def window_flip_and_save():
global dump_idx
win = pymt.getWindow()
glReadBuffer(GL_FRONT)
data = glReadPixels(0, 0, win.width, win.height, GL_RGB, GL_UNSIGNED_BYTE)
surface = pygame.image.fromstring(str(buffer(data)), win.size, "RGB", True)
filename = "%s%05d.%s" % (dump_prefix, dump_idx, dump_format)
pygame.image.save(surface, filename)
dump_idx += 1
def window_flip_and_save():
global dump_idx
win = pymt.getWindow()
glReadBuffer(GL_FRONT)
data = glReadPixels(0, 0, win.width, win.height, GL_RGB, GL_UNSIGNED_BYTE)
surface = pygame.image.fromstring(str(buffer(data)), win.size, 'RGB', True)
filename = '%s%05d.%s' % (dump_prefix, dump_idx, dump_format)
pygame.image.save(surface, filename)
dump_idx += 1
def on_update(self):
scale = self.scale
w, h = getWindow().size
for child in self.children[:]:
x, y, r = child.circle
x, y = self.to_parent(x, y)
r *= self.scale
if x+r < 0 or x-r > w or y+r < 0 or y-r > h:
child.do_draw = False
continue
else:
child.do_draw = True
child.dispatch_event('on_update')
def on_update(self):
w, h = getWindow().size
for child in self.children[:]:
child.dispatch_event('on_update')
# update child only if we are drawing too
if self.do_draw:
x, y, r = child.circle
x, y = self.parent.to_parent(x, y)
r *= self.parent.scale
if x+r < 0 or x-r > w or y+r < 0 or y-r > h:
child.do_draw = False
else:
child.do_draw = True
def release(self):
# Restore viewport
if self.push_viewport:
glPopAttrib()
# Copy current buffer into fbo texture
set_texture(self.texture, target=GL_TEXTURE_2D);
glReadBuffer(GL_BACK)
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, self.size[0], self.size[1])
# Restore old buffer
w = pymt.getWindow()
glDrawPixels(w.width, w.height, GL_RGBA, GL_UNSIGNED_BYTE, self.pixels)
glPopAttrib()
def window_flip_and_save():
global img_current
win = pymt.getWindow()
with lock_current:
if not connected:
return
sem_next.acquire()
with lock_current:
glReadBuffer(GL_FRONT)
data = glReadPixels(0, 0, win.width, win.height, GL_RGB, GL_UNSIGNED_BYTE)
img_current = str(buffer(data))
sem_current.release()
def get_screen_texture(mode='back'):
win = getWindow()
if mode.lower() == 'front':
glReadBuffer(GL_FRONT)
else:
glReadBuffer(GL_BACK)
data = glReadPixels(0, 0, win.width, win.height, GL_RGB, GL_UNSIGNED_BYTE)
# do a mini
size = win.width / 10, win.height / 10
surf = pygame.image.fromstring(data, win.size, 'RGB')
surf = pygame.transform.scale(surf, size)
data = pygame.image.tostring(surf, 'RGB')
tex = Texture.create(size[0], size[1], GL_RGB, rectangle=True)
tex.blit_buffer(data)
return tex, [size[0], size[1], data]
def release(self):
# Restore viewport
if self.push_viewport:
glPopAttrib()
# Copy current buffer into fbo texture
set_texture(self.texture, target=GL_TEXTURE_2D)
glReadBuffer(GL_BACK)
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, self.size[0], self.size[1])
# Restore old buffer
w = pymt.getWindow()
glDrawPixels(w.width, w.height, GL_RGBA, GL_UNSIGNED_BYTE, self.pixels)
glPopAttrib()
super(SoftwareFbo, self).release()
def window_flip_and_save():
global img_current
win = pymt.getWindow()
with lock_current:
if not connected:
return
sem_next.acquire()
with lock_current:
glReadBuffer(GL_FRONT)
data = glReadPixels(0, 0, win.width, win.height, GL_RGB,
GL_UNSIGNED_BYTE)
img_current = str(buffer(data))
sem_current.release()
def on_draw(self):
w, h = getWindow().size
with gx_matrix:
glMultMatrixf(self.transform_mat)
self.draw()
for child in [x for x in self.children if x.do_draw]:
child.dispatch_event('on_draw')
# draw pen
glLineWidth(3)
set_color(.8, .8, .8, .8)
for x in self.linepen:
drawLine(x)
# draw selection
if len(self.selection) > 2:
set_color(.2, .6, .2, .8)
drawLine(self.selection)
set_color(.2, .6, .2, .3)
drawLine(self.selection[-1] + self.selection[0])
def bind(self):
super(SoftwareFbo, self).bind()
# Save current buffer
w = pymt.getWindow()
glReadBuffer(GL_BACK)
self.pixels = glReadPixels(0, 0, w.width, w.height, GL_RGBA, GL_UNSIGNED_BYTE)
# Push current attrib
glPushAttrib(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_TEST | GL_STENCIL_BUFFER_BIT)
glDisable(GL_STENCIL_TEST)
# Save viewport if asked
if self.push_viewport:
glPushAttrib(GL_VIEWPORT_BIT)
glViewport(0, 0, self.size[0], self.size[1])
# Draw old Framebuffer
set_color(1, 1, 1)
drawTexturedRectangle(self.texture, size=self.size)
def bind(self):
super(SoftwareFbo, self).bind()
# Save current buffer
w = pymt.getWindow()
glReadBuffer(GL_BACK)
self.pixels = glReadPixels(0, 0, w.width, w.height, GL_RGBA, GL_UNSIGNED_BYTE)
# Push current attrib
glPushAttrib(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_TEST | GL_STENCIL_BUFFER_BIT)
glDisable(GL_STENCIL_TEST)
# Save viewport if asked
if self.push_viewport:
glPushAttrib(GL_VIEWPORT_BIT)
glViewport(0, 0, self.size[0], self.size[1])
# Draw old Framebuffer
set_color(1, 1, 1)
drawTexturedRectangle(self.texture, size=self.size)
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
'''
if __name__ == '__main__':
import sys
from pymt import runTouchApp, getWindow
if len(sys.argv) < 2:
print
print 'Usage: python start.py <filename_of_presentation.m>'
print
print 'To create a new presentation, just start application'
print 'with a new filename.'
