Mercurial > parpg-source

annotate bGrease/renderer/vector.py @ 150:80672955ab70

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
PARPG now works with, and needs Fife 0.3.3.
author KarstenBock@gmx.net
date Tue, 11 Oct 2011 14:47:37 +0200
parents e856b604b650
children
rev   line source
65
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
1 #############################################################################
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
2 #
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
3 # Copyright (c) 2010 by Casey Duncan and contributors
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
4 # All Rights Reserved.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
5 #
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
6 # This software is subject to the provisions of the MIT License
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
7 # A copy of the license should accompany this distribution.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
8 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
9 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
10 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
11 #
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
12 #############################################################################
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
13
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
14 __version__ = '$Id$'
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
15
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
16 __all__ = ('Vector',)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
17
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
18 from parpg.bGrease.geometry import Vec2d
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
19 import ctypes
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
20 from math import sin, cos, radians
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
21 import pyglet
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
22
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
23
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
24 class Vector(object):
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
25 """Renders shapes in a classic vector graphics style
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
26
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
27 :param scale: Scaling factor applied to shape vertices when rendered.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
28
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
29 :param line_width: The line width provided to ``glLineWidth`` before rendering.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
30 If not specified or None, ``glLineWidth`` is not called, and the line
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
31 width used is determined by the OpenGL state at the time of rendering.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
32
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
33 :param anti_alias: If ``True``, OpenGL blending and line smoothing is enabled.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
34 This allows for fractional line widths as well. If ``False``, the blending
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
35 and line smoothing modes are unchanged.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
36
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
37 :param corner_fill: If true (the default), the shape corners will be filled
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
38 with round points when the ``line_width`` exceeds 2.0. This improves
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
39 the visual quality of the rendering at larger line widths at some
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
40 cost to performance. Has no effect if ``line_width`` is not specified.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
41
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
42 :param position_component: Name of :class:`grease.component.Position`
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
43 component to use. Shapes rendered are offset by the entity positions.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
44
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
45 :param renderable_component: Name of :class:`grease.component.Renderable`
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
46 component to use. This component specifies the entities to be
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
47 rendered and their base color.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
48
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
49 :param shape_component: Name of :class:`grease.component.Shape`
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
50 component to use. Source of the shape vertices for each entity.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
51
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
52 The entities rendered are taken from the intersection of he position,
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
53 renderable and shape components each time :meth:`draw` is called.
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
54 """
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
55
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
56 CORNER_FILL_SCALE = 0.6
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
57 CORNER_FILL_THRESHOLD = 2.0
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
58
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
59 def __init__(self, scale=1.0, line_width=None, anti_alias=True, corner_fill=True,
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
60 position_component='position',
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
61 renderable_component='renderable',
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
62 shape_component='shape'):
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
63 self.scale = float(scale)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
64 self.corner_fill = corner_fill
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
65 self.line_width = line_width
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
66 self.anti_alias = anti_alias
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
67 self._max_line_width = None
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
68 self.position_component = position_component
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
69 self.renderable_component = renderable_component
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
70 self.shape_component = shape_component
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
71
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
72 def set_world(self, world):
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
73 self.world = world
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
74
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
75 def _generate_verts(self):
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
76 """Generate vertex and index arrays for rendering"""
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
77 vert_count = sum(len(shape.verts) + 1
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
78 for shape, ignored, ignored in self.world.components.join(
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
79 self.shape_component, self.position_component, self.renderable_component))
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
