Member Function Documentation
QColor4ub::QColor4ub()
Constructs a four-byte default color value of (0, 0, 0, 255).
QColor4ub::QColor4ub(int red, int green, int blue, int alpha = 255)
Constructs a four-byte color value with the components red, green, blue, and alpha.
QColor4ub::QColor4ub(const QColor & color)
Constructs a four-byte color value from color.
QColor4ub::QColor4ub(Qt::GlobalColor color)
Constructs a four-byte color value from color.
QColor4ub::QColor4ub(QRgb rgba)
Constructs a four-byte color value from the red, green, blue, and alpha components of rgba.
int QColor4ub::alpha() const
Returns the alpha component of this color, between 0 and 255.
See also red(), green(), blue(), setAlpha(), and alphaF().
qreal QColor4ub::alphaF() const
Returns the alpha component of this color as a floating-point value between 0 and 1.
See also redF(), greenF(), blueF(), setAlphaF(), and alpha().
int QColor4ub::blue() const
Returns the blue component of this color, between 0 and 255.
See also red(), green(), alpha(), setBlue(), and blueF().
qreal QColor4ub::blueF() const
Returns the blue component of this color as a floating-point value between 0 and 1.
See also redF(), greenF(), alphaF(), setBlueF(), and blue().
QColor4ub QColor4ub::fromRaw(const uchar * data) [static]
Returns a QColor4ub with components from the first four elements in data. The data parameter must contain at least four elements and not be null.
QColor4ub QColor4ub::fromRgb(int red, int green, int blue, int alpha = 255) [static]
Returns a QColor4ub with the components red, green, blue, and alpha. Each component is between 0 and 255.
See also fromRgbF() and setRgb().
QColor4ub QColor4ub::fromRgbF(qreal red, qreal green, qreal blue, qreal alpha = 1.0f) [static]
Returns a QColor4ub with the components red, green, blue, and alpha. Each component is a floating-point value between 0 and 1.
See also fromRgb() and setRgbF().
int QColor4ub::green() const
Returns the green component of this color, between 0 and 255.
See also red(), blue(), alpha(), setGreen(), and greenF().
qreal QColor4ub::greenF() const
Returns the green component of this color as a floating-point value between 0 and 1.
See also redF(), blueF(), alphaF(), setGreenF(), and green().
int QColor4ub::red() const
Returns the red component of this color, between 0 and 255.
See also green(), blue(), alpha(), setRed(), and redF().
qreal QColor4ub::redF() const
Returns the red component of this color as a floating-point value between 0 and 1.
See also greenF(), blueF(), alphaF(), setRedF(), and red().
void QColor4ub::setAlpha(int value)
Sets the alpha component of this color to value, between 0 and 255.
See also setRed(), setGreen(), setBlue(), alpha(), and setAlphaF().
void QColor4ub::setAlphaF(qreal value)
Sets the alpha component of this color to a floating-point value, between 0 and 1.
See also setRedF(), setGreenF(), setBlueF(), alphaF(), and setAlpha().
void QColor4ub::setBlue(int value)
Sets the blue component of this color to value, between 0 and 255.
See also setRed(), setGreen(), setAlpha(), blue(), and setBlueF().
void QColor4ub::setBlueF(qreal value)
Sets the blue component of this color to a floating-point value, between 0 and 1.
See also setRedF(), setGreenF(), setAlphaF(), blueF(), and setBlue().
void QColor4ub::setGreen(int value)
Sets the green component of this color to value, between 0 and 255.
See also setRed(), setBlue(), setAlpha(), green(), and setGreenF().
void QColor4ub::setGreenF(qreal value)
Sets the green component of this color to a floating-point value, between 0 and 1.
See also setRedF(), setBlueF(), setAlphaF(), greenF(), and setGreen().
void QColor4ub::setRed(int value)
Sets the red component of this color to value, between 0 and 255.
See also setGreen(), setBlue(), setAlpha(), red(), and setRedF().
void QColor4ub::setRedF(qreal value)
Sets the red component of this color to a floating-point value, between 0 and 1.
See also setGreenF(), setBlueF(), setAlphaF(), redF(), and setRed().
void QColor4ub::setRgb(int red, int green, int blue, int alpha = 255)
Sets the components of this color to red, green, blue, and alpha. Each component is between 0 and 255.
See also setRgbF() and fromRgb().
void QColor4ub::setRgbF(qreal red, qreal green, qreal blue, qreal alpha = 1.0f)
Sets the components of this color to red, green, blue, and alpha. Each component is a floating-point value between 0 and 1.
See also setRgb() and fromRgbF().
QColor QColor4ub::toColor() const
Returns this color as a QColor.
bool QColor4ub::operator!=(const QColor4ub & other) const
Returns true if this color is not the same as other; false otherwise.
QColor4ub & QColor4ub::operator=(const QColor & color)
Copies the red, green, blue, and alpha components of color into this object.
QColor4ub & QColor4ub::operator=(Qt::GlobalColor color)
Copies the red, green, blue, and alpha components of the specified global color name into this object.
bool QColor4ub::operator==(const QColor4ub & other) const
Returns true if this color is the same as other; false otherwise.
