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PNG

Classes and functions for handling PNG picture files.

• PictureToPNGStringMBS(pic as picture, gamma as single = 0.0) as string
• PictureToPNGStringMBS(pic as picture, gamma as single, Interlace as Boolean, FilterType as Integer) as string
• PictureToPNGStringMBS(pic as picture, mask as picture, gamma as single = 0.0) as string
• PictureToPNGStringMBS(pic as picture, mask as picture, gamma as single, Interlace as Boolean, FilterType as Integer) as string
• PNGStringToPictureMBS(data as string, gamma as single = 0.0, AllowDamaged as boolean = false) as picture
• PNGStringToPNGPictureMBS(data as string, gamma as single = 0.0, AllowDamaged as boolean = false) as PNGPictureMBS
• class PNGpictureMBS
  • method CombinePictureWithMask as picture
  • shared method PNGLibVersion as string
  • property height as Integer
  • property mask as picture
  • property pict as picture
  • property width as Integer
  • const kDefaultGamma = 0
• class PNGReaderMBS
  • method ApplyOptions(gamma as Double = 0.0, ScreenGamma as Double = -1.0) as boolean
  • method CombinePictureWithMask as picture
  • method Open(file as folderitem, data as string) as boolean
  • method OpenData(data as string) as boolean
  • method OpenFile(file as folderitem) as boolean
  • method OpenSpecialData(data as string) as boolean
  • shared method PNGLibVersion as string
  • method ReadICCProfile(byref name as string, byref compression as Integer, byref profile as string) as boolean
  • method ReadPicture as boolean
  • method ReadRow as memoryblock
  • method ReadRow(mem as memoryblock) as boolean
  • method ReadRowAlphaOnly(mem as memoryblock) as boolean
  • method ReadRowMaskOnly(mem as memoryblock) as boolean
  • method ReadsRGBTag(byref file_srgb_intent as Integer) as boolean
  • method RowBytes as Integer
  • property AllowDamaged as Boolean
  • property BitDepth as Integer
  • property ColorType as Integer
  • property Height as Integer
  • property InterlaceType as Integer
  • property Interlacing as Integer
  • property Mask as Picture
  • property Pict as Picture
  • property SourceData as String
  • property SourceFile as FolderItem
  • property SwapRB as Boolean
  • property Width as Integer
  • event Error(msg as string)
  • event Warning(msg as string)
• class PNGWriterMBS
  • method CloseDestination
  • method Finish as string
  • method OpenWriteDestination(file as folderitem) as boolean
  • shared method PNGLibVersion as string
  • method SetAlphaData(alphas() as Integer, colors() as color) as boolean
  • method SetAlphas as boolean
  • method SetGamma(gamma as Double = 0.0) as boolean
  • method SetGrayPicture(pict as picture, mask as picture = nil) as boolean
  • method SetHeader(Interlace as boolean = false, Filter as Integer = -1, Compression as Integer = -1) as boolean
  • method SetICCProfile(name as string, CompressionType as Integer, Profile as string) as boolean
  • method SetPalette as boolean
  • method SetPaletteData(colors() as color) as boolean
  • method SetPalettePicture(pict as picture) as boolean
  • method SetResolution(ResolutionHorizontal as Integer, ResolutionVertical as Integer, Unit as Integer) as boolean
  • method SetRGBPicture(pict as picture, mask as picture = nil) as boolean
  • method SetRows(rows() as memoryblock) as boolean
  • method SetsRGB(intent as Integer) as boolean
  • method WriteEnd as boolean
  • method WriteInfo as boolean
  • method WriteRow(row as memoryblock)
  • method WriteRows as boolean
  • property bpc as Integer
  • property Height as Integer
  • property Rowbytes as Integer
  • property Type as Integer
  • property Width as Integer
  • event Error(msg as string)
  • event Warning(msg as string)
  • const ResolutionDPI = 2
  • const ResolutionMeter = 1
  • const ResolutionUnknown = 0
  • const TypeGray = 0
  • const TypeGrayA = 4
  • const TypePalette = 1
  • const TypeRGB = 2
  • const TypeRGBA = 6

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

Links
MBS Xojo tutorial videos

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