diff options
Diffstat (limited to 'pysamples/set_rgb.py')
| -rw-r--r-- | pysamples/set_rgb.py | 61 |
1 files changed, 15 insertions, 46 deletions
diff --git a/pysamples/set_rgb.py b/pysamples/set_rgb.py index f524ec6..d4baa48 100644 --- a/pysamples/set_rgb.py +++ b/pysamples/set_rgb.py @@ -1,50 +1,19 @@ -#Copyright (c) 2009-10, Walter Bender +#Copyright (c) 2009-11, Walter Bender -#Permission is hereby granted, free of charge, to any person obtaining a copy -#of this software and associated documentation files (the "Software"), to deal -#in the Software without restriction, including without limitation the rights -#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -#copies of the Software, and to permit persons to whom the Software is -#furnished to do so, subject to the following conditions: +# This procedure is invoked when the user-definable block on the +# "extras" palette is selected and expanded to 3 arguments. -#The above copyright notice and this permission notice shall be included in -#all copies or substantial portions of the Software. +# Usage: Import this code into a Python (user-definable) block. +# First, expand the Python block to reveal three numerics arguments. +# Set these values to the desired red, green, and blue. When the code +# is run, the red, green, and blue values are used to set the pen +# color. -#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -#THE SOFTWARE. -# -# This procedure is invoked when the user-definable block on the "extras" -# palette is selected and expanded to 3 arguments. - -def myblock(lc, x): - - ########################################################################### - # - # Set rgb color from values - # - ########################################################################### - - # assuming x is an array [r, g, b] - b = int(x[2]) - while b < 0: - b += 256 - while b > 255: - b -= 256 - g = int(x[1]) - while g < 0: - g += 256 - while g > 255: - g -= 256 - r = int(x[0]) - while r < 0: - r += 256 - while r > 255: - r -= 256 - rgb = "#%02x%02x%02x" % (r,g,b) - lc.tw.canvas.fgcolor = lc.tw.canvas.cm.alloc_color(rgb) +def myblock(tw, rgb_array): + ''' Set rgb color from values ''' + + rgb = "#%02x%02x%02x" % ((int(rgb_array[0]) % 256), + (int(rgb_array[1]) % 256), + (int(rgb_array[2]) % 256)) + tw.canvas.fgcolor = tw.canvas.cm.alloc_color(rgb) |