def MainWindow(self, show=True):
'''
Main window.
'''
self.icons = nanogui.loadImageDirectory(self.screen.nvgContext(),
"icons")
self.main_wnd = Widget(self.screen)
layout = GroupLayout()
layout.setMargin(3)
self.main_wnd.setLayout(layout)
self.main_wnd.setFixedSize((self.main_width, self.main_height))
b = Button(self.main_wnd, "Export")
b.setFixedHeight(25)
b.setCallback(ps_act.ExportFiles)
# Slots.
slots = Widget(self.main_wnd)
slots.setPosition((20, 60))
slots.setFixedHeight(345)
self.DrawSlots(slots)
# Tools.
self.Tools(self.main_wnd)
# Final draw.
self.screen.setBackground(backgr_color)
self.screen.drawAll()
self.screen.drawContents()
self.screen.performLayout()
def DrawSlots(self, parent):
images = Widget(parent)
images.setLayout(GroupLayout())
vscroll = VScrollPanel(images)
vscroll.setFixedHeight(300)
vscroll.setFixedWidth(240)
vscroll.setLayout(GroupLayout())
self.DrawAllSlots(vscroll)
def cubesRendererWindow(self):
""" Popup window for Cubes Renderer control and options"""
popupBtnCubesRenderer = PopupButton(self.window, "Cubes")
popupBtnCubesRenderer.setFontSize(16)
popupCubesRenderer = popupBtnCubesRenderer.popup()
popupCubesRenderer.setLayout(GroupLayout())
Label(popupCubesRenderer, "Cubes Renderer Options", "sans-bold")
def cb(state):
# self.pw.gl_canvas.switchCubesRenderer()
self.pw.gl_canvas.cubes.switch()
# self.pw.gl_canvas.setCubesSize(sliderCubeSize.value())
self.pw.gl_canvas.cubes.setSize(sliderCubeSize.value())
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupCubesRenderer, "Cubes", cb)
def cb(state):
# self.pw.gl_canvas.setCubesSize(sliderCubeSize.value())
self.pw.gl_canvas.cubes.setSize(sliderCubeSize.value())
self.pw.gl_canvas.updateRenderers()
sliderCubeSize = Slider(popupCubesRenderer)
sliderCubeSize.setValue(0.25)
sliderCubeSize.setRange((0, 0.5))
sliderCubeSize.setFixedWidth(120)
sliderCubeSize.setCallback(cb)
def neighborsRendererWindow(self):
""" Popup window for Neighbors Renderer control and options"""
popupBtnNeighborsRenderer = PopupButton(self.window, "Neighbors")
popupBtnNeighborsRenderer.setFontSize(16)
popupNeighborsRenderer = popupBtnNeighborsRenderer.popup()
popupNeighborsRenderer.setLayout(GroupLayout())
Label(popupNeighborsRenderer, "Neighbors Renderer Options",
"sans-bold")
def switch_cb(state):
self.pw.gl_canvas.neighbors.switch(intBox.value() - 1)
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupNeighborsRenderer, "Neighbors", switch_cb)
intBox = IntBox(popupNeighborsRenderer)
intBox.setEditable(True)
intBox.setFixedSize((150, 20))
intBox.setUnits("spin index")
intBox.setValue(1)
intBox.setDefaultValue("1")
intBox.setFontSize(16)
intBox.setFormat("[1-9][0-9]*")
intBox.setSpinnable(True)
intBox.setMinValue(1)
intBox.setValueIncrement(1)
def update_cb(state):
self.pw.gl_canvas.neighbors.setIndex(intBox.value() - 1)
self.pw.gl_canvas.updateRenderers()
intBox.setCallback(update_cb)
def __init__(self):
super(TestApp, self).__init__((800, 600), "NanoGUI Test", False)
window = Window(self, "Canvas widget demo")
window.set_position((15, 15))
window.set_layout(GroupLayout())
self.canvas = MyCanvas(window)
self.canvas.set_background_color(Color(0.5, 0.5, 0.5, 1.0))
self.canvas.set_size((400, 400))
tools = Widget(window)
tools.set_layout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 5))
b0 = Button(tools, "Random Background")
