Richard S. Posted July 16, 2018 Share Posted July 16, 2018 Hi everyone, I have probably around 100 png files, which have a transparent background with a small black grunge stain in the middle. When I import or place these files into Designer or Photo (6th generation 2018 iPad 9.7 inch), they have a white background, which means I keep having to set the blend mode to multiply, in order to make the white background disappear. Can anyone explain why they open ok in Photoshop with a transparent background, but Designer and Photo insist on making the background white? Am I doing something wrong, or does Designer and Photo not support transparency for some reason? Any help in solving this issue is appreciated. Thank you all in advance. Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Alfred Posted July 16, 2018 Share Posted July 16, 2018 What’s the colour/bit depth of these files? Can you share an example here? Quote Alfred Affinity Designer/Photo/Publisher 2 for Windows • Windows 10 Home/Pro Affinity Designer/Photo/Publisher 2 for iPad • iPadOS 17.4.1 (iPad 7th gen) Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 No idea - how do I find out the bit depth? Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Staff MEB Posted July 16, 2018 Staff Share Posted July 16, 2018 Hi DesignMeister, Do you mind attaching one of those files here please? I can provide you an upload link if you wish to keep it private. Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
Alfred Posted July 16, 2018 Share Posted July 16, 2018 Come to think of it, I’m not sure I don’t know how you find out the bit depth on an iPad! Quote Alfred Affinity Designer/Photo/Publisher 2 for Windows • Windows 10 Home/Pro Affinity Designer/Photo/Publisher 2 for iPad • iPadOS 17.4.1 (iPad 7th gen) Link to comment Share on other sites More sharing options...
Staff MEB Posted July 16, 2018 Staff Share Posted July 16, 2018 DesignMeister, Alfred, Regarding bit depth, go to menu Document ▸ Convert Document. Look at the context toolbar on bottom (Colour Space). Alfred 1 Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 Oh dear, I just tried a few other images and the transparency is working fine. I think these 100 or so files must actually have a white background - I must have forgotten to remove it in photoshop Therefore, my question now needs to be - is there a way to remove the white background, without having to set the bond mode to multiply? I will open each file separately, but have no idea how to turn the white background transparent ;( Arghhhhhhhh Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
carl123 Posted July 16, 2018 Share Posted July 16, 2018 If you have Affinity Photo (desktop/mac) you may be able to batch process using a macro to remove the white backgrounds but unable to tell for sure unless you upload one or 2 of them Quote To save time I am currently using an automated AI to reply to some posts on this forum. If any of "my" posts are wrong or appear to be total b*ll*cks they are the ones generated by the AI. If correct they were probably mine. I apologise for any mistakes made by my AI - I'm sure it will improve with time. Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 Only have Photo and Designer on an iPad at the moment. I have 58 files which need the white background converted to transparent, so I am happy to open up each individually, but I don’t know how to make the white transparent?? Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Staff Gabe Posted July 16, 2018 Staff Share Posted July 16, 2018 @DesignMeister, you can use the flood select tool from Selection Persona to select all the white and then go back to the Photo persona, tap on the 3 dots on the top left corner > Pasteboard > Cut Richard S. 1 Quote Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 I will try that. The files are stored on iCloud, so I would like to open them from iCloud, make the edit, then save them back to iCloud overwriting them. Is it best to OPEN from iCloud or IMPORT from iCloud, in order to overwrite the original files? Thank you for your help! Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Staff Gabe Posted July 16, 2018 Staff Share Posted July 16, 2018 Open will overwrite the original file, while Import won't overwrite it. Quote Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 Thanks. Im having serious trouble getting used to this touch ui. I have opened the image, changed to the selection persona, then tapped on the flood selection tool. However, I have tried tapping on the white area, and also dragging my finger over the white area, but nothing happens? Plus, besides that problem, I can also not see any delete button anywhere? Things are so much easier on a desktop Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Staff MEB Posted July 16, 2018 Staff Share Posted July 16, 2018 Hi DesignMeister, Make sure the layer is selected in the Layers panel and that the Mode in the context toolbar on bottom is set to New. Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 I only have one layer, called background, which is the file I am trying to edit. Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 Ok, I think the file I was trying to edit was a bit too complex, as it was a dust file, and a bit hard to disguinguish between the white background and the grey dust. I have just opened a different file in Photo, which is almost all white with a solid black splurge in the center. I now have all the white selected, but I can’t find a delete button anywhere, apart from the layer’s trash can icon Hellllllllllllpppppp meeeeeee Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Staff MEB Posted July 16, 2018 Staff Share Posted July 16, 2018 Hi DesignMeister, Tap the screen quickly with two fingers simultaneously to display a pop-up menu and select Delete (make sure the layer is selected first). You can also use Blend ranges to remove the white from difficult images like the dust image you mentioned. Select that layer, tap the ellipsis icon on the top of the Layers Studio then tap the Source square on bottom. Tap over the graph line near the right end to add an additional node to the graph then drag the end node on the right to the bottom to remove the white. Adjust node's positions as necessary to refine the removal of the white/transparency around the edges. Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 This is what I get Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Staff Gabe Posted July 16, 2018 Staff Share Posted July 16, 2018 You have to switch over to the Photo Persona MEB 1 Quote Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 Ouch! Ok, I have finally managed to remove the white One last question, It makes sense to now make the canvas smaller, so that it is just around the small black splodge. I have clicked on the document icon at the top left, then on resize, but I do not get any resize handles to make the canvas smaller. I can see the 2 dials which are for resizing, but when I change them, I cannot see the canvas resizing, so it is impossible to see when the canvas is small enough. So near, yet so far Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Staff Gabe Posted July 16, 2018 Staff Share Posted July 16, 2018 You can clip the canvas using File > Canvas > Clip Canvas. Also, make sure you have transparent canvas from the same menu. Quote Link to comment Share on other sites More sharing options...
Richard S. Posted July 16, 2018 Author Share Posted July 16, 2018 This is absurd, I feel like crying. When I select File > Canvas > Clip Canvas, absolutely nothing changes. No resize handles, no dials, nothing. When I click on transparent canvas from the same menu, the background goes back to white again. Screeeeeeeeeeeeeaming Quote High-End Photographic Prints Link to comment Share on other sites More sharing options...
Staff Gabe Posted July 16, 2018 Staff Share Posted July 16, 2018 Have a look: Quote Link to comment Share on other sites More sharing options...
Wosven Posted July 16, 2018 Share Posted July 16, 2018 Hi, If you've got APhoto, why not use the filter color > remove white paper if it's available (I only use desktop apps). Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted July 16, 2018 Staff Share Posted July 16, 2018 Hi Wosven, This is also available on iPad, however that filter will also turn grey areas of the image in semi-transparent areas which may not be desirable. This filter is mostly intended to remove white from hand drawings/sketches. Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
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