Sources/Classes/Toolkits/Model/OpenGL/Objects/Quad/Facade/OpenGLQuad.m
//--------------------------------------------------------------------------- |
// |
// File: OpenGLQuad.m |
// |
// Abstract: A facade for for handling a texture 2D or texture rectangle |
// bound to a VBO quad. |
// |
// Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple |
// Computer, Inc. ("Apple") in consideration of your agreement to the |
// following terms, and your use, installation, modification or |
// redistribution of this Apple software constitutes acceptance of these |
// terms. If you do not agree with these terms, please do not use, |
// install, modify or redistribute this Apple software. |
// |
// In consideration of your agreement to abide by the following terms, and |
// subject to these terms, Apple grants you a personal, non-exclusive |
// license, under Apple's copyrights in this original Apple software (the |
// "Apple Software"), to use, reproduce, modify and redistribute the Apple |
// Software, with or without modifications, in source and/or binary forms; |
// provided that if you redistribute the Apple Software in its entirety and |
// without modifications, you must retain this notice and the following |
// text and disclaimers in all such redistributions of the Apple Software. |
// Neither the name, trademarks, service marks or logos of Apple Computer, |
// Inc. may be used to endorse or promote products derived from the Apple |
// Software without specific prior written permission from Apple. Except |
// as expressly stated in this notice, no other rights or licenses, express |
// or implied, are granted by Apple herein, including but not limited to |
// any patent rights that may be infringed by your derivative works or by |
// other works in which the Apple Software may be incorporated. |
// |
// The Apple Software is provided by Apple on an "AS IS" basis. APPLE |
// MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION |
// THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS |
// FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND |
// OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. |
// |
// IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL |
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
// INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, |
// MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED |
// AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), |
// STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE |
// POSSIBILITY OF SUCH DAMAGE. |
// |
// Copyright (c) 2008-2011 Apple Inc., All rights reserved. |
// |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#import "OpenGLQuadProtocol.h" |
#import "OpenGLQuadTex2D.h" |
#import "OpenGLQuadTexRect.h" |
#import "OpenGLQuad.h" |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
#pragma mark Private - Data Structures |
//--------------------------------------------------------------------------- |
struct OpenGLQuadData |
{ |
NSSize size; |
GLenum target; |
id<OpenGLQuadProtocol> quad; |
}; |
typedef struct OpenGLQuadData OpenGLQuadData; |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
#pragma mark Private - Utilities |
//--------------------------------------------------------------------------- |
static OpenGLQuadDataRef OpenGLQuadCreate(const NSSize *pSize, |
const GLenum target) |
{ |
OpenGLQuadDataRef pQuad = (OpenGLQuadDataRef)calloc(1, sizeof(OpenGLQuadData)); |
if( pQuad != NULL ) |
{ |
if( target == GL_TEXTURE_RECTANGLE_ARB ) |
{ |
pQuad->target = GL_TEXTURE_RECTANGLE_ARB; |
pQuad->quad = [[OpenGLQuadTexRect alloc] initQuadTexRectWithSize:pSize]; |
} // if |
else |
{ |
if( target != GL_TEXTURE_2D ) |
{ |
NSLog( @">> WARNING: OpenGL Quad - Invliad texture target!" ); |
NSLog( @">> WARNING: OpenGL Quad - Using a texture 2D target instead!" ); |
} // if |
pQuad->target = GL_TEXTURE_2D; |
pQuad->quad = [[OpenGLQuadTex2D alloc] initQuadTex2DWithSize:pSize]; |
} // else |
pQuad->size.width = [pQuad->quad width]; |
pQuad->size.height = [pQuad->quad height]; |
} // if |
else |
{ |
NSLog( @">> ERROR: OpenGL Quad - Failure Allocating Memory For Data!" ); |
} // else |
return( pQuad ); |
} // OpenGLQuadCreate |
//--------------------------------------------------------------------------- |
static void OpenGLQuadDelete(OpenGLQuadDataRef pQuad) |
{ |
if( pQuad != NULL ) |
{ |
if( pQuad->quad ) |
{ |
[pQuad->quad release]; |
pQuad->quad = nil; |
} // if |
free( pQuad ); |
pQuad = NULL; |
} // if |
} // OpenGLQuadDelete |
//--------------------------------------------------------------------------- |
static BOOL OpenGLQuadSetSize(const NSSize *pSize, |
OpenGLQuadDataRef pQuad) |
{ |
BOOL success = [pQuad->quad setSize:pSize]; |
if( success ) |
{ |
pQuad->size.width = pSize->width; |
pQuad->size.height = pSize->height; |
} // if |
return( success ); |
} // OpenGLQuadSetSize |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
@implementation OpenGLQuad |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
#pragma mark Public - Designated Initializer |
//--------------------------------------------------------------------------- |
// |
// Initialize |
// |
//--------------------------------------------------------------------------- |
- (id) init |
{ |
self = [super init]; |
if( self ) |
{ |
mpQuad = OpenGLQuadCreate(NULL, GL_TEXTURE_2D); |
} // if |
return( self ); |
} // init |
//--------------------------------------------------------------------------- |
- (id) initQuadWithSize:(const NSSize *)theSize |
{ |
self = [super init]; |
if( self ) |
{ |
mpQuad = OpenGLQuadCreate(theSize, GL_TEXTURE_2D); |
} // if |
return( self ); |
} // initQuadWithSize |
//--------------------------------------------------------------------------- |
- (id) initQuadWithSize:(const NSSize *)theSize |
target:(const GLenum)theTarget |
{ |
self = [super init]; |
if( self ) |
{ |
mpQuad = OpenGLQuadCreate(theSize, theTarget); |
} // if |
return( self ); |
} // initQuadWithSize |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
#pragma mark Public - Destructor |
//--------------------------------------------------------------------------- |
- (void) dealloc |
{ |
OpenGLQuadDelete(mpQuad); |
[super dealloc]; |
} // dealloc |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
#pragma mark Public - Accessors |
//--------------------------------------------------------------------------- |
- (BOOL) setTexCoords:(const GLfloat *)theTexCoords |
{ |
return( [mpQuad->quad setTexCoords:theTexCoords] ); |
} // setTexCoords |
//--------------------------------------------------------------------------- |
- (BOOL) setVertices:(const GLfloat *)setVertices |
{ |
return( [mpQuad->quad setVertices:setVertices] ); |
} // setVertices |
//--------------------------------------------------------------------------- |
- (BOOL) setTarget:(const GLenum)theTarget |
{ |
return( [mpQuad->quad setTarget:theTarget] ); |
} // setTarget |
//--------------------------------------------------------------------------- |
- (BOOL) setSize:(const NSSize *)theSize |
{ |
return( OpenGLQuadSetSize(theSize, mpQuad) ); |
} // setSize |
//--------------------------------------------------------------------------- |
- (NSSize) size |
{ |
return( mpQuad->size ); |
} // size |
//--------------------------------------------------------------------------- |
- (GLenum) target |
{ |
return( mpQuad->target ); |
} // target |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
#pragma mark Public - Utilities |
//--------------------------------------------------------------------------- |
- (BOOL) acquire |
{ |
return( [mpQuad->quad acquire] ); |
} // acquire |
//--------------------------------------------------------------------------- |
- (BOOL) update |
{ |
return( [mpQuad->quad update] ); |
} // update |
//--------------------------------------------------------------------------- |
// |
// Draw a quad using texture & vertex coordinates |
// |
//--------------------------------------------------------------------------- |
- (void) display |
{ |
[mpQuad->quad display]; |
} // display |
//--------------------------------------------------------------------------- |
@end |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
Copyright © 2011 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2011-06-27