textsample.java

这是手机下载网络图像源码 共初学者参考

/*
 * @(#)TextSample.java	1.2 03/01/22
 *
 * Copyright (c) 2000-2003 Sun Microsystems, Inc. All rights reserved. 
 * PROPRIETARY/CONFIDENTIAL
 * Use is subject to license terms
 */

package example.chooser;

import javax.microedition.lcdui.*;

/**
 * A Text sample.  This screen can be used to display a Sample string.
 * using the Face, Style, Size and foreground and background color.
 */
public class TextSample extends Canvas {
    int face;
    int style;
    int size;
    int bgcolor;
    int fgcolor;
    /** The sample text */
    String text = "Sample Text";

    /**
     * Create a new TextSample canvas.
     */    
    public TextSample() {
	fgcolor = 0xffffff;
	bgcolor = 0x000000;
	size = Font.SIZE_MEDIUM;
	face = Font.FACE_SYSTEM;
	style = Font.STYLE_PLAIN;
    }

    /**
     * Set the Style of font to display.
     * @param style to which to set the font
     * @see Font#getStyle
     */
    public void setStyle(int style) {
	this.style = style;
    }

    /**
     * Get the style of font currently being displayed.
     * @return the font style
     * @see Font#getStyle
     */
    public int getStyle() {
	return style;
    }


    /**
     * Set the Face of font to display.
     * @param face to which to set the font
     * @see Font#getFace
     */
    public void setFace(int face) {
	this.face = face;
    }

    /**
     * Get the face of font currently being displayed.
     * @return the current font face
     * @see Font#getFace
     */
    public int getFace() {
	return face;
    }


    /**
     * Set the Size of font to display.
     * @param size to which the font should be set
     * @see Font#getSize
     */
    public void setSize(int size) {
	this.size = size;
    }

    /**
     * Get the size of font currently being displayed.
     * @return The current size of font.
     * @see Font#getSize
     */
    public int getSize() {
	return size;
    }

    /**
     * Set the Color of font to display.
     * @param color a new foreground color
     */
    public void setForegroundColor(int color) {
	fgcolor = color;
    }

    /**
     * Get the color of font currently being displayed.
     * @return the foreground color
     */
    public int getForegroundColor() {
	return fgcolor;
    }

    /**
     * Set the Color of font to display.
     * @param color a new background color
     */
    public void setBackgroundColor(int color) {
	bgcolor = color;
    }

    /**
     * Get the color of font currently being displayed.
     * @return the background color
     */
    public int getBackgroundColor() {
	return bgcolor;
    }

    /** The width of the border. */
    static final int border = 2;

    /**
     * Paint the canvas with the current color and controls to change it.
     * @param g the graphics context to which to paint
     */
    protected void paint(Graphics g) {

	int w = getWidth();
	int h = getHeight();

	// Fill the background
	g.setColor(bgcolor);
	g.fillRect(0, 0, w, h);

	g.setColor(fgcolor);
	Font font = Font.getFont(face, style, size);
	g.setFont(font);
	g.drawString(text, 2, border,  Graphics.LEFT|Graphics.TOP);
    }
}