Oolite
1.91.0.7645-241119-222d325
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src
Core
Materials
OONullTexture.m
Go to the documentation of this file.
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/*
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OONullTexture.m
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Copyright (C) 2008-2013 Jens Ayton
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#import "
OONullTexture.h
"
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#import "
OOCocoa.h
"
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#import "
OOTextureInternal.h
"
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static
OONullTexture
*
sSingleton
=
nil
;
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@implementation
OONullTexture
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+ (
OONullTexture
*)
sharedNullTexture
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{
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// NOTE: assumes single-threaded access.
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if
(
sSingleton
==
nil
)
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{
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sSingleton
= [[
self
alloc] init];
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}
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return
sSingleton
;
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}
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- (void)
apply
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{
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[
OOTexture
applyNone
];
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}
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- (NSSize)
dimensions
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{
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return
NSZeroSize;
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}
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- (BOOL)
isMipMapped
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{
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return
NO;
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}
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- (void)
forceRebind
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{
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}
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#ifndef NDEBUG
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- (NSString *)
name
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{
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return
@"<null texture>"
;
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}
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#endif
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@end
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@implementation
OONullTexture (Singleton)
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/* Canonical singleton boilerplate.
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See Cocoa Fundamentals Guide: Creating a Singleton Instance.
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See also +nullTexture above.
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NOTE: assumes single-threaded access.
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*/
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+ (id)allocWithZone:(NSZone *)inZone
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{
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if
(
sSingleton
==
nil
)
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{
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sSingleton
= [
super
allocWithZone:inZone];
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return
sSingleton
;
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}
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return
nil
;
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}
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- (id)copyWithZone:(NSZone *)inZone
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{
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return
self
;
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}
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- (id)
retain
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{
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return
self
;
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}
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- (NSUInteger)
retainCount
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{
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return
UINT_MAX;
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}
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- (void)
release
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{}
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- (id)
autorelease
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{
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return
self
;
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}
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@end
OOCocoa.h
sSingleton
static OODebugMonitor * sSingleton
Definition
OODebugMonitor.m:50
OONullTexture.h
sSingleton
static OONullTexture * sSingleton
Definition
OONullTexture.m:33
nil
return nil
Definition
OOProbabilitySet.m:449
OOTextureInternal.h
-[OONullTexture(Singleton) retain]
id retain()
Definition
OONullTexture.m:110
-[OONullTexture(Singleton) retainCount]
NSUInteger retainCount()
Definition
OONullTexture.m:116
-[OONullTexture(Singleton) autorelease]
id autorelease()
Definition
OONullTexture.m:126
-[OONullTexture(Singleton) release]
void release()
Definition
OONullTexture.m:122
OONullTexture
Definition
OONullTexture.h:35
-[OONullTexture forceRebind]
void forceRebind()
Definition
OONullTexture.m:68
-[OONullTexture dimensions]
NSSize dimensions()
Definition
OONullTexture.m:56
-[OONullTexture isMipMapped]
BOOL isMipMapped()
Definition
OONullTexture.m:62
-[OONullTexture name]
NSString * name()
Definition
OONullTexture.m:75
-[OONullTexture apply]
void apply()
Definition
OONullTexture.m:50
+[OONullTexture sharedNullTexture]
OONullTexture * sharedNullTexture()
Definition
OONullTexture.m:38
OOTexture
Definition
OOTexture.h:117
+[OOTexture applyNone]
void applyNone()
Definition
OOTexture.m:275
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