class Plotter(Controller, object):
KEY_TRANSLATION_SPEED = 0.05
KEY_ZOOM_SPEED = 0.02
FONT_ENCODING = 'unic'
STATE_SELECT_AREA = 'STATE_SELECT_AREA'
STATE_IDLE = 'STATE_IDLE'
STATE_SELECT_AREA_PENDING = 'STATE_SELECT_AREA_PENDING'
def __init__(self,
camera = None,
axis = [2,2],
origin = [0,0],
axis_units = [1,1],
xlabel = None,
ylabel = None,
title = None,
plotmode = None,
colorlegend = None,
axis_unit_symbols = [None,None],
axis_subunits = [4,4],
color_scheme = DEFAULT_COLORS,
on_keyboard = (lambda s,a,p: None),
graphs = {},
axis_measures = [],
render_axis = (True, True),
plotplane_margin=[5, 10, 40, 5],
plotplane_minsize=(100, 100),
min_label_space=(0,0),
widget = None,
axis_density=(80,80),
):
plot_info('Yo bro', 'plotter cant wait to plot for you')
Controller.__init__(self, camera)
if GlApplication.DEBUG:
color_scheme = DEBUG_COLORS
self.graphs = graphs or OrderedDict()
self.plot_camera = None
self.color_scheme = color_scheme
self.plotmode = plotmode
self.widget = widget
self.colorlegend = colorlegend
self._on_keyboard = on_keyboard
if type(plotmode) is str:
if plotmode not in _PLOTMODE_ALIASES:
raise ValueError('unkown plotmode "{}". Available aliases are: {}'.format(
plotmode, ', '.join(_PLOTMODE_ALIASES.keys())
))
self.plotmode = _PLOTMODE_ALIASES[plotmode][0](
*_PLOTMODE_ALIASES[plotmode][1],
**_PLOTMODE_ALIASES[plotmode][2]
)
self._axis_measures = axis_measures
self.on_state = Event()
self.min_label_space = min_label_space
self._axis_translation = (10, 0)
self._plotplane_margin = plotplane_margin
self._plot_plane_min_size = plotplane_minsize
self._axis = axis
self._axis_units = axis_units
self.colorlegend_speed = 0.01
self._xlabel = xlabel
self._ylabel = ylabel
self._title = title
self._title_font = None
self._xlabel_font = None
self._ylabel_font = None
self._axis_density = axis_density
self._axis_subunits = axis_subunits
self._axis_unit_symbols = axis_unit_symbols
self._origin = origin
self._margin_changed = False
self._plotframe = None
self._xaxis = None
self._yaxis = None
self._colorlegend_axis = None
self._debug = False
self._fontrenderer = None
self._render_axis = render_axis
self._axis_texts = [[],[]]
self._yboxwidths = []
# dstates
self.render_graphs = True
self._graphs_initialized = False
self._has_rendered = False
self._state = 0
self._select_area = [0,0,0,0]
self._select_area_rectangle = None
self._colorlegend_frame = None
self._colorlegend = None
self._colorlegend_graph = None
self._colorlegend_texts = []
self.xlabel_text = None
self.ylabel_text = None
self.title_text = None
self._fntrenderer = FontRenderer2()
self._fntlayout = AlignedLayout(self.camera)
self.on_cursor.append(self.cursor_reload)
self.on_keyboard.append(self.keyboard_callback)
self.on_mouse.append(self.mouse_callback)
self.on_pre_render.insert(0, self.pre_render)
self.on_pre_render.insert(0, self.check_graphs)
self.on_post_render.append(self.post_render)
self.on_render.append(self.render)
if self.widget is not None:
self.widget.attach(self)
# -- HELPER UTILITIES -----------------------------------------------------------
@property
def state(self):
return self._state
@state.setter
def state(self, value):
self._state = value
self.on_state(self._state)
def coord_in_plotframe(self, pos):
"""
checks whether a given
coordinate is inside plotspace frame.
"""
frame_pos = self.plotframe_position
frame_size = self.plotframe_size
return pos[0] > frame_pos[0] and pos[0] < frame_pos[0] + frame_size[0] \
and pos[1] > frame_pos[1] and pos[1] < frame_pos[1] + frame_size[1]
def coord_to_plotframe(self, coord):
"""
transforms a given window space coordinate into
plotspace coordinates.
