[webkit-qt] 答复: [webkit-help] How to enable OpenVG in Webkit

viatcheslav.ostapenko at nokia.com viatcheslav.ostapenko at nokia.com
Wed Feb 8 07:14:44 PST 2012

Qt 4.8 has openvg engine itself: http://doc.qt.nokia.com/4.8-snapshot/openvg.html


From: webkit-qt-bounces at lists.webkit.org [mailto:webkit-qt-bounces at lists.webkit.org] On Behalf Of ext ???
Sent: Tuesday, February 07, 2012 3:10 AM
Cc: zhangdw at cn.fujitsu.com; webkit-qt at lists.webkit.org; 'Zhuang Zhigang'; webkit-help at lists.webkit.org
Subject: [webkit-qt] 答复: [webkit-help] How to enable OpenVG in Webkit

Hello Pawan,

Thanks for your reply.

I’ve ever found this web page through Google search, and it indicates that OpenVG in Webkit source
is not available. So it seems that we can’t enable OpenVG directly by implementing OpenVG as a special
paint engine like the way in Webkit source.

I am just wondering whether it is possible to enable OpenVG indirectly by treating OpenVG as a graphic
backend of already supported paint engine in Webkit, such as treating OpenVG as a backend of Cairo
which is paint engine of GTK port or as a backend of  QPainter which is paint engine of Qt port.

Do you have some experience about this topic? And can give me some advice about the feasibility of this approach?
Thanks a lot.

Best regards.

发件人: PAWAN KUMAR [mailto:pawanonly at gmail.com]
发送时间: 2012年2月7日 11:54
收件人: 陈敏华
抄送: webkit-help at lists.webkit.org; webkit-qt at lists.webkit.org; zhangdw at cn.fujitsu.com; Zhuang Zhigang
主题: Re: [webkit-help] How to enable OpenVG in Webkit

Hello Chen,

OpenVG in Webkit source is incomplete.
Its not compilable too.
I had tried this in December 2011 but in vain.

Check this link :

Best Regards
On Tue, Feb 7, 2012 at 8:10 AM, 陈敏华 <chenmh at cn.fujitsu.com<mailto:chenmh at cn.fujitsu.com>> wrote:
Hello everyone,

I'd like to ask some questions about how to enable OpenVG in Webkit, and my working version of Webkit is "WebKit-r87722".

I have noticed that there are some source codes in "WebCore/platform/graphics/openvg" directory,so it seems that Webkit has some internal support for OpenVG, but right now I don't know how to utilize these code.

So my question is:
1) Does the above mentioned code really work ? Is it possible to enable OpenVG in Webkit?
2) Does anybody know how to enable OpenVG in Webkit? Could you provide some instructions about how to compile the source or provide a build script.

Thanks in advance.

Best regards

Chen Minhua
Development Dept.III
Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
No. 6 Wenzhu Road, Nanjing, 210012, China
TEL: 86630566-615
COINS: 79955-615
FAX: 83317685
MAIL: chenmh at cn.fujitsu.com<mailto:chenmh at cn.fujitsu.com>

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