html2canvas-pro
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Screenshots with JavaScript. Next generation!
189 lines • 13.8 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.calculatePaddingBoxPath = exports.calculateContentBoxPath = exports.calculateBorderBoxPath = exports.BoundCurves = void 0;
const length_percentage_1 = require("../css/types/length-percentage");
const vector_1 = require("./vector");
const bezier_curve_1 = require("./bezier-curve");
class BoundCurves {
constructor(element) {
const styles = element.styles;
const bounds = element.bounds;
let [tlh, tlv] = (0, length_percentage_1.getAbsoluteValueForTuple)(styles.borderTopLeftRadius, bounds.width, bounds.height);
let [trh, trv] = (0, length_percentage_1.getAbsoluteValueForTuple)(styles.borderTopRightRadius, bounds.width, bounds.height);
let [brh, brv] = (0, length_percentage_1.getAbsoluteValueForTuple)(styles.borderBottomRightRadius, bounds.width, bounds.height);
let [blh, blv] = (0, length_percentage_1.getAbsoluteValueForTuple)(styles.borderBottomLeftRadius, bounds.width, bounds.height);
const factors = [];
factors.push((tlh + trh) / bounds.width);
factors.push((blh + brh) / bounds.width);
factors.push((tlv + blv) / bounds.height);
factors.push((trv + brv) / bounds.height);
const maxFactor = Math.max(...factors);
if (maxFactor > 1) {
tlh /= maxFactor;
tlv /= maxFactor;
trh /= maxFactor;
trv /= maxFactor;
brh /= maxFactor;
brv /= maxFactor;
blh /= maxFactor;
blv /= maxFactor;
}
const topWidth = bounds.width - trh;
const rightHeight = bounds.height - brv;
const bottomWidth = bounds.width - brh;
const leftHeight = bounds.height - blv;
const borderTopWidth = styles.borderTopWidth;
const borderRightWidth = styles.borderRightWidth;
const borderBottomWidth = styles.borderBottomWidth;
const borderLeftWidth = styles.borderLeftWidth;
const paddingTop = (0, length_percentage_1.getAbsoluteValue)(styles.paddingTop, element.bounds.width);
const paddingRight = (0, length_percentage_1.getAbsoluteValue)(styles.paddingRight, element.bounds.width);
const paddingBottom = (0, length_percentage_1.getAbsoluteValue)(styles.paddingBottom, element.bounds.width);
const paddingLeft = (0, length_percentage_1.getAbsoluteValue)(styles.paddingLeft, element.bounds.width);
this.topLeftBorderDoubleOuterBox =
tlh > 0 || tlv > 0
? getCurvePoints(bounds.left + borderLeftWidth / 3, bounds.top + borderTopWidth / 3, tlh - borderLeftWidth / 3, tlv - borderTopWidth / 3, CORNER.TOP_LEFT)
: new vector_1.Vector(bounds.left + borderLeftWidth / 3, bounds.top + borderTopWidth / 3);
this.topRightBorderDoubleOuterBox =
tlh > 0 || tlv > 0
? getCurvePoints(bounds.left + topWidth, bounds.top + borderTopWidth / 3, trh - borderRightWidth / 3, trv - borderTopWidth / 3, CORNER.TOP_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - borderRightWidth / 3, bounds.top + borderTopWidth / 3);
this.bottomRightBorderDoubleOuterBox =
brh > 0 || brv > 0
? getCurvePoints(bounds.left + bottomWidth, bounds.top + rightHeight, brh - borderRightWidth / 3, brv - borderBottomWidth / 3, CORNER.BOTTOM_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - borderRightWidth / 3, bounds.top + bounds.height - borderBottomWidth / 3);
this.bottomLeftBorderDoubleOuterBox =
blh > 0 || blv > 0
? getCurvePoints(bounds.left + borderLeftWidth / 3, bounds.top + leftHeight, blh - borderLeftWidth / 3, blv - borderBottomWidth / 3, CORNER.BOTTOM_LEFT)
: new vector_1.Vector(bounds.left + borderLeftWidth / 3, bounds.top + bounds.height - borderBottomWidth / 3);
this.topLeftBorderDoubleInnerBox =
tlh > 0 || tlv > 0
? getCurvePoints(bounds.left + (borderLeftWidth * 2) / 3, bounds.top + (borderTopWidth * 2) / 3, tlh - (borderLeftWidth * 2) / 3, tlv - (borderTopWidth * 2) / 3, CORNER.TOP_LEFT)
: new vector_1.Vector(bounds.left + (borderLeftWidth * 2) / 3, bounds.top + (borderTopWidth * 2) / 3);
this.topRightBorderDoubleInnerBox =
tlh > 0 || tlv > 0
? getCurvePoints(bounds.left + topWidth, bounds.top + (borderTopWidth * 2) / 3, trh - (borderRightWidth * 2) / 3, trv - (borderTopWidth * 2) / 3, CORNER.TOP_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - (borderRightWidth * 2) / 3, bounds.top + (borderTopWidth * 2) / 3);
