forked from bartvdbraak/blender
Annotation of the BGL module - small clarifications about Buffer class
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@ -60,46 +60,11 @@ Example::
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#
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#
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Draw.Register(show_win, ev, None) # start the main loop
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Draw.Register(show_win, ev, None) # start the main loop
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Example with Buffer::
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import Blender
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from Blender import BGL
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myByteBuffer = BGL.Buffer(BGL.GL_BYTE, [32,32])
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BGL.glGetPolygonStipple(myByteBuffer)
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print myByteBuffer.dimensions
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print myByteBuffer.list
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sliceBuffer = myByteBuffer[0:16]
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print sliceBuffer
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@see: U{www.opengl.org}
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@see: U{www.opengl.org}
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@see: U{nehe.gamedev.net}
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@see: U{nehe.gamedev.net}
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"""
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"""
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def buffer(type, dimensions, template):
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"""
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This will create a new Buffer object for use with other BGL OpenGL commands.
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Only the type of argument to store in the buffer and the dimensions of the buffer
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are necessary. Buffers are zeroed by default unless a template is supplied, in
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which case the buffer is initialized to the template.
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@type type: int
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@param type: The format to store data in. The type should be one of
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GL_BYTE, GL_SHORT, GL_INT, or GL_FLOAT.
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@type dimensions: An int or sequence object specifying the dimensions of the buffer.
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@param dimensions: If the dimensions are specified as an int a linear array will
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be created for the buffer. If a sequence is passed for the dimensions, the buffer
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becomes n-Dimensional, where n is equal to the number of parameters passed in the
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sequence. Example: [256,2] is a two- dimensional buffer while [256,256,4] creates
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a three- dimensional buffer. You can think of each additional dimension as a subitem
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of the dimension to the left. i.e. [10,2] is a 10 element array each with 2 subitems.
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[(0,0), (0,1), (1,0), (1,1), (2,0), ...] etc.
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@type template: A python sequence object (optional)
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@param template: A sequence of matching dimensions which will be used to initialize
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the Buffer. If a template is not passed in all fields will be initialized to 0.
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@rtype: Buffer object
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@return: The newly created buffer as a PyObject.
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"""
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def glAccum(op, value):
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def glAccum(op, value):
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"""
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"""
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Operate on the accumulation buffer
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Operate on the accumulation buffer
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@ -1637,10 +1602,45 @@ class Buffer:
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parameter, while in other instances the user will want to create just a blank buffer
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parameter, while in other instances the user will want to create just a blank buffer
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which will be zeroed by default.
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which will be zeroed by default.
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Example with Buffer::
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import Blender
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from Blender import BGL
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myByteBuffer = BGL.Buffer(BGL.GL_BYTE, [32,32])
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BGL.glGetPolygonStipple(myByteBuffer)
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print myByteBuffer.dimensions
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print myByteBuffer.list
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sliceBuffer = myByteBuffer[0:16]
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print sliceBuffer
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@cvar list: The contents of the Buffer.
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@cvar list: The contents of the Buffer.
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@cvar dimensions: The size of the Buffer.
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@cvar dimensions: The size of the Buffer.
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"""
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"""
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def __init__(type, dimensions, template = None):
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"""
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This will create a new Buffer object for use with other BGL OpenGL commands.
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Only the type of argument to store in the buffer and the dimensions of the buffer
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are necessary. Buffers are zeroed by default unless a template is supplied, in
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which case the buffer is initialized to the template.
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@type type: int
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@param type: The format to store data in. The type should be one of
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GL_BYTE, GL_SHORT, GL_INT, or GL_FLOAT.
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@type dimensions: An int or sequence object specifying the dimensions of the buffer.
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@param dimensions: If the dimensions are specified as an int a linear array will
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be created for the buffer. If a sequence is passed for the dimensions, the buffer
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becomes n-Dimensional, where n is equal to the number of parameters passed in the
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sequence. Example: [256,2] is a two- dimensional buffer while [256,256,4] creates
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a three- dimensional buffer. You can think of each additional dimension as a subitem
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of the dimension to the left. i.e. [10,2] is a 10 element array each with 2 subitems.
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[(0,0), (0,1), (1,0), (1,1), (2,0), ...] etc.
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@type template: A python sequence object (optional)
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@param template: A sequence of matching dimensions which will be used to initialize
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the Buffer. If a template is not passed in all fields will be initialized to 0.
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@rtype: Buffer object
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@return: The newly created buffer as a PyObject.
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"""
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