"""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()