| public SetLineDash ( float phase, float lenghts ) : void | ||
| phase | float | |
| lenghts | float | |
| 리턴 | void | |
public static void DrawLine(CGContext context, List<PointF> points, CGColor color, float lineWidth, bool closePath, bool dashed)
{
if (points == null)
throw new NullReferenceException();
if (points.Count == 0)
throw new ArgumentException("The line must have at least one point.");
context.SaveState();
context.SetStrokeColor(color);
context.SetLineWidth(lineWidth);
context.MoveTo(points[0].X, points[0].Y);
for(int a = 1; a < points.Count; a++)
context.AddLineToPoint(points[a].X, points[a].Y);
if (dashed)
context.SetLineDash(0, new float[2] { 1, 2 }, 2);
if (closePath)
context.ClosePath();
context.StrokePath();
context.RestoreState();
}
protected void HatchGrid(CGContext context)
{
var hatchSize = getHatchWidth (hatchStyle);
var lineWidth = getLineWidth (hatchStyle);
initializeContext(context, hatchSize, false);
/* draw background */
drawBackground (context, backColor, hatchSize, hatchSize);
/* draw lines in the foreground color */
context.SetStrokeColor(foreColor.ToCGColor());
context.SetLineWidth(lineWidth);
context.SetLineCap(CGLineCap.Square);
hatchSize -=HALF_PIXEL_X;
float yoffset = 0;
if (hatchStyle == HatchStyle.DottedGrid)
{
yoffset = 1;
float[] dash = new float[] { 1, 1};
context.SetLineDash(2,dash);
}
/* draw a horizontal line */
context.MoveTo(0,yoffset);
context.AddLineToPoint(0,hatchSize);
context.StrokePath();
/* draw a vertical line */
context.MoveTo(0,hatchSize);
context.AddLineToPoint(hatchSize, hatchSize);
context.StrokePath();
}