def cb0():
self.canvas.set_background_color(
Color(random.random(), random.random(), random.random(), 1.0))
b0.set_callback(cb0)
b1 = Button(tools, "Random Rotation")
def cb1():
self.canvas.rotation = random.random() * math.pi
b1.set_callback(cb1)
self.perform_layout()
def __init__(self):
super(TestApp, self).__init__((800, 600), "NanoGUI Test", False)
window = Window(self, "GLCanvas Demo")
window.setPosition((15, 15))
window.setLayout(GroupLayout())
self.canvas = MyGLCanvas(window)
self.canvas.setBackgroundColor(Color(0.5, 0.5, 0.5, 1.0))
self.canvas.setSize((400, 400))
self.canvas.rotation = [0.25, 0.5, 0.33]
tools = Widget(window)
tools.setLayout(BoxLayout(Orientation.Horizontal,
Alignment.Middle, 0, 5))
b0 = Button(tools, "Random Color")
def cb0():
self.canvas.setBackgroundColor(Color(random.random(), random.random(), random.random(), 1.0))
b0.setCallback(cb0)
b1 = Button(tools, "Random Rotation")
def cb1():
self.canvas.rotation = [random.random(), random.random(), random.random()]
b1.setCallback(cb1)
self.performLayout()
def miscaleneousRenderersWindow(self):
""" Popup window for other Renderers and general options"""
popupBtnMiscRenderers = PopupButton(self.window, "Misc")
popupBtnMiscRenderers.setFontSize(16)
popupMiscRenderers = popupBtnMiscRenderers.popup()
popupMiscRenderers.setLayout(GroupLayout())
Label(popupMiscRenderers, "Miscaleneous Renderers", "sans-bold")
def cb(state):
self.pw.gl_canvas.coordinate.switch()
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupMiscRenderers, "Coordinates", cb)
chb.setChecked(self.pw.gl_canvas.coordinate.show)
def cb(state):
print("Not implemented!")
chb = CheckBox(popupMiscRenderers, "ArrowsSphere", cb)
def cb(state):
self.pw.gl_canvas.bounding_box.switch()
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupMiscRenderers, "Bounding Box", cb)
chb.setChecked(self.pw.gl_canvas.bounding_box.show)
def __init__(self, parent, items, parent_window, icon=None):
super().__init__(parent)
self.popupBtn = PopupButton(parent, items[0])
popup = self.popupBtn.popup()
popup.setLayout(GroupLayout())
self.list_panel = FilteredListPanel(popup, items, parent_window)
self.list_panel.setSelectedIndex(0)
def arrowsRendererWindow(self):
""" Popup window for Arrows Renderer control and options"""
popupBtnArrowsRenderer = PopupButton(self.window, "Arrows")
popupBtnArrowsRenderer.setFontSize(16)
popupArrowsRenderer = popupBtnArrowsRenderer.popup()
popupArrowsRenderer.setLayout(GroupLayout())
Label(popupArrowsRenderer, "Arrows Renderer Options", "sans-bold")
def cb(state):
self.pw.gl_canvas.arrows.switch()
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupArrowsRenderer, "Arrows", cb)
chb.setChecked(self.pw.gl_canvas.arrows.show)
def __init__(self, parent):
super(LayersList, self).__init__(parent)
self.setLayout(GroupLayout())
self.setFixedSize((400, 0))
self.layers = []
self.shouldPerformLayout = False
self.engine = None
self.colorchoices = []
self.colorchoices.append('f5a430')
self.colorchoices.append('f56332')
self.colorchoices.append('f54fc9')
self.colorchoices.append('40e43d')
self.colorchoices.append('40dcff')
self.colorchoices.append('49a4ff')
self.colorchoices.append('fc7f7f')
for i in range(0):
self.add_layer('Layer ' + str(i + 1))
self.cache = None
def tab_cb(index):
if index == (tabWidget.tabCount()-1):
