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SoGLMultiTextureImageElement

NAME

SoGLMultiTextureImageElement -

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

SYNOPSIS

#include <Inventor/elements/SoGLMultiTextureImageElement.h>

Inherits SoMultiTextureImageElement.

Public Member Functions

virtual void init (SoState *state)
FIXME: write doc.
virtual void push (SoState *state)

virtual void pop (SoState *state, const SoElement *prevTopElement)

Static Public Member Functions

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)

Protected Member Functions

virtual ~SoGLMultiTextureImageElement ()

virtual SbBool hasTransparency (const int unit) const

Detailed Description

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

Constructor & Destructor Documentation

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

Member Function Documentation

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

Reimplemented from SoMultiTextureImageElement.

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.

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

Since:

Coin 3.1

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.

Author

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