OOPixMapTextureLoader Class Reference

#include <OOPixMapTextureLoader.h>

Inheritance diagram for OOPixMapTextureLoader:

Collaboration diagram for OOPixMapTextureLoader:

Instance Methods
(id)	- initWithPixMap:textureOptions:freeWhenDone:
(void)	- dealloc [implementation]
(void)	- loadTexture [implementation]
(uint32_t)	- textureOptions [implementation]
Instance Methods inherited from OOTextureGenerator
(GLfloat)	- anisotropy
(GLfloat)	- lodBias
(NSString *)	- cacheKey
(BOOL)	- enqueue
Instance Methods inherited from OOTextureLoader
(BOOL)	- isReady
(BOOL)	- getResult:format:originalWidth:originalHeight:
(id)	- initWithPath:options:
(NSString *)	- path
(NSString *)	- descriptionComponents [implementation]
(NSString *)	- shortDescriptionComponents [implementation]
(void)	- performAsyncTask [implementation]
(void)	- generateMipMapsForCubeMap [implementation]
(void)	- applySettings [implementation]
(void)	- getDesiredWidth:andHeight: [implementation]
(void)	- completeAsyncTask [implementation]

Private Attributes
OOPixMap	_pixMap
uint32_t	_texOptions

Additional Inherited Members
Class Methods inherited from OOTextureLoader
(id)	+ loaderWithPath:options:
(id)	+ loaderWithTextureSpecifier:extraOptions:folder:
(void)	+ setUp [implementation]
Protected Attributes inherited from OOTextureLoader
NSString *	_path
OOTextureFlags	_options
uint8_t	_generateMipMaps: 1
uint8_t	_scaleAsNormalMap: 1
uint8_t	_avoidShrinking: 1
uint8_t	_noScalingWhatsoever: 1
uint8_t	_extractChannel: 1
uint8_t	_allowCubeMap: 1
uint8_t	_isCubeMap: 1
uint8_t	_ready: 1
uint8_t	_extractChannelIndex
OOTextureDataFormat	_format
void *	_data
uint32_t	_width
uint32_t	_height
uint32_t	_originalWidth
uint32_t	_originalHeight
uint32_t	_shrinkThreshold
uint32_t	_maxSize
size_t	_rowBytes

Detailed Description

Definition at line 34 of file OOPixMapTextureLoader.h.

Method Documentation

dealloc

- (void) dealloc

implementation

Reimplemented from OOTextureLoader.

Definition at line 50 of file OOPixMapTextureLoader.m.

{
    OOFreePixMap(&_pixMap);
    
    [super dealloc];
}

References _pixMap, dealloc, OOTextureLoader::dealloc, and OOFreePixMap().

Referenced by dealloc.

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initWithPixMap:textureOptions:freeWhenDone:

- (id) initWithPixMap:		(OOPixMap)	pixMap
textureOptions:		(uint32_t)	options
freeWhenDone:		(BOOL)	freeWhenDone

Definition at line 34 of file OOPixMapTextureLoader.m.

                     :(OOPixMap)pixMap textureOptions:(uint32_t)options freeWhenDone:(BOOL)freeWhenDone
{
    if ((self = [super initWithPath:[NSString stringWithFormat:@"OOPixMap@%p", self] options:options]))
    {
        if (freeWhenDone)  _pixMap = pixMap;
        else  _pixMap = OODuplicatePixMap(_pixMap, 0);
        
        _texOptions = OOApplyTextureOptionDefaults(options);
        
        if (!OOIsValidPixMap(_pixMap))  DESTROY(self);
    }
    
    return self;
}

References _pixMap, _texOptions, DESTROY, OOApplyTextureOptionDefaults(), OODuplicatePixMap(), and OOIsValidPixMap().

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loadTexture

- (void) loadTexture

implementation

Reimplemented from OOTextureLoader.

Definition at line 58 of file OOPixMapTextureLoader.m.

{
    // Generate mip maps if needed.
    if ((_texOptions & kOOTextureMinFilterMask) == kOOTextureMinFilterMipMap)
    {
        size_t size = OOMinimumPixMapBufferSize(_pixMap) * 4 / 3;
        BOOL generateMipMaps = OOExpandPixMap(&_pixMap, size);
        if (generateMipMaps)
        {
            OOGenerateMipMaps(_pixMap.pixels,_pixMap.width, _pixMap.height, _pixMap.format);
        }
        else
        {
            _texOptions = (_texOptions & ~kOOTextureMinFilterMask) | kOOTextureMinFilterMipMap;
        }
    }
    
    // Set up output ivars as per OOTextureLoader contract.
    _data = _pixMap.pixels;
    _width = _pixMap.width;
    _height = _pixMap.height;
    _rowBytes = _pixMap.rowBytes;
    _format = _pixMap.format;
    
    //  Explicitly do not free pixels - ownership passes to texture.
    _pixMap.pixels = NULL;
}

References OOTextureLoader::_data, OOTextureLoader::_format, OOTextureLoader::_height, _pixMap, OOTextureLoader::_rowBytes, _texOptions, OOTextureLoader::_width, kOOTextureMinFilterMask, kOOTextureMinFilterMipMap, loadTexture, OOExpandPixMap(), OOGenerateMipMaps(), and OOMinimumPixMapBufferSize().

Referenced by loadTexture.

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textureOptions

- (uint32_t) textureOptions

implementation

Reimplemented from OOTextureGenerator.

Definition at line 87 of file OOPixMapTextureLoader.m.

{
    return _texOptions;
}

References _texOptions, and textureOptions.

Referenced by textureOptions.

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Member Data Documentation

_pixMap

- (OOPixMap) _pixMap

private

Definition at line 37 of file OOPixMapTextureLoader.h.

Referenced by dealloc, initWithPixMap:textureOptions:freeWhenDone:, and loadTexture.

_texOptions

- (uint32_t) _texOptions

private

Definition at line 38 of file OOPixMapTextureLoader.h.

Referenced by initWithPixMap:textureOptions:freeWhenDone:, loadTexture, and textureOptions.

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The documentation for this class was generated from the following files:

• src/Core/Materials/OOPixMapTextureLoader.h
• src/Core/Materials/OOPixMapTextureLoader.m