global counter
# When the "+" tab has been clicked, simply add a new tab.
tabName = "Dynamic {0}".format(counter)
layerDyn = tabWidget.createTab(index, tabName)
layerDyn.setLayout(GroupLayout())
Label(layerDyn, "Function graph widget", "sans-bold")
graphDyn = Graph(layerDyn, "Dynamic function")
graphDyn.setHeader("E = 2.35e-3")
graphDyn.setFooter("Iteration {0}".format(index*counter))
valuesDyn = [0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)]
graphDyn.setValues(valuesDyn)
counter += 1
# We must invoke perform layout from the screen instance to keep everything in order.
# This is essential when creating tabs dynamically.
self.performLayout()
# Ensure that the newly added header is visible on screen
tabWidget.ensureTabVisible(index)
def tab_cb(index):
if index == plus_id:
global counter
# When the "+" tab has been clicked, simply add a new tab.
tab_name = "Dynamic {0}".format(counter)
layer_dyn = Widget(tab_widget)
layer_dyn.set_layout(GroupLayout())
new_id = tab_widget.insert_tab(tab_widget.tab_count() - 1,
tab_name, layer_dyn)
Label(layer_dyn, "Function graph widget", "sans-bold")
graph_dyn = Graph(layer_dyn, "Dynamic function")
graph_dyn.set_header("E = 2.35e-3")
graph_dyn.set_footer("Iteration {0}".format(index*counter))
values_dyn = [0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)]
graph_dyn.set_values(values_dyn)
counter += 1
# We must invoke the layout manager after adding tabs dynamically
self.perform_layout()
tab_widget.set_selected_id(new_id)
def __init__(self, parent_window, position):
# The parent window is the main window for floating windows
self.pw = parent_window
# Default properties
default_height = 250
default_height_min = 30
default_width = 200
# Initialize the floating window
self.window = Window(self.pw, "alpha")
self.window.setFixedSize((default_width * self.pw.pixelRatio(),
default_height * self.pw.pixelRatio()))
self.window.setPosition(position)
self.window.setLayout(GroupLayout())
# Add window control buttons (min/max, close, etc)
buttons = self.window.buttonPanel()
# Minimize/Maximize
b_minmax = Button(buttons, "", icon=entypo.ICON_CHEVRON_DOWN)
def cb():
if self.window.height() == default_height_min:
self.window.setHeight(default_height)
else:
self.window.setHeight(default_height_min)
b_minmax.setPushed(not b_minmax.pushed())
b_minmax.setCallback(cb)
# Close
b_close = Button(buttons, "", icon=entypo.ICON_CIRCLE_WITH_CROSS)
def cb():
self.window.dispose()
b_close.setCallback(cb)
def __init__(self, voxel_grids, normals=None, mesh_file=None):
super(VoxelGridViewer, self).__init__()
self.disp_idx = 0
self.voxel_grids = voxel_grids
self.normals = normals
if mesh_file is not None:
self.mesh = TriangleMesh(mesh_file)
else:
self.mesh = None
window = Window(self, "VoxelGridViewer")
window.setPosition((15, 15))
window.setLayout(GroupLayout())
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 5))
self.label = Label(window, self.voxel_grids[self.disp_idx][0])
self.selected_voxel = None
self.performLayout()
def dotsRenderWindow(self):
""" Popup window for Dots Renderer control and options"""
popupBtnDotRenderer = PopupButton(self.window, "Dots")
popupBtnDotRenderer.setFontSize(16)
popupDotRenderer = popupBtnDotRenderer.popup()
popupDotRenderer.setLayout(GroupLayout())
Label(popupDotRenderer, "Dot Renderer Options", "sans-bold")
def cb(state):
self.pw.gl_canvas.dots.switch(comboDotStyle.selectedIndex())
self.pw.gl_canvas.dots.setSize(sliderDotRadius.value())
self.pw.gl_canvas.updateRenderers()
chb = CheckBox(popupDotRenderer, "Dot", cb)
def cb(state):
self.pw.gl_canvas.dots.setSize(sliderDotRadius.value())
self.pw.gl_canvas.updateRenderers()
sliderDotRadius = Slider(popupDotRenderer)
sliderDotRadius.setRange([0, 1000])
sliderDotRadius.setValue(500)
sliderDotRadius.setFixedWidth(120)
sliderDotRadius.setCallback(cb)
Label(popupDotRenderer, "Dot style")
comboDotStyle = ComboBox(popupDotRenderer,
self.pw.gl_canvas.dots.getStyles())
def cb(state):
self.pw.gl_canvas.dots.setStyle(comboDotStyle.selectedIndex())
comboDotStyle.setCallback(cb)
comboDotStyle.setFontSize(16)
comboDotStyle.setFixedSize((100, 20))
def __init__(self):
super(TestApp, self).__init__((1024, 768), "NanoGUI Test")
self.shader = None
window = Window(self, "Button demo")
window.set_position((15, 15))
window.set_layout(GroupLayout())
Label(window, "Push buttons", "sans-bold")
b = Button(window, "Plain button")
def cb():
print("pushed!")
