Java 不满意的链接错误:org.opencv.highgui.highgui.imread处理图像时
我在尝试运行代码时遇到了不满意的链接错误。所以我把这两个类打包到一个.jar中 Brightness插件Java 不满意的链接错误:org.opencv.highgui.highgui.imread处理图像时,java,opencv,unsatisfiedlinkerror,imread,highgui,Java,Opencv,Unsatisfiedlinkerror,Imread,Highgui,我在尝试运行代码时遇到了不满意的链接错误。所以我把这两个类打包到一个.jar中 Brightness插件 package brightness.copy; import interfaces.IEnhancementOption; import plugins.IEnhancementPlugin; import window.EditImageWindow; public class BrightnessPlugin implements IEnhancementPlugin {
package brightness.copy;
import interfaces.IEnhancementOption;
import plugins.IEnhancementPlugin;
import window.EditImageWindow;
public class BrightnessPlugin implements IEnhancementPlugin
{
public EditImageWindow editWindow;
@Override
public String getName()
{
return "Brightness";
}
@Override
public IEnhancementOption getEnhacement(EditImageWindow editWindow)
{
return new BrightnessEnhancement(editWindow);
}
}
亮度增强
package brightness.copy;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.widgets.Composite;
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.highgui.Highgui;
import widget.edit.enhancement.AEnhancementOption;
import window.EditImageWindow;
public class BrightnessEnhancement extends AEnhancementOption
{
public EditImageWindow editWindow;
public BrightnessEnhancement(Composite parent)
{
super(parent);
this.editWindow = (EditImageWindow) parent;
}
@Override
public void initialize()
{
setEnhancementName("Brightness");
this.getButton().addSelectionListener(this);
}
@Override
public void widgetSelected(SelectionEvent e)
{
double alpha = 1;
double beta = 31;
try{
System.loadLibrary( Core.NATIVE_LIBRARY_NAME );
Mat source = Highgui.imread(editWindow.getImagePath(),Highgui.CV_LOAD_IMAGE_COLOR);
Mat destination = new Mat(source.rows(),source.cols(),
source.type());
source.convertTo(destination, -1, alpha, beta);
Highgui.imwrite("temp/brightness.jpg", destination);
ImageData imgData = new ImageData("temp/brightness.jpg");
editWindow.setImageData(imgData);
editWindow.getImageEditor().reCallPicture(imgData);
editWindow.setEffect("brightness");
}catch (Exception error)
{
System.out.println("error: " + error.getMessage());
}
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {
// TODO Auto-generated method stub
}
}
然后,当我尝试在图片中实现亮度增强时,出现了错误UnsatifiedLinkError
以下是实现增强功能的代码:
Properties loadProp = new Properties();
List<IEnhancementPlugin> plugins = PluginManager.getEnhancementPlugins();
for (IEnhancementPlugin p : plugins)
{
try {
FileInputStream in = new FileInputStream("Plugins/Enhancement/" + p.getName()+ ".properties");
loadProp.load(in);
in.close();
if(loadProp.getProperty("active").equals("true"))
{
addEnhancementOption(p.getEnhacement(this));
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
截图如下:
我按下按钮时出错了
我读过其他帖子,其中一个解决方案说添加System.loadLibrary(Core.NATIVE\u LIBRARY\u NAME);我已经添加了代码,但问题仍然存在。如果有人能解决这个问题,我将不胜感激。谢谢大家!
附言。
1.若我并没有把它们放进罐子里,它就可以工作,但我需要它们都可以从罐子里装入。
2.如果从.jar加载函数addEnhancement,则当包在项目中时,它也可以工作。
System.loadLibrary(Core.NATIVE\u LIBRARY\u NAME)代码>表示您正在尝试加载本机库,即.dll(Windows)或.so(Linux)。但该库必须可用,即它必须存在于系统中,并且位于标准路径(例如Windows上的“/Windows/System32”)、本机库的定义基本路径(通过-Djava.library.path提供)
-请参见Nicolas的注释)或路径必须是绝对路径(例如“C:/yourapp/somelib.dll”)NATIVE\u LIBRARY\u NAME
表示常量仅包含文件名。您是否设置了-Djava.LIBRARY.path,以便java应用程序可以访问您的库?顺便说一句,复制某些类,因为它们在运行时找不到,这很可能不是最好的方法。相反,您应该将库(即.jar以及任何本机库)放在类路径上,这很可能是文档中的某个地方描述的。@nicolasfilloto是的,我已经设置了java.library.path。我想问题出在这行Mat source=>Highgui.imread(editWindow.getImagePath(),Highgui.CV\u LOAD\u IMAGE\u COLOR);
Exception in thread "main" java.lang.UnsatisfiedLinkError: org.opencv.highgui.Highgui.imread_0(Ljava/lang/String;I)J
at org.opencv.highgui.Highgui.imread_0(Native Method)
at org.opencv.highgui.Highgui.imread(Highgui.java:316)
at brightness.copy.BrightnessEnhancement.widgetSelected(BrightnessEnhancement.java:39)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at window.AWindow.show(AWindow.java:22)
at widget.listimage.ListImage.handleEvent(ListImage.java:74)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at window.AWindow.show(AWindow.java:22)
at main.Main.main(Main.java:10)