export * from './Global';

export { Collection, Util } from './Util';
export { Node, ids, names } from './Node';
export { Container } from './Container';

export { Stage, stages } from './Stage';

export { Layer } from './Layer';
export { FastLayer } from './FastLayer';

export { Group } from './Group';

import { DD as dd } from './DragAndDrop';

export const DD = dd;
export { Shape, shapes } from './Shape';

export { Animation } from './Animation';
export { Tween, Easings } from './Tween';

export const enableTrace = false;

// TODO: move that to stage?
export const listenClickTap = false;
export const inDblClickWindow = false;

/**
 * Global pixel ratio configuration. KonvaJS automatically detect pixel ratio of current device.
 * But you may override such property, if you want to use your value.
 * @property pixelRatio
 * @default undefined
 * @name pixelRatio
 * @memberof Konva
 * @example
 * Konva.pixelRatio = 1;
 */
export const pixelRatio = undefined;

/**
 * Drag distance property. If you start to drag a node you may want to wait until pointer is moved to some distance from start point,
 * only then start dragging. Default is 3px.
 * @property dragDistance
 * @default 0
 * @memberof Konva
 * @example
 * Konva.dragDistance = 10;
 */
export const dragDistance = 3;
/**
 * Use degree values for angle properties. You may set this property to false if you want to use radiant values.
 * @property angleDeg
 * @default true
 * @memberof Konva
 * @example
 * node.rotation(45); // 45 degrees
 * Konva.angleDeg = false;
 * node.rotation(Math.PI / 2); // PI/2 radian
 */
export const angleDeg = true;
/**
 * Show different warnings about errors or wrong API usage
 * @property showWarnings
 * @default true
 * @memberof Konva
 * @example
 * Konva.showWarnings = false;
 */
export const showWarnings = true;

/**
 * Configure what mouse buttons can be used for drag and drop.
 * Default value is [0] - only left mouse button.
 * @property dragButtons
 * @default true
 * @memberof Konva
 * @example
 * // enable left and right mouse buttons
 * Konva.dragButtons = [0, 2];
 */
export const dragButtons = [0, 1];

/**
 * returns whether or not drag and drop is currently active
 * @method
 * @memberof Konva
 */
export const isDragging = function() {
  return dd.isDragging;
};
/**
 * returns whether or not a drag and drop operation is ready, but may
 *  not necessarily have started
 * @method
 * @memberof Konva
 */
export const isDragReady = function() {
  return !!dd.node;
};

// shapes
export { Arc } from './shapes/Arc';
export { Arrow } from './shapes/Arrow';
export { Circle } from './shapes/Circle';
export { Ellipse } from './shapes/Ellipse';
export { Image } from './shapes/Image';
export { Label, Tag } from './shapes/Label';
export { Line } from './shapes/Line';
export { Path } from './shapes/Path';
export { Rect } from './shapes/Rect';
export { RegularPolygon } from './shapes/RegularPolygon';
export { Ring } from './shapes/Ring';
export { Sprite } from './shapes/Sprite';
export { Star } from './shapes/Star';
export { Text } from './shapes/Text';
export { TextPath } from './shapes/TextPath';
export { Transformer } from './shapes/Transformer';
export { Wedge } from './shapes/Wedge';

// filters
import { Blur } from './filters/Blur';
import { Brighten } from './filters/Brighten';
import { Contrast } from './filters/Contrast';
import { Emboss } from './filters/Emboss';
import { Enhance } from './filters/Enhance';
import { Grayscale } from './filters/Grayscale';
import { HSL } from './filters/HSL';
import { HSV } from './filters/HSV';
import { Invert } from './filters/Invert';
import { Kaleidoscope } from './filters/Kaleidoscope';
import { Mask } from './filters/Mask';
import { Noise } from './filters/Noise';
import { Pixelate } from './filters/Pixelate';
import { Posterize } from './filters/Posterize';
import { RGB } from './filters/RGB';
import { RGBA } from './filters/RGBA';
import { Sepia } from './filters/Sepia';
import { Solarize } from './filters/Solarize';
import { Threshold } from './filters/Threshold';

/**
 * @namespace Filters
 * @memberof Konva
 */
export const Filters = {
  Blur,
  Brighten,
  Contrast,
  Emboss,
  Enhance,
  Grayscale,
  HSL,
  HSV,
  Invert,
  Kaleidoscope,
  Mask,
  Noise,
  Pixelate,
  Posterize,
  RGB,
  RGBA,
  Sepia,
  Solarize,
  Threshold
};