Clash Royale CLAN TAG

Qt5 OpenGL cannot load bmp file as texture to cube

I found this sample project based on NEHE Tutorial but doesn't work on my Qt version 5, tried editing some code but this the file cannot be loaded. And warning exists also

warning: C4005: 'CALLBACK': macro redefinition

The codes:

void loadGLTextures()
{
QImage t;
QImage b;

//../images/nehe.bmp //original file path
if ( !b.load( ":/nehe.png" ) )
{
//b = QImage( 16, 16, 32 );
//b.fill( Qt::green.rgb() );

QMessageBox::information(this, "Error", "Could not load file");

QImage b(16, 16, QImage::Format_RGB32); //******
b.fill(Qt::green); //*************
}

t = QGLWidget::convertToGLFormat( b );

if(t.isNull())
{
QMessageBox::information(this, "Error", "IMAGE IS NULL");
}

glGenTextures( 1, texture );// Create The Texture

glBindTexture( GL_TEXTURE_2D, texture[0] ); //assign a texture name to texture data.

glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, t.width(), t.height(), 0, GL_RGB, GL_UNSIGNED_BYTE, t.bits() );

//Linear Filtering
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
}


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