Example usage for java.awt Graphics clearRect

Introduction

In this page you can find the example usage for java.awt Graphics clearRect.

Prototype

public abstract void clearRect(int x, int y, int width, int height);

Source Link

Document

Clears the specified rectangle by filling it with the background color of the current drawing surface.

Usage

From source file:Main.java

public void paint(Graphics g) {
    g.setColor(Color.RED);
    g.clearRect(0, 0, 100, 100);

}

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From source file:TextLayoutWithMouseClickDrag.java

public void update(Graphics g) {
    g.clearRect(0, 0, getWidth(), getHeight());
    paintComponent(g);
}

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From source file:SlidePuzzle.java

public void paint(Graphics g) {
    if (m_fAllLoaded) {
        Rectangle r = g.getClipRect();
        g.clearRect(r.x, r.y, r.width, r.height);
        g.drawImage(logo, 0, 0, null);/*from   w  w  w.  j a  va2s  . com*/

    } else
        g.drawString("Loading images...", 10, 20);

}

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From source file:SwingTypeTester8.java

protected synchronized void paintComponent(Graphics gc) {
    Dimension d = getSize();//  w ww . j av a 2 s . c o  m
    gc.clearRect(0, 0, d.width, d.height);
    if (tmpChar[0] == 0)
        return;
    int charWidth = fm.charWidth((int) tmpChar[0]);
    gc.drawChars(tmpChar, 0, 1, (d.width - charWidth) / 2, fontHeight);
}

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From source file:SwingTypeTester8.java

public synchronized void paintComponent(Graphics gc) {
    if (tmpChar[0] == 0)
        return;/*from   w  w  w  . j  a v a  2  s .com*/
    Dimension d = getSize();
    int charWidth = fm.charWidth(tmpChar[0]);
    gc.clearRect(0, 0, d.width, d.height);
    gc.drawChars(tmpChar, 0, 1, curX++, fontHeight);
    if (curX > d.width - charWidth)
        curX = 0;
}

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From source file:Animator.java

/**
 * Paint the current frame./*  ww w  .  java2 s  .c om*/
 */
public void paint(Graphics g) {
    if (error || !loaded) {
        if (startUpImage != null) {
            if (tracker.checkID(STARTUP_ID)) {
                g.drawImage(startUpImage, 0, 0, this);
            }
        } else {
            if (backgroundImage != null) {
                if (tracker.checkID(BACKGROUND_ID)) {
                    g.drawImage(backgroundImage, 0, 0, this);
                }
            } else {
                g.clearRect(0, 0, maxWidth, maxHeight);
            }
        }
    } else {
        if ((images != null) && (images.size() > 0)) {
            if (frameNum < images.size()) {
                if (backgroundImage == null) {
                    offScrGC.fillRect(0, 0, maxWidth, maxHeight);
                } else {
                    offScrGC.drawImage(backgroundImage, 0, 0, this);
                }

                Image image = (Image) images.elementAt(frameNum);
                Point pos = null;
                if (positions != null) {
                    pos = (Point) positions.get(frameNumKey);
                }
                if (pos != null) {
                    xPos = pos.x;
                    yPos = pos.y;
                }
                offScrGC.drawImage(image, xPos, yPos, this);
                g.drawImage(offScrImage, 0, 0, this);
            } else {
                // no more animation, but need to draw something
                dbg("No more animation; drawing last image.");
                if (backgroundImage == null) {
                    g.fillRect(0, 0, maxWidth, maxHeight);
                } else {
                    g.drawImage(backgroundImage, 0, 0, this);
                }
                g.drawImage((Image) images.lastElement(), 0, 0, this);
            }
        }
    }
}

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From source file:userinterface.properties.GUIGraphHandler.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    g.clearRect(0, 0, this.getWidth(), this.getHeight());
}

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