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
41 lines (40 loc) • 1.62 kB
JavaScript
import { ICharRender } from "./ICharRender";
import { ColorUtils } from "../../utils/ColorUtils";
export class CharRender_Native extends ICharRender {
constructor() {
super();
this.lastFont = '';
this.lastScaleX = 1.0;
this.lastScaleY = 1.0;
}
getWidth(font, str) {
if (!window.conchTextCanvas)
return 0;
window.conchTextCanvas.font = font;
this.lastFont = font;
return window.conchTextCanvas.measureText(str).width;
}
scale(sx, sy) {
this.lastScaleX = sx;
this.lastScaleY = sy;
}
getCharBmp(char, font, lineWidth, colStr, strokeColStr, size, margin_left, margin_top, margin_right, margin_bottom, rect = null) {
if (!window.conchTextCanvas)
return null;
window.conchTextCanvas.font = font;
this.lastFont = font;
var w = size.width = window.conchTextCanvas.measureText(char).width;
var h = size.height;
w += (margin_left + margin_right);
h += (margin_top + margin_bottom);
window.conchTextCanvas.scale && window.conchTextCanvas.scale(this.lastScaleX, this.lastScaleY);
var c1 = ColorUtils.create(strokeColStr);
var nStrokeColor = c1.numColor;
var c2 = ColorUtils.create(colStr);
var nTextColor = c2.numColor;
var textInfo = window.conchTextCanvas.getTextBitmapData(char, nTextColor, lineWidth > 2 ? 2 : lineWidth, nStrokeColor);
size.bmpWidth = textInfo.width;
size.bmpHeight = textInfo.height;
return textInfo;
}
}