How to Resize BMP image in C - C / C++ / MFC Discussion Boards

hellogany13-Sep-09 21:07

13-Sep-09 21:07

HI all

I am using vs2005, I need to develope application in vc++ for retrivin data from and xml.

can anyone suggesst some ideas.

Re: Reg XML reading

Nuri Ismail13-Sep-09 21:20

Nuri Ismail

13-Sep-09 21:20

Here on CP there are a lots of articles about XML parsers -> here[^]

Regards
Nuri Ismail

Re: Reg XML reading

kilt14-Sep-09 2:14

kilt

14-Sep-09 2:14

No, useless.
Simply use built-in Win32 XML apis (COM, SAX, and others)
Tons of samples in MSDN in C and C++

Re: Reg XML reading

Nuri Ismail14-Sep-09 3:32

Nuri Ismail

14-Sep-09 3:32

kilt wrote:
No, useless.

I don't think so! These articles, from the link I gave, were (and still are) very useful for me! Smile | :)

The next time think again before determining the hardworking people's great contributions (in this case - over 30 articles about XML, here on CP) as useless!!!

You might be a very "constructive" person! I can see your "huge contribution" in your posts[^].

Regards

Re: Reg XML reading

David Crow14-Sep-09 4:08

David Crow

14-Sep-09 4:08

Nuri Ismail wrote:
You might be a very "constructive" person!

That's the last adjective I'd use to describe him.

"Old age is like a bank account. You withdraw later in life what you have deposited along the way." - Unknown

"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

Re: Reg XML reading

Nuri Ismail14-Sep-09 4:19

Nuri Ismail

14-Sep-09 4:19

Absolutely! Thumbs Up | :thumbsup:

I saw a great "effort" and "clarity" in his posts, so I couldn't resist to be a little bit sarcastic. Smile | :)

Regards
Nuri Ismail

Re: Reg XML reading

CPallini14-Sep-09 10:36

CPallini

14-Sep-09 10:36

kilt wrote:
Simply use built-in Win32 XML apis (COM, SAX, and others)

These are as built-in as the CP articles. Roll eyes | :rolleyes:

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.

This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke

[My articles]

How to Resize BMP image in C

LoveneetSingh13-Sep-09 20:52

LoveneetSingh

13-Sep-09 20:52

Hello Coder
Am new in graphics
can u plz help me to resize .bmp image by factor 2 or 3 or 4.

Re: How to Resize BMP image in C

CPallini13-Sep-09 21:06

CPallini

13-Sep-09 21:06

There are several ways.
My DLL [^], for instance, provide resizing without too much quality loss.
Smile | :)

Re: How to Resize BMP image in C

Nuri Ismail13-Sep-09 21:07

Nuri Ismail

13-Sep-09 21:07

You beat me with about 10 seconds. Big Grin | :-D

Re: How to Resize BMP image in C

CPallini13-Sep-09 21:31

CPallini

13-Sep-09 21:31

Nuri Ismail wrote:
You beat me with about 10 seconds.

Thank you man for remembering my article Blush | :O

Re: How to Resize BMP image in C

LoveneetSingh14-Sep-09 4:20

LoveneetSingh

14-Sep-09 4:20

thx for reply but i dont have any idea abt dll file.

Re: How to Resize BMP image in C

CPallini14-Sep-09 7:42

CPallini

14-Sep-09 7:42

LoveneetSingh wrote:
thx for reply but i dont have any idea abt dll file.

See (as software developer you need to know about DLLs...), for instance [^].

My DLL comes with a sample application and, of course, source code is provided as well.

Re: How to Resize BMP image in C

Nuri Ismail13-Sep-09 21:06

Nuri Ismail

13-Sep-09 21:06

You can use CPallini's DLL. Here is the article Plain C Resampling DLL[^]. Smile | :)

Regards
Nuri Ismail

Re: How to Resize BMP image in C

kilt14-Sep-09 2:12

kilt

14-Sep-09 2:12

You absolutely don't need any dll (!)
Just use basic gdi or gdi+

Re: How to Resize BMP image in C

David Crow14-Sep-09 3:46

David Crow

14-Sep-09 3:46

kilt wrote:
Just use basic gdi or gdi+

Which requires one or more DLLs. Roll eyes | :rolleyes:

Your posting style is deplorable. Since you never have anything positive or useful to say, why bother? Go play someplace else.

