def take_png_screenshot(window):
log("grabbing screenshot")
w,h = window.get_geometry()[2:4]
pixbuf = get_pixbuf_from_window(window, 0, 0, w, h)
data = pixbuf_save_to_memory(pixbuf, "png")
rowstride = w*3
return w, h, "png", rowstride, data
def take_png_screenshot(window):
log("grabbing screenshot")
w, h = window.get_geometry()[2:4]
pixbuf = get_pixbuf_from_window(window, 0, 0, w, h)
buf = []
def save_to_memory(data, *_args, **_kwargs):
buf.append(strtobytes(data))
return True
if is_gtk3():
pixbuf.save_to_callbackv(save_to_memory, None, "png", [], [])
else:
pixbuf.save_to_callback(save_to_memory, "png", {}, buf)
rowstride = w * 3
return w, h, "png", rowstride, b"".join(buf)
def get_rgb_rawdata(window, x, y, width, height):
"""
Extracts pixels from the given pixmap
"""
start = monotonic_time()
pixmap_w, pixmap_h = window.get_geometry()[2:4]
# Just in case we somehow end up with damage larger than the pixmap,
# we don't want to start requesting random chunks of memory (this
# could happen if a window is resized but we don't throw away our
# existing damage map):
assert x >= 0
assert y >= 0
if x + width > pixmap_w:
width = pixmap_w - x
if y + height > pixmap_h:
height = pixmap_h - y
if width <= 0 or height <= 0:
return None
pixbuf = get_pixbuf_from_window(window, x, y, width, height)
log("get_rgb_rawdata(..) pixbuf.get_from_drawable took %s ms", int(1000*(monotonic_time()-start)))
raw_data = pixbuf.get_pixels()
rowstride = pixbuf.get_rowstride()
return (x, y, width, height, raw_data, "RGB", 24, rowstride, 3)