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## codeanticode.glgraphics
Class GLTexture

    java.lang.Object
      processing.core.PImage
          codeanticode.glgraphics.GLTexture

All Implemented Interfaces:
  GLConstants, java.lang.Cloneable, processing.core.PConstants

    public class GLTexture

extends processing.core.PImage
implements processing.core.PConstants, GLConstants

This class adds an opengl texture to a PImage object. The texture is handled in a similar way to the pixels property: image data can be copied to and from the texture using loadTexture and updateTexture methods. However, bringing the texture down to image or pixels data can slow down the application considerably (since involves copying texture data from GPU to CPU), especially when handling large textures. So it is recommended to do all the texture handling without calling updateTexture, and doing so only at the end if the texture is needed as a regular image.

Field Summary

Fields inherited from class processing.core.PImage
`format, height, parent, pixels, width`

Fields inherited from interface processing.core.PConstants
`A, AB, ADD, AG, ALPHA, ALPHA_MASK, ALT, AMBIENT, AR, ARC, ARGB, ARROW, B, BACKSPACE, BASELINE, BEEN_LIT, BEVEL, BLEND, BLUE_MASK, BLUR, BOTTOM, BOX, BURN, CENTER, CENTER_DIAMETER, CENTER_RADIUS, CHATTER, CLOSE, CMYK, CODED, COMPLAINT, CONTROL, CORNER, CORNERS, CROSS, CUSTOM, DA, DARKEST, DB, DEG_TO_RAD, DELETE, DG, DIAMETER, DIFFERENCE, DILATE, DIRECTIONAL, DISABLE_ACCURATE_TEXTURES, DISABLE_DEPTH_SORT, DISABLE_DEPTH_TEST, DISABLE_OPENGL_2X_SMOOTH, DISABLE_OPENGL_ERROR_REPORT, DODGE, DOWN, DR, DXF, EB, EDGE, EG, ELLIPSE, ENABLE_ACCURATE_TEXTURES, ENABLE_DEPTH_SORT, ENABLE_DEPTH_TEST, ENABLE_NATIVE_FONTS, ENABLE_OPENGL_2X_SMOOTH, ENABLE_OPENGL_4X_SMOOTH, ENABLE_OPENGL_ERROR_REPORT, ENTER, EPSILON, ER, ERODE, ERROR_BACKGROUND_IMAGE_FORMAT, ERROR_BACKGROUND_IMAGE_SIZE, ERROR_PUSHMATRIX_OVERFLOW, ERROR_PUSHMATRIX_UNDERFLOW, ERROR_TEXTFONT_NULL_PFONT, ESC, EXCLUSION, G, GIF, GRAY, GREEN_MASK, HALF_PI, HAND, HARD_LIGHT, HINT_COUNT, HSB, IMAGE, INVERT, JAVA2D, JPEG, LEFT, LIGHTEST, LINE, LINES, LINUX, MACOSX, MAX_FLOAT, MAX_INT, MIN_FLOAT, MIN_INT, MITER, MODEL, MOVE, MULTIPLY, NORMAL, NORMALIZED, NX, NY, NZ, OPAQUE, OPEN, OPENGL, ORTHOGRAPHIC, OTHER, OVERLAY, P2D, P3D, PATH, PDF, PERSPECTIVE, PI, platformNames, POINT, POINTS, POLYGON, POSTERIZE, PROBLEM, PROJECT, QUAD, QUAD_STRIP, QUADS, QUARTER_PI, R, RAD_TO_DEG, RADIUS, RECT, RED_MASK, REPLACE, RETURN, RGB, RIGHT, ROUND, SA, SB, SCREEN, SG, SHAPE, SHIFT, SHINE, SOFT_LIGHT, SPB, SPG, SPHERE, SPOT, SPR, SQUARE, SR, SUBTRACT, SW, TAB, TARGA, TEXT, THIRD_PI, THRESHOLD, TIFF, TOP, TRIANGLE, TRIANGLE_FAN, TRIANGLE_STRIP, TRIANGLES, TWO_PI, TX, TY, TZ, U, UP, V, VERTEX_FIELD_COUNT, VW, VX, VY, VZ, WAIT, WHITESPACE, WINDOWS, X, Y, Z`