b.set_callback(cb)
b = Button(window, "Styled", icons.FA_ROCKET)
b.set_background_color(Color(0, 0, 1.0, 0.1))
b.set_callback(cb)
Label(window, "Toggle buttons", "sans-bold")
b = Button(window, "Toggle me")
b.set_flags(Button.Flags.ToggleButton)
def change_cb(state):
print("Toggle button state: %s" % str(state))
b.set_change_callback(change_cb)
Label(window, "Radio buttons", "sans-bold")
b = Button(window, "Radio button 1")
b.set_flags(Button.Flags.RadioButton)
b = Button(window, "Radio button 2")
b.set_flags(Button.Flags.RadioButton)
Label(window, "A tool palette", "sans-bold")
tools = Widget(window)
tools.set_layout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
ToolButton(tools, icons.FA_CLOUD)
ToolButton(tools, icons.FA_FAST_FORWARD)
ToolButton(tools, icons.FA_COMPASS)
ToolButton(tools, icons.FA_UTENSILS)
Label(window, "Popup buttons", "sans-bold")
popup_btn = PopupButton(window, "Popup", icons.FA_FLASK)
popup = popup_btn.popup()
popup.set_layout(GroupLayout())
Label(popup, "Arbitrary widgets can be placed here")
CheckBox(popup, "A check box")
# popup right
popup_btn = PopupButton(popup, "Recursive popup", icons.FA_CHART_PIE)
popup_right = popup_btn.popup()
popup_right.set_layout(GroupLayout())
CheckBox(popup_right, "Another check box")
# popup left
popup_btn = PopupButton(popup, "Recursive popup", icons.FA_DNA)
popup_btn.set_side(Popup.Side.Left)
popup_left = popup_btn.popup()
popup_left.set_layout(GroupLayout())
CheckBox(popup_left, "Another check box")
window = Window(self, "Basic widgets")
window.set_position((200, 15))
window.set_layout(GroupLayout())
Label(window, "Message dialog", "sans-bold")
tools = Widget(window)
tools.set_layout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
def cb2(result):
print("Dialog result: %i" % result)
b = Button(tools, "Info")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Information, "Title",
"This is an information message")
dlg.set_callback(cb2)
b.set_callback(cb)
b = Button(tools, "Warn")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a warning message")
dlg.set_callback(cb2)
b.set_callback(cb)
b = Button(tools, "Ask")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a question message", "Yes", "No",
True)
dlg.set_callback(cb2)
b.set_callback(cb)
import os
import sys
os.chdir(sys.path[0])
try:
icons_data = nanogui.load_image_directory(self.nvg_context(),
"icons")
except:
try:
icons_data = nanogui.load_image_directory(
self.nvg_context(), "../icons")
except:
icons_data = nanogui.load_image_directory(
self.nvg_context(), "../resources/icons")
Label(window, "Image panel & scroll panel", "sans-bold")
image_panel_btn = PopupButton(window, "Image Panel")
image_panel_btn.set_icon(icons.FA_IMAGES)
popup = image_panel_btn.popup()
vscroll = VScrollPanel(popup)
img_panel = ImagePanel(vscroll)
img_panel.set_images(icons_data)
