Meter Macros

Name 

Description 

MtrGetVal 

This macro returns the current value of the meter. Value is always in the minValue-maxValue range inclusive. 

MtrDecVal 

This macro is used to directly decrement the value. 

MtrIncVal 

This macro is used to directly increment the value. 

MtrSetScaleColors 

Scale colors can be used to highlight values of the meter. User can set these colors to define the arc colors and scale colors. This also sets the color of the meter value when displayed. Limitation is that color settings are set to the following angles: Color Boundaries Type Whole Type Half Type Quarter Arc 6 225 to 180 not used not used Arc 5 179 to 135 179 to 135 not used Arc 4 134 to 90 134 to 90 not used Arc 3 89 to 45 89 to 45 89 to 45 Arc 2 44 to 0 44... more 

MtrSetTitleFont 

This function sets the font of title. 

MtrSetValueFont 

This function sets the font of value. 

METER_TYPE 

This is a compile time setting to select the type if meter shape. There are three types:

• MTR_WHOLE_TYPE - Meter drawn with 6 octants used.
• MTR_HALF_TYPE - Meter drawn with semi circle shape.
• MTR_QUARTER_TYPE - Meter drawn with quarter circle shape.

Set only one value at a time. This is done to save code space. User can define the colors of the arcs for each type. MTR_WHOLE_TYPE will use all the arc colors (arcColor1 - arcColor6) MTR_HALF_TYPE will use arc colors (arcColor5, arcColor4, arcColor3, arcColor2) MTR_QUARTER_TYPE will use arc colors (arcColor3, arcColor2) Set the meter type in Meter.h file and... more 

MTR_ACCURACY 

Sets the meter accuracy to one decimal places when displaying the values. Application must multiply the minValue, maxValue and values passed to the widget by RESOLUTION.