[Gzz-commits] gzz/gfx/libcolor spaces.py

[Janne V. Kujala]

CVSROOT:        /cvsroot/gzz
Module name:    gzz
Changes by:     Janne V. Kujala <address@hidden>        02/10/15 07:35:53

Modified files:
        gfx/libcolor   : spaces.py 

Log message:
        cleanup

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/gzz/gfx/libcolor/spaces.py.diff?tr1=1.11&tr2=1.12&r1=text&r2=text

Patches:
Index: gzz/gfx/libcolor/spaces.py
diff -c gzz/gfx/libcolor/spaces.py:1.11 gzz/gfx/libcolor/spaces.py:1.12
*** gzz/gfx/libcolor/spaces.py:1.11     Tue Oct 15 04:28:36 2002
--- gzz/gfx/libcolor/spaces.py  Tue Oct 15 07:35:53 2002
***************
*** 117,131 ****
  
  
  # The YST color space below is a linear color space with 
! # a lightness component and a color plane vector whose angle and
  # radius specify the hue and saturation, respectively.
  # Opposite colors are 180 degrees apart.
  #
! # The Y component is the CIE Y lightness (but the weights can be changed) and
  # the ST-plane has the RGB primaries 120 (R = 0, G = 120, B = 240) degrees 
apart
  # at radius 1.
  #    
! # Lightness weights of the RGB primaries used in YST color space functions
  Wr = 0.212671 
  Wg = 0.715160
  Wb = 0.072169
--- 117,131 ----
  
  
  # The YST color space below is a linear color space with 
! # a luminance component and a color plane vector whose angle and
  # radius specify the hue and saturation, respectively.
  # Opposite colors are 180 degrees apart.
  #
! # The Y component is the CIE Y luminance (but the weights can be changed) and
  # the ST-plane has the RGB primaries 120 (R = 0, G = 120, B = 240) degrees 
apart
  # at radius 1.
  #    
! # Luminance weights of the RGB primaries used in YST color space functions
  Wr = 0.212671 
  Wg = 0.715160
  Wb = 0.072169
***************
*** 186,193 ****
  def YtoL(Y):
      """
      Convert linear luminance into perceptual lightness (CIE L*)
!     Y: lightness between 0 and 1
!     returns: luminance between 0 and 100
      """
      if Y <= (216./24389):
          return Y * (24389./27)
--- 186,193 ----
  def YtoL(Y):
      """
      Convert linear luminance into perceptual lightness (CIE L*)
!     Y: luminance between 0 and 1
!     returns: lightness between 0 and 100
      """
      if Y <= (216./24389):
          return Y * (24389./27)
***************
*** 197,204 ****
  def LtoY(L):
      """
      Convert perceptual lightness (CIE L*) into linear luminance
!     L: luminance between 0 and 100
!     returns: lightness between 0 and 1
      """
      if L <= 8:
          return L * (27./24389)
--- 197,204 ----
  def LtoY(L):
      """
      Convert perceptual lightness (CIE L*) into linear luminance
!     L: lightness between 0 and 100
!     returns: luminance between 0 and 1
      """
      if L <= 8:
          return L * (27./24389)