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C# Bitmap.Lock方法代码示例

本文整理汇总了C#中Bitmap.Lock方法的典型用法代码示例。如果您正苦于以下问题:C# Bitmap.Lock方法的具体用法?C# Bitmap.Lock怎么用?C# Bitmap.Lock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.Lock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: colorFrameReader_FrameArrived

        void colorFrameReader_FrameArrived(object sender, ColorFrameArrivedEventArgs e)
        {
            var colorFrame = e.FrameReference.AcquireFrame();
            if (colorFrame != null)
            {
                using (colorFrame)
                {
                    lastColorGain = colorFrame.ColorCameraSettings.Gain;
                    lastColorExposureTimeTicks = colorFrame.ColorCameraSettings.ExposureTime.Ticks;

                    if (yuvFrameReady.Count > 0)
                    {
                        lock (yuvByteBuffer)
                            colorFrame.CopyRawFrameDataToArray(yuvByteBuffer);
                        lock (yuvFrameReady)
                            foreach (var autoResetEvent in yuvFrameReady)
                                autoResetEvent.Set();
                    }

                    if ((rgbFrameReady.Count > 0) || (jpegFrameReady.Count > 0))
                    {
                        lock (rgbByteBuffer)
                            colorFrame.CopyConvertedFrameDataToArray(rgbByteBuffer, ColorImageFormat.Bgra);
                        lock (rgbFrameReady)
                            foreach (var autoResetEvent in rgbFrameReady)
                                autoResetEvent.Set();
                    }

                    if (jpegFrameReady.Count > 0)
                    {
                        // should be put in a separate thread?

                        stopWatch.Restart();

                        var bitmapSource = new Bitmap(imagingFactory, Kinect2Calibration.colorImageWidth, Kinect2Calibration.colorImageHeight, SharpDX.WIC.PixelFormat.Format32bppBGR, BitmapCreateCacheOption.CacheOnLoad);
                        var bitmapLock = bitmapSource.Lock(BitmapLockFlags.Write);
                        Marshal.Copy(rgbByteBuffer, 0, bitmapLock.Data.DataPointer, Kinect2Calibration.colorImageWidth * Kinect2Calibration.colorImageHeight * 4);
                        bitmapLock.Dispose();

                        var memoryStream = new MemoryStream();

                        //var fileStream = new FileStream("test" + frame++ + ".jpg", FileMode.Create);
                        //var stream = new WICStream(imagingFactory, "test" + frame++ + ".jpg", SharpDX.IO.NativeFileAccess.Write);

                        var stream = new WICStream(imagingFactory, memoryStream);

                        var jpegBitmapEncoder = new JpegBitmapEncoder(imagingFactory);
                        jpegBitmapEncoder.Initialize(stream);

                        var bitmapFrameEncode = new BitmapFrameEncode(jpegBitmapEncoder);
                        bitmapFrameEncode.Options.ImageQuality = 0.5f;
                        bitmapFrameEncode.Initialize();
                        bitmapFrameEncode.SetSize(Kinect2Calibration.colorImageWidth, Kinect2Calibration.colorImageHeight);
                        var pixelFormatGuid = PixelFormat.FormatDontCare;
                        bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid);
                        bitmapFrameEncode.WriteSource(bitmapSource);

                        bitmapFrameEncode.Commit();
                        jpegBitmapEncoder.Commit();

                        //fileStream.Close();
                        //fileStream.Dispose();

                        //Console.WriteLine(stopWatch.ElapsedMilliseconds + "ms " + memoryStream.Length + " bytes");

                        lock (jpegByteBuffer)
                        {
                            nJpegBytes = (int)memoryStream.Length;
                            memoryStream.Seek(0, SeekOrigin.Begin);
                            memoryStream.Read(jpegByteBuffer, 0, nJpegBytes);
                        }
                        lock (jpegFrameReady)
                            foreach (var autoResetEvent in jpegFrameReady)
                                autoResetEvent.Set();

                        //var file = new FileStream("test" + frame++ + ".jpg", FileMode.Create);
                        //file.Write(jpegByteBuffer, 0, nJpegBytes);
                        //file.Close();

                        bitmapSource.Dispose();
                        memoryStream.Close();
                        memoryStream.Dispose();
                        stream.Dispose();
                        jpegBitmapEncoder.Dispose();
                        bitmapFrameEncode.Dispose();
                    }
                }
            }
        }
开发者ID:vertgo,项目名称:RoomAliveToolkit,代码行数:89,代码来源:KinectServer2.cs


注:本文中的Bitmap.Lock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。