"""
plotcam = self._plotframe.inner_camera
frame_size = self.plotframe_size
relative = (
coord[0]-self.plotframe_position[0],
frame_size[1]-coord[1]+ self.plotframe_position[1]
)
scaled = (
float(plotcam.scaling[0])/plotcam.get_zoom()/frame_size[0]*relative[0],
float(plotcam.scaling[1])/plotcam.get_zoom()/frame_size[1]*relative[1]
)
return (
scaled[0]-plotcam.position[0],
scaled[1]+plotcam.position[1]
)
# -- EVENTS -------------------------------------------------------------------
def keyboard_callback(self, active, pressed):
update_camera = False
if GLFW_KEY_W in active:
self._plotframe.inner_camera.move(
0,
self.KEY_TRANSLATION_SPEED
*self._plotframe.inner_camera.scaling[1]
/self._plotframe.inner_camera.get_zoom()
)
update_camera = True
if GLFW_KEY_A in active:
self._plotframe.inner_camera.move(
self.KEY_TRANSLATION_SPEED
*self._plotframe.inner_camera.scaling[0]
/self._plotframe.inner_camera.get_zoom()
)
update_camera = True
if GLFW_KEY_S in active:
self._plotframe.inner_camera.move(
0,
-self.KEY_TRANSLATION_SPEED
*self._plotframe.inner_camera.scaling[1]
/self._plotframe.inner_camera.get_zoom()
)
update_camera = True
if GLFW_KEY_D in active:
self._plotframe.inner_camera.move(
-self.KEY_TRANSLATION_SPEED
*self._plotframe.inner_camera.scaling[0]
/self._plotframe.inner_camera.get_zoom()
)
update_camera = True
if GLFW_KEY_SPACE in active:
self.zoom(1+(+1 if GLFW_KEY_LEFT_SHIFT in active else -1)*self.KEY_ZOOM_SPEED)
colorrange_step = self.colorlegend_speed
if GLFW_KEY_3 in active:
if self.colorlegend is not None:
colorrange = self.colorlegend.colorrange
self.colorlegend.colorrange = [colorrange[0]-colorrange_step, colorrange[1]+colorrange_step]
update_camera = True
if GLFW_KEY_4 in active:
if self.colorlegend is not None:
colorrange = self.colorlegend.colorrange
self.colorlegend.colorrange = [colorrange[0]+colorrange_step, colorrange[1]-colorrange_step]
update_camera = True
if GLFW_KEY_5 in active:
if self.colorlegend is not None:
colorrange = self.colorlegend.colorrange
if colorrange[0]-colorrange_step < colorrange[1]:
self.colorlegend.colorrange = [colorrange[0]-colorrange_step, colorrange[1]]
update_camera = True
if GLFW_KEY_6 in active:
if self.colorlegend is not None:
colorrange = self.colorlegend.colorrange
if colorrange[0]+colorrange_step < colorrange[1]:
self.colorlegend.colorrange = [colorrange[0]+colorrange_step, colorrange[1]]
update_camera = True
if GLFW_KEY_7 in active:
if self.colorlegend is not None:
colorrange = self.colorlegend.colorrange
if colorrange[1]-colorrange_step > colorrange[0]:
self.colorlegend.colorrange = [colorrange[0], colorrange[1]-colorrange_step]
update_camera = True
if GLFW_KEY_8 in active:
if self.colorlegend is not None:
colorrange = self.colorlegend.colorrange
if colorrange[1]+colorrange_step > colorrange[0]:
self.colorlegend.colorrange = [colorrange[0], colorrange[1]+colorrange_step]
update_camera = True
if GLFW_KEY_9 in active:
if self.colorlegend is not None:
colorrange = self.colorlegend.colorrange
self.colorlegend.colorrange = [colorrange[0]-colorrange_step, colorrange[1]-colorrange_step]
update_camera = True
if GLFW_KEY_0 in active:
if self.colorlegend is not None:
colorrange = self.colorlegend.colorrange
self.colorlegend.colorrange = [colorrange[0]+colorrange_step, colorrange[1]+colorrange_step]
update_camera = True
self._on_keyboard(self, active, pressed)
if update_camera:
self.camera_updated(self._plotframe.inner_camera)
def cursor_reload(self, donk):
if self.widget is not None and hasattr(self.widget, 'cursor'):
self.widget.cursor(self.cursor)
def mouse_callback(self, win, button, action, mod):
if self.state == self.STATE_IDLE and self.widget is not None and hasattr(self.widget, 'mouse'):
result = self.widget.mouse(self.cursor, button, action, mod)
if result is not None and not result:
return
# STATE SELECT AREA
def area_selecting():
self.state = self.STATE_SELECT_AREA
self._select_area_rectangle.color = hex_to_rgba(self.color_scheme['select-area-bgcolor'])
self._select_area = list(self.cursor) + [0,0]
self.shaperenderer.draw_instance(self._select_area_rectangle)
def area_selected():
