Mac/Demo/imgbrowse/imgbrowse.py

   1 """imgbrowse - Display pictures using img"""
   2
   3 import FrameWork
   4 import EasyDialogs
   5 import Res
   6 import Qd
   7 import QuickDraw
   8 import Win
   9 #import List
  10 import sys
  11 import struct
  12 import img
  13 import imgformat
  14 import macfs
  15 import struct
  16 import mac_image
  17
  18
  19 # Where is the picture window?
  20 LEFT=200
  21 TOP=64
  22 MINWIDTH=64
  23 MINHEIGHT=64
  24 MAXWIDTH=320
  25 MAXHEIGHT=320
  26
  27
  28 def main():
  29         print 'hello world'
  30         imgbrowse()
  31
  32 class imgbrowse(FrameWork.Application):
  33         def __init__(self):
  34                 # First init menus, etc.
  35                 FrameWork.Application.__init__(self)
  36                 self.lastwin = None
  37                 # Finally, go into the event loop
  38                 self.mainloop()
  39
  40         def makeusermenus(self):
  41                 self.filemenu = m = FrameWork.Menu(self.menubar, "File")
  42                 self.openitem = FrameWork.MenuItem(m, "Open...", "O", self.opendoc)
  43                 self.infoitem = FrameWork.MenuItem(m, "Info", "I", self.info)
  44                 self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
  45
  46         def quit(self, *args):
  47                 self._quit()
  48
  49         def opendoc(self, *args):
  50                 fss, ok = macfs.StandardGetFile() # Any file type
  51                 if not ok:
  52                         return
  53                 bar = EasyDialogs.ProgressBar('Reading and converting...')
  54                 pathname = fss.as_pathname()
  55                 try:
  56                         rdr = img.reader(imgformat.macrgb16, pathname)
  57                 except img.error, arg:
  58                         EasyDialogs.Message(`arg`)
  59                         return
  60                 w, h = rdr.width, rdr.height
  61                 bar.set(10)
  62                 data = rdr.read()
  63                 del bar
  64                 pixmap = mac_image.mkpixmap(w, h, imgformat.macrgb16, data)
  65                 self.showimg(w, h, pixmap, data)
  66
  67         def showimg(self, w, h, pixmap, data):
  68                 win = imgwindow(self)
  69                 win.open(w, h, pixmap, data)
  70                 self.lastwin = win
  71
  72         def info(self, *args):
  73                 if self.lastwin:
  74                         self.lastwin.info()
  75
  76 class imgwindow(FrameWork.Window):
  77         def open(self, width, height, pixmap, data):
  78                 self.pixmap = pixmap
  79                 self.data = data
  80                 self.pictrect = (0, 0, width, height)
  81                 bounds = (LEFT, TOP, LEFT+width, TOP+height)
  82
  83                 self.wid = Win.NewCWindow(bounds, "Picture", 1, 0, -1, 1, 0)
  84                 self.do_postopen()
  85
  86         def do_update(self, *args):
  87                 pass
  88                 currect = self.fitrect()
  89                 print 'PICT:', self.pictrect
  90                 print 'WIND:', currect
  91                 print 'ARGS:', (self.pixmap, self.wid.GetWindowPort().portBits, self.pictrect,
  92                                 currect, QuickDraw.srcCopy, None)
  93                 self.info()
  94                 Qd.CopyBits(self.pixmap, self.wid.GetWindowPort().portBits, self.pictrect,
  95                                 currect, QuickDraw.srcCopy, None)
  96
  97         def fitrect(self):
  98                 """Return self.pictrect scaled to fit in window"""
  99                 graf = self.wid.GetWindowPort()
 100                 screenrect = graf.portRect
 101                 picwidth = self.pictrect[2] - self.pictrect[0]
 102                 picheight = self.pictrect[3] - self.pictrect[1]
 103                 if picwidth > screenrect[2] - screenrect[0]:
 104                         factor = float(picwidth) / float(screenrect[2]-screenrect[0])
 105                         picwidth = picwidth / factor
 106                         picheight = picheight / factor
 107                 if picheight > screenrect[3] - screenrect[1]:
 108                         factor = float(picheight) / float(screenrect[3]-screenrect[1])
 109                         picwidth = picwidth / factor
 110                         picheight = picheight / factor
 111                 return (screenrect[0], screenrect[1], screenrect[0]+int(picwidth),
 112                                 screenrect[1]+int(picheight))
 113
 114         def info(self):
 115                 graf = self.wid.GetWindowPort()
 116                 bits = graf.portBits
 117                 mac_image.dumppixmap(bits.pixmap_data)
 118
 119 main()