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