Hi Jeremias, This is perfect. Setting dpi now works as I would expect it to.
Many, many thanks, Martin Polley On Jan 8, 2008 11:06 PM, Jeremias Maerki <[EMAIL PROTECTED]> wrote: > I see. When I tried something I stumbled over the same thing I noticed > once before: Increasing the resolution for any ImageTranscoder > descendent does not have any effect on the number of pixels of the image > generated, although the resolution is correctly saved in the generated > PNG file. The attached patch made against Batik Trunk, however, should > fix this problem. But it's not well tested and could have unwanted > side-effects. > > On the rasterizer, you can use the "-dpi" parameter to set a different > resolution. If you use the Transcoder API, that would be the > SVGAbstractTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER key. > > Increasing the resolution will increase the number of pixels but not the > image's natural size. But browsers generally ignore the resolution > setting so this should actually help you. Well, at least I hope so. > > > On 07.01.2008 17:11:36 Martin Polley wrote: > > Hi Jeremias, > > > > I guess my original post was a little lacking in clarity :) > > > > I produce two kinds of documentation deliverable from the same source files > > (and using the same SVGs) -- PDF and XHTML. In the PDFs, the SVGs are indeed > > passed through, so they are embedded as vector images, with zoomability, > > etc. > > > > But for XHTML, I need the SVGs to be rasterized as PNGs. (Most readers in my > > company only have IE without an SVG plugin.) This is where my problem lies, > > as currently, the text in the PNGs is too small. If I make the SVG image > > bigger, it will not fit onto the page in the PDF version. > > > > Any ideas? > > > > Thanks, > > > > -- > > Martin Polley > > Technical Communicator > > +972 52 3864280 > > <http://capcloud.com/> > > > > > > On Jan 7, 2008 5:43 PM, Jeremias Maerki <[EMAIL PROTECTED]> wrote: > > > > > How are the PDFs generated? If they are generated by Apache FOP you > > > should try if you cannot just pass through the SVG in which case they > > > are embedded as vector images. That way you can zoom in all the way you > > > want without making the images any bigger. Just a thought. > > > > > > On 06.01.2008 11:09:14 Martin Polley wrote: > > > > Hi there, > > > > > > > > I have a set of images that I am rasterizing using Batik. (The SVG > > > > images are referenced by DITA XML documents that are processed using > > > > the DITA Open Toolkit with a plugin that calls Batik to rasterize the > > > > SVGs (using the Rasterizer Ant task).) > > > > > > > > My problem is that several images are large flowcharts. When I > > > > rasterize them at their current size, the text is too small to read. I > > > > could simply increase the size of the SVG images, but the same XML > > > > sources (and SVG files) are also used to create a PDF version of the > > > > document. If I make the images any bigger, they will not fit on the > > > > PDF page. (In PDF, it does not matter that they are small--readers can > > > > just zoom in.) > > > > > > > > Is there anything I can do (in terms of Batik parameters) to increase > > > > the size of my images? > > > > > > > > I don't mind increasing the size of all my images by the same amount > > > > (though this is not ideal). The only thing I have tried that changes > > > > the size of the rasterized images is to explicitly specify width, but > > > > then all my images (even the smallest ones) come out at the same > > > > width. I have tried changing the DPI parameter, but this has no effect > > > > on the size of the rasterized images. > > > > > > > > The only other approach I can think of would be to apply an XSLT > > > > transform to the SVGs before they get rasterized, but I think this is > > > > a little beyond my meager XSLT skills. > > > > > > > > Thanks in advance, > > > > > > > > -- > > > > Martin Polley > > > > Technical Communicator > > > > +972 52 3864280 > > > > <http://capcloud.com/> > > > > > > > > Jeremias Maerki > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
