CIvfTexture Class Reference

#include <ivf/IvfTexture.h>

Inheritance diagram for CIvfTexture:

List of all members.

Public Member Functions
	CIvfTexture ()
virtual	~CIvfTexture ()
	IvfClassInfo ("CIvfTexture", CIvfObject)
void	setTextureEnvColor (float red, float green, float blue, float alfa)
void	setEnvColor (float red, float green, float blue, float alfa)
void	getTextureEnvColor (float &red, float &green, float &blue, float &alfa)
void	getEnvColor (float &red, float &green, float &blue, float &alfa)
void	setGenerateMipmaps (bool flag)
void	setTextureMode (GLenum mode)
void	setMode (GLenum mode)
void	setFilters (GLenum minFilter, GLenum magFilter)
void	setTextureRepeat (GLenum repeatS, GLenum repeatT)
void	setRepeat (GLenum repeatS, GLenum repeatT)
void	setTextureModifier (double scaleX, double scaleY, double rotate)
void	setModifier (double scaleX, double scaleY, double rotate)
void	setTextureTranslate (double x, double y)
void	setTranslate (double x, double y)
void	setImage (CIvfImage *image)
void	setImageMap (void *imageMap)
void	setSize (int width, int height)
void	getSize (int &width, int &height)
bool	isBound ()
void	apply ()
void	bind ()
GLuint	getName ()
void	setLoadImages (bool flag)
void	setGenerateName (bool flag)
void	setName (GLuint name)
void	activate ()
void	deactivate ()
bool	isActive ()

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Detailed Description

OpenGL texture definition

The IvfTexture class manages a texture in OpenGL. All shape nodes can be assigned a IvfTexture. To be able to see a texture on a shape it must also render texture coordinates. An example of how a texture is used is shown below:

 CIvfJpegImage* image = new CIvfJpegImage();
 image->setFileName("textures/architecture8.jpg");
 image->read();
 
 CIvfTexture* texture = new CIvfTexture();
 texture->setImage(image);
 texture->setFilters(GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR);
 texture->setGenerateMipmaps(true);
 
 .
 .
 
 CIvfSphere* sphere = new CIvfSphere();
 sphere->setMaterial(...)
 sphere->setTexture(texture);

Author:

Jonas Lindemann

Examples:

advgeom.cpp, and textures.cpp.

Definition at line 62 of file IvfTexture.h.

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Constructor & Destructor Documentation

CIvfTexture::CIvfTexture (   )

Constructor

virtual CIvfTexture::~CIvfTexture (   )  [virtual]

Destructor

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Member Function Documentation

void CIvfTexture::activate (   )

Activates texture If active, the texture will be applied in the rendering process.

void CIvfTexture::apply (   )

Applies the texture Sets the texture as the current texture in OpenGL. The bind() method must be called before the apply() method is called.

void CIvfTexture::bind (   )

Binds texture in OpenGL Binds a texture image to a texture name in OpenGL. Must be called before apply().

void CIvfTexture::deactivate (   )

Activates texture If active, the texture will be applied in the rendering process.

void CIvfTexture::getEnvColor (  float &  red, float &  green, float &  blue, float &  alfa )

Return texture environment color

GLuint CIvfTexture::getName (   )

Texture name This name is used in conjunction with the OpenGL command glBindTexture, to bind the texture with the geometry. Reimplemented from CIvfObject.

void CIvfTexture::getSize (  int &  width, int &  height )

Returns the size of the current loaded image or imagemap.

void CIvfTexture::getTextureEnvColor (  float &  red, float &  green, float &  blue, float &  alfa )

Return texture environment color (Obsolete! Use getEnvColor() instead)

bool CIvfTexture::isActive (   )

Returns texture active state

bool CIvfTexture::isBound (   )

Returns true if a texture is bound

void CIvfTexture::setEnvColor (  float  red, float  green, float  blue, float  alfa )

