C / C++ / MFC Discussion Boards

Anonymous19-Apr-05 5:47

19-Apr-05 5:47

Is there any way to stop "Press any key to continue" from showing on the MS-DOS window upon the termination of a program written in C++?

Re: MS-DOS Press any key to continue

David Crow19-Apr-05 7:06

David Crow

19-Apr-05 7:06

Run it from a command prompt rather than the IDE.

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

Re: MS-DOS Press any key to continue

Shog⁹19-Apr-05 7:10

Shog⁹

19-Apr-05 7:10

Don't run it from the IDE. The "press any key" feature is there so you can read the output of your program before the console disappears, but in a regular cmd session you'll just be back at the command prompt. In VS2005, you'll actually be able to keep the console window around between sessions.

Medication for us all
You think you know me, well you're wrong

Re: MS-DOS Press any key to continue

Anonymous19-Apr-05 7:29

Anonymous

19-Apr-05 7:29

Thanks for the Info!! Smile | :)

PDF File Generation

heman15419-Apr-05 5:19

heman154

19-Apr-05 5:19

Is there anything in the Win32 API or in MFC that I can use to create a very simple program that will convert a text file into a PDF?

Re: PDF File Generation

David Crow19-Apr-05 5:43

David Crow

19-Apr-05 5:43

None thatI know of, but there are lots of utilities you can Google for that do this.

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

Re: PDF File Generation

heman15419-Apr-05 10:44

heman154

19-Apr-05 10:44

I had already seen a few of these utilities, but I just wanted to see if there was something in an existing API that would suit my needs (something I wouldn't have to pay for to distribute w/ my other software). Looks like that isn't possible, Thanks.

Re: PDF File Generation

ThatsAlok19-Apr-05 22:20

ThatsAlok

19-Apr-05 22:20

Check is this link help

http://www.codeproject.com/tools/Text2PDF.asp[^]

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta

Keith Brown GINA Sample

Blake Miller19-Apr-05 3:36

Blake Miller

19-Apr-05 3:36

Keith Brown is working on a GINA sample.

You can read about the beginning of project here:
http://msdn.microsoft.com/msdnmag/issues/05/05/SecurityBriefs/default.aspx

He says he has a 'wiki' about it here, under Keith Brown:
http://pluralsight.com/wiki

Where's Secur32.lib located?

Chris Meech19-Apr-05 3:31

Chris Meech

19-Apr-05 3:31

I'm building some code with the following function calls

AcquireCredentialsHandle()
FreeCredentialsHandle()

I've included the header

#include <sspi.h>

which the documentation indicates, however it also says that the "Secur32.lib" library is needed to link with? While the header file is resolved okay, I can not even locate such a library file on my machine. Any thoughts on what could be not setup correctly? I'm using version 6 on Windows 2000, incidentally. Thanks.

Chris Meech

I am Canadian. [heard in a local bar]

Gently arching his fishing rod back he moves the tip forward in a gentle arch releasing the line.... kersplunk [Doug Goulden]

Nice sig! [Tim Deveaux on Matt Newman's sig with a quote from me]

Re: Where's Secur32.lib located?

YaronNir19-Apr-05 5:46

YaronNir

19-Apr-05 5:46

you must install microsoft SDK and it will be located under ..\sdk\lib

Ask not what your application can do for you,
Ask what you can do for your application

Exchange Data

javi_jmc19-Apr-05 3:09

javi_jmc

19-Apr-05 3:09

I am carrying out an ActiveX. I have a variable COLORREF in one of the page of Properties...and I want to use it in the .cpp that controls the ActiveX...how can i send this variable?

Thanks

Convert RAW data to grayscale bitmap

Abbas_Riazi19-Apr-05 2:33

Abbas_Riazi

19-Apr-05 2:33

I write a simple application for grabbing data from an special scanner. The data is RAW grayscale and I want to convert it to bitmap.
The width and height of image is known.
Is there any body can help me do this? Any suggestion, hint?

Best regards,
A. Riazi

Re: Convert RAW data to grayscale bitmap

C^hris L^osinger19-Apr-05 3:15

C^hris L^osinger

19-Apr-05 3:15

define "RAW"

Image Toolkits | Image Processing | Cleek

Re: Convert RAW data to grayscale bitmap

Abbas_Riazi19-Apr-05 20:21

Abbas_Riazi

19-Apr-05 20:21

RAW means I have pixel values. The fact is I have a grayscale image in RAW.
But I have no idea of how to create a simple image that can be viewed easily with some graphics application like ACDSee.
Every pixel is represented by 8 bits and the width and height of image is known.

Any idea?

Best regards,
A. Riazi

Re: Convert RAW data to grayscale bitmap

C^hris L^osinger20-Apr-05 1:26

C^hris L^osinger

20-Apr-05 1:26

A. Riazi wrote:
Every pixel is represented by 8 bits and the width and height of image is known.

so, you have 8-bit grayscale.

"RAW" has a pretty specific meaning - it usually refers to the unprocessed/uncompressed data that comes directly from the scanner/digicam . it's generally in an exotic colorspace, and often the pixels are scaled logarithmically. and all of this depends on the manufacturer and model of scanner/camera - every one does it differently.

if you have 8-bit grayscale, you can create a BMP file pretty easily:

1. open a file
2. write a BITMAPFILEINFO struct
3. write a BITMAPINFOHEADER struct
4. write a 256 color grayscale palette
5. write the pixel rows - in bottom-up order, with padding on the ends to ensure that each row is a multiple of 4 bytes wide

Image Toolkits | Image Processing | Cleek

Re: Convert RAW data to grayscale bitmap

Shog⁹19-Apr-05 7:13

Shog⁹

19-Apr-05 7:13

CreateBitmap()
Read the MSDN writeup before you mess with it. Pay special attention to the alignment notes - you may have to massage your data a bit first.

