public override void OnRender(DrawingContext dc)
{
if (this._pts != null)
{
dc.DrawPolygon(base.Fill, base.Stroke, this._pts);
}
}
public static void Render(DrawingContext dc, CanvasData cd)
{
foreach (var data in _dataStore)
{
switch (data.Type)
{
case DrawType.Elipse:
foreach (var point in data.Points)
{
dc.DrawEllipse(GetBrush(data.Color), null, point.ToCanvasPoint(), DebugDrawSize, DebugDrawSize);
}
break;
case DrawType.PolyLine:
var points = RadarCanvas.GrahamScan.GrahamScanCompute(data.Points).Select(p => p.ToCanvasPoint());
dc.DrawPolygon(points, GetBrush(data.Color));
break;
case DrawType.Text:
var txtPos = data.Points.First().ToCanvasPoint();
txtPos.Y += 15;
var gr = DrawingUtilities.CreateGlyphRun(data.Name, 10, txtPos);
dc.DrawGlyphRun(GetBrush(data.Color), gr);
break;
}
}
}
/// <summary>
/// Override the OnRender and draw using the DrawingContext that is passed
/// in.
/// </summary>
/// <param name="dc"></param>
public override void OnRender(DrawingContext dc)
{
// Paint the background.
dc.DrawRectangle(new SolidColorBrush(ColorUtility.ColorFromRGB(128, 0, 255)), new Pen(ColorUtility.ColorFromRGB(128, 0, 255)), 0, 0, Width, Height);
// Draw some circles.
for (int i = 0; i < 3; i++)
{
dc.DrawEllipse(new SolidColorBrush(ColorUtility.ColorFromRGB((byte)(64 * i), 128, 128)), new Pen(ColorUtility.ColorFromRGB(255, (byte)(64 * i), 255)), Width / 5, Height / 5, i * (Width / 10 - (i * 2)), i * (Height / 10 - (i * 2)));
}
// Draw some lines.
for (int i = 0; i < 20; i++)
{
dc.DrawLine(new Pen(ColorUtility.ColorFromRGB((byte)(16 * i),
(byte)(16 * (20 - i)), (byte)(16 * (2 * i)))),
_random.Next(Width / 2) + Width / 3,
_random.Next(Height / 3) + Height / 3,
_random.Next(Width / 4) + Width / 2,
_random.Next(Height / 4) + Height / 2);
}
// Draw a rectangle.
dc.DrawRectangle(new SolidColorBrush(ColorUtility.ColorFromRGB(255, 0, 0)), new Pen(ColorUtility.ColorFromRGB(0, 0, 255)), Width - 40, 0, 30, 100);
// Draw a polyline.
int[] points = { 10, 230, 30, 210, 0, 180, 30, 130, 50, 130, 80, 180, 50, 210, 70, 230 };
if (Width > Height)
{
for (int i = 1; i < points.Length; i += 2)
{
points[i] -= 20;
}
}
dc.DrawPolygon(new SolidColorBrush(ColorUtility.ColorFromRGB(32, 0, 128)), new Pen(ColorUtility.ColorFromRGB(0, 0, 0)), points);
// Draw some text.
dc.DrawText(Resource.GetString(Resource.StringResources.DrawTextSample), Resource.GetFont(Resource.FontResources.NinaB), ColorUtility.ColorFromRGB(255, 255, 255), _random.Next(Width / 4), Height - 20);
}
public override void OnRender(DrawingContext dc)
{
if (_pushClippingRectangle)
{
try
{
dc.PushClippingRectangle(x0, y0, xDimension, yDimension);
}
catch (ArgumentException ex)
{
Log.Comment("Caught " + ex.Message + " when Pushing a clipping rectangle at (" + x0 + ", " + y0 + ")" +
" and Width = " + xDimension + " Height = " + yDimension);
_argumentException = true;
}
}
if (_popClippingRectangle)
{
dc.PopClippingRectangle();
}
if (_getClippingRectangle)
{
dc.GetClippingRectangle(out x1, out y1, out wd, out ht);
}
if (_drawLine)
{
dc.DrawLine(_pen, x0, y0, x1, y1);
}
if (_drawRectangle)
{
try
{
dc.DrawRectangle(_brush, _pen, r, s, xDimension, yDimension);
}
catch (ArgumentException ex)
{
Log.Comment("Caught " + ex.Message + " when drawing a Rectangle at (" + r + ", " + s + ")" +
" Width = " + xDimension + " Height = " + yDimension);
_argumentException = true;
}
}
if (_drawEllipse)
{
dc.DrawEllipse(_brush, _pen, r, s, xDimension, yDimension);
}
if (_drawPolygon)
{
dc.DrawPolygon(_brush, _pen, pts);
}
if (_clear)
{
dc.Clear();
}
if (_setPixel)
{
dc.SetPixel(_color, r, s);
}
if (_drawImage)
{
try
{
dc.DrawImage(bmp1, r, s);
}
catch (NullReferenceException ex)
{
Log.Comment("Caught " + ex.Message + " when drawing a null Image");
_nullReferenceException = true;
}
}
if (_drawCroppedImage)
{
try
{
dc.DrawImage(bmp1, r, s, x0, y0, xDimension, yDimension);
}
catch (ArgumentException ex)
{
Log.Comment("Caught " + ex.Message + " when drawing an Image at (" + r + ", " + s + ")" +
"from a source Image at(" + x0 + ", " + y0 + ") Width = " + xDimension + " Height = " + yDimension);
_argumentException = true;
}
catch (NullReferenceException ex)
{
Log.Comment("Caught " + ex.Message + " when drawing a null Image");
_nullReferenceException = true;
}
}
if (_translate)
{
dc.Translate(r, s);
}
if (_blendImage)
{
dc.BlendImage(bmp2, x0, y0, x1, y1, xDimension, yDimension, _opacity);
}
if (_drawText)
{
_textFits = dc.DrawText(ref _str, _font, _color, r, s, xDimension, yDimension, _alignment, _trimming);
}
base.OnRender(dc);
_pBitmap = dc.Bitmap;
Master_Media.autoEvent.Set();
}
