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jrpcguru
USA
254 Posts |
 Posted - Apr 24 2019 : 17:58:39
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I just realized that my program was using the deprecated versions of Copy/Cut/Paste, so I decided to update to your current versions. Then I discovered that my program would no longer paste into a selection. I retested an older version of my program and it still pastes into a selection.
So I tried the PhotoEn demo program. It has a paste to selection or Paste to Rect option on the menu. (ActiveMDIChild as TMDIChild).ImageEnView1.Proc.PasteFromClipboard(iecpSelection);
I've also tried in the demo: ImageEnView1.Proc.PasteFromClipboard(iecpSelection,true,true,false); //maintain aspect ratio
ImageEnView1.Proc.PasteFromClipboard(iecpAuto);
With D10.3 and XE2 the demo does not work any more. Is it possible something has gone wrong with pasting to a selection? If it makes any difference, I'm trying to paste an image from win 10 snipping tool, which works if I don't have a selection.
Further update: if the image on the clipboard came from ImageEn, paste to selection works. But not if the image came from the snipping tool.
J.R. |
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xequte
38196 Posts |
Posted - Apr 28 2019 : 17:51:53
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Hi JR
I cannot reproduce that:
1. Make a selection in the PhotoEn demo
2. Copy a window using the Snipping Tool
3. Click a button which calls: ImageEnView1.Proc.PasteFromClipboard(iecpSelection);
It pastes to the selection box as expected. Can you give me more info?
Nigel
Xequte Software
www.imageen.com
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jrpcguru
USA
254 Posts |
Posted - Apr 28 2019 : 19:42:50
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After more testing, here is some useful info:
If my sample image is a JPG, then I can paste into a selection regardless of whether the source image is an ImageEn selection to clipboard or a Snipping Tool image.
I was using several TIF files as my original sample images and paste to selection failed. Then I realized the sample TIFs were B&W, not color. A color TIF worked correctly. If I use ImageEn to copy a selection from the B&W TIF, it pastes back into a selection as expected. But apparently the Snipping Tool creates a color image, even when snipping from the B&W TIF image, since it does not paste into a selection.
So I guess the question is whether that is the intended behavior? Would it be worth having some useful error message if it can't paste a color image into a selection on a B&W image? Or should it convert to B&W and paste into the selection?
If there is no selection, then the entire B&W TIF is replaced by the color image from the clipboard.
J.R. |
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xequte
38196 Posts |
Posted - Apr 29 2019 : 01:00:44
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You're right. That's a bug. For 8.5.1, it will match the pixel format of the destination.
Email me for updated source.
Nigel
Xequte Software
www.imageen.com
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possible problem with pasting into image selection
