Java Utililty Methods Graphics Draw

List of utility methods to do Graphics Draw

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Description

The list of methods to do Graphics Draw are organized into topic(s).

Method

voiddrawFilledOctagon(Graphics2D g, int x, int y, float size)
Draw a filled octagon at the specified position with the specified size 
if (octagon == null) {
    octagon = new Polygon();
    octagon.addPoint(-3, -7); 
    octagon.addPoint(3, -7); 
    octagon.addPoint(7, -3); 
    octagon.addPoint(7, 3); 
    octagon.addPoint(3, 7); 
    octagon.addPoint(-3, 7); 
...
voiddrawFilter(Graphics g, Color c, double transparency, int midx, int midy, int rx, int ry)
Draw a filter with specified dimensions 
g.setColor(Color.BLACK);
g.drawOval(midx - rx, midy - ry, 2 * rx, 2 * ry);
if (c != null) {
    float[] carr = c.getRGBComponents(null);
    carr[3] *= transparency;
    g.setColor(new Color(carr[0], carr[1], carr[2], carr[3]));
    g.fillOval(midx - rx, midy - ry, 2 * rx, 2 * ry);
voiddrawFleche1(Graphics g, double x, double y, double x1, double y1, int L)
draw Fleche 
g.drawLine((int) x, (int) y, (int) x1, (int) y1);
double theta, delta;
if (x != x1) {
    theta = Math.atan((y1 - y) / (x1 - x));
    if (x > x1)
        theta += Math.PI;
} else {
    if (y < y1)
...
voiddrawFocus(Graphics g, int x, int y, int w, int h)
Draws a focus border. 
Graphics2D g2d = (Graphics2D) g;
Stroke old = g2d.getStroke();
g2d.setStroke(
        new BasicStroke(1f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_MITER, 1f, new float[] { 1f, 2f }, 1));
g2d.drawLine(x, y, x + w - 1, y);
g2d.drawLine(x, y + h, x + w - 1, y + h);
g2d.drawLine(x, y, x, y + h - 1);
g2d.drawLine(x + w, y, x + w, y + h - 1);
...
voiddrawFocus(Graphics2D g2, int iX, int iY, int iWidth, int iHeight)
Draw a focus rectangle on a graphics context. 
int FOCUSTRANSPARENCY = 96;
Color beforeColor = g2.getColor();
Stroke beforeStroke = g2.getStroke();
g2.setColor(new Color(255, 255, 255, FOCUSTRANSPARENCY));
g2.setStroke(new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 1.0f,
        new float[] { 1.0f, 1.0f }, 0.0f));
g2.drawRect(iX, iY, iWidth - 1, iHeight - 1);
g2.setColor(new Color(0, 0, 0, FOCUSTRANSPARENCY));
...
voiddrawFrank(Graphics g, int x, int y)
draw Frank 
g.setFont(new Font("Arial", Font.BOLD, 12));
g.setColor(Color.gray);
String s = "Quantum Workbench";
g.drawString(s, x + 1, y - 1);
g.drawString(s, x + 1, y + 1);
g.drawString(s, x - 1, y - 1);
g.drawString(s, x - 1, y + 1);
g.setColor(Color.white);
...
voiddrawGatter(Graphics g, int xDist, int yDist)
draw Gatter 
Graphics2D g2 = (Graphics2D) g;
g2.setStroke(gatterStroke);
g2.setPaint(new Color(230, 230, 230));
for (int x = 0; x < g2.getClipBounds().x + g2.getClipBounds().width; x += xDist) {
    g2.drawLine(x, 0, x, g2.getClipBounds().y + g2.getClipBounds().height);
for (int y = 0; y < g2.getClipBounds().y + g2.getClipBounds().height; y += yDist) {
    g2.drawLine(0, y, g2.getClipBounds().x + g2.getClipBounds().width, y);
...
voiddrawGlow(Graphics2D g2, Area area, double width, Color color)
draw Glow 
Shape oldClip = g2.getClip();
Stroke oldStroke = g2.getStroke();
Composite oldComposite = g2.getComposite();
Paint oldPaint = g2.getPaint();
AffineTransform at = g2.getTransform();
double pixelWidth = getScale(g2.getTransform()) * width;
int steps = Math.min(Math.max(2, (int) Math.floor(pixelWidth / 1.4)), 8);
Area newClip = new Area(oldClip);
...
voiddrawGroove(Graphics g, int x, int y, int w, int h, Color shadow, Color highlight)
draw Groove 
Color oldColor = g.getColor(); 
g.translate(x, y);
g.setColor(shadow);
g.drawRect(0, 0, w - 2, h - 2);
g.setColor(highlight);
g.drawLine(1, h - 3, 1, 1);
g.drawLine(1, 1, w - 3, 1);
g.drawLine(0, h - 1, w - 1, h - 1);
...
voiddrawGroove(Graphics g, int x, int y, int width, int height, Color shadow, Color highlight)
Draws a rectangle that appears etched into the surface, given two colors that are used for drawing. 
drawEtchedRect(g, x, y, width, height,  shadow,  highlight,
         shadow,  highlight);