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"
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COPYRIGHT (c) 2013 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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"{ Package: 'stx:libview2' }"
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"{ NameSpace: Smalltalk }"
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ImageReader subclass:#MacOSXIconReader
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instanceVariableNames:'image'
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classVariableNames:''
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poolDictionaries:''
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category:'Graphics-Images-Readers'
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!
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!MacOSXIconReader class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 2013 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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documentation
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"
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Reader/writer for mac osx icon files.
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These files are actually bundles of a sequence of icons (in possibly different resolutions,
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colors and sizes).
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When such a file is read, I return the first image as usual,
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and all images as an imagesequence.
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Only a subset of the supported image formats are supported by the writer
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(i.e. JPEG and PNG based image encodings only).
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This means, that only 10.8-and later icon files are really generated.
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[caveat:]
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only a subset of the possibly formats are supported.
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[notice:]
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when reading an ICNS file with multiple icons in it,
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the first image is returned as such, holding on the other images in its
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imageFrames instvar.
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Thus, the imageEditor will usually present the first of the images,
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and offer a next-in-sequence button to step through them.
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To get a collection of all images, collect the images from the sequence, as in:
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someIcoImage imageFrames collect:#image
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[supported formats:]
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support format length pixels OS-version description
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-----------------------------------------------------------------------------
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r ICON 128 32 1.0 32×32 1-bit mono icon
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r ICN# 256 32 6.0 32×32 1-bit mono icon with 1-bit mask
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icm# 48 16 6.0 16×12 1 bit mono icon with 1-bit mask
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icm4 96 16 7.0 16×12 4 bit icon
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icm8 192 16 7.0 16×12 8 bit icon
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r ics# 64 (32 img + 32 mask) 16 6.0 16×16 1-bit mask
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r ics4 128 16 7.0 16×16 4-bit icon
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r ics8 256 16 7.0 16x16 8 bit icon
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is32 varies (768) 16 8.5 16×16 24-bit icon
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r s8mk 256 16 8.5 16x16 8-bit mask
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r icl4 512 32 7.0 32×32 4-bit icon
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r icl8 1,024 32 7.0 32×32 8-bit icon
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r il32 varies (3,072) 32 8.5 32x32 24-bit icon
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r l8mk 1,024 32 8.5 32×32 8-bit mask
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r ich# 288 48 8.5 48×48 1-bit mask
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r ich4 1,152 48 8.5 48×48 4-bit icon
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r ich8 2,304 48 8.5 48×48 8-bit icon
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r ih32 varies (6,912) 48 8.5 48×48 24-bit icon
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r h8mk 2,304 48 8.5 48×48 8-bit mask
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r it32 varies (49,152) 128 10.0 128×128 24-bit icon
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r t8mk 16,384 128 10.0 128×128 8-bit mask
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r icp4 varies 16 10.7 16x16 icon in JPEG 2000 or PNG format
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r icp5 varies 32 10.7 32x32 icon in JPEG 2000 or PNG format
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icp6 varies 64 10.7 64x64 icon in JPEG 2000 or PNG format
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r ic07 varies 128 10.7 128x128 icon in JPEG 2000 or PNG format
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r ic08 varies 256 10.5 256×256 icon in JPEG 2000 or PNG format
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r ic09 varies 512 10.5 512×512 icon in JPEG 2000 or PNG format
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r ic10 varies 1024 10.7 1024×1024 in 10.7 (or 512x512@2x 'retina' in 10.8) icon in JPEG 2000 or PNG format
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ic11 varies 32 10.8 16x16@2x 'retina' icon in JPEG 2000 or PNG format
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ic12 varies 64 10.8 32x32@2x 'retina' icon in JPEG 2000 or PNG format
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ic13 varies 256 10.8 128x128@2x 'retina' icon in JPEG 2000 or PNG format
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ic14 varies 512 10.8 256x256@2x 'retina' icon in JPEG 2000 or PNG format
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Other types (ignored):
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'TOC ' varies 'Table of Contents'
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a list of all image types in the file,
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and their sizes (added in Mac OS X 10.7)
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'icnV' 4 4-byte big endian float
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- equal to the bundle version number of Icon Composer.app that created to icon
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[See also:]
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Image Form Icon
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GIFReader JPEGReader PNGReader TIFFReader WindowsIconReader
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http://en.wikipedia.org/wiki/Apple_Icon_Image_format
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"
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! !
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!MacOSXIconReader class methodsFor:'initialization'!
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initialize
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"install myself in the Image classes fileFormat table
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for the `.icns' extension."
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"/ MIMETypes defineImageType:'image/x-icns' suffix:'icns' reader:self.
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MIMETypes defineImageType:nil suffix:'icns' reader:self.
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! !
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!MacOSXIconReader class methodsFor:'testing'!
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canRepresent:anImage
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"return true, if anImage can be represented in my file format.
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Assuming that we store in PNG format, delegate that decision."
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^ PNGReader canRepresent:anImage
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!
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isValidImageFile:aFileName
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"return true, if aFileName is an apple osx icon file"
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|id inStream|
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inStream := self streamReadingFile:aFileName.
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inStream isNil ifTrue:[^ false].
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inStream text.
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id := String new:4.
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inStream nextBytes:4 into:id.
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inStream close.
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^ (id = 'icns')
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! !
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!MacOSXIconReader methodsFor:'image reading'!
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fromStream:aStream
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"read a stream containing an icon image (or a collection of images).
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Leave image description in instance variables."
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|sizeRemaining id img firstImage frame imageCount chunkType numChunkBytes chunkData|
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inStream := aStream.
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aStream text.
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"icon-files are always msb"
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byteOrder := #msb.
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id := aStream nextBytes:4.
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id size ~~ 4 ifTrue:[
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^ self fileFormatError:'not an icns file (short read)'.
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].
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id := id asString.
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sizeRemaining := aStream nextUnsignedInt32MSB:true.
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sizeRemaining := sizeRemaining - 4 - 4. "/ file magic and size are included in count
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(id ~= 'icns') ifTrue:[
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chunkData := aStream next:sizeRemaining.
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image := self readSingleIcon:chunkType from:chunkData.
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^ self
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].
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imageCount := 0.
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[ sizeRemaining > 0 ] whileTrue:[
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chunkType := aStream next:4.
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chunkType size ~~ 4 ifTrue:[
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^ self fileFormatError:'not an icns file (short read on icon type)'.
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].
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chunkType := chunkType asString.
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numChunkBytes := aStream nextUnsignedInt32MSB:true.
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numChunkBytes := numChunkBytes - 4 - 4. "/ type and size are included in count
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chunkData := aStream nextBytes:numChunkBytes.
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sizeRemaining := sizeRemaining - 4 - 4 - numChunkBytes.
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img := self readSingleIcon:chunkType from:chunkData.
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"/ unsupported images are skipped...
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img notNil ifTrue:[
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imageCount == 0 ifTrue:[
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firstImage := image := img.
