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Viewing changes to Mac/Demo/imgbrowse/mac_image.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-02-13 12:51:00 UTC
  • Revision ID: james.westby@ubuntu.com-20090213125100-uufgcb9yeqzujpqw
Tags: upstream-2.6.1
Import upstream version 2.6.1

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Mac/Demo/imgbrowse/mac_image.py
 
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"""mac_image - Helper routines (hacks) for images"""
 
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import imgformat
 
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from Carbon import Qd
 
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import struct
 
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import MacOS
 
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_fmt_to_mac = {
 
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        imgformat.macrgb16 : (16, 16, 3, 5),
 
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}
 
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def mkpixmap(w, h, fmt, data):
 
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    """kludge a pixmap together"""
 
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    fmtinfo = _fmt_to_mac[fmt]
 
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    rv = struct.pack("lHhhhhhhlllhhhhlll",
 
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            id(data)+MacOS.string_id_to_buffer, # HACK HACK!!
 
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            w*2 + 0x8000,
 
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            0, 0, h, w,
 
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            0,
 
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            0, 0, # XXXX?
 
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            72<<16, 72<<16,
 
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            fmtinfo[0], fmtinfo[1],
 
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            fmtinfo[2], fmtinfo[3],
 
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            0, 0, 0)
 
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##      print 'Our pixmap, size %d:'%len(rv)
 
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##      dumppixmap(rv)
 
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    return Qd.RawBitMap(rv)
 
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def dumppixmap(data):
 
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    baseAddr, \
 
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            rowBytes, \
 
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            t, l, b, r, \
 
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            pmVersion, \
 
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            packType, packSize, \
 
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            hRes, vRes, \
 
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            pixelType, pixelSize, \
 
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            cmpCount, cmpSize, \
 
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            planeBytes, pmTable, pmReserved \
 
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                    = struct.unpack("lhhhhhhhlllhhhhlll", data)
 
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    print 'Base:       0x%x'%baseAddr
 
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    print 'rowBytes:   %d (0x%x)'%(rowBytes&0x3fff, rowBytes)
 
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    print 'rect:       %d, %d, %d, %d'%(t, l, b, r)
 
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    print 'pmVersion:  0x%x'%pmVersion
 
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    print 'packing:    %d %d'%(packType, packSize)
 
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    print 'resolution: %f x %f'%(float(hRes)/0x10000, float(vRes)/0x10000)
 
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    print 'pixeltype:  %d, size %d'%(pixelType, pixelSize)
 
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    print 'components: %d, size %d'%(cmpCount, cmpSize)
 
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    print 'planeBytes: %d (0x%x)'%(planeBytes, planeBytes)
 
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    print 'pmTable:    0x%x'%pmTable
 
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    print 'pmReserved: 0x%x'%pmReserved
 
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    for i in range(0, len(data), 16):
 
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        for j in range(16):
 
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            if i + j < len(data):
 
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                print '%02.2x'%ord(data[i+j]),
 
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        print