Example usage for com.badlogic.gdx.scenes.scene2d.utils Layout getMaxWidth

Introduction

In this page you can find the example usage for com.badlogic.gdx.scenes.scene2d.utils Layout getMaxWidth.

Prototype

public float getMaxWidth();

Source Link

Document

Zero indicates no max width.

Usage

From source file:net.dermetfan.gdx.scenes.scene2d.ui.CircularGroup.java

License:Apache License

@Override
public void layout() {
    float prefWidthUnderflow = shrinkChildren ? Math.max(0, getPrefWidth() - getWidth()) / 2 : 0,
            prefHeightUnderflow = shrinkChildren ? Math.max(0, getPrefHeight() - getHeight()) / 2 : 0;
    SnapshotArray<Actor> children = getChildren();
    for (int index = 0; index < children.size; index++) {
        Actor child = children.get(index);

        // get dimensions and resize
        float width, height;
        if (child instanceof Layout) {
            Layout childLayout = (Layout) child;
            width = childLayout.getPrefWidth() - prefWidthUnderflow;
            width = Math.max(width, childLayout.getMinWidth());
            if (childLayout.getMaxWidth() != 0)
                width = Math.min(width, childLayout.getMaxWidth());
            height = childLayout.getPrefHeight() - prefHeightUnderflow;
            height = Math.max(height, childLayout.getMinHeight());
            if (childLayout.getMaxHeight() != 0)
                height = Math.min(height, childLayout.getMaxHeight());
            child.setSize(width, height);
            childLayout.validate();/* www.  ja v  a2s  . c o  m*/
        } else {
            width = child.getWidth();
            height = child.getHeight();
        }

        float angle = fullAngle / (children.size - (virtualChildEnabled ? 0 : 1)) * index;
        angle += angleOffset;
        angle = modifier.angle(angle, child, index, children.size, this);

        float rotation = modifier.rotation(angle, child, index, children.size, this);

        tmp.set(modifier.anchorOffset(tmp.setZero(), child, index, children.size, this));
        tmp.rotate(angle);
        float offsetX = tmp.x, offsetY = tmp.y;

        tmp.set(modifier.localAnchor(tmp.set(width, height / 2), child, index, children.size, this));
        float localAnchorX = tmp.x, localAnchorY = tmp.y;

        child.setOrigin(localAnchorX, localAnchorY);
        child.setRotation(rotation);
        child.setPosition(getWidth() / 2 + offsetX - localAnchorX, getHeight() / 2 + offsetY - localAnchorY);
    }
}

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