[webkit-dev] Question about return values of RenderObject:localToAbsolute()

xunxin wanxunxin at gmail.com
Tue Jun 9 23:38:16 PDT 2009

On Wed, Jun 10, 2009 at 1:47 PM, Lucius Fox <lucius.fox08 at gmail.com> wrote:

> Hi,
> I use the dumpRenderTree to dump out the absolute co-ordinates of the
> Render Tree of www.google.com. I put the absolute x, y result at the
> end marked by "{" and "}".
> And www.google.com, the first text is 'Web" followed by "Images"
> followed by "Video" followed by "Maps".
> But what I don't understand is (from the output below), all the
> absolute coordinates of those text are x = 8.0 and y = 3.0.  But
> visually, they are next to each other horizontally. So the y values
> should be the same but the x values should be different.  Can someone

please help me understand the result?

You need add renderText's relative x. such as:

        IntRect linesBox = text->linesBoundingBox();
        FloatPoint absPos = text->localToAbsolute();
        int posX = lineBox.x() + absPos.x();
        int posY = lineBox.y() + absPos.y();
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