this.bottomRightBorderDoubleInnerBox =
brh > 0 || brv > 0
? getCurvePoints(bounds.left + bottomWidth, bounds.top + rightHeight, brh - (borderRightWidth * 2) / 3, brv - (borderBottomWidth * 2) / 3, CORNER.BOTTOM_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - (borderRightWidth * 2) / 3, bounds.top + bounds.height - (borderBottomWidth * 2) / 3);
this.bottomLeftBorderDoubleInnerBox =
blh > 0 || blv > 0
? getCurvePoints(bounds.left + (borderLeftWidth * 2) / 3, bounds.top + leftHeight, blh - (borderLeftWidth * 2) / 3, blv - (borderBottomWidth * 2) / 3, CORNER.BOTTOM_LEFT)
: new vector_1.Vector(bounds.left + (borderLeftWidth * 2) / 3, bounds.top + bounds.height - (borderBottomWidth * 2) / 3);
this.topLeftBorderStroke =
tlh > 0 || tlv > 0
? getCurvePoints(bounds.left + borderLeftWidth / 2, bounds.top + borderTopWidth / 2, tlh - borderLeftWidth / 2, tlv - borderTopWidth / 2, CORNER.TOP_LEFT)
: new vector_1.Vector(bounds.left + borderLeftWidth / 2, bounds.top + borderTopWidth / 2);
this.topRightBorderStroke =
tlh > 0 || tlv > 0
? getCurvePoints(bounds.left + topWidth, bounds.top + borderTopWidth / 2, trh - borderRightWidth / 2, trv - borderTopWidth / 2, CORNER.TOP_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - borderRightWidth / 2, bounds.top + borderTopWidth / 2);
this.bottomRightBorderStroke =
brh > 0 || brv > 0
? getCurvePoints(bounds.left + bottomWidth, bounds.top + rightHeight, brh - borderRightWidth / 2, brv - borderBottomWidth / 2, CORNER.BOTTOM_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - borderRightWidth / 2, bounds.top + bounds.height - borderBottomWidth / 2);
this.bottomLeftBorderStroke =
blh > 0 || blv > 0
? getCurvePoints(bounds.left + borderLeftWidth / 2, bounds.top + leftHeight, blh - borderLeftWidth / 2, blv - borderBottomWidth / 2, CORNER.BOTTOM_LEFT)
: new vector_1.Vector(bounds.left + borderLeftWidth / 2, bounds.top + bounds.height - borderBottomWidth / 2);
this.topLeftBorderBox =
tlh > 0 || tlv > 0
? getCurvePoints(bounds.left, bounds.top, tlh, tlv, CORNER.TOP_LEFT)
: new vector_1.Vector(bounds.left, bounds.top);
this.topRightBorderBox =
trh > 0 || trv > 0
? getCurvePoints(bounds.left + topWidth, bounds.top, trh, trv, CORNER.TOP_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width, bounds.top);
this.bottomRightBorderBox =
brh > 0 || brv > 0
? getCurvePoints(bounds.left + bottomWidth, bounds.top + rightHeight, brh, brv, CORNER.BOTTOM_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width, bounds.top + bounds.height);
this.bottomLeftBorderBox =
blh > 0 || blv > 0
? getCurvePoints(bounds.left, bounds.top + leftHeight, blh, blv, CORNER.BOTTOM_LEFT)
: new vector_1.Vector(bounds.left, bounds.top + bounds.height);
this.topLeftPaddingBox =
tlh > 0 || tlv > 0
? getCurvePoints(bounds.left + borderLeftWidth, bounds.top + borderTopWidth, Math.max(0, tlh - borderLeftWidth), Math.max(0, tlv - borderTopWidth), CORNER.TOP_LEFT)
: new vector_1.Vector(bounds.left + borderLeftWidth, bounds.top + borderTopWidth);
this.topRightPaddingBox =
trh > 0 || trv > 0
? getCurvePoints(bounds.left + Math.min(topWidth, bounds.width - borderRightWidth), bounds.top + borderTopWidth, topWidth > bounds.width + borderRightWidth ? 0 : Math.max(0, trh - borderRightWidth), Math.max(0, trv - borderTopWidth), CORNER.TOP_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - borderRightWidth, bounds.top + borderTopWidth);
this.bottomRightPaddingBox =
brh > 0 || brv > 0
? getCurvePoints(bounds.left + Math.min(bottomWidth, bounds.width - borderLeftWidth), bounds.top + Math.min(rightHeight, bounds.height - borderBottomWidth), Math.max(0, brh - borderRightWidth), Math.max(0, brv - borderBottomWidth), CORNER.BOTTOM_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - borderRightWidth, bounds.top + bounds.height - borderBottomWidth);
this.bottomLeftPaddingBox =
blh > 0 || blv > 0
