def OnWhiz(self, evt):
self.x += numerix.pi / 15
self.y += numerix.pi / 20
z = numerix.sin(self.x) + numerix.cos(self.y)
self.im.set_array(z)
zmax = numerix.max(numerix.max(z)) - ERR_TOL
ymax_i, xmax_i = numerix.nonzero(numerix.greater_equal(z, zmax))
if self.im.origin == 'upper':
ymax_i = z.shape[0] - ymax_i
self.lines[0].set_data(xmax_i, ymax_i)
self.canvas.draw()
def OnWhiz(self,evt):
self.x += numerix.pi/15
self.y += numerix.pi/20
z = numerix.sin(self.x) + numerix.cos(self.y)
self.im.set_array(z)
zmax = numerix.max(numerix.max(z))-ERR_TOL
ymax_i, xmax_i = numerix.nonzero(
numerix.greater_equal(z, zmax))
if self.im.origin == 'upper':
ymax_i = z.shape[0]-ymax_i
self.lines[0].set_data(xmax_i,ymax_i)
self.canvas.draw()
def init_plot_data(self):
a = self.fig.add_subplot(111)
x = numerix.arange(120.0)*2*numerix.pi/60.0
y = numerix.arange(100.0)*2*numerix.pi/50.0
self.x, self.y = meshgrid(x, y)
z = numerix.sin(self.x) + numerix.cos(self.y)
self.im = a.imshow( z, cmap=cm.jet)#, interpolation='nearest')
zmax = numerix.max(numerix.max(z))-ERR_TOL
ymax_i, xmax_i = numerix.nonzero(
numerix.greater_equal(z, zmax))
if self.im.origin == 'upper':
ymax_i = z.shape[0]-ymax_i
self.lines = a.plot(xmax_i,ymax_i,'ko')
self.toolbar.update() # Not sure why this is needed - ADS
def _draw_mathtext(self, gc, x, y, s, prop, angle):
if DEBUG: print 'backend_cairo.RendererCairo.%s()' % _fn_name()
# mathtext using the gtk/gdk method
try:
import cairo.numpy
except:
verbose.report_error(
"cairo.numpy module required for _draw_mathtext()")
return
size = prop.get_size_in_points()
width, height, fonts = math_parse_s_ft2font(s, self.dpi.get(), size)
if angle == 90:
width, height = height, width
x -= width
y -= height
imw, imh, s = fonts[0].image_as_str()
N = imw * imh
# a numpixels by num fonts array
Xall = zeros((N, len(fonts)), typecode=UInt8)
for i, font in enumerate(fonts):
if angle == 90:
font.horiz_image_to_vert_image() # <-- Rotate
imw, imh, s = font.image_as_str()
Xall[:, i] = fromstring(s, UInt8)
# get the max alpha at each pixel
Xs = numerix.max(Xall, 1)
# convert it to it's proper shape
Xs.shape = imh, imw
pa = zeros(shape=(imh, imw, 4), typecode=UInt8)
rgb = gc.get_rgb()
pa[:, :, 0] = int(rgb[0] * 255)
pa[:, :, 1] = int(rgb[1] * 255)
pa[:, :, 2] = int(rgb[2] * 255)
pa[:, :, 3] = Xs
surface = cairo.numpy.surface_create_for_array(pa)
gc.ctx.translate(x, y)
gc.ctx.show_surface(surface, imw, imh)
def _draw_mathtext(self, gc, x, y, s, prop, angle):
if DEBUG: print 'backend_cairo.RendererCairo.%s()' % _fn_name()
# mathtext using the gtk/gdk method
try: import cairo.numpy
except:
verbose.report_error("cairo.numpy module required for _draw_mathtext()")
return
size = prop.get_size_in_points()
width, height, fonts = math_parse_s_ft2font(
s, self.dpi.get(), size)
if angle==90:
width, height = height, width
x -= width
y -= height
imw, imh, s = fonts[0].image_as_str()
N = imw*imh
# a numpixels by num fonts array
Xall = zeros((N,len(fonts)), typecode=UInt8)
for i, font in enumerate(fonts):
if angle == 90:
font.horiz_image_to_vert_image() # <-- Rotate
imw, imh, s = font.image_as_str()
Xall[:,i] = fromstring(s, UInt8)
# get the max alpha at each pixel
Xs = numerix.max(Xall,1)
# convert it to it's proper shape
Xs.shape = imh, imw
pa = zeros(shape=(imh,imw,4), typecode=UInt8)