pos = self.cursor
# only if mouse is in the selected area with a
# tolerance of 20.
if pos[0] > self._select_area[0]-20 and pos[0] < self._select_area[2]+20 \
and pos[1] > self._select_area[1]-20 and pos[1] < self._select_area[3]+20:
coord_a = self.coord_to_plotframe(self._select_area[0:2])
coord_b = self.coord_to_plotframe(self._select_area[2:4])
self.show_area(coord_a+coord_b)
self._select_area = [0,0,0,0]
self.state = self.STATE_IDLE
self.shaperenderer.erase_instance(self._select_area_rectangle)
def area_pending():
self.state = self.STATE_SELECT_AREA_PENDING
self._select_area_rectangle.color = hex_to_rgba(self.color_scheme['select-area-pending-bgcolor'])
self._select_area = self._select_area[0:2] + list(self.cursor)
# if user opens the box in the wrong direction
# we need to fix the coordinates so that the upper
# left corner stays in upper left corner and so
# for the lower right corner...
if self._select_area[0] > self._select_area[2]:
tmp = self._select_area[2]
self._select_area[2] = self._select_area[0]
self._select_area[0] = tmp
if self._select_area[1] > self._select_area[3]:
tmp = self._select_area[3]
self._select_area[3] = self._select_area[1]
self._select_area[1] = tmp
if button == GLFW_MOUSE_BUTTON_2:
if action == 1:
if self.state == self.STATE_IDLE:
if self.coord_in_plotframe(self.cursor):
area_selecting()
elif self.state == self.STATE_SELECT_AREA:
area_pending()
area_selected()
elif button == GLFW_MOUSE_BUTTON_1:
if self.state == self.STATE_SELECT_AREA and action == 0:
area_pending()
elif self.state == self.STATE_SELECT_AREA_PENDING and action == 0:
area_selected()
# -- PLOTTER INTERACTION --------------------------------------------------------------
def zoom(self, factor):
#self._plotframe.inner_camera.zoom(factor)
plotcam = self._plotframe.inner_camera
scaling = plotcam.scaling
plotcam.set_scaling((scaling[0]*factor, scaling[1]*factor))
self.camera_updated(self._plotframe.inner_camera)
def show_area(self, area):
plotcam = self._plotframe.inner_camera
old_scaling = plotcam.scaling
axis = (abs(area[2]-area[0]), abs(area[3]-area[1]))
plotcam.set_scaling(axis)
plotcam.set_position(-area[0], area[3])
self.camera_updated(self._plotframe.inner_camera)
# -- PROPERTIES -------------------------------------------------------------------
@property
def plotframe_position(self): return self._plotplane_margin[3], self._plotplane_margin[0]
@property
def plotframe_size(self): return [
max(self._plot_plane_min_size[0], self.camera.screensize[0]-self._plotplane_margin[1]-self._plotplane_margin[3])-self.colorlegend_boxsize[0],
max(self._plot_plane_min_size[1], self.camera.screensize[1]-self._plotplane_margin[0]-self._plotplane_margin[2])
]
@property
def colorlegend_size(self):
if self.colorlegend is None:
return (0,0)
return (65-self.colorlegend_margin[1]-self.colorlegend_margin[3], self.camera.screensize[1]-self.colorlegend_margin[0]-self.colorlegend_margin[2])
@property
def colorlegend_boxsize(self):
if self.colorlegend is None:
return (0,0)
return (65, self.camera.screensize[1]-self.colorlegend_margin[0]-self.colorlegend_margin[2])
@property
def colorlegend_margin(self):
if self.colorlegend is None:
return (0,0,0,0)
return (self._plotplane_margin[0], 40, self._plotplane_margin[2], 10)
@property
def colorlegend_position(self):
if self.colorlegend is None:
return (0,0)
return (self.plotframe_position[0]+self.plotframe_size[0]+self.colorlegend_margin[3], self.plotframe_position[1])
def get_xaxis_size(self):
"""
returns the absolute size of x axis
DEPRECATED (need to implement multi axis stuff REMOVE THIS STATIC STUFF HERE)
"""
return [
max(self._plot_plane_min_size[0], self.camera.screensize[0]-self._plotplane_margin[1]-self._plotplane_margin[3])-self.colorlegend_boxsize[0],
10
]
def get_yaxis_size(self):
"""
returns the absolute size of y axis
DEPRECATED (need to implement multi axis stuff REMOVE THIS STATIC STUFF HERE)
"""
return [
10,
self.plotframe_size[1]
]
# -- BUSINESS -------------------------------------------------------------------
def init_labels(self):
"""
initializes plot labels.
