Am 26.06.2022 um 00:14 schrieb Luca Olivetti via lazarus:
First observation after installing VampyreImagingPackageExt (the other package, VampyreImagingPackage, has no registration unit): I add TImage to a form and load the Lazarus "paw" to it. Works fine at designtime, but at runtime the image is empty. As the OP already noted Vampyre's TImagingPNG class is not found. This is because the Vampyre formats are registered only at designtime, but not at runtime of a project.It doesn't even work at designtime (see above).
Try attached demo project. The "paw" image was inserted into a TImage after installation of Vampyre. All I had to do to get it working is to add Vampyre to the project requirements and to add ImagingComponents to the uses clause (or check the box "Add package unit to uses section" in the package options, then the formats will be registered for runtime automatically).
Please note: I am not talking about the clipboard here, in fact I did not even investigate this because this is a different issue.
<<attachment: vampyre_paw.zip>>
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