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probe and explorer show process picture problem

greenwood

hi

Task Name in my process file was Chinese , and in probe and explorer ,the picture has some problem when it show up .

I upload my picture below :

2011-4-2 16-46-12.png

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Comments

frederikherema1

Don't think this is an encoding issue. Looks like the font that is used to generate the node names in our generator, doesn't have the required characters so it just shows rectangles.

Can you create a JIRA for this, and maybe attach a problematic process-definition bpmn20.xml file?

jbarrez

There is already a Jira for not being able to display Chinese.

I did some research on it, and it appears to be fixeable by changing the font. However, none I tried (of the JDK fonts) was able to display chinese.

greenwood

hi

Will this issue be fixed in next version ?

thanks

jbarrez

No, I'm afraid not. I already invested some time in it, but it seems quite complex to fix. So if you have any insight in how you could do it easily in Java, please post it here.

springlee

No, I'm afraid not. I already invested some time in it, but it seems quite complex to fix. So if you have any insight in how you could do it easily in Java, please post it here.

hi,I got the same problem too. The task name is Chinese Character ,so it can not display the task name correctly.

eg.

InputStream imageStream = processEngine.getRepositoryService().
getResourceAsStream(processDefinition.getDeploymentId(),diagramResourceName);

By this way, i can't got correct image file in jsp.(the image has invalid character). Is there any solution? I need to resolve as soon as possible for.
Thank you .
[attachment=0]demo.png[/attachment]

demo.png

frederikherema1

@jbarrez: Maybe it's a solution to allow setting in the font name to use for the diagram generation in config? So chinese users can use specific font…

jbarrez

@Frederik: its not enough to specify the font. The font must also be found by the JVM, so you must put it in some strange location on your classpath.
So I'm hoping there is a simpler solution to the problem….

greenwood

hi

have you try using this font "Arial Unicode MS" ?

jbarrez

Is that one shipped with every Oracle (Sun) JDK ?

greenwood

hi

I changed the font in "ProcessDiagramCanvas" and put my font file in JVM , now it can support chinese , but the picture still show the diagram with wrong flow and waypoings , just as jira : ACT-629 listed.

herist

You could download ProcessDiagramCanvas.java and ProcessDiagramGenerator.java from http://svn.codehaus.org/activiti/activiti/trunk/modules/activiti-engine/src/main/java/org/activiti/engine/impl/bpmn/diagram/.

Then modify the ProcessDiagramCanvas.java like this:

/**
   * Creates an empty canvas with given width and height.
   */
public ProcessDiagramCanvas(int width, int height) {
    this.canvasWidth = width;
    this.canvasHeight = height;
    this.processDiagram = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    this.g = processDiagram.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.setPaint(Color.black);

    Font font = new Font("微软雅黑", Font.PLAIN, 12);

    g.setFont(font);
    this.fontMetrics = g.getFontMetrics();
}

Just change the font,the process diagram will be Ok ^_^

andymao

hi greenwood,
I have the same problem with you , can you tell more details on how to put fonts into jre environment. Your help well very appreciated!
Thanks!

stormsky

to change the font is not a good method.
is there anyone who solves the problem in other way？