<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> Hi, <div class="moz-cite-prefix">Tomaž Vajngerl 於 2023/8/31 03:13 寫道: </div> <blockquote type="cite" cite="mid:CA+Ev6_ZSxhkpUyHqhOWc3qVGKd=mvGuaLhPv2JqfL1dr2MAKbA@mail.gmail.com"> <pre class="moz-quote-pre" wrap="">Hi, On Tue, Aug 29, 2023 at 9:09 AM Lodev <a class="moz-txt-link-rfc2396E" href="mailto:lodev@ossii.com.tw"><lodev@ossii.com.tw></a> wrote: </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">Sorry if I'm asking a stupid question here. First, I've never seen or used a document with "multiple instances that all point to the same image in the document". </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> That's easy - drag the image while holding ctrl and drop. It will make a copy of the Graphic, but it still references the same instance and you can resize each one independently. If you save the document there will be only one image saved.</pre> </blockquote> Thanks. <blockquote type="cite" cite="mid:CA+Ev6_ZSxhkpUyHqhOWc3qVGKd=mvGuaLhPv2JqfL1dr2MAKbA@mail.gmail.com">And I take "the image in the document" or "The <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">size the image takes up in the document" seems to be the "Apparent dimensions", 4.24" in this case. Is it? </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> Yes - the document has a size and combined with the size of the image (in the document, not what it is set in SVG) you can calculate the actual needed DPI relative to the document. </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">That is, even if there are multiple images in this document which the source is the same one (I still don't know how to do that), shouldn't it be calculated regarding to the "Apparent dimensions" here? I mean, after all, that is what user set in the document. </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> That's the point - what is important is the size of the image in the document, not what the size is the SVG image. </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap=""> Since the image shown in the document is actually 4.24"x4.24", while the original svg file is 0.21"x0.21, shouldn't it be 20 times (4.24/0.21 ~= 20) DPI, that is, 96*20 = 1920 sent to xBitmap()? </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> Yes, that seems correct. But this is only for this case - another case would need another factor. For example if you resize the image in the document to 0.42 x 0.42, you would use the factor 2. </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">We tried to set Size(20,20) to get aDPI, or directly set aDPI to (1920,1920), they both ended up 4.24"x4.24" with 99DPI, which is good enough. Do you think it a reasonable thought? </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> That's only for this image where 20 is correct - you would need another number calculated per image. Also use a constant DPI factor as I already said at the beginning, not the size of the output device. </pre> </blockquote> <blockquote type="cite" cite="mid:CA+Ev6_ZSxhkpUyHqhOWc3qVGKd=mvGuaLhPv2JqfL1dr2MAKbA@mail.gmail.com"> <blockquote type="cite"> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">So you will need to first find the place where conversion for the embedded PNG and properly calculate the size at that place - not inside this method. </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> The size should be the Apparent dimensions, since in the document it was set to that size. That's what we thought. </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> Yes - it needs to be the size in the document, not the size of SVG. </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">BTW, if so, how can we get the Apparent dimensions in this method? </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> You will have to set it from the outside as a parameter - as it depends on the image and here you don't have the information.</pre> </blockquote> So, that's what we thought - to calculate the necessary DPI by Apparent dimensions every time we export to docx. Could you please give us some hint about where to get the Apparent dimensions? It's not very trivial to us. We'd like to give it a try to provide a patch for this issue. Thanks for your help, Dev </body> </html>