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Made rectangle parameter optional & automatically calculate width/height. #1

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Made rectangle parameter optional & automatically calculate width/height. #1

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5b4960d
Made rectangle parameter optional.
xLite Jan 20, 2013
8fbee7f
Dynamically calculates minimum width and height.
xLite Jan 24, 2013
719ca40
Positioned code in a more suitable location.
xLite Jan 24, 2013
8bd7ba4
Positioned code in a more suitable location.
xLite Jan 24, 2013
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27 changes: 25 additions & 2 deletions src/org/villekoskela/utils/RectanglePacker.as
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Original file line number Diff line number Diff line change
Expand Up @@ -54,14 +54,16 @@ package org.villekoskela.utils
private var mSortableSizeStack:Vector.<SortableSize> = new Vector.<SortableSize>();
private var mRectangleStack:Vector.<IntegerRectangle> = new Vector.<IntegerRectangle>();

public function get height():int { return mHeight; }
public function get rectangleCount():int { return mInsertedRectangles.length; }
public function get width():int { return mWidth; }

/**
* Constructs new rectangle packer
* @param width the width of the main rectangle
* @param height the height of the main rectangle
*/
public function RectanglePacker(width:int, height:int)
public function RectanglePacker(width:int = 2048, height:int = 2048)
{
mOutsideRectangle = new IntegerRectangle(width + 1, height + 1, 0, 0);
reset(width, height);
Expand Down Expand Up @@ -100,7 +102,7 @@ package org.villekoskela.utils
* @param rectangle an instance where to set the rectangle's values
* @return
*/
public function getRectangle(index:int, rectangle:Rectangle):Rectangle
public function getRectangle(index:int, rectangle:Rectangle = null):Rectangle
{
var inserted:IntegerRectangle = mInsertedRectangles[index];
if (rectangle)
Expand Down Expand Up @@ -178,6 +180,27 @@ package org.villekoskela.utils
freeSize(sortableSize);
}

mHeight = 0;
mWidth = 0;

var length:int = mInsertedRectangles.length;
var rect:IntegerRectangle;

for (var i:int = 0; i < length; i++)
{
rect = mInsertedRectangles[i];

if (rect.y + rect.height > mHeight)
{
mHeight = rect.y + rect.height;
}

if (rect.x + rect.width > mWidth)
{
mWidth = rect.x + rect.width;
}
}

return rectangleCount;
}

Expand Down