project/node_modules/zrender/lib/graphic/Path.js

399 lines
14 KiB
JavaScript

import { __extends } from "tslib";
import Displayable, { DEFAULT_COMMON_STYLE, DEFAULT_COMMON_ANIMATION_PROPS } from './Displayable.js';
import PathProxy from '../core/PathProxy.js';
import * as pathContain from '../contain/path.js';
import { defaults, keys, extend, clone, isString, createObject } from '../core/util.js';
import { lum } from '../tool/color.js';
import { DARK_LABEL_COLOR, LIGHT_LABEL_COLOR, DARK_MODE_THRESHOLD, LIGHTER_LABEL_COLOR } from '../config.js';
import { REDRAW_BIT, SHAPE_CHANGED_BIT, STYLE_CHANGED_BIT } from './constants.js';
import { TRANSFORMABLE_PROPS } from '../core/Transformable.js';
export var DEFAULT_PATH_STYLE = defaults({
fill: '#000',
stroke: null,
strokePercent: 1,
fillOpacity: 1,
strokeOpacity: 1,
lineDashOffset: 0,
lineWidth: 1,
lineCap: 'butt',
miterLimit: 10,
strokeNoScale: false,
strokeFirst: false
}, DEFAULT_COMMON_STYLE);
export var DEFAULT_PATH_ANIMATION_PROPS = {
style: defaults({
fill: true,
stroke: true,
strokePercent: true,
fillOpacity: true,
strokeOpacity: true,
lineDashOffset: true,
lineWidth: true,
miterLimit: true
}, DEFAULT_COMMON_ANIMATION_PROPS.style)
};
var pathCopyParams = TRANSFORMABLE_PROPS.concat(['invisible',
'culling', 'z', 'z2', 'zlevel', 'parent'
]);
var Path = (function (_super) {
__extends(Path, _super);
function Path(opts) {
return _super.call(this, opts) || this;
}
Path.prototype.update = function () {
var _this = this;
_super.prototype.update.call(this);
var style = this.style;
if (style.decal) {
var decalEl = this._decalEl = this._decalEl || new Path();
if (decalEl.buildPath === Path.prototype.buildPath) {
decalEl.buildPath = function (ctx) {
_this.buildPath(ctx, _this.shape);
};
}
decalEl.silent = true;
var decalElStyle = decalEl.style;
for (var key in style) {
if (decalElStyle[key] !== style[key]) {
decalElStyle[key] = style[key];
}
}
decalElStyle.fill = style.fill ? style.decal : null;
decalElStyle.decal = null;
decalElStyle.shadowColor = null;
style.strokeFirst && (decalElStyle.stroke = null);
for (var i = 0; i < pathCopyParams.length; ++i) {
decalEl[pathCopyParams[i]] = this[pathCopyParams[i]];
}
decalEl.__dirty |= REDRAW_BIT;
}
else if (this._decalEl) {
this._decalEl = null;
}
};
Path.prototype.getDecalElement = function () {
return this._decalEl;
};
Path.prototype._init = function (props) {
var keysArr = keys(props);
this.shape = this.getDefaultShape();
var defaultStyle = this.getDefaultStyle();
if (defaultStyle) {
this.useStyle(defaultStyle);
}
for (var i = 0; i < keysArr.length; i++) {
var key = keysArr[i];
var value = props[key];
if (key === 'style') {
if (!this.style) {
this.useStyle(value);
}
else {
extend(this.style, value);
}
}
else if (key === 'shape') {
extend(this.shape, value);
}
else {
_super.prototype.attrKV.call(this, key, value);
}
}
if (!this.style) {
this.useStyle({});
}
};
Path.prototype.getDefaultStyle = function () {
return null;
};
Path.prototype.getDefaultShape = function () {
return {};
};
Path.prototype.canBeInsideText = function () {
return this.hasFill();
};
Path.prototype.getInsideTextFill = function () {
var pathFill = this.style.fill;
if (pathFill !== 'none') {
if (isString(pathFill)) {
var fillLum = lum(pathFill, 0);
if (fillLum > 0.5) {
return DARK_LABEL_COLOR;
}
else if (fillLum > 0.2) {
return LIGHTER_LABEL_COLOR;
}
return LIGHT_LABEL_COLOR;
}
else if (pathFill) {