? getCurvePoints(bounds.left + borderLeftWidth, bounds.top + Math.min(leftHeight, bounds.height - borderBottomWidth), Math.max(0, blh - borderLeftWidth), Math.max(0, blv - borderBottomWidth), CORNER.BOTTOM_LEFT)
: new vector_1.Vector(bounds.left + borderLeftWidth, bounds.top + bounds.height - borderBottomWidth);
this.topLeftContentBox =
tlh > 0 || tlv > 0
? getCurvePoints(bounds.left + borderLeftWidth + paddingLeft, bounds.top + borderTopWidth + paddingTop, Math.max(0, tlh - (borderLeftWidth + paddingLeft)), Math.max(0, tlv - (borderTopWidth + paddingTop)), CORNER.TOP_LEFT)
: new vector_1.Vector(bounds.left + borderLeftWidth + paddingLeft, bounds.top + borderTopWidth + paddingTop);
this.topRightContentBox =
trh > 0 || trv > 0
? getCurvePoints(bounds.left + Math.min(topWidth, bounds.width + borderLeftWidth + paddingLeft), bounds.top + borderTopWidth + paddingTop, topWidth > bounds.width + borderLeftWidth + paddingLeft ? 0 : trh - borderLeftWidth + paddingLeft, trv - (borderTopWidth + paddingTop), CORNER.TOP_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - (borderRightWidth + paddingRight), bounds.top + borderTopWidth + paddingTop);
this.bottomRightContentBox =
brh > 0 || brv > 0
? getCurvePoints(bounds.left + Math.min(bottomWidth, bounds.width - (borderLeftWidth + paddingLeft)), bounds.top + Math.min(rightHeight, bounds.height + borderTopWidth + paddingTop), Math.max(0, brh - (borderRightWidth + paddingRight)), brv - (borderBottomWidth + paddingBottom), CORNER.BOTTOM_RIGHT)
: new vector_1.Vector(bounds.left + bounds.width - (borderRightWidth + paddingRight), bounds.top + bounds.height - (borderBottomWidth + paddingBottom));
this.bottomLeftContentBox =
blh > 0 || blv > 0
? getCurvePoints(bounds.left + borderLeftWidth + paddingLeft, bounds.top + leftHeight, Math.max(0, blh - (borderLeftWidth + paddingLeft)), blv - (borderBottomWidth + paddingBottom), CORNER.BOTTOM_LEFT)
: new vector_1.Vector(bounds.left + borderLeftWidth + paddingLeft, bounds.top + bounds.height - (borderBottomWidth + paddingBottom));
}
}
exports.BoundCurves = BoundCurves;
var CORNER;
(function (CORNER) {
CORNER[CORNER["TOP_LEFT"] = 0] = "TOP_LEFT";
CORNER[CORNER["TOP_RIGHT"] = 1] = "TOP_RIGHT";
CORNER[CORNER["BOTTOM_RIGHT"] = 2] = "BOTTOM_RIGHT";
CORNER[CORNER["BOTTOM_LEFT"] = 3] = "BOTTOM_LEFT";
})(CORNER || (CORNER = {}));
const getCurvePoints = (x, y, r1, r2, position) => {
const kappa = 4 * ((Math.sqrt(2) - 1) / 3);
const ox = r1 * kappa; // control point offset horizontal
const oy = r2 * kappa; // control point offset vertical
const xm = x + r1; // x-middle
const ym = y + r2; // y-middle
switch (position) {
case CORNER.TOP_LEFT:
return new bezier_curve_1.BezierCurve(new vector_1.Vector(x, ym), new vector_1.Vector(x, ym - oy), new vector_1.Vector(xm - ox, y), new vector_1.Vector(xm, y));
case CORNER.TOP_RIGHT:
return new bezier_curve_1.BezierCurve(new vector_1.Vector(x, y), new vector_1.Vector(x + ox, y), new vector_1.Vector(xm, ym - oy), new vector_1.Vector(xm, ym));
case CORNER.BOTTOM_RIGHT:
return new bezier_curve_1.BezierCurve(new vector_1.Vector(xm, y), new vector_1.Vector(xm, y + oy), new vector_1.Vector(x + ox, ym), new vector_1.Vector(x, ym));
case CORNER.BOTTOM_LEFT:
default:
return new bezier_curve_1.BezierCurve(new vector_1.Vector(xm, ym), new vector_1.Vector(xm - ox, ym), new vector_1.Vector(x, y + oy), new vector_1.Vector(x, y));
}
};
const calculateBorderBoxPath = (curves) => {
return [curves.topLeftBorderBox, curves.topRightBorderBox, curves.bottomRightBorderBox, curves.bottomLeftBorderBox];
};
exports.calculateBorderBoxPath = calculateBorderBoxPath;
const calculateContentBoxPath = (curves) => {
return [
curves.topLeftContentBox,
curves.topRightContentBox,
curves.bottomRightContentBox,
curves.bottomLeftContentBox
];
};
exports.calculateContentBoxPath = calculateContentBoxPath;
const calculatePaddingBoxPath = (curves) => {
return [
curves.topLeftPaddingBox,
curves.topRightPaddingBox,
curves.bottomRightPaddingBox,
curves.bottomLeftPaddingBox
];
};
exports.calculatePaddingBoxPath = calculatePaddingBoxPath;
//# sourceMappingURL=bound-curves.js.map