CLASS DigitalLED74
(Defined in: jpgraph_led.php : 24) Class usage and Overview
Class Methods
function DigitalLED74($aRadius,$aMargin)
Constructor for 4x7 module LED digits
| Argument | Default | Description |
|---|
|
$aRadius
| | Radius in pixel for each "led" |
|
$aMargin
| | Margin around the "led" |
Description
Instantiate a LED digit class that is used to genereta text which looks like LED digits
Returns
An instance of the LED class
See also
DigitalLED74::SetSupersampling and DigitalLED74::StrokeNumber
$led = new DigitalLED74();
$led->StrokeNumber('0123456789. ABCDEFGHIJKL',LEDC_GREEN);
function SetSupersampling($aSuperSampling)
Set level of supersampling used in the creation led digits
| Argument | Default | Description |
|---|
|
$aSuperSampling
| | Level of supersampling |
Description
Specifies the amount of oversampling that sould be used to create a smoother looking image. A higher value will generate a smoother image.
The value used for supersampling should be an integer in the range 2-4. A higher value could be used but the increase in CPU time will not generate any perceivable improvements in image quality.
For each integer step increased supersampling the processor time needed is multipled by 2
Returns
void
$led = new DigitalLED74(5);
$led->SetSupersampling(4);
$led->StrokeNumber('ABC123.',LEDC_RED);
function StrokeNumber($aValStr,$aColor)
// Margin in between "Led" dots
| Argument | Default | Description |
|---|
|
$aValStr
| | No description available |
|
$aColor
|
0
| No description available |
Description
No description available.