Fields inherited from interface codeanticode.glgraphics.GLConstants
`COLOR, DOUBLE, FLOAT, GL_DEPTH_STENCIL, GL_DEPTH24_STENCIL8, GL_UNSIGNED_INT_24_8, GLGRAPHICS, LINEAR, LINEAR_MIPMAP_LINEAR, LINEAR_MIPMAP_NEAREST, NEAREST, NEAREST_MIPMAP_LINEAR, NEAREST_MIPMAP_NEAREST, TEX_FILTER_PARAM_FLOAT, TEX_FILTER_PARAM_INT, TEX_FILTER_PARAM_MAT2, TEX_FILTER_PARAM_MAT3, TEX_FILTER_PARAM_MAT4, TEX_FILTER_PARAM_VEC2, TEX_FILTER_PARAM_VEC3, TEX_FILTER_PARAM_VEC4, TEX_INT, TEX_UBYTE, TEX1, TEX1D, TEX2D, TEX3, TEX4, TEXRECT`

Constructor Summary
`GLTexture(processing.core.PApplet parent)` Creates an instance of GLTexture with size 1x1.
`GLTexture(processing.core.PApplet parent, int size)` Creates an instance of GLTexture with power-of-two width and height that such that width * height is the closest to size.
`GLTexture(processing.core.PApplet parent, int size, GLTextureParameters params)` Creates an instance of GLTexture with power-of-two width and height that such that width height is the closest to size, and with the specified parameters.
`GLTexture(processing.core.PApplet parent, int width, int height)` Creates an instance of GLTexture with size width x height.
`GLTexture(processing.core.PApplet parent, int width, int height, GLTextureParameters params)` Creates an instance of GLTexture with size width x height and with the specified parameters.
`GLTexture(processing.core.PApplet parent, int width, int height, int format)` Creates an instance of GLTexture with size width x height and with the specified format.
`GLTexture(processing.core.PApplet parent, int width, int height, int format, int filter)` Creates an instance of GLTexture with size width x height and with the specified format and filtering.
`GLTexture(processing.core.PApplet parent, java.lang.String filename)` Creates an instance of GLTexture using image file filename as source.
`GLTexture(processing.core.PApplet parent, java.lang.String filename, GLTextureParameters params)` Creates an instance of GLTexture using image file filename as source and the specified texture parameters.
`GLTexture(processing.core.PApplet parent, java.lang.String filename, int format)` Creates an instance of GLTexture using image file filename as source and the specified format.
`GLTexture(processing.core.PApplet parent, java.lang.String filename, int format, int filter)` Creates an instance of GLTexture using image file filename as source and the specified format and filtering.

