EZ_SetupRuler man page on DragonFly

EZ_SetupRuler man page on DragonFly

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EZ_SetupRuler(3)		EZWGL Functions		      EZ_SetupRuler(3)

NAME
       EZ_SetupRuler- setup a ruler widget

SYNOPSIS
       #include <EZ.h>

       void EZ_SetupRuler( EZ_Widget *ruler, int tickUnit.
			   int tickLen, int nscale, int offset);
       void EZ_SetRulerOffset( EZ_Widget *ruler, int offset);

ARGUMENTS
       ruler  Specifies a ruler widget.

       offset  specifies an offset of the ruler origin. That is, the origin of
       the ruler window will be treated as -offset units.

       tickUnit, tickLen, nscle specifies a set of control parameters.	tickU‐
       nit is distance between tick marks. If tickUnit is zero, it will be set
       approximately the equivalent of 1mm in pixels.  If  tickUnit  is	 nega‐
       tive,  it  will	be set to the equivalent of 1/8 inch in pixels. Other‐
       wise, it is treated as the number of pixels.  tickLength	 is the length
       of  the	longest tick marks and nScale represents the value corresponds
       to 10 tick units.

       x,y specifies the pointer coordinates relative to the source window.

DESCRIPTION
       These functions	set a mark on a ruler widget. A ruler widget  has  two
       static marks.

SEE ALSO
       EZ_WidgetNotifyRuler(3), EZ_GetRulerMarks(3)

EZWGL							      EZ_SetupRuler(3)

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