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Purpose:
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Defines the red, green, and blue colors for the display.
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Derivation:
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rgb_color : -
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Filename:
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rbase/rnd_husk/rgbcolor.hxx
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Description:
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This class defines the red, green, and blue colors for the display.
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References:
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by RBASE
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ATTRIB_RGB
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Constructor:
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public: rgb_color::rgb_color
();
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C++ allocation constructor requests memory for this object but does not populate it.
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public: rgb_color::rgb_color
(
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double p[ 3 ]
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// array of 3 doubles
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);
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C++ initialize constructor requests memory for this object and populates it with the data supplied as arguments. Creates a
rgb_color using the specified array of three doubles.
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public: rgb_color::rgb_color
(
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double r,
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// red color value
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double g,
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// green color value
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double b
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// blue color value
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);
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C++ initialize constructor requests memory for this object and populates it with the data supplied as arguments. Creates a
rgb_color using the specified three doubles.
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public: rgb_color::rgb_color
(
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int index
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// integer color value
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);
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C++ initialize constructor requests memory for this object and populates it with the data supplied as arguments.
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Methods:
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public: double rgb_color::blue
() const;.
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Returns the blue color value
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public: double rgb_color::green
() const;
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Returns the green color value.
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public: operator rgb_color::int
();
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Extracts a color value.
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public: RGBColor* rgb_color::mac_color
(
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RGBColor* mac_rgb
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// mac color
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);
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When running in the Macintosh Environment, then this defines an additional method for converting to an RGBColor record.
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public: int rgb_color::operator!=
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const rgb_color& c
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// rgb color value
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) const;
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Determines whether the color is not equal to another color.
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public: int rgb_color::operator==
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const rgb_color& c
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// rgb color value
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) const;
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Determines whether a color is equal to another color.
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public: double rgb_color::red
() const;
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Returns the red color value.
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public: void rgb_color::set_blue
(
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double b
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// blue component
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);
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Sets the blue component.
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public: void rgb_color::set_green
(
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double g
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// green component
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);
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Sets the green component.
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public: void rgb_color::set_mac_color
(
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RGBColor mac_rgb
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// color for mac
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);
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When running in the Macintosh Environment, then this defines an additional method for converting to an RGBColor record.
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public: void rgb_color::set_red
(
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double r
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// red component
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);
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Sets the red component.
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public: void rgb_color::set_windows_color
(
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unsigned long from
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// Windows GDI color
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);
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For NT platforms only. Set the color values from a Windows
COLORREF.
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public: unsigned long
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rgb_color::windows_color () const;
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For NT platforms only. Convert to a Windows
COLORREF.
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