tsai
/
Avalonia
mirror of https://github.com/AvaloniaUI/Avalonia.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Direct2D1 caching

pull/1535/head
Benedikt Schroeder 8 years ago
parent
9f29e9a8f4
commit
1ace429342
7 changed files with 181 additions and 213 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 1
      samples/ControlCatalog.Desktop/Program.cs
  2. BIN
      samples/ControlCatalog/Assets/octin_stencil_free.ttf
  3. 1
      samples/ControlCatalog/ControlCatalog.csproj
  4. 4
      samples/ControlCatalog/Pages/BorderPage.xaml
  5. 207
      src/Avalonia.Visuals/Media/FontFamily.cs
  6. 29
      src/Markup/Avalonia.Markup.Xaml/Converters/FontFamilyTypeConverter.cs
  7. 152
      src/Windows/Avalonia.Direct2D1/Media/FormattedTextImpl.cs

1
samples/ControlCatalog.Desktop/Program.cs
View File

@ -16,7 +16,6 @@ namespace ControlCatalog
{
// TODO: Make this work with GTK/Skia/Cairo depending on command-line args
// again.
AvaloniaLocator.CurrentMutable.Bind<IFontFamilyCache>().ToConstant(new FontFamilyCache());
BuildAvaloniaApp().Start<MainWindow>();
}

BIN
samples/ControlCatalog/Assets/octin_stencil_free.ttf
View File

Binary file not shown.

1
samples/ControlCatalog/ControlCatalog.csproj
View File

@ -13,6 +13,7 @@
</ItemGroup>
<ItemGroup>
<None Remove="Assets\kooten.ttf" />
<None Remove="Assets\octin_stencil_free.ttf" />
</ItemGroup>
<ItemGroup>

4
samples/ControlCatalog/Pages/BorderPage.xaml
View File

@ -27,8 +27,8 @@
Padding="16">
<StackPanel>
<TextBlock FontSize="14">Rounded Corners</TextBlock>
<TextBlock FontWeight="Bold" FontSize="14" FontFamily="Arial">Rounded Corners</TextBlock>
<TextBlock FontSize="14" FontFamily="res:///ControlCatalog/Assets/kooten.ttf#Kootenay">Rounded Corners</TextBlock>
<TextBlock FontSize="14" FontFamily="resm:ControlCatalog.Assets.octin_stencil_free.ttf#Octin Stencil Free">Rounded Corners</TextBlock>
<TextBlock FontSize="14" FontFamily="resm:ControlCatalog.Assets.kooten.ttf#Kootenay">Rounded Corners</TextBlock>
</StackPanel>
</Border>
</StackPanel>