popup.set_fixed_size((245, 150))
img_window = Window(self, "Selected image")
img_window.set_position((710, 15))
img_window.set_layout(GroupLayout())
img_view = ImageView(img_window)
img_view.set_image(
Texture(icons_data[0][1] + ".png",
Texture.InterpolationMode.Trilinear,
Texture.InterpolationMode.Nearest))
img_view.center()
def cb(i):
print("Selected item %i" % i)
img_view.set_image(
Texture(icons_data[i][1] + ".png",
Texture.InterpolationMode.Trilinear,
Texture.InterpolationMode.Nearest))
img_panel.set_callback(cb)
Label(window, "File dialog", "sans-bold")
tools = Widget(window)
tools.set_layout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
b = Button(tools, "Open")
valid = [("png", "Portable Network Graphics"), ("txt", "Text file")]
def cb():
result = nanogui.file_dialog(valid, False)
print("File dialog result = %s" % result)
b.set_callback(cb)
b = Button(tools, "Save")
def cb():
result = nanogui.file_dialog(valid, True)
print("File dialog result = %s" % result)
b.set_callback(cb)
Label(window, "Combo box", "sans-bold")
ComboBox(window,
["Combo box item 1", "Combo box item 2", "Combo box item 3"])
Label(window, "Check box", "sans-bold")
def cb(state):
print("Check box 1 state: %s" % state)
chb = CheckBox(window, "Flag 1", cb)
chb.set_checked(True)
def cb(state):
print("Check box 2 state: %s" % state)
CheckBox(window, "Flag 2", cb)
Label(window, "Progress bar", "sans-bold")
self.progress = ProgressBar(window)
Label(window, "Slider and text box", "sans-bold")
panel = Widget(window)
panel.set_layout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 20))
slider = Slider(panel)
slider.set_value(0.5)
slider.set_fixed_width(80)
text_box = TextBox(panel)
text_box.set_fixed_size((60, 25))
text_box.set_value("50")
text_box.set_units("%")
text_box.set_font_size(20)
text_box.set_alignment(TextBox.Alignment.Right)
def cb(value):
text_box.set_value("%i" % int(value * 100))
slider.set_callback(cb)
def cb(value):
print("Final slider value: %i" % int(value * 100))
slider.set_final_callback(cb)
window = Window(self, "Misc. widgets")
window.set_position((425, 15))
window.set_layout(GroupLayout())
tab_widget = TabWidget(window)
layer = Widget(tab_widget)
layer.set_layout(GroupLayout())
tab_widget.append_tab("Color Wheel", layer)
Label(layer, "Color wheel widget", "sans-bold")
ColorWheel(layer)
layer = Widget(tab_widget)
layer.set_layout(GroupLayout())
tab_widget.append_tab("Function Graph", layer)
Label(layer, "Function graph widget", "sans-bold")
graph = Graph(layer, "Some function")
graph.set_header("E = 2.35e-3")
graph.set_footer("Iteration 89")
values = [
0.5 * (0.5 * math.sin(i / 10.0) + 0.5 * math.cos(i / 23.0) + 1)
for i in range(100)
]
graph.set_values(values)
# Dummy tab used to represent the last tab button.
plus_id = tab_widget.append_tab("+", Widget(tab_widget))
def tab_cb(index):
if index == plus_id:
