1"""mac_image - Helper routines (hacks) for images""" 2import imgformat 3from Carbon import Qd 4import struct 5import MacOS 6 7_fmt_to_mac = { 8 imgformat.macrgb16 : (16, 16, 3, 5), 9} 10 11def mkpixmap(w, h, fmt, data): 12 """kludge a pixmap together""" 13 fmtinfo = _fmt_to_mac[fmt] 14 15 rv = struct.pack("lHhhhhhhlllhhhhlll", 16 id(data)+MacOS.string_id_to_buffer, # HACK HACK!! 17 w*2 + 0x8000, 18 0, 0, h, w, 19 0, 20 0, 0, # XXXX? 21 72<<16, 72<<16, 22 fmtinfo[0], fmtinfo[1], 23 fmtinfo[2], fmtinfo[3], 24 0, 0, 0) 25## print 'Our pixmap, size %d:'%len(rv) 26## dumppixmap(rv) 27 return Qd.RawBitMap(rv) 28 29def dumppixmap(data): 30 baseAddr, \ 31 rowBytes, \ 32 t, l, b, r, \ 33 pmVersion, \ 34 packType, packSize, \ 35 hRes, vRes, \ 36 pixelType, pixelSize, \ 37 cmpCount, cmpSize, \ 38 planeBytes, pmTable, pmReserved \ 39 = struct.unpack("lhhhhhhhlllhhhhlll", data) 40 print 'Base: 0x%x'%baseAddr 41 print 'rowBytes: %d (0x%x)'%(rowBytes&0x3fff, rowBytes) 42 print 'rect: %d, %d, %d, %d'%(t, l, b, r) 43 print 'pmVersion: 0x%x'%pmVersion 44 print 'packing: %d %d'%(packType, packSize) 45 print 'resolution: %f x %f'%(float(hRes)/0x10000, float(vRes)/0x10000) 46 print 'pixeltype: %d, size %d'%(pixelType, pixelSize) 47 print 'components: %d, size %d'%(cmpCount, cmpSize) 48 print 'planeBytes: %d (0x%x)'%(planeBytes, planeBytes) 49 print 'pmTable: 0x%x'%pmTable 50 print 'pmReserved: 0x%x'%pmReserved 51 for i in range(0, len(data), 16): 52 for j in range(16): 53 if i + j < len(data): 54 print '%02.2x'%ord(data[i+j]), 55 print 56