Thank you Jim, Edu and Felipe for that quick solution :) I will implement this solution and post a short report to this thread - and to SO.
Nico > Jim Graham <mailto:[email protected]> > 28. August 2014 23:14 > Hi Nico, > > snapshot can set a resolution in stone, but it doesn't - in and of > itself - help with zooming that fixed resolution representation > without antialiasing. To get an aliased zoom of an image see the code > that Felipe already posted in this thread. > > To be clear, to get an aliased, zoomed pixel preview you would: > > 1. snapshot a node tree at the scale you want to preview > > 2. then use Felipe's example code to get a nearest-neighbor aliased > zoom of that snapshot > > When we offer filtering control on ImageView then the second part of > that operation would no longer be necessary. > > ...jim > > > Jim Graham <mailto:[email protected]> > 28. August 2014 01:33 > We have no plans at all for implementing "pixel preview" as a setting > on Shapes. You can do that with snapshot if you want. > > The Shape.setSmooth() setting (currently stubbed out) is meant to > control antialiasing, not rendering resolution. > > There should be similar bugs for Shape.setSmooth() and the lack of > interpolation control on GraphicsContext.drawImage() methods as well, > but I don't recall any Jira issues that deal with "pixel preview" > capabilities (again, which can be achieved via snapshot)... > > ...jim > > > Edu García <mailto:[email protected]> > 28. August 2014 00:36 > Thank you Nico and Jim. > > Also Jim, that issue only talks about ImageView IIRC. Are you going to > implement something similar for shapes? I know it's not the same, but > I wanted to show pixelated shapes as well (think about zooming in past > 100% in Illustrator with pixel preview enabled). I don't keep my hopes > up, but it's free to ask :). > > > > Jim Graham <mailto:[email protected]> > 28. August 2014 00:01 > On 8/27/14 1:04 AM, Nico Krebs | www.mensch-und-maschine.de wrote: >> Question 1: >> I don't know why setSmooth(false) doesnt work. Perhaps am i using it the >> wrong way? I set it for each ImageView object i got in my list. the >> scrollpane can`t be "unsmoothed" because of the lack of the setSmooth() >> method. >> On the other hand, it could just be a bug of JavaFX. > > I repeat: > > On 8/26/14 4:35 PM, Jim Graham wrote: >> We simply haven't implemented this yet: >> >> https://javafx-jira.kenai.com/browse/RT-28629 >> >> ...jim > > setSmooth() is not hooked up to any mechanism at all. Nothing > examines this property in the implementation (to be clear, the FX > object "passes it on" to the NG implementation object which receives > it with an empty method body). This is true of ImageView and of > Shapes... > > ...jim > Nico Krebs | www.mensch-und-maschine.de > <mailto:[email protected]> > 27. August 2014 10:04 > Hi Edu, > > short story: i built a very simple image file format: a zip file, > containing a meta.xml file and several png images. the xml defines the > position of each png in the image. this way i have a very basic > layered image file. I built the first version with Swing in JDK 7 but > switched to JavaFX8 last week. The swing-version workes and lets me > see and manipulate single pixels when i zoom. > > Question 1: > I don't know why setSmooth(false) doesnt work. Perhaps am i using it > the wrong way? I set it for each ImageView object i got in my list. > the scrollpane can`t be "unsmoothed" because of the lack of the > setSmooth() method. > On the other hand, it could just be a bug of JavaFX. > > Question 2: > i want to load the image with all it`s layers once and then be able to > zoom so far that i can see the pixels (as you can do in photoshop or > even paint). for example because i want to modify the image pixel by > pixel (think of icons, gif animations and other tiny images) > > It`s an image manipulation tool for artists, who want to do very basic > stuff like drawing single pixels, lines and do some effect magic. To > be able to do precise image manipulation manually it is indispensable > that you can work with the untouched image data. as you can in gimp, > paint, photoshop,... > > i hope I answered your questions. if not, tell me ;) > > Nico > -- Nico Krebs Michelangelostraße 1 01217 Dresden web: www.mensch-und-maschine.de mobil: 0162 / 85 89 667 mail: [email protected] skype: k-dottus icq: 324 143 104 fax: 032 12 - 11 39 77 6 twitter: nico_krebs