global counter
# When the "+" tab has been clicked, simply add a new tab.
tab_name = "Dynamic {0}".format(counter)
layer_dyn = Widget(tab_widget)
layer_dyn.set_layout(GroupLayout())
new_id = tab_widget.insert_tab(tab_widget.tab_count() - 1,
tab_name, layer_dyn)
Label(layer_dyn, "Function graph widget", "sans-bold")
graph_dyn = Graph(layer_dyn, "Dynamic function")
graph_dyn.set_header("E = 2.35e-3")
graph_dyn.set_footer("Iteration {0}".format(index * counter))
values_dyn = [
0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)
]
graph_dyn.set_values(values_dyn)
counter += 1
# We must invoke the layout manager after adding tabs dynamically
self.perform_layout()
tab_widget.set_selected_id(new_id)
tab_widget.set_callback(tab_cb)
window = Window(self, "Grid of small widgets")
window.set_position((425, 300))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.set_col_alignment([Alignment.Maximum, Alignment.Fill])
layout.set_spacing(0, 10)
window.set_layout(layout)
Label(window, "Floating point :", "sans-bold")
float_box = TextBox(window)
float_box.set_editable(True)
float_box.set_fixed_size((100, 20))
float_box.set_value("50")
float_box.set_units("GiB")
float_box.set_default_value("0.0")
float_box.set_font_size(16)
float_box.set_format("[-]?[0-9]*\\.?[0-9]+")
Label(window, "Positive integer :", "sans-bold")
int_box = IntBox(window)
int_box.set_editable(True)
int_box.set_fixed_size((100, 20))
int_box.set_value(50)
int_box.set_units("Mhz")
int_box.set_default_value("0")
int_box.set_font_size(16)
int_box.set_format("[1-9][0-9]*")
int_box.set_spinnable(True)
int_box.set_min_value(1)
int_box.set_value_increment(2)
Label(window, "Checkbox :", "sans-bold")
cb = CheckBox(window, "Check me")
cb.set_font_size(16)
cb.set_checked(True)
Label(window, "Combo box :", "sans-bold")
cobo = ComboBox(window, ["Item 1", "Item 2", "Item 3"])
cobo.set_font_size(16)
cobo.set_fixed_size((100, 20))
Label(window, "Color picker :", "sans-bold")
cp = ColorPicker(window, Color(255, 120, 0, 255))
cp.set_fixed_size((100, 20))
def cp_final_cb(color):
print("ColorPicker Final Callback: [{0}, {1}, {2}, {3}]".format(
color.r, color.g, color.b, color.w))
cp.set_final_callback(cp_final_cb)
# setup a fast callback for the color picker widget on a new window
# for demonstrative purposes
window = Window(self, "Color Picker Fast Callback")
window.set_position((425, 300))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.set_col_alignment([Alignment.Maximum, Alignment.Fill])
layout.set_spacing(0, 10)
window.set_layout(layout)
window.set_position((425, 500))
Label(window, "Combined: ")
b = Button(window, "ColorWheel", icons.FA_INFINITY)
Label(window, "Red: ")
red_int_box = IntBox(window)
red_int_box.set_editable(False)
Label(window, "Green: ")
green_int_box = IntBox(window)
green_int_box.set_editable(False)
Label(window, "Blue: ")
blue_int_box = IntBox(window)
blue_int_box.set_editable(False)
Label(window, "Alpha: ")
alpha_int_box = IntBox(window)
def cp_fast_cb(color):
b.set_background_color(color)
b.set_text_color(color.contrasting_color())
red = int(color.r * 255.0)
red_int_box.set_value(red)
green = int(color.g * 255.0)
green_int_box.set_value(green)
blue = int(color.b * 255.0)
blue_int_box.set_value(blue)
alpha = int(color.w * 255.0)
alpha_int_box.set_value(alpha)
cp.set_callback(cp_fast_cb)
self.perform_layout()
