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bge.texture doc, needed whitespace to format correctly.

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Campbell Barton
2011-07-07 19:35:55 +00:00
parent af27622a87
commit 9a0de18a52
1 changed files with 227 additions and 129 deletions
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doc/python_api/rst/bge.texture.rst
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@@ -27,13 +27,13 @@ bge.texture uses FFmpeg to load images and videos. All the formats and codecs th
* dv1394 camera
* video4linux capture card (this includes many webcams)
* videoForWindows capture card (this includes many webcams)
* JPG
* JPG
The principle is simple: first you identify a texture on an existing object using
The principle is simple: first you identify a texture on an existing object using
the :materialID: function, then you create a new texture with dynamic content
and swap the two textures in the GPU.
The GE is not aware of the substitution and continues to display the object as always,
The GE is not aware of the substitution and continues to display the object as always,
except that you are now in control of the texture.
When the texture object is deleted, the new texture is deleted and the old texture restored.
@@ -43,384 +43,481 @@ When the texture object is deleted, the new texture is deleted and the old textu
.. class:: VideoFFmpeg(file [, capture=-1, rate=25.0, width=0, height=0])
FFmpeg video source
.. attribute:: status
video status
.. attribute:: range
.. attribute:: range
replay range
.. attribute:: repeat
repeat count, -1 for infinite repeat
:type: int
.. attribute:: framerate
frame rate
:type: float
.. attribute:: valid
Tells if an image is available
:type: bool
.. attribute:: image
image data
.. attribute:: size
image size
.. attribute:: scale
fast scale of image (near neighbour)
.. attribute:: flip
flip image vertically
.. attribute:: filter
pixel filter
.. attribute:: preseek
number of frames of preseek
:type: int
.. attribute:: deinterlace
deinterlace image
:type: bool
.. method:: play()
Play (restart) video
.. method:: pause()
pause video
.. method:: stop()
stop video (play will replay it from start)
.. method:: refresh()
Refresh video - get its status
.. class:: ImageFFmpeg(file)
FFmpeg image source
.. attribute:: status
video status
.. attribute:: valid
Tells if an image is available
:type: bool
.. attribute:: image
image data
.. attribute:: size
image size
.. attribute:: scale
fast scale of image (near neighbour)
.. attribute:: flip
flip image vertically
.. attribute:: filter
pixel filter
.. method:: refresh()
Refresh image, i.e. load it
.. method:: reload([newname])
Reload image, i.e. reopen it
.. class:: ImageBuff()
Image source from image buffer
.. attribute:: filter
pixel filter
.. attribute:: flip
flip image vertically
.. attribute:: image
image data
.. method:: load(imageBuffer, width, height)
Load image from buffer
.. method:: plot(imageBuffer, width, height, positionX, positionY)
update image buffer
.. attribute:: scale
fast scale of image (near neighbour)
.. attribute:: size
image size
.. attribute:: valid
bool to tell if an image is available
.. class:: ImageMirror(scene)
Image source from mirror
.. attribute:: alpha
use alpha in texture
.. attribute:: background
background color
.. attribute:: capsize
size of render area
.. attribute:: clip
clipping distance
.. attribute:: filter
pixel filter
.. attribute:: flip
flip image vertically
.. attribute:: image
image data
.. method:: refresh(imageMirror)
Refresh image - invalidate its current content
.. attribute:: scale
fast scale of image (near neighbour)
.. attribute:: size
image size
.. attribute:: valid
bool to tell if an image is available
.. attribute:: whole
use whole viewport to render
.. class:: ImageMix()
Image mixer
.. attribute:: filter
pixel filter
.. attribute:: flip
flip image vertically
.. method:: getSource(imageMix)
get image source
.. method:: getWeight(imageMix)
get image source weight
.. attribute:: image
image data
.. method:: refresh(imageMix)
Refresh image - invalidate its current content
.. attribute:: scale
fast scale of image (near neighbour)
.. method:: setSource(imageMix)
set image source
.. method:: setWeight(imageMix)
set image source weight
.. attribute:: valid
bool to tell if an image is available
.. class:: ImageRender(scene, camera)
Image source from render
.. attribute:: alpha
use alpha in texture
.. attribute:: background
background color
.. attribute:: capsize
size of render area
.. attribute:: filter
pixel filter
.. attribute:: flip
flip image vertically
.. attribute:: image
image data
.. method:: refresh(imageRender)
Refresh image - invalidate its current content
.. attribute:: scale
fast scale of image (near neighbour)
.. attribute:: size
image size
.. attribute:: valid
bool to tell if an image is available
.. attribute:: whole
use whole viewport to render
.. class:: ImageViewport()
Image source from viewport
