57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
"""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 time
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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
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