[birt-dev] Checkin: fixed bugzilla #179431 [Automation]Chart background

["David Michonneau" <dmichonneau@xxxxxxxxxxx>]

- Summary:
fixed bugzilla #179431 [Automation]Chart background color issue[0602]

- Bugzilla Bug (s) Resolved:
179431

- Description:
Output types that do not support transparency will use white to render the transparent color (instead of black)

- Tests Description :
Visual tests

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:

- Notes to Documentation:

- Files Edited:

org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/image/BmpRendererImpl.java /org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/image/JavaxImageIOWriter.java /org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/image/JpegRendererImpl.java /org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/image/PngRendererImpl.java

- Files Added:

- Files Deleted