80 v_array = (CVertColor * vert_count)()
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
81 if vert_count > 65536:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
82 i_array = (ctypes.c_uint * 2 * vert_count)()
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
83 i_size = pyglet.gl.GL_UNSIGNED_INT
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
84 else:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
85 i_array = (ctypes.c_ushort * (2 * vert_count))()
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
86 i_size = pyglet.gl.GL_UNSIGNED_SHORT
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
87 v_index = 0
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
88 i_index = 0
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
89 scale = self.scale
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
90 rot_vec = Vec2d(0, 0)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
91 for shape, position, renderable in self.world.components.join(
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
92 self.shape_component, self.position_component, self.renderable_component):
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
93 shape_start = v_index
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
94 angle = radians(-position.angle)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
95 rot_vec.x = cos(angle)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
96 rot_vec.y = sin(angle)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
97 r = int(renderable.color.r * 255)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
98 g = int(renderable.color.g * 255)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
99 b = int(renderable.color.b * 255)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
100 a = int(renderable.color.a * 255)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
101 for vert in shape.verts:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
102 vert = vert.cpvrotate(rot_vec) * scale + position.position
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
103 v_array[v_index].vert.x = vert.x
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
104 v_array[v_index].vert.y = vert.y
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
105 v_array[v_index].color.r = r
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
106 v_array[v_index].color.g = g
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
107 v_array[v_index].color.b = b
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
108 v_array[v_index].color.a = a
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
109 if v_index > shape_start:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
110 i_array[i_index] = v_index - 1
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
111 i_index += 1
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
112 i_array[i_index] = v_index
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
113 i_index += 1
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
114 v_index += 1
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
115 if shape.closed and v_index - shape_start > 2:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
116 i_array[i_index] = v_index - 1
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
117 i_index += 1
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
118 i_array[i_index] = shape_start
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
119 i_index += 1
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
120 return v_array, i_size, i_array, i_index
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
121
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
122 def draw(self, gl=pyglet.gl):
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
123 vertices, index_size, indices, index_count = self._generate_verts()
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
124 if index_count:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
125 if self.anti_alias:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
126 gl.glEnable(gl.GL_LINE_SMOOTH)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
127 gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
128 gl.glEnable(gl.GL_BLEND)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
129 gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
130 gl.glPushClientAttrib(gl.GL_CLIENT_VERTEX_ARRAY_BIT)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
131 gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
132 gl.glEnableClientState(gl.GL_COLOR_ARRAY)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
133 gl.glVertexPointer(
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
134 2, gl.GL_FLOAT, ctypes.sizeof(CVertColor), ctypes.pointer(vertices))
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
135 gl.glColorPointer(
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
136 4, gl.GL_UNSIGNED_BYTE, ctypes.sizeof(CVertColor),
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
137 ctypes.pointer(vertices[0].color))
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
138 if self.line_width is not None:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
139 gl.glLineWidth(self.line_width)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
140 if self._max_line_width is None:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
141 range_out = (ctypes.c_float * 2)()
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
142 gl.glGetFloatv(gl.GL_ALIASED_LINE_WIDTH_RANGE, range_out)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
143 self._max_line_width = float(range_out[1]) * self.CORNER_FILL_SCALE
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
144 if self.corner_fill and self.line_width > self.CORNER_FILL_THRESHOLD:
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
145 gl.glEnable(gl.GL_POINT_SMOOTH)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
146 gl.glPointSize(
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
147 min(self.line_width * self.CORNER_FILL_SCALE, self._max_line_width))
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
148 gl.glDrawArrays(gl.GL_POINTS, 0, index_count)
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
149 gl.glDrawElements(gl.GL_LINES, index_count, index_size, ctypes.pointer(indices))
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
150 gl.glPopClientAttrib()
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
151
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
152
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
153 class CVert(ctypes.Structure):
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
154 _fields_ = [("x", ctypes.c_float), ("y", ctypes.c_float)]
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
155
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
156 class CColor(ctypes.Structure):
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
157 _fields_ = [
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
158 ("r", ctypes.c_ubyte),
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
159 ("g", ctypes.c_ubyte),
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
160 ("b", ctypes.c_ubyte),
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
161 ("a", ctypes.c_ubyte),
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
162 ]
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
163
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
164 class CVertColor(ctypes.Structure):
e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
KarstenBock@gmx.net
parents: 41
diff changeset
165 _fields_ = [("vert", CVert), ("color", CColor)]