.. attribute:: alpha
use alpha in texture
.. attribute:: capsize
size of viewport area being captured
.. attribute:: filter
pixel filter
.. attribute:: flip
flip image vertically
.. attribute:: image
image data
.. attribute:: position
upper left corner of captured area
.. method:: refresh(imageViewport)
Refresh image - invalidate its current content
.. attribute:: scale
fast scale of image (near neighbour)
.. attribute:: size
image size
.. attribute:: valid
bool to tell if an image is available
.. attribute:: whole
use whole viewport to capture
.. class:: Texture(gameObj)
Texture objects
.. attribute:: bindId
OpenGL Bind Name
.. method:: close(texture)
Close dynamic texture and restore original
.. attribute:: mipmap
mipmap texture
.. method:: refresh(texture)
Refresh texture from source
.. attribute:: source
source of texture
.. class:: FilterBGR24()
Source filter BGR24 objects
.. class:: FilterBlueScreen()
Filter for Blue Screen objects
.. attribute:: color
blue screen color
.. attribute:: limits
blue screen color limits
.. attribute:: previous
previous pixel filter
.. class:: FilterColor()
Filter for color calculations
.. attribute:: matrix
matrix [4][5] for color calculation
.. attribute:: previous
previous pixel filter
.. class:: FilterGray()
Filter for gray scale effect
.. attribute:: previous
previous pixel filter
.. class:: FilterLevel()
Filter for levels calculations
.. attribute:: levels
levels matrix [4] (min, max)
.. attribute:: previous
previous pixel filter
.. class:: FilterNormal()
Filter for Blue Screen objects
.. attribute:: colorIdx
index of color used to calculate normal (0 - red, 1 - green, 2 - blue)
.. attribute:: depth
depth of relief
.. attribute:: previous
previous pixel filter
.. class:: FilterRGB24()
Returns a new input filter object to be used with :class:`ImageBuff` object when the image passed
to the ImageBuff.load() function has the 3-bytes pixel format BGR.
.. class:: FilterRGBA32()
Source filter RGBA32 objects
.. function:: getLastError()
Last error that occurred in a bge.texture function.
:return: the description of the last error occurred in a bge.texture function.
:rtype: string
.. function:: imageToArray(image,mode)
Returns a :class:`~bgl.buffer` corresponding to the current image stored in a texture source object.
:arg image: Image source object.
:type image: object of type :class:`VideoFFmpeg`, :class:`ImageFFmpeg`, :class:`ImageBuff`, :class:`ImageMix`, :class:`ImageRender`, :class:`ImageMirror` or :class:`ImageViewport`
:arg mode: optional argument representing the pixel format.
You can use the characters R, G, B for the 3 color channels, A for the alpha channel,
:arg mode: optional argument representing the pixel format.
You can use the characters R, G, B for the 3 color channels, A for the alpha channel,
0 to force a fixed 0 color channel and 1 to force a fixed 255 color channel.
Example: "BGR" will return 3 bytes per pixel with the Blue, Green and Red channels in that order.
Example: "BGR" will return 3 bytes per pixel with the Blue, Green and Red channels in that order.
"RGB1" will return 4 bytes per pixel with the Red, Green, Blue channels in that order and the alpha channel forced to 255.
The default mode is "RGBA".
:type mode: string
:rtype: :class:`~bgl.buffer`
:return: A object representing the image as one dimensional array of bytes of size (pixel_size*width*height),
line by line starting from the bottom of the image. The pixel size and format is determined by the mode
line by line starting from the bottom of the image. The pixel size and format is determined by the mode
parameter.
.. function materialID(object,name)
Returns a numeric value that can be used in :class:`Texture` to create a dynamic texture.
The value corresponds to an internal material number that uses the texture identified
@@ -430,21 +527,22 @@ When the texture object is deleted, the new texture is deleted and the old textu
position of the texture stack. name can also have MA prefix if you want to identify
the texture by material. In that case the material must have a texture channel in first
position.
If the object has no material that matches name, it generates a runtime error. Use try/except to catch the exception.
Ex: bge.texture.materialID(obj, 'IMvideo.png')
:arg object: the game object that uses the texture you want to make dynamic
:type object: game object
:arg name: name of the texture/material you want to make dynamic.
:arg name: name of the texture/material you want to make dynamic.
:type name: string
:rtype: integer
.. function setLogFile(filename)
Sets the name of a text file in which runtime error messages will be written, in addition to the printing
of the messages on the Python console. Only the runtime errors specific to the VideoTexture module
are written in that file, ordinary runtime time errors are not written.
are written in that file, ordinary runtime time errors are not written.
:arg filename: name of error log file
:type filename: string