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1"""imgbrowse - Display pictures using img"""
2
3import FrameWork
4import EasyDialogs
5from Carbon import Res
6from Carbon import Qd
7from Carbon import QuickDraw
8from Carbon import Win
9#ifrom Carbon mport List
10import struct
11import img
12import imgformat
13import mac_image
14
15
16# Where is the picture window?
17LEFT=200
18TOP=64
19MINWIDTH=64
20MINHEIGHT=64
21MAXWIDTH=320
22MAXHEIGHT=320
23
24
25def main():
26    print 'hello world'
27    imgbrowse()
28
29class 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
72class 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
115main()
116