207
src/Avalonia.Visuals/Media/FontFamily.cs
View File

@ -2,50 +2,33 @@
// Licensed under the MIT license. See licence.md file in the project root for full license information.
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
namespace Avalonia.Media
{
public class FontFamily
{
public FontFamily(string familyName) : this(familyName, null) { }
public FontFamily(string familyName, Uri baseUri)
public FontFamily(string familyName = "Courier New", Uri baseUri = null)
{
if (familyName == null) throw new ArgumentNullException(nameof(familyName));
FontFamilyKey = new FontFamilyKey(familyName, baseUri);
Key = new FontFamilyKey(familyName, baseUri);
}
public string Name => FontFamilyKey.FriendlyName;
public string Name => Key.FriendlyName;
public Uri BaseUri => FontFamilyKey.BaseUri;
public Uri BaseUri => Key.BaseUri;
internal FontFamilyKey FontFamilyKey { get; }
}
public FontFamilyKey Key { get; }
public class FamilyTypeface
{
public FamilyTypeface(Uri resourceUri = null, FontWeight fontWeight = FontWeight.Normal, FontStyle fontStyle = FontStyle.Normal)
public override string ToString()
{
ResourceUri = resourceUri;
FontStyle = fontStyle;
FontWeight = fontWeight;
return Key.ToString();
}
public Uri ResourceUri { get; }
public FontWeight FontWeight { get; }
public FontStyle FontStyle { get; }
}
public class FontFamilyKey
{
public FontFamilyKey(string friendlyName) : this(friendlyName, null) { }
public FontFamilyKey(string friendlyName, Uri baseUri)
public FontFamilyKey(string friendlyName, Uri baseUri = null)
{
FriendlyName = friendlyName;
BaseUri = baseUri;
@ -85,87 +68,111 @@ namespace Avalonia.Media
return true;
}
}
public class FamilyTypefaceKey
{
public FamilyTypefaceKey(FontWeight fontWeight = FontWeight.Normal, FontStyle fontStyle = FontStyle.Normal)
{
FontWeight = fontWeight;
FontStyle = fontStyle;
}
public FontWeight FontWeight { get; }
public FontStyle FontStyle { get; }
public override int GetHashCode()
public override string ToString()
{
unchecked
if (BaseUri != null)
{
var hash = (int)2166136261;
hash = (hash * 16777619) ^ FontWeight.GetHashCode();
hash = (hash * 16777619) ^ FontStyle.GetHashCode();
return hash;
return BaseUri + "#" + FriendlyName;
}
}
public override bool Equals(object obj)
{
if (!(obj is FamilyTypefaceKey other)) return false;
if (FontWeight != other.FontWeight) return false;
if (FontStyle != other.FontStyle) return false;
return true;
return FriendlyName;
}
}
public class CachedFontFamily
{
private readonly ConcurrentDictionary<FamilyTypefaceKey, FamilyTypeface> _typefaces =
new ConcurrentDictionary<FamilyTypefaceKey, FamilyTypeface>();
public IEnumerable<FamilyTypeface> SupportedTypefaces => _typefaces.Values;
public bool TryGetFamilyTypeface(out FamilyTypeface typeface, FontWeight fontWeight = FontWeight.Normal,
FontStyle fontStyle = FontStyle.Normal)
{
return _typefaces.TryGetValue(new FamilyTypefaceKey(fontWeight, fontStyle), out typeface);
}
public FamilyTypeface GetOrAddFamilyTypeface(Uri resourceUri, FontWeight fontWeight = FontWeight.Normal, FontStyle fontStyle = FontStyle.Normal)
{
return _typefaces.GetOrAdd(new FamilyTypefaceKey(fontWeight, fontStyle), x => CreateFamilyTypeface(x, resourceUri));
}
private static FamilyTypeface CreateFamilyTypeface(FamilyTypefaceKey familyTypefaceKey, Uri resourceUri)
{
return new FamilyTypeface(resourceUri, familyTypefaceKey.FontWeight, familyTypefaceKey.FontStyle);
}
}
public interface IFontFamilyCache
{
CachedFontFamily GetOrAddFontFamily(FontFamily fontFamily);
}
public class FontFamilyCache : IFontFamilyCache
{
private readonly ConcurrentDictionary<FontFamilyKey, CachedFontFamily> _cachedFontFamilies = new ConcurrentDictionary<FontFamilyKey, CachedFontFamily>();
public CachedFontFamily GetOrAddFontFamily(FontFamily fontFamily)
{
return _cachedFontFamilies.GetOrAdd(fontFamily.FontFamilyKey, CreateCachedFontFamily);
}
private static CachedFontFamily CreateCachedFontFamily(FontFamilyKey fontFamilyKey)
{
return new CachedFontFamily();
}
}
//public class FamilyTypeface
//{
// public FamilyTypeface(Uri resourceUri = null, FontWeight fontWeight = FontWeight.Normal, FontStyle fontStyle = FontStyle.Normal)
// {
// ResourceUri = resourceUri;
// FontStyle = fontStyle;
// FontWeight = fontWeight;
// }
// public Uri ResourceUri { get; }
// public FontWeight FontWeight { get; }
// public FontStyle FontStyle { get; }
//}
//public class FamilyTypefaceKey
//{
// public FamilyTypefaceKey(FontWeight fontWeight = FontWeight.Normal, FontStyle fontStyle = FontStyle.Normal)
// {
// FontWeight = fontWeight;
// FontStyle = fontStyle;
// }
// public FontWeight FontWeight { get; }
// public FontStyle FontStyle { get; }
// public override int GetHashCode()
// {
// unchecked
// {
// var hash = (int)2166136261;
// hash = (hash * 16777619) ^ FontWeight.GetHashCode();
// hash = (hash * 16777619) ^ FontStyle.GetHashCode();
// return hash;
// }
// }
// public override bool Equals(object obj)
// {
// if (!(obj is FamilyTypefaceKey other)) return false;
// if (FontWeight != other.FontWeight) return false;
// if (FontStyle != other.FontStyle) return false;
// return true;
// }
//}
//public class CachedFontFamily
//{
// private readonly ConcurrentDictionary<FamilyTypefaceKey, FamilyTypeface> _typefaces =
// new ConcurrentDictionary<FamilyTypefaceKey, FamilyTypeface>();
// public bool TryGetFamilyTypeface(out FamilyTypeface typeface, FontWeight fontWeight = FontWeight.Normal,
// FontStyle fontStyle = FontStyle.Normal)
// {
// return _typefaces.TryGetValue(new FamilyTypefaceKey(fontWeight, fontStyle), out typeface);
// }
// public bool TryAddFamilyTypeface(Uri resourceUri, FontWeight fontWeight = FontWeight.Normal, FontStyle fontStyle = FontStyle.Normal)
// {
// var familyTypefaceKeytypefaceKey = new FamilyTypefaceKey(fontWeight, fontStyle);
// return _typefaces.TryAdd(familyTypefaceKeytypefaceKey, CreateFamilyTypeface(familyTypefaceKeytypefaceKey, resourceUri));
// }
// private static FamilyTypeface CreateFamilyTypeface(FamilyTypefaceKey familyTypefaceKey, Uri resourceUri)
// {
// return new FamilyTypeface(resourceUri, familyTypefaceKey.FontWeight, familyTypefaceKey.FontStyle);
// }
//}
//public class FontFamilyCache
//{
// private readonly ConcurrentDictionary<FontFamilyKey, CachedFontFamily> _cachedFontFamilies = new ConcurrentDictionary<FontFamilyKey, CachedFontFamily>();
// public bool TryGetCachedFontFamily(FontFamily fontFamily, out CachedFontFamily cachedFontFamily)
// {
// return _cachedFontFamilies.TryGetValue(fontFamily.Key, out cachedFontFamily);
// }
// public CachedFontFamily GetOrAddCachedFontFamily(FontFamily fontFamily)
// {
// return _cachedFontFamilies.GetOrAdd(fontFamily.Key, CreateCachedFontFamily);
// }
// private static CachedFontFamily CreateCachedFontFamily(FontFamilyKey fontFamilyKey)
// {
// return new CachedFontFamily();
// }
//}
}