return LIGHT_LABEL_COLOR;
}
}
return DARK_LABEL_COLOR;
};
Path.prototype.getInsideTextStroke = function (textFill) {
var pathFill = this.style.fill;
if (isString(pathFill)) {
var zr = this.__zr;
var isDarkMode = !!(zr && zr.isDarkMode());
var isDarkLabel = lum(textFill, 0) < DARK_MODE_THRESHOLD;
if (isDarkMode === isDarkLabel) {
return pathFill;
}
}
};
Path.prototype.buildPath = function (ctx, shapeCfg, inBatch) { };
Path.prototype.pathUpdated = function () {
this.__dirty &= ~SHAPE_CHANGED_BIT;
};
Path.prototype.getUpdatedPathProxy = function (inBatch) {
!this.path && this.createPathProxy();
this.path.beginPath();
this.buildPath(this.path, this.shape, inBatch);
return this.path;
};
Path.prototype.createPathProxy = function () {
this.path = new PathProxy(false);
};
Path.prototype.hasStroke = function () {
var style = this.style;
var stroke = style.stroke;
return !(stroke == null || stroke === 'none' || !(style.lineWidth > 0));
};
Path.prototype.hasFill = function () {
var style = this.style;
var fill = style.fill;
return fill != null && fill !== 'none';
};
Path.prototype.getBoundingRect = function () {
var rect = this._rect;
var style = this.style;
var needsUpdateRect = !rect;
if (needsUpdateRect) {
var firstInvoke = false;
if (!this.path) {
firstInvoke = true;
this.createPathProxy();
}
var path = this.path;
if (firstInvoke || (this.__dirty & SHAPE_CHANGED_BIT)) {
path.beginPath();
this.buildPath(path, this.shape, false);
this.pathUpdated();
}
rect = path.getBoundingRect();
}
this._rect = rect;
if (this.hasStroke() && this.path && this.path.len() > 0) {
var rectStroke = this._rectStroke || (this._rectStroke = rect.clone());
if (this.__dirty || needsUpdateRect) {
rectStroke.copy(rect);
var lineScale = style.strokeNoScale ? this.getLineScale() : 1;
var w = style.lineWidth;
if (!this.hasFill()) {
var strokeContainThreshold = this.strokeContainThreshold;
w = Math.max(w, strokeContainThreshold == null ? 4 : strokeContainThreshold);
}
if (lineScale > 1e-10) {
rectStroke.width += w / lineScale;
rectStroke.height += w / lineScale;
rectStroke.x -= w / lineScale / 2;
rectStroke.y -= w / lineScale / 2;
}
}
return rectStroke;
}
return rect;
};
Path.prototype.contain = function (x, y) {
var localPos = this.transformCoordToLocal(x, y);
var rect = this.getBoundingRect();
var style = this.style;
x = localPos[0];
y = localPos[1];
if (rect.contain(x, y)) {
var pathProxy = this.path;
if (this.hasStroke()) {
var lineWidth = style.lineWidth;
var lineScale = style.strokeNoScale ? this.getLineScale() : 1;
if (lineScale > 1e-10) {
if (!this.hasFill()) {
lineWidth = Math.max(lineWidth, this.strokeContainThreshold);
}
if (pathContain.containStroke(pathProxy, lineWidth / lineScale, x, y)) {
return true;
}
}
}
if (this.hasFill()) {
return pathContain.contain(pathProxy, x, y);
}
}
return false;
};
Path.prototype.dirtyShape = function () {
this.__dirty |= SHAPE_CHANGED_BIT;
if (this._rect) {
this._rect = null;
}
if (this._decalEl) {
this._decalEl.dirtyShape();
}
this.markRedraw();
};
Path.prototype.dirty = function () {
this.dirtyStyle();
this.dirtyShape();
};
Path.prototype.animateShape = function (loop) {
return this.animate('shape', loop);
};
Path.prototype.updateDuringAnimation = function (targetKey) {
if (targetKey === 'style') {
this.dirtyStyle();
}
else if (targetKey === 'shape') {
this.dirtyShape();
}
else {
this.markRedraw();
}
};
Path.prototype.attrKV = function (key, value) {
if (key === 'shape') {
