//////////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) 2014-present, Egret Technology.
//  All rights reserved.
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the Egret nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY EGRET AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
//  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
//  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//  IN NO EVENT SHALL EGRET AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
//  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;LOSS OF USE, DATA,
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//  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////////////////

namespace egret.sys {

    /**
     * @private
     * 文本渲染节点
     */
    export class TextNode extends RenderNode {

        public constructor() {
            super();
            this.type = RenderNodeType.TextNode;
        }

        /**
         * 颜色值
         */
        public textColor:number = 0xFFFFFF;
        /**
         * 描边颜色值
         */
        public strokeColor:number = 0x000000;
        /**
         * 字号
         */
        public size:number = 30;
        /**
         * 描边大小
         */
        public stroke:number = 0;
        /**
         * 是否加粗
         */
        public bold:boolean = false;
        /**
         * 是否倾斜
         */
        public italic:boolean = false;
        /**
         * 字体名称
         */
        public fontFamily:string = "Arial";

        /**
         * 绘制一行文本
         */
        public drawText(x:number, y:number, text:string, format:TextFormat):void {
            this.drawData.push(x, y, text, format);
            this.renderCount++;
            this.dirtyRender = true;
        }

        //forWebGL
        /**
         * 绘制x偏移
         */
        public x:number;
        /**
         * 绘制y偏移
         */
        public y:number;
        /**
         * 绘制宽度
         */
        public width:number;
        /**
         * 绘制高度
         */
        public height:number;
        /**
         * 脏渲染标记
         */
        public dirtyRender:boolean = true;
        public $texture:WebGLTexture;
        public $textureWidth:number;
        public $textureHeight:number;
        public $canvasScaleX:number;
        public $canvasScaleY:number;

        /**
         * 清除非绘制的缓存数据
         */
        public clean():void {
            if(this.$texture) {
                WebGLUtils.deleteWebGLTexture(this.$texture);
                this.$texture = null;
                this.dirtyRender = true;
            }
        }
    }
}