29
src/Markup/Avalonia.Markup.Xaml/Converters/FontFamilyTypeConverter.cs
View File

@ -18,16 +18,14 @@ namespace Avalonia.Markup.Xaml.Converters
if (string.IsNullOrEmpty(s)) throw new ArgumentException("Specified family is not supported.");
if (!s.StartsWith("resm:")) return new FontFamily(s);
var fontFamilyExpression = s.Split('#');
string familyName;
Uri baseUri = null;
var fontWeight = FontWeight.Normal;
var fontStyle = FontStyle.Normal;
switch (fontFamilyExpression.Length)
{
case 1:
@ -41,34 +39,13 @@ namespace Avalonia.Markup.Xaml.Converters
familyName = fontFamilyExpression[1];
break;
}
//case 3:
// {
// baseUri = new Uri(fontFamilyExpression[0], UriKind.RelativeOrAbsolute);
// familyName = fontFamilyExpression[1];
// fontWeight = (FontWeight)Enum.Parse(typeof(FontWeight), fontFamilyExpression[2]);
// break;
// }
//case 4:
// {
// baseUri = new Uri(fontFamilyExpression[0], UriKind.RelativeOrAbsolute);
// familyName = fontFamilyExpression[1];
// fontWeight = (FontWeight)Enum.Parse(typeof(FontWeight), fontFamilyExpression[2]);
// fontStyle = (FontStyle)Enum.Parse(typeof(FontStyle), fontFamilyExpression[3]);
// break;
// }
default:
{
throw new ArgumentException("Specified family is not supported.");
}
}
var fontFamily = new FontFamily(familyName, baseUri);
var cachedFontFamily = AvaloniaLocator.Current.GetService<IFontFamilyCache>().GetOrAddFontFamily(fontFamily);
cachedFontFamily.GetOrAddFamilyTypeface(baseUri, fontWeight, fontStyle);
return fontFamily;
return new FontFamily(familyName, baseUri);
}
}
}

