Updated to MonoGame 3.6 + Directory refactor
- Barotrauma's projects are in the Barotrauma directory - All libraries are in the Libraries directory - MonoGame is now managed by NuGet, rather than referenced from the installed files (TODO: consider using PCL for easier cross-platform development?) - NuGet libraries are not included in the repo, as getting the latest versions automatically should be preferred - Removed Content/effects.mgfx as it didn't seem to be used anywhere - Removed some references to Subsurface directory - Renamed Launcher2 to Launcher
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juanjp600
173
Libraries/SharpFont/Source/SharpFontShared/Cache/SBitCache.cs
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173
Libraries/SharpFont/Source/SharpFontShared/Cache/SBitCache.cs
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#region MIT License
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/*Copyright (c) 2012-2013 Robert Rouhani <robert.rouhani@gmail.com>
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SharpFont based on Tao.FreeType, Copyright (c) 2003-2007 Tao Framework Team
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.*/
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#endregion
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using System;
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using System.Runtime.InteropServices;
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namespace SharpFont.Cache
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{
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/// <summary>
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/// A handle to a small bitmap cache. These are special cache objects used to store small glyph bitmaps (and
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/// anti-aliased pixmaps) in a much more efficient way than the traditional glyph image cache implemented by
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/// <see cref="ImageCache"/>.
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/// </summary>
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public class SBitCache
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{
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#region Fields
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private IntPtr reference;
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private Manager parentManager;
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#endregion
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#region Constructors
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/// <summary>
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/// Initializes a new instance of the <see cref="SBitCache"/> class.
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/// </summary>
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/// <param name="manager">A handle to the source cache manager.</param>
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public SBitCache(Manager manager)
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{
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if (manager == null)
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throw new ArgumentNullException("manager");
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IntPtr cacheRef;
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Error err = FT.FTC_SBitCache_New(manager.Reference, out cacheRef);
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if (err != Error.Ok)
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throw new FreeTypeException(err);
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Reference = cacheRef;
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parentManager = manager;
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}
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#endregion
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#region Properties
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internal IntPtr Reference
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{
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get
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{
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return reference;
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}
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set
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{
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reference = value;
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}
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}
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#endregion
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#region Methods
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/// <summary>
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/// Look up a given small glyph bitmap in a given sbit cache and ‘lock’ it to prevent its flushing from the
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/// cache until needed.
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/// </summary>
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/// <remarks><para>
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/// The small bitmap descriptor and its bit buffer are owned by the cache and should never be freed by the
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/// application. They might as well disappear from memory on the next cache lookup, so don't treat them as
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/// persistent data.
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/// </para><para>
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/// The descriptor's ‘buffer’ field is set to 0 to indicate a missing glyph bitmap.
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/// </para><para>
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/// If ‘node’ is not NULL, it receives the address of the cache node containing the bitmap, after
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/// increasing its reference count. This ensures that the node (as well as the image) will always be kept in
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/// the cache until you call <see cref="Node.Unref"/> to ‘release’ it.
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/// </para><para>
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/// If ‘node’ is NULL, the cache node is left unchanged, which means that the bitmap could be
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/// flushed out of the cache on the next call to one of the caching sub-system APIs. Don't assume that it is
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/// persistent!
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/// </para></remarks>
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/// <param name="type">A pointer to the glyph image type descriptor.</param>
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/// <param name="gIndex">The glyph index.</param>
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/// <param name="node">
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/// Used to return the address of of the corresponding cache node after incrementing its reference count (see
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/// note below).
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/// </param>
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/// <returns>A handle to a small bitmap descriptor.</returns>
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[CLSCompliant(false)]
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public SBit Lookup(ImageType type, uint gIndex, out Node node)
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{
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if (parentManager.IsDisposed)
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throw new ObjectDisposedException("Reference", "Cannot access a disposed object.");
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IntPtr sbitRef, nodeRef;
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Error err = FT.FTC_SBitCache_Lookup(Reference, type.Reference, gIndex, out sbitRef, out nodeRef);
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if (err != Error.Ok)
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throw new FreeTypeException(err);
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node = new Node(nodeRef);
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return new SBit(sbitRef);
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}
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/// <summary>
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/// A variant of <see cref="SBitCache.Lookup"/> that uses a <see cref="Scaler"/> to specify the face ID and its
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/// size.
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/// </summary>
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/// <remarks><para>
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/// The small bitmap descriptor and its bit buffer are owned by the cache and should never be freed by the
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/// application. They might as well disappear from memory on the next cache lookup, so don't treat them as
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/// persistent data.
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/// </para><para>
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/// The descriptor's ‘buffer’ field is set to 0 to indicate a missing glyph bitmap.
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/// </para><para>
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/// If ‘node’ is not NULL, it receives the address of the cache node containing the bitmap, after
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/// increasing its reference count. This ensures that the node (as well as the image) will always be kept in
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/// the cache until you call <see cref="Node.Unref"/> to ‘release’ it.
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/// </para><para>
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/// If ‘node’ is NULL, the cache node is left unchanged, which means that the bitmap could be
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/// flushed out of the cache on the next call to one of the caching sub-system APIs. Don't assume that it is
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/// persistent!
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/// </para></remarks>
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/// <param name="scaler">A pointer to the scaler descriptor.</param>
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/// <param name="loadFlags">The corresponding load flags.</param>
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/// <param name="gIndex">The glyph index.</param>
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/// <param name="node">
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/// Used to return the address of of the corresponding cache node after incrementing its reference count (see
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/// note below).
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/// </param>
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/// <returns>A handle to a small bitmap descriptor.</returns>
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[CLSCompliant(false)]
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public SBit LookupScaler(Scaler scaler, LoadFlags loadFlags, uint gIndex, out Node node)
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{
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if (parentManager.IsDisposed)
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throw new ObjectDisposedException("Reference", "Cannot access a disposed object.");
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IntPtr sbitRef, nodeRef;
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Error err = FT.FTC_SBitCache_LookupScaler(Reference, scaler.Reference, loadFlags, gIndex, out sbitRef, out nodeRef);
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if (err != Error.Ok)
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throw new FreeTypeException(err);
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node = new Node(nodeRef);
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return new SBit(sbitRef);
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}
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#endregion
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}
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}
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