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Ami
Guest
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 Posted: Mon May 21, 2007 8:10 am Post subject: TImage->Width and TImage->Picture->Width |
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Hi, what is the different between -
TImage->Width
and
TImage->Picture->Width ?
I set "TImage->Width" to the size that I want, but when I try to
save it to file -
TImage->Picture->SaveToFile( SavingPath );
the result file is Larger than the size that I set! when I
checked in the debuger I noticed that "TImage->Picture->Width"
is larger than "TImage->Width", why does it happen? and how can
I fix it so that the saved BMP file will be in the size that I
set in the "TImage->Width"? (which is the size that I see on the
form)
Thanks. |
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Remy Lebeau (TeamB)
Guest
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| Posted: Mon May 21, 2007 1:19 pm Post subject: Re: TImage->Width and TImage->Picture->Width |
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"Ami" <Ami123 (AT) hotmain (DOT) com> wrote in message
news:465145d0$1 (AT) newsgroups (DOT) borland.com...
| Quote: | Hi, what is the different between -
TImage->Width
and
TImage->Picture->Width ?
|
The first is the width of the TImage itself. The second is the width
of the image that the TImage contains. The two are not the same. A
TImage can contain an image that is a different size than what the
TImage is set to display. TImage can display the image as-is, or it
can display the image stretched to fit TImage's size.
| Quote: | I set "TImage->Width" to the size that I want, but when I
try to save it to file -
TImage->Picture->SaveToFile( SavingPath );
the result file is Larger than the size that I set!
|
All you are setting is the TImage's display size. That has no effect
on the underlying image that is being displayed/saved. When you save
the Picture, you are saving the actual image itself, not the TImage.
| Quote: | when I checked in the debuger I noticed that
"TImage->Picture->Width"
is larger than "TImage->Width", why does it happen?
|
Because it can. The two sizes have nothing to do with each other.
| Quote: | how can I fix it so that the saved BMP file will be in the size that
I set in the "TImage->Width"? (which is the size that I see on the
form)
|
You have to allocate a separate bitmap of the desired size and then
copy/stretch the original bitmap to it. That has nothing to do with
TImage.
Gambit |
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Ami
Guest
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| Posted: Mon May 21, 2007 3:01 pm Post subject: Re: TImage->Width and TImage->Picture->Width |
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Thanks very much!  |
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