Method Summary
`boolean` | `available()` Returns true if the texture has been initialized.
`void` | `clear(float gray)` Fills the texture with the specified gray tone.
`void` | `clear(float gray, float alpha)` Fills the texture with the specified gray tone and alpha value.
`void` | `clear(float x, float y, float z)` Fills the texture with the specified color components.
`void` | `clear(float x, float y, float z, float a)` Fills the texture with the specified color components and alpha component.
`void` | `clear(int gray)` Fills the texture with the specified gray tone.
`void` | `clear(int rgb, float alpha)` Fills the texture with the specified rgb color and alpha value.
`void` | `clear(int gray, int alpha)` Fills the texture with the specified gray tone and alpha value.
`void` | `clear(int x, int y, int z)` Fills the texture with the specified color components.
`void` | `clear(int x, int y, int z, int a)` Fills the texture with the specified color components and alpha component.
`void` | `filter(GLTextureFilter texFilter, GLTexture destTex)` Applies filter texFilter using this texture as source and destTex as destination.
`void` | `filter(GLTextureFilter texFilter, GLTexture[] destTexArray, float fadeConst)` Applies filter texFilter using this texture as source, destTex as multiple destinations and fadeConst as the fading constant for the filter.
`void` | `filter(GLTextureFilter texFilter, GLTexture[] destTexArray, float fadeConst, float[]... values)` Applies filter texFilter using this texture as source, destTex as multiple destinations and fadeConst as the fading constant for the filter.
`void` | `filter(GLTextureFilter texFilter, GLTexture destTex, float fadeConst)` Applies filter texFilter using this texture as source, destTex as destination and fadeConst as the fading constant for the filter.
`void` | `filter(GLTextureFilter texFilter, GLTexture destTex, float[]... values)` Applies filter texFilter using this texture as source and destTex as destination.
`void` | `filter(GLTextureFilter texFilter, GLTexture destTex, float fadeConst, float[]... values)` Applies filter texFilter using this texture as source, destTex as destination and fadeConst as the fading constant for the filter.
`void` | `getBuffer(float[] floatArray, int format)` Copies the texture into floatArray.
`void` | `getBuffer(int[] intArray)` Copies the texture into intArray, assuming that the array has 4 components and the pixels are unsigned bytes.
`void` | `getBuffer(int[] intArray, int format)` Copies the texture into intArray, using the specified format and assuming that the pixels are unsigned bytes.
`void` | `getBuffer(int[] intArray, int format, int type)` Copies the texture into intArray, using the specified format and type.
`void` | `getByteBuffer(int[] intArray, int format)` Copies the texture into intArray, using the specified format and assuming that the pixels are unsigned bytes.
`void` | `getImage(processing.core.PImage img)` Copies texture to img.
`void` | `getIntBuffer(int[] intArray, int format)` Copies the texture into intArray, using the specified format and assuming that the pixels are integers.
`float` | `getMaxTextureCoordS()` Returns the maximum possible value for the texture coordinate S.
`float` | `getMaxTextureCoordT()` Returns the maximum possible value for the texture coordinate T.
`int` | `getTextureID()` Provides the ID of the opegl texture object.
`int` | `getTextureInternalFormat()` Returns the texture internal format.
`int` | `getTextureMagFilter()` Returns the texture magnification filter.
`int` | `getTextureMinFilter()` Returns the texture minimization filter.
`int` | `getTextureTarget()` Returns the texture target.
`void` | `init(int width, int height)` Sets the size of the image and texture to width x height.
`void` | `init(int width, int height, GLTextureParameters params)` Sets the size of the image and texture to width x height, and the parameters of the texture to params.
`boolean` | `isFlippedX()` Returns true if the texture is flipped along the horizontal direction.
`boolean` | `isFlippedY()` Returns true if the texture is flipped along the vertical direction.
`void` | `loadTexture()` Copy pixels to texture (loadPixels should have been called beforehand).
`void` | `loadTexture(java.lang.String filename)` Load texture, pixels and image from file.
`void` | `loadTexture(java.lang.String filename, GLTextureParameters params)` Load texture, pixels and image from file using the specified texture parameters.
`void` | `loadTexture(java.lang.String filename, int format)` Load texture, pixels and image from file using the specified texture format.
`void` | `loadTexture(java.lang.String filename, int format, int filter)` Load texture, pixels and image from file using the specified texture format and filtering.
`void` | `paint(float gray)` Paints the texture with the specified gray tone.
`void` | `paint(float gray, float alpha)` Paints the texture with the specified gray tone and alpha value.
`void` | `paint(float x, float y, float z)` Paints the texture with the specified color components.
`void` | `paint(float x, float y, float z, float a)` Paints the texture with the specified color components and alpha component.
`void` | `paint(int gray)` Paints the texture with the specified gray tone.
`void` | `paint(int rgb, float alpha)` Paints the texture with the specified rgb color and alpha value.
`void` | `paint(int gray, int alpha)` Paints the texture with the specified gray tone and alpha value.
`void` | `paint(int x, int y, int z)` Paints the texture with the specified color components.
`void` | `paint(int x, int y, int z, int a)` Paints the texture with the specified color components and alpha component.
`void` | `putBuffer(float[] floatArray)` Copies floatArray into the texture, assuming that the array has 4 components.
`void` | `putBuffer(float[] floatArray, int format)` Copies floatArray into the texture, using the specified format.
`void` | `putBuffer(int[] intArray)` Copies intArray into the texture, assuming that the array contains 4 color components and pixels are unsigned bytes.
`void` | `putBuffer(int[] intArray, int format)` Copies intArray into the texture, using the specified format and assuming that the pixels are unsigned bytes.
`void` | `putBuffer(int[] intArray, int format, int type)` Copies intArray into the texture, using the format and type specified.
`void` | `putBuffer(java.nio.IntBuffer buffer, int format, int type)` Copies buffer into the texture, using the format and type specified.
`void` | `putByteBuffer(int[] intArray, int format)` Copies intArray into the texture, using the specified format and assuming that the pixels are unsigned bytes.
`void` | `putImage(processing.core.PImage img)` Puts img into texture, pixels and image.
`void` | `putImage(processing.core.PImage img, GLTextureParameters params)` Puts img into texture, pixels and image.
`void` | `putImage(processing.core.PImage img, int format)` Puts img into texture, pixels and image.
`void` | `putImage(processing.core.PImage img, int format, int filter)` Puts img into texture, pixels and image.
`void` | `putIntBuffer(int[] intArray, int format)` Copies intArray into the texture, using the specified format and assuming that the pixels are integers.
`void` | `putPixelsIntoTexture(processing.core.PImage img)` Puts pixels of img into texture only.
`void` | `putPixelsIntoTexture(processing.core.PImage img, int x, int y, int w, int h)` Puts the pixels of img inside the rectangle (x, y, x+w, y+h) into texture only.
`void` | `render()` Draws the texture using the opengl commands, inside a rectangle located at the origin with the original size of the texture.
`void` | `render(float x, float y)` Draws the texture using the opengl commands, inside a rectangle located at (x,y) with the original size of the texture.
`void` | `render(float x, float y, float w, float h)` Draws the texture using the opengl commands, inside a rectangle of width w and height h located at (x,y).
`void` | `setFlippedX(boolean v)` Sets the texture as flipped or not flipped on the horizontal direction.
`void` | `setFlippedY(boolean v)` Sets the texture as flipped or not flipped on the vertical direction.
`void` | `setRandom(float r0, float r1, float g0, float g1, float b0, float b1, float a0, float a1)` Sets the texture to have random values in the ranges specified for each component.
`void` | `setRandomDir2D(float r0, float r1, float phi0, float phi1)` Sets the texture to have random values in the first two coordinates chosen on the circular region defined by the parameters.
`void` | `setRandomDir3D(float r0, float r1, float phi0, float phi1, float theta0, float theta1)` Sets the texture to have random values in the first three coordinates chosen on the spherical region defined by the parameters.
`void` | `setValue(float r, float g, float b, float a)` Sets the texture to have the same given float value in each component.
`void` | `setZero()` Sets to zero all the pixels of the texture.
`void` | `updateTexture()` Copy texture to pixels (doesn't call updatePixels).
`boolean` | `usingMipmaps()` Returns true or false whether or not the texture is using mipmaps.

