m3g07
Class CompositingSample

java.lang.Object
  javax.microedition.lcdui.Displayable
      javax.microedition.lcdui.Canvas
          javax.microedition.lcdui.game.GameCanvas
              m3g07.CompositingSample

All Implemented Interfaces:

Sample

public class CompositingSample
extends javax.microedition.lcdui.game.GameCanvas
implements Sample

Demonstrates compositing with different blending modes.

Author:

Claus Hoefele

Field Summary

private static int	BLENDING_ALPHA Identifier representing blending mode ALPHA.
private static int	BLENDING_ALPHA_ADD Identifier representing blending mode ALPHA_ADD.
private static int	BLENDING_MODULATE Identifier representing blending mode MODULATE.
private static int	BLENDING_MODULATE_X2 Identifier representing blending mode MODULATE_X2.
private static int	BLENDING_REPLACE Identifier representing blending mode REPLACE.
private javax.microedition.m3g.CompositingMode	compositingMode The second mesh's compositing attributes.
private int	currentBlending Current blending mode.
private javax.microedition.lcdui.Graphics	graphics 2D graphics singleton used for rendering.
private javax.microedition.m3g.Graphics3D	graphics3d 3D graphics singleton used for rendering.
private javax.microedition.m3g.Mesh	mesh1 First mesh for display.
private javax.microedition.m3g.Mesh	mesh2 Second mesh for display.
private javax.microedition.m3g.Transform	meshTransform The mesh's transformation.
private static int	NUMBER_OF_BLENDINGS Number of blending modes.

Fields inherited from class javax.microedition.lcdui.game.GameCanvas

DOWN_PRESSED, FIRE_PRESSED, GAME_A_PRESSED, GAME_B_PRESSED, GAME_C_PRESSED, GAME_D_PRESSED, LEFT_PRESSED, RIGHT_PRESSED, UP_PRESSED

Fields inherited from class javax.microedition.lcdui.Canvas

DOWN, FIRE, GAME_A, GAME_B, GAME_C, GAME_D, KEY_NUM0, KEY_NUM1, KEY_NUM2, KEY_NUM3, KEY_NUM4, KEY_NUM5, KEY_NUM6, KEY_NUM7, KEY_NUM8, KEY_NUM9, KEY_POUND, KEY_STAR, LEFT, RIGHT, UP

Constructor Summary

CompositingSample()
Constructor.

Method Summary

void	destroy() Destroys the sample.
private void	drawMenu(javax.microedition.lcdui.Graphics graphics) Draws a menu for the current key assignments.
void	init() Initializes the sample.
protected void	keyPressed(int keyCode) Handles key presses.
private void	render(javax.microedition.lcdui.Graphics graphics) Renders the sample.
private void	setBlending(javax.microedition.m3g.CompositingMode compositingMode, int mode) Sets the current blending mode.

Methods inherited from class javax.microedition.lcdui.game.GameCanvas

flushGraphics, flushGraphics, getGraphics, getKeyStates, paint

Methods inherited from class javax.microedition.lcdui.Canvas

getGameAction, getKeyCode, getKeyName, hasPointerEvents, hasPointerMotionEvents, hasRepeatEvents, hideNotify, isDoubleBuffered, keyReleased, keyRepeated, pointerDragged, pointerPressed, pointerReleased, repaint, repaint, serviceRepaints, setCommandListener, setFullScreenMode, showNotify, sizeChanged

Methods inherited from class javax.microedition.lcdui.Displayable

addCommand, getHeight, getTicker, getTitle, getWidth, isShown, removeCommand, setTicker, setTitle

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mesh1

private javax.microedition.m3g.Mesh mesh1

First mesh for display.

mesh2

private javax.microedition.m3g.Mesh mesh2

Second mesh for display.

meshTransform

private javax.microedition.m3g.Transform meshTransform

The mesh's transformation.

compositingMode

private javax.microedition.m3g.CompositingMode compositingMode

The second mesh's compositing attributes.

BLENDING_ALPHA

private static final int BLENDING_ALPHA

Identifier representing blending mode ALPHA.

See Also:

Constant Field Values

BLENDING_ALPHA_ADD

private static final int BLENDING_ALPHA_ADD

Identifier representing blending mode ALPHA_ADD.

See Also:

Constant Field Values

BLENDING_MODULATE

private static final int BLENDING_MODULATE

Identifier representing blending mode MODULATE.

See Also:

Constant Field Values

BLENDING_MODULATE_X2

private static final int BLENDING_MODULATE_X2

Identifier representing blending mode MODULATE_X2.

See Also:

Constant Field Values

BLENDING_REPLACE

private static final int BLENDING_REPLACE

Identifier representing blending mode REPLACE.

See Also:

Constant Field Values

NUMBER_OF_BLENDINGS

private static final int NUMBER_OF_BLENDINGS

Number of blending modes.

See Also:

Constant Field Values

currentBlending

private int currentBlending

Current blending mode.

graphics3d

private javax.microedition.m3g.Graphics3D graphics3d

3D graphics singleton used for rendering.

graphics

private javax.microedition.lcdui.Graphics graphics

2D graphics singleton used for rendering.

Constructor Detail

CompositingSample

public CompositingSample()

Constructor.

Method Detail

init

public void init()

Initializes the sample.

Specified by:

init in interface Sample

destroy

public void destroy()

Destroys the sample.

Specified by:

destroy in interface Sample

setBlending

private void setBlending(javax.microedition.m3g.CompositingMode compositingMode,
                         int mode)

Sets the current blending mode.

Parameters:

compositingMode - compositing attributes.

mode - blending mode.

render

private void render(javax.microedition.lcdui.Graphics graphics)

Renders the sample.

Parameters:

graphics - graphics context for rendering.

keyPressed

protected void keyPressed(int keyCode)

Handles key presses.

Overrides:

keyPressed in class javax.microedition.lcdui.Canvas

Parameters:

keyCode - key code.

drawMenu

private void drawMenu(javax.microedition.lcdui.Graphics graphics)

Draws a menu for the current key assignments.

Parameters:

graphics - graphics context for drawing.