Set texture environment color Corresponds to an OpenGL glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, ...);

void CIvfTexture::setFilters (  GLenum  minFilter, GLenum  magFilter )

Set magnification and minification filters Values for Parameters: minFilter  are: GL_NEAREST, GL_LINEAR, GL_NEAREST_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, GL_LINEAR_MIPMAP_LINEAR Values for Parameters: maxFilter  are: GL_NEAREST, GL_LINEAR

void CIvfTexture::setGenerateMipmaps (  bool  flag  )

Mipmap generation flag

void CIvfTexture::setGenerateName (  bool  flag  )

Name generation flag if set to true (default) texture names will be automatically generated. If false the texture name set with setName() will be used.

void CIvfTexture::setImage (  CIvfImage *  image  )

Sets texture image (required) Assigns an image to the texture. An image can be loaded using the ivfimage library.

void CIvfTexture::setImageMap (  void *  imageMap  )

Set raw image map If the image has been loaded using other methods than the IvfImage class a pointer to the image can be set using this method.

void CIvfTexture::setLoadImages (  bool  flag  )

Image loading flag if set to true textures are not bound using glTexImage2D or glBuild2dMipmaps

void CIvfTexture::setMode (  GLenum  mode  )

Set texture mode Sets the OpenGL texture function used. Values are GL_MODULATE, GL_BLEND, GL_DECAL

void CIvfTexture::setModifier (  double  scaleX, double  scaleY, double  rotate )

Set texture modifiers This method sets additional texture modifiers such as scaling and rotation, which are applied using the glMatrixMode(GL_TEXTURE)

void CIvfTexture::setName (  GLuint  name  )

Set texture name If automatic texture generation is not used this method specifies the name to use instead.

void CIvfTexture::setRepeat (  GLenum  repeatS, GLenum  repeatT )

Set texture repeat mode If a parameter is set to GL_CLAMP texture coordinates are clamped to [0,1] if set to GL_REPEAT OpenGL uses only the fractional part, see OpenGL reference. Parameters: repeatS  can be GL_REPEAT or GL_CLAMP repeatY  can be GL_REPEAT or GL_CLAMP

void CIvfTexture::setSize (  int  width, int  height )

Set texture image size This method should be used if a raw image map is used, to set the image size information.

void CIvfTexture::setTextureEnvColor (  float  red, float  green, float  blue, float  alfa )

Set texture environment color (Obsolete! Use setEnvColor() instead) Corresponds to an OpenGL glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, ...);

void CIvfTexture::setTextureMode (  GLenum  mode  )

Set texture mode (Obsolete! Use setMode() instead) Sets the OpenGL texture function used. Values are GL_MODULATE, GL_BLEND, GL_DECAL

void CIvfTexture::setTextureModifier (  double  scaleX, double  scaleY, double  rotate )

Set texture modifiers (Obsolete! Use setModifier() instead) This method sets additional texture modifiers such as scaling and rotation, which are applied using the glMatrixMode(GL_TEXTURE)

void CIvfTexture::setTextureRepeat (  GLenum  repeatS, GLenum  repeatT )

Set texture repeat mode (Obsolete! Use setRepeat instead.) If a parameter is set to GL_CLAMP texture coordinates are clamped to [0,1] if set to GL_REPEAT OpenGL uses only the fractional part, see OpenGL reference. Parameters: repeatS  can be GL_REPEAT or GL_CLAMP repeatY  can be GL_REPEAT or GL_CLAMP

void CIvfTexture::setTextureTranslate (  double  x, double  y )

Set texture translation (Obsolete! use setTranslate() instead) This method sets additional texture modifiers translation, which are applied using the glMatrixMode(GL_TEXTURE)

void CIvfTexture::setTranslate (  double  x, double  y )

Set texture translation This method sets additional texture modifiers translation, which are applied using the glMatrixMode(GL_TEXTURE)

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

• ivf/IvfTexture.h

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