public System.Drawing.Bitmap FlushToBitmap()
{
byte[] bits = new byte[width * height * 4];
memStream = new System.IO.MemoryStream(bits);
var stream = new SharpDX.WIC.WICStream(wicFactory, memStream);
// Initialize a Jpeg encoder with this stream
var encoder = new SharpDX.WIC.BitmapEncoder(wicFactory, SharpDX.WIC.ContainerFormatGuids.Bmp);
encoder.Initialize(stream);
// Create a Frame encoder
var bitmapFrameEncode = new SharpDX.WIC.BitmapFrameEncode(encoder);
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(width, height);
var pixelFormatGuid = SharpDX.WIC.PixelFormat.FormatDontCare;
bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid);
bitmapFrameEncode.WriteSource(wicBitmap);
bitmapFrameEncode.Commit();
encoder.Commit();
bitmapFrameEncode.Dispose();
encoder.Dispose();
stream.Dispose();
return((System.Drawing.Bitmap)System.Drawing.Bitmap.FromStream(memStream));
}
public void Dispose()
{
if (stream != null)
{
stream.Dispose();
stream = null;
}
if (d2dRenderTarget != null)
{
d2dRenderTarget.Dispose();
d2dRenderTarget = null;
}
if (wicBitmap != null)
{
wicBitmap.Dispose();
wicBitmap = null;
}
if (d2dFactory != null)
{
d2dFactory.Dispose();
d2dFactory = null;
}
if (wicFactory != null)
{
wicFactory.Dispose();
wicFactory = null;
}
if (memStream != null)
{
memStream.Dispose();
}
}
/// <summary>
/// 创建图片
/// </summary>
/// <param name="wicFactory"></param>
/// <param name="fileName"></param>
/// <returns></returns>
static SharpDX.WIC.FormatConverter CreateWicImage(SharpDX.WIC.ImagingFactory wicFactory, string fileName)
{
using var decoder = new SharpDX.WIC.JpegBitmapDecoder(wicFactory);
using var decodeStream = new SharpDX.WIC.WICStream(wicFactory, fileName, SharpDX.IO.NativeFileAccess.Read);
decoder.Initialize(decodeStream, SharpDX.WIC.DecodeOptions.CacheOnLoad);
using var decodeFrame = decoder.GetFrame(0);
var converter = new SharpDX.WIC.FormatConverter(wicFactory);
converter.Initialize(decodeFrame, SharpDX.WIC.PixelFormat.Format32bppPBGRA);
return(converter);
}
public void Save(string filePath)
{
using (SharpDX.WIC.WICStream wICStream = new SharpDX.WIC.WICStream(imagingFactory, filePath, SharpDX.IO.NativeFileAccess.Write))
using (SharpDX.WIC.PngBitmapEncoder encoder = new SharpDX.WIC.PngBitmapEncoder(imagingFactory))
{
encoder.Initialize(wICStream);
using (SharpDX.WIC.BitmapFrameEncode bitmapFrameEncode = new SharpDX.WIC.BitmapFrameEncode(encoder))
{
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize((int)this.Width, (int)this.Height);
var pixelFormatGuid = SharpDX.WIC.PixelFormat.FormatDontCare;
bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid);
bitmapFrameEncode.WriteSource(wicBitmap);
bitmapFrameEncode.Commit();
encoder.Commit();
}
}
}
public static void SaveToTiff(SharpDX.WIC.ImagingFactory imagingFactory, UnmanagedImage image, string filename, Guid format, int bytesPerPixel)
{
var file = new System.IO.FileStream(filename, System.IO.FileMode.Create);
var stream = new SharpDX.WIC.WICStream(imagingFactory, file);
var encoder = new SharpDX.WIC.BitmapEncoder(imagingFactory, SharpDX.WIC.ContainerFormatGuids.Tiff);
encoder.Initialize(stream);
var bitmapFrameEncode = new SharpDX.WIC.BitmapFrameEncode(encoder);
//bitmapFrameEncode.Options.TiffCompressionMethod = SharpDX.WIC.TiffCompressionOption.None;
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(image.Width, image.Height);
bitmapFrameEncode.SetPixelFormat(ref format);
bitmapFrameEncode.WritePixels(image.Height, image.DataIntPtr, image.Width * bytesPerPixel);
bitmapFrameEncode.Commit();
encoder.Commit();
bitmapFrameEncode.Dispose();
encoder.Dispose();
stream.Dispose();
file.Close();
file.Dispose();
}
