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/Images/LCMS2/Apple ICC Profile to JPEG File


Required plugins for this example: MBS Images Plugin, MBS Util Plugin

You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Images/LCMS2/Apple ICC Profile to JPEG File

This example is the version from Tue, 1st Sep 2014.

Project "Apple ICC Profile to JPEG File.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open() dim ICCProfile as FolderItem = SpecialFolder.Desktop.Child("AdobeRGB.icc") dim InputFileGray as FolderItem = SpecialFolder.Desktop.Child("test-gray.jpg") dim InputFileCMYK as FolderItem = SpecialFolder.Desktop.Child("test-cmyk.jpg") dim InputFileRGB as FolderItem = SpecialFolder.Desktop.Child("test-rgb.jpg") // please provide all the files, including default profiles in Convert2. // simple version using picture for RGB only dim OutputFile as FolderItem = SpecialFolder.Desktop.Child("output.jpg") Convert1 InputFileRGB, OutputFile, ICCProfile OutputFile = SpecialFolder.Desktop.Child("output2.jpg") // Version 2 with CMYK/Gray support using memoryblock dim OutputFileRGB as FolderItem = SpecialFolder.Desktop.Child("output-rgb.jpg") dim OutputFileCMYK as FolderItem = SpecialFolder.Desktop.Child("output-cmyk.jpg") dim OutputFileGray as FolderItem = SpecialFolder.Desktop.Child("output-gray.jpg") Convert2 InputFileRGB, OutputFileRGB, ICCProfile Convert2 InputFileCMYK, OutputFileCMYK, ICCProfile Convert2 InputFileGray, OutputFileGray, ICCProfile quit End EventHandler
Sub Convert1(InputFile as FolderItem, OutputFile as FolderItem, ICCProfile as FolderItem) // simple version using picture for RGB only // read picture from JPEG file dim ji as new JPEGImporterMBS ji.ReadProfileData = true ji.File = InputFile ji.Import // we got picture and profile data from source JPEG dim InputPicture as Picture = ji.Picture dim InputProfileData as String = ji.ProfileData // read new profile into memory dim OutputProfileData as string = ReadFile(ICCProfile) dim OutputProfile as LCMS2ProfileMBS = LCMS2ProfileMBS.OpenProfileFromString(OutputProfileData) // now define our input profile dim InputProfile as LCMS2ProfileMBS if InputProfileData = "" then // use SRGB profile InputProfile = LCMS2ProfileMBS.CreateSRGBProfile InputProfileData = InputProfile.SaveProfileToString else // use profile in file InputProfile = LCMS2ProfileMBS.OpenProfileFromString(InputProfileData) end if // now create input picture using given bitmap dim bi as new LCMS2BitmapMBS(InputPicture) // and create RGB output bitmap with same size dim bo as new LCMS2BitmapMBS(InputPicture.Width, InputPicture.Height, LCMS2MBS.kcmsSigRgbData) // pick formats dim InputFormat as integer = InputProfile.FormatterForColorspace(1) dim OutputFormat as integer = OutputProfile.FormatterForColorspace(1) // now do transform dim ct as LCMS2TransformMBS = LCMS2TransformMBS.CreateTransform(InputProfile, InputFormat, OutputProfile, OutputFormat, LCMS2MBS.kINTENT_RELATIVE_COLORIMETRIC, 0) call ct.Transform(bi, bo) // we get back output picture dim OutputPicture as Picture = bo.Picture bo = nil bi = nil // and write to disk dim je as new JPEGExporterMBS je.Quality = 90 je.ProfileData = OutputProfileData je.File = OutputFile je.Picture = OutputPicture je.Export End Sub
Sub Convert2(InputFile as FolderItem, OutputFile as FolderItem, ICCProfile as FolderItem) // Version 2 with RGB/CMYK/Gray support using memoryblock // read picture from JPEG file dim ji as new JPEGImporterMBS // needs JPEG plugin ji.Mode = ji.ModeRaw ji.ReadProfileData = true ji.File = InputFile ji.Import dim InputData as MemoryBlock = ji.PictureData if InputData = nil then Break // no data? Return end if // we got picture and profile data from source JPEG dim InputPicture as Picture = ji.Picture dim InputProfileData as String = ji.ProfileData // read new profile into memory dim OutputProfileData as string = ReadFile(ICCProfile) dim OutputProfile as LCMS2ProfileMBS = LCMS2ProfileMBS.OpenProfileFromString(OutputProfileData) // now define our input profile dim InputProfile as LCMS2ProfileMBS if InputProfileData = "" then // use default profile else // use profile in file InputProfile = LCMS2ProfileMBS.OpenProfileFromString(InputProfileData) end if dim RowBytes as integer dim InputColorSpace as integer dim InputJPEGColorSpace as integer = ji.ColorSpace Select case InputJPEGColorSpace case ji.ColorSpaceCMYK, ji.ColorSpaceYCCK // swap bytes InputData.InvertBytesMBS(0, InputData.size) RowBytes = ji.Width * 4 InputColorSpace = LCMS2MBS.kcmsSigCmykData if InputProfile = nil then dim CMYKProfileFile as folderitem = SpecialFolder.Desktop.Child("Generic CMYK Profile.icc") InputProfileData = ReadFile(CMYKProfileFile) InputProfile = LCMS2ProfileMBS.OpenProfileFromFile(CMYKProfileFile) end if case ji.ColorSpaceGrayScale RowBytes = ji.Width * 1 InputColorSpace = LCMS2MBS.kcmsSigGrayData if InputProfile = nil then dim GrayProfileFile as folderitem = SpecialFolder.Desktop.Child("Generic Gray Profile.icc") InputProfileData = ReadFile(GrayProfileFile) InputProfile = LCMS2ProfileMBS.OpenProfileFromFile(GrayProfileFile) end if case ji.ColorSpaceRGB, ji.ColorSpaceYCbCr RowBytes = ji.Width * 3 InputColorSpace = LCMS2MBS.kcmsSigRgbData if InputProfile = nil then InputProfile = LCMS2ProfileMBS.CreateSRGBProfile InputProfileData = InputProfile.SaveProfileToString end if case ji.ColorSpaceUnknown Break else Break // other types are not handled here Return end Select // now create input picture using given bitmap dim bi as new LCMS2BitmapMBS(ji.Width, ji.Height, InputColorSpace, RowBytes, InputData) // and create RGB output bitmap with same size dim bo as new LCMS2BitmapMBS(ji.Width, ji.Height, LCMS2MBS.kcmsSigRgbData) // pick formats dim InputFormat as integer = InputProfile.FormatterForColorspace(1) dim OutputFormat as integer = OutputProfile.FormatterForColorspace(1) // now do transform dim ct as LCMS2TransformMBS = LCMS2TransformMBS.CreateTransform(InputProfile, InputFormat, OutputProfile, OutputFormat, LCMS2MBS.kINTENT_RELATIVE_COLORIMETRIC, 0) call ct.Transform(bi, bo) // we get back output picture dim OutputPicture as Picture = bo.Picture bo = nil bi = nil // and write to disk dim je as new JPEGExporterMBS je.Quality = 90 je.ProfileData = OutputProfileData je.File = OutputFile je.Picture = OutputPicture je.Export End Sub
Function ReadFile(f as FolderItem) As string dim b as BinaryStream = BinaryStream.Open(f) return b.Read(b.Length) End Function
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
End MenuBar
End Project

The items on this page are in the following plugins: MBS Images Plugin.


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