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Teddy::Graphics::Texture Class Reference

Texture. More...

#include <Texture.h>

Inheritance diagram for Teddy::Graphics::Texture:

[legend]Collaboration diagram for Teddy::Graphics::Texture:

[legend]List of all members.

Public Methods
	Texture (const std::string &name)
	Texture constructor. More...
virtual	~Texture ()
	Texture destructor. More...
void	putData (unsigned char *data, const Teddy::Maths::IntVector2 &size, int format, unsigned long modify)
void	apply ()
	Apply texture to OpenGL state. More...
bool	isGood ()
	Return true if there is actual texturemap bind to this texture. More...
const Teddy::Maths::IntVector2 &	getSize ()
	Return the size of this Texture in texels. More...
void	setWrap (int wrap_s, int wrap_t)
	Set texture repeat parameters. More...
void	setEnv (int env)
	Set Texture function. More...
void	setEnv (int env, const Color &c)
	Set Texture function. More...
void	setFilter (int filter)
	Set Texture filter. More...
bool	doFormat ()
	Determine the final image data format for Texture. More...
bool	doSize ()
	Determine the final size for Texture image data. More...
bool	doBind ()
	Bind the image data to texture. More...
void	setWorkData (void *data, bool alloc=true)
	Set working data for Texture. More...
void	convert_to_a ()
	Convert Texture working image data to alpha-only format. More...
void	convert_to_rgb ()
	Convert Texture working image data to red-green-blue format. More...
void	convert_rgba ()
void	convert_rgb_to_a ()
	Convert Texture working image data from red-green-blue format to alpha format; alpha == red. More...
void	convert_rgba_to_a ()
	Convert Texture working image data from red-green-blue-alpha to alpha format. More...
void	convert_a_to_rgb ()
	Convert Texture working image data from alpha format to red-green-blue format (greyscale). More...
void	convert_rgba_to_rgb ()
	Convert Texture working image data from red-green-blue-alpha to red-green-blue format. More...
void	convert_rgb_to_rgba ()
Static Public Attributes
const unsigned long	TX_RESERVED = (1ul<<0ul)
const unsigned long	TX_BLIT_NO_SCALE = (1ul<<1ul)
const unsigned long	TX_GENERATE_ALPHA = (1ul<<2ul)
const unsigned long	TX_ALPHA_ONLY = (1ul<<3ul)
const unsigned long	TX_NO_ALPHA = (1ul<<4ul)
const unsigned long	WRAP_REPEAT = 1
const unsigned long	WRAP_CLAMP = 2
const unsigned long	ENV_BLEND = 1
const unsigned long	ENV_REPLACE = 2
const unsigned long	ENV_DECAL = 3
const unsigned long	ENV_MODULATE = 4
const unsigned long	FORMAT_INTENSITY = 1
const unsigned long	FORMAT_LUMINANCE = 2
const unsigned long	FORMAT_LUMINANCE_ALPHA = 3
const unsigned long	FORMAT_ALPHA = 4
const unsigned long	FORMAT_RGB = 5
const unsigned long	FORMAT_RGBA = 6
const unsigned long	FILTER_NEAREST = 1
const unsigned long	FILTER_LINEAR = 2
Protected Attributes
unsigned char *	work_data
	Current working image data for Texture. More...
int	work_data_pixel_format
	Working image format. More...
bool	work_data_allocated
	Flag true if work_data was internally allocated. More...
bool	is_good
	If true, the texture is ready to be used. More...
Teddy::Maths::IntVector2	size
int	wrap_s
	Texture s-axis wrap mode. More...
int	wrap_t
	Texture t-axis wrap mode. More...
int	filter_mode
	Texture filter mode. More...
int	env_function
	Texture function. More...
Color	env_color
	Color for Texture function. More...
Teddy::MixIn::Options	modify
	Allowed and requested image modifications. More...
int	gl_internal_format
	OpenGL image data format. More...
GLuint	gl_texture_id
	OpenGL Texture id. More...

Detailed Description

Texture.

Definition at line 41 of file Texture.h.

Constructor & Destructor Documentation

Teddy::Graphics::Texture::Texture ( const std::string & name )

Texture constructor.

Parameters:

name Name for the new Texture

Definition at line 81 of file Texture.cpp.
References env_color, ENV_DECAL, env_function, ENV_MODULATE, filter_mode, FILTER_NEAREST, gl_internal_format, gl_texture_id, is_good, modify, Teddy::MixIn::Options::options, work_data, work_data_allocated, work_data_pixel_format, WRAP_REPEAT, wrap_s, and wrap_t.

