org.ofdrw.layout.element.canvas.CanvasState Maven / Gradle / Ivy
package org.ofdrw.layout.element.canvas;
import org.ofdrw.core.basicType.ST_Array;
import org.ofdrw.core.graph.pathObj.AbbreviatedData;
import org.ofdrw.core.pageDescription.drawParam.CT_DrawParam;
import org.ofdrw.font.FontName;
/**
* 画布上下文中的绘制参数状态
*
* @author 权观宇
* @since 2020-05-06 19:22:15
*/
public class CanvasState implements Cloneable {
/**
* 上下文 路径数据
*/
AbbreviatedData path;
/**
* 变换矩阵
*/
ST_Array ctm = null;
/**
* 绘制文字设置
*
* 默认为宋体，字号为1
*/
FontSetting font = null;
/**
* 透明值。必须介于 0.0（完全透明） 与 1.0（不透明） 之间。
*/
Double globalAlpha = null;
/**
* 绘制参数
*/
CT_DrawParam drawParam;
/**
* 裁剪区域
*/
AbbreviatedData clipArea = null;
/**
* 填充颜色 16进制格式
* 如： #000000
*/
Object fillStyle;
/**
* 描边颜色 16进制格式
* 如： #000000
*/
Object strokeStyle;
/**
* 字体样式
*/
String fontStyle;
public CanvasState() {
drawParam = new CT_DrawParam();
font = new FontSetting(1d, FontName.SimSun.font());
}
/**
* 获取绘制参数缓存
*
* 如果缓存不存在那么创建
*
* @return 绘制参数缓存
* @deprecated 采用 {@link #getDrawParam()}
*/
@Deprecated
public DrawParamCache obtainDrawParamCache() {
return new DrawParamCache();
}
/**
* 获取绘制参数
*
* @return 绘制参数
*/
public CT_DrawParam getDrawParam() {
return this.drawParam;
}
@Override
public CanvasState clone() {
CanvasState that = new CanvasState();
if (path != null) {
that.path = path.clone();
}
if (ctm != null) {
that.ctm = ctm.clone();
}
if (font != null) {
that.font = font.clone();
}
if (globalAlpha != null) {
that.globalAlpha = globalAlpha;
}
if (this.drawParam != null){
this.drawParam = this.drawParam.clone();
}
if (clipArea != null) {
that.clipArea = clipArea.clone();
}
that.fillStyle = this.fillStyle;
that.strokeStyle = this.strokeStyle;
that.fontStyle = this.fontStyle;
return that;
}
}