def set_clip_rectangle(self, rectangle):
GraphicsContextBase.set_clip_rectangle(self, rectangle)
l, b, w, h = rectangle
rectangle = (int(l), self.renderer.height - int(b + h) + 1, int(w), int(h))
# rectangle = (int(l), self.renderer.height-int(b+h),
# int(w+1), int(h+2))
self.gdkGC.set_clip_rectangle(rectangle)
def set_clip_rectangle(self, rectangle):
GraphicsContextBase.set_clip_rectangle(self, rectangle)
x,y,w,h = rectangle
imw, imh = self.im.size()
lb = int(x), imh-int(y)
ur = int(x+w), imh-int(y+h)
self.im.setClip(ur, lb)
def set_clip_rectangle(self, rectangle):
GraphicsContextBase.set_clip_rectangle(self, rectangle)
if rectangle is None:
return
l,b,w,h = rectangle.bounds
rectangle = (int(l), self.renderer.height-int(b+h)+1,
int(w), int(h))
self.gdkGC.set_clip_rectangle(rectangle)
def set_clip_rectangle(self, rectangle):
GraphicsContextBase.set_clip_rectangle(self, rectangle)
if rectangle is None:
return
l, b, w, h = rectangle.bounds
rectangle = (int(l), self.renderer.height - int(b + h) + 1, int(w),
int(h))
#rectangle = (int(l), self.renderer.height-int(b+h),
# int(w+1), int(h+2))
self.gdkGC.set_clip_rectangle(rectangle)
def DISABLED_memleak( self ):
"""Test agg backend for memory leaks."""
fontname = '/usr/local/share/matplotlib/Vera.ttf'
fname = self.outFile( "agg_memleak_%05d.png" )
N = 200
for i in range( N ):
gc = GraphicsContextBase()
gc.set_clip_rectangle( [20, 20, 20, 20] )
o = RendererAgg( 400, 400, 72 )
for j in range( 50 ):
xs = [ 400*int(rand()) for k in range(8) ]
ys = [ 400*int(rand()) for k in range(8) ]
rgb = (1, 0, 0)
pnts = zip( xs, ys )
o.draw_polygon( gc, rgb, pnts )
o.draw_polygon( gc, None, pnts )
for j in range( 50 ):
x = [ 400*int(rand()) for k in range(4) ]
y = [ 400*int(rand()) for k in range(4) ]
o.draw_lines( gc, x, y )
for j in range( 50 ):
args = [ 400*int(rand()) for k in range(4) ]
rgb = (1, 0, 0)
o.draw_rectangle( gc, rgb, *args )
if 1: # add text
font = FT2Font( fontname )
font.clear()
font.set_text( 'hi mom', 60 )
font.set_size( 12, 72 )
o.draw_text_image( font.get_image(), 30, 40, gc )
o.write_png( fname % i )
val = report_memory( i )
if i==1: start = val
end = val
avgMem = (end - start) / float(N)
print 'Average memory consumed per loop: %1.4f\n' % (avgMem)
#TODO: Verify the expected mem usage and approximate tolerance that should be used
self.checkClose( 0.32, avgMem, absTol = 0.1 )
def set_clip_rectangle(self, box):
GraphicsContextBase.set_clip_rectangle(self, box)
if not box: return
_macosx.GraphicsContext.set_clip_rectangle(self, box.bounds)
from matplotlib.backends._backend_agg import RendererAgg
def report_memory(i):
pid = os.getpid()
a2 = os.popen('ps -p %d -o rss,sz' % pid).readlines()
print i, ' ', a2[1],
return int(a2[1].split()[0])
fname = '/usr/local/share/matplotlib/Vera.ttf'
N = 200
for i in range(N):
gc = GraphicsContextBase()
gc.set_clip_rectangle([20, 20, 20, 20])
o = RendererAgg(400, 400, 72)
for j in range(50):
xs = [400 * int(rand()) for k in range(8)]
ys = [400 * int(rand()) for k in range(8)]
rgb = (1, 0, 0)
pnts = zip(xs, ys)
o.draw_polygon(gc, rgb, pnts)
o.draw_polygon(gc, None, pnts)
for j in range(50):
x = [400 * int(rand()) for k in range(4)]
y = [400 * int(rand()) for k in range(4)]
o.draw_lines(gc, x, y)
from matplotlib.numerix import rand
from matplotlib.backend_bases import GraphicsContextBase
from matplotlib.backends._backend_agg import RendererAgg
def report_memory(i):
pid = os.getpid()
a2 = os.popen('ps -p %d -o rss,sz' % pid).readlines()
print i, ' ', a2[1],
return int(a2[1].split()[0])
fname = '/usr/local/share/matplotlib/Vera.ttf'
N = 200
for i in range(N):
gc = GraphicsContextBase()
gc.set_clip_rectangle( [20,20,20,20] )
o = RendererAgg(400,400, 72)
for j in range(50):
xs = [400*int(rand()) for k in range(8)]
ys = [400*int(rand()) for k in range(8)]
rgb = (1,0,0)
pnts = zip(xs, ys)
o.draw_polygon(gc, rgb, pnts)
o.draw_polygon(gc, None, pnts)
for j in range(50):
x = [400*int(rand()) for k in range(4)]
y = [400*int(rand()) for k in range(4)]
o.draw_lines( gc, x, y)
