protected override bool OnDrawn(Cairo.Context cr)
{
if (this.isDirty)
{
this.Rebuild();
}
bool baseDrawnResult = base.OnDrawn(cr);
cr.SetFontSize(FONT_HEIGHT);
cr.SelectFontFace("Mono", FontSlant.Normal, FontWeight.Normal);
cr.Rectangle(0.0, 0.0, this.allocRect.Width, this.allocRect.Height);
cr.SetSourceRGB(1, 1, 1);
cr.Fill();
var gradient = new LinearGradient(0.0, 0.0, 0.0, this.allocRect.Height);
gradient.AddColorStopRgb(0.0, new Color(0.4, 0.4, 0.4));
gradient.AddColorStopRgb(0.1, new Color(1.0, 1.0, 1.0));
gradient.AddColorStopRgb(0.2, new Color(0.6, 0.6, 0.6));
gradient.AddColorStopRgb(1.0, new Color(0.1, 0.1, 0.1));
cr.LineWidth = 1;
foreach (var box in this.boxen)
{
this.RoundedRect(cr, box.Rect, 4.0);
cr.SetSource(gradient);
cr.FillPreserve();
cr.SetSourceRGB(0, 0, 0);
cr.Stroke();
int x = (int)(box.Rect.X + TAGBOX_PADDING * 2 + TAGBOX_XSIZE);
int y = (int)(box.Rect.Y + box.Rect.Height / 2 + cr.FontExtents.Height / 2 - cr.FontExtents.Descent / 2);
cr.MoveTo(x, y);
cr.TextPath(box.Tag);
cr.SetSourceRGB(1.0, 1.0, 1.0);
cr.Fill();
cr.MoveTo(box.Rect.X + TAGBOX_PADDING + TAGBOX_XOFFSET, box.Rect.Y + TAGBOX_PADDING + TAGBOX_XOFFSET);
cr.RelLineTo(TAGBOX_XSIZE - TAGBOX_XOFFSET * 2, TAGBOX_XSIZE - TAGBOX_XOFFSET * 2);
cr.MoveTo(box.Rect.X + TAGBOX_PADDING + TAGBOX_XOFFSET, box.Rect.Y + TAGBOX_PADDING + TAGBOX_XSIZE - TAGBOX_XOFFSET);
cr.RelLineTo(TAGBOX_XSIZE - TAGBOX_XOFFSET * 2, -TAGBOX_XSIZE + TAGBOX_XOFFSET * 2);
cr.Stroke();
}
return(baseDrawnResult);
}
public override void RealRenderCairo(Cairo.Context context)
{
if (Camera.IsRendererOutOfScreen(this))
{
return;
}
Vector2 screenPos = Camera.WorldToScreenPosition(gameObject.transform.position);
double realSize = (double)gameObject.transform.LocalToWorldLength(size);
context.MoveTo(screenPos.ToPointD());
context.SetSourceRGBA(ColorR, ColorG, ColorB, ColorA);
context.SetFontSize(realSize);
context.TextPath(text);
context.Fill();
}
static void draw(Cairo.Context gr, int width, int height)
{
gr.Scale(width, height);
gr.LineWidth = 0.04;
gr.SelectFontFace("Sans", FontSlant.Normal, FontWeight.Bold);
gr.SetFontSize(0.35);
gr.MoveTo(new PointD(0.04, 0.53));
gr.ShowText("Hello");
gr.MoveTo(new PointD(0.27, 0.65));
gr.TextPath("void");
gr.ColorRgb = new Color(0.5, 0.5, 1, 0);
gr.FillPreserve();
gr.ColorRgb = new Color(0, 0, 0, 0);
gr.LineWidth = 0.01;
gr.Stroke();
gr.Color = new Color(1, 0.2, 0.2, 0.6);
gr.Arc(0.04, 0.53, 0.02, 0, 2 * M_PI);
gr.Arc(0.27, 0.65, 0.02, 0, 2 * M_PI);
gr.Fill();
}
public void text(Context cr, int width, int height)
{
Normalize (cr, width, height);
cr.SelectFontFace("Sans", FontSlant.Normal, FontWeight.Bold);
cr.SetFontSize(0.35);
cr.MoveTo(0.04, 0.53);
cr.ShowText("Hello");
cr.MoveTo(0.27, 0.65);
cr.TextPath("void");
cr.Save();
cr.Color = new Color (0.5,0.5,1);
cr.Fill();
cr.Restore();
cr.LineWidth = 0.01;
cr.Stroke();
// draw helping lines
cr.Color = new Color (1.0, 0.2, 0.2, 0.6);
cr.Arc(0.04, 0.53, 0.02, 0, 2*Math.PI);
cr.Arc(0.27, 0.65, 0.02, 0, 2*Math.PI);
cr.Fill();
}