152
src/Windows/Avalonia.Direct2D1/Media/FormattedTextImpl.cs
View File

@ -2,8 +2,8 @@
// Licensed under the MIT license. See licence.md file in the project root for full license information.
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Avalonia.Media;
using Avalonia.Platform;
@ -26,59 +26,46 @@ namespace Avalonia.Direct2D1.Media
var factory = AvaloniaLocator.Current.GetService<DWrite.Factory>();
DWrite.TextFormat textFormat;
if (typeface.FontFamily.BaseUri != null)
{
var fontFamily = AvaloniaLocator.Current.GetService<IFontFamilyCache>().GetOrAddFontFamily(typeface.FontFamily);
fontFamily.TryGetFamilyTypeface(out var familyTypeface);
var fontLoader = new ResourceFontLoader(factory, familyTypeface.ResourceUri);
var fontCollection = Direct2D1CustomFontResourceCache.GetOrAddCustomFontResource(typeface.FontFamily, factory);
var fontCollection = new DWrite.FontCollection(factory, fontLoader, fontLoader.Key);
using (var textFormat =
new DWrite.TextFormat(factory, typeface.FontFamily.Name, fontCollection, DWrite.FontWeight.Normal,
DWrite.FontStyle.Normal, DWrite.FontStretch.Normal, (float)typeface.FontSize))
{
textFormat.TextAlignment = DWrite.TextAlignment.Center;
textFormat.ParagraphAlignment = DWrite.ParagraphAlignment.Center;
textFormat.WordWrapping = wrapping == TextWrapping.Wrap ?
DWrite.WordWrapping.Wrap :
DWrite.WordWrapping.NoWrap;
TextLayout = new DWrite.TextLayout(factory, Text ?? string.Empty, textFormat, (float)constraint.Width,
(float)constraint.Height)
{
TextAlignment = textAlignment.ToDirect2D()
};
}
textFormat = new DWrite.TextFormat(
factory,
typeface.FontFamily.Name,
fontCollection,
(DWrite.FontWeight)typeface.Weight,
(DWrite.FontStyle)typeface.Style,
DWrite.FontStretch.Normal,
(float)typeface.FontSize);
}
else
{
using (var format = new DWrite.TextFormat(
textFormat = new DWrite.TextFormat(
factory,
typeface?.FontFamily.Name ?? "Courier New",
(DWrite.FontWeight)(typeface.Weight),
(DWrite.FontStyle)(typeface.Style),
(float)typeface.FontSize))
{
format.WordWrapping = wrapping == TextWrapping.Wrap ?
DWrite.WordWrapping.Wrap :
DWrite.WordWrapping.NoWrap;
TextLayout = new DWrite.TextLayout(
factory,
text ?? string.Empty,
format,
(float)constraint.Width,
(float)constraint.Height)
{
TextAlignment = textAlignment.ToDirect2D()
};
}
typeface.FontFamily.Name,
(DWrite.FontWeight)typeface.Weight,
(DWrite.FontStyle)typeface.Style,
(float)typeface.FontSize);
}
textFormat.TextAlignment = DWrite.TextAlignment.Center;
textFormat.ParagraphAlignment = DWrite.ParagraphAlignment.Center;
textFormat.WordWrapping = wrapping == TextWrapping.Wrap ?
DWrite.WordWrapping.Wrap :
DWrite.WordWrapping.NoWrap;
TextLayout = new DWrite.TextLayout(factory, Text ?? string.Empty, textFormat, (float)constraint.Width,
(float)constraint.Height)
{
TextAlignment = textAlignment.ToDirect2D()
};
textFormat.Dispose();
if (spans != null)
{
foreach (var span in spans)
@ -98,10 +85,10 @@ namespace Avalonia.Direct2D1.Media
public DWrite.TextLayout TextLayout { get; }
public void Dispose()
{
TextLayout.Dispose();
}
//public void Dispose()
//{
// TextLayout.Dispose();
//}
public IEnumerable<FormattedTextLine> GetLines()
{
@ -111,14 +98,11 @@ namespace Avalonia.Direct2D1.Media
public TextHitTestResult HitTestPoint(Point point)
{
SharpDX.Mathematics.Interop.RawBool isTrailingHit;
SharpDX.Mathematics.Interop.RawBool isInside;
var result = TextLayout.HitTestPoint(
