将多页图像转换为反向动画GIF - WinForms c#

//在顶部使用块使用系统;使用先;使用System.Drawing;使用System.Windows.Forms;使用Leadtools;使用Leadtools.Controls;使用Leadtools.Codecs;使用Leadtools.Drawing;

私人RasterPictureBox _pictureBox;RasterImage _forwardImage =零；RasterImage _rever沉淀物=零；CodecsImageInfo _imageInfo;

私人无效Form1_Load (对象发送者，EventArgs｛_pictureBox =新RasterPictureBox ();_pictureBox。SizeMode = RasterPictureBoxSizeMode.Fit;_pictureBox。AutoDisposeImage =假；RasterPaintProperties = _pictureBox.PaintProperties;paintProperties。PaintEngine = RasterPaintEngine.GdiPlus;_pictureBox。PaintProperties = PaintProperties;_pictureBox。Dock = DockStyle.Fill;_pictureBox。BackColor = color .深灰色;Controls.Add (_pictureBox);_pictureBox.BringToFront ();｝

私人无效openToolStripMenuItem_Click (对象发送者，EventArgs｛｛试一试｛使用(RasterCodecs codecs =新RasterCodecs ())｛OpenFileDialog dlg =新OpenFileDialog ();了解地理。过滤器="GIF图像|*. GIF |所有文件|*.*"；如果(了解。ShowDialog (这) == dialgresult . ok)｛var信息= codecs.GetInformation(dg . filename，真正的);如果(信息。TotalPages < 2)｛对话框。显示(“文件没有多帧。不加载”。);返回；｝_imageInfo = info;varloadedImage = codecs.Load(dlg。文件Name, 0, CodecsLoadByteOrder.BgrOrGray, 1, -1);AnimateAndReverse (loadedImage);_pictureBox。Image = _forwardImage;_pictureBox.StopAnimation ();｝｝｝抓(异常交货)｛MessageBox.Show (ex.ToString ());｝｝｝

私人无效AnimateAndReverse (RasterImage originalImage之下)｛为（intI = 1;i <= originalImage.PageCount;我+ +)｛originalImage之下。Page = i;//如果帧没有延时，添加一个默认值如果(originalImage之下。动画Delay == 0)originalImage之下。动画Delay = 50;｝//如果原始图像没有动画，保存然后加载GIF动画如果(_imageInfo.Gif.HasAnimationLoop !)originalImage = SetGifProperties(originalImage);_forwardImage = originalImage;_forwardImage。Page = 1;vartmpImage = flatandreverse (originalImage);_rever沉淀物= SetGifProperties(tmpImage);｝

私人SetGifProperties(光栅图像)｛使用(RasterCodecs codecs =新RasterCodecs ())｛//保存为GIF并重新加载以方便设置动画属性MemoryStream ms =新MemoryStream ();的形象。Page = 1;编解码器。Save(image, ms, RasterImageFormat.Gif, 8);ms.Position = 0;_imageInfo =编解码器。GetInformation(女士,真正的);图像=编解码器。负载（ms, 24, CodecsLoadByteOrder.BgrOrGray, 1, -1);ms.Dispose ();返回形象;｝｝

私人RasterImage inputImage｛intw = inputImage.AnimationGlobalSize。宽度，h = inputImage.AnimationGlobalSize.Height;如果(w <= 0)w = inputImage.Width;如果(h <= 0)h = inputImage.Height;RasterImage renderImage =新RasterImage (RasterMemoryFlags。传统的,w,h,inputImage。BitsPerPixel,inputImage。订单,inputImage。ViewPerspective,零，IntPtr。零,0);//从动画图像复制调色板到这个新创建的图像inputImage.CopyPaletteTo (renderImage);RasterImage flatImage =零；//创建RasterImageAnimator对象RasterImageAnimator _animator =新RasterImageAnimator (renderImage inputImage);//动画化，并以相反的顺序保存帧//使用GDI+油漆引擎支持透明颜色RasterPaintProperties props = _pictureBox.PaintProperties;道具。PaintEngine = RasterPaintEngine.GdiPlus;使用(RasterImageGdiPlusGraphicsContainer _gdiPlusGraphics =新RasterImageGdiPlusGraphicsContainer (renderImage))｛图形g = _gdiPlusGraphics.Graphics;RasterImageAnimatorState状态;保龄球做=假；而(!)｛LeadRect srcRect =新LeadRect(0,0, renderImage.)ImageWidth renderImage.ImageHeight);LeadRect updateRect;LeadRect destRect;state = _animation . process ();开关(状态)｛情况下RasterImageAnimatorState。WaitDelay:情况下RasterImageAnimatorState。WaitInputDelay://设置动画延迟到插入的最后一帧flatImage。动画Delay = _animator.Delay;_animator.CancelWait ();打破；情况下RasterImageAnimatorState。呈现:打破；情况下RasterImageAnimatorState。WaitInput://如果动画图像有“等待用户输入”标志，//取消等待_animator.CancelWait ();打破；情况下RasterImageAnimatorState。PostRender://获取目标图像中发生变化的区域updat勃起= _animator。GetUpdateRectangle (真正的);destRect =新LeadRect(0,0, renderImage.)ImageWidth renderImage.ImageHeight);//绘制RasterImagePainter。绘制(renderImage, g, srcRect, updat勃起，destRect, destRect, props);如果(flatImage = =零）flatImage = renderImage.Clone();其他的flatImage。在sertPage(0, renderImage.Clone());//在开始位置插入以反转帧flatImage。Page = 1;//新插入的帧总是编号1flatImage。动画Delay = 50;//如果动画没有提供值，请设置。打破；情况下RasterImageAnimatorState。结束:做=真正的；//一旦动画完成，就存在循环打破；默认的：打破；｝｝｝返回flatImage;｝

私人无效saveReversedToolStripMenuItem_Click (对象发送者，EventArgs｛如果(_reversedImage = =零）｛对话框。显示(“救不了!”请先加载图像”);返回；｝试一试｛SaveFileDialog saveDlg =新SaveFileDialog ();saveDlg。过滤器=“GIF图像| * GIF”；如果(saveDlg。ShowDialog (这) != dialgresult . ok)返回；使用(RasterCodecs codecs =新RasterCodecs ())｛codecs.Save (_pictureBox。形象,saveDlg。文件Name, RasterImageFormat.Gif, 8);｝｝抓(异常交货)｛MessageBox.Show (ex.ToString ());｝｝

私人无效playForwardToolStripMenuItem_Click (对象发送者，EventArgs｛如果(_forwardImage = =零）｛对话框。显示(“无法播放动画!请先加载图像”);返回；｝_pictureBox。Image = _forwardImage;_pictureBox。动画Mode = RasterPictureBoxAnimationMode.Infinite;_pictureBox.PlayAnimation ();｝

私人无效playReversedToolStripMenuItem_Click (对象发送者，EventArgs｛如果(_reversedImage = =零）｛对话框。显示(“无法播放动画!请先加载图像”);返回；｝_pictureBox。Image = _rever沉淀物;_pictureBox。动画Mode = RasterPictureBoxAnimationMode.Infinite;_pictureBox.PlayAnimation ();｝

私人无效stopToolStripMenuItem_Click (对象发送者，EventArgs｛_pictureBox.StopAnimation ();｝