图片质量下降很厉害

[GoogleCodeExporter]

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What is the expected output? What do you see instead?

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Original issue reported on code.google.com by zhangyan...@gmail.com on 8 Oct 2010 at 2:19

[GoogleCodeExporter]

不好意思，上面没写就提交了。

Original comment by zhangyan...@gmail.com on 8 Oct 2010 at 2:46

Attachments:

• QQ截图未命名.jpg

[GoogleCodeExporter]

package cn.zyj.Pintu;

import org.loon.framework.android.game.core.graphics.LColor;
import org.loon.framework.android.game.core.graphics.LImage;
import org.loon.framework.android.game.core.graphics.Screen;
import org.loon.framework.android.game.core.graphics.device.LGraphics;

import android.view.KeyEvent;
import android.view.MotionEvent;

public class GameScreen extends Screen  {

    private static final int STATE_RUNNING  = 1;
    private static final int STATE_FINISH   = 2;
    private static final int STATE_SHOWPIC  = 3;

    private int blocks[];
    LImage backImg, temImg, koImage;
    private LGraphics tmp_graphics;
    private int count, rs, cs, row, col, width, height;
    int state;

    public GameScreen (String file1, String file2, int row, int col){
        backImg = LImage.createImage("cn/zyj/Pintu/Image/backimage1.jpg");
        koImage = LImage.createImage("cn/zyj/Pintu/Image/over.png");
        this.width = backImg.getWidth(); 
        this.height = backImg.getHeight();
        temImg  = LImage.createImage(width, height);        
        tmp_graphics = temImg.getLGraphics();

        this.state = STATE_RUNNING;
        this.col = col;
        this.row = row;
        this.rs = width / row;
        this.cs = height / col;
        this.count = col * row;
        this.blocks = new int[count];
        initBlocks();
    }

    private void initBlocks() {
        for (int i = 0; i < count; i++) {
            blocks[i] = i;
        }

        int tem,r1,r2;
        for(int i = 0; i < 100; i++){
            r1 = (int)(count*Math.random());
            r2 = (int)(count*Math.random());

            tem = blocks[r1];
            blocks[r1] = blocks[r2];
            blocks[r2] = tem;
        }
    }

    @Override
    public void draw(LGraphics g) {
        // TODO Auto-generated method stub
        int ci,sx,sy,dx,dy;
        if(state == STATE_RUNNING){
            for(int i = 0; i < count; i++){
                ci = blocks[i];
                sx = blocks[i] % row * rs;
                sy = blocks[i] / row * cs;
                dx = i % row * rs;
                dy = i / row * cs;
                tmp_graphics.drawImage(backImg.getSubImage(sx, sy, rs, cs), dx, dy);
            }
            g.drawImage(temImg, 0, 0);
        }
        if(state == STATE_FINISH){
            g.drawImage(backImg, 0, 0);
            g.drawImage(koImage, 0, 0);
        }
        if(state == STATE_SHOWPIC){
            g.drawImage(backImg, 0, 0);
        }       
    }   

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent arg1) {
        // TODO Auto-generated method stub
        if(state == STATE_RUNNING){     
                state = STATE_SHOWPIC;
        }
        return true;
    }

    @Override
    public boolean onKeyUp(int arg0, KeyEvent arg1) {
        // TODO Auto-generated method stub
        if(state == STATE_SHOWPIC){
            state = STATE_RUNNING;
        }
        return true;
    }

    @Override
    public boolean onTouchDown(MotionEvent e) {
        // TODO Auto-generated method stub
        if(state == STATE_RUNNING){
            int tem,x,y;
            x = (int) (e.getX() / rs);
            y = (int) (e.getY() / cs);
            tem = blocks[0];
            blocks[0] = blocks[y*row+x];
            blocks[y*row+x] = tem;          
        }

        for(int i = 0; i < count; i++){
            if(blocks[i] != i){
                break;
            }
            if(i == count-1){
                state = STATE_FINISH;
            }
        }

        return true;
    }

    @Override
    public void onTouch(float arg0, float arg1, MotionEvent arg2, int arg3,
            int arg4) {
        // TODO Auto-generated method stub

    }

    @Override
    public boolean onTouchMove(MotionEvent arg0) {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public boolean onTouchUp(MotionEvent arg0) {
        // TODO Auto-generated method stub
        return false;
    }

}

Original comment by zhangyan...@gmail.com on 8 Oct 2010 at 2:47

[GoogleCodeExporter]

zhangyangjing兄您好：

出于效率考虑，LImage默认的图片加载方式按照RGB565进行，这��
�一种仅仅适合低彩画面（比如蜡笔游戏或早期游戏机那样的1
6色游戏）的色彩模式。如果您想提高画质，可以使用LImage.cre
ateImage("",true)或GraphicsUtils.load8888Image方式加载图片，前者色彩
模式为ARGB4444，后者为ARGB8888，具体细节文档中有提及，总之�
��式越高显示速度越慢……

Original comment by loontest@gmail.com on 8 Oct 2010 at 3:35