Methods inherited from class processing.core.PImage
`blend, blend, blendColor, clone, copy, copy, filter, filter, get, get, get, getCache, getImage, init, isModified, loadPixels, mask, mask, removeCache, resize, save, set, set, setCache, setModified, setModified, updatePixels, updatePixels`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### GLTexture

    public GLTexture(processing.core.PApplet parent)

  Creates an instance of GLTexture with size 1x1. The texture is not initialized.

  Parameters:
    `parent` - PApplet

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     int width,
                     int height)

  Creates an instance of GLTexture with size width x height. The texture is initialized (empty) to that size.

  Parameters:
    `parent` - PApplet
    `width` - int
    `height` - int

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     int width,
                     int height,
                     GLTextureParameters params)

  Creates an instance of GLTexture with size width x height and with the specified parameters. The texture is initialized (empty) to that size.

  Parameters:
    `parent` - PApplet
    `width` - int
    `height` - int
    `params` - GLTextureParameters

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     int width,
                     int height,
                     int format)

  Creates an instance of GLTexture with size width x height and with the specified format. The texture is initialized (empty) to that size.

  Parameters:
    `parent` - PApplet
    `width` - int
    `height` - int
    `format` - int

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     int width,
                     int height,
                     int format,
                     int filter)

  Creates an instance of GLTexture with size width x height and with the specified format and filtering. The texture is initialized (empty) to that size.

