def _draw(self):
p = self.parameters
side = p.side
height = side * numpy.sqrt(3) / 2.
center = VisionEgg._get_center(p.position, p.anchor, (side, height))
position = numpy.array(center)
hh = height / 2
ll = position - (hh, hh)
lr = position - (-hh, hh)
u = position + (0., hh)
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
gl.glBegin(gl.GL_TRIANGLES)
self._draw_vertices(ll, lr, u)
gl.glEnd()
gl.glColor(p.color_edge)
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glLineWidth(p.width)
gl.glBegin(gl.GL_LINE_STRIP)
self._draw_vertices(ll, lr, u, ll)
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def _draw(self):
p = self.parameters
side = p.side
height = side * numpy.sqrt(3) / 2.
center = VisionEgg._get_center(p.position, p.anchor, (side, height))
position = numpy.array(center)
hh = height / 2
ll = position - (hh, hh)
lr = position - (-hh, hh)
u = position + (0., hh)
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
gl.glBegin(gl.GL_TRIANGLES)
self._draw_vertices(ll, lr, u)
gl.glEnd()
gl.glColor(p.color_edge)
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glLineWidth(p.width)
gl.glBegin(gl.GL_LINE_STRIP)
self._draw_vertices(ll, lr, u, ll)
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def _draw(self):
p = self.parameters
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glLineWidth(p.width)
gl.glBegin(gl.GL_LINES)
gl.glVertex(p.position)
gl.glVertex(p.end)
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def _draw(self):
p = self.parameters
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glLineWidth(p.width)
gl.glBegin(gl.GL_LINES)
gl.glVertex(p.position)
gl.glVertex(p.end)
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def _draw(self):
p = self.parameters
center = VisionEgg._get_center(p.position, p.anchor,
(p.radius, p.radius))
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
start, end = p.start, p.end
if end < start:
start -= 360.
start, end = map(numpy.deg2rad, (start, end))
frac = (end - start) / (2 * numpy.pi)
num_triangles = float(p.num_triangles) * frac
angles = numpy.linspace(start, end, num_triangles)
verts = numpy.zeros((num_triangles, 2))
verts[:, 0] = center[0] + p.radius * numpy.cos(angles)
verts[:, 1] = center[1] + p.radius * numpy.sin(angles)
if p.disk:
gl.glBegin(gl.GL_TRIANGLE_FAN)
gl.glVertex(center)
self._draw_vertices(*verts)
gl.glEnd()
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_BLEND)
# Draw a second polygon in line mode, so the edges are anti-aliased
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_LINE)
gl.glBegin(gl.GL_TRIANGLE_FAN)
gl.glVertex(center)
self._draw_vertices(*verts)
gl.glEnd()
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_FILL)
gl.glDisable(gl.GL_LINE_SMOOTH)
if p.circle:
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glColor(p.color_edge)
gl.glLineWidth(p.circle_width)
gl.glBegin(gl.GL_LINES)
for i in range(verts.shape[0] - 1):
self._draw_vertices(verts[i], verts[i + 1])
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def draw(self):
p = self.parameters
if p.on:
self._gl_color(*self._color)
gl.glDisable(gl.GL_TEXTURE_2D)
if p.depth_test:
gl.glEnable(gl.GL_DEPTH_TEST)
else:
gl.glDisable(gl.GL_DEPTH_TEST)
if p.blending_enabled:
gl.glEnable(gl.GL_BLEND)
else:
gl.glDisable(gl.GL_BLEND)
gl.glLineWidth(self._line_width)
gl.glBegin(gl.GL_LINE_LOOP)
for vertex in self._vertices:
gl.glVertex(*vertex)
gl.glEnd()
def draw(self):
p = self.parameters
if p.on:
self._gl_color(*self._color)
gl.glDisable(gl.GL_TEXTURE_2D)
if p.depth_test:
gl.glEnable(gl.GL_DEPTH_TEST)
else:
gl.glDisable(gl.GL_DEPTH_TEST)
if p.blending_enabled:
gl.glEnable(gl.GL_BLEND)
else:
gl.glDisable(gl.GL_BLEND)
gl.glLineWidth(self._line_width)
gl.glBegin(gl.GL_LINE_LOOP)
for vertex in self._vertices:
gl.glVertex(*vertex)
gl.glEnd()
def _draw(self):
p = self.parameters
center = VisionEgg._get_center(p.position, p.anchor, (p.radius, p.radius))
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
start, end = p.start, p.end
if end < start:
start -= 360.