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] ifFalse:[
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imageCount == 1 ifTrue:[
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imageSequence := ImageSequence new.
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img imageSequence:imageSequence.
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"/ add frame for first image.
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frame := ImageFrame new image:firstImage.
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imageSequence add:frame.
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].
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"/ add frame for this image.
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frame := ImageFrame new image:img.
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imageSequence add:frame.
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].
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imageCount := imageCount + 1.
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].
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].
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self breakPoint:#cg.
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"
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Image fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
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"
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"Modified: / 22-02-2017 / 10:24:38 / cg"
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!
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readSingleIcon:iconType from:iconBytes
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"read a single image from the inputStream."
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Logger info:'ICNSReader: read %1' with:iconType.
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^ Error handle:[:ex |
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self fileFormatError:'internal error while reading: ',iconType.
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nil
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] do:[
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|img|
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img := self
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perform:('read_',(iconType copyReplaceAny:#( $# $ ) with:$_),'_from:') asSymbol
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with:iconBytes
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ifNotUnderstood:[
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self breakPoint:#cg.
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('MacOSXIconReader: unsupported icon format: ',iconType) infoPrintCR.
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self fileFormatError:'unsupported icon format: ',iconType.
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nil
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].
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"/ img inspect.
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img
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].
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"
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self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
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self fromFile:'test.icns'
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"
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"Modified: / 08-02-2017 / 19:08:05 / stefan"
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"Modified: / 22-02-2017 / 12:11:30 / cg"
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! !
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!MacOSXIconReader methodsFor:'image writing'!
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save:anImage onStream:aStream
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"save an icon to aStream."
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self saveAll:(Array with:anImage) onStream:aStream.
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"
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self
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save:(Image fromScreen:(0@0 corner:16@16))
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onFile:'test.icns'
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"
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!
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saveAll:aCollectionOfImages onStream:aStream
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"save a number of images to aStream."
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|tempStream|
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(aCollectionOfImages conform:
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[:eachImage |
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(eachImage width = eachImage height)
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and:[ (#(16 32 64 128 256 512 1024) includes:eachImage width)]
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]
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) ifFalse:[
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^ self fileFormatError:'unsupported image size (must be square and width 16, 32, 64, 128, 512 or 1024)'.
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].
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tempStream := ReadWriteStream on:(ByteArray new:1024).
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aCollectionOfImages do:[:eachImage |
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|typeCode s data|
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s := WriteStream on:(ByteArray new:1024).
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PNGReader save:eachImage onStream:s.
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data := s contents.
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self assert:data notEmptyOrNil.
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typeCode := #(16 32 64 128 256 512 1024)
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map: #('ipc4' 'ipc5' 'ipc6' 'ic07' 'ic08' 'ic09' 'ic10')
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at:eachImage width ifAbsent:[self error].
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tempStream
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nextPutBytes:typeCode;
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nextPutInt32:(data size + 4 + 4) MSB:true;
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nextPutAll:data.
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].
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aStream
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binary;
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nextPutBytes:'icns';
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nextPutInt32:(tempStream position + 4 + 4) MSB:true;