  Parameters:
    `parent` - PApplet
    `width` - int
    `height` - int
    `format` - int
    `filter` - int

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     java.lang.String filename)

  Creates an instance of GLTexture using image file filename as source.

  Parameters:
    `parent` - PApplet
    `filename` - String

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     java.lang.String filename,
                     GLTextureParameters params)

  Creates an instance of GLTexture using image file filename as source and the specified texture parameters.

  Parameters:
    `parent` - PApplet
    `filename` - String
    `params` - GLTextureParameters

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     java.lang.String filename,
                     int format)

  Creates an instance of GLTexture using image file filename as source and the specified format.

  Parameters:
    `parent` - PApplet
    `filename` - String
    `format` - int

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     java.lang.String filename,
                     int format,
                     int filter)

  Creates an instance of GLTexture using image file filename as source and the specified format and filtering.

  Parameters:
    `parent` - PApplet
    `filename` - String
    `format` - int
    `filter` - int

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     int size)

  Creates an instance of GLTexture with power-of-two width and height that such that width * height is the closest to size. The texture is initialized (empty) to that size.

  Parameters:
    `parent` - PApplet
    `size` - int

### GLTexture

    public GLTexture(processing.core.PApplet parent,
                     int size,
                     GLTextureParameters params)

  Creates an instance of GLTexture with power-of-two width and height that such that width height is the closest to size, and with the specified parameters. The texture is initialized (empty) to that size.

  Parameters:
    `parent` - PApplet
    `size` - int
    `params` - GLTextureParameters

Method Detail

### init

    public void init(int width,
                     int height)

  Sets the size of the image and texture to width x height. If the texture is already initialized, it first destroys the current opengl texture object and then creates a new one with the specified size.

  Parameters:
    `width` - int
    `height` - int

### init

    public void init(int width,
                     int height,
                     GLTextureParameters params)

  Sets the size of the image and texture to width x height, and the parameters of the texture to params. If the texture is already initialized, it first destroys the current opengl texture object and then creates a new one with the specified size.

  Parameters:
    `width` - int
    `height` - int
    `params` - GLTextureParameters

### available

    public boolean available()

  Returns true if the texture has been initialized.

  Returns:
    boolean

### getTextureID

    public int getTextureID()

  Provides the ID of the opegl texture object.

  Returns:
    int

### getTextureTarget

    public int getTextureTarget()

  Returns the texture target.

  Returns:
    int

### getTextureInternalFormat

    public int getTextureInternalFormat()

  Returns the texture internal format.

  Returns:
    int

### getTextureMinFilter

    public int getTextureMinFilter()

  Returns the texture minimization filter.

  Returns:
    int

### getTextureMagFilter

    public int getTextureMagFilter()

  Returns the texture magnification filter.

  Returns:
    int

### usingMipmaps

    public boolean usingMipmaps()

  Returns true or false whether or not the texture is using mipmaps.

  Returns:
    boolean

### getMaxTextureCoordS

    public float getMaxTextureCoordS()

  Returns the maximum possible value for the texture coordinate S.

  Returns:
    float

### getMaxTextureCoordT

    public float getMaxTextureCoordT()

  Returns the maximum possible value for the texture coordinate T.

  Returns:
    float

### isFlippedX

    public boolean isFlippedX()

  Returns true if the texture is flipped along the horizontal direction.

  Returns:
    boolean;

### setFlippedX

    public void setFlippedX(boolean v)

  Sets the texture as flipped or not flipped on the horizontal direction.

  Parameters:
    `v` - boolean;

### isFlippedY

    public boolean isFlippedY()

  Returns true if the texture is flipped along the vertical direction.

  Returns:
    boolean;

### setFlippedY

    public void setFlippedY(boolean v)

  Sets the texture as flipped or not flipped on the vertical direction.

  Parameters:
    `v` - boolean;

### putImage

    public void putImage(processing.core.PImage img)

  Puts img into texture, pixels and image.

  Parameters:
    `img` - PImage

### putImage

    public void putImage(processing.core.PImage img,
                         int format)

  Puts img into texture, pixels and image.

  Parameters:
    `img` - PImage
    `format` - int

### putImage

    public void putImage(processing.core.PImage img,
                         int format,
                         int filter)

  Puts img into texture, pixels and image.