self.render_pass = RenderPass([self])
self.render_pass.set_clear_color(0, Color(0.3, 0.3, 0.32, 1.0))
if nanogui.api == 'opengl':
vertex_shader = """
#version 330
uniform mat4 mvp;
in vec3 position;
void main() {
gl_Position = mvp * vec4(position, 1.0);
}"""
fragment_shader = """
#version 330
out vec4 color;
uniform float intensity;
void main() {
color = vec4(vec3(intensity), 1.0);
}"""
elif nanogui.api == 'gles2' or nanogui.api == 'gles3':
vertex_shader = """
precision highp float;
uniform mat4 mvp;
attribute vec3 position;
void main() {
gl_Position = mvp * vec4(position, 1.0);
}"""
fragment_shader = """
precision highp float;
uniform float intensity;
void main() {
gl_FragColor = vec4(vec3(intensity), 1.0);
}"""
elif nanogui.api == 'metal':
vertex_shader = """
using namespace metal;
struct VertexOut {
float4 position [[position]];
};
vertex VertexOut vertex_main(const device packed_float3 *position,
constant float4x4 &mvp,
uint id [[vertex_id]]) {
VertexOut vert;
vert.position = mvp * float4(position[id], 1.f);
return vert;
}"""
fragment_shader = """
using namespace metal;
fragment float4 fragment_main(const constant float &intensity) {
return float4(intensity);
}"""
self.shader = Shader(
self.render_pass,
# An identifying name
"A simple shader",
vertex_shader,
fragment_shader)
self.shader.set_buffer("indices",
np.array([0, 1, 2, 2, 3, 0], dtype=np.uint32))
self.shader.set_buffer(
"position",
np.array([[-1, -1, 0], [1, -1, 0], [1, 1, 0], [-1, 1, 0]],
dtype=np.float32))
self.shader.set_buffer("intensity", np.array(0.5, dtype=np.float32))
def __init__(self):
super(NomixApp, self).__init__((1440, 900), 'Nomix')
self.status = StatusWindow(self)
self.audio_window = AudioWindow(self)
self.engine = AudioEngine()
self.pbwindow = PlaybackWindow(self, self.engine)
self.layers_window = LayersWindow(self)
self.layers_window.layers.set_engine(self.engine)
self.layers_window.redraw_spec_cb = self.redraw_spect
self.engine.set_layer_list(self.layers_window.layers)
self.engine.set_audio_window(self.audio_window)
self.engine.set_playback_window(self.pbwindow)
window = Window(self, 'Misc. widgets')
window.setPosition((675, 330))
window.setLayout(GroupLayout())
tabWidget = TabWidget(window)
layer = tabWidget.createTab('Color Wheel')
layer.setLayout(GroupLayout())
Label(layer, 'Color wheel widget', 'sans-bold')
ColorWheel(layer)
layer = tabWidget.createTab('Function Graph')
layer.setLayout(GroupLayout())
Label(layer, 'Function graph widget', 'sans-bold')
graph = Graph(layer, 'Some function')
graph.setHeader('E = 2.35e-3')
graph.setFooter('Iteration 89')
values = [
0.5 * (0.5 * math.sin(i / 10.0) + 0.5 * math.cos(i / 23.0) + 1)
for i in range(100)
]
graph.setValues(values)
tabWidget.setActiveTab(0)
# Dummy tab used to represent the last tab button.
tabWidget.createTab('+')
def tab_cb(index):
if index == (tabWidget.tabCount() - 1):
global counter
# When the '+' tab has been clicked, simply add a new tab.
tabName = 'Dynamic {0}'.format(counter)
layerDyn = tabWidget.createTab(index, tabName)
layerDyn.setLayout(GroupLayout())
Label(layerDyn, 'Function graph widget', 'sans-bold')
graphDyn = Graph(layerDyn, 'Dynamic function')
graphDyn.setHeader('E = 2.35e-3')
graphDyn.setFooter('Iteration {0}'.format(index * counter))
valuesDyn = [
0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)
]
graphDyn.setValues(valuesDyn)
