本文整理汇总了C#中Android.Graphics.Canvas.SaveLayer方法的典型用法代码示例。如果您正苦于以下问题：C# Canvas.SaveLayer方法的具体用法？C# Canvas.SaveLayer怎么用？C# Canvas.SaveLayer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Android.Graphics.Canvas的用法示例。
在下文中一共展示了Canvas.SaveLayer方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: OnDraw
protected override void OnDraw (Canvas canvas)
{
int sc = canvas.SaveLayer(mBoundsF, mCopyPaint, SaveFlags.HasAlphaLayer | SaveFlags.FullColorLayer);
mMaskDrawable.Draw(canvas);
canvas.SaveLayer(mBoundsF, mMaskedPaint, 0);
base.OnDraw(canvas);
canvas.RestoreToCount(sc);
mBorderDrawable.Draw(canvas);
}示例2: OnDraw
protected override void OnDraw(Canvas canvas)
{
Android.Graphics.Drawable.Drawable drawable = GetDrawable();
if (drawable is BitmapDrawable)
{
RectF rectF = new RectF(drawable.GetBounds());
int restoreCount = canvas.SaveLayer(rectF, null, Canvas.AllSaveFlag);
GetImageMatrix().MapRect(rectF);
Paint paint = ((BitmapDrawable)drawable).GetPaint();
paint.SetAntiAlias(true);
paint.SetColor(unchecked((int)(0xff000000)));
canvas.DrawARGB(0, 0, 0, 0);
canvas.DrawRoundRect(rectF, Radius, Radius, paint);
Xfermode restoreMode = paint.GetXfermode();
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcIn));
base.OnDraw(canvas);
// Restore paint and canvas
paint.SetXfermode(restoreMode);
canvas.RestoreToCount(restoreCount);
}
else
{
base.OnDraw(canvas);
}
}