IMPORTANT: Always remember to add pngimage to the unit uses. Delphi Drag Drop image conversion Bonjour, jai écris sa pour récupérer une image au format jpg et png dans une autre form lorsque un utilisateur glisse une image au format png, jpg ou bmp sur un un TImage, mais il faut utiliser un TPanel pour gérer le glisser déposer ou alors jai zappé un truc. TPNGObject provides flexibility by allowing to convert from a Bitmap file format to Portable Network Graphics format.This is easily done like in the same way as any graphic class in delphi. It’s easy to create well-maintained, Markdown or rich text documentation alongside your code.Sign up for free See pricing for teams and enterprises bmp ?Įvery project on GitHub comes with a version-controlled wiki to give your documentation the high level of care it deserves. Obviously I'm doing something wrong but I've tried everything I can think of to no avail!ĭoes anyone have the answer that has eluded me? The same unit is able to render any GDI metafile with anti-aliasing: you write on a regular TCanvas, then it's drawn with anti-aliasing using GDI+. It will call the GdiPlus.dll library, which is available since Windows XP. bmp file but when I load a jpg, png or gif, although I can properly display the loaded image (by putting the picture into a visible Timage, I can't access the bitmap that I need to pass to my AddBitMap procedure. The small Open Source SynGdiPlus library is able to load and save gif, tiff and png pictures. I have the following code in a Delphi procedure.
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