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Man Pages


Manual Reference Pages  -  XCOLOREDIT (1)

NAME

xcoloredit - find colour values by graphical colour mixing

CONTENTS

Synopsis
Description
Options
Selection Atoms
Author

SYNOPSIS

xcoloredit [ standard X Toolkit arguments ] [ -silent ] [ -format "format string" ] [ -text "example text" ][ {0-255} .. ]

DESCRIPTION

xcoloredit provides a graphical method of mixing the three primary colors available on a colour workstation. This mixing can be done using the Red, Green and Blue slider controls on the left of the window or using the Hue, Saturation and Value slider controls on the right.

The three boxes above the Red, Green and Blue slider controls are used for linking the controls together via the fourth slider to the right of the blue slider. Whilst in the slider controls the first mouse button increments the colour components value, the third mouse button decrements the value (this only works with the Red, Green, Blue and Linked sliders). The middle mouse button allows the user to continually change the value.

The results of the colour mixing is shown in the four central squares. The three smaller squares showing the intensities of the red, green and blue components. The hexidecimal value below these squares is the corresponding colour value which can be used in defaults files. This value is also placed in the PRIMARY_COLOR selection property. If the user presses the colour value button the button is highlighted and the colour value is placed in PRIMARY_SELECTION as well (useful for pasting into defaults files).

At the bottom of the main window are 36 colour cells. The current colour cell is highlighted by box drawn around it. By clicking with the first mouse button in another cell this new cell’s current value can be edited (if the cell has no defined value the current cells value is copied to it and the cell is highlighted with a dashed box). These colour cells can be connected to cells in the default colourmap of the display. To do this the user must give the colourmap entry number(s) (pixel number) as a command line argument(s).

The text shown in the mixed colour window can be displayed in one of the 36 colour cell colours. Typing "c" or "t" in this window changes the colour of the text to that of the currently selected colour cell. This can be used to see what text will look like with different foreground and background colours. The example text can be modified using the -text command line option.

OPTIONS

Apart from standard X Toolkit options, the following are available:
-silent Do not print out the edited colour values when xcoloredit quits.
-text This sets the example text to display in the mixed colour window. Newlines are allowed in this string.
-format This string is the format used to display the RGB value of the colour. This format is used by the printf(2) function call. By default the format is set to "#%02x%02x%02x" which is the standard RGB format for X.

SELECTION ATOMS

The following selection atoms are used/defined:
PRIMARY_COLOR - current colour selection value
PRIMARY_SELECTION - current colour selection value when highlighted.

AUTHOR

Richard Hesketh, University of Kent at Canterbury, March 1989
rlh2@ukc.ac.uk
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--> XCOLOREDIT (l) 18 March 1989

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