Admin: 1 версия

2010-06-01T05:00:22Z

1 версия

в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

Новая страница

== change font and draw string ==



<source lang="java">
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
public class J2METextExample extends MIDlet {
private Display display;
private MyCanvas canvas;
public J2METextExample() {
display = Display.getDisplay(this);
canvas = new MyCanvas(this);
}
protected void startApp() {
display.setCurrent(canvas);
}
protected void pauseApp() {
}
protected void destroyApp(boolean unconditional) {
}
public void exitMIDlet() {
destroyApp(true);
notifyDestroyed();
}
}
class MyCanvas extends Canvas implements CommandListener {
private Command exit;
private J2METextExample textExample;
public MyCanvas(J2METextExample textExample) {
this.textExample = textExample;
exit = new Command("Exit", Command.EXIT, 1);
addCommand(exit);
setCommandListener(this);
}
protected void paint(Graphics graphics) {
graphics.setColor(255, 0, 0);
graphics.setFont(Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_BOLD, Font.SIZE_SMALL));
graphics.drawString("Profound statement.", 50, 10, Graphics.HCENTER | Graphics.BASELINE);
}
public void commandAction(Command command, Displayable displayable) {
if (command == exit) {
textExample.exitMIDlet();
}
}
}</source>



== Draw Rectangle and string ==



<source lang="java">
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
public class BoxTextMIDlet extends MIDlet {
public void startApp() {
Displayable d = new BoxTextCanvas();
d.addCommand(new Command("Exit", Command.EXIT, 0));
d.setCommandListener(new CommandListener() {
public void commandAction(Command c, Displayable s) {
notifyDestroyed();
}
});
Display.getDisplay(this).setCurrent(d);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
}
class BoxTextCanvas extends Canvas {
private Font mFont;
public BoxTextCanvas() {
mFont = Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_PLAIN, Font.SIZE_LARGE);
}
public void paint(Graphics g) {
int w = getWidth();
int h = getHeight();
g.setColor(0xffffff);
g.fillRect(0, 0, w, h);
g.setColor(0x000000);
String s = "dolce";
int stringWidth = mFont.stringWidth(s);
int stringHeight = mFont.getHeight();
int x = (w - stringWidth) / 2;
int y = h / 2;
g.setFont(mFont);
g.drawString(s, x, y, Graphics.TOP | Graphics.LEFT);
g.drawRect(x, y, stringWidth, stringHeight);
}
}</source>



== Draw string ==



<source lang="java">
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
public class DrawStringGraphicsMIDlet extends MIDlet {
private Display display;
protected void startApp() {
Canvas canvas = new LineCanvas();
display = Display.getDisplay(this);
display.setCurrent(canvas);
}
protected void pauseApp() {
}
protected void destroyApp(boolean unconditional) {
}
}
class LineCanvas extends Canvas {
public void paint(Graphics g) {
int width = getWidth();
int height = getHeight();
g.setColor(0);
g.setStrokeStyle(Graphics.SOLID);
g.drawString("Top left", 0, 0, Graphics.TOP | Graphics.LEFT);

}
}</source>



== Draw string on the top and left ==



<source lang="java">
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
public class TextMIDlet extends MIDlet {
public void startApp() {
Displayable d = new TextCanvas();
d.addCommand(new Command("Exit", Command.EXIT, 0));
d.setCommandListener(new CommandListener() {
public void commandAction(Command c, Displayable s) {
notifyDestroyed();
}
});
Display.getDisplay(this).setCurrent(d);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
}
class TextCanvas extends Canvas {
public void paint(Graphics g) {
int w = getWidth();
int h = getHeight();
g.setColor(0xffffff);
g.fillRect(0, 0, w, h);
g.setColor(0x000000);
g.drawString("corner", 0, 0, Graphics.TOP | Graphics.LEFT);
}
}</source>