Teddy::Graphics::Texture::~Texture ( ) [virtual]

Texture destructor.

Definition at line 107 of file Texture.cpp.
References gl_texture_id, and setWorkData.

Member Function Documentation

void Teddy::Graphics::Texture::apply ( )

Apply texture to OpenGL state.

Definition at line 114 of file Texture.cpp.
References Teddy::SysSupport::emsg, gl_texture_id, and Teddy::SysSupport::M_MAT.

void Teddy::Graphics::Texture::convert_a_to_rgb ( )

Convert Texture working image data from alpha format to red-green-blue format (greyscale).

Definition at line 70 of file TextureConversions.cpp.
References setWorkData, size, and work_data.
Referenced by convert_to_rgb.

void Teddy::Graphics::Texture::convert_rgb_to_a ( )

Convert Texture working image data from red-green-blue format to alpha format; alpha == red.

Definition at line 91 of file TextureConversions.cpp.
References setWorkData, size, and work_data.
Referenced by convert_to_a.

void Teddy::Graphics::Texture::convert_rgb_to_rgba ( )

void Teddy::Graphics::Texture::convert_rgba ( )

void Teddy::Graphics::Texture::convert_rgba_to_a ( )

Convert Texture working image data from red-green-blue-alpha to alpha format.

Definition at line 116 of file TextureConversions.cpp.
References setWorkData, size, and work_data.
Referenced by convert_to_a.

void Teddy::Graphics::Texture::convert_rgba_to_rgb ( )

Convert Texture working image data from red-green-blue-alpha to red-green-blue format.

Definition at line 141 of file TextureConversions.cpp.
References setWorkData, size, and work_data.
Referenced by convert_to_rgb.

void Teddy::Graphics::Texture::convert_to_a ( )

Convert Texture working image data to alpha-only format.

Definition at line 35 of file TextureConversions.cpp.
References convert_rgb_to_a, convert_rgba_to_a, and work_data_pixel_format.
Referenced by doFormat.

void Teddy::Graphics::Texture::convert_to_rgb ( )

Convert Texture working image data to red-green-blue format.

Definition at line 47 of file TextureConversions.cpp.
References convert_a_to_rgb, convert_rgba_to_rgb, and work_data_pixel_format.
Referenced by doFormat.

bool Teddy::Graphics::Texture::doBind ( )

Bind the image data to texture.

Definition at line 383 of file Texture.cpp.
References Teddy::SysSupport::emsg, ENV_BLEND, env_color, ENV_DECAL, ENV_MODULATE, ENV_REPLACE, FILTER_LINEAR, FILTER_NEAREST, gl_internal_format, gl_texture_id, glu_Build2DMipmaps, is_good, Teddy::MixIn::Options::isEnabled, Teddy::SysSupport::M_MAT, modify, size, TX_BLIT_NO_SCALE, work_data, work_data_pixel_format, WRAP_CLAMP, and WRAP_REPEAT.

bool Teddy::Graphics::Texture::doFormat ( )

Determine the final image data format for Texture.

Definition at line 241 of file Texture.cpp.
References convert_to_a, convert_to_rgb, Teddy::SysSupport::emsg, gl_internal_format, Teddy::MixIn::Options::isEnabled, Teddy::SysSupport::M_MAT, modify, TX_ALPHA_ONLY, TX_GENERATE_ALPHA, TX_NO_ALPHA, and work_data_pixel_format.

bool Teddy::Graphics::Texture::doSize ( )

Determine the final size for Texture image data.

Definition at line 276 of file Texture.cpp.
References Teddy::SysSupport::emsg, gl_internal_format, glu_ScaleImage, IntVector2, Teddy::SysSupport::M_MAT, Teddy::Graphics::minPow, setWorkData, size, work_data, and work_data_pixel_format.

const IntVector2 & Teddy::Graphics::Texture::getSize ( )

Return the size of this Texture in texels.

Returns:
The size of this Texture in texels

Definition at line 179 of file Texture.cpp.
References IntVector2, and size.

bool Teddy::Graphics::Texture::isGood ( )

Return true if there is actual texturemap bind to this texture.

Returns:
True if this texture has been properly set, false if texture is not ready to be used

Definition at line 128 of file Texture.cpp.
References is_good.

void Teddy::Graphics::Texture::putData ( unsigned char * data,

const Teddy::Maths::IntVector2 & size,

int format,

unsigned long modify

)

Referenced by Teddy::Graphics::ImageFileTexture::copySdlSurface.

void Teddy::Graphics::Texture::setEnv ( int env_function,

const Color & env_color

)

Set Texture function.

