SoGLMultiTextureImageElement - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 3.1.3
Note : Coin

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NAMESoGLMultiTextureImageElement − The SoGLMultiTextureImageElement is used to control the current GL texture for texture units​.

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SYNOPSIS
#include <Inventor/elements/SoGLMultiTextureImageElement​.h> Inherits SoMultiTextureImageElement​.

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Public Member Functionsvirtual void init (SoState *state)
FIXME: write doc​. virtual void push (SoState *state)
virtual void pop (SoState *state, const SoElement *prevTopElement)

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Static Public Member Functionsstatic SoType getClassTypeId (void)
static int getClassStackIndex (void)
static void * createInstance (void)
static void initClass (void)
static void set (SoState *const state, SoNode *const node, const int unit, SoGLImage *image, const SoTextureImageElement::Model model, const SbColor &blendColor)
static void restore (SoState *state, const int unit)
static SoGLImage * get (SoState *state, const int unit, SoTextureImageElement::Model &model, SbColor &blendcolor)
static SbBool hasTransparency (SoState *state)

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Protected Member Functionsvirtual ~SoGLMultiTextureImageElement ()
virtual SbBool hasTransparency (const int unit) const

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Additional Inherited Members

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Detailed DescriptionThe SoGLMultiTextureImageElement is used to control the current GL texture for texture units​.

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Constructor & Destructor Documentation

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SoGLMultiTextureImageElement::~SoGLMultiTextureImageElement (void) [protected], [virtual]The destructor​.

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Member Function Documentation

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void * SoGLMultiTextureImageElement::createInstance (void) [static]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer​.

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void SoGLMultiTextureImageElement::initClass (void) [static]This static method initializes static data in the SoGLMultiTextureImageElement class​.

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void SoGLMultiTextureImageElement::push (SoState * state) [virtual]This method is called every time a new element is required in one of the stacks​. This happens when a writable element is requested, using SoState::getElement() or indirectly SoElement::getElement(), and the depth of the current element is less than the state depth​. Override this method if your element needs to copy data from the previous top of stack​. The push() method is called on the new element, and the previous element can be found using SoElement::getNextInStack()​. Reimplemented from SoMultiTextureImageElement​.

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void SoGLMultiTextureImageElement::pop (SoState * state, const SoElement * prevTopElement) [virtual]This method is callled when the state is popped, and the depth of the element is bigger than the current state depth​. pop() is called on the new top of stack, and a pointer to the previous top of stack is passed in prevTopElement​. Override this method if you need to copy some state information from the previous top of stack​. Reimplemented from SoElement​.

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void SoGLMultiTextureImageElement::set (SoState *const state, SoNode *const node, const int unit, SoGLImage * image, const SoTextureImageElement::Model model, const SbColor & blendColor) [static]Sets the current texture​. Id didapply is TRUE, it is assumed that the texture image already is the current GL texture​. Do not use this feature unless you know what you're doing​.

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SbBool SoGLMultiTextureImageElement::hasTransparency (SoState * state) [static]Returns TRUE if any of the images have at least one transparent pixel​. Since Coin 3​.1

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SbBool SoGLMultiTextureImageElement::hasTransparency (const int unit) const [protected], [virtual]Called by containsTransparency()​. Returns TRUE if image data has transparency​. Default method does a very poor job of detecting this, since it returns TRUE when the number of components are 2 or 4. Override whenever it is important to know this (SoGLTextureImageElement overrides it to avoid transparency handling where possible)​. Reimplemented from SoMultiTextureImageElement​.

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AuthorGenerated automatically by Doxygen for Coin from the source code​. 0

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Johanes Gumabo

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