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Export as gif file failing [message #763417]

Fri, 09 December 2011 18:19

Brian Fitzpatrick

Messages: 500
Registered: July 2009

Senior Member

Hey all...

We have a bug in the BPMN2 editor when we try to export the canvas as a gif file. Has anyone run into this before? Is there a workaround? Some way to remove gif from the list perhaps?

eclipse.buildId=I20100608-0911
java.version=1.6.0_18
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os linux -ws gtk -arch x86 -product
org.eclipse.epp.package.jee.product

Error
Wed Mar 09 12:46:14 GMT 2011
Method 'startSaveAsImageDialog(graphicalViewer)': Can not save image:
Details: java.lang.Exception: Image contains more than 256 colors.
Automated color reduction is currently not supported.
at
org.eclipse.graphiti.ui.internal.services.impl.UiService.create8BitIndexedPaletteImage(UiService.java:108)
at
org.eclipse.graphiti.ui.internal.services.impl.UiService.createImage(UiService.java:65)
at
org.eclipse.graphiti.ui.internal.services.impl.UiService.startSaveAsImageDialog(UiService.java:160)
at
org.eclipse.graphiti.ui.internal.action.SaveImageAction.run(SaveImageAction.java:58)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
at
org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
at
org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
at
org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3552)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3171)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2629)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2427)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:663)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at
org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
at
org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
at org.eclipse.equinox.launcher.Main.run(Main.java:1407)

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Re: Export as gif file failing [message #764434 is a reply to message #763417]

Mon, 12 December 2011 07:05

Michael Wenz

Messages: 1914
Registered: July 2009
Location: Walldorf, Germany

Senior Member

Brian,

that happens because Graphiti does not (yet) support color reduction to the maximum 256 colors GIF can take and your diagram probably uses more than these 256 colors, e.g. because you are using gradients.

There should be a popup being presented to the user not just the exception, so I would rather see this as missing functionality. Simply use another graphics format supporting more colors (BMP, JPG) to get your diagram exported.

Michael

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