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) • 1.37 kB
JavaScript
import { AtlasGrid } from "./AtlasGrid";
import { TextTexture } from "./TextTexture";
import { ILaya } from "../../../ILaya";
export class TextAtlas {
constructor() {
this.texWidth = 1024;
this.texHeight = 1024;
this.texture = null;
this.charMaps = {};
this.texHeight = this.texWidth = ILaya.TextRender.atlasWidth;
this.texture = TextTexture.getTextTexture(this.texWidth, this.texHeight);
if (this.texWidth / TextAtlas.atlasGridW > 256) {
TextAtlas.atlasGridW = Math.ceil(this.texWidth / 256);
}
this.atlasgrid = new AtlasGrid(this.texWidth / TextAtlas.atlasGridW, this.texHeight / TextAtlas.atlasGridW, this.texture.id);
}
setProtecteDist(d) {
}
getAEmpty(w, h, pt) {
var find = this.atlasgrid.addRect(1, Math.ceil(w / TextAtlas.atlasGridW), Math.ceil(h / TextAtlas.atlasGridW), pt);
if (find) {
pt.x *= TextAtlas.atlasGridW;
pt.y *= TextAtlas.atlasGridW;
}
return find;
}
get usedRate() {
return this.atlasgrid._used;
}
destroy() {
for (var k in this.charMaps) {
var ri = this.charMaps[k];
ri.deleted = true;
}
this.texture.discard();
}
printDebugInfo() {
}
}
TextAtlas.atlasGridW = 16;