Files
stgsharp/StgSharp.Graphics/TextureProvider.cs
T
2026-02-28 00:54:32 +08:00

96 lines
2.9 KiB
C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="TextureProvider"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.Mathematics.Graphics;
using System;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;
namespace StgSharp.Graphics
{
public class TextureProvider : IImageProvider
{
private Vec2[] _texCoord;
private Image _tex;
public TextureProvider(
Image image,
Vec2[] coord
)
{
_tex = image;
_texCoord = coord;
}
public ref Vec2 this[
int index
]
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => ref _texCoord[index];
}
public Span<Vec2> TextureCoordinate
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => new Span<Vec2>(_texCoord);
}
public Image ProvideImage()
{
return _tex;
}
public void ReadImage(
IImageProvider provider
)
{
_tex = provider.ProvideImage();
}
public void UpdateFromImage(
[NotNull]Image i
)
{
if (i == _tex) {
return;
}
if (i.Size == _tex.Size)
{
_tex = i;
} else
{
throw new ArgumentException(
$"Size of {nameof(i)} does not equals to current image.");
}
}
}
}