void myDraw() {
float width, height;
width = getMeasuredWidth();
height = getMeasuredHeight();
canvas = holder.lockCanvas();
canvas.drawColor(Color.GREEN);
canvas.drawPath(path, paint);
holder.unlockCanvasAndPost(canvas);
}
public void mDraw() {
mCanvas = mHolder.lockCanvas(); // 获得画布对象,开始对画布画画
mCanvas.drawColor(++i); // 设置画布颜色为黑色
canvasMethod(mCanvas); // 调用自定义的方法,主要是在传进去的画布对象上画画
mHolder.unlockCanvasAndPost(mCanvas); // 把画布显示在屏幕上
}
public FlxGameView(FlxGame game, Context context, AttributeSet attrs) {
super(context, attrs);
SurfaceHolder holder = getHolder();
holder.addCallback(this);
this.activity = (Activity) context;
this.game = game;
this.setFocusable(true);
this.setFocusableInTouchMode(true);
}
// Setup
protected void onCreate(Bundle savedInstanceState) {
// Log.v("SDL", "onCreate()");
super.onCreate(savedInstanceState);
// So we can call stuff from static callbacks
mSingleton = this;
// Set up the surface
mSurface = new SDLSurface(getApplication());
setContentView(mSurface);
SurfaceHolder holder = mSurface.getHolder();
holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
}
/** 构造函数，主要对一些对象初始化 */
public MySurfaceView(Context context) {
super(context);
mHolder = this.getHolder(); // 获得SurfaceHolder对象
mHolder.addCallback(this); // 添加状态监听
mPaint = new Paint(); // 创建一个画笔对象
mPaint.setColor(Color.WHITE); // 设置画笔的颜色为白色
qPaint = new Paint(); // 创建一个画笔对象
qPaint.setAntiAlias(true); // 消除锯齿
qPaint.setStyle(Paint.Style.STROKE); // 设置画笔风格为描边
qPaint.setStrokeWidth(3); // 设置描边的宽度为3
qPaint.setColor(Color.GREEN); // 设置画笔的颜色为绿色
// 创建路径对象
mPath = new Path();
qPath = new Path();
tPath = new Path();
// 设置坐标为50,100
mX = 50;
mY = 100;
// 设置贝塞尔曲线的开始坐标为(10,200)
qStartX = 10;
qStartY = 200;
setFocusable(true); // 设置焦点
}
// Called when we have a valid drawing surface
@Override
public void surfaceCreated(SurfaceHolder holder) {
Log.v("SDL", "surfaceCreated()");
holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
// Set mIsSurfaceReady to 'true' *before* any call to handleResume
SDLActivity.mIsSurfaceReady = true;
}
public GLView(Activity context) {
super(context);
act = context;
glView = this;
initSurface = false;
initNative = false;
SurfaceHolder holder = getHolder();
holder.setType(SurfaceHolder.SURFACE_TYPE_GPU); // needed for Android 1.6
holder.addCallback(this);
mEglHelper = new EglHelper();
mEglHelper.start();
if (mEglHelper.configHasAlpha) holder.setFormat(PixelFormat.TRANSLUCENT);
// Log.i(logTag, "set surface type");
setFocusable(true);
setFocusableInTouchMode(true);
setKeepScreenOn(true);
}
/**
* 画整体chart图
*
* @param translatX chart图偏移量
*/
public void refreshChart(int translatX) {
synchronized (holder) {
translationChart(translatX);
if (holder != null) {
Canvas canvas = holder.lockCanvas();
if (canvas != null) {
canvas.drawColor(backColor);
drawGridLine(canvas);
drawChartLine(canvas);
drawLimitRect(canvas);
drawAxesLine(canvas);
drawYValueText(canvas);
holder.unlockCanvasAndPost(canvas);
}
}
}
}
public MyView(Context context) {
super(context);
paint = new Paint();
paint.setColor(Color.BLUE);
paint.setStyle(Paint.Style.STROKE); // 设置画笔风格为描边
paint.setStrokeWidth(10);
random = new Random();
setFocusable(true);
holder = getHolder();
holder.addCallback(this);
path = new Path();
}
@Override
public void run() {
while (running) {
Canvas c = null;
try {
c = surfaceHolder.lockCanvas(null);
synchronized (surfaceHolder) {
if (!game.onEnterFrame(c)) {
running = false;
game.shutdown(true);
view.shutdown();
}
}
} finally {
// do this in a finally so that if an exception is thrown
// during the above, we don't leave the Surface in an
// inconsistent state
if (c != null) {
surfaceHolder.unlockCanvasAndPost(c);
}
}
}
}
// Called when we have a valid drawing surface
@Override
public void surfaceCreated(SurfaceHolder holder) {
Log.v("SDL", "surfaceCreated()");
holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
}
public ChartView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
this.context = context;
holder = getHolder();
holder.addCallback(new ChartCallBack());
}
// Called when we have a valid drawing surface
@Override
public void surfaceCreated(SurfaceHolder holder) {
Log.v("SDL", "surfaceCreated()");
holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
enableSensor(Sensor.TYPE_ACCELEROMETER, true);
}