SkiaSharp.SKPaint.MeasureText C# (CSharp) Method

MeasureText() public method

public MeasureText ( IntPtr buffer, IntPtr length ) : float
buffer System.IntPtr
length System.IntPtr
return float
		public float MeasureText (IntPtr buffer, IntPtr length)
		{
			if (buffer == IntPtr.Zero)
				throw new ArgumentNullException (nameof (buffer));

			return SkiaApi.sk_paint_measure_text (Handle, buffer, length, IntPtr.Zero);
		}

Same methods

SKPaint::MeasureText ( IntPtr buffer, IntPtr length, SKRect &bounds ) : float
SKPaint::MeasureText ( string text ) : float
SKPaint::MeasureText ( string text, SKRect &bounds ) : float

Usage Example

Ejemplo n.º 1
1
		public static void MeasureTextSample (SKCanvas canvas, int width, int height)
		{
			canvas.DrawColor (SKColors.White);

			using (var paint = new SKPaint ()) {
				paint.TextSize = 64.0f;
				paint.IsAntialias = true;
				paint.Color = new SKColor (0x42, 0x81, 0xA4);
				paint.TextEncoding = SKTextEncoding.Utf32;

				canvas.DrawText ("Skia (UTF-32)", 0, 64.0f, paint);

				var bounds = new SKRect();
				paint.MeasureText ("Skia (UTF-32)", ref bounds);
				bounds.Top += 64.0f;
				bounds.Bottom += 64.0f;

				paint.IsStroke = true;
				paint.Color = SKColors.Red;

				canvas.DrawRect (bounds, paint);
			}

			using (var paint = new SKPaint ()) {
				paint.TextSize = 64.0f;
				paint.IsAntialias = true;
				paint.Color = new SKColor (0x9C, 0xAF, 0xB7);
				paint.TextEncoding = SKTextEncoding.Utf16;

				canvas.DrawText ("Skia (UTF-16)", 0, 144.0f, paint);

				var bounds = new SKRect();
				paint.MeasureText ("Skia (UTF-16)", ref bounds);
				bounds.Top += 144.0f;
				bounds.Bottom += 144.0f;

				paint.IsStroke = true;
				paint.Color = SKColors.Red;

				canvas.DrawRect (bounds, paint);
			}

			using (var paint = new SKPaint ()) {
				paint.TextSize = 64.0f;
				paint.IsAntialias = true;
				paint.Color = new SKColor (0xE6, 0xB8, 0x9C);
				paint.TextEncoding = SKTextEncoding.Utf8;

				canvas.DrawText ("Skia (UTF-8)", 0, 224.0f, paint);

				var bounds = new SKRect();
				paint.MeasureText ("Skia (UTF-8)", ref bounds);
				bounds.Top += 224.0f;
				bounds.Bottom += 224.0f;

				paint.IsStroke = true;
				paint.Color = SKColors.Red;

				canvas.DrawRect (bounds, paint);
			}
		}
All Usage Examples Of SkiaSharp.SKPaint::MeasureText