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nextPutAll:(tempStream contents).
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"
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self
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save:(Image fromScreen:(0@0 corner:16@16))
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onFile:'test.icns'.
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'test.icns' asFilename exists.
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Image fromFile:'test.icns'
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ImageSequence
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MacOSXIconReader
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saveAll:{
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(Image fromScreen:(0@0 corner:16@16)) .
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(Image fromScreen:(0@0 corner:32@32)) .
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(Image fromScreen:(0@0 corner:64@64)) .
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(Image fromScreen:(0@0 corner:128@128)) .
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}
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onFile:'test.icns'
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"
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"Modified: / 22-02-2017 / 12:16:07 / cg"
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! !
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!MacOSXIconReader methodsFor:'private'!
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colormap4
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^ #[
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16rFF 16rFF 16rFF
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16rFC 16rF3 16r05
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16rFF 16r64 16r02
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341 |
16rDD 16r08 16r06
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16rF2 16r08 16r84
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16r46 16r00 16rA5
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344 |
16r00 16r00 16rD4
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16r02 16rAB 16rEA
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346 |
16r1F 16rB7 16r14
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347 |
16r00 16r64 16r11
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348 |
16r56 16r2C 16r05
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349 |
16r90 16r71 16r3A
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|
350 |
16rC0 16rC0 16rC0
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351 |
16r80 16r80 16r80
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16r40 16r40 16r40
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3135
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16r00 16r00 16r00
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]
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!
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colormap8
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^ #[
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3134
|
359 |
16rFF 16rFF 16rFF
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360 |
16rFF 16rFF 16rCC
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361 |
16rFF 16rFF 16r99
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362 |
16rFF 16rFF 16r66
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363 |
16rFF 16rFF 16r33
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364 |
16rFF 16rFF 16r00
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365 |
16rFF 16rCC 16rFF
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366 |
16rFF 16rCC 16rCC
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367 |
16rFF 16rCC 16r99
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368 |
16rFF 16rCC 16r66
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369 |
16rFF 16rCC 16r33
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370 |
16rFF 16rCC 16r00
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371 |
16rFF 16r99 16rFF
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372 |
16rFF 16r99 16rCC
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373 |
16rFF 16r99 16r99
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374 |
16rFF 16r99 16r66
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|
375 |
16rFF 16r99 16r33
|
|
376 |
16rFF 16r99 16r00
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|
377 |
16rFF 16r66 16rFF
|
|
378 |
16rFF 16r66 16rCC
|
|
379 |
16rFF 16r66 16r99
|
|
380 |
16rFF 16r66 16r66
|
|
381 |
16rFF 16r66 16r33
|
|
382 |
16rFF 16r66 16r00
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383 |
16rFF 16r33 16rFF
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|
384 |
16rFF 16r33 16rCC
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|
385 |
16rFF 16r33 16r99
|
|
386 |
16rFF 16r33 16r66
|
|
387 |
16rFF 16r33 16r33
|
|
388 |
16rFF 16r33 16r00
|
|
389 |
16rFF 16r00 16rFF
|
|
390 |
16rFF 16r00 16rCC
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|
391 |
16rFF 16r00 16r99
|
|
392 |
16rFF 16r00 16r66
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|
393 |
16rFF 16r00 16r33
|
|
394 |
16rFF 16r00 16r00
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|
395 |
16rCC 16rFF 16rFF
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|
396 |
16rCC 16rFF 16rCC
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|
397 |
16rCC 16rFF 16r99
|
|
398 |
16rCC 16rFF 16r66
|
|
399 |
16rCC 16rFF 16r33
|
|
400 |
16rCC 16rFF 16r00
|
|
401 |
16rCC 16rCC 16rFF
|
|
402 |
16rCC 16rCC 16rCC
|
|
403 |
16rCC 16rCC 16r99
|
|
404 |
16rCC 16rCC 16r66
|
|
405 |
16rCC 16rCC 16r33
|
|
406 |
16rCC 16rCC 16r00
|
|
407 |
16rCC 16r99 16rFF
|
|
408 |
16rCC 16r99 16rCC
|
|
409 |
16rCC 16r99 16r99
|
|
410 |
16rCC 16r99 16r66
|
|
411 |
16rCC 16r99 16r33
|
|
412 |
16rCC 16r99 16r00
|
|
413 |
16rCC 16r66 16rFF
|
|
414 |
16rCC 16r66 16rCC
|
|
415 |
16rCC 16r66 16r99
|
|
416 |
16rCC 16r66 16r66
|
|
417 |
16rCC 16r66 16r33
|
|
418 |
16rCC 16r66 16r00
|
|
419 |
16rCC 16r33 16rFF
|
|
420 |
16rCC 16r33 16rCC
|
|
421 |
16rCC 16r33 16r99
|
|
422 |
16rCC 16r33 16r66
|
|
423 |
16rCC 16r33 16r33
|
|
424 |
16rCC 16r33 16r00
|
|
425 |
16rCC 16r00 16rFF
|
|
426 |
16rCC 16r00 16rCC
|
|
427 |
16rCC 16r00 16r99
|
|
428 |
16rCC 16r00 16r66
|
|
429 |
16rCC 16r00 16r33
|
|
430 |
16rCC 16r00 16r00
|
|
431 |
16r99 16rFF 16rFF
|
|
432 |
16r99 16rFF 16rCC
|
|
433 |
16r99 16rFF 16r99
|
|
434 |
16r99 16rFF 16r66
|
|
435 |
16r99 16rFF 16r33
|
|
436 |
16r99 16rFF 16r00
|
|
437 |
16r99 16rCC 16rFF
|
|
438 |
16r99 16rCC 16rCC
|
|
439 |
16r99 16rCC 16r99
|
|
440 |
16r99 16rCC 16r66
|
|
441 |
16r99 16rCC 16r33
|
|
442 |
16r99 16rCC 16r00
|
|
443 |
16r99 16r99 16rFF
|
|
444 |
16r99 16r99 16rCC
|
|
445 |
16r99 16r99 16r99
|
|
446 |
16r99 16r99 16r66
|
|
447 |
16r99 16r99 16r33
|
|
