def show(file):
import gl, GL, DEVICE
jpegdata = open(file, 'r').read()
imgdata, width, height, bytesperpixel = decompress(jpegdata)
gl.foreground()
gl.prefsize(width, height)
win = gl.winopen(file)
if bytesperpixel == 1:
gl.cmode()
gl.pixmode(GL.PM_SIZE, 8)
gl.gconfig()
for i in range(256):
gl.mapcolor(i, i, i, i)
else:
gl.RGBmode()
gl.pixmode(GL.PM_SIZE, 32)
gl.gconfig()
gl.qdevice(DEVICE.REDRAW)
gl.qdevice(DEVICE.ESCKEY)
gl.qdevice(DEVICE.WINQUIT)
gl.qdevice(DEVICE.WINSHUT)
gl.lrectwrite(0, 0, width - 1, height - 1, imgdata)
while 1:
dev, val = gl.qread()
if dev in (DEVICE.ESCKEY, DEVICE.WINSHUT, DEVICE.WINQUIT):
break
if dev == DEVICE.REDRAW:
gl.lrectwrite(0, 0, width - 1, height - 1, imgdata)
gl.winclose(win)
newjpegdata = compress(imgdata, width, height, bytesperpixel)
open('/tmp/j.jpg', 'w').write(newjpegdata)
def show(file):
import gl, GL, DEVICE
jpegdata = open(file, 'r').read()
imgdata, width, height, bytesperpixel = decompress(jpegdata)
gl.foreground()
gl.prefsize(width, height)
win = gl.winopen(file)
if bytesperpixel == 1:
gl.cmode()
gl.pixmode(GL.PM_SIZE, 8)
gl.gconfig()
for i in range(256):
gl.mapcolor(i, i, i, i)
else:
gl.RGBmode()
gl.pixmode(GL.PM_SIZE, 32)
gl.gconfig()
gl.qdevice(DEVICE.REDRAW)
gl.qdevice(DEVICE.ESCKEY)
gl.qdevice(DEVICE.WINQUIT)
gl.qdevice(DEVICE.WINSHUT)
gl.lrectwrite(0, 0, width - 1, height - 1, imgdata)
while 1:
dev, val = gl.qread()
if dev in (DEVICE.ESCKEY, DEVICE.WINSHUT, DEVICE.WINQUIT):
break
if dev == DEVICE.REDRAW:
gl.lrectwrite(0, 0, width - 1, height - 1, imgdata)
gl.winclose(win)
newjpegdata = compress(imgdata, width, height, bytesperpixel)
open('/tmp/j.jpg', 'w').write(newjpegdata)
def main():
format = SV.RGB8_FRAMES
requestedwidth = SV.PAL_XMAX
queuesize = 30
if sys.argv[1:]:
queuesize = eval(sys.argv[1])
v = sv.OpenVideo()
svci = (format, requestedwidth, 0, queuesize, 0)
go = raw_input('Press return to capture ' + `queuesize` + ' frames: ')
result = v.CaptureBurst(svci)
svci, buffer, bitvec = result
## svci, buffer = result # XXX If bit vector not yet implemented
print 'Captured', svci[3], 'frames, i.e.', len(buffer)/1024, 'K bytes'
w, h = svci[1:3]
framesize = w * h
gl.prefposition(300, 300+w-1, 100, 100+h-1)
gl.foreground()
win = gl.winopen('Burst Capture')
gl.RGBmode()
gl.gconfig()
gl.qdevice(DEVICE.LEFTMOUSE)
gl.qdevice(DEVICE.ESCKEY)
print 'Click left mouse for next frame'
for i in range(svci[3]):
inverted_frame = sv.RGB8toRGB32(1, \
buffer[i*framesize:(i+1)*framesize], w, h)
gl.lrectwrite(0, 0, w-1, h-1, inverted_frame)
while 1:
dev, val = gl.qread()
if dev == DEVICE.LEFTMOUSE and val == 1:
break
if dev == DEVICE.REDRAW:
gl.lrectwrite(0, 0, w-1, h-1, inverted_frame)
if dev == DEVICE.ESCKEY:
v.CloseVideo()
gl.winclose(win)
return
v.CloseVideo()
gl.winclose(win)
def main():
format = SV.RGB8_FRAMES
requestedwidth = SV.PAL_XMAX
queuesize = 30
if sys.argv[1:]:
queuesize = eval(sys.argv[1])
v = sv.OpenVideo()
svci = (format, requestedwidth, 0, queuesize, 0)
go = raw_input('Press return to capture ' + ` queuesize ` + ' frames: ')
result = v.CaptureBurst(svci)
svci, buffer, bitvec = result
## svci, buffer = result # XXX If bit vector not yet implemented
print 'Captured', svci[3], 'frames, i.e.', len(buffer) / 1024, 'K bytes'
w, h = svci[1:3]
framesize = w * h
gl.prefposition(300, 300 + w - 1, 100, 100 + h - 1)
