Rounded corner service fails with 0 byte image buffer.
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Key: TAPESTRY-1706
URL: https://issues.apache.org/jira/browse/TAPESTRY-1706
Project: Tapestry
Issue Type: Bug
Components: Contrib
Affects Versions: 4.1.2
Environment: MacOS X 10.4
Reporter: Kevin J. Menard, Jr.
An image with a background color will fail to be created properly. The problem
appears to be in the call to ImageIO.write(), which does not put anything into
the byte buffer.
The following works:
http://localhost:8080/rounded?c=blue&w=20&h=20&shadow=false&a=tl
A simple, rounded corner is produced in blue.
The following fails:
http://localhost:8080/rounded?c=blue&bc=red&w=20&h=20&shadow=false&a=tl
The only addition in the failing case is a non-transparent background color.
The logged message is the following:
23:55:17.230 ERROR! [SocketListener0-0]
org.apache.tapestry.contrib.services.impl.RoundedCornerService.service(RoundedCornerService.java:138)
>42> Image generated had zero length byte array from parameters of:
[color:blue, bgColor:red, width:20, height:20, angle:tl, shadowWidth:-1,
shadowOpacity:-1.0, side:null, wholeShadow: false, arcWidth: -1.0,
arcHeight:-1.0
image: [EMAIL PROTECTED]: type = 1 DirectColorModel: rmask=ff0000 gmask=ff00
bmask=ff amask=0 IntegerInterleavedRaster: width = 20 height = 20 #Bands = 3
xOff = 0 yOff = 0 dataOffset[0] 0
Note that if the service code is modified such that the type is forced to PNG,
then the second example does render properly (red background and all).
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