RE: [flexcoders] Column Chart coloring

Jonathan Miranda Thu, 16 Feb 2006 12:16:05 -0800

Anyone else got an idea how to pull this off? I have 1 ColumnSeries in a chat and I need it to cycle through colors. I’ve tried doing this custom renderer with no luck, I’ve tried splitting it into multiple series (can’t with their data structure – and they want the axis labels), I’ve tried directly setting one hitData’s color (no luck), I’ve tried setting it in actionscript (nothing with “fills” works, only “fill”).

Just could really use some help, I’m completely stuck on this :-/

_________________________________________

Jonathan Miranda

Flexible Master of the Web

"In the game of chess, it's important to never let your opponent see your pieces."

From: [email protected] [mailto:[email protected]] On Behalf Of Jonathan Miranda
Sent: Thursday, February 16, 2006 11:54 AM
To: [email protected]
Subject: RE: [flexcoders] Column Chart coloring

Sooooo close, I got it all to compile but the following. I can’t figure out how to do these functions on “target” because it’s a IFlexDisplayObject, and all those functions are from the graphics class and take an “Object”. How can I use these functions on the “target” if it’s not an Object? Extend it somehow or create an object?

public function draw(target:IFlexDisplayObject, rc:Rectangle):void {

target.beginFill( fills[count] );

target.moveTo(rc.left,rc.top);

target.lineTo(rc.right,rc.top);

target.lineTo(rc.right,rc.bottom);

target.lineTo(rc.left,rc.bottom);

target.lineTo(rc.left,rc.top);

target.endFill();

count++;

}

_________________________________________

Jonathan Miranda

Flexible Master of the Web

"In the game of chess, it's important to never let your opponent see your pieces."

From: [email protected] [mailto:[email protected]] On Behalf Of Ely Greenfield
Sent: Thursday, February 16, 2006 11:27 AM
To: [email protected]
Subject: RE: [flexcoders] Column Chart coloring

I'll leave making it compile as an exercise for the reader, but something like:

class CycleRenderer implements BoxRenderer
{
private var fills = [0xFF0000,0x00FF00,0x0000FF];

private var count:Number;

function CycleRenderer()
{
}

function beginDraw(target: UIObject, fill:Fill, stroke: Stroke, sampleCount : Number)
{

count = 0;
}

function draw(target:UIObject, rc : Rect)
{
target.beginFill( fills[count] );

  target.moveTo(rc.left,rc.top);
  target.lineTo(rc.right,rc.top);
  target.lineTo(rc.right,rc.bottom);
  target.lineTo(rc.left,rc.bottom);
  target.lineTo(rc.left,rc.top);

target.endFill();

count++;
}

function endDraw(target:UIObject)
{
}

function drawPreview(target:UIObject, rc: Rect, fill : Fill, stroke : Stroke)
{

count = 0;
draw(target, rc);
}
}

Ely.

From: [email protected] [mailto:[email protected]] On Behalf Of Jonathan Miranda
Sent: Thursday, February 16, 2006 10:19 AM
To: [email protected]
Subject: RE: [flexcoders] Column Chart coloring

Hmm, after messing around with this I can’t get it to cycle any type of array because it seems to only accept one color…and I can’t figure out how the renderer can reference which item it’s actually on. Best I’ve got so far is just changing one color. Fill (heh, bad joke) up to mocking an example?

_________________________________________

Jonathan Miranda

Flexible Master of the Web

"In the game of chess, it's important to never let your opponent see your pieces."

From: [email protected] [mailto:[email protected]] On Behalf Of Ely Greenfield
Sent: Thursday, February 16, 2006 10:44 AM
To: [email protected]
Subject: RE: [flexcoders] Column Chart coloring

You could write a custom renderer for the chart that ignores the colors passed in and just cycles through a pre-defined array of colors.

Ely.

From: [email protected] [mailto:[email protected]] On Behalf Of Jonathan Miranda
Sent: Thursday, February 16, 2006 9:30 AM
To: [email protected]
Subject: [flexcoders] Column Chart coloring

Also, something else I’m having trouble finding documentation on….

I need to step through colors – let’s say red,white,blue. It’s one ColumnSeries – is there a way I can cycle through colors for each column?

_________________________________________

Jonathan Miranda

Flexible Master of the Web

"In the game of chess, it's important to never let your opponent see your pieces."

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RE: [flexcoders] Column Chart coloring

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