
case drawString1:
g.drawString((AttributedCharacterIterator) o1, (Float) o2, (Float) o3);
break;
case drawString2:
g.drawString((AttributedCharacterIterator) o1, (Integer) o2, (Integer) o3);
break;
case drawString3:
g.drawString((String) o1, (Float) o2, (Float) o3);
break;
case drawString4:
g.drawString((String) o1, (Integer) o2, (Integer) o3);
break;
case fill:
g.fill((Shape) o);
break;
case fill3DRect:
g.fill3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
break;
case rotate1:
g.rotate((Double) o);
break;
case rotate2:
g.rotate((Double) o1, (Double) o2, (Double) o3);
break;
case scale1:
g.scale((Double) o1, (Double) o2);
break;
case setBackground:
g.setBackground(
(Color) o); // paintBackground(g,(Color)o); /*super.setBackground((Color)o) ;*/
break;
case setComposite:
g.setComposite((Composite) o);
break;
case setPaint:
g.setPaint((Paint) o);
break;
case setRenderingHint:
g.setRenderingHint((RenderingHints.Key) o1, o2);
break;
case setRenderingHints:
g.setRenderingHints((Map<?, ?>) o);
break;
case setStroke:
g.setStroke((Stroke) o);
break;
case setTransform:
g.setTransform(makeTransform(o));
break;
case shear:
g.shear((Double) o1, (Double) o2);
break;
case transform1:
g.transform(makeTransform(o));
break;
case translate1:
g.translate((Double) o1, (Double) o2);
break;
case translate2:
g.translate((Integer) o1, (Integer) o2);
break;
case clearRect:
g.clearRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case copyArea:
g.copyArea(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case drawArc:
g.drawArc(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case drawBytes:
g.drawBytes((byte[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
break;
case drawChars:
g.drawChars((char[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
break;
case drawImage4:
g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (Color) o4, (ImageObserver) o5);
break;
case drawImage5:
g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (ImageObserver) o4);
break;
case drawImage6:
g.drawImage(
(Image) o1,
(Integer) o2,
(Integer) o3,
(Integer) o4,
(Integer) o5,
(Color) o6,
(ImageObserver) o7);
break;
case drawImage7:
g.drawImage(
(Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (ImageObserver) o6);
break;
case drawImage8:
g.drawImage(
(Image) o1,
(Integer) o2,
(Integer) o3,
(Integer) o4,
(Integer) o5,
(Integer) o6,
(Integer) o7,
(Integer) o8,
(Integer) o9,
(Color) o10,
(ImageObserver) o11);
break;
case drawImage9:
g.drawImage(
(Image) o1,
(Integer) o2,
(Integer) o3,
(Integer) o4,
(Integer) o5,
(Integer) o6,
(Integer) o7,
(Integer) o8,
(Integer) o9,
(ImageObserver) o10);
break;
case drawLine:
g.drawLine((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case drawOval:
g.drawOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case drawPolygon1:
g.drawPolygon((int[]) o1, (int[]) o2, (Integer) o3);
break;
case drawPolygon2:
g.drawPolygon((Polygon) o);
break;
case drawPolyline:
g.drawPolyline((int[]) o1, (int[]) o2, (Integer) o3);
break;
case drawRect:
g.drawRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case drawRoundRect:
g.drawRoundRect(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case fillArc:
g.fillArc(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case fillOval:
g.fillOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
// {toBuffer("fillPolygon",mkArg(xPoints, yPoints, nPoints) );}
case fillPolygon1:
g.fillPolygon((int[]) o1, (int[]) o2, (Integer) o3);
break;
case fillPolygon2:
g.fillPolygon((Polygon) o);
break;
case fillRect:
g.fillRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case fillRoundRect:
g.fillRoundRect(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case setClip1:
g.setClip((Shape) o);
break;
case setColor:
g.setColor((Color) o);
break;
case setFont:
g.setFont((Font) o);
break;
case setPaintMode:
g.setPaintMode();
break;
case setXORMode:
g.setXORMode((Color) o);
break;
case opaque:
super.setOpaque((Boolean) o);
break;
case drawOutline: // g.drawString((String)o1, (Integer)o2, (Integer)o3) ;break;
{
FontRenderContext frc = g.getFontRenderContext();
TextLayout tl = new TextLayout((String) o1, g.getFont(), frc);
Shape s1 = tl.getOutline(null);
AffineTransform af = g.getTransform();
g.translate((Integer) o2, (Integer) o3);
g.draw(s1);
g.setTransform(af);
}
;
break;
default:
System.out.println("Unknown image operation " + s);
}
}
/** [Advanced] */
public FontRenderContext getFontRenderContext() {
Graphics2D g = getG();
return g == null ? null : g.getFontRenderContext();
}