Medication for us all
You think you know me, well you're wrong

Re: Convert RAW data to grayscale bitmap

John Shaw19-Apr-05 7:18

John Shaw

19-Apr-05 7:18

It depends on format of the raw data.

The simpilest solution would be to write a function that reads the RAW data, one pixel at a time converting the return value to RGB. Then create a bitmap of the same size, select it into a memory DC, and copy the data to it.

// Get pixel from your raw data class
COLORREF CRawData::GetPixel(int x, int y)
{
.....
}
// Convert to bitmap
BOOL CRawData::ConvertToBitmap()
{
    if( !m_pData )
        return FALSE;

    if( m_Bitmap.GetSafeHandle() )
        m_Bitmap.DeleteObject().

    .... // creaate bitmap
    .... // create memory DC
    .... // slecect bitmap into DC
    if( something went wrong )
        .... // clean up and return FALSE

    // Copy data
    for( int y=0; y < m_nHeight; ++y )
    {
        for( int x=0; x < m_nWidth )
            dcMem.Set(x,y,GetPixel(x,y));
    }

    .... // select oldbitmap into DC
    return TRUE;
}

The above would be slow, but it is the simpilist way to do it.

Now if you want to save it to a disk file, you should look at using GDI+ or one of the articles at codeproject on working with DIBs (bitmaps).

Gool luck!

Signed John R. Shaw

Re: Convert RAW data to grayscale bitmap

Abbas_Riazi19-Apr-05 20:29

Abbas_Riazi

19-Apr-05 20:29

Hi,
Sorry that I asked you again. I have not much experience in graphics programming.
The fact is I have a grayscale image in RAW.
But I have no idea of how to create a simple image that can be viewed easily with some graphics application like ACDSee.
Every pixel is represented by 8 bits and the width and height of image is known.
This is not important for me the image file is BMP or Tiff.

Any idea?

Best regards,
A. Riazi

Urgent Copy to Clipboard Crashes

zahid_ash19-Apr-05 2:18

zahid_ash

19-Apr-05 2:18

I am using following Code to Copy to Clip board.
This code is written under a button Copy ,
As i click on Copy button first time it Works fine , and i can paste it in MS word.

As I clik 2nd time on Copy Botton . the Application Crashes down.
It crashes on statment pData->SetClipboard();

and show the the message that Windows XP usualy show on crash to Send and Dont send the Reoprt of Error.

void CopyButton()
{
// Get DC
CDC* dcRef = GetDC();

tagSTGMEDIUM * data;
data = new tagSTGMEDIUM;

CMetaFileDC * dcMeta;
dcMeta = new CMetaFileDC();
if(!dcMeta)
{
AfxMessageBox("Unable to Load data on Clipboard");
return;
}

COleDataSource* pData = new COleDataSource;

//replace "ImageName" with a description of this image
dcMeta->CreateEnhanced(dcRef, NULL, NULL,"Cca-Graph" );
dcMeta->SetMapMode(MM_TEXT);

dcMeta->SetAttribDC(dcRef->m_hAttribDC);

//actually draw to the device context
CRect rcWnd;
GetClientRect(&rcWnd);
//draw meta file :: do what ever you want to do: bitmaps, lines, text...
DrawChart(dcMeta, rcWnd, false);
//done drawing

data->tymed = TYMED_ENHMF;
data->hEnhMetaFile = dcMeta->CloseEnhanced();
pData->CacheData( CF_ENHMETAFILE, data );
// Crashes
pData->SetClipboard();

// Release the meta file attributes
dcMeta->ReleaseAttribDC();

delete dcMeta;
delete data;

}

Regards.

Re: Urgent Copy to Clipboard Crashes

David Crow19-Apr-05 2:54

David Crow

19-Apr-05 2:54

See here.

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

Re: Urgent Copy to Clipboard Crashes

zahid_ash19-Apr-05 19:41

zahid_ash

19-Apr-05 19:41

That was hte my link , but i not got the proper solution thats why i posted the question ,

Why the Application crashes 2nd time.

Please reply me thanx.

Regards.

MFC tray icon(please help)

charu12319-Apr-05 1:14

charu123

19-Apr-05 1:14

Hi,

I have written a program to add an icon in the system tray.
But i want the icon to remain in the systray even after i exit the application and the application should start on clicking the icon.
how can i do that?

Thanks

U get wht u Give

Re: MFC tray icon(please help)

Aamir Butt19-Apr-05 1:27

Aamir Butt

19-Apr-05 1:27

Write a handler for WM_SYSCOMMAND and in it check nID. if it is SC_CLOSE, dont shut down the application, just hide it or minimize it to system tray, whatever you want to do.

"I would luv to change the world, but they wont give me the source code" Frown | :(

My Articles

Re: MFC tray icon(please help)

khan++19-Apr-05 2:32

khan++

19-Apr-05 2:32

Just don't exit the application. Hide the main window when user wants to exit. Show it when user clicks on icon.
--OR--
Write another app, which also has the same icon in the tray. Just a small app which never shows its interface, it is hidden. When user exits main app, it starts this small app before exiting. When user clicks on icon, this small app starts the main app, and exits itself.

Good code for life.

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