package com.xenoage.zong.renderer.stamping;
import com.xenoage.utils.color.Color;
import com.xenoage.utils.math.geom.Point2f;
import com.xenoage.zong.musiclayout.stampings.SlurStamping;
import com.xenoage.zong.musiclayout.stampings.Stamping;
import com.xenoage.zong.musiclayout.stampings.bitmap.BitmapStaff;
import com.xenoage.zong.renderer.RendererArgs;
import com.xenoage.zong.renderer.canvas.Canvas;
import com.xenoage.zong.renderer.canvas.CanvasFormat;
import com.xenoage.zong.renderer.slur.SimpleSlurShape;
/**
* Renderer for a {@link SlurStamping}.
*
* @author Andreas Wenger
*/
public class SlurRenderer
extends StampingRenderer {
/**
* 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.black;
/* //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);
}
}