200 lines
5.6 KiB
Python
200 lines
5.6 KiB
Python
# Blender.Image module and the Image PyType object
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"""
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The Blender.Image submodule.
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Image
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=====
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B{New}: L{Image.setFilename}.
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This module provides access to B{Image} objects in Blender.
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Example::
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import Blender
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from Blender import Image
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#
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image = Image.Load("/path/to/my/image.png") # load an image file
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print "Image from", image.getFilename(),
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print "loaded to obj", image.getName())
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image.setXRep(4) # set x tiling factor
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image.setYRep(2) # set y tiling factor
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print "All Images available now:", Image.Get()
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"""
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def Load (filename):
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"""
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Load the image called 'filename' into an Image object.
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@type filename: string
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@param filename: The full path to the image file.
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@rtype: Blender Image
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@return: A Blender Image object with the data from I{filename}.
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"""
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def New (name):
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"""
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Create a new Image object (not implemented yet!).
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@type name: string
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@param name: The name of the new Image object.
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@rtype: Blender Image
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@return: A new Blender Image object.
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@warn: This function wasn't implemented yet. It simply returns None.
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"""
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def Get (name = None):
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"""
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Get the Image object(s) from Blender.
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@type name: string
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@param name: The name of the Image object.
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@rtype: Blender Image or a list of Blender Images
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@return: It depends on the I{name} parameter:
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- (name): The Image object called I{name}, None if not found;
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- (): A list with all Image objects in the current scene.
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"""
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class Image:
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"""
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The Image object
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================
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This object gives access to Images in Blender.
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@cvar name: The name of this Image object.
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@cvar filename: The filename (path) to the image file loaded into this Image
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object.
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@cvar size: The [width, height] dimensions of the image (in pixels).
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@cvar depth: The pixel depth of the image.
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@cvar xrep: Texture tiling: the number of repetitions in the x (horizontal)
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axis.
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@cvar yrep: Texture tiling: the number of repetitions in the y (vertical)
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axis.
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@cvar bindcode: Texture's bind code (readonly).
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"""
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def getName():
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"""
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Get the name of this Image object.
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@rtype: string
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"""
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def getFilename():
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"""
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Get the filename of the image file loaded into this Image object.
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@rtype: string
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"""
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def getSize():
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"""
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Get the [width, height] dimensions (in pixels) of this image.
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@rtype: list of 2 ints
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"""
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def getDepth():
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"""
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Get the pixel depth of this image.
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@rtype: int
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"""
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def getPixelF(x, y):
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"""
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Get the the colors of the current pixel in the form [r,g,b,a].
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Returned values are floats normalized to 0.0 - 1.0.
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Pixel coordinates are in the range from 0 to N-1. See L{getMaxXY}
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@returns: [ r, g, b, a]
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@rtype: list of 4 floats
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@type x: int
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@type y: int
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@param x: the x coordinate of pixel.
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@param y: the y coordinate of pixel.
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"""
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def getMaxXY():
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"""
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Get the x & y size for the image. Image coordinates range from 0 to size-1.
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@returns: [x, y]
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@rtype: list of 2 ints
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"""
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def getXRep():
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"""
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Get the number of repetitions in the x (horizontal) axis for this Image.
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This is for texture tiling.
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@rtype: int
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"""
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def getYRep():
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"""
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Get the number of repetitions in the y (vertical) axis for this Image.
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This is for texture tiling.
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@rtype: int
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"""
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def getBindCode():
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"""
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Get the Image's bindcode. This is for texture loading using BGL calls.
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See, for example, L{BGL.glBindTexture} and L{glLoad}.
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@rtype: int
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"""
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def reload():
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"""
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Reloads this image from the filesystem. If used within a loop you need to
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redraw the Window to see the change in the image, e.g. with
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Window.RedrawAll().
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@warn: if the image file is corrupt or still being written, it will be
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replaced by a blank image in Blender, but no error will be returned.
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@returns: None
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"""
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def glLoad():
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"""
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Load this image's data into OpenGL texture memory, if it is not already
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loaded (image.bindcode is 0 if it is not loaded yet).
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@note: Usually you don't need to call this method. It is only necessary
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if you want to draw textured objects in the Scripts window and the
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image's bind code is zero at that moment, otherwise Blender itself can
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take care of binding / unbinding textures. Calling this method for an
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image with nonzero bind code simply returns the image's bind code value
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(see L{getBindCode}).
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@rtype: int
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@returns: the texture's bind code.
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"""
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def glFree():
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"""
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Delete this image's data from OpenGL texture memory, only (the image itself
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is not removed from Blender's memory). Internally, glDeleteTextures (see
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L{BGL.glDeleteTextures}) is used, but this method also updates Blender's
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Image object so that its bind code is set to 0. See also L{Image.glLoad},
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L{Image.getBindCode}.
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"""
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def setName(name):
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"""
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Set the name of this Image object.
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@type name: string
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@param name: The new name.
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"""
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def setFilename(name):
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"""
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Change the filename of this Image object.
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@type name: string
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@param name: The new full filename.
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@warn: use this with caution and note that the filename is truncated if
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larger than 160 characters.
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"""
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def setXRep(xrep):
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"""
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Texture tiling: set the number of x repetitions for this Image.
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@type xrep: int
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@param xrep: The new value in [1, 16].
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"""
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def setYRep(yrep):
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"""
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Texture tiling: set the number of y repetitions for this Image.
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@type yrep: int
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@param yrep: The new value in [1, 16].
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"""
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