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# -*- coding: utf-8 -*-
# -----------------------------------------------------------------------------
# Copyright (c) 2014, Nicolas P. Rougier
# Distributed under the (new) BSD License. See LICENSE.txt for more info.
# -----------------------------------------------------------------------------
"""
Antigrain Geometry Point Collection
This collection provides fast points. Output quality is perfect.
"""
from ... import glsl
from . raw_point_collection import RawPointCollection
class AggPointCollection(RawPointCollection):
"""
Antigrain Geometry Point Collection
This collection provides fast points. Output quality is perfect.
"""
def __init__(self, user_dtype=None, transform=None,
vertex=None, fragment=None, **kwargs):
"""
Initialize the collection.
Parameters
----------
user_dtype: list
The base dtype can be completed (appended) by the used_dtype. It
only make sense if user also provide vertex and/or fragment shaders
vertex: string
Vertex shader code
fragment: string
Fragment shader code
transform : Transform instance
Used to define the GLSL transform(vec4) function
color : string
'local', 'shared' or 'global'
"""
if vertex is None:
vertex = glsl.get("collections/agg-point.vert")
if fragment is None:
fragment = glsl.get("collections/agg-point.frag")
RawPointCollection.__init__(self, user_dtype=user_dtype,
transform=transform,
vertex=vertex, fragment=fragment, **kwargs)
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