public void DrawPositionedText(byte[] text, SKPoint[] points, SKPaint paint)
{
canvas.DrawPositionedText(text, points, paint);
if (calculateBounds)
{
displayObject.addBoundingPoints(points);
}
}
private void PaintCanvas(object sender, SKPaintSurfaceEventArgs e)
{
int surfaceWidth = e.Info.Width;
int surfaceHeight = e.Info.Height;
SKCanvas canvas = e.Surface.Canvas;
SKPaint paint = new SKPaint();
paint.Color = SKColors.Black;
paint.StrokeWidth = 15;
paint.Style = SKPaintStyle.Stroke;
canvas.Clear();
if (StaticSKInfo.drawCorners)
{
var path = new SKPath();
ConvertCoordinates(StaticSKInfo.corners);
path.AddPoly(StaticSKInfo.corners);
canvas.DrawPath(path, paint);
StaticSKInfo.drawCorners = false;
ConvertCoordinates(StaticSKInfo.centres);
int i = 0;
foreach (var c in StaticSKInfo.centres)
{
SKPaint textPaint = new SKPaint
{
Style = SKPaintStyle.Stroke,
StrokeWidth = 1,
FakeBoldText = true,
Color = SKColors.Black
};
SKPaint textPaint2 = new SKPaint
{
Style = SKPaintStyle.Stroke,
StrokeWidth = 1,
FakeBoldText = true,
Color = SKColors.DarkGreen
};
textPaint.TextSize = 100f;
textPaint2.TextSize = 100f;
if (StaticSKInfo.solvedNumbers[i] != 0)
{
canvas.DrawPositionedText(StaticSKInfo.solvedNumbers[i].ToString(), new SKPoint[] { c }, textPaint2);
}
canvas.DrawPositionedText(StaticSKInfo.detectedNumbers[i] == 0 ? "" : StaticSKInfo.detectedNumbers[i].ToString(), new SKPoint[] { c }, textPaint);
i++;
}
}
}
public static void DrawShapedText(this SKCanvas canvas, SKShaper shaper, string text, float x, float y, SKPaint paint)
{
if (canvas == null)
throw new ArgumentNullException(nameof(canvas));
if (shaper == null)
throw new ArgumentNullException(nameof(shaper));
if (text == null)
throw new ArgumentNullException(nameof(text));
if (paint == null)
throw new ArgumentNullException(nameof(paint));
if (string.IsNullOrEmpty(text))
return;
// shape the text
var result = shaper.Shape(text, x, y, paint);
// draw the text
using (var paintClone = paint.Clone())
{
paintClone.TextEncoding = SKTextEncoding.GlyphId;
paintClone.Typeface = shaper.Typeface;
var bytes = result.Codepoints.Select(cp => BitConverter.GetBytes((ushort)cp)).SelectMany(b => b).ToArray();
canvas.DrawPositionedText(bytes, result.Points, paintClone);
}
}
public void Render(SKCanvas canvas, SKPoint point)
{
Top = point.Y;
canvas.SetMatrix(SKMatrix.MakeTranslation(point.X, (float)(point.Y + Height)));
foreach (var item in RenderList)
{
canvas.DrawPositionedText(item.Text.Text, item.Text.Points, item.Paint);
}
}
void OnCanvasViewPaintSurface(object sender, SKPaintSurfaceEventArgs args)
{
SKCanvas canvas = args.Surface.Canvas;
canvas.Clear(Color.Black.ToSKColor()); //paint it black
var pathStroke = new SKPaint
{
IsAntialias = true,
Style = SKPaintStyle.Stroke,
Color = SKColors.Red,
StrokeWidth = 5
};
var pathStroke2 = new SKPaint
{
IsAntialias = true,
Style = SKPaintStyle.Stroke,
Color = SKColors.Red,
StrokeWidth = 2,
TextSize = 20
};
var pathStroke1 = new SKPaint
{
IsAntialias = true,
Style = SKPaintStyle.Stroke,
Color = SKColors.BlueViolet,
StrokeWidth = 5
};
var path = new SKPath();
int i = 80;
int k = 7;
for (int j = 0; j < 18; j++)
{
path.MoveTo(80, 450 - k * 15);
path.LineTo(80, 450 - (k + 1) * 15);
k++;
canvas.DrawPath(path, pathStroke);
}
path = new SKPath();
for (int j = 0; j < 24; j++)
{
path.MoveTo(i, 345);
path.LineTo(i + 30, 345);
i = i + 30;
canvas.DrawPath(path, pathStroke);
}
SKPoint[] temp = new SKPoint[] { new SKPoint(40, 345), new SKPoint(50, 345) };
canvas.DrawPositionedText("07", temp, pathStroke2);
temp = new SKPoint[] { new SKPoint(40, 210), new SKPoint(50, 210) };
canvas.DrawPositionedText("16", temp, pathStroke2);
temp = new SKPoint[] { new SKPoint(40, 75), new SKPoint(50, 75) };
canvas.DrawPositionedText("25", temp, pathStroke2);
path = new SKPath();
i = 80;
if (w.Hours.Count != 0)
{
for (int j = 0; j < w.Hours.Count - 1; j++)
{
path.MoveTo(i, 450 - w.Hours[j] * 15);
i = i + 30;
path.LineTo(i, 450 - w.Hours[j + 1] * 15);
}
// draw the path
canvas.DrawPath(path, pathStroke1);
}
}
