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"""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)+12,
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+QuickDraw.ditherCopy, 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()
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