"""
axis_space = list(self._plotplane_margin)
if self._xlabel is not None:
axis_space[2] += self.color_scheme['xlabel-boxheight']
text = self._fntrenderer.create_text(self._xlabel,
position=(0,0),
size=self.color_scheme['xlabel-fontsize'],
color=hex_to_rgba(self.color_scheme['font-color']),
enable_simple_tex=True)
self.xlabel_text = text
self._fntlayout.add_text(text, 'x-center', ('bottom', 5))
if self._ylabel is not None:
text = self._fntrenderer.create_text(self._ylabel,
position=(5,0),
size=self.color_scheme['ylabel-fontsize'],
rotation=np.pi/2,
color=hex_to_rgba(self.color_scheme['font-color']),
enable_simple_tex=True)
axis_space[3] += self.color_scheme['ylabel-boxheight']
self.ylabel_text = text
self._fntlayout.add_text(text, 'y-center')
if self._title is not None:
text = self._fntrenderer.create_text(self._title,
position=(0,5),
size=self.color_scheme['title-fontsize'],
color=hex_to_rgba(self.color_scheme['font-color']),
enable_simple_tex=True)
axis_space[0] += self.color_scheme['title-boxheight']
self.title_text = text
self._fntlayout.add_text(text, 'x-center')
self._plotplane_margin = axis_space
self._fntlayout.min_screensize = (
self._plot_plane_min_size[0] + axis_space[1] + axis_space[3],
self._plot_plane_min_size[1] + axis_space[0] + axis_space[2])
def init(self):
"""
initializes plot2d
"""
self.shaperenderer = ShapeRenderer(self.camera)
self.shaperenderer.shapes['default_rectangle'] = Rectangle()
self.shaperenderer.gl_init()
# setup axis
self.init_labels()
# setup plotplane
plotframe = window.Framebuffer(
camera = self.camera,
screensize = self.plotframe_size,
screen_mode = window.Framebuffer.SCREEN_MODE_STRECH,
record_mode = self.plotmode.record_mode if self.plotmode is not None else window.Framebuffer.RECORD_CLEAR,
clear_color = hex_to_rgba(self.color_scheme['plotplane-bgcolor']),
multisampling = 8,
blit_texture=True,
)
self._fntrenderer.set_camera(self.camera)
self._fntrenderer.init()
self._fntlayout.camera = self.camera
if self.plotmode is not None:
plotframe.record_program = self.plotmode.get_shader()
plotframe.init()
plotframe.modelview.set_position(self._plotplane_margin[3], self._plotplane_margin[0])
plotframe.update_modelview()
# setup plotplane camera
plotframe.inner_camera.set_base_matrix(np.array([
1, 0, 0, 0,
0, -1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1,
], dtype=np.float32))
plotframe.inner_camera.set_scaling(self._axis)
plotframe.inner_camera.set_position(*self._origin)
self._plotframe = plotframe
# parent controller initialization
Controller.init(self)
self.state = self.STATE_IDLE
self._select_area_rectangle = ShapeInstance('default_rectangle', **{
'size': (0,0),
'position': (0,0),
'border': {
'size': self.color_scheme['select-area-border-size'],
'color': hex_to_rgba(self.color_scheme['select-area-border-color']),
},
'color': hex_to_rgba(self.color_scheme['select-area-bgcolor']),
})
self._plotplane = ShapeInstance('default_rectangle', **{
'size': self.plotframe_size,
'position': self.plotframe_position,
'border': {
'size': self.color_scheme['plotframe-border-size'],
'color': hex_to_rgba(self.color_scheme['plotframe-border-color']),
},
'color': [0,0,0,0],
'texture': self._plotframe
})
self.shaperenderer.draw_instance(self._plotplane)
# setup axis
if self._render_axis[0]:
self._xaxis = axis.Scale(
camera = self.camera,
scale_camera = self._plotframe.inner_camera,
size = self.get_xaxis_size(),
unit = self._axis_units[0],
subunits = self._axis_subunits[0],
font = None,
axis = axis.XAXIS,
unit_symbol = self._axis_unit_symbols[0],
bgcolor = hex_to_rgba(self.color_scheme['xaxis-bgcolor']),
