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Antonio Farfan
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 Posted: Wed Jul 09, 2003 10:50 am Post subject: Resize a BMP, JPEG, GIF |
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Are there any function to resize (reduce for example a image) an image from
the code?
Thanks very much.
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Steve_Aletto
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| Posted: Wed Jul 09, 2003 12:56 pm Post subject: R: Resize a BMP, JPEG, GIF |
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Antonio Farfan <amfm0777 (AT) hotmail (DOT) com> wrote in message
[email]3f0bf260 (AT) newsgroups (DOT) borland.com[/email]...
| Quote: | Are there any function to resize (reduce for example a
image) an image from
the code?
|
Among all the solutions, you could use StretchDraw method of
TCanvas. Here is an easy and fast written approach:
TImage *MyImage1 = new TImage(this);
TImage *MyImage2 = new TImage(this);
MyImage1->AutoSize = true;
MyImage1->Picture->LoadFromFile("c:\test.bmp");
MyImage2->Width = MyImage1->Width / 2;
MyImage2->Height = MyImage1->Height / 2;
MyImage2->Canvas->StretchDraw(Rect(0, 0,
MyImage2->Width, MyImage2->Height),
MyImage1->Picture->Graphic);
MyImage2->Picture->Bitmap->SaveToFile("c:\test_resized.bmp"
);
delete MyImage1;
delete MyImage2;
It works with bitmaps, but it can easily be adapted for
jpegs. GIF isn't natively supported by BCB.
HTH,
Steve.
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