diff options
Diffstat (limited to 'Area.py')
| -rw-r--r-- | Area.py | 22 |
1 files changed, 16 insertions, 6 deletions
@@ -681,14 +681,24 @@ class Area(gtk.DrawingArea): self.window.set_cursor(cursor) def pick_color(self, x, y): - gdk_image = self.pixmap.get_image(x, y, 1, 1) - pixel = gdk_image.get_pixel(0, 0) - cmap = gdk_image.get_colormap() - gdk_color = cmap.query_color(pixel) + # create a new 1x1 cairo surface + cairo_surface = cairo.ImageSurface(cairo.FORMAT_RGB24, 1, 1) + cairo_context = cairo.Context(cairo_surface) + # translate xlib_surface so that target pixel is at 0, 0 + cairo_context.set_source_surface(self.drawing_canvas, -x, -y) + cairo_context.rectangle(0, 0, 1, 1) + cairo_context.set_operator(cairo.OPERATOR_SOURCE) + cairo_context.fill() + cairo_surface.flush() + # Read the pixel + pixels = cairo_surface.get_data() + red = ord(pixels[2]) * 256 + green = ord(pixels[1]) * 256 + blue = ord(pixels[0]) * 256 + + stroke_color = gtk.gdk.Color(red, green, blue) # set in the area - pixmap_cmap = self.pixmap.get_colormap() - stroke_color = pixmap_cmap.alloc_color(gdk_color) self.tool['stroke color'] = stroke_color self.set_stroke_color(self.tool['stroke color']) |