private GetPlainTextEx ( Stream stream ) : PlainTextEx | ||
stream | Stream | |
Результат | PlainTextEx |
/// <summary> /// ��gifͼ���ļ����н��� /// </summary> /// <param name="gifPath">gif�ļ�·��</param> internal static GifImage Decode(string gifPath) { FileStream fs=null; StreamHelper streamHelper=null; GifImage gifImage = new GifImage(); List<GraphicEx> graphics = new List<GraphicEx>(); int frameCount = 0; try { fs = new FileStream(gifPath,FileMode.Open); streamHelper = new StreamHelper(fs); //��ȡ�ļ�ͷ gifImage.Header = streamHelper.ReadString(6); //��ȡ����Ļ��ʾ�� gifImage.LogicalScreenDescriptor = streamHelper.GetLCD(fs); if (gifImage.LogicalScreenDescriptor.GlobalColorTableFlag) { //��ȡȫ����ɫ�б� gifImage.GlobalColorTable = streamHelper.ReadByte(gifImage.LogicalScreenDescriptor.GlobalColorTableSize * 3); } int nextFlag = streamHelper.Read(); while (nextFlag != 0) { if (nextFlag == GifExtensions.ImageLabel) { ReadImage(streamHelper, fs, gifImage, graphics, frameCount); frameCount++; } else if (nextFlag == GifExtensions.ExtensionIntroducer) { int gcl = streamHelper.Read(); switch (gcl) { case GifExtensions.GraphicControlLabel: { GraphicEx graphicEx = streamHelper.GetGraphicControlExtension(fs); graphics.Add(graphicEx); break; } case GifExtensions.CommentLabel: { CommentEx comment = streamHelper.GetCommentEx(fs); gifImage.CommentExtensions.Add(comment); break; } case GifExtensions.ApplicationExtensionLabel: { ApplicationEx applicationEx = streamHelper.GetApplicationEx(fs); gifImage.ApplictionExtensions.Add(applicationEx); break; } case GifExtensions.PlainTextLabel: { PlainTextEx textEx = streamHelper.GetPlainTextEx(fs); gifImage.PlainTextEntensions.Add(textEx); break; } } } else if (nextFlag == GifExtensions.EndIntroducer) { //�����ļ�β break; } nextFlag = streamHelper.Read(); } } catch { throw; } finally { fs.Close(); } return gifImage; }
internal static GifImage Decode(Stream stream) { StreamHelper streamHelper = null; GifImage gifImage = new GifImage(); List <GraphicEx> graphics = new List <GraphicEx>(); int frameCount = 0; try { streamHelper = new StreamHelper(stream); //读取文件头 gifImage.Header = streamHelper.ReadString(6); //读取逻辑屏幕标示符 gifImage.LogicalScreenDescriptor = streamHelper.GetLCD(stream); if (gifImage.LogicalScreenDescriptor.GlobalColorTableFlag) { //读取全局颜色列表 gifImage.GlobalColorTable = streamHelper.ReadByte(gifImage.LogicalScreenDescriptor.GlobalColorTableSize * 3); } int nextFlag = streamHelper.Read(); while (nextFlag != 0) { if (nextFlag == GifExtensions.ImageLabel) { ReadImage(streamHelper, stream, gifImage, graphics, frameCount); frameCount++; } else if (nextFlag == GifExtensions.ExtensionIntroducer) { int gcl = streamHelper.Read(); switch (gcl) { case GifExtensions.GraphicControlLabel: { GraphicEx graphicEx = streamHelper.GetGraphicControlExtension(stream); graphics.Add(graphicEx); break; } case GifExtensions.CommentLabel: { CommentEx comment = streamHelper.GetCommentEx(stream); gifImage.CommentExtensions.Add(comment); break; } case GifExtensions.ApplicationExtensionLabel: { ApplicationEx applicationEx = streamHelper.GetApplicationEx(stream); gifImage.ApplictionExtensions.Add(applicationEx); break; } case GifExtensions.PlainTextLabel: { PlainTextEx textEx = streamHelper.GetPlainTextEx(stream); gifImage.PlainTextEntensions.Add(textEx); break; } } } else if (nextFlag == GifExtensions.EndIntroducer) { //到了文件尾 break; } nextFlag = streamHelper.Read(); } gifImage.Texture = new Texture2D(gifImage.Width, gifImage.Height, TextureFormat.ARGB32, false); } catch { throw; } finally { stream.Close(); } return(gifImage); }
/// <summary> /// 对gif图像文件进行解码 /// </summary> /// <param name="gifPath">gif文件路径</param> public static GifImage Decode(string gifPath) { FileStream fs = null; StreamHelper streamHelper = null; GifImage gifImage = new GifImage(); List <GraphicEx> graphics = new List <GraphicEx>(); int frameCount = 0; // try // { fs = new FileStream(gifPath, FileMode.Open); streamHelper = new StreamHelper(fs); //读取文件头 gifImage.Header = streamHelper.ReadString(6); //读取逻辑屏幕标示符 gifImage.LogicalScreenDescriptor = streamHelper.GetLCD(fs); if (gifImage.LogicalScreenDescriptor.GlobalColorTableFlag) { //读取全局颜色列表 gifImage.GlobalColorTable = streamHelper.ReadByte(gifImage.LogicalScreenDescriptor.GlobalColorTableSize * 3); } int nextFlag = streamHelper.Read(); while (nextFlag != 0) { if (nextFlag == GifExtensions.ImageLabel) { ReadImage(streamHelper, fs, gifImage, graphics, frameCount); frameCount++; } else if (nextFlag == GifExtensions.ExtensionIntroducer) { int gcl = streamHelper.Read(); switch (gcl) { case GifExtensions.GraphicControlLabel: { GraphicEx graphicEx = streamHelper.GetGraphicControlExtension(fs); graphics.Add(graphicEx); break; } case GifExtensions.CommentLabel: { CommentEx comment = streamHelper.GetCommentEx(fs); gifImage.CommentExtensions.Add(comment); break; } case GifExtensions.ApplicationExtensionLabel: { ApplicationEx applicationEx = streamHelper.GetApplicationEx(fs); gifImage.ApplictionExtensions.Add(applicationEx); break; } case GifExtensions.PlainTextLabel: { PlainTextEx textEx = streamHelper.GetPlainTextEx(fs); gifImage.PlainTextEntensions.Add(textEx); break; } } } else if (nextFlag == GifExtensions.EndIntroducer) { //到了文件尾 break; } nextFlag = streamHelper.Read(); } // } // catch // { // throw; // } // finally // { fs.Close(); // } return(gifImage); }