  Parameters:
    `img` - PImage
    `format` - int
    `filter` - int

### putImage

    public void putImage(processing.core.PImage img,
                         GLTextureParameters params)

  Puts img into texture, pixels and image.

  Parameters:
    `img` - PImage
    `params` - GLTextureParameters

### putPixelsIntoTexture

    public void putPixelsIntoTexture(processing.core.PImage img)

  Puts pixels of img into texture only.

  Parameters:
    `img` - PImage

### putPixelsIntoTexture

    public void putPixelsIntoTexture(processing.core.PImage img,
                                     int x,
                                     int y,
                                     int w,
                                     int h)

  Puts the pixels of img inside the rectangle (x, y, x+w, y+h) into texture only.

  Parameters:
    `img` - PImage
    `x` - int
    `y` - int
    `w` - int
    `h` - int

### getImage

    public void getImage(processing.core.PImage img)

  Copies texture to img.

  Parameters:
    `img` - PImage

### loadTexture

    public void loadTexture(java.lang.String filename)

  Load texture, pixels and image from file.

  Parameters:
    `filename` - String

### loadTexture

    public void loadTexture(java.lang.String filename,
                            GLTextureParameters params)

  Load texture, pixels and image from file using the specified texture parameters.

  Parameters:
    `filename` - String
    `params` - GLTextureParameters

### loadTexture

    public void loadTexture(java.lang.String filename,
                            int format)

  Load texture, pixels and image from file using the specified texture format.

  Parameters:
    `filename` - String
    `format` - int

### loadTexture

    public void loadTexture(java.lang.String filename,
                            int format,
                            int filter)

  Load texture, pixels and image from file using the specified texture format and filtering.

  Parameters:
    `filename` - String
    `format` - int
    `filter` - int

### loadTexture

    public void loadTexture()

  Copy pixels to texture (loadPixels should have been called beforehand).

### updateTexture

    public void updateTexture()

  Copy texture to pixels (doesn't call updatePixels).

### filter

    public void filter(GLTextureFilter texFilter,
                       GLTexture destTex)

  Applies filter texFilter using this texture as source and destTex as destination.

  Parameters:
    `texFilter` - GLTextureFilter
    `destTex` - GLTexture

### filter

    public void filter(GLTextureFilter texFilter,
                       GLTexture destTex,
                       float[]... values)

  Applies filter texFilter using this texture as source and destTex as destination. Sets all the value for all the parameters, by means of a parameter list of variable length. values is an array of float[].

  Parameters:
    `texFilter` - GLTextureFilter
    `destTex` - GLTexture
    `float[]` - values

### filter

    public void filter(GLTextureFilter texFilter,
                       GLTexture destTex,
                       float fadeConst)

  Applies filter texFilter using this texture as source, destTex as destination and fadeConst as the fading constant for the filter.

  Parameters:
    `texFilter` - GLTextureFilter
    `destTex` - GLTexture
    `fadeConst` - float

### filter

    public void filter(GLTextureFilter texFilter,
                       GLTexture destTex,
                       float fadeConst,
                       float[]... values)

  Applies filter texFilter using this texture as source, destTex as destination and fadeConst as the fading constant for the filter. Sets all the value for all the parameters, by means of a parameter list of variable length. values is an array of float[].

  Parameters:
    `texFilter` - GLTextureFilter
    `destTex` - GLTexture
    `fadeConst` - float
    `float[]` - values

### filter

    public void filter(GLTextureFilter texFilter,
                       GLTexture[] destTexArray,
                       float fadeConst)

  Applies filter texFilter using this texture as source, destTex as multiple destinations and fadeConst as the fading constant for the filter.

  Parameters:
    `texFilter` - GLTextureFilter
    `destTexArray` - GLTexture[]
    `fadeConst` - float

### filter

    public void filter(GLTextureFilter texFilter,
                       GLTexture[] destTexArray,
                       float fadeConst,
                       float[]... values)

  Applies filter texFilter using this texture as source, destTex as multiple destinations and fadeConst as the fading constant for the filter. Sets all the value for all the parameters, by means of a parameter list of variable length. values is an array of float[].