448 |
16r99 16r99 16r00
|
|
449 |
16r99 16r66 16rFF
|
|
450 |
16r99 16r66 16rCC
|
|
451 |
16r99 16r66 16r99
|
|
452 |
16r99 16r66 16r66
|
|
453 |
16r99 16r66 16r33
|
|
454 |
16r99 16r66 16r00
|
|
455 |
16r99 16r33 16rFF
|
|
456 |
16r99 16r33 16rCC
|
|
457 |
16r99 16r33 16r99
|
|
458 |
16r99 16r33 16r66
|
|
459 |
16r99 16r33 16r33
|
|
460 |
16r99 16r33 16r00
|
|
461 |
16r99 16r00 16rFF
|
|
462 |
16r99 16r00 16rCC
|
|
463 |
16r99 16r00 16r99
|
|
464 |
16r99 16r00 16r66
|
|
465 |
16r99 16r00 16r33
|
|
466 |
16r99 16r00 16r00
|
|
467 |
16r66 16rFF 16rFF
|
|
468 |
16r66 16rFF 16rCC
|
|
469 |
16r66 16rFF 16r99
|
|
470 |
16r66 16rFF 16r66
|
|
471 |
16r66 16rFF 16r33
|
|
472 |
16r66 16rFF 16r00
|
|
473 |
16r66 16rCC 16rFF
|
|
474 |
16r66 16rCC 16rCC
|
|
475 |
16r66 16rCC 16r99
|
|
476 |
16r66 16rCC 16r66
|
|
477 |
16r66 16rCC 16r33
|
|
478 |
16r66 16rCC 16r00
|
|
479 |
16r66 16r99 16rFF
|
|
480 |
16r66 16r99 16rCC
|
|
481 |
16r66 16r99 16r99
|
|
482 |
16r66 16r99 16r66
|
|
483 |
16r66 16r99 16r33
|
|
484 |
16r66 16r99 16r00
|
|
485 |
16r66 16r66 16rFF
|
|
486 |
16r66 16r66 16rCC
|
|
487 |
16r66 16r66 16r99
|
|
488 |
16r66 16r66 16r66
|
|
489 |
16r66 16r66 16r33
|
|
490 |
16r66 16r66 16r00
|
|
491 |
16r66 16r33 16rFF
|
|
492 |
16r66 16r33 16rCC
|
|
493 |
16r66 16r33 16r99
|
|
494 |
16r66 16r33 16r66
|
|
495 |
16r66 16r33 16r33
|
|
496 |
16r66 16r33 16r00
|
|
497 |
16r66 16r00 16rFF
|
|
498 |
16r66 16r00 16rCC
|
|
499 |
16r66 16r00 16r99
|
|
500 |
16r66 16r00 16r66
|
|
501 |
16r66 16r00 16r33
|
|
502 |
16r66 16r00 16r00
|
|
503 |
16r33 16rFF 16rFF
|
|
504 |
16r33 16rFF 16rCC
|
|
505 |
16r33 16rFF 16r99
|
|
506 |
16r33 16rFF 16r66
|
|
507 |
16r33 16rFF 16r33
|
|
508 |
16r33 16rFF 16r00
|
|
509 |
16r33 16rCC 16rFF
|
|
510 |
16r33 16rCC 16rCC
|
|
511 |
16r33 16rCC 16r99
|
|
512 |
16r33 16rCC 16r66
|
|
513 |
16r33 16rCC 16r33
|
|
514 |
16r33 16rCC 16r00
|
|
515 |
16r33 16r99 16rFF
|
|
516 |
16r33 16r99 16rCC
|
|
517 |
16r33 16r99 16r99
|
|
518 |
16r33 16r99 16r66
|
|
519 |
16r33 16r99 16r33
|
|
520 |
16r33 16r99 16r00
|
|
521 |
16r33 16r66 16rFF
|
|
522 |
16r33 16r66 16rCC
|
|
523 |
16r33 16r66 16r99
|
|
524 |
16r33 16r66 16r66
|
|
525 |
16r33 16r66 16r33
|
|
526 |
16r33 16r66 16r00
|
|
527 |
16r33 16r33 16rFF
|
|
528 |
16r33 16r33 16rCC
|
|
529 |
16r33 16r33 16r99
|
|
530 |
16r33 16r33 16r66
|
|
531 |
16r33 16r33 16r33
|
|
532 |
16r33 16r33 16r00
|
|
533 |
16r33 16r00 16rFF
|
|
534 |
16r33 16r00 16rCC
|
|
535 |
16r33 16r00 16r99
|
|
536 |
16r33 16r00 16r66
|
|
537 |
16r33 16r00 16r33
|
|
538 |
16r33 16r00 16r00
|
|
539 |
16r00 16rFF 16rFF
|
|
540 |
16r00 16rFF 16rCC
|
|
541 |
16r00 16rFF 16r99
|
|
542 |
16r00 16rFF 16r66
|
|
543 |
16r00 16rFF 16r33
|
|
544 |
16r00 16rFF 16r00
|
|
545 |
16r00 16rCC 16rFF
|
|
546 |
16r00 16rCC 16rCC
|
|
547 |
16r00 16rCC 16r99
|
|
548 |
16r00 16rCC 16r66
|
|
549 |
16r00 16rCC 16r33
|
|
550 |
16r00 16rCC 16r00
|
|
551 |
16r00 16r99 16rFF
|
|
552 |
16r00 16r99 16rCC
|
|
553 |
16r00 16r99 16r99
|
|
554 |
16r00 16r99 16r66
|
|
555 |
16r00 16r99 16r33
|
|
556 |
16r00 16r99 16r00
|
|
557 |
16r00 16r66 16rFF
|
|
558 |
16r00 16r66 16rCC
|
|
559 |
16r00 16r66 16r99
|
|
560 |
16r00 16r66 16r66
|
|
561 |
16r00 16r66 16r33
|
|
562 |
16r00 16r66 16r00
|
|
563 |
16r00 16r33 16rFF
|
|
564 |
16r00 16r33 16rCC
|
|
565 |
16r00 16r33 16r99
|
|
566 |
16r00 16r33 16r66
|
|
567 |
16r00 16r33 16r33
|
|
568 |
16r00 16r33 16r00
|
|
569 |
16r00 16r00 16rFF
|
|
570 |
16r00 16r00 16rCC
|
|
571 |
16r00 16r00 16r99
|
|
572 |
16r00 16r00 16r66
|
|
573 |
16r00 16r00 16r33
|
|
574 |
16rEE 16r00 16r00
|
|
575 |
16rDD 16r00 16r00
|
|
576 |
16rBB 16r00 16r00
|
|
577 |
16rAA 16r00 16r00
|
|
578 |
16r88 16r00 16r00
|
|
579 |
16r77 16r00 16r00
|
|
580 |
16r55 16r00 16r00
|
|
581 |
16r44 16r00 16r00
|
|
582 |
16r22 16r00 16r00
|
|
583 |
16r11 16r00 16r00
|
|
584 |
16r00 16rEE 16r00
|
|
585 |
16r00 16rDD 16r00
|
|
586 |
16r00 16rBB 16r00
|
|
587 |
16r00 16rAA 16r00
|
|
588 |
16r00 16r88 16r00
|
|
589 |
16r00 16r77 16r00
|
|
590 |
16r00 16r55 16r00
|
|
591 |
16r00 16r44 16r00
|
|
592 |
16r00 16r22 16r00
|
|
593 |
16r00 16r11 16r00
|
|
594 |
16r00 16r00 16rEE
|
|
595 |
16r00 16r00 16rDD
|
|
596 |
16r00 16r00 16rBB
|
|
597 |
16r00 16r00 16rAA
|
|
598 |
16r00 16r00 16r88
|
|
599 |
16r00 16r00 16r77
|
|
600 |
16r00 16r00 16r55
|
|
601 |
16r00 16r00 16r44
|
|
602 |
16r00 16r00 16r22
|
|
603 |
16r00 16r00 16r11
|
|
604 |
16rEE 16rEE 16rEE
|
|
605 |
16rDD 16rDD 16rDD
|
|
606 |
16rBB 16rBB 16rBB
|
|
607 |
16rAA 16rAA 16rAA
|
|
608 |
16r88 16r88 16r88
|
|
609 |
16r77 16r77 16r77
|
|
610 |
16r55 16r55 16r55
|
|
611 |
16r44 16r44 16r44
|
|
612 |
16r22 16r22 16r22
|
|
613 |
16r11 16r11 16r11
|
3135
|
614 |
16r00 16r00 16r00
|
|
615 |
]
|
3133
|
616 |
!
|
|
617 |
|
3121
|
618 |
makeImage
|
|
619 |
"image is already made"
|
|
620 |
|
|
621 |
^ image
|
|
622 |
! !
|
|
623 |
|
|
624 |
!MacOSXIconReader methodsFor:'private reading'!
|
|
625 |
|
3361
|
626 |
common_read_paletteImage_from:bytes size:size width:w height:h depth:d
|
|
627 |
"read an icl8/icl4/ics4/ics8 icon"
|
|
628 |
|
|
629 |
|pixelData img|
|
|
630 |
|
|
631 |
pixelData := (ByteArray new:size) replaceBytesWith:bytes; yourself.
|
|
632 |
img := (Image implementorForDepth:d) width:w height:h fromArray:pixelData.
|
|
633 |
img photometric:#palette.
|
|
634 |
d == 4 ifTrue:[
|
|
635 |
img colorMap:(Colormap rgbBytesVector:self colormap4).
|
|
636 |
] ifFalse:[
|
|
637 |
d == 8 ifTrue:[
|
|
638 |
img colorMap:(Colormap rgbBytesVector:self colormap8).
|
|
639 |
] ifFalse:[
|
|
640 |
self error:'unsupported depth'
|
|
641 |
].
|
|
642 |
].
|
|
643 |
^ img
|
|
644 |
|
|
645 |
"
|
|
646 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
3911
|
647 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/html.icns'
|
3361
|
648 |
"
|
3911
|
649 |
|
|
650 |
"Modified (comment): / 22-02-2017 / 12:09:40 / cg"
|
3361
|
651 |
!
|
|
652 |
|
3121
|
653 |
readPNGOrJPEGFrom:bytes expectedSize:expectedSizeOrNil
|
|
654 |
"read a PNG or JPEG image.
|
|
655 |
Helper for ipc4, ipc5, ic07, ic09, ic10 formats"
|
|
656 |
|
|
657 |
|img|
|
|
658 |
|
3910
|
659 |
"/ check for PNG header
|
|
660 |
(bytes startsWith:(PNGReader pngHeader)) ifTrue:[
|
|
661 |
img := PNGReader fromStream:(bytes readStream).
|
|
662 |
].
|
3121
|
663 |
img isNil ifTrue:[
|
|
664 |
img := JPEGReader fromStream:(bytes readStream).
|
3915
|
665 |
img isNil ifTrue:[^ nil].
|
3121
|
666 |
].
|
|
667 |
expectedSizeOrNil notNil ifTrue:[
|
|
668 |
self assert:(img width = expectedSizeOrNil).
|
|
669 |
self assert:(img height = expectedSizeOrNil).
|
|
670 |
].
|
|
671 |
^ img
|
3910
|
672 |
|
3915
|
673 |
"Modified: / 22-02-2017 / 13:42:48 / cg"
|
3121
|
674 |
!
|
|
675 |
|
3381
|
676 |
readPackBitsImageFrom:compressedData offset:offset width:w height:h depth:depth
|
3910
|
677 |
|uncompressed redData greenData blueData bytesPerRow bytesPerChannel n srcStart rowStart|
|
3381
|
678 |
|
3910
|
679 |
uncompressed := (compressedData size - offset) >= (w*h*(depth//8)).