Re: How to Resize BMP image in C

LoveneetSingh14-Sep-09 4:25

LoveneetSingh

14-Sep-09 4:25

What is Basic GDI or GDI +

Re: How to Resize BMP image in C

Richard MacCutchan14-Sep-09 7:11

Richard MacCutchan

14-Sep-09 7:11

The Windows system for displaying graphical information. GDI(Graphic Device Interface) provides basic functions, and GDI+ some advanced features. Take a look at the documentation on MSDN for full details.

Re: How to Resize BMP image in C

CPallini14-Sep-09 7:43

CPallini

14-Sep-09 7:43

Windows programming without DLLs? you're joking, Mr.Kilt... Big Grin | :-D

Showing images in the dialog box

Game-point13-Sep-09 20:11

Game-point

13-Sep-09 20:11

Hi

how to showing the images in the dialog box ...??

~~~~~~~~~~~~~Raju~~~~~~~~~~~~~

Re: Showing images in the dialog box

Code-o-mat13-Sep-09 20:31

Code-o-mat

13-Sep-09 20:31

There can be several ways, use a picture control, handle WM_ERASEBKGND or WM_PAINT and blit the image yourself, write your own picture-control-like control...if this is not enough for you to get started with it, give more details about what you want because it is hard to guess your specific needs.

> The problem with computers is that they do what you tell them to do and not what you want them to do. <
> Sometimes you just have to hate coding to do it well. <

Re: Showing images in the dialog box

CPallini13-Sep-09 20:33

CPallini

13-Sep-09 20:33

What about documentation [^]?
Smile | :)

change message handler prototype's name

Sujay chakraborty13-Sep-09 19:44

Sujay chakraborty

13-Sep-09 19:44

hello everyone,

This is a kind of strange question but it just got stuck to me this morning while writing my MFC application. Every time we define a message macro in MESSAGE MAP, we use default prototype for handling that message, i.e. for handling WM_CHAR() message we have OnChar() handler, what i want to know is whether there's a way change this default handler and provide our own message handler, with our defined name..........
I know we can work around this by calling our defined function in the default message handler but what i want is i don't want to mention the default handler in my application code.

your help is highly awaited........ thanks in advance

Regards

Re: change message handler prototype's name

Adam Roderick J13-Sep-09 20:21

Adam Roderick J

13-Sep-09 20:21

Yes you can add your own message handler for that.

Firstly remove OnChar() function from MESSAGE MAP and remove all entries related to it.
then
just add the ON_MESSAGE for WM_CHAR in .cpp file

BEGIN_MESSAGE_MAP(CMDI_CharView, CEditView)
//{{AFX_MSG_MAP(CMDI_CharView)
//}}AFX_MSG_MAP
ON_MESSAGE( WM_CHAR, MyOnCharMessageHandlerFunction )
END_MESSAGE_MAP()

and in .h file add your message handler function.
protected:
//{{AFX_MSG(CMDI_CharView)
//}}AFX_MSG
afx_msg void MyOnCharMessageHandlerFunction (UINT nChar, UINT nRepCnt, UINT nFlags);
DECLARE_MESSAGE_MAP()
Smile | :)

Величие не Бога может быть недооценена.

Re: change message handler prototype's name

Naveen13-Sep-09 20:31

Naveen

13-Sep-09 20:31

ARJ 09 wrote:
afx_msg void MyOnCharMessageHandlerFunction (UINT nChar, UINT nRepCnt, UINT nFlags);

Just a correction...

The handler of the ON_MESSAGE should be in the format

LRESULT MyOnCharMessageHandlerFunction(WPARAM wParam, LPARAM lParam);

nave

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