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| -rw-r--r-- | Mac/Demo/imgbrowse/imgbrowse.py | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Mac/Demo/imgbrowse/imgbrowse.py b/Mac/Demo/imgbrowse/imgbrowse.py new file mode 100644 index 0000000..e498a06 --- /dev/null +++ b/Mac/Demo/imgbrowse/imgbrowse.py @@ -0,0 +1,156 @@ +"""imgbrowse - Display pictures using img""" + +import FrameWork +import EasyDialogs +import Res +import Qd +import QuickDraw +import Win +#import List +import sys +import struct +import img +import imgformat +import macfs +import struct + + +# Where is the picture window? +LEFT=200 +TOP=64 +MINWIDTH=64 +MINHEIGHT=64 +MAXWIDTH=320 +MAXHEIGHT=320 + +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 + +def mk16pixmap(w, h, data): + """kludge a pixmap together""" + rv = struct.pack("lhhhhhhhlllhhhhlll", + id(data), + w*2 + 0x8000, + 0, 0, h, w, + 0, + 0, 0, # XXXX? + 72<<16, 72<<16, + 16, 16, # XXXX + 3, 5, + 0, 0, 0) + print 'Our pixmap, size %d:'%len(rv) + dumppixmap(rv) + return Qd.RawBitMap(rv) + +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): + raise self + + def opendoc(self, *args): + fss, ok = macfs.StandardGetFile() # Any file type + if not ok: + return + bar = EasyDialogs.ProgressBar('Reading and converting...') + pathname = fss.as_pathname() + try: + rdr = img.reader(imgformat.macrgb16, pathname) + except img.error, arg: + EasyDialogs.Message(`arg`) + return + w, h = rdr.width, rdr.height + bar.set(10) + data = rdr.read() + del bar + pixmap = mk16pixmap(w, h, data) + self.showimg(w, h, pixmap) + + def showimg(self, w, h, pixmap): + win = imgwindow(self) + win.open(w, h, pixmap) + self.lastwin = win + + def info(self, *args): + if self.lastwin: + self.lastwin.info() + +class imgwindow(FrameWork.Window): + def open(self, width, height, pixmap): + self.pixmap = pixmap + 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().portBits, self.pictrect, + currect, QuickDraw.srcCopy, None) + self.info() + Qd.CopyBits(self.pixmap, self.wid.GetWindowPort().portBits, self.pictrect, + currect, QuickDraw.srcCopy, None) +## Qd.DrawPicture(self.picture, currect) + + def fitrect(self): + """Return self.pictrect scaled to fit in window""" + graf = self.wid.GetWindowPort() + screenrect = graf.portRect + 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.portBits + dumppixmap(bits.pixmap_data) + +main() |