<AWT Dev>  Review request for 8014212: Robot captures black screen
alexander.zvegintsev at oracle.com
Mon Jul 27 17:35:31 UTC 2015
Please see the updated version:
robot makes shot of intersection of provided rectangle with root window.
Old robot implementation works for negative x and y,
but may return garbage outside of root window behavior, so it was
ShapeNotSetSometimes reduced iteration count to prevent killing by jtreg
TranslucentJAppletTest updated to use getPixelColor() directly.
On 07/24/2015 07:08 AM, Sergey Bylokhov wrote:
> Hi, Alexander.
> I am not sure that an assumption that we should not make a screen shot
> if the x and y are negative is correct. I guess that we should take a
> screenshot of the intersection of the requested area and the display.
> Can you also check this comment in the TranslucentJAppletTest.java:
> 106 // unfortunately, robot.getPixelColor() doesn't work for
> some unknown reason
> 107 // Color newColor2 = r.getPixelColor(200, 200);
> On 23.07.15 19:37, Alexander Zvegintsev wrote:
>> please review the fix
>> for the issue
>> This fix trying to use gdk_pixbuf_get_from_drawable ()  to capture
>> screenshot(basic image data handling could be found here).
>> If it fails then we come back to our old method.
>> Translucency support is also covered by this fix, but there is
>> another issue with toFront() call which blocks passing of a JCK test.
>> P.S. On Solaris 11 windows appears with animation, thus sleep() call
>> was added to work around this.
>>  https://bugs.openjdk.java.net/browse/JDK-7043845 Robot should be
>> able take screenshots with translucent windows
> Best regards, Sergey.
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