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