Examples with SimpleSlurShape com.xenoage.zong.renderer.slur.SimpleSlurShape used on opensource projects

Example 1 with SimpleSlurShape

use of com.xenoage.zong.renderer.slur.SimpleSlurShape in project Zong by Xenoage.

the class SlurRenderer method draw.

/**
 * Draws the given {@link SlurStamping} on the given {@link Canvas},
 * using the given {@link RendererArgs}.
 */
@Override
public void draw(Stamping stamping, Canvas canvas, RendererArgs args) {
    SlurStamping slur = (SlurStamping) stamping;
    float scaling = args.targetScaling;
    // compute absolute coordinates in px
    float p1xMm = slur.p1.xMm;
    float p2xMm = slur.p2.xMm;
    float c1xMm = p1xMm + slur.c1.xMm;
    float c2xMm = p2xMm + slur.c2.xMm;
    float p1yMm = 0, p2yMm = 0, c1yMm = 0, c2yMm = 0;
    if (canvas.getFormat() == CanvasFormat.Raster) {
        float staff1YMm = slur.staff1.positionMm.y;
        float staff2YMm = slur.staff2.positionMm.y;
        BitmapStaff screenStaff1 = slur.staff1.getBitmapInfo().getBitmapStaff(scaling);
        BitmapStaff screenStaff2 = slur.staff2.getBitmapInfo().getBitmapStaff(scaling);
        float bottomLineMm1 = staff1YMm + screenStaff1.lp0Mm;
        float bottomLineMm2 = staff2YMm + screenStaff2.lp0Mm;
        float isMm1 = screenStaff1.interlineSpaceMm;
        float isMm2 = screenStaff2.interlineSpaceMm;
        p1yMm = bottomLineMm1 - isMm1 * slur.p1.lp / 2;
        p2yMm = bottomLineMm2 - isMm2 * slur.p2.lp / 2;
        c1yMm = p1yMm - isMm1 * slur.c1.lp / 2;
        c2yMm = p2yMm - isMm2 * slur.c2.lp / 2;
    } else if (canvas.getFormat() == CanvasFormat.Vector) {
        p1yMm = slur.staff1.computeYMm(slur.p1.lp);
        p2yMm = slur.staff2.computeYMm(slur.p2.lp);
        c1yMm = slur.staff1.computeYMm(slur.p1.lp + slur.c1.lp);
        c2yMm = slur.staff2.computeYMm(slur.p2.lp + slur.c2.lp);
    }
    Point2f p1 = new Point2f(p1xMm, p1yMm);
    Point2f p2 = new Point2f(p2xMm, p2yMm);
    Point2f c1 = new Point2f(c1xMm, c1yMm);
    Point2f c2 = new Point2f(c2xMm, c2yMm);
    Color color = Color.Companion.getBlack();
    /* //TEST
		Point2i lastPoint = new Point2i(MathTools.bezier(p1, p2, c1, c2, 0));
		for (int i = 1; i <= iterations; i++)
		{
			float t = 1f * i / iterations;
			float width = 0.7f + (0.5f - Math.abs(t - 0.5f)) * 2.5f;
			Point2i p = new Point2i(MathTools.bezier(p1, p2, c1, c2, t));
		  params.renderTarget.drawLine(lastPoint, p, color, MathTools.clampMin((int) (scaling * width), 1));
		  lastPoint = p;
		} */
    SimpleSlurShape slurShape = new SimpleSlurShape(p1, p2, c1, c2, slur.staff1.is);
    canvas.fillPath(slurShape.getPath(), color);
}