  Parameters:
    `texFilter` - GLTextureFilter
    `destTexArray` - GLTexture[]
    `fadeConst` - float
    `float[]` - values

### render

    public void render()

  Draws the texture using the opengl commands, inside a rectangle located at the origin with the original size of the texture.

### render

    public void render(float x,
                       float y)

  Draws the texture using the opengl commands, inside a rectangle located at (x,y) with the original size of the texture.

  Parameters:
    `x` - float
    `y` - float

### render

    public void render(float x,
                       float y,
                       float w,
                       float h)

  Draws the texture using the opengl commands, inside a rectangle of width w and height h located at (x,y).

  Parameters:
    `x` - float
    `y` - float
    `w` - float
    `h` - float

### putBuffer

    public void putBuffer(int[] intArray)

  Copies intArray into the texture, assuming that the array contains 4 color components and pixels are unsigned bytes.

  Parameters:
    `intArray` - int[]

### putBuffer

    public void putBuffer(int[] intArray,
                          int format)

  Copies intArray into the texture, using the specified format and assuming that the pixels are unsigned bytes.

  Parameters:
    `intArray` - int[]
    `format` - int

### putByteBuffer

    public void putByteBuffer(int[] intArray,
                              int format)

  Copies intArray into the texture, using the specified format and assuming that the pixels are unsigned bytes.

  Parameters:
    `intArray` - int[]
    `format` - int

### putIntBuffer

    public void putIntBuffer(int[] intArray,
                             int format)

  Copies intArray into the texture, using the specified format and assuming that the pixels are integers.

  Parameters:
    `intArray` - int[]
    `format` - int

### putBuffer

    public void putBuffer(int[] intArray,
                          int format,
                          int type)

  Copies intArray into the texture, using the format and type specified.

  Parameters:
    `intArray` - int[]
    `format` - int
    `type` - int

### putBuffer

    public void putBuffer(java.nio.IntBuffer buffer,
                          int format,
                          int type)

  Copies buffer into the texture, using the format and type specified.

  Parameters:
    `buffer` - IntBuffer
    `format` - int
    `type` - int

### putBuffer

    public void putBuffer(float[] floatArray)

  Copies floatArray into the texture, assuming that the array has 4 components.

  Parameters:
    `floatArray` - float[]
    `format` - int

### putBuffer

    public void putBuffer(float[] floatArray,
                          int format)

  Copies floatArray into the texture, using the specified format.

  Parameters:
    `floatArray` - float[]
    `format` - int

### getBuffer

    public void getBuffer(int[] intArray)

  Copies the texture into intArray, assuming that the array has 4 components and the pixels are unsigned bytes.

  Parameters:
    `intArray` - int[]
    `format` - int

### getBuffer

    public void getBuffer(int[] intArray,
                          int format)

  Copies the texture into intArray, using the specified format and assuming that the pixels are unsigned bytes.

  Parameters:
    `intArray` - int[]
    `format` - int

### getByteBuffer

    public void getByteBuffer(int[] intArray,
                              int format)

  Copies the texture into intArray, using the specified format and assuming that the pixels are unsigned bytes.

  Parameters:
    `intArray` - int[]
    `format` - int

### getIntBuffer

    public void getIntBuffer(int[] intArray,
                             int format)

  Copies the texture into intArray, using the specified format and assuming that the pixels are integers.

  Parameters:
    `intArray` - int[]
    `format` - int

### getBuffer

    public void getBuffer(int[] intArray,
                          int format,
                          int type)

  Copies the texture into intArray, using the specified format and type.

  Parameters:
    `intArray` - int[]
    `format` - int
    `type` - int

### getBuffer

    public void getBuffer(float[] floatArray,
                          int format)

  Copies the texture into floatArray.

  Parameters:
    `floatArray` - float[]
    `format` - int

### setRandom

    public void setRandom(float r0,
                          float r1,
                          float g0,
                          float g1,
                          float b0,
                          float b1,
                          float a0,
                          float a1)

  Sets the texture to have random values in the ranges specified for each component.