|
|
680 |
|
3381
|
681 |
depth == 24 ifTrue:[
|
|
682 |
"/ rgb channels separate
|
|
683 |
bytesPerRow := w.
|
|
684 |
bytesPerChannel := bytesPerRow * h.
|
|
685 |
|
|
686 |
redData := ByteArray new:bytesPerChannel.
|
|
687 |
greenData := ByteArray new:bytesPerChannel.
|
|
688 |
blueData := ByteArray new:bytesPerChannel.
|
3910
|
689 |
|
|
690 |
"/ uncompressed!!
|
|
691 |
uncompressed ifTrue:[
|
|
692 |
self halt:'check this'.
|
|
693 |
^ nil
|
|
694 |
].
|
|
695 |
|
3381
|
696 |
srcStart := 1+offset.
|
|
697 |
n := self class
|
3910
|
698 |
decompressPackBitsV2From:compressedData at:srcStart to:redData at:1 count:bytesPerChannel.
|
3381
|
699 |
srcStart := srcStart + n.
|
|
700 |
n := self class
|
3910
|
701 |
decompressPackBitsV2From:compressedData at:srcStart to:greenData at:1 count:bytesPerChannel.
|
3381
|
702 |
srcStart := srcStart + n.
|
|
703 |
n := self class
|
3910
|
704 |
decompressPackBitsV2From:compressedData at:srcStart to:blueData at:1 count:bytesPerChannel.
|
3381
|
705 |
photometric := #rgb.
|
3910
|
706 |
bitsPerSample := #[8 8 8].
|
3381
|
707 |
samplesPerPixel := 3.
|
|
708 |
width := w.
|
|
709 |
height := h.
|
|
710 |
data := ByteArray new:(self bytesPerRow * h).
|
|
711 |
|
|
712 |
rowStart := 1.
|
|
713 |
1 to:height do:[:r |
|
|
714 |
|ci|
|
|
715 |
|
|
716 |
ci := rowStart.
|
|
717 |
1 to:width do:[:c |
|
|
718 |
data at:ci put:(redData at:c).
|
|
719 |
data at:ci+1 put:(greenData at:c).
|
|
720 |
data at:ci+2 put:(blueData at:c).
|
|
721 |
ci := ci + 3.
|
|
722 |
].
|
|
723 |
rowStart := rowStart + self bytesPerRow.
|
|
724 |
].
|
|
725 |
^ Depth24Image new
|
|
726 |
width:width
|
|
727 |
height:height
|
|
728 |
photometric:photometric
|
|
729 |
samplesPerPixel:samplesPerPixel
|
|
730 |
bitsPerSample:bitsPerSample
|
|
731 |
colorMap:nil
|
|
732 |
bits:data
|
|
733 |
mask:nil.
|
|
734 |
].
|
3910
|
735 |
|
3381
|
736 |
depth == 8 ifTrue:[
|
|
737 |
"/ 8bit single channel
|
|
738 |
bytesPerRow := w.
|
|
739 |
bytesPerChannel := bytesPerRow * h.
|
|
740 |
|
|
741 |
compressedData size == bytesPerChannel ifTrue:[
|
|
742 |
data := compressedData.
|
|
743 |
] ifFalse:[
|
|
744 |
data := ByteArray new:bytesPerChannel.
|
|
745 |
n := self class
|
3910
|
746 |
decompressPackBitsV2From:compressedData at:1+offset to:data at:1 count:bytesPerChannel.
|
3381
|
747 |
].
|
|
748 |
^ Depth8Image new
|
3580
|
749 |
width:width height:height
|
3381
|
750 |
photometric:#blackIs0
|
3580
|
751 |
samplesPerPixel:1 bitsPerSample:#(8)
|
3381
|
752 |
colorMap:nil
|
3580
|
753 |
bits:data mask:nil.
|
3381
|
754 |
].
|
3910
|
755 |
self halt:'check this'.
|
3381
|
756 |
^ nil
|
3910
|
757 |
|
|
758 |
"Modified: / 22-02-2017 / 12:06:14 / cg"
|
3381
|
759 |
!
|
|
760 |
|
3121
|
761 |
read_ICN__from:bytes
|
3405
|
762 |
"read an ICN# format icon.
|
|
763 |
ICN# is 32x32 bit mono with 1-bit mask"
|
|
764 |
|
|
765 |
|pixelData maskData img|
|
3121
|
766 |
|
3405
|
767 |
pixelData := (ByteArray new:128) replaceBytesFrom:1 to:128 with:bytes startingAt:1; yourself.
|
|
768 |
maskData := (ByteArray new:128) replaceBytesFrom:1 to:128 with:bytes startingAt:128+1; yourself.
|
|
769 |
img := Depth1Image width:32 height:32 fromArray:pixelData.
|
|
770 |
img mask:(Depth1Image width:32 height:32 fromArray:maskData).
|
|
771 |
^ img
|
3121
|
772 |
!
|
|
773 |
|
3362
|
774 |
read_ICON_from:bytes
|
|
775 |
"read an ICON format icon.
|
|
776 |
128 bytes, 32x32x1 monochrome"
|
|
777 |
|
|
778 |
|pixelData img|
|
|
779 |
|
|
780 |
pixelData := (ByteArray new:128) replaceBytesFrom:1 to:128 with:bytes startingAt:1; yourself.
|
|
781 |
img := Depth1Image width:32 height:32 fromArray:pixelData.
|
3363
|
782 |
img photometric:#whiteIs0.
|
3362
|
783 |
^ img
|
|
784 |
|
|
785 |
"
|
|
786 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
787 |
"
|
|
788 |
!
|
|
789 |
|
3405
|
790 |
read_TOC__from:bytes
|
|
791 |
"read (actually: skip) a table of contents."
|
|
792 |
|
|
793 |
^ nil
|
|
794 |
!
|
|
795 |
|
3381
|
796 |
read_h8mk_from:bytes
|
|
797 |
"read an h8mk packbits format mask icon"
|
|
798 |
|
3910
|
799 |
|offset|
|
|
800 |
|
|
801 |
offset := 0.
|
|
802 |
(bytes from:1 to:4) = #[0 0 0 0] ifTrue:[
|
3934
|
803 |
self breakPoint:#cg.
|
3910
|
804 |
offset := 4.
|
|
805 |
].
|
|
806 |
^ self readPackBitsImageFrom:bytes asByteArray offset:offset width:48 height:48 depth:8.
|
|
807 |
|
3934
|
808 |
"Modified: / 24-02-2017 / 01:39:56 / cg"
|
3381
|
809 |
!
|
|
810 |
|
3121
|
811 |
read_ic07_from:bytes
|
3910
|
812 |
"read an ic07 (PNG or JPEG, 128x128) format icon"
|
3121
|
813 |
|
|
814 |
^ self readPNGOrJPEGFrom:bytes expectedSize:128.
