Reference > Methods
clrGetAlpha(color)
Definition
Integer clrGetAlpha(String color)
Description
Returns an Integer between 0-255 the alpha component of the supplied color. Returns null if supplied color is null or invalid format. Returns 255 if there is no alpha component.
Parameter Definition
| Name |
Type |
Description |
| color |
String |
Color to inspect in rrggbb format |
Examples
| Integer r1 = clrGetAlpha("#AABBCC"); // r1 == 255
Integer r2 = clrGetAlpha("#AABBCCDD"); // r2 == 221
Integer r3 = clrGetAlpha("#AABBCCFF"); // r3 == 255
Integer r4 = clrGetAlpha("#AABBCC00"); // r4 == 0
Integer r5 = clrGetAlpha("#ABC"); // r5 == 255
Integer r6 = clrGetAlpha("#ABCD"); // r6 == 221
Object r7 = clrGetAlpha("invalid"); // r7 == null
Object r8 = clrGetAlpha(null); // r8 == null
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