C / C++ / MFC

softwaremonkey wrote:

only suitable if you can live with integer angle values (every degree)

FPOINT Rotate( float px, float py, float ox, float oy, int a )
{
    //////////////////////////////////////////////////////////////////////////
    // Rotate point 'p' about point 'o' given 'a' degrees
    //////////////////////////////////////////////////////////////////////////

    float s = ( PI * a ) / 180;  // radians

    FPOINT q = { px, py };

    if ( px == ox && py == oy ) {
        return q;
    }

    float r;

    if ( px == ox ) {
        if ( py > oy ) {
            r = PI / 2;
        } else {
            r = - PI / 2;
        }
    } else {
        if ( py == oy ) {
            if ( px < ox ) {
                r = PI;
            } else {
                r = 0;
            }
        } else { // finally the general case
            if ( px < ox ) {
                r = atan( (float)( py - oy ) / ( px - ox ) ) + PI;
            } else {
                r = atan( (float)( py - oy ) / ( px - ox ) );
            }
        }
    }

    float hyp = sqrt( (float)( (px - ox) * (px - ox) ) + ( ( py - oy ) * ( py - oy ) ) );
    q.x = ( ox + cos(s+r) * hyp );
    q.y = ( oy + sin(s+r) * hyp );

    return q;
}

mike dano wrote:

what is the need for advapi32.lib??

softwaremonkey wrote:

My question is, will the thread still own the mutex while it is sleeping or can other threads get hold of it? I DONT want other threads to be able to grab the mutex during the delay. The code is something like...

Only one thread can own a mutex at any given time. <code>The owning thread uses the 
ReleaseMutex function to release its ownership.</code> 

whatever@whatever.com wrote:

which is trying to include the header

whatever@whatever.com wrote:

May I know if it is possible for me to download the missing header and source somewhere and use it in my project?

wrote:

Can any plzz tell me how to convert doc files to pdf files...

namratab wrote:

Should I go in for an SDI application or a dialog based one?

Sakthiu wrote:

I need to find broken links in a html file. Which is the best way to find it out?.