|
|
815 |
|
|
816 |
"
|
|
817 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
818 |
self fromFile:'test.icns'
|
|
819 |
"
|
3910
|
820 |
|
|
821 |
"Modified (comment): / 22-02-2017 / 11:02:50 / cg"
|
3121
|
822 |
!
|
|
823 |
|
|
824 |
read_ic08_from:bytes
|
3910
|
825 |
"read an ic08 (PNG or JPEG, 256x256) format icon"
|
3121
|
826 |
|
|
827 |
^ self readPNGOrJPEGFrom:bytes expectedSize:256.
|
|
828 |
|
|
829 |
"
|
|
830 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
831 |
self fromFile:'test.icns'
|
|
832 |
"
|
3910
|
833 |
|
|
834 |
"Modified (comment): / 22-02-2017 / 11:02:55 / cg"
|
3121
|
835 |
!
|
|
836 |
|
|
837 |
read_ic09_from:bytes
|
3910
|
838 |
"read an ic09 (PNG or JPEG, 512x512) format icon"
|
3121
|
839 |
|
|
840 |
^ self readPNGOrJPEGFrom:bytes expectedSize:512.
|
|
841 |
|
|
842 |
"
|
|
843 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
844 |
self fromFile:'test.icns'
|
|
845 |
"
|
3910
|
846 |
|
|
847 |
"Modified (comment): / 22-02-2017 / 11:03:00 / cg"
|
3121
|
848 |
!
|
|
849 |
|
|
850 |
read_ic10_from:bytes
|
3910
|
851 |
"read an ic10 (PNG or JPEG, 1024x1024) format icon"
|
3121
|
852 |
|
|
853 |
^ self readPNGOrJPEGFrom:bytes expectedSize:1024.
|
|
854 |
|
|
855 |
"
|
|
856 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
857 |
self fromFile:'test.icns'
|
|
858 |
"
|
3910
|
859 |
|
|
860 |
"Modified (comment): / 22-02-2017 / 11:03:05 / cg"
|
|
861 |
!
|
|
862 |
|
|
863 |
read_ic11_from:bytes
|
|
864 |
"read an ic11 (PNG or JPEG, 32x32) format icon"
|
|
865 |
|
|
866 |
^ self readPNGOrJPEGFrom:bytes expectedSize:32.
|
|
867 |
|
|
868 |
"
|
|
869 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
870 |
self fromFile:'test.icns'
|
|
871 |
"
|
|
872 |
|
|
873 |
"Created: / 22-02-2017 / 11:04:18 / cg"
|
3121
|
874 |
!
|
|
875 |
|
3911
|
876 |
read_ic12_from:bytes
|
|
877 |
"read an ic12 (PNG or JPEG, 64) format icon"
|
|
878 |
|
|
879 |
^ self readPNGOrJPEGFrom:bytes expectedSize:64.
|
|
880 |
|
|
881 |
"
|
|
882 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
883 |
"
|
|
884 |
|
|
885 |
"Created: / 22-02-2017 / 12:10:10 / cg"
|
|
886 |
!
|
|
887 |
|
|
888 |
read_ic13_from:bytes
|
|
889 |
"read an ic12 (PNG or JPEG, 256x256) format icon"
|
|
890 |
|
|
891 |
^ self readPNGOrJPEGFrom:bytes expectedSize:256.
|
|
892 |
|
|
893 |
"
|
|
894 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
895 |
"
|
|
896 |
|
|
897 |
"Created: / 22-02-2017 / 12:11:06 / cg"
|
|
898 |
!
|
|
899 |
|
|
900 |
read_ic14_from:bytes
|
|
901 |
"read an ic12 (PNG or JPEG, 512x512) format icon"
|
|
902 |
|
|
903 |
^ self readPNGOrJPEGFrom:bytes expectedSize:512.
|
|
904 |
|
|
905 |
"
|
|
906 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
907 |
"
|
|
908 |
|
|
909 |
"Created: / 22-02-2017 / 12:13:59 / cg"
|
|
910 |
!
|
|
911 |
|
3361
|
912 |
read_ich4_from:bytes
|
|
913 |
"read an ich4 format icon;
|
|
914 |
1152 bytes; 48x48x4bit"
|
|
915 |
|
|
916 |
^ self common_read_paletteImage_from:bytes size:1152 width:48 height:48 depth:4
|
|
917 |
|
|
918 |
"
|
|
919 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
920 |
"
|
|
921 |
!
|
|
922 |
|
|
923 |
read_ich8_from:bytes
|
|
924 |
"read an ich8 format icon;
|
|
925 |
2304 bytes; 48x48x8bit"
|
|
926 |
|
|
927 |
^ self common_read_paletteImage_from:bytes size:2304 width:48 height:48 depth:8
|
|
928 |
|
|
929 |
"
|
|
930 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
931 |
"
|
|
932 |
!
|
3121
|
933 |
|
3405
|
934 |
read_ich__from:bytes
|
|
935 |
"read an ich# format icon.
|
|
936 |
ich# is 288+288 bytes, 48x48x1 monochrome + mask"
|
|
937 |
|
|
938 |
|pixelData maskData img|
|
|
939 |
|
|
940 |
pixelData := (ByteArray new:288) replaceBytesFrom:1 to:288 with:bytes startingAt:1; yourself.
|
|
941 |
maskData := (ByteArray new:288) replaceBytesFrom:1 to:288 with:bytes startingAt:288+1; yourself.
|
|
942 |
img := Depth1Image width:48 height:48 fromArray:pixelData.
|
|
943 |
img mask:(Depth1Image width:48 height:48 fromArray:maskData).
|
|
944 |
^ img
|
|
945 |
!
|
|
946 |
|
3361
|
947 |
read_icl4_from:bytes
|
|
948 |
"read an icl4 format icon;
|
|
949 |
512 bytes; 32x32x4bit"
|
|
950 |
|
|
951 |
^ self common_read_paletteImage_from:bytes size:512 width:32 height:32 depth:4
|
|
952 |
|
|
953 |
"
|
|
954 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
955 |
"
|
|
956 |
!
|
|
957 |
|
|
958 |
read_icl8_from:bytes
|
|
959 |
"read an icl8 format icon;
|
|
960 |
1024 bytes; 32x32x8bit"
|
|
961 |
|
|
962 |
^ self common_read_paletteImage_from:bytes size:1024 width:32 height:32 depth:8
|
|
963 |
|
|
964 |
"
|
|
965 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
966 |
"
|
|
967 |
!
|
|
968 |
|
3934
|
969 |
read_icm4_from:bytes
|
|
970 |
"read (actually: skip) an icm4 record."
|
|
971 |
|
|
972 |
self breakPoint:#cg.
|
|
973 |
^ nil
|
|
974 |
|
|
975 |
"Created: / 24-02-2017 / 01:40:13 / cg"
|
|
976 |
!
|
|
977 |
|
|
978 |
read_icm8_from:bytes
|
|
979 |
"read (actually: skip) an icm8 record."