linecolor = hex_to_rgba(self.color_scheme['xaxis-linecolor']),
fontcolor = hex_to_rgba(self.color_scheme['xaxis-fontcolor']),
)
self._xaxis.density = self._axis_density[0]
self._xaxis.init()
self._update_xaxis()
if self._render_axis[1]:
self._yaxis = axis.Scale(
camera = self.camera,
scale_camera = self._plotframe.inner_camera,
size = self.get_yaxis_size(),
unit = self._axis_units[1],
subunits = self._axis_subunits[1],
font = None,
axis = axis.YAXIS,
unit_symbol = self._axis_unit_symbols[1],
bgcolor = hex_to_rgba(self.color_scheme['yaxis-bgcolor']),
linecolor = hex_to_rgba(self.color_scheme['yaxis-linecolor']),
fontcolor = hex_to_rgba(self.color_scheme['yaxis-fontcolor']),
)
self._yaxis.density = self._axis_density[1]
self._yaxis.init()
self._update_yaxis()
self.init_colorlegend()
self._plotplane.size = self.plotframe_size
self._update_plotframe_camera()
self._update_graph_matricies()
glfwWindowHint(GLFW_SAMPLES, 4);
glEnable(GL_MULTISAMPLE)
if self.widget is not None:
plot_info('Plotter2d', 'init widget...')
self.widget.gl_init()
plot_info('Plotter2d', 'inizialized!')
def init_colorlegend(self):
"""
initializes color legend.
XXX
- Refactor me as a kind of widget or so ...
"""
if self.colorlegend is not None:
self._colorlegend_frame = window.Framebuffer(
self.camera,
screensize = self.colorlegend_size,
blit_texture=True,
clear_color = hex_to_rgba(self.color_scheme['plotplane-bgcolor']),
multisampling=2
)
self._colorlegend_frame.init()
colorrange = self.colorlegend.colorrange
colorrange_length = colorrange[1]-colorrange[0]
factor = 0.1
self._colorlegend_frame.inner_camera.set_scaling([1,colorrange_length*(1+2*factor)])
self._colorlegend_frame.inner_camera.set_position(0,-colorrange_length*factor+colorrange[0])
self._colorlegend_frame.update_camera(self.camera)
if self._colorlegend is None:
self._colorlegend = ShapeInstance('default_rectangle', **{
'size': self.colorlegend_size,
'position': self.colorlegend_position,
'border': {'size': self.color_scheme['plotframe-border-size'],'color': hex_to_rgba(self.color_scheme['plotframe-border-color'])},
'color': [0,0,0,0],
'texture': self._colorlegend_frame
})
self.shaperenderer.draw_instance(self._colorlegend)
else:
self._colorlegend.position = self.colorlegend_position
self._colorlegend.size = self.colorlegend_size
self._colorlegend_graph = Field(
top_left=(0,colorrange_length*(1+factor)+colorrange[0]),
bottom_right=(1,colorrange[0]-colorrange_length*factor),
color_scheme=self.colorlegend,
data_kernel='fragment_color = vec4({a}+({l})*(1+2*({f}))*x.y-({l})*({f}),0,0,1)'.format(a=colorrange[0],l=colorrange_length,f=factor)
)
self._colorlegend_graph.init()
plot_camera = self._colorlegend_frame.inner_camera;
self._colorlegend_graph.program.uniform('mat_camera', plot_camera.get_matrix())
self._colorlegend_graph.program.uniform('mat_outer_camera', self._plotframe.camera.get_matrix())
self._colorlegend_graph.program.uniform('mat_domain', np.identity(3))
self._colorlegend_axis = axis.Fixed(
camera = self.camera,
measurements = self.colorlegend.range,
bgcolor = hex_to_rgba(self.color_scheme['yaxis-bgcolor']),
size = (self.get_yaxis_size()[0], self.get_yaxis_size()[1]),
scale_camera = self._colorlegend_frame.inner_camera,
linecolor = hex_to_rgba(self.color_scheme['yaxis-linecolor']),
modelview = ModelView()
)
self._colorlegend_axis.init()
self._update_measure_axis()
self._colorlegend_frame.use()
self._colorlegend_graph.render(self)
self._colorlegend_frame.unuse()
length = colorrange_length*(1+2*factor)
shift = colorrange_length*factor
