WikiSysop at 06:11, 25 March 2018

2018-03-25T06:11:58Z

← Older revision		Revision as of 06:11, 25 March 2018
Line 45:		Line 45:

	* [https://gist.github.com/xoofx/a9d08a37c43f692e65df80a1888c488b Resize an image and draw some overlay text with SkiaSharp]		* [https://gist.github.com/xoofx/a9d08a37c43f692e65df80a1888c488b Resize an image and draw some overlay text with SkiaSharp]

			====Clipping with Paths and Regions====
			* [https://docs.microsoft.com/en-us/xamarin/xamarin-forms/user-interface/graphics/skiasharp/curves/clipping Clipping with Paths and Regions]

	====WPF====		====WPF====
	* [https://github.com/impsnldavid/skiasharpwpfextensions skiasharpwpfextensions]		* [https://github.com/impsnldavid/skiasharpwpfextensions skiasharpwpfextensions]

WikiSysop: Created page with "{{Xamarin}} ==SkiaSharp== ====Fiddles==== * [https://fiddle.skia.org/ Skia Fiddle] * [https://fiddle.skia.org/named/ Named Fiddles] ====Disposable Transform====
2018-03-25T06:08:25Z

Created page with "{{Xamarin}} ==SkiaSharp== ====Fiddles==== * [https://fiddle.skia.org/ Skia Fiddle] * [https://fiddle.skia.org/named/ Named Fiddles] ====Disposable Transform==== <syntaxhighli..."

New page
{{Xamarin}}
==SkiaSharp==
====Fiddles====
* [https://fiddle.skia.org/ Skia Fiddle]
* [https://fiddle.skia.org/named/ Named Fiddles]

====Disposable Transform====
<syntaxhighlight lang="C#" line='line'>
using (new Transform(canvas))
{

}

public class Transform : IDisposable
{
private readonly SKCanvas _canvas;

public Transform(SKCanvas canvas)
{
_canvas = canvas;
canvas.Save();
}

public void Dispose()
{
_canvas.Restore();
}
}
</syntaxhighlight >

====Transform point from current transformation matrix to original grid====
<source lang="cpp">
// Transform point from current transformation matrix to original grid
var originalPoints = new[] { new SKPoint(0, 0) };
var pointInCurrentTransformationMatrix = new[] { new SKPoint(0, 0) };
canvas.TotalMatrix.MapPoints(originalPoints, pointInCurrentTransformationMatrix);

// Transform point from original grid to current transformation matrix
canvas.TotalMatrix.TryInvert(out var inverseMatrix);
var snappedPixelPointsInCurrentTransformationMatrix = new[] { new SKPoint(0, 0) };
inverseMatrix.MapPoints(snappedPixelPointsInCurrentTransformationMatrix, originalPoints);
</source>
* [https://translate.google.com/translate?hl=en&sl=auto&tl=en&u=http%3A%2F%2Fmonobook.org%2Fwiki%2FSkiaSharp%E3%81%A7%E6%97%A5%E6%9C%AC%E8%AA%9E%E6%96%87%E5%AD%97%E5%88%97%E3%82%92%E6%8F%8F%E7%94%BB%E3%81%99%E3%82%8B Draw Japanese character string with SkiaSharp]
[[File:Typography_Line_Terms.png]]

* [https://gist.github.com/xoofx/a9d08a37c43f692e65df80a1888c488b Resize an image and draw some overlay text with SkiaSharp]
====WPF====
* [https://github.com/impsnldavid/skiasharpwpfextensions skiasharpwpfextensions]