|
|
980 |
|
|
981 |
self breakPoint:#cg.
|
|
982 |
^ nil
|
|
983 |
|
|
984 |
"Created: / 24-02-2017 / 01:40:23 / cg"
|
|
985 |
!
|
|
986 |
|
|
987 |
read_icm__from:bytes
|
|
988 |
"read (actually: skip) an icm# record."
|
|
989 |
|
|
990 |
self breakPoint:#cg.
|
|
991 |
^ nil
|
|
992 |
|
|
993 |
"Created: / 24-02-2017 / 01:39:43 / cg"
|
|
994 |
!
|
|
995 |
|
|
996 |
read_icnV_from:bytes
|
|
997 |
"read (actually: skip) an icnV record."
|
|
998 |
|
|
999 |
self breakPoint:#cg.
|
|
1000 |
^ nil
|
|
1001 |
|
|
1002 |
"Created: / 24-02-2017 / 01:43:21 / cg"
|
|
1003 |
!
|
|
1004 |
|
3915
|
1005 |
read_icp4_from:bytes
|
|
1006 |
"read an ipc4 (PNG or JPEG, 16x16) format icon"
|
|
1007 |
|
|
1008 |
^ self readPNGOrJPEGFrom:bytes expectedSize:16.
|
|
1009 |
|
|
1010 |
"
|
|
1011 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1012 |
self fromFile:'test.icns'
|
|
1013 |
"
|
|
1014 |
|
|
1015 |
"Created: / 22-02-2017 / 12:18:02 / cg"
|
|
1016 |
!
|
|
1017 |
|
|
1018 |
read_icp5_from:bytes
|
|
1019 |
"read an ipc5 (PNG or JPEG, 32x32) format icon"
|
|
1020 |
|
|
1021 |
^ self readPNGOrJPEGFrom:bytes expectedSize:32.
|
|
1022 |
|
|
1023 |
"
|
|
1024 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1025 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/html.icns'
|
|
1026 |
self fromFile:'test.icns'
|
|
1027 |
|
|
1028 |
'/Applications' asFilename recursiveDirectoryContentsAsFilenamesDo:[:each |
|
|
1029 |
(each hasSuffix:'icns') ifTrue:[
|
|
1030 |
Transcript showCR:'reading ',each pathName.
|
|
1031 |
self fromFile:each.
|
|
1032 |
]
|
|
1033 |
]
|
|
1034 |
"
|
|
1035 |
|
|
1036 |
"Created: / 22-02-2017 / 12:18:07 / cg"
|
|
1037 |
!
|
|
1038 |
|
|
1039 |
read_icp6_from:bytes
|
|
1040 |
"read an ipc6 (PNG or JPEG, 64x64) format icon"
|
|
1041 |
|
|
1042 |
^ self readPNGOrJPEGFrom:bytes expectedSize:64.
|
|
1043 |
|
|
1044 |
"
|
|
1045 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1046 |
self fromFile:'test.icns'
|
|
1047 |
"
|
|
1048 |
|
|
1049 |
"Created: / 22-02-2017 / 12:17:52 / cg"
|
|
1050 |
!
|
|
1051 |
|
3361
|
1052 |
read_ics4_from:bytes
|
|
1053 |
"read an ics4 format icon.
|
|
1054 |
128 bytes, 16x16x4bit"
|
|
1055 |
|
|
1056 |
^ self common_read_paletteImage_from:bytes size:128 width:16 height:16 depth:4
|
3121
|
1057 |
|
|
1058 |
"
|
|
1059 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1060 |
"
|
|
1061 |
!
|
|
1062 |
|
|
1063 |
read_ics8_from:bytes
|
3133
|
1064 |
"read an ics8 format icon.
|
3361
|
1065 |
256 bytes, 16x16x8bit"
|
3121
|
1066 |
|
3361
|
1067 |
^ self common_read_paletteImage_from:bytes size:256 width:16 height:16 depth:8
|
3121
|
1068 |
|
|
1069 |
"
|
|
1070 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1071 |
"
|
|
1072 |
!
|
|
1073 |
|
|
1074 |
read_ics__from:bytes
|
3133
|
1075 |
"read an ics# format icon.
|
|
1076 |
ics# is 64 bytes, 16x16x1 monochrome + mask"
|
|
1077 |
|
|
1078 |
|pixelData maskData img|
|
3121
|
1079 |
|
3133
|
1080 |
pixelData := (ByteArray new:32) replaceBytesFrom:1 to:32 with:bytes startingAt:1; yourself.
|
|
1081 |
maskData := (ByteArray new:32) replaceBytesFrom:1 to:32 with:bytes startingAt:32+1; yourself.
|
|
1082 |
img := Depth1Image width:16 height:16 fromArray:pixelData.
|
|
1083 |
img mask:(Depth1Image width:16 height:16 fromArray:maskData).
|
|
1084 |
^ img
|
3121
|
1085 |
|
|
1086 |
"
|
|
1087 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1088 |
"
|
|
1089 |
!
|
|
1090 |
|
3933
|
1091 |
read_icsb_from:bytes
|
|
1092 |
"read (actually: skip) an icsb record."
|
|
1093 |
|
|
1094 |
self breakPoint:#cg.
|
|
1095 |
^ nil
|
|
1096 |
|
|
1097 |
"Created: / 24-02-2017 / 01:21:24 / cg"
|
|
1098 |
!
|
|
1099 |
|
|
1100 |
read_icsd_from:bytes
|
|
1101 |
"read (actually: skip) an icsd record."
|
|
1102 |
|
|
1103 |
self breakPoint:#cg.
|
|
1104 |
^ nil
|
|
1105 |
|
|
1106 |
"Created: / 24-02-2017 / 01:36:21 / cg"
|
|
1107 |
!
|
|
1108 |
|
3381
|
1109 |
read_ih32_from:bytes
|
3910
|
1110 |
"read an ih32 packbits format 48x48x24 icon "
|
|
1111 |
|
|
1112 |
|offset|
|
3121
|
1113 |
|
3910
|
1114 |
offset := 0.
|
|
1115 |
(bytes from:1 to:4) = #[0 0 0 0] ifTrue:[
|
|
1116 |
self halt.
|
|
1117 |
offset := 4.
|
|
1118 |
].
|
|
1119 |
^ self readPackBitsImageFrom:bytes asByteArray offset:offset width:48 height:48 depth:24.
|
|
1120 |
|
|
1121 |
"Modified (comment): / 22-02-2017 / 10:58:51 / cg"
|
3381
|
1122 |
!
|
3121
|
1123 |
|
3381
|
1124 |
read_il32_from:bytes
|
3910
|
1125 |
"read an il32 packbits format 32x32x24 icon"
|
|
1126 |
|
|
1127 |
|offset|
|
3381
|
1128 |
|
3910
|
1129 |
offset := 0.
|
|
1130 |
(bytes from:1 to:4) = #[0 0 0 0] ifTrue:[
|
|
1131 |
self halt.