y_viewspace = lambda y: (1-(float(y-colorrange[0]+shift)/length))*self.colorlegend_size[1]+self.colorlegend_margin[0]
x_viewspace = self.colorlegend_position[0]+self.colorlegend_size[0]+5
curr_length = len(self._colorlegend_texts)
labels = self._colorlegend_axis.labels
for i in range(len(labels) - curr_length):
yplot, label = labels[i+curr_length]
text = self._fntrenderer.create_text(label,
size=self.color_scheme['axis-fontsize'],
position=(x_viewspace,y_viewspace(yplot)-10),
color=hex_to_rgba(self.color_scheme['axis-fontcolor']))
self._colorlegend_texts.append(text)
for i in range(0, min(len(labels), curr_length)):
text = self._colorlegend_texts[i]
yplot, label = labels[i]
if label != text.chars:
text.chars = label
text.position = (x_viewspace,y_viewspace(yplot)-10)
text.color = hex_to_rgba(self.color_scheme['axis-fontcolor'])
def init_graphs(self):
"""
initializes the graphs if neccessary and
updates graph matricies
"""
colors = self.color_scheme['graph-colors']
colors_length = len(colors)
graph_color_index = 0
initial_scaling = [
self._plotframe.inner_camera.get_matrix()[0],
self._plotframe.inner_camera.get_matrix()[5]
]
initial_plane_scaling = [
self._plotframe.camera.get_matrix()[0],
self._plotframe.camera.get_matrix()[5]
]
for graph in [g for g in self.graphs.values() if not g.initialized]:
if hasattr(graph, 'color') and graph.color is None:
graph.color = hex_to_rgba(colors[graph_color_index%colors_length])
graph_color_index+=1
graph.init()
self._update_graph_matricies()
self._graphs_initialized = True
def _update_xaxis(self):
"""
updates camera and modelview of the x axis
"""
if self._render_axis[0]:
self._xaxis.size = self.get_xaxis_size()
self._xaxis.update_camera(self.camera)
self._xaxis.modelview.set_position(self._plotplane_margin[3], self.plotframe_size[1]-self._axis_translation[0]+self._plotplane_margin[0])
self._xaxis.update_modelview()
labels = self._xaxis.labels
curr_length = len(self._axis_texts[0])
margin = self._plotplane_margin[3]
for i in range(0, len(labels)-curr_length):
x, label = labels[i+curr_length]
text = self._fntrenderer.create_text(label,
size=self.color_scheme['axis-fontsize'],
position=(x+margin,0),
color=hex_to_rgba(self.color_scheme['axis-fontcolor']))
self._axis_texts[0].append(text)
self._fntlayout.add_text(text, ('bottom', self._plotplane_margin[2]-text.size-10))
text.position = (text.position[0]-text.get_boxsize()[0]/2.0, text.position[1])
for i in range(0, min(len(labels), curr_length)):
text = self._axis_texts[0][i]
x, label = labels[i]
if label != text.chars:
text.chars = label
text.position = (x+margin-text.get_boxsize()[0]/2.0, text.position[1])
text.color = hex_to_rgba(self.color_scheme['axis-fontcolor'])
# hide unwanted texts
for i in range(len(labels), curr_length):
self._axis_texts[0][i].color = [0,0,0,0]
def _update_yaxis(self):
"""
updates camera and modelview of the y axis
"""
if self._render_axis[1]:
#translation = self._plotframe.inner_camera.get_position()[1]
self._yaxis.size = self.get_yaxis_size()
self._yaxis.capture_size = self.get_yaxis_size()
self._yaxis.modelview.set_position(self._plotplane_margin[3]-self._axis_translation[1],self._plotplane_margin[0])
self._yaxis.update_modelview()
self._yaxis.update_camera(self.camera)
labels = self._yaxis.labels
curr_length = len(self._axis_texts[1])
margin = self._plotplane_margin[0]
active_length = 0
for i in range(0, len(labels)-curr_length):
y, label = labels[i+curr_length]
text = self._fntrenderer.create_text(label,
size=self.color_scheme['axis-fontsize'],
position=(0,margin+y),
color=hex_to_rgba(self.color_scheme['axis-fontcolor']))
self._axis_texts[1].append(text)
