BtfyAnimationView

BtfyAnimationView

public class BtfyAnimationView extends ViewGroup {

    // ... load .btfy into a BtfyStage object at property this.btfyStage

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        if (this.btfyStage == null) {
            setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec),
                    MeasureSpec.getSize(heightMeasureSpec));
            return;
        }

        BtfySize size = this.btfyStage.sizeInfo;
        int resolveSizeWidth = resolveSize(size.width.intValue(), widthMeasureSpec);
        int resolveSizeHeight = resolveSize(size.height.intValue(), heightMeasureSpec);

        float sizeRatio;
        if (!(resolveSizeWidth == size.width && resolveSizeHeight == size.height)) {
            sizeRatio = size.width / size.height;
            float resolvedRatio = ((float) resolveSizeWidth) / ((float) resolveSizeHeight);
            if (resolvedRatio > sizeRatio) {
                resolveSizeWidth = Math.round(((float) resolveSizeHeight) * sizeRatio);
            } else if (resolvedRatio < sizeRatio) {
                resolveSizeHeight = Math.round(((float) resolveSizeWidth) / sizeRatio);
            }
        }

        int measuredWidth;
        if (resolveSizeWidth < MeasureSpec.getSize(widthMeasureSpec)
                || resolveSizeHeight < MeasureSpec.getSize(heightMeasureSpec)) {
            sizeRatio = (float) Math.min(MeasureSpec.getSize(widthMeasureSpec) / resolveSizeWidth,
                    MeasureSpec.getSize(heightMeasureSpec) / resolveSizeHeight);
            measuredWidth = (int) (((float) resolveSizeWidth) * sizeRatio);
            resolveSizeWidth = (int) (((float) resolveSizeHeight) * sizeRatio);
        } else {
            measuredWidth = resolveSizeWidth;
            resolveSizeWidth = resolveSizeHeight;
        }
        setMeasuredDimension(measuredWidth, resolveSizeWidth);
        }
    }
}