|
|
1132 |
offset := 4.
|
|
1133 |
].
|
|
1134 |
^ self readPackBitsImageFrom:bytes asByteArray offset:offset width:32 height:32 depth:24.
|
|
1135 |
|
|
1136 |
"Modified (comment): / 22-02-2017 / 10:59:19 / cg"
|
3121
|
1137 |
!
|
|
1138 |
|
|
1139 |
read_ipc4_from:bytes
|
3915
|
1140 |
<resource: #obsolete>
|
3121
|
1141 |
"read an ipc4 (PNG or JPEG, 16x16) format icon"
|
|
1142 |
|
|
1143 |
^ self readPNGOrJPEGFrom:bytes expectedSize:16.
|
|
1144 |
|
|
1145 |
"
|
|
1146 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1147 |
self fromFile:'test.icns'
|
|
1148 |
"
|
|
1149 |
!
|
|
1150 |
|
|
1151 |
read_ipc5_from:bytes
|
3915
|
1152 |
<resource: #obsolete>
|
3910
|
1153 |
"read an ipc5 (PNG or JPEG, 32x32) format icon"
|
3121
|
1154 |
|
|
1155 |
^ self readPNGOrJPEGFrom:bytes expectedSize:32.
|
|
1156 |
|
|
1157 |
"
|
|
1158 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1159 |
self fromFile:'test.icns'
|
|
1160 |
"
|
3910
|
1161 |
|
|
1162 |
"Modified (comment): / 22-02-2017 / 11:02:44 / cg"
|
3121
|
1163 |
!
|
|
1164 |
|
3915
|
1165 |
read_ipc6_from:bytes
|
|
1166 |
<resource: #obsolete>
|
|
1167 |
"read an ipc6 (PNG or JPEG, 64x64) format icon"
|
|
1168 |
|
|
1169 |
^ self readPNGOrJPEGFrom:bytes expectedSize:64.
|
|
1170 |
|
|
1171 |
"
|
|
1172 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1173 |
self fromFile:'test.icns'
|
|
1174 |
"
|
|
1175 |
|
|
1176 |
"Created: / 22-02-2017 / 12:16:33 / cg"
|
|
1177 |
!
|
|
1178 |
|
3121
|
1179 |
read_is32_from:bytes
|
3405
|
1180 |
"read an is32 packbits format 16x16x24 icon"
|
3121
|
1181 |
|
3910
|
1182 |
|offset|
|
|
1183 |
|
|
1184 |
offset := 0.
|
|
1185 |
(bytes from:1 to:4) = #[0 0 0 0] ifTrue:[
|
|
1186 |
self halt.
|
|
1187 |
offset := 4.
|
|
1188 |
].
|
|
1189 |
^ self readPackBitsImageFrom:bytes asByteArray offset:offset width:16 height:16 depth:24.
|
|
1190 |
|
|
1191 |
"Modified: / 22-02-2017 / 10:32:25 / cg"
|
3121
|
1192 |
!
|
|
1193 |
|
|
1194 |
read_it32_from:bytes
|
3405
|
1195 |
"read an it32 packbits format 128x128x24 icon"
|
3121
|
1196 |
|
3910
|
1197 |
|offset|
|
|
1198 |
|
|
1199 |
offset := 0.
|
|
1200 |
(bytes from:1 to:4) = #[0 0 0 0] ifTrue:[
|
3915
|
1201 |
"/ self halt.
|
3910
|
1202 |
offset := 4.
|
|
1203 |
].
|
|
1204 |
^ self readPackBitsImageFrom:bytes asByteArray offset:offset width:128 height:128 depth:24.
|
3121
|
1205 |
|
|
1206 |
"
|
|
1207 |
self fromFile:'/Applications/TextEdit.app/Contents/Resources/txt.icns'
|
|
1208 |
"
|
3910
|
1209 |
|
3915
|
1210 |
"Modified: / 22-02-2017 / 12:19:56 / cg"
|
3121
|
1211 |
!
|
|
1212 |
|
|
1213 |
read_l8mk_from:bytes
|
3381
|
1214 |
"read an l8mk packbits format mask icon"
|
3121
|
1215 |
|
3910
|
1216 |
|offset|
|
|
1217 |
|
|
1218 |
offset := 0.
|
|
1219 |
(bytes from:1 to:4) = #[0 0 0 0] ifTrue:[
|
3911
|
1220 |
"/ self halt.
|
3910
|
1221 |
offset := 4.
|
|
1222 |
].
|
|
1223 |
^ self readPackBitsImageFrom:bytes asByteArray offset:offset width:32 height:32 depth:8.
|
|
1224 |
|
3911
|
1225 |
"Modified: / 22-02-2017 / 12:08:08 / cg"
|
3121
|
1226 |
!
|
|
1227 |
|
3937
|
1228 |
read_name_from:bytes
|
|
1229 |
"read (actually: skip) a name entry."
|
|
1230 |
|
|
1231 |
^ nil
|
|
1232 |
|
|
1233 |
"Created: / 28-02-2017 / 12:47:27 / cg"
|
|
1234 |
!
|
|
1235 |
|
3121
|
1236 |
read_s8mk_from:bytes
|
3381
|
1237 |
"read an s8mk packbits format mask icon"
|
3121
|
1238 |
|
3910
|
1239 |
|offset|
|
|
1240 |
|
|
1241 |
offset := 0.
|
|
1242 |
(bytes from:1 to:4) = #[0 0 0 0] ifTrue:[
|
|
1243 |
offset := 4.
|
|
1244 |
].
|
|
1245 |
^ self readPackBitsImageFrom:bytes asByteArray offset:offset width:16 height:16 depth:8.
|
|
1246 |
|
|
1247 |
"Modified: / 22-02-2017 / 10:34:46 / cg"
|
3121
|
1248 |
!
|
|
1249 |
|
|
1250 |
read_t8mk_from:bytes
|
3910
|
1251 |
"read an t8mk 128x128x8 mask icon"
|
|
1252 |
|
|
1253 |
|img|
|
3121
|
1254 |
|
3910
|
1255 |
self assert:(bytes size == (128*128)).
|
|
1256 |
img := Depth8Image width:128 height:128 fromArray:bytes.
|
|
1257 |
img photometric:#whiteIs0.
|
|
1258 |
^ img
|
|
1259 |
|
|
1260 |
"Modified (comment): / 22-02-2017 / 12:00:50 / cg"
|
3121
|
1261 |
! !
|
|
1262 |
|
|
1263 |
!MacOSXIconReader class methodsFor:'documentation'!
|
|
1264 |
|
|
1265 |
version
|
3490
|
1266 |
^ '$Header$'
|
3121
|
1267 |
!
|
|
1268 |
|
|
1269 |
version_CVS
|
3490
|
1270 |
^ '$Header$'
|
3121
|
1271 |
! !
|
|
1272 |
|
|
1273 |
|
|
1274 |
MacOSXIconReader initialize!
|