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73 lines
2.2 KiB
73 lines
2.2 KiB
package com.fr.design.utils; |
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import com.fr.base.svg.SVGLoader; |
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import com.fr.base.svg.SystemScaleUtils; |
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import org.jetbrains.annotations.NotNull; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import java.awt.image.ImageObserver; |
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/** |
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* 用于绘制svg图片缩放(高分屏下) |
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* |
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* @author hades |
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* @since 11.0 |
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* Created on 2022/5/6 |
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*/ |
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public class SvgDrawUtils { |
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private static final boolean HI_DPI_ENABLED = SystemScaleUtils.isJreHiDPIEnabled(); |
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/** |
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* 绘制svg前若环境支持高清化则对缩放比例进行适配 |
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* */ |
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public static void beforeDraw(Graphics2D g2) { |
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if (HI_DPI_ENABLED) { |
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g2.scale(1 / SVGLoader.SYSTEM_SCALE, 1 / SVGLoader.SYSTEM_SCALE); |
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} |
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} |
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/** |
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* 绘制svg后还原缩放矩阵 |
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* */ |
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public static void afterDraw(Graphics2D g2) { |
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if (HI_DPI_ENABLED) { |
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g2.scale(SVGLoader.SYSTEM_SCALE, SVGLoader.SYSTEM_SCALE); |
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} |
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} |
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/** |
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* 计算高缩放下绘制svg图标时新的的位置x,y |
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* @param position 旧坐标的值 |
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* @return 新的position值 |
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* */ |
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public static int calculatePosition(int position) { |
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return HI_DPI_ENABLED ? (int) (position * SVGLoader.SYSTEM_SCALE) : position; |
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} |
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/** |
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* 绘制svg图像的完整逻辑 |
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* @param graphics 绘图 |
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* @param svgDraw 具体绘制逻辑 |
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* */ |
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public static void doDrawSVG(@NotNull Graphics graphics, @NotNull final SvgDraw<Graphics> svgDraw) { |
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SvgDrawUtils.beforeDraw((Graphics2D) graphics); |
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svgDraw.drawSVG(); |
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SvgDrawUtils.afterDraw((Graphics2D) graphics); |
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} |
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/** |
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* 绘制前对坐标x和y进行处理 |
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* @param graphics 绘图 |
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* @param image svg的Image对象 |
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* @param x x坐标 |
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* @param y y坐标 |
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* @param imageObserver 图像观察器 |
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* */ |
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public static void drawImage(Graphics graphics, Image image, int x, int y, ImageObserver imageObserver) { |
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//如果环境支持高清化,在调整缩放比例时绘制svg会影响到位置的变化,若图标无确定裁剪位置,则需要进行调整 |
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graphics.drawImage(image, SvgDrawUtils.calculatePosition(x), SvgDrawUtils.calculatePosition(y), imageObserver); |
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} |
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}
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