Hello Terry,
new_hue # your 'basic color',
just the hue part rgb_base # color from the basic button
image rgb_new # the new color you want to replace rgb_base
with rgb_new = hsv_to_rgb( (new_hue,) +
rgb_to_hsv(rgb_base)[1:])
thanks a lot for your
suggestion! However, either I did not
On Thursday 13 October 2005 02:58 pm, Andrea Gavana wrote:
# that is the old colour -- GREY
rgb_old = (0.7, 0.7, 0.7)
So, no matter what colour I choose as a new colour, the
Hue part of the new colour doesn't change in RGB. In other
words, leaving the old value for Saturation and Value
Andrea Gavana wrote:
I have tried your solution, Terry:
new_hue # your 'basic color', just the hue part
rgb_base # color from the basic button image
rgb_new # the new color you want to replace rgb_base with
rgb_new = hsv_to_rgb( (new_hue,) + rgb_to_hsv(rgb_base)[1:])
thanks a
Confusion about applying hue to a grey value
Try this:
import colorsys as cs
grey = (.7, .7, .7)
blue = (0., 0., 1.)
hsv_grey = cs.rgb_to_hsv(*grey)
hsv_blue = cs.rgb_to_hsv(*blue)
hsv_grey
(0.0, 0.0, 0.69996)
hsv_blue
(0.3, 1.0, 1.0)
The problem is that
I have tried your solution, Terry:
new_hue # your 'basic color', just the hue part
rgb_base # color from the basic button image
rgb_new # the new color you want to replace rgb_base with
rgb_new = hsv_to_rgb( (new_hue,) + rgb_to_hsv(rgb_base)[1:])
thanks a lot for your suggestion!
Hello NG,
First of all, sorry if this is not the right
newsgroup.
I have a small image that looks like a GUI button
(with 3D effects given by different pixels colours). The current image has as
"basic" colour the grey. For "basic", I mean that the predominant colour in the
image is grey
On Wednesday 12 October 2005 05:28 pm, Andrea Gavana wrote:
Now my question: is it possible to transform the pixels
colours in order to have another basic colour (say blue)?
In other words, the predominant colour will become the
blue, with other pixels in a brighter or darker blue to
give the
If you're always going from grey to tinted, then the easiest way is to
treat it as a 'P' image with a special palette.
I believe this function will prepare the palette:
def make_palette(tr, tg, tb):
l = []
for i in range(255):
l.extend([tr*i / 255,
