XPlayer/ColorRectDrawer.xcsm at master · ixlang/XPlayer · GitHub

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//xlang Source, Name:ColorRectDrawer.xcsm
//Date: Sat Apr 00:39:17 2019

class ColorRectDrawer : EfficDrawer{

    static const int WIDTH_COUNT = 30,
					 HWIGHT_COUNT = 20;


	bool create() override {

		return true;
	}

	void prepare() override {
		//TODO:

	}

	void drawWave(QXPainter c, int w, int h) override {
		short [] data = getEfficData();
        int offset = getCurrentOffset(WIDTH_COUNT);
        if (offset < 0){
			return ;
        }

        c.setRenderHint(QXPainter.RenderHint.Antialiasing,true);

        //linepaint.setAlpha(255);

        double ocx = w / (WIDTH_COUNT - 1);
        double ocy = h / (HWIGHT_COUNT - 1);

        int cx = ocx - 2;
        int cy = ocy - 2;

        for (int x = 0; x < WIDTH_COUNT; x ++){
            double rv = (1.f - Math.abs(data[offset + x] / 32768.f)) * h;
            for (int y = 0; y < HWIGHT_COUNT; y++){
				double t = h / HWIGHT_COUNT * y;
                if (t > rv){
					c.fillRect(x * ocx + 1, y * ocy + 1,cx,cy, 0xff000000 | (int)(Math.random() * 0x00ffffff), QXBrush.Style.SolidPattern);
                }else{
					c.fillRect(x * ocx + 1, y * ocy + 1,cx,cy, 0x20ffffff, QXBrush.Style.SolidPattern);
                }
            }
        }
	}


};