this.setShape(value);
}
else {
_super.prototype.attrKV.call(this, key, value);
}
};
Path.prototype.setShape = function (keyOrObj, value) {
var shape = this.shape;
if (!shape) {
shape = this.shape = {};
}
if (typeof keyOrObj === 'string') {
shape[keyOrObj] = value;
}
else {
extend(shape, keyOrObj);
}
this.dirtyShape();
return this;
};
Path.prototype.shapeChanged = function () {
return !!(this.__dirty & SHAPE_CHANGED_BIT);
};
Path.prototype.createStyle = function (obj) {
return createObject(DEFAULT_PATH_STYLE, obj);
};
Path.prototype._innerSaveToNormal = function (toState) {
_super.prototype._innerSaveToNormal.call(this, toState);
var normalState = this._normalState;
if (toState.shape && !normalState.shape) {
normalState.shape = extend({}, this.shape);
}
};
Path.prototype._applyStateObj = function (stateName, state, normalState, keepCurrentStates, transition, animationCfg) {
_super.prototype._applyStateObj.call(this, stateName, state, normalState, keepCurrentStates, transition, animationCfg);
var needsRestoreToNormal = !(state && keepCurrentStates);
var targetShape;
if (state && state.shape) {
if (transition) {
if (keepCurrentStates) {
targetShape = state.shape;
}
else {
targetShape = extend({}, normalState.shape);
extend(targetShape, state.shape);
}
}
else {
targetShape = extend({}, keepCurrentStates ? this.shape : normalState.shape);
extend(targetShape, state.shape);
}
}
else if (needsRestoreToNormal) {
targetShape = normalState.shape;
}
if (targetShape) {
if (transition) {
this.shape = extend({}, this.shape);
var targetShapePrimaryProps = {};
var shapeKeys = keys(targetShape);
for (var i = 0; i < shapeKeys.length; i++) {
var key = shapeKeys[i];
if (typeof targetShape[key] === 'object') {
this.shape[key] = targetShape[key];
}
else {
targetShapePrimaryProps[key] = targetShape[key];
}
}
this._transitionState(stateName, {
shape: targetShapePrimaryProps
}, animationCfg);
}
else {
this.shape = targetShape;
this.dirtyShape();
}
}
};
Path.prototype._mergeStates = function (states) {
var mergedState = _super.prototype._mergeStates.call(this, states);
var mergedShape;
for (var i = 0; i < states.length; i++) {
var state = states[i];
if (state.shape) {
mergedShape = mergedShape || {};
this._mergeStyle(mergedShape, state.shape);
}
}
if (mergedShape) {
mergedState.shape = mergedShape;
}
return mergedState;
};
Path.prototype.getAnimationStyleProps = function () {
return DEFAULT_PATH_ANIMATION_PROPS;
};
Path.prototype.isZeroArea = function () {
return false;
};
Path.extend = function (defaultProps) {
var Sub = (function (_super) {
__extends(Sub, _super);
function Sub(opts) {
var _this = _super.call(this, opts) || this;
defaultProps.init && defaultProps.init.call(_this, opts);
return _this;
}
Sub.prototype.getDefaultStyle = function () {
return clone(defaultProps.style);
};
Sub.prototype.getDefaultShape = function () {
return clone(defaultProps.shape);
};
return Sub;
}(Path));
for (var key in defaultProps) {
if (typeof defaultProps[key] === 'function') {
Sub.prototype[key] = defaultProps[key];
}
}
return Sub;
};
Path.initDefaultProps = (function () {
var pathProto = Path.prototype;
pathProto.type = 'path';
pathProto.strokeContainThreshold = 5;
pathProto.segmentIgnoreThreshold = 0;
pathProto.subPixelOptimize = false;
pathProto.autoBatch = false;
pathProto.__dirty = REDRAW_BIT | STYLE_CHANGED_BIT | SHAPE_CHANGED_BIT;
})();
return Path;
}(Displayable));
export default Path;