# XXX how to do this better?
boxsize = text.get_boxsize()
self._yboxwidths.append(boxsize[0])
text.position = (text.position[0], text.position[1]-boxsize[1]/2.0)
active_length += 1
for i in range(0, min(len(labels), curr_length)):
text = self._axis_texts[1][i]
y, label = labels[i]
if label != text.chars:
text.chars = label
boxsize = text.get_boxsize()
self._yboxwidths[i] = boxsize[0]
text.position = (text.position[0]-text.get_boxsize()[0]/2.0, y+margin-text.get_boxsize()[1]/2.0)
text.color = hex_to_rgba(self.color_scheme['axis-fontcolor'])
active_length += 1
# hide unwanted texts
for i in range(len(labels), curr_length):
self._axis_texts[1][i].color = [0,0,0,0]
active_length -= 1
self._yboxwidths[i] = 0
maxboxwidth = max(self.min_label_space[1], np.max(self._yboxwidths))
old = self._plotplane_margin[3]
if self._ylabel is not None:
maxboxwidth += self.color_scheme['ylabel-fontsize']+10
self._plotplane_margin[3] = max(self.min_label_space[1], int(maxboxwidth)+5)
if self._plotplane_margin[3] != old:
self._margin_changed = True
for i in range(len(self._yboxwidths)):
self._axis_texts[1][i].position = (
maxboxwidth - self._axis_texts[1][i].get_boxsize()[0]+5,
self._axis_texts[1][i].position[1]
)
if self._margin_changed:
self._yaxis.modelview.set_position(self._plotplane_margin[3]-self._axis_translation[1],self._plotplane_margin[0])
self._yaxis.update_modelview()
self._yaxis.update_camera(self.camera)
self._update_xaxis()
self._plotplane.position = self.plotframe_position
def _update_measure_axis(self):
if self._colorlegend_axis:
#self._colorlegend_axis.size = self.get_yaxis_size()
#self._colorlegend_axis.capture_size = self.get_yaxis_size()
self._colorlegend_axis.modelview.set_position(self._plotplane_margin[3] + self.plotframe_size[0] + self.colorlegend_size[0], self._plotplane_margin[0])
self._colorlegend_axis.update_modelview()
self._colorlegend_axis.update_camera(self.camera)
def _update_plotframe_camera(self):
"""
updates plotframe camera
"""
self._plotframe.screensize = self.plotframe_size
self._plotframe.capture_size = self.plotframe_size
self._plotframe.update_camera(self.camera)
self._plotframe.inner_camera.set_screensize(self.plotframe_size)
def _update_colorlegend(self):
if self.colorlegend is not None:
self.init_colorlegend()
def camera_updated(self, camera):
"""
updates cameras and modelview of axis and plotplane
"""
self._update_xaxis()
self._update_yaxis()
self._update_measure_axis()
self._update_plotframe_camera()
self._update_graph_matricies()
self._update_colorlegend()
self._fntrenderer.set_camera(self.camera)
self.render_graphs = True
self.shaperenderer.update_camera()
self._plotplane.size = self.plotframe_size
if self.widget is not None and hasattr(self.widget, 'update_camera'):
self.widget.update_camera()
Controller.camera_updated(self, camera)
def _update_graph_matricies(self):
for graph in self.graphs.values():
if hasattr(graph, 'update_plotmeta'):
# strech domain a little bit over plot plane boundaries
# XXX
# check this for static domains
plot_camera = self._plotframe.inner_camera;
axis = plot_camera.get_screen_scaling()
origin = plot_camera.get_position()
graph.update_plotmeta(
plot_camera.get_matrix(),
self._plotframe.camera.get_matrix(),
axis,
origin
)
# controller action events
def pre_render(self):
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glClearColor(*hex_to_rgba(self.color_scheme['bgcolor']))
def post_render(self):
self._has_rendered = True
def check_graphs(self):
if not self._graphs_initialized:
self.init_graphs()
def render(self):
if self.render_graphs:
# only render graphs if neccessary
self._plotframe.use()
if self._debug:
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
# graph rendering
for id, graph in self.graphs.items():
graph.render(self)
if self._debug:
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
self._plotframe.unuse()
self.render_graphs = False
if self.state == self.STATE_SELECT_AREA:
cursor = list(self.cursor)
frame_pos = self.plotframe_position
frame_size = self.plotframe_size
cursor[0] = min(frame_pos[0]+frame_size[0], max(frame_pos[0], cursor[0]))
cursor[1] = min(frame_pos[1]+frame_size[1], max(frame_pos[1], cursor[1]))
self._select_area_rectangle.size = (
cursor[0]-self._select_area[0],
cursor[1]-self._select_area[1],
)
self._select_area_rectangle.position = self._select_area[0:2]
self.shaperenderer.render()
if self._render_axis[1]:
self._yaxis.render()
if self._render_axis[0]:
self._xaxis.render()
if self._colorlegend_axis:
self._colorlegend_axis.render()
self._fntlayout.update_layout()
self._fntrenderer.render()
if self.widget is not None:
self.widget.run()
self.widget.draw()
def init_colorlegend(self):
"""
initializes color legend.
XXX
- Refactor me as a kind of widget or so ...
"""
if self.colorlegend is not None:
self._colorlegend_frame = window.Framebuffer(
self.camera,
screensize = self.colorlegend_size,
blit_texture=True,
clear_color = hex_to_rgba(self.color_scheme['plotplane-bgcolor']),
multisampling=2
)
self._colorlegend_frame.init()
colorrange = self.colorlegend.colorrange
colorrange_length = colorrange[1]-colorrange[0]
factor = 0.1
self._colorlegend_frame.inner_camera.set_scaling([1,colorrange_length*(1+2*factor)])
self._colorlegend_frame.inner_camera.set_position(0,-colorrange_length*factor+colorrange[0])
self._colorlegend_frame.update_camera(self.camera)
if self._colorlegend is None:
self._colorlegend = ShapeInstance('default_rectangle', **{
'size': self.colorlegend_size,
'position': self.colorlegend_position,
'border': {'size': self.color_scheme['plotframe-border-size'],'color': hex_to_rgba(self.color_scheme['plotframe-border-color'])},
'color': [0,0,0,0],
'texture': self._colorlegend_frame
})
self.shaperenderer.draw_instance(self._colorlegend)
else:
self._colorlegend.position = self.colorlegend_position
self._colorlegend.size = self.colorlegend_size
self._colorlegend_graph = Field(
top_left=(0,colorrange_length*(1+factor)+colorrange[0]),
bottom_right=(1,colorrange[0]-colorrange_length*factor),
color_scheme=self.colorlegend,
data_kernel='fragment_color = vec4({a}+({l})*(1+2*({f}))*x.y-({l})*({f}),0,0,1)'.format(a=colorrange[0],l=colorrange_length,f=factor)
)
self._colorlegend_graph.init()
plot_camera = self._colorlegend_frame.inner_camera;
self._colorlegend_graph.program.uniform('mat_camera', plot_camera.get_matrix())
self._colorlegend_graph.program.uniform('mat_outer_camera', self._plotframe.camera.get_matrix())
self._colorlegend_graph.program.uniform('mat_domain', np.identity(3))
self._colorlegend_axis = axis.Fixed(
camera = self.camera,
measurements = self.colorlegend.range,
bgcolor = hex_to_rgba(self.color_scheme['yaxis-bgcolor']),
size = (self.get_yaxis_size()[0], self.get_yaxis_size()[1]),
scale_camera = self._colorlegend_frame.inner_camera,
linecolor = hex_to_rgba(self.color_scheme['yaxis-linecolor']),
modelview = ModelView()
)
self._colorlegend_axis.init()
self._update_measure_axis()
self._colorlegend_frame.use()
self._colorlegend_graph.render(self)
self._colorlegend_frame.unuse()
length = colorrange_length*(1+2*factor)
shift = colorrange_length*factor
y_viewspace = lambda y: (1-(float(y-colorrange[0]+shift)/length))*self.colorlegend_size[1]+self.colorlegend_margin[0]
x_viewspace = self.colorlegend_position[0]+self.colorlegend_size[0]+5
curr_length = len(self._colorlegend_texts)
labels = self._colorlegend_axis.labels
for i in range(len(labels) - curr_length):
yplot, label = labels[i+curr_length]
text = self._fntrenderer.create_text(label,
size=self.color_scheme['axis-fontsize'],
position=(x_viewspace,y_viewspace(yplot)-10),
color=hex_to_rgba(self.color_scheme['axis-fontcolor']))
self._colorlegend_texts.append(text)
for i in range(0, min(len(labels), curr_length)):
text = self._colorlegend_texts[i]
yplot, label = labels[i]
if label != text.chars:
text.chars = label
text.position = (x_viewspace,y_viewspace(yplot)-10)
text.color = hex_to_rgba(self.color_scheme['axis-fontcolor'])