  Parameters:
    `r0` - float
    `r1` - float
    `g0` - float
    `g1` - float
    `b0` - float
    `b1` - float
    `a0` - float
    `a1` - float

### setRandomDir2D

    public void setRandomDir2D(float r0,
                               float r1,
                               float phi0,
                               float phi1)

  Sets the texture to have random values in the first two coordinates chosen on the circular region defined by the parameters.

  Parameters:
    `r0` - float
    `r1` - float
    `phi0` - float
    `phi1` - float

### setRandomDir3D

    public void setRandomDir3D(float r0,
                               float r1,
                               float phi0,
                               float phi1,
                               float theta0,
                               float theta1)

  Sets the texture to have random values in the first three coordinates chosen on the spherical region defined by the parameters.

  Parameters:
    `r0` - float
    `r1` - float
    `phi0` - float
    `phi1` - float
    `theta0` - float
    `theta1` - float

### setValue

    public void setValue(float r,
                         float g,
                         float b,
                         float a)

  Sets the texture to have the same given float value in each component.

  Parameters:
    `r` - float
    `g` - float
    `b` - float
    `a` - float

### setZero

    public void setZero()

  Sets to zero all the pixels of the texture.

### clear

    public void clear(int gray)

  Fills the texture with the specified gray tone.

  Parameters:
    `gray` - int

### clear

    public void clear(float gray)

  Fills the texture with the specified gray tone.

  Parameters:
    `gray` - float

### clear

    public void clear(int gray,
                      int alpha)

  Fills the texture with the specified gray tone and alpha value.

  Parameters:
    `gray` - int
    `alpha` - int

### clear

    public void clear(int rgb,
                      float alpha)

  Fills the texture with the specified rgb color and alpha value.

  Parameters:
    `rgb` - int
    `alpha` - float

### clear

    public void clear(float gray,
                      float alpha)

  Fills the texture with the specified gray tone and alpha value.

  Parameters:
    `gray` - float
    `alpha` - float

### clear

    public void clear(int x,
                      int y,
                      int z)

  Fills the texture with the specified color components.

  Parameters:
    `x` - int
    `y` - int
    `z` - int

### clear

    public void clear(float x,
                      float y,
                      float z)

  Fills the texture with the specified color components.

  Parameters:
    `x` - float
    `y` - float
    `z` - float

### clear

    public void clear(int x,
                      int y,
                      int z,
                      int a)

  Fills the texture with the specified color components and alpha component.

  Parameters:
    `x` - int
    `y` - int
    `z` - int
    `a` - int

### clear

    public void clear(float x,
                      float y,
                      float z,
                      float a)

  Fills the texture with the specified color components and alpha component.

  Parameters:
    `x` - float
    `y` - float
    `z` - float
    `a` - float

### paint

    public void paint(int gray)

  Paints the texture with the specified gray tone.

  Parameters:
    `gray` - int

### paint

    public void paint(float gray)

  Paints the texture with the specified gray tone.

  Parameters:
    `gray` - float

### paint

    public void paint(int gray,
                      int alpha)

  Paints the texture with the specified gray tone and alpha value.

  Parameters:
    `gray` - int
    `alpha` - int

### paint

    public void paint(int rgb,
                      float alpha)

  Paints the texture with the specified rgb color and alpha value.

  Parameters:
    `rgb` - int
    `alpha` - float

### paint

    public void paint(float gray,
                      float alpha)

  Paints the texture with the specified gray tone and alpha value.

  Parameters:
    `gray` - float
    `alpha` - float

### paint

    public void paint(int x,
                      int y,
                      int z)

  Paints the texture with the specified color components.

  Parameters:
    `x` - int
    `y` - int
    `z` - int

### paint

    public void paint(float x,
                      float y,
                      float z)

  Paints the texture with the specified color components.

  Parameters:
    `x` - float
    `y` - float
    `z` - float

### paint

    public void paint(int x,
                      int y,
                      int z,
                      int a)

  Paints the texture with the specified color components and alpha component.

  Parameters:
    `x` - int
    `y` - int
    `z` - int
    `a` - int

### paint

    public void paint(float x,
                      float y,
                      float z,
                      float a)

  Paints the texture with the specified color components and alpha component.

  Parameters:
    `x` - float
    `y` - float
    `z` - float
    `a` - float

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processing library glgraphics by Andres Colubri. (c) 2008