87 lines
2.8 KiB
C#
87 lines
2.8 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="TextureProvider"
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// Project: StgSharp
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// AuthorGroup: Nitload
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// Copyright (c) Nitload. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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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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//
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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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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using StgSharp.Mathematics.Graphic;
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using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Runtime.CompilerServices;
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namespace StgSharp.Graphics
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{
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public class TextureProvider : IImageProvider
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{
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private Vec2[] _texCoord;
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private Image _tex;
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public TextureProvider(Image image, Vec2[] coord)
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{
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_tex = image;
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_texCoord = coord;
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}
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public ref Vec2 this[int index]
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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get => ref _texCoord[index];
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}
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public Span<Vec2> TextureCoordinate
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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get => new Span<Vec2>(_texCoord);
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}
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public Image ProvideImage()
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{
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return _tex;
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}
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public void ReadImage(IImageProvider provider)
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{
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_tex = provider.ProvideImage();
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}
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public void UpdateFromImage([NotNull]Image i)
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{
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if (i == _tex) {
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return;
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}
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if (i.Size == _tex.Size)
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{
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_tex = i;
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} else
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{
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throw new ArgumentException(
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$"Size of {nameof(i)} does not equals to current image.");
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}
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}
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}
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}
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