Re:JPEGs to a canvas
Quote
MCI 2000 wrote:
> Hello,
> I would like to be able to open a JPEG file and load it to the canvas of a
> PaintBox. Is there any way to do this without investing a couple Ben
> Franklins?
well, you really can't quite "load" anything to the canvas of a
paintbox - anything you draw there is going to disappear when the window's
covered and uncovered unless you redraw it. Which is why you do all the
drawing in the paintbox's OnPaint handler - that gets called when a
redraw is needed.
If you want to Draw a jpg on a paintbox's Canvas you simply say
with Sender as TPaintBox do
begin
Canvas.Draw(0,0,j);
end;
That's assuming that j is a TJPEGImage and you've already done
a j.LoadfromFile.
--
David Ullrich
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