def apply(self, r, g, b):
rx = r * self.matrix[0][0] + g * self.matrix[0][1] + b * self.matrix[
0][2]
gx = r * self.matrix[1][0] + g * self.matrix[1][1] + b * self.matrix[
1][2]
bx = r * self.matrix[2][0] + g * self.matrix[2][1] + b * self.matrix[
2][2]
return zoomath.clamp(rx, 0, 255), zoomath.clamp(gx, 0,
255), zoomath.clamp(
bx, 0, 255)
def offsetColor(col, offset=0):
"""Returns a color with the offset in tuple form.
:param col: Color in form of tuple with 3 ints. eg tuple(255,255,255)
:type col: tuple(int,int,int)
:param offset: The int to offset the color
:return: tuple (int,int,int)
"""
return tuple([zoomath.clamp((c + offset), 0, 255) for c in col])
def hslColourOffsetFloat(rgb,
hueOffset=0,
saturationOffset=0,
lightnessOffset=0):
"""Offset color with hue, saturation and lightness (brighten/darken) values
Colour is expected as rgb in 0.0-1.0 float range eg (0.1, 0.34, 1.0)
Offsets are in...
hue: 0-360,
saturation: 0.0-1.0,
value (lightness): 0.0-1.0
Returned colour is rgb in in 0-1.0 range eg (0.1, 0.34, 1.0)
:param rgb: the rgb color in 0.0-0.1 range eg (0.1, 0.34, 1.0)
:type rgb: tuple
:param hueOffset: the hue offset in 0-360 range
:type hueOffset: float
:param saturationOffset: the saturation offset in 0-255 range
:type saturationOffset: float
:param lightnessOffset: the lightness value offset, lighten (0.2) or darken (-0.3), 0-0.1 range as an offset
:type lightnessOffset: float
:return rgb: the changed rgb color in 0.0-0.1 range eg (0.1, 0.34, 1.0)
:rtype: rgb: tuple
"""
if hueOffset:
hsv = convertRgbToHsv(list(rgb))
newHue = hsv[0] + hueOffset
if newHue > 360.0:
newHue -= 360.0
elif newHue < 360.0:
newHue += 360.0
hsv = (newHue, hsv[1], hsv[2])
rgb = convertHsvToRgb(list(hsv))
if saturationOffset:
hsv = convertRgbToHsv(rgb)
saturationOffset = saturationOffset
hsv = (hsv[0], zoomath.clamp(hsv[1] + saturationOffset), hsv[2])
rgb = convertHsvToRgb(list(hsv))
if lightnessOffset:
rgb = (zoomath.clamp(rgb[0] + lightnessOffset),
zoomath.clamp(rgb[1] + lightnessOffset),
zoomath.clamp(rgb[2] + lightnessOffset))
return rgb