protected override RectInt32 OnGetMaxRenderBounds()
{
RectDouble a = this.BaseTransform.Transform(this.baseBounds);
RectDouble b = this.FinalTransform.Transform(this.baseBounds);
return(RectDouble.Union(a, b).Int32Bound);
}
private PlacedBitmap CreateFontPreview(string gdiFontName, float fontSize, PaintDotNet.UI.Media.Brush textBrush)
{
FontProperties fontProperties;
TextMetrics metrics;
OverhangMetrics overhangMetrics;
try
{
fontProperties = this.fontMap.GetFontProperties(gdiFontName);
using (IDrawingContext context = DrawingContext.CreateNull(FactorySource.PerThread))
{
TextLayoutAlgorithm?layoutAlgorithm = null;
TextLayout resourceSource = UIText.CreateLayout(context, this.fontSampleText, fontProperties, (double)fontSize, layoutAlgorithm, HotkeyRenderMode.Ignore, 65535.0, 65535.0);
ITextLayout cachedOrCreateResource = context.GetCachedOrCreateResource <ITextLayout>(resourceSource);
metrics = cachedOrCreateResource.Metrics;
overhangMetrics = cachedOrCreateResource.OverhangMetrics;
}
}
catch (Exception exception)
{
if ((!(exception is NoFontException) && !(exception is FontFileAccessException)) && (!(exception is FontFileFormatException) && !(exception is FontFileNotFoundException)))
{
throw;
}
Surface cleanupObject = Surface.CopyFromGdipImage(PdnResources.GetImageResource("Icons.WarningIcon.png").Reference);
BitmapProxy proxy = new BitmapProxy(cleanupObject.CreateAliasedImagingBitmap(), ObjectRefProxyOptions.AssumeOwnership);
proxy.AddCleanupObject(cleanupObject);
return(new PlacedBitmap(proxy, new RectDouble(0.0, 0.0, (double)proxy.Size.Width, (double)proxy.Size.Height), true));
}
RectDouble a = new RectDouble((double)metrics.Left, (double)metrics.Top, (double)(metrics.Left + metrics.WidthMax), (double)(metrics.Top + metrics.Height));
RectDouble b = RectDouble.FromEdges((double)(metrics.Left - overhangMetrics.Left), (double)(metrics.Top - overhangMetrics.Top), (double)(metrics.LayoutWidth + overhangMetrics.Right), (double)(metrics.LayoutHeight + overhangMetrics.Bottom));
RectInt32 num4 = RectDouble.Union(a, b).Int32Bound;
IBitmap bitmap = new PaintDotNet.Imaging.Bitmap(num4.Width, num4.Height, PixelFormats.Pbgra32, BitmapCreateCacheOption.CacheOnLoad);
using (IDrawingContext context2 = DrawingContext.FromBitmap(bitmap, FactorySource.PerThread))
{
context2.Clear(null);
using (context2.UseTranslateTransform((float)-num4.X, (float)-num4.Y, MatrixMultiplyOrder.Prepend))
{
using (context2.UseTextRenderingMode(TextRenderingMode.Outline))
{
TextLayout textLayout = UIText.CreateLayout(context2, this.fontSampleText, fontProperties, (double)fontSize, null, HotkeyRenderMode.Ignore, 65535.0, 65535.0);
context2.TextAntialiasMode = TextAntialiasMode.Grayscale;
context2.DrawTextLayout(0.0, 0.0, textLayout, textBrush, DrawTextOptions.None);
}
}
}
return(new PlacedBitmap(bitmap, b, true));
}
RectInt32 IBitmapLayerTransactionHandlerHost <TDerived, TChanges> .GetDifferentialMaxBounds(TChanges oldChanges, TChanges newChanges)
{
object renderDataCurrencyToken = oldChanges.RenderDataCurrencyToken;
object newCurrencyToken = newChanges.RenderDataCurrencyToken;
IList <int> list = newChanges.RenderData.EnumerateStrokeSampleIndicesBetweenCurrencyTokens(renderDataCurrencyToken, newCurrencyToken);
if (list.Count == 0)
{
return(newChanges.GetMaxRenderBounds());
}
SizeDouble size = newChanges.Stamp.Size;
RectDouble bounds = newChanges.RenderData.StrokeSamples[list[0]].GetBounds(size);
int count = list.Count;
for (int i = 1; i < count; i++)
{
int num5 = list[i];
RectDouble b = newChanges.RenderData.StrokeSamples[num5].GetBounds(size);
bounds = RectDouble.Union(bounds, b);
}
return(bounds.Int32Bound);
}
