98 lines
3.4 KiB
C#
98 lines
3.4 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="TextureBufferImage.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the ¡°Software¡±), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED ¡°AS IS¡±,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using StgSharp;
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using StgSharp.Graphics.OpenGL;
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using StgSharp.Math;
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using System;
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namespace StgSharp.Graphics
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{
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public class TextureImage : IImageProvider
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{
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private byte[] _data;
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private ImageInfo _imageInfo;
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private int _pixelUpdateCount = 0;
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public TextureImage(
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Vec2 size,
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ImageChannel channel,
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PixelChannelLayout layout,
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int bufferSize )
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{
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this._imageInfo = new ImageInfo
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{
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Width = ( int )size.X,
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Height = ( int )size.Y,
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Channel = channel,
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pixelLayout = layout,
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};
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if( bufferSize < _imageInfo.Width * _imageInfo.Height * GlHelper.GetPixelSize(
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layout, channel ) ) {
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throw new OverflowException(
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"Size of data buffer is smaller than default image size." );
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}
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_data = new byte[bufferSize];
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}
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public int Width
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{
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get => _imageInfo.Width;
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internal set => _imageInfo.Width = value;
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}
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public int Height
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{
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get => _imageInfo.Height;
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internal set => _imageInfo.Height = value;
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}
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public Image ProvideImage()
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{
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return Image.FromMemory( _imageInfo, _data, _pixelUpdateCount );
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}
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public void Resize( int width, int height )
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{
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if( _data.Length < width * height * GlHelper.GetPixelSize(
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_imageInfo.pixelLayout, _imageInfo.Channel ) ) {
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throw new OverflowException(
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"Size of image is larger than capacity of sata buffer." );
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}
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Width = width;
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Height = height;
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_pixelUpdateCount++;
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}
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}
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} |