print
sys.exit(1)
from app import Presemt
dontrun = False
m = Presemt(size=getWindow().size)
m.load(sys.argv[1])
if len(sys.argv) >= 3:
if sys.argv[2] == '--pdf':
m.export_to_pdf()
dontrun = True
if not dontrun:
runTouchApp(m)
def _stream_video(self):
global img_current
lfps = []
dt = 0
frames = 0
fps_wanted = self.server.config.get('fps')
if fps_wanted == '':
fps_wanted = 0
fps_wanted = float(fps_wanted)
if fps_wanted <= 1:
fps_wanted = 0
else:
fps_wanted = 1 / fps_wanted
size = self.server.config.get('size')
if size == '':
size = None
else:
size = map(int, size.split('x'))
pymt.pymt_logger.info(
'MjpegServer: Client %s:%d connected' % self.client_address)
self.send_response(200, 'OK')
self.boundary = 'pymt-mjpegserver-boundary-%d' % (random.randint(1, 9999999))
self.send_header('Server', 'PyMT MjpegServer')
self.send_header('Content-type', 'multipart/x-mixed-replace; boundary=%s' % self.boundary)
self.end_headers()
# don't accept connection until the window is created
# XXX really needed ?
while not pymt.getWindow():
time.sleep(0.1)
win = pymt.getWindow()
dt = dt_current = dt_old = time.time()
while keep_running():
# SYNC START
sem_current.acquire()
with lock_current:
im = Image.fromstring('RGB', win.size, img_current)
img_current = None
sem_next.release()
# SYNC END
buf = StringIO.StringIO()
if size:
im = im.resize(size)
im = im.transpose(Image.FLIP_TOP_BOTTOM)
im.save(buf, format='JPEG')
jpeg = buf.getvalue()
self.wfile.write('--%s\r\n' % self.boundary)
self.wfile.write('Content-Type: image/jpeg\r\n')
self.wfile.write('Content-Length: %d\r\n\r\n' % len(jpeg))
self.wfile.write(jpeg)
dt_old = dt_current
dt_current = time.time()
d = dt_current - dt_old
if d < fps_wanted:
time.sleep(d)
frames += 1
if dt_current - dt > 2.:
fps = frames / (dt_current - dt)
lfps.append(fps)
x = sum(lfps) / len(lfps)
pymt.pymt_logger.debug('MjpegServer: current FPS is %.1f, average is %.1f' % (fps, x))
dt = dt_current
frames = 0
def _stream_video(self):
global img_current
lfps = []
dt = 0
frames = 0
fps_wanted = self.server.config.get('fps')
if fps_wanted == '':
fps_wanted = 0
fps_wanted = float(fps_wanted)
if fps_wanted <= 1:
fps_wanted = 0
else:
fps_wanted = 1 / fps_wanted
size = self.server.config.get('size')
if size == '':
size = None
else:
size = map(int, size.split('x'))
pymt.pymt_logger.info('MjpegServer: Client %s:%d connected' %
self.client_address)
self.send_response(200, 'OK')
self.boundary = 'pymt-mjpegserver-boundary-%d' % (random.randint(
1, 9999999))
self.send_header('Server', 'PyMT MjpegServer')
self.send_header(
'Content-type',
'multipart/x-mixed-replace; boundary=%s' % self.boundary)
self.end_headers()
# don't accept connection until the window is created
# XXX really needed ?
while not pymt.getWindow():
time.sleep(0.1)
win = pymt.getWindow()
dt = dt_current = dt_old = time.time()
while keep_running():
# SYNC START
sem_current.acquire()
with lock_current:
im = Image.fromstring('RGB', win.size, img_current)
img_current = None
sem_next.release()
# SYNC END
buf = StringIO.StringIO()
if size:
im = im.resize(size)
im = im.transpose(Image.FLIP_TOP_BOTTOM)
im.save(buf, format='JPEG')
jpeg = buf.getvalue()
self.wfile.write('--%s\r\n' % self.boundary)
self.wfile.write('Content-Type: image/jpeg\r\n')
self.wfile.write('Content-Length: %d\r\n\r\n' % len(jpeg))
self.wfile.write(jpeg)
dt_old = dt_current
dt_current = time.time()
d = dt_current - dt_old
if d < fps_wanted:
time.sleep(d)
frames += 1
if dt_current - dt > 2.:
fps = frames / (dt_current - dt)
lfps.append(fps)
x = sum(lfps) / len(lfps)
pymt.pymt_logger.debug(
'MjpegServer: current FPS is %.1f, average is %.1f' %
(fps, x))
dt = dt_current
frames = 0
