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Date Posted: 06:40:54 09/19/03 Fri
Author: Michel
Subject: Re: Crop Question
In reply to: Mike Haiss 's message, "Re: Crop Question" on 14:32:27 09/18/03 Thu

Hi Mike,

Just from the code it looks fine. The only thing I can see is that sometimes the Rect parameter contains invalid values.

Best regards,


>Ok, I was wondering if you could explain this.
>The following code works on some images and doesn't on
>others. The ones it does not work on it will crop
>right on the second try, but the first crop you
>attempt is always wrong. Any ideas?
>Code is as follows....
>void __fastcall TForm1::ImageScrollBox1QuickSelect(
> const TImageScrollBox *Sender, const DibGraphic
> *Graphic, const TRect &Rect){
> TCropTransform *transForm = new TCropTransform;
> transForm->CropMode = cmExtractRect;
> transForm->Top = Rect.Top;
> transForm->Bottom = Rect.Bottom;
> transForm->Left = Rect.Left;
> transForm->Right = Rect.Right;
> transForm->Apply(ImageScrollBox1->Graphic);
> ImageScrollBox1->Redraw(true);
> delete transForm;
>Thanks for your time.
>>Hi Mike,
>>You should use the mmSelect mouse mode instead of
>>Then when a selection is active you can use,
>>(ImageScrollBox.MouseHandler as
>>This will give you the coordinates of the selected
>>Best regards,
>>>I want to crop a tiff image loaded in an
>>>ImageScrollBox using the mmQuickSelect mouse mode to
>>>select the area.
>>>Is there an easy way to calculate the number of
>>>the Select box/rubberband is from the edge of the
>>>Using C++ Builder 5

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