Parameters:

env Texture function. One of ENV_BLEND, ENV_REPLACE, ENV_DECAL, or ENV_MODULATE.

c Color to be used by the Texture function

Definition at line 158 of file Texture.cpp.
References env_color, and env_function.

void Teddy::Graphics::Texture::setEnv ( int env_function )

Set Texture function.

Parameters:

env Texture function. One of ENV_BLEND, ENV_REPLACE, ENV_DECAL, or ENV_MODULATE.

Definition at line 148 of file Texture.cpp.
References env_function.
Referenced by Teddy::Graphics::ImageFileTexture::copySdlSurface.

void Teddy::Graphics::Texture::setFilter ( int filter_mode )

Set Texture filter.

Parameters:

filter The filter mode, either FILTER_NEAREST or FILTER_LINEAR

Definition at line 170 of file Texture.cpp.
References filter_mode.
Referenced by Teddy::Graphics::ImageFileTexture::copySdlSurface.

void Teddy::Graphics::Texture::setWorkData ( void * vdata,

bool alloc = true

)

Set working data for Texture.

Parameters:

data Pointer to working data

The putData() -method puts texture data into texture in several phases. Each phase may modify the existing image data. The currently active image data is kept in work_data pointer. The work_data pointer should be updated through this method.
Definition at line 224 of file Texture.cpp.
References work_data, and work_data_allocated.
Referenced by convert_a_to_rgb, convert_rgb_to_a, convert_rgba_to_a, convert_rgba_to_rgb, doSize, and ~Texture.

void Teddy::Graphics::Texture::setWrap ( int wrap_s,

int wrap_t

)

Set texture repeat parameters.

Parameters:

wrap_s Wrapping mode for texture s-axis, either WRAP_REPEAT or WRAP_CLAMP

wrap_t Wrapping mode for texture t-axis, either WRAP_REPEAT or WRAP_CLAMP

Definition at line 138 of file Texture.cpp.
References wrap_s, and wrap_t.
Referenced by Teddy::Graphics::ImageFileTexture::copySdlSurface.

Member Data Documentation

const unsigned long Teddy::Graphics::Texture::ENV_BLEND = 1 [static]

Definition at line 48 of file Texture.cpp.
Referenced by doBind.

Color Teddy::Graphics::Texture::env_color [protected]

Color for Texture function.

Definition at line 108 of file Texture.h.
Referenced by doBind, setEnv, and Texture.

const unsigned long Teddy::Graphics::Texture::ENV_DECAL = 3 [static]

Definition at line 50 of file Texture.cpp.
Referenced by doBind, and Texture.

int Teddy::Graphics::Texture::env_function [protected]

Texture function.

Definition at line 107 of file Texture.h.
Referenced by setEnv, and Texture.

const unsigned long Teddy::Graphics::Texture::ENV_MODULATE = 4 [static]

Definition at line 51 of file Texture.cpp.
Referenced by Teddy::Graphics::ImageFileTexture::copySdlSurface, doBind, and Texture.

const unsigned long Teddy::Graphics::Texture::ENV_REPLACE = 2 [static]

Definition at line 49 of file Texture.cpp.
Referenced by doBind.

const unsigned long Teddy::Graphics::Texture::FILTER_LINEAR = 2 [static]

Definition at line 61 of file Texture.cpp.
Referenced by Teddy::Graphics::ImageFileTexture::copySdlSurface, and doBind.

int Teddy::Graphics::Texture::filter_mode [protected]

Texture filter mode.

Definition at line 106 of file Texture.h.
Referenced by setFilter, and Texture.

const unsigned long Teddy::Graphics::Texture::FILTER_NEAREST = 1 [static]

Definition at line 60 of file Texture.cpp.
Referenced by doBind, and Texture.

const unsigned long Teddy::Graphics::Texture::FORMAT_ALPHA = 4 [static]

Definition at line 56 of file Texture.cpp.

const unsigned long Teddy::Graphics::Texture::FORMAT_INTENSITY = 1 [static]

Definition at line 53 of file Texture.cpp.

const unsigned long Teddy::Graphics::Texture::FORMAT_LUMINANCE = 2 [static]

Definition at line 54 of file Texture.cpp.

const unsigned long Teddy::Graphics::Texture::FORMAT_LUMINANCE_ALPHA = 3 [static]

Definition at line 55 of file Texture.cpp.

const unsigned long Teddy::Graphics::Texture::FORMAT_RGB = 5 [static]

Definition at line 57 of file Texture.cpp.
Referenced by Teddy::Graphics::ImageFileTexture::copySdlSurface.

const unsigned long Teddy::Graphics::Texture::FORMAT_RGBA = 6 [static]

Definition at line 58 of file Texture.cpp.
Referenced by Teddy::Graphics::ImageFileTexture::copySdlSurface.

int Teddy::Graphics::Texture::gl_internal_format [protected]

OpenGL image data format.