start, end = map(numpy.deg2rad, (start, end))
frac = (end - start) / (2 * numpy.pi)
num_triangles = float(p.num_triangles) * frac
angles = numpy.linspace(start, end, num_triangles)
verts = numpy.zeros((num_triangles, 2))
verts[:,0] = center[0] + p.radius * numpy.cos(angles)
verts[:,1] = center[1] + p.radius * numpy.sin(angles)
if p.disk:
gl.glBegin(gl.GL_TRIANGLE_FAN)
gl.glVertex(center)
self._draw_vertices(*verts)
gl.glEnd()
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_BLEND)
# Draw a second polygon in line mode, so the edges are anti-aliased
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_LINE)
gl.glBegin(gl.GL_TRIANGLE_FAN)
gl.glVertex(center)
self._draw_vertices(*verts)
gl.glEnd()
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_FILL)
gl.glDisable(gl.GL_LINE_SMOOTH)
if p.circle:
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glColor(p.color_edge)
gl.glLineWidth(p.circle_width)
gl.glBegin(gl.GL_LINES)
for i in range(verts.shape[0]-1):
self._draw_vertices(verts[i], verts[i+1])
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def draw(self):
if self.parameters.on:
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glPushMatrix()
gl.glTranslate(self.parameters.lowerleft[0],
self.parameters.lowerleft[1], 0.0)
gl.glRotate(self.parameters.orientation, 0.0, 0.0, 1.0)
c = self.parameters.color
if len(c) == 3:
gl.glColor3f(*c)
elif len(c) == 4:
gl.glColor4f(*c)
gl.glLineWidth(self.parameters.linewidth)
if self.parameters.anti_aliasing:
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_LINE_SMOOTH)
else:
gl.glDisable(gl.GL_BLEND)
## # This code successfully draws a box...
## gl.glBegin(gl.GL_QUADS)
## gl.glVertex2f(0.0,0.0)
## gl.glVertex2f(0.0,0.1)
## gl.glVertex2f(0.1,0.1)
## gl.glVertex2f(0.1,0.0)
## gl.glEnd()
# But this code does not draw the string!?!
for char in self.parameters.text:
glut.glutStrokeCharacter(self.parameters.font, ord(char))
gl.glPopMatrix()
def draw(self):
if self.parameters.on:
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glPushMatrix()
gl.glTranslate(self.parameters.lowerleft[0],self.parameters.lowerleft[1],0.0)
gl.glRotate(self.parameters.orientation,0.0,0.0,1.0)
c = self.parameters.color
if len(c)==3:
gl.glColor3f(*c)
elif len(c)==4:
gl.glColor4f(*c)
gl.glLineWidth(self.parameters.linewidth)
if self.parameters.anti_aliasing:
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA,gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_LINE_SMOOTH)
else:
gl.glDisable(gl.GL_BLEND)
## # This code successfully draws a box...
## gl.glBegin(gl.GL_QUADS)
## gl.glVertex2f(0.0,0.0)
## gl.glVertex2f(0.0,0.1)
## gl.glVertex2f(0.1,0.1)
## gl.glVertex2f(0.1,0.0)
## gl.glEnd()
# But this code does not draw the string!?!
for char in self.parameters.text:
glut.glutStrokeCharacter(self.parameters.font,ord(char))
gl.glPopMatrix()
def draw(self):
p = self.parameters # shorthand
width = self.size[0]
height = self.size[1]
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glPushMatrix()
gl.glLoadIdentity()
gl.glOrtho(-width, width, -height, height, -200, 200)
gl.glScalef(2, -2, 2)
gl.glMatrixMode(gl.GL_MODELVIEW)
if len(p.color)==3:
gl.glColor3f(*p.color)
elif len(p.color)==4:
gl.glColor4f(*p.color)
# this is necessary for the antialiasing
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glBlendFunc(gl.GL_SRC_ALPHA,gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_BLEND)
gl.glLineWidth(p.line_width)
# draw the polygon
gl.glBegin(gl.GL_POLYGON)
for point in p.points:
gl.glVertex3f(point[0], point[1], 0.0)
gl.glVertex3f(p.points[0][0], p.points[0][1], 0.0)
gl.glEnd() # GL_LINE_STRIP
gl.glDisable(gl.GL_LINE_SMOOTH)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glPopMatrix()