== Draw string to the base line and horizontal center ==



<source lang="java">
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
public class HorizontalCenterTextMIDlet extends MIDlet {
public void startApp() {
Displayable d = new TextCanvas();
d.addCommand(new Command("Exit", Command.EXIT, 0));
d.setCommandListener(new CommandListener() {
public void commandAction(Command c, Displayable s) {
notifyDestroyed();
}
});
Display.getDisplay(this).setCurrent(d);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
}
class TextCanvas extends Canvas {
public void paint(Graphics g) {
int w = getWidth();
int h = getHeight();
g.setColor(0xffffff);
g.fillRect(0, 0, w, h);
g.setColor(0x000000);
g.drawString("AAA", w / 2, h / 2, Graphics.BASELINE | Graphics.HCENTER);
}
}</source>



== Draw string to the bottom and right ==



<source lang="java">
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
public class BottomRightTextMIDlet extends MIDlet {
public void startApp() {
Displayable d = new TextCanvas();
d.addCommand(new Command("Exit", Command.EXIT, 0));
d.setCommandListener(new CommandListener() {
public void commandAction(Command c, Displayable s) {
notifyDestroyed();
}
});
Display.getDisplay(this).setCurrent(d);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
}
class TextCanvas extends Canvas {
public void paint(Graphics g) {
int w = getWidth();
int h = getHeight();
g.setColor(0xffffff);
g.fillRect(0, 0, w, h);
g.setColor(0x000000);
g.drawString("corner", w, h, Graphics.BOTTOM | Graphics.RIGHT);
}
}</source>



== Draw string to the bottom left ==



<source lang="java">
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
public class BottomLeftTextMIDlet extends MIDlet {
public void startApp() {
Displayable d = new TextCanvas();
d.addCommand(new Command("Exit", Command.EXIT, 0));
d.setCommandListener(new CommandListener() {
public void commandAction(Command c, Displayable s) {
notifyDestroyed();
}
});
Display.getDisplay(this).setCurrent(d);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
}
class TextCanvas extends Canvas {
public void paint(Graphics g) {
int w = getWidth();
int h = getHeight();
g.setColor(0xffffff);
g.fillRect(0, 0, w, h);
g.setColor(0x000000);
g.drawString("corner", 0, h, Graphics.BOTTOM | Graphics.LEFT);
}
}</source>



== Draw string to the top and right ==



<source lang="java">
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.rumand;
import javax.microedition.lcdui.rumandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
public class TopRightTextMIDlet extends MIDlet {
public void startApp() {
Displayable d = new TextCanvas();
d.addCommand(new Command("Exit", Command.EXIT, 0));
d.setCommandListener(new CommandListener() {
public void commandAction(Command c, Displayable s) {
notifyDestroyed();
}
});
Display.getDisplay(this).setCurrent(d);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
}
class TextCanvas extends Canvas {
public void paint(Graphics g) {
int w = getWidth();
int h = getHeight();
g.setColor(0xffffff);
g.fillRect(0, 0, w, h);
g.setColor(0x000000);
g.drawString("corner", w, 0, Graphics.TOP | Graphics.RIGHT);
}
}</source>



== Draw string with font setting ==



<source lang="java">
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
public class StringFontSettingGraphicsMIDlet extends MIDlet {
private Display display;
protected void startApp() {
Canvas canvas = new LineCanvas();
display = Display.getDisplay(this);
display.setCurrent(canvas);
}
protected void pauseApp() {
}
protected void destroyApp(boolean unconditional) {
}
}
class LineCanvas extends Canvas {
public void paint(Graphics g) {
int width = getWidth();
int height = getHeight();
g.setColor(0);
g.setStrokeStyle(Graphics.SOLID);
Font font = g.getFont();
g.drawString("Below top left", 0, font.getHeight(), Graphics.TOP | Graphics.LEFT);
}
}</source>

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Java Tutorial/J2ME/Draw String - История изменений

Admin: 1 версия

в 17:44, 31 мая 2010