laya-coreui-es
Version:
laya核心库、ui库es版本，剔除了媒体、TTF等功能。基于 LayaAir-release_2.12.0 修改
54 lines (53 loc) • 1.95 kB
JavaScript
import { HTMLStyle } from "./HTMLStyle";
import { IHtml } from "./IHtml";
export class LayoutLine {
constructor() {
this.elements = [];
this.x = 0;
this.y = 0;
this.w = 0;
this.h = 0;
this.wordStartIndex = 0;
this.minTextHeight = 99999;
this.mWidth = 0;
}
updatePos(left, width, lineNum, dy, align, valign, lineHeight) {
var w = 0;
var one;
if (this.elements.length > 0) {
one = this.elements[this.elements.length - 1];
w = one.x + one.width - this.elements[0].x;
}
lineHeight = lineHeight || this.h;
var dx = 0, ddy;
if (align === HTMLStyle.ALIGN_CENTER)
dx = (width - w) / 2;
if (align === HTMLStyle.ALIGN_RIGHT)
dx = (width - w);
for (var i = 0, n = this.elements.length; i < n; i++) {
one = this.elements[i];
var tCSSStyle = one._getCSSStyle();
dx !== 0 && (one.x += dx);
switch (tCSSStyle.valign) {
case "top":
one.y = dy;
break;
case "middle":
var tMinTextHeight = 0;
if (this.minTextHeight != 99999)
tMinTextHeight = this.minTextHeight;
var tBottomLineY = (tMinTextHeight + lineHeight) / 2;
tBottomLineY = Math.max(tBottomLineY, this.h);
if (one.eletype == IHtml.HTMLElementType.IMAGE)
ddy = dy + tBottomLineY - one.height;
else
ddy = dy + tBottomLineY - one.height;
one.y = ddy;
break;
case "bottom":
one.y = dy + (lineHeight - one.height);
break;
}
}
}
}