Sources/Classes/Application/Model/OpenGL/Text/Labels/OpenGLRendererLabel.m

//---------------------------------------------------------------------------------------
//
//  File: OpenGLRendererLabel.m
//
//  Abstract: Utility class for mbDoDisplaying renderers info
//
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//---------------------------------------------------------------------------------------
 
//---------------------------------------------------------------------------------------
 
#import "OpenGLQuery.h"
#import "OpenGLRendererLabel.h"
 
//---------------------------------------------------------------------------------------
 
//---------------------------------------------------------------------------------------
 
#pragma mark -
#pragma mark Private Data Structures
 
//---------------------------------------------------------------------------------------
 
struct OpenGLRendererLabelData
{
    BOOL     mbDoDisplay;
    NSPoint  m_Coordinates;
};
 
typedef struct  OpenGLRendererLabelData OpenGLRendererLabelData;
 
//---------------------------------------------------------------------------------------
 
//---------------------------------------------------------------------------------------
 
#pragma mark -
 
//---------------------------------------------------------------------------------------
 
@implementation OpenGLRendererLabel
 
//---------------------------------------------------------------------------------------
 
#pragma mark -
#pragma mark Designated Initializer
 
//---------------------------------------------------------------------------------------
//
// Make sure client goes through designated initializer
//
//---------------------------------------------------------------------------------------
 
- (id) initWithString:(NSString *)theTextString
             fontName:(NSString *)theFontName
             fontSize:(const CGFloat)theFontSize
            textColor:(NSColor *)theTextColor
             boxColor:(NSColor *)theBoxColor
          borderColor:(NSColor *)theBorderColor
          coordinates:(const NSPoint *)theCoordinates
               bounds:(const NSRect *)theBounds
{
    [self doesNotRecognizeSelector:_cmd];
    
    return nil;
} // initWithString
 
//---------------------------------------------------------------------------------------
 
- (id) initLabelWithFontName:(NSString *)theFontName
                    fontSize:(const CGFloat)theFontSize
                   textColor:(NSColor *)theTextColor
                    boxColor:(NSColor *)theBoxColor
                 borderColor:(NSColor *)theBorderColor
                 coordinates:(const NSPoint *)theCoordinates
                      bounds:(const NSRect *)theBounds
{
    OpenGLQuery *query = [OpenGLQuery new];
    
    if( query )
    {
        NSString *rendererInfo = [query info];
        
        if( rendererInfo )
        {
            self = [super initWithString:rendererInfo
                                fontName:theFontName
                                fontSize:theFontSize
                               textColor:theTextColor
                                boxColor:theBoxColor
                             borderColor:theBorderColor
                             coordinates:theCoordinates
                                  bounds:theBounds];
            
            if( self )
            {
                mpLabelRenderer = (OpenGLRendererLabelDataRef)calloc(1,sizeof(OpenGLRendererLabelData));
                
                if( mpLabelRenderer != NULL )
                {
                    mpLabelRenderer->mbDoDisplay = YES;
                    
                    mpLabelRenderer->m_Coordinates.x = theCoordinates->x;
                    mpLabelRenderer->m_Coordinates.y = theCoordinates->y;
                } // if
                else
                {
                    NSLog( @">> ERROR: OpenGL Renderer Label - Failure Allocating Memory For Attributes!" );
                } // else
                
                [self viewSetBounds:theBounds];
                [self drawText];
            } // if
        } // if
        
        [query release];
    } // if
    
    return( self );
} // initLabelWithFormat
 
//---------------------------------------------------------------------------------------
 
#pragma mark -
#pragma mark Deallocating Resources
 
//---------------------------------------------------------------------------------------
 
- (void) dealloc
{
    // Attributes are not needed
    
    if( mpLabelRenderer != NULL )
    {
        free( mpLabelRenderer );
        
        mpLabelRenderer = NULL;
    } // if
    
    // Dealloc the superclass
    
    [super dealloc];
} // dealloc
 
//---------------------------------------------------------------------------------------
 
#pragma mark -
#pragma mark Label Utilities
 
//---------------------------------------------------------------------------------------
 
- (void) labelSetNeedsDisplay:(const BOOL)theLabelNeedsDisplay
{
    mpLabelRenderer->mbDoDisplay = theLabelNeedsDisplay;
} // labelSetNeedsDisplay
 
//---------------------------------------------------------------------------------------
 
#pragma mark -
#pragma mark Drawing the label
 
//---------------------------------------------------------------------------------------
 
- (void) labelDraw
{
    if( mpLabelRenderer->mbDoDisplay )
    {
        NSRect   bounds = [self viewBounds];
        NSPoint  point  = NSMakePoint(10.0f, bounds.size.height - 52.0f);
        
        if( ( point.x != mpLabelRenderer->m_Coordinates.x ) || ( point.y != mpLabelRenderer->m_Coordinates.y ) )
        {
            [self moveTo:&point];
        } // if
        
        [self drawText];
    } // if
} // labelDraw
 
//---------------------------------------------------------------------------------------
 
@end
 
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