Leadtools.Codecs Namespace > RasterCodecs Class > GetInformation Method : GetInformation(String,Boolean) Method |
public CodecsImageInfo GetInformation( string fileName, bool totalPages )
'Declaration Public Overloads Function GetInformation( _ ByVal fileName As String, _ ByVal totalPages As Boolean _ ) As CodecsImageInfo
'Usage Dim instance As RasterCodecs Dim fileName As String Dim totalPages As Boolean Dim value As CodecsImageInfo value = instance.GetInformation(fileName, totalPages)
public CodecsImageInfo GetInformation( string fileName, bool totalPages )
function Leadtools.Codecs.RasterCodecs.GetInformation(String,Boolean)( fileName , totalPages )
public: CodecsImageInfo^ GetInformation( String^ fileName, bool totalPages )
Specifying true for totalPages can cause the process to be slow for files with large number of pages.
Public Sub GetInformationStringExample() 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 info As CodecsImageInfo = codecs.GetInformation(srcFileName, 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() End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void GetInformationStringExample() { RasterCodecs codecs = new RasterCodecs(); // Get Information on a GIF image file and write it out string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "eye.gif"); CodecsImageInfo info = codecs.GetInformation(srcFileName, 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(); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
RasterCodecsExamples.prototype.GetInformationStringExample = function () { Tools.SetLicense(); with (Leadtools) { with (Leadtools.Codecs) { var codecs = new RasterCodecs(); // Get Information on a GIF image file and write it out var srcFileName = "Assets\\eye.gif"; var image; return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) { var info = null; return codecs.getInformationAsync(LeadStreamFactory.create(loadFile), true, 1) }) .then(function (info) { console.info("Information for: ", srcFileName); console.info("BitsPerPixel: ", info.bitsPerPixel); console.info("BytesPerLine: ", info.bytesPerLine); console.info("ColorSpace: ", info.colorSpace.toString()); console.info("Compresion: ", info.compression); console.info("Fax: ", info.fax); console.info("Format: ", info.format); if (info.gif.hasAnimationBackground) console.info("Gif.AnimationBackground: ", RasterColorHelper.getStringDescription(info.gif.animationBackground)); console.info("Gif.AnimationHeight: ", info.gif.animationHeight); console.info("Gif.AnimationWidth: ", info.gif.animationWidth); if (info.gif.hasAnimationLoop) console.info("Gif.AnimationLoop: ", info.gif.animationLoop.toString()); if (info.gif.hasAnimationPalette) { var pal = info.gif.getAnimationPalette(); console.info("GifAnimationPalette:"); for (var x = 0; x < pal.length; x++) { console.info(RasterColorHelper.getStringDescription(pal[x])); } console.info("\n"); } console.info("Gif.IsInterlaced: ", info.gif.isInterlaced.toString()); console.info("PageNumber: ", info.pageNumber); console.info("TotalPages: ", info.totalPages); // Clean up codecs.close(); }, function (ex) { var error = ""; var rasterException = RasterException.fromHResult(ex.number); if (rasterException != null) error = rasterException.message; else error = ex.message; console.info(error); }); } } }
[TestMethod] public async Task GetInformationStringExample() { RasterCodecs codecs = new RasterCodecs(); // Get Information on a GIF image file and write it out string srcFileName = @"Assets\eye.gif"; StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName); CodecsImageInfo info = null; try { info = await codecs.GetInformationAsync(LeadStreamFactory.Create(loadFile), true, 1); } catch (Exception ex) { string error=""; RasterException rasterException = RasterException.FromHResult(ex.HResult); if (rasterException != null) error = rasterException.Message; else error = ex.Message; Debug.WriteLine(error); Assert.Fail(error); } Debug.WriteLine("Information for: {0}", srcFileName); 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}", RasterColorHelper.GetStringDescription(info.Gif.AnimationBackground))); 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(RasterColorHelper.GetStringDescription(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 codecs.Dispose(); }
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