Class: HEICReader

• Inheritance
• Description
• Class protocol
  • class initialization
  • testing
• Instance protocol
  • initialization
  • reading

Inheritance:

   Object
   |
   +--ImageReader
      |
      +--HEICReader

Package:

stx:libview2

Category:

Graphics-Images-Readers

Version:

rev: 1.13 date: 2023/10/09 09:42:07

user: cg

file: HEICReader.st directory: libview2

module: stx stc-classLibrary: libview2

Description:

unfinished.


[instance variables:]

[class variables:]


[examples:]
    ISOBMFFReader fromFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/sample1.heic')      
    ISOBMFFReader fromFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heic-640.heic')      

    #(
        'dwsample-heic-4k.heic'
        'dwsample-heic-640.heic'
        'dwsample-heic-1280.heic'
        'dwsample-heic-1920.heic'
        'dwsample-heif-640.heif'
        'dwsample-heif-1280.heif'
        'dwsample-heif-1920.heif'
        'uncompressed_comp_tile_align.heif'
        'uncompressed_pix_tile_align.heif'
        'uncompressed_planar_tiled.heif'
        'uncompressed_rgb3.heif'
        'uncompressed_row.heif'
        'uncompressed_row_tile_align.heif'
        'uncompressed_row_tiled.heif'
    ) collect:[:each |
        ISOBMFFReader fromFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps' / each)      
    ]        

    ISOBMFFReader fromFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/DSC02558.qtif')      

copyright
COPYRIGHT (c) 2023 by eXept Software AG
             All Rights Reserved

This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice.   This software may not
be provided or otherwise made available to, or used by, any
other person.  No title to or ownership of the software is
hereby transferred.

Class protocol:

 initialize

HEICReader initialize

 canRepresent: anImage

return true, if anImage can be represented in my file format.
For now, image saving is not supported in heic format.

 isValidImageStream: inStream

('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heif-640.heif') readingFileDo:[:s |
HEICReader isValidImageStream:s
]
('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heic-640.heic') readingFileDo:[:s |
HEICReader isValidImageStream:s
]

HEICReader isValidImageFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heif-640.heif')
HEICReader isValidImageFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heic-640.heic')

Instance protocol:

 initialize

 fromStream: aStream

read an HEIC-image from aStream.

 processBox: box

HEICReader readFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heif-640.heif')

 processBox_ftyp: box

HEICReader readFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heif-640.heif')

 processBox_mdat: box

HEICReader readFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heic-640.heic')
HEICReader readFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heif-640.heif')

 processBox_meta: box

ISOBMFFReader fromFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heic-640.heic')

HEICReader readFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heic-640.heic')
HEICReader readFile:('stx:goodies' asPackageId packageDirectory / 'bitmaps/heifBitmaps/dwsample-heif-640.heif')