gl.foreground()
win = gl.winopen('Burst Capture')
gl.RGBmode()
gl.gconfig()
gl.qdevice(DEVICE.LEFTMOUSE)
gl.qdevice(DEVICE.ESCKEY)
print 'Click left mouse for next frame'
for i in range(svci[3]):
inverted_frame = sv.RGB8toRGB32(1, \
buffer[i*framesize:(i+1)*framesize], w, h)
gl.lrectwrite(0, 0, w - 1, h - 1, inverted_frame)
while 1:
dev, val = gl.qread()
if dev == DEVICE.LEFTMOUSE and val == 1:
break
if dev == DEVICE.REDRAW:
gl.lrectwrite(0, 0, w - 1, h - 1, inverted_frame)
if dev == DEVICE.ESCKEY:
v.CloseVideo()
gl.winclose(win)
return
v.CloseVideo()
gl.winclose(win)
def grab_rgb8(w, h, pf): if gl.getdisplaymode() <> GET.DMRGB: raise Error, 'Sorry, can only grab rgb8 in single-buf rgbmode' if pf <> (1, 1): raise Error, 'Sorry, can only grab rgb8 with packfactor (1,1)' if not VFile.is_entry_indigo(): raise Error, 'Sorry, can only grab rgb8 on entry level Indigo' # XXX Dirty Dirty here. # XXX Set buffer to cmap mode, grab image and set it back. gl.cmode() gl.gconfig() gl.pixmode(GL.PM_SIZE, 8) data = gl.lrectread(0, 0, w-1, h-1) data = data[:w*h] # BUG FIX for python lrectread gl.RGBmode() gl.gconfig() gl.pixmode(GL.PM_SIZE, 32) return data, None
def grab_rgb8(w, h, pf):
if gl.getdisplaymode() <> GET.DMRGB:
raise Error, 'Sorry, can only grab rgb8 in single-buf rgbmode'
if pf <> (1, 1):
raise Error, 'Sorry, can only grab rgb8 with packfactor (1,1)'
if not VFile.is_entry_indigo():
raise Error, 'Sorry, can only grab rgb8 on entry level Indigo'
# XXX Dirty Dirty here.
# XXX Set buffer to cmap mode, grab image and set it back.
gl.cmode()
gl.gconfig()
gl.pixmode(GL.PM_SIZE, 8)
data = gl.lrectread(0, 0, w - 1, h - 1)
data = data[:w * h] # BUG FIX for python lrectread
gl.RGBmode()
gl.gconfig()
gl.pixmode(GL.PM_SIZE, 32)
return data, None
def imageview(file): import cl, CL, gl, GL, DEVICE filep = open(file, 'r') header = filep.read(16) filep.seek(0) scheme = cl.QueryScheme(header) decomp = cl.OpenDecompressor(scheme) headersize = cl.QueryMaxHeaderSize(scheme) header = filep.read(headersize) filep.seek(0) headersize = decomp.ReadHeader(header) width = decomp.GetParam(CL.IMAGE_WIDTH) height = decomp.GetParam(CL.IMAGE_HEIGHT) params = [CL.ORIGINAL_FORMAT, CL.RGBX, \ CL.ORIENTATION, CL.BOTTOM_UP, \ CL.FRAME_BUFFER_SIZE, width*height*CL.BytesPerPixel(CL.RGBX)] decomp.SetParams(params) image = decomp.Decompress(1, filep.read()) filep.close() decomp.CloseDecompressor() gl.foreground() gl.prefsize(width, height) win = gl.winopen(file) gl.RGBmode() gl.pixmode(GL.PM_SIZE, 32) gl.gconfig() gl.qdevice(DEVICE.REDRAW) gl.qdevice(DEVICE.ESCKEY) gl.qdevice(DEVICE.WINQUIT) gl.qdevice(DEVICE.WINSHUT) gl.lrectwrite(0, 0, width-1, height-1, image) while 1: dev, val = gl.qread() if dev in (DEVICE.ESCKEY, DEVICE.WINSHUT, DEVICE.WINQUIT): break if dev == DEVICE.REDRAW: gl.lrectwrite(0, 0, width-1, height-1, image) gl.winclose(win)
def set_cmode(self):
gl.cmode()
gl.gconfig()
def set_cmode(self): gl.cmode() gl.gconfig()
def set_rgbmode(self): gl.RGBmode() gl.gconfig()
import sys
import sys
import sys
# Implement 'jpeg' interface using SGI's compression library
def set_rgbmode(self):
gl.RGBmode()
gl.gconfig()
import sys
# Classes to read and write CMIF video files.
# Class to grab frames from a window.
import sys
# Classes to read and write CMIF video files.
