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C# Bitmap.?.Dispose方法代码示例

本文整理汇总了C#中Bitmap.?.Dispose方法的典型用法代码示例。如果您正苦于以下问题:C# Bitmap.?.Dispose方法的具体用法?C# Bitmap.?.Dispose怎么用?C# Bitmap.?.Dispose使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Bitmap的用法示例。


在下文中一共展示了Bitmap.?.Dispose方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: SaveToStream

		/// <summary>
		/// Saves a texture to a stream as an image.
		/// </summary>
		/// <param name="texture">The texture to save.</param>
		/// <param name="imageFormat">The image format of the saved image.</param>
		/// <param name="imageResolutionInDpi">The image resolution in dpi.</param>
		/// <param name="toStream">The stream to save the texture to.</param>
		public static void SaveToStream(this Texture2D texture, System.Drawing.Imaging.ImageFormat imageFormat, double imageResolutionInDpi, System.IO.Stream toStream)
		{
			Texture2D textureCopy = null;
			ImagingFactory imagingFactory = null;
			Bitmap bitmap = null;
			BitmapEncoder bitmapEncoder = null;

			try
			{
				textureCopy = new Texture2D(texture.Device, new Texture2DDescription
				{
					Width = (int)texture.Description.Width,
					Height = (int)texture.Description.Height,
					MipLevels = 1,
					ArraySize = 1,
					Format = texture.Description.Format,
					Usage = ResourceUsage.Staging,
					SampleDescription = new SampleDescription(1, 0),
					BindFlags = BindFlags.None,
					CpuAccessFlags = CpuAccessFlags.Read,
					OptionFlags = ResourceOptionFlags.None
				});

				texture.Device.CopyResource(texture, textureCopy);

				DataRectangle dataRectangle = textureCopy.Map(0, MapMode.Read, SharpDX.Direct3D10.MapFlags.None);

				imagingFactory = new ImagingFactory();
				bitmap = new Bitmap(
						imagingFactory,
						textureCopy.Description.Width,
						textureCopy.Description.Height,
						PixelFormat.Format32bppBGRA,
						dataRectangle);

				toStream.Position = 0;

				if (imageFormat == System.Drawing.Imaging.ImageFormat.Png)
					bitmapEncoder = new PngBitmapEncoder(imagingFactory, toStream);
				else if (imageFormat == System.Drawing.Imaging.ImageFormat.Bmp)
					bitmapEncoder = new BmpBitmapEncoder(imagingFactory, toStream);
				else if (imageFormat == System.Drawing.Imaging.ImageFormat.Gif)
					bitmapEncoder = new GifBitmapEncoder(imagingFactory, toStream);
				else if (imageFormat == System.Drawing.Imaging.ImageFormat.Jpeg)
					bitmapEncoder = new JpegBitmapEncoder(imagingFactory, toStream);
				else if (imageFormat == System.Drawing.Imaging.ImageFormat.Tiff)
					bitmapEncoder = new TiffBitmapEncoder(imagingFactory, toStream);
				else
					bitmapEncoder = new PngBitmapEncoder(imagingFactory, toStream);

				using (var bitmapFrameEncode = new BitmapFrameEncode(bitmapEncoder))
				{
					bitmapFrameEncode.Initialize();
					bitmapFrameEncode.SetSize(bitmap.Size.Width, bitmap.Size.Height);
					var pixelFormat = PixelFormat.FormatDontCare;
					bitmapFrameEncode.SetPixelFormat(ref pixelFormat);
					bitmapFrameEncode.SetResolution(imageResolutionInDpi, imageResolutionInDpi);
					bitmapFrameEncode.WriteSource(bitmap);
					bitmapFrameEncode.Commit();
					bitmapEncoder.Commit();
				}
			}
			finally
			{
				bitmapEncoder?.Dispose();
				textureCopy?.Unmap(0);
				textureCopy?.Dispose();
				bitmap?.Dispose();
				imagingFactory?.Dispose();
			}
		}
开发者ID:Altaxo,项目名称:Altaxo,代码行数:78,代码来源:TextureExtensions.cs


注:本文中的Bitmap.?.Dispose方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。