def draw_circle_filled(self, clr, pt, radius, angle=0):
x, y = pt
clr = tools.rgb2floats(clr)
self.ctx.set_source_rgb(*clr)
self.ctx.move_to(x, y)
self.ctx.arc(x, y, radius, 0, 2 * 3.1415)
self.ctx.fill()
def draw_circle_filled(self, clr, pt, radius, angle=0):
x, y = pt
clr = tools.rgb2floats(clr)
self.ctx.set_source_rgb(*clr)
self.ctx.move_to(x, y)
self.ctx.arc(x, y, radius, 0, 2*3.1415)
self.ctx.fill()
def draw_text(self, text, center, clr=(0,0,0), size=12, fontname="Georgia"):
clr = tools.rgb2floats(clr)
self.ctx.set_source_rgb(clr[0], clr[1], clr[2])
self.ctx.select_font_face(fontname, self.cairo.FONT_SLANT_NORMAL, self.cairo.FONT_WEIGHT_NORMAL)
self.ctx.set_font_size(size)
x_bearing, y_bearing, width, height = self.ctx.text_extents(text)[:4]
self.ctx.move_to(center[0] + 0.5 - width / 2 - x_bearing, center[1] + 0.5 - height / 2 - y_bearing)
self.ctx.show_text(text)
def draw_circle(self, clr, pt, radius, a=0):
clr = tools.rgb2floats(clr)
self.gl.glColor3f(clr[0], clr[1], clr[2])
x, y = pt
segs = 15
coef = 2.0*pi/segs;
self.gl.glBegin(self.gl.GL_LINE_LOOP)
for n in range(segs):
rads = n*coef
self.gl.glVertex2f(radius*cos(rads + a) + x, radius*sin(rads + a) + y)
self.gl.glVertex2f(x,y)
self.gl.glEnd()
def draw_circle(self, clr, pt, radius, a=0):
clr = tools.rgb2floats(clr)
self.gl.glColor3f(clr[0], clr[1], clr[2])
x, y = pt
segs = 15
coef = 2.0 * pi / segs
self.gl.glBegin(self.gl.GL_LINE_LOOP)
for n in range(segs):
rads = n * coef
self.gl.glVertex2f(radius * cos(rads + a) + x,
radius * sin(rads + a) + y)
self.gl.glVertex2f(x, y)
self.gl.glEnd()
def draw_text(self,
text,
center,
clr=(0, 0, 0),
size=12,
fontname="Georgia"):
clr = tools.rgb2floats(clr)
self.ctx.set_source_rgb(clr[0], clr[1], clr[2])
self.ctx.select_font_face(fontname, self.cairo.FONT_SLANT_NORMAL,
self.cairo.FONT_WEIGHT_NORMAL)
self.ctx.set_font_size(size)
x_bearing, y_bearing, width, height = self.ctx.text_extents(text)[:4]
self.ctx.move_to(center[0] + 0.5 - width / 2 - x_bearing,
center[1] + 0.5 - height / 2 - y_bearing)
self.ctx.show_text(text)
def draw_polygon(self, clr, points):
""" Draw a polygon
Parameters:
clr ....... color in rgb ((r), (g), (b))
points .... polygon points in normal (x,y) positions
Return: -
"""
clr = tools.rgb2floats(clr)
self.ctx.set_source_rgb(clr[0], clr[1], clr[2])
pt = points[0]
self.ctx.move_to(pt[0], pt[1])
for pt in points[1:]:
self.ctx.line_to(pt[0], pt[1])
self.ctx.fill()
def draw_polygon(self, clr, points):
""" Draw a polygon
Parameters:
clr ....... color in rgb ((r), (g), (b))
points .... polygon points in normal (x,y) positions
Return: -
"""
clr = tools.rgb2floats(clr)
self.ctx.set_source_rgb(clr[0], clr[1], clr[2])
pt = points[0]
self.ctx.move_to(pt[0], pt[1])
for pt in points[1:]:
self.ctx.line_to(pt[0], pt[1])
self.ctx.fill()
def draw_polygon(self, clr, points):
clr = tools.rgb2floats(clr)
self.gl.glColor3f(clr[0], clr[1], clr[2])
self.gl.glBegin(self.gl.GL_LINES)
p1 = points[0]
for p in points[1:]:
x1, y1 = p1
x2, y2 = p1 = p
self.gl.glVertex2f(x1, y1)
self.gl.glVertex2f(x2, y2)
x1, y1 = points[0]
self.gl.glVertex2f(x2, y2)
self.gl.glVertex2f(x1, y1)
self.gl.glEnd()
def draw_polygon(self, clr, points):
clr = tools.rgb2floats(clr)
self.gl.glColor3f(clr[0], clr[1], clr[2])
self.gl.glBegin(self.gl.GL_LINES)
p1 = points[0]
for p in points[1:]:
x1, y1 = p1
x2, y2 = p1 = p
self.gl.glVertex2f(x1, y1)
self.gl.glVertex2f(x2, y2)
x1, y1 = points[0]
self.gl.glVertex2f(x2, y2)
self.gl.glVertex2f(x1, y1)
self.gl.glEnd()
def draw_lines(self, clr, closed, points):
""" Draw a polygon
Parameters:
clr ....... color in rgb ((r), (g), (b))
closed .... whether or not to close the lines (as a polygon)
points .... polygon points in normal (x,y) positions
Return: -
"""
clr = tools.rgb2floats(clr)
self.ctx.set_source_rgb(clr[0], clr[1], clr[2])
pt = points[0]
self.ctx.move_to(pt[0], pt[1])
for pt in points[1:]:
self.ctx.line_to(pt[0], pt[1])
if closed:
pt = points[0]
self.ctx.line_to(pt[0], pt[1])
self.ctx.stroke()
def draw_lines(self, clr, closed, points):
""" Draw a polygon
Parameters:
clr ....... color in rgb ((r), (g), (b))
closed .... whether or not to close the lines (as a polygon)
points .... polygon points in normal (x,y) positions
Return: -
"""
clr = tools.rgb2floats(clr)
self.ctx.set_source_rgb(clr[0], clr[1], clr[2])
pt = points[0]
self.ctx.move_to(pt[0], pt[1])
for pt in points[1:]:
self.ctx.line_to(pt[0], pt[1])
if closed:
pt = points[0]
self.ctx.line_to(pt[0], pt[1])
self.ctx.stroke()
