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Layers in ImageenView with PDF

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T O P I C R E V I E W
tiagosis	Posted - Jul 16 2021 : 11:17:59 hi, I'm using 10.0.1 to work with PDF in ImageenView, but my routines that used to work applying layers over imageemview stopped working when imageenview.pdfview.enabled := true; how to solve this? tiago
7 L A T E S T R E P L I E S (Newest First)
xequte	Posted - Jul 21 2021 : 18:55:52 Hi Tiago In this method, ImageEn rasterizes the PDF to bitmap, so ensure you are loading at reasonable size to maintain quality. Either call LoadFromFilePDF() directly passing a size as parameters: https://www.imageen.com/help/TImageEnIO.LoadFromFilePDF.html Or set the AutoScaleImport properties: https://www.imageen.com/help/TIOParams.AutoScaleImport.html Also, ensure that you have specified a zoom filter: ImageEnView1.ZoomFilter := rfLanczos3; Nigel Xequte Software www.imageen.com
tiagosis	Posted - Jul 21 2021 : 17:23:48 I tried the solution indicated by you, but when I open the pdf using "loadfromfilepdf", imageenview distorts the PDF image making the printout illegible, how can I get around this? below is a screenshot of how it looks in imageenview. tiago
xequte	Posted - Jul 20 2021 : 16:58:06 No, that would create an unwieldy bitmap. PDFViewer puts ImageEnView into a special display mode. Layers are not possible. This is outlined in the documentation. Nigel Xequte Software www.imageen.com
tiagosis	Posted - Jul 20 2021 : 09:44:35 if i do this will all pages of my pdf be displayed? tiago
xequte	Posted - Jul 20 2021 : 00:09:09 Hi Tiago If you are looking to adorn a PDF page with arrows, etc, then don't enable ImageEnView.PDFViewer. Instead just load the PDF page as a bitmap (ImageEnView.IO.LoadFromFilePDF). Then all the normal layer functionality will work. Nigel Xequte Software www.imageen.com
tiagosis	Posted - Jul 19 2021 : 08:45:15 I really need you to point me something in the sense of layer that works with PDF, we have a routine that works by dropping an image with layer over imageen and we can't give it up. tiago
xequte	Posted - Jul 16 2021 : 15:36:32 Hi Tiago Yes, PDFViewer is not intended to be used with layers. Can you tell me more about what you are looking to do? Nigel Xequte Software www.imageen.com