TranslateCTM() 공개 메소드

public TranslateCTM ( float tx, float ty ) : void
tx float
ty float
리턴 void
예제 #1
0
		internal static void Draw (CGContext ctx, object layout, double x, double y)
		{
			LayoutInfo li = (LayoutInfo)layout;
			using (CTFrame frame = CreateFrame (li)) {
				if (frame == null)
					return;

				CTLine ellipsis = null;
				bool ellipsize = li.Width.HasValue && li.TextTrimming == TextTrimming.WordElipsis;
				if (ellipsize)
					ellipsis = new CTLine (CreateAttributedString (li, "..."));

				float lineHeight = li.Font.Ascender - li.Font.Descender + li.Font.Leading;

				ctx.SaveState ();
				ctx.TextMatrix = CGAffineTransform.MakeScale (1f, -1f);
				ctx.TranslateCTM ((float)x, (float)y + li.Font.Ascender);
				foreach (var line in frame.GetLines ()) {
					ctx.TextPosition = PointF.Empty;
					if (ellipsize) // we need to create a new CTLine here because the framesetter already truncated the text for the line
						new CTLine (CreateAttributedString (li, li.Text.Substring (line.StringRange.Location)))
							.GetTruncatedLine (li.Width.Value, CTLineTruncation.End, ellipsis).Draw (ctx);
					else
						line.Draw (ctx);
					ctx.TranslateCTM (0, lineHeight);
				}
				ctx.RestoreState ();
			}
		}
예제 #2
0
 public static void DrawText(CGContext context, string text, string fontName, float fontSize, float translateHeight, float x, float y)
 {
     context.SaveState();
     context.SelectFont(fontName, fontSize, CGTextEncoding.MacRoman);
     context.SetTextDrawingMode(CGTextDrawingMode.Fill);
     context.SetFillColor(new CGColor(1, 1));
     context.SetStrokeColor(new CGColor(1.0f, 1.0f));
     //context.AddRect(rectText);
     //context.Clip();
     context.TextMatrix = CGAffineTransform.MakeScale(1.0f, -1.0f);
     context.TranslateCTM(0, translateHeight);
     context.ScaleCTM(1, -1);
     context.ShowTextAtPoint(x, y, text);
     context.RestoreState();
 }
예제 #3
0
        internal static void Draw(CGContext ctx, object layout, double x, double y)
        {
            LayoutInfo li = (LayoutInfo)layout;
            if (li.Framesetter == null)
                return;

            CGPath path = new CGPath ();
            path.AddRect (new RectangleF (0, 0, li.Width ?? float.MaxValue, li.Height ?? float.MaxValue));
            CTFrame frame = li.Framesetter.GetFrame (new NSRange (0, li.Text.Length), path, null);

            CTLine ellipsis = null;
            bool ellipsize = li.Width.HasValue && li.TextTrimming == TextTrimming.WordElipsis;
            if (ellipsize)
                ellipsis = new CTLine (CreateAttributedString (li, "..."));

            float lineHeight = layoutManager.DefaultLineHeightForFont (li.Font);

            ctx.SaveState ();
            ctx.TextMatrix = CGAffineTransform.MakeScale (1f, -1f);
            ctx.TranslateCTM ((float)x, (float)y + li.Font.Ascender);
            foreach (var line in frame.GetLines ()) {
                ctx.TextPosition = PointF.Empty;
                if (ellipsize) // we need to create a new CTLine here because the framesetter already truncated the text for the line
                    new CTLine (CreateAttributedString (li, li.Text.Substring (line.StringRange.Location)))
                        .GetTruncatedLine (li.Width.Value, CTLineTruncation.End, ellipsis).Draw (ctx);
                else
                    line.Draw (ctx);
                ctx.TranslateCTM (0, lineHeight);
            }
            ctx.RestoreState ();
        }