You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
3.5 KiB
97 lines
3.5 KiB
4 years ago
|
package com.fr.base.svg;
|
||
|
|
|
||
|
|
import com.fr.log.FineLoggerFactory;
|
||
|
|
import com.fr.stable.StableUtils;
|
||
|
|
import com.fr.stable.os.OperatingSystem;
|
||
|
|
import org.jetbrains.annotations.NotNull;
|
||
|
|
|
||
|
|
import java.awt.GraphicsConfiguration;
|
||
|
|
import java.awt.GraphicsDevice;
|
||
|
|
import java.awt.GraphicsEnvironment;
|
||
|
|
import java.lang.reflect.Method;
|
||
|
|
import java.util.concurrent.atomic.AtomicReference;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 获取系统Scale相关的工具类
|
||
|
|
* @author Yvan
|
||
|
|
* @version 10.0
|
||
|
|
* Created by Yvan on 2020/12/17
|
||
|
|
*/
|
||
|
|
public class SystemScaleUtils {
|
||
|
|
|
||
|
|
private static final AtomicReference<Boolean> JRE_HIDPI = new AtomicReference<>();
|
||
|
|
|
||
|
|
private static final String HI_DPI = "hidpi";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 判断是否支持高清
|
||
|
|
* @return
|
||
|
|
*/
|
||
|
|
public static boolean isJreHiDPIEnabled() {
|
||
|
|
if (JRE_HIDPI.get() != null) {
|
||
|
|
return JRE_HIDPI.get();
|
||
|
|
}
|
||
|
|
if (OperatingSystem.isMacos()) {
|
||
|
|
// 如果是mac os系统，直接返回true
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (OperatingSystem.isWindows() && StableUtils.getMajorJavaVersion() <= 8) {
|
||
|
|
// 如果是jdk8 + Windows系统，直接返回false
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
synchronized (JRE_HIDPI) {
|
||
|
|
if (JRE_HIDPI.get() != null) {
|
||
|
|
return JRE_HIDPI.get();
|
||
|
|
}
|
||
|
|
boolean result = false;
|
||
|
|
if (getBooleanProperty(HI_DPI, true)) {
|
||
|
|
try {
|
||
|
|
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
|
||
|
|
Class<?> sunGraphicsEnvironmentClass = Class.forName("sun.java2d.SunGraphicsEnvironment");
|
||
|
|
if (sunGraphicsEnvironmentClass.isInstance(ge)) {
|
||
|
|
try {
|
||
|
|
Method method = sunGraphicsEnvironmentClass.getDeclaredMethod("isUIScaleEnabled");
|
||
|
|
method.setAccessible(true);
|
||
|
|
result = (Boolean)method.invoke(ge);
|
||
|
|
}
|
||
|
|
catch (NoSuchMethodException e) {
|
||
|
|
FineLoggerFactory.getLogger().error(e.getMessage());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch (Throwable ignore) {
|
||
|
|
}
|
||
|
|
}
|
||
|
|
JRE_HIDPI.set(result);
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static boolean getBooleanProperty(@NotNull final String key, final boolean defaultValue) {
|
||
|
|
final String value = System.getProperty(key);
|
||
|
|
return value == null ? defaultValue : Boolean.parseBoolean(value);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 获取系统Scale
|
||
|
|
* @return
|
||
|
|
*/
|
||
|
|
public static float sysScale() {
|
||
|
|
float scale = 1.0f;
|
||
|
|
// 先判断是否支持高清，不支持代表此时是Windows + jdk8 的设计器，返回的scale值为1.0
|
||
|
|
if (isJreHiDPIEnabled()) {
|
||
|
|
// 获取屏幕图形设备对象
|
||
|
|
GraphicsDevice graphicsDevice = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
|
||
|
|
if (graphicsDevice != null) {
|
||
|
|
// 获取图形配置对象
|
||
|
|
GraphicsConfiguration configuration = graphicsDevice.getDefaultConfiguration();
|
||
|
|
if (configuration != null && configuration.getDevice().getType() != GraphicsDevice.TYPE_PRINTER) {
|
||
|
|
// 获取屏幕缩放率，mac下固定为2，Windows+jdk11则将得到用户设置的dpi值
|
||
|
|
scale = (float) configuration.getDefaultTransform().getScaleX();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return scale;
|
||
|
|
}
|
||
|
|
}
|