Definition at line 110 of file Texture.h.
Referenced by doBind, doFormat, doSize, and Texture.

GLuint Teddy::Graphics::Texture::gl_texture_id [protected]

OpenGL Texture id.

Definition at line 111 of file Texture.h.
Referenced by apply, doBind, Teddy::Graphics::PixFileTexture::PixFileTexture, Texture, and ~Texture.

bool Teddy::Graphics::Texture::is_good [protected]

If true, the texture is ready to be used.

Definition at line 102 of file Texture.h.
Referenced by doBind, Teddy::Graphics::ImageFileTexture::ImageFileTexture, isGood, Teddy::Graphics::PixFileTexture::PixFileTexture, and Texture.

Teddy::MixIn::Options Teddy::Graphics::Texture::modify [protected]

Allowed and requested image modifications.

Definition at line 109 of file Texture.h.
Referenced by doBind, doFormat, and Texture.

Teddy::Maths::IntVector2 Teddy::Graphics::Texture::size [protected]

Definition at line 103 of file Texture.h.
Referenced by convert_a_to_rgb, convert_rgb_to_a, convert_rgba_to_a, convert_rgba_to_rgb, Teddy::Graphics::ImageFileTexture::copySdlSurface, doBind, doSize, getSize, and Teddy::Graphics::PixFileTexture::PixFileTexture.

const unsigned long Teddy::Graphics::Texture::TX_ALPHA_ONLY = (1ul<<3ul) [static]

Definition at line 42 of file Texture.cpp.
Referenced by doFormat.

const unsigned long Teddy::Graphics::Texture::TX_BLIT_NO_SCALE = (1ul<<1ul) [static]

Definition at line 40 of file Texture.cpp.
Referenced by doBind.

const unsigned long Teddy::Graphics::Texture::TX_GENERATE_ALPHA = (1ul<<2ul) [static]

Definition at line 41 of file Texture.cpp.
Referenced by doFormat.

const unsigned long Teddy::Graphics::Texture::TX_NO_ALPHA = (1ul<<4ul) [static]

Definition at line 43 of file Texture.cpp.
Referenced by doFormat.

const unsigned long Teddy::Graphics::Texture::TX_RESERVED = (1ul<<0ul) [static]

Definition at line 39 of file Texture.cpp.

unsigned char* Teddy::Graphics::Texture::work_data [protected]

Current working image data for Texture.

Definition at line 99 of file Texture.h.
Referenced by convert_a_to_rgb, convert_rgb_to_a, convert_rgba_to_a, convert_rgba_to_rgb, doBind, doSize, setWorkData, and Texture.

bool Teddy::Graphics::Texture::work_data_allocated [protected]

Flag true if work_data was internally allocated.

Definition at line 101 of file Texture.h.
Referenced by setWorkData, and Texture.

int Teddy::Graphics::Texture::work_data_pixel_format [protected]

Working image format.

Definition at line 100 of file Texture.h.
Referenced by convert_to_a, convert_to_rgb, doBind, doFormat, doSize, and Texture.

const unsigned long Teddy::Graphics::Texture::WRAP_CLAMP = 2 [static]

Definition at line 46 of file Texture.cpp.
Referenced by doBind.

const unsigned long Teddy::Graphics::Texture::WRAP_REPEAT = 1 [static]

Definition at line 45 of file Texture.cpp.
Referenced by Teddy::Graphics::ImageFileTexture::copySdlSurface, doBind, and Texture.

int Teddy::Graphics::Texture::wrap_s [protected]

Texture s-axis wrap mode.

Definition at line 104 of file Texture.h.
Referenced by setWrap, and Texture.

int Teddy::Graphics::Texture::wrap_t [protected]

Texture t-axis wrap mode.

Definition at line 105 of file Texture.h.
Referenced by setWrap, and Texture.

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

Teddy::Graphics::Texture Class Reference

Public Methods

Static Public Attributes

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation