IC Python API:RLPy RRgb

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Last modified: 02/26/2020

Description

Primary color class that stores data for red (R), green (G), and blue (B). The value stored in RRgb ranges from 0 to 1, which represents 0 to 255 in color value. You can swtich between these two representations in different ways; For example, the range of values retrieved by RRgb.R() is 0 to 1, and the range of values retrieved by RRgb.Red() is 0 to 255. In addition, preset colors are provided for direct usage:

Constant Value
RLPy.RRgb.BLACK RLPy.RRgb(0, 0, 0)
RLPy.RRgb.WHITE RLPy.RRgb(1, 1, 1)
RLPy.RRgb.RED RLPy.RRgb(1, 0, 0)
RLPy.RRgb.GREEN RLPy.RRgb(0, 1, 0)
RLPy.RRgb.BLUE RLPy.RRgb(0, 0, 1)
RLPy.RRgb.YELLOW RLPy.RRgb(1, 1, 0)
RLPy.RRgb.CYAN RLPy.RRgb(0, 1, 1)
RLPy.RRgb.MAGENTA RLPy.RRgb(1, 0, 1)

RRgb does not include alpha data. Use RLPy.RColor() instead if alpha channel is needed. This class also provides conversions to other color formats: 

# create color
color_red1 = RLPy.RRgb(1, 0, 0)
color_red2 = RLPy.RRgb()
color_red2.From(255, 0, 0)
color_red3 = RLPy.RRgb.RED
 
# print color
print( color_red1.R() )         # 1
print( color_red1.Red() )       # 255
 
# convert different format
print(hex(color1.ToXRGB()))     # 0xff0000
print(hex(color1.ToCOLORREF())) # 0xff

See Also: RLPy.RColor()

Member Functions

B ( self, args )

Get the blue value of this color (0 to 1).

See Also: RLPy.RRgb.Blue()

Returns

Value for the blue channel (0 to 1) - float
color1 = RLPy.RRgb(0, 0, 1)
print(color1.B())               # 1

Blue ( self )

Get the blue value of this color (0 to 255).

See Also: RLPy.RRgb.B()

Returns

Value for the blue channel (0-255) - int
color1 = RLPy.RRgb(0, 0, 1)
print(color1.Blue())            # 255

From ( self, r, g, b )

Change this color using 32 bit format (0 to 255).

Parameters

r [IN] Red value (0-255) - int
g [IN] Green value (0-255) - int
b [IN] Blue value (0-255) - int

Returns

Newly set RRgb - RLPy.RRgb
color1 = RLPy.RRgb()
color1.From(255, 0, 0)

FromCOLORREF ( self, arg2 )

Change this color using COLORREF format (0xbbggrr).

See Also: RLPy.RRgb.ToCOLORREF()

Parameters

arg2 [IN] COLORREF data

Returns

Newly set RRgb - RLPy.RRgb
color_red2 = RLPy.RRgb()
color_red2.FromCOLORREF(int(‘ff0000’, 16))

FromXRGB ( self, arg2 )

Assign this color using hexadecimal format (0xrrggbb).

See Also: RLPy.RRgb.ToXRGB()

Parameters

arg2 [IN] RGB hexadecimal value - HEX

Returns

Newly set RRgb - RLPy.RRgb
color_red2 = RLPy.RRgb()
color_red2.FromXRGB(int(‘0000ff’, 16))

G ( self, args )

Get the green value of this color (0-1).

See Also: RLPy.RRgb.Green()

Returns

Green value of this color - float (0-1)
color1 = RLPy.RRgb(0, 1, 0)
print(color1.G())               # 1

Green ( self )

Get the green value of this color (0-255).

See Also: RLPy.RRgb.G()

Returns

Green value of this color (0-255) - int
color1 = RLPy.RRgb(0, 1, 0)
print(color1.Green())           # 255

Normalize ( self )

Normalize RGB values so that their sum equals 1.

Returns

Normalized RRgb - RLPy.RRgb
color1 = RLPy.RRgb(1, 1, 0)
color1.Normalize()              # (0.5, 0.5, 0)

R ( self, args )

Get the red value of this color (0-1).

See Also: RLPy.RRgb.Red()

Returns

Red value of this color (0-1) - float
color1 = RLPy.RRgb(1, 0, 0)
print(color1.R())               # 1

Red ( self )

Get the red value of this color (0-255).

See Also: RLPy.RRgb.R()

Returns

Red value of this color (0-255) - int
color1 = RLPy.RRgb(1, 0, 0)
print(color1.Red())            # 255

Saturate ( self )

Clamp the RGB values to a range of 0 and 1. Values under 0 will become 0, and values over 1 will become 1.

Returns

This color saturated (RRgb) - RLPy.RRgb
color1 = RLPy.RRgb(1.2, -0.3, 0.5)
color1.Saturate()              # (1, 0, 0.5)

ToCOLORREF ( self )

Output COLORREF data from this color (0xbbggrr).

See Also: RLPy.RRgb.FromCOLORREF()

Returns

COLORREF data - int
color1 = RLPy.RRgb(0, 0, 1)
print(int(color1.ToCOLORREF()))          # 0xff0000

ToVector3f ( self )

Output 3D vector data from this color (RVector3f)

Returns

3D vector color data - RLPy.RVector3f
color1 = RLPy.RRgb(0, 0, 1)
print(color1.ToVector3f())

ToXRGB ( self )

Output hexadecimal data from this color (0xrrggbb)

See Also: RLPy.RRgb.FromXRGB()

Returns

Hexadecimal color data - int
color1 = RLPy.RRgb(0, 0, 1)
print(int(color1.ToXRGB()))              # 0xff
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