(libgdx学习)pixmap(2较完整版的基础API)

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package com.example.groupactiontest;import com.badlogic.gdx.ApplicationListener;import com.badlogic.gdx.Gdx;import com.badlogic.gdx.Input.Keys;import com.badlogic.gdx.Input.Peripheral;import com.badlogic.gdx.graphics.Color;import com.badlogic.gdx.graphics.GL10;import com.badlogic.gdx.graphics.Pixmap;import com.badlogic.gdx.graphics.Pixmap.Format;import com.badlogic.gdx.graphics.Texture;import com.badlogic.gdx.graphics.g2d.SpriteBatch;import com.badlogic.gdx.graphics.g2d.TextureRegion;public class MyGame implements ApplicationListener {SpriteBatch batch;Texture texture;TextureRegion region;Pixmap pixmap;@Overridepublic void create() {batch = new SpriteBatch();texture = new Texture(1024, 1024, Format.RGBA8888);pixmap = new Pixmap(800, 480, Format.RGBA8888);pixmap.setColor(Color.BLUE);//设置pixmap的颜色pixmap.drawLine(0, 0, 100, 100);//画一条线pixmap.drawCircle(150, 150, 32);//画一个空心圆pixmap.drawRectangle(0, 0, 100, 100);//画一个空心矩形pixmap.fillCircle(200, 200, 32);//画一个实心圆pixmap.fillRectangle(0, 200, 50, 50);//画一个实心矩形//使用pixmap来画一张图pixmap.drawPixmap(new Pixmap(Gdx.files.internal("grass.png")), 300, 0);//pixmap.getPixel(10, 240):把(10,240)这个像素点的颜色(RGB8888的形式)System.out.println("--------->" + pixmap.getPixel(10, 240) );;pixmap.drawPixel(150, 10, 65535);//将(150,10)这个点的像素的颜色设置为蓝色(以RGB8888的格式)texture.draw(pixmap, 0, 0);//在texture上面套一个pixmap图层region = new TextureRegion(texture,800,480);/** * pixmap.getWidth() * pixmap.getHeight() * pixmap.getFormat() *  * 获取pixmap定义是的宽、高、格式 */System.out.println("----------->pixmap.getWidth(): " + pixmap.getWidth() + ",pixmap.getHeight() " + pixmap.getHeight()+ ",pixmap.getFormat()"+pixmap.getFormat());}@Overridepublic void dispose() {// TODO Auto-generated method stub}@Overridepublic void pause() {// TODO Auto-generated method stub}@Overridepublic void render() {Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);batch.begin();batch.draw(region, 0, 0);batch.end();}@Overridepublic void resize(int arg0, int arg1) {// TODO Auto-generated method stub}@Overridepublic void resume() {// TODO Auto-generated method stub}}
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