Leadtools.Codecs Namespace > RasterCodecs Class > GetInformation Method : GetInformation(Stream,Boolean) Method |
public CodecsImageInfo GetInformation( Stream stream, bool totalPages )
'Declaration Public Overloads Function GetInformation( _ ByVal stream As Stream, _ ByVal totalPages As Boolean _ ) As CodecsImageInfo
'Usage Dim instance As RasterCodecs Dim stream As Stream Dim totalPages As Boolean Dim value As CodecsImageInfo value = instance.GetInformation(stream, totalPages)
public CodecsImageInfo GetInformation( Stream stream, bool totalPages )
function Leadtools.Codecs.RasterCodecs.GetInformation(Stream,Boolean)( stream , totalPages )
public: CodecsImageInfo^ GetInformation( Stream^ stream, bool totalPages )
Specifying true for totalPages can cause the process to be slow for files with large number of pages.
Public Sub GetInformationStreamExample() Dim codecs As RasterCodecs = New RasterCodecs() ' Get Information on a GIF image file and write it out Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "eye.gif") Dim fileInMemory As FileStream = New FileStream(srcFileName, FileMode.Open) Dim info As CodecsImageInfo = codecs.GetInformation(fileInMemory, True) Console.WriteLine("Information for: {0}", srcFileName) Console.WriteLine(String.Format("BitsPerPixel: {0}", info.BitsPerPixel)) Console.WriteLine(String.Format("BytesPerLine: {0}", info.BytesPerLine)) Console.WriteLine(String.Format("ColorSpace: {0}", info.ColorSpace.ToString())) Console.WriteLine(String.Format("Compresion: {0}", info.Compression)) Console.WriteLine(String.Format("Fax: {0}", info.Fax)) Console.WriteLine(String.Format("Format: {0}", info.Format)) If info.Gif.HasAnimationBackground Then Console.WriteLine(String.Format("Gif.AnimationBackground: {0}", info.Gif.AnimationBackground.ToString())) End If Console.WriteLine(String.Format("Gif.AnimationHeight: {0}", info.Gif.AnimationHeight)) Console.WriteLine(String.Format("Gif.AnimationWidth: {0}", info.Gif.AnimationWidth)) If info.Gif.HasAnimationLoop Then Console.WriteLine(String.Format("Gif.AnimationLoop: {0}", info.Gif.AnimationLoop.ToString())) End If If info.Gif.HasAnimationPalette Then Dim pal As RasterColor() = info.Gif.GetAnimationPalette() Console.WriteLine("GifAnimationPalette:" & Constants.vbLf) Dim x As Integer = 0 Do While x < pal.Length Console.Write("{0},", pal(x)) x += 1 Loop Console.WriteLine(Constants.vbLf) End If Console.WriteLine(String.Format("Gif.IsInterlaced: {0}", info.Gif.IsInterlaced.ToString())) Console.WriteLine(String.Format("PageNumber: {0}", info.PageNumber)) Console.WriteLine(String.Format("TotalPages: {0}", info.TotalPages)) ' Clean up codecs.Dispose() fileInMemory.Close() fileInMemory.Dispose() End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void GetInformationStreamExample() { RasterCodecs codecs = new RasterCodecs(); // Get Information on a GIF image file and write it out string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "eye.gif"); FileStream fileInMemory = new FileStream(srcFileName, FileMode.Open); CodecsImageInfo info = codecs.GetInformation(fileInMemory, true); Console.WriteLine("Information for: {0}", srcFileName); Console.WriteLine(string.Format("BitsPerPixel: {0}", info.BitsPerPixel)); Console.WriteLine(string.Format("BytesPerLine: {0}", info.BytesPerLine)); Console.WriteLine(string.Format("ColorSpace: {0}", info.ColorSpace.ToString())); Console.WriteLine(string.Format("Compresion: {0}", info.Compression)); Console.WriteLine(string.Format("Fax: {0}", info.Fax)); Console.WriteLine(string.Format("Format: {0}", info.Format)); if (info.Gif.HasAnimationBackground) Console.WriteLine(string.Format("Gif.AnimationBackground: {0}", info.Gif.AnimationBackground.ToString())); Console.WriteLine(string.Format("Gif.AnimationHeight: {0}", info.Gif.AnimationHeight)); Console.WriteLine(string.Format("Gif.AnimationWidth: {0}", info.Gif.AnimationWidth)); if (info.Gif.HasAnimationLoop) Console.WriteLine(string.Format("Gif.AnimationLoop: {0}", info.Gif.AnimationLoop.ToString())); if (info.Gif.HasAnimationPalette) { RasterColor[] pal = info.Gif.GetAnimationPalette(); Console.WriteLine("GifAnimationPalette:\n"); for (int x = 0; x < pal.Length; x++) { Console.Write("{0},", pal[x]); } Console.WriteLine("\n"); } Console.WriteLine(string.Format("Gif.IsInterlaced: {0}", info.Gif.IsInterlaced.ToString())); Console.WriteLine(string.Format("PageNumber: {0}", info.PageNumber)); Console.WriteLine(string.Format("TotalPages: {0}", info.TotalPages)); // Clean up codecs.Dispose(); fileInMemory.Close(); fileInMemory.Dispose(); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
public void GetInformationStreamExample(Stream inStreamGif) { RasterCodecs codecs = new RasterCodecs(); // Get Information on a GIF image file and write it out CodecsImageInfo info = codecs.GetInformation(inStreamGif, true); Debug.WriteLine(string.Format("BitsPerPixel: {0}", info.BitsPerPixel)); Debug.WriteLine(string.Format("BytesPerLine: {0}", info.BytesPerLine)); Debug.WriteLine(string.Format("ColorSpace: {0}", info.ColorSpace.ToString())); Debug.WriteLine(string.Format("Compresion: {0}", info.Compression)); Debug.WriteLine(string.Format("Fax: {0}", info.Fax)); Debug.WriteLine(string.Format("Format: {0}", info.Format)); if(info.Gif.HasAnimationBackground) Debug.WriteLine(string.Format("Gif.AnimationBackground: {0}", info.Gif.AnimationBackground.ToString())); Debug.WriteLine(string.Format("Gif.AnimationHeight: {0}", info.Gif.AnimationHeight)); Debug.WriteLine(string.Format("Gif.AnimationWidth: {0}", info.Gif.AnimationWidth)); if(info.Gif.HasAnimationLoop) Debug.WriteLine(string.Format("Gif.AnimationLoop: {0}", info.Gif.AnimationLoop.ToString())); if(info.Gif.HasAnimationPalette) { RasterColor[] pal = info.Gif.GetAnimationPalette(); Debug.WriteLine("GifAnimationPalette:\n"); for(int x = 0; x < pal.Length; x++) { Debug.WriteLine("{0},", pal[x]); } Debug.WriteLine("\n"); } Debug.WriteLine(string.Format("Gif.IsInterlaced: {0}", info.Gif.IsInterlaced.ToString())); Debug.WriteLine(string.Format("PageNumber: {0}", info.PageNumber)); Debug.WriteLine(string.Format("TotalPages: {0}", info.TotalPages)); // Clean up inStreamGif.Close(); inStreamGif.Dispose(); }
Public Sub GetInformationStreamExample(ByVal inStreamGif As Stream) Dim codecs As RasterCodecs = New RasterCodecs() ' Get Information on a GIF image file and write it out Dim info As CodecsImageInfo = codecs.GetInformation(inStreamGif, True) Debug.WriteLine(String.Format("BitsPerPixel: {0}", info.BitsPerPixel)) Debug.WriteLine(String.Format("BytesPerLine: {0}", info.BytesPerLine)) Debug.WriteLine(String.Format("ColorSpace: {0}", info.ColorSpace.ToString())) Debug.WriteLine(String.Format("Compresion: {0}", info.Compression)) Debug.WriteLine(String.Format("Fax: {0}", info.Fax)) Debug.WriteLine(String.Format("Format: {0}", info.Format)) If info.Gif.HasAnimationBackground Then Debug.WriteLine(String.Format("Gif.AnimationBackground: {0}", info.Gif.AnimationBackground.ToString())) End If Debug.WriteLine(String.Format("Gif.AnimationHeight: {0}", info.Gif.AnimationHeight)) Debug.WriteLine(String.Format("Gif.AnimationWidth: {0}", info.Gif.AnimationWidth)) If info.Gif.HasAnimationLoop Then Debug.WriteLine(String.Format("Gif.AnimationLoop: {0}", info.Gif.AnimationLoop.ToString())) End If If info.Gif.HasAnimationPalette Then Dim pal As RasterColor() = info.Gif.GetAnimationPalette() Debug.WriteLine("GifAnimationPalette:" & Constants.vbLf) Dim x As Integer = 0 Do While x < pal.Length Debug.WriteLine("{0},", pal(x)) x += 1 Loop Debug.WriteLine(Constants.vbLf) End If Debug.WriteLine(String.Format("Gif.IsInterlaced: {0}", info.Gif.IsInterlaced.ToString())) Debug.WriteLine(String.Format("PageNumber: {0}", info.PageNumber)) Debug.WriteLine(String.Format("TotalPages: {0}", info.TotalPages)) ' Clean up inStreamGif.Close() inStreamGif.Dispose() End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2