On Thu, 2008-10-16 at 19:04 +0200, Dirk Meyer wrote:
> But one question: how can a get the image data from a
> texture? I know that set_pixbuf is gone and I do not need it, but I need
> get_pixbuf. Is there a small piece of coding providing me that data
> somehow?
The replacement way to do this using the C API is to get a handle to the
cogl texture using clutter_texture_get_cogl_texture, get the data using
cogl_texture_get_data and then create a pixbuf using that. However it
looks like pyclutter doesn't bind the cogl_texture_* functions as far as
I can see. You could try this replacement snippet which uses ctypes in
the mean time:
import gtk
from ctypes import cdll
def get_texture_pixbuf (tex):
lib = cdll.LoadLibrary(None)
cogl_tex = hash(tex.get_property("cogl_texture"))
width = lib.cogl_texture_get_width(cogl_tex)
height = lib.cogl_texture_get_height(cogl_tex)
data = ctypes.create_string_buffer('\000' * width * height * 4)
lib.cogl_texture_get_data(cogl_tex,
19,
width * 4,
data)
return gtk.gdk.pixbuf_new_from_data(data, gtk.gdk.COLORSPACE_RGB,
True, 8, width, height, width * 4)
- Neil
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