Import Upstream version 2.7.18

Mac/Demo/imgbrowse/imgbrowse.py

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+"""imgbrowse - Display pictures using img"""
+
+import FrameWork
+import EasyDialogs
+from Carbon import Res
+from Carbon import Qd
+from Carbon import QuickDraw
+from Carbon import Win
+#ifrom Carbon mport List
+import struct
+import img
+import imgformat
+import mac_image
+
+
+# Where is the picture window?
+LEFT=200
+TOP=64
+MINWIDTH=64
+MINHEIGHT=64
+MAXWIDTH=320
+MAXHEIGHT=320
+
+
+def main():
+    print 'hello world'
+    imgbrowse()
+
+class imgbrowse(FrameWork.Application):
+    def __init__(self):
+        # First init menus, etc.
+        FrameWork.Application.__init__(self)
+        self.lastwin = None
+        # Finally, go into the event loop
+        self.mainloop()
+
+    def makeusermenus(self):
+        self.filemenu = m = FrameWork.Menu(self.menubar, "File")
+        self.openitem = FrameWork.MenuItem(m, "Open...", "O", self.opendoc)
+        self.infoitem = FrameWork.MenuItem(m, "Info", "I", self.info)
+        self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)
+
+    def quit(self, *args):
+        self._quit()
+
+    def opendoc(self, *args):
+        pathname = EasyDialogs.AskFileForOpen() # Any file type
+        if not pathname:
+            return
+        bar = EasyDialogs.ProgressBar('Reading and converting...')
+        try:
+            rdr = img.reader(imgformat.macrgb16, pathname)
+        except img.error, arg:
+            EasyDialogs.Message(repr(arg))
+            return
+        w, h = rdr.width, rdr.height
+        bar.set(10)
+        data = rdr.read()
+        del bar
+        pixmap = mac_image.mkpixmap(w, h, imgformat.macrgb16, data)
+        self.showimg(w, h, pixmap, data)
+
+    def showimg(self, w, h, pixmap, data):
+        win = imgwindow(self)
+        win.open(w, h, pixmap, data)
+        self.lastwin = win
+
+    def info(self, *args):
+        if self.lastwin:
+            self.lastwin.info()
+
+class imgwindow(FrameWork.Window):
+    def open(self, width, height, pixmap, data):
+        self.pixmap = pixmap
+        self.data = data
+        self.pictrect = (0, 0, width, height)
+        bounds = (LEFT, TOP, LEFT+width, TOP+height)
+
+        self.wid = Win.NewCWindow(bounds, "Picture", 1, 0, -1, 1, 0)
+        self.do_postopen()
+
+    def do_update(self, *args):
+        pass
+        currect = self.fitrect()
+        print 'PICT:', self.pictrect
+        print 'WIND:', currect
+        print 'ARGS:', (self.pixmap, self.wid.GetWindowPort().GetPortBitMapForCopyBits(), self.pictrect,
+                        currect, QuickDraw.srcCopy, None)
+        self.info()
+        Qd.CopyBits(self.pixmap, self.wid.GetWindowPort().GetPortBitMapForCopyBits(), self.pictrect,
+                        currect, QuickDraw.srcCopy, None)
+
+    def fitrect(self):
+        """Return self.pictrect scaled to fit in window"""
+        graf = self.wid.GetWindowPort()
+        screenrect = graf.GetPortBounds()
+        picwidth = self.pictrect[2] - self.pictrect[0]
+        picheight = self.pictrect[3] - self.pictrect[1]
+        if picwidth > screenrect[2] - screenrect[0]:
+            factor = float(picwidth) / float(screenrect[2]-screenrect[0])
+            picwidth = picwidth / factor
+            picheight = picheight / factor
+        if picheight > screenrect[3] - screenrect[1]:
+            factor = float(picheight) / float(screenrect[3]-screenrect[1])
+            picwidth = picwidth / factor
+            picheight = picheight / factor
+        return (screenrect[0], screenrect[1], screenrect[0]+int(picwidth),
+                        screenrect[1]+int(picheight))
+
+    def info(self):
+        graf = self.wid.GetWindowPort()
+        bits = graf.GetPortBitMapForCopyBits()
+        mac_image.dumppixmap(bits.pixmap_data)
+
+main()

Mac/Demo/imgbrowse/mac_image.py

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+"""mac_image - Helper routines (hacks) for images"""
+import imgformat
+from Carbon import Qd
+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