rgb = gc.get_rgb()
pa[:,:,0] = int(rgb[0]*255)
pa[:,:,1] = int(rgb[1]*255)
pa[:,:,2] = int(rgb[2]*255)
pa[:,:,3] = Xs
surface = cairo.numpy.surface_create_for_array(pa)
gc.ctx.translate (x,y)
gc.ctx.show_surface (surface, imw, imh)
def draw_mathtext(self, gc, x, y, s, prop, angle):
size = prop.get_size_in_points()
width, height, fonts = math_parse_s_ft2font(s, self.dpi.get(), size)
if angle == 90:
width, height = height, width
x = int(x)
y = int(y)
rgb = gc.get_rgb()
#rgba = (rgb[0], rgb[1], rgb[2], gc.get_alpha())
imw, imh, s = fonts[0].image_as_str()
N = imw * imh
# a numpixels by num fonts array
Xall = zeros((N, len(fonts)), typecode=UInt8)
for i, font in enumerate(fonts):
if angle == 90:
font.horiz_image_to_vert_image() # <-- Rotate
imw, imh, s = font.image_as_str()
Xall[:, i] = fromstring(s, UInt8)
# get the max alpha at each pixel
Xs = numerix.max(Xall, 1)
# convert it to it's proper shape
Xs.shape = imh, imw
pb = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB,
has_alpha=1,
bits_per_sample=8,
width=imw,
height=imh)
try:
pa = pb.get_pixels_array()
except AttributeError:
pa = pb.pixel_array
except RuntimeError, exc: # pygtk was not compiled with Numeric Python support
print >> sys.stderr, 'Error:', exc
return
def _draw_mathtext(self, gc, x, y, s, prop, angle):
size = prop.get_size_in_points()
width, height, fonts = math_parse_s_ft2font(s, self.dpi.get(), size)
if angle == 90:
width, height = height, width
x -= width
y -= height
imw, imh, s = fonts[0].image_as_str()
N = imw * imh
# a numpixels by num fonts array
Xall = zeros((N, len(fonts)), typecode=UInt8)
for i, font in enumerate(fonts):
if angle == 90:
font.horiz_image_to_vert_image() # <-- Rotate
imw, imh, s = font.image_as_str()
Xall[:, i] = fromstring(s, UInt8)
# get the max alpha at each pixel
Xs = numerix.max(Xall, 1)
# convert it to it's proper shape
Xs.shape = imh, imw
pb = gtk.gdk.Pixbuf(
gtk.gdk.COLORSPACE_RGB,
#has_alpha=1, bits_per_sample=8, width=imw, height=imh)
has_alpha=True,
bits_per_sample=8,
width=imw,
height=imh)
try:
pa = pb.get_pixels_array()
except AttributeError:
pa = pb.pixel_array
except RuntimeError, exc: # 'pygtk was not compiled with Numeric Python support'
verbose.report_error('mathtext not supported: %s' % exc)
return
def _draw_mathtext(self, gc, x, y, s, prop, angle):
size = prop.get_size_in_points()
width, height, fonts = math_parse_s_ft2font(
s, self.dpi.get(), size)
if angle==90:
width, height = height, width
x -= width
y -= height
imw, imh, s = fonts[0].image_as_str()
N = imw*imh
# a numpixels by num fonts array
Xall = zeros((N,len(fonts)), typecode=UInt8)
for i, font in enumerate(fonts):
if angle == 90:
font.horiz_image_to_vert_image() # <-- Rotate
imw, imh, s = font.image_as_str()
Xall[:,i] = fromstring(s, UInt8)
# get the max alpha at each pixel
Xs = numerix.max(Xall,1)
# convert it to it's proper shape
Xs.shape = imh, imw
pb=gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB,
#has_alpha=1, bits_per_sample=8, width=imw, height=imh)
has_alpha=True, bits_per_sample=8, width=imw, height=imh)
try:
pa = pb.get_pixels_array()
except AttributeError:
pa = pb.pixel_array
except RuntimeError, exc: # 'pygtk was not compiled with Numeric Python support'
verbose.report_error('mathtext not supported: %s' % exc)
return
