/// <summary>
/// Update content for single and detail
/// </summary>
public static void UpdateContent(CalloutStyle callout)
{
if (callout.Type == CalloutType.Custom)
{
return;
}
if (callout.Title == null)
{
callout.Content = -1;
return;
}
var styleSubtitle = new Topten.RichTextKit.Style();
var styleTitle = new Topten.RichTextKit.Style();
var textBlockTitle = new TextBlock();
var textBlockSubtitle = new TextBlock();
if (callout.Type == CalloutType.Detail)
{
styleSubtitle.FontFamily = callout.SubtitleFont.FontFamily;
styleSubtitle.FontSize = (float)callout.SubtitleFont.Size;
styleSubtitle.FontItalic = callout.SubtitleFont.Italic;
styleSubtitle.FontWeight = callout.SubtitleFont.Bold ? 700 : 400;
styleSubtitle.TextColor = callout.SubtitleFontColor.ToSkia();
textBlockSubtitle.AddText(callout.Subtitle, styleSubtitle);
textBlockSubtitle.Alignment = callout.SubtitleTextAlignment.ToRichTextKit();
}
styleTitle.FontFamily = callout.TitleFont.FontFamily;
styleTitle.FontSize = (float)callout.TitleFont.Size;
styleTitle.FontItalic = callout.TitleFont.Italic;
styleTitle.FontWeight = callout.TitleFont.Bold ? 700 : 400;
styleTitle.TextColor = callout.TitleFontColor.ToSkia();
textBlockTitle.Alignment = callout.TitleTextAlignment.ToRichTextKit();
textBlockTitle.AddText(callout.Title, styleTitle);
textBlockTitle.MaxWidth = textBlockSubtitle.MaxWidth = (float)callout.MaxWidth;
// Layout TextBlocks
textBlockTitle.Layout();
textBlockSubtitle.Layout();
// Get sizes
var width = Math.Max(textBlockTitle.MeasuredWidth, textBlockSubtitle.MeasuredWidth);
var height = textBlockTitle.MeasuredHeight + (callout.Type == CalloutType.Detail ? textBlockSubtitle.MeasuredHeight + (float)callout.Spacing : 0f);
// Now we have the correct width, so make a new layout cycle for text alignment
textBlockTitle.MaxWidth = textBlockSubtitle.MaxWidth = width;
textBlockTitle.Layout();
textBlockSubtitle.Layout();
// Create bitmap from TextBlock
using (var rec = new SKPictureRecorder())
using (var canvas = rec.BeginRecording(new SKRect(0, 0, width, height)))
{
// Draw text to canvas
textBlockTitle.Paint(canvas, new TextPaintOptions()
{
IsAntialias = true
});
if (callout.Type == CalloutType.Detail)
{
textBlockSubtitle.Paint(canvas, new SKPoint(0, textBlockTitle.MeasuredHeight + (float)callout.Spacing), new TextPaintOptions()
{
IsAntialias = true
});
}
// Create a SKPicture from canvas
var picture = rec.EndRecording();
if (callout.InternalContent >= 0)
{
BitmapRegistry.Instance.Set(callout.InternalContent, picture);
}
else
{
callout.InternalContent = BitmapRegistry.Instance.Register(picture);
}
callout.Content = callout.InternalContent;
}
}
/// <summary>
/// Update content for single and detail
/// </summary>
public static void UpdateContent(CalloutStyle callout)
{
if (callout.Type == CalloutType.Custom)
{
return;
}
if (callout.Title == null)
{
return;
}
var _styleSubtitle = new Topten.RichTextKit.Style();
var _styleTitle = new Topten.RichTextKit.Style();
var _textBlockTitle = new TextBlock();
var _textBlockSubtitle = new TextBlock();
if (callout.Type == CalloutType.Detail)
{
_styleSubtitle.FontFamily = callout.SubtitleFont.FontFamily;
_styleSubtitle.FontSize = (float)callout.SubtitleFont.Size;
_styleSubtitle.FontItalic = callout.SubtitleFont.Italic;
_styleSubtitle.FontWeight = callout.SubtitleFont.Bold ? 700 : 400;
_styleSubtitle.TextColor = callout.SubtitleFontColor.ToSkia();
_textBlockSubtitle.AddText(callout.Subtitle, _styleSubtitle);
_textBlockSubtitle.Alignment = callout.SubtitleTextAlignment.ToRichTextKit();
}
_styleTitle.FontFamily = callout.TitleFont.FontFamily;
_styleTitle.FontSize = (float)callout.TitleFont.Size;
_styleTitle.FontItalic = callout.TitleFont.Italic;
_styleTitle.FontWeight = callout.TitleFont.Bold ? 700 : 400;
_styleTitle.TextColor = callout.TitleFontColor.ToSkia();
_textBlockTitle.Alignment = callout.TitleTextAlignment.ToRichTextKit();
_textBlockTitle.AddText(callout.Title, _styleTitle);
_textBlockTitle.MaxWidth = _textBlockSubtitle.MaxWidth = (float)callout.MaxWidth;
// Layout TextBlocks
_textBlockTitle.Layout();
_textBlockSubtitle.Layout();
// Get sizes
var width = Math.Max(_textBlockTitle.MeasuredWidth, _textBlockSubtitle.MeasuredWidth);
var height = _textBlockTitle.MeasuredHeight + (callout.Type == CalloutType.Detail ? _textBlockSubtitle.MeasuredHeight + callout.Spacing : 0);
// Now we have the correct width, so make a new layout cycle for text alignment
_textBlockTitle.MaxWidth = _textBlockSubtitle.MaxWidth = width;
_textBlockTitle.Layout();
_textBlockSubtitle.Layout();
// Create bitmap from TextBlock
var info = new SKImageInfo((int)width, (int)height, SKImageInfo.PlatformColorType, SKAlphaType.Premul);
using (var surface = SKSurface.Create(info))
{
var canvas = surface.Canvas;
var memStream = new MemoryStream();
canvas.Clear(SKColors.Transparent);
// surface.Canvas.Scale(DeviceDpi / 96.0f);
_textBlockTitle.Paint(canvas, new TextPaintOptions()
{
IsAntialias = true
});
_textBlockSubtitle.Paint(canvas, new SKPoint(0, _textBlockTitle.MeasuredHeight + (float)callout.Spacing), new TextPaintOptions()
{
IsAntialias = true
});
// Create image from canvas
var image = surface.Snapshot();
var data = image.Encode(SKEncodedImageFormat.Png, 100);
if (callout.InternalContent >= 0)
{
BitmapRegistry.Instance.Set(callout.InternalContent, data.AsStream(true));
}
else
{
callout.InternalContent = BitmapRegistry.Instance.Register(data.AsStream(true));
}
callout.Content = callout.InternalContent;
}
}
