Canvas größe ändern

Bitmap bmp=Bitmap.screateBitmap(width,height,Config.ARGB_8888);

Canvas tempCanvas=new Canvas(bmp);

Bitmap scaledBMP = Bitmap.createScaledBitmap(bmp,screenWidth,screenHeight,true);

screenCanvas.drawBitmap(scaledBitmap,0,0,paint oder null);

@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                             WindowManager.LayoutParams.FLAG_FULLSCREEN);

        // Handle posts from UI Thread
        handler = new Handler();


        // CHECK ORIENTATION - SET X Y SIZE
        boolean isLandscape = getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
        int frameBufferWidth = isLandscape ? 480 : 320;
        int frameBufferHeight = isLandscape ? 320 : 480;

        // Declaration of frameBuffer
        Bitmap frameBuffer = Bitmap.createBitmap(frameBufferWidth, frameBufferHeight, Config.RGB_565);

        // Declare display metrics
        DisplayMetrics display = new DisplayMetrics();

        // Get/Set display size
        getWindowManager().getDefaultDisplay().getMetrics(display);


        int w = display.widthPixels;
        int h = display.heightPixels;

        // Set scale Size
        float scaleX = (float) frameBufferWidth / w;
        float scaleY = (float) frameBufferHeight / h;

        // IMPLEMENTATION OF INTERFACES
        renderView = new AndroidFastRenderView(this, frameBuffer);          // FrameBuffer Renderview
        graphics = new AndroidGraphics(getAssets(), frameBuffer);           // Graphics
        fileIO = new AndroidFileIO(this);                                   // FileIO
        audio = new AndroidAudio(this);                                     // Audio
        input = new AndroidInput(this, renderView, scaleX, scaleY);         // Input

        // Set start Screen (needs Override)
        screen = getStartScreen();

        //set view
        setContentView(renderView);

        //wakelock
        PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
        wakeLock = powerManager.newWakeLock(PowerManager.FULL_WAKE_LOCK, "GLGame");
    }

public class AndroidFastRenderView extends SurfaceView implements Runnable {

    AndroidGame game;
    Bitmap framebuffer;
    Thread renderThread = null;
    SurfaceHolder holder;
    Paint paint;

    volatile boolean running = false;


    public AndroidFastRenderView(AndroidGame game, Bitmap framebuffer) {
        super(game);
        this.game = game;
        this.framebuffer = framebuffer;
        this.holder = getHolder();
        paint = new Paint();
    }

    public void resume() {
        running = true;
        renderThread = new Thread(this);
        renderThread.start();
    }

    public void run() {
        Rect dstRect = new Rect();
        long startTime = System.nanoTime();
        int fpsCount = 0;
        float lastTime = 0;
        float totalTime = 0;
        float firstTime = 0;
        float deltaTime2=0;
        float fps = 0;
        String FPS = "";

        while (running) {
            firstTime = System.nanoTime();
            if (!holder.getSurface().isValid())
                continue;
            float deltaTime = (System.nanoTime() - startTime) / 1000000000.0f;
            startTime = System.nanoTime();

            game.getCurrentScreen().update(deltaTime);
            game.getCurrentScreen().present(deltaTime);

            Canvas canvas = holder.lockCanvas();
            canvas.getClipBounds(dstRect);
            canvas.drawBitmap(framebuffer, null, dstRect, null);

            fpsCount++;
            lastTime = System.nanoTime();
            deltaTime2 = lastTime - firstTime;
            totalTime = totalTime + deltaTime2;

            if(fpsCount >= 20) {
                fps = ((1000000000) / (totalTime / fpsCount));
                fps = (int) fps;
                FPS = "FPS: " + fps;

                totalTime = 0;
                fpsCount = 0;
            }

            paint.setTypeface(Typeface.DEFAULT_BOLD);
            paint.setTextSize(canvas.getHeight()/25);
            paint.setTextAlign(Paint.Align.LEFT);
            paint.setColor(Color.WHITE);
            canvas.drawText(FPS, canvas.getWidth() / 3, canvas.getHeight()/5,paint);
            holder.unlockCanvasAndPost(canvas);
        }
    }

    @Override
    public void drawPixmap(Pixmap pixmap, int x, int y, int srcX, int srcY, int srcWidth, int srcHeight) {
        srcRect.left = srcX;
        srcRect.top = srcY;
        srcRect.right = srcX + srcWidth;
        srcRect.bottom = srcY + srcHeight;
        dstRect.left = x;
        dstRect.top = y;
        dstRect.right = x + srcWidth;
        dstRect.bottom = y + srcHeight;
        //System.out.println(srcRect.left + " "+ srcRect.top+" "+srcRect.right+ " "+srcRect.bottom);
        canvas.drawBitmap(((AndroidPixmap) pixmap).bitmap, srcRect, dstRect, null);
    }
    @Override
    public void drawPixmapT(Pixmap pixmap, int x, int y, int srcX, int srcY, int srcWidth, int srcHeight, int transparancy) {
        srcRect.left = srcX;
        srcRect.top = srcY;
        srcRect.right = srcX + srcWidth;
        srcRect.bottom = srcY + srcHeight;
        dstRect.left = x;
        dstRect.top = y;
        dstRect.right = x + srcWidth;
        dstRect.bottom = y + srcHeight;

        paint.setAlpha(transparancy);
        canvas.drawBitmap(((AndroidPixmap) pixmap).bitmap, srcRect, dstRect, null);
        paint.setAlpha(100);
    }

    @Override
    public void drawPixmap(Pixmap pixmap, int x, int y) {
        canvas.drawBitmap(((AndroidPixmap)pixmap).bitmap, x, y, null);
    }