(float)point.X,
(float)point.Y,
out isTrailingHit,
out isInside);
out var isTrailingHit,
out var isInside);
return new TextHitTestResult
{
@ -130,14 +114,7 @@ namespace Avalonia.Direct2D1.Media
public Rect HitTestTextPosition(int index)
{
float x;
float y;
var result = TextLayout.HitTestTextPosition(
index,
false,
out x,
out y);
var result = TextLayout.HitTestTextPosition(index, false, out _, out _);
return new Rect(result.Left, result.Top, result.Width, result.Height);
}
@ -175,12 +152,29 @@ namespace Avalonia.Direct2D1.Media
}
}
internal static class Direct2D1CustomFontResourceCache
{
private static readonly ConcurrentDictionary<FontFamilyKey, DWrite.FontCollection> s_cachedFonts =
new ConcurrentDictionary<FontFamilyKey, DWrite.FontCollection>();
public static DWrite.FontCollection GetOrAddCustomFontResource(FontFamily fontFamily, DWrite.Factory factory)
{
return s_cachedFonts.GetOrAdd(fontFamily.Key, x => CreateCustomFontResource(x, factory));
}
private static DWrite.FontCollection CreateCustomFontResource(FontFamilyKey fontFamilyKey, DWrite.Factory factory)
{
var fontLoader = new ResourceFontLoader(factory, fontFamilyKey.BaseUri);
return new DWrite.FontCollection(factory, fontLoader, fontLoader.Key);
}
}
public class ResourceFontLoader : CallbackBase, DWrite.FontCollectionLoader, DWrite.FontFileLoader
{
private readonly List<ResourceFontFileStream> _fontStreams = new List<ResourceFontFileStream>();
private readonly List<ResourceFontFileEnumerator> _enumerators = new List<ResourceFontFileEnumerator>();
private readonly DataStream _keyStream;
private readonly DWrite.Factory _factory;
/// <summary>
@ -190,7 +184,7 @@ namespace Avalonia.Direct2D1.Media
/// <param name="fontResource"></param>
public ResourceFontLoader(DWrite.Factory factory, Uri fontResource)
{
_factory = factory;
var factory1 = factory;
var assets = AvaloniaLocator.Current.GetService<IAssetLoader>();
@ -215,8 +209,8 @@ namespace Avalonia.Direct2D1.Media
_keyStream.Position = 0;
// Register the
_factory.RegisterFontFileLoader(this);
_factory.RegisterFontCollectionLoader(this);
factory1.RegisterFontFileLoader(this);
factory1.RegisterFontCollectionLoader(this);
}
@ -224,13 +218,7 @@ namespace Avalonia.Direct2D1.Media
/// Gets the key used to identify the FontCollection as well as storing index for fonts.
/// </summary>
/// <value>The key.</value>
public DataStream Key
{
get
{
return _keyStream;
}
}
public DataStream Key => _keyStream;
/// <summary>
/// Creates a font file enumerator object that encapsulates a collection of font files. The font system calls back to this interface to create a font collection.
@ -282,7 +270,7 @@ namespace Avalonia.Direct2D1.Media
/// <param name="stream">The stream.</param>
public ResourceFontFileStream(DataStream stream)
{
this._stream = stream;
_stream = stream;
}
/// <summary>
@ -384,19 +372,15 @@ namespace Avalonia.Direct2D1.Media
{
bool moveNext = keyStream.RemainingLength != 0;
if (moveNext)
{
if (_currentFontFile != null)
{
_currentFontFile.Dispose();
}
if (!moveNext) return false;
_currentFontFile = new DWrite.FontFile(_factory, keyStream.PositionPointer, 4, _loader);
_currentFontFile?.Dispose();
keyStream.Position += 4;
}
_currentFontFile = new DWrite.FontFile(_factory, keyStream.PositionPointer, 4, _loader);
keyStream.Position += 4;
return moveNext;
return true;
}
/// <summary>

Write Preview
Loading…
Cancel
Save