| """mac_image - Helper routines (hacks) for images""" |
| import imgformat |
| from Carbon 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]), end=' ') |
| print() |