counter += 1
# We must invoke perform layout from the screen instance to keep everything
# in order. This is essential when creating tabs dynamically.
self.performLayout()
# Ensure that the newly added header is visible on screen
tabWidget.ensureTabVisible(index)
tabWidget.setCallback(tab_cb)
tabWidget.setActiveTab(0)
window = Window(self, 'Grid of small widgets')
window.setPosition((425, 330))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.setColAlignment([Alignment.Maximum, Alignment.Fill])
layout.setSpacing(0, 10)
window.setLayout(layout)
Label(window, 'Floating point :', 'sans-bold')
floatBox = TextBox(window)
floatBox.setEditable(True)
floatBox.setFixedSize((100, 20))
floatBox.setValue('50')
# floatBox.setUnits('GiB')
floatBox.setDefaultValue('0.0')
floatBox.setFontSize(16)
floatBox.setFormat('[-]?[0-9]*\\.?[0-9]+')
Label(window, 'Positive integer :', 'sans-bold')
intBox = IntBox(window)
intBox.setEditable(True)
intBox.setFixedSize((100, 20))
intBox.setValue(50)
intBox.setUnits('Mhz')
intBox.setDefaultValue('0')
intBox.setFontSize(16)
intBox.setFormat('[1-9][0-9]*')
intBox.setSpinnable(True)
intBox.setMinValue(1)
intBox.setValueIncrement(2)
Label(window, 'Checkbox :', 'sans-bold')
cb = CheckBox(window, 'Check me')
cb.setFontSize(16)
cb.setChecked(True)
Label(window, 'Combo box :', 'sans-bold')
cobo = ComboBox(window, ['Item 1', 'Item 2', 'Item 3'])
cobo.setFontSize(16)
cobo.setFixedSize((100, 20))
Label(window, 'Color picker :', 'sans-bold')
cp = ColorPicker(window, Color(255, 120, 0, 255))
cp.setFixedSize((100, 20))
def cp_final_cb(color):
print('ColorPicker Final Callback: [{0}, {1}, {2}, {3}]'.format(
color.r, color.g, color.b, color.w))
cp.setFinalCallback(cp_final_cb)
self.performLayout()
def __init__(self, parent):
super(AudioWindow, self).__init__(parent, 'Audio View')
self.setPosition((15, 15))
self.setLayout(GroupLayout())
self.canvas = AudioCanvas(self)
def __init__(self):
super(TestApp, self).__init__((1024, 768), "NanoGUI Test")
window = Window(self, "Button demo")
window.setPosition((15, 15))
window.setLayout(GroupLayout())
Label(window, "Push buttons", "sans-bold")
b = Button(window, "Plain button")
def cb():
print("pushed!")
b.setCallback(cb)
b = Button(window, "Styled", entypo.ICON_ROCKET)
b.setBackgroundColor(Color(0, 0, 1.0, 0.1))
b.setCallback(cb)
Label(window, "Toggle buttons", "sans-bold")
b = Button(window, "Toggle me")
b.setFlags(Button.Flags.ToggleButton)
def change_cb(state):
print("Toggle button state: %s" % str(state))
b.setChangeCallback(change_cb)
Label(window, "Radio buttons", "sans-bold")
b = Button(window, "Radio button 1")
b.setFlags(Button.Flags.RadioButton)
b = Button(window, "Radio button 2")
b.setFlags(Button.Flags.RadioButton)
Label(window, "A tool palette", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
ToolButton(tools, entypo.ICON_CLOUD)
ToolButton(tools, entypo.ICON_CONTROLLER_FAST_FORWARD)
ToolButton(tools, entypo.ICON_COMPASS)
ToolButton(tools, entypo.ICON_INSTALL)
Label(window, "Popup buttons", "sans-bold")
popupBtn = PopupButton(window, "Popup", entypo.ICON_EXPORT)
popup = popupBtn.popup()
popup.setLayout(GroupLayout())
Label(popup, "Arbitrary widgets can be placed here")
CheckBox(popup, "A check box")
# popup right
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popupRight = popupBtn.popup()
popupRight.setLayout(GroupLayout())
CheckBox(popupRight, "Another check box")
# popup left
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popupBtn.setSide(Popup.Side.Left)
popupLeft = popupBtn.popup()
popupLeft.setLayout(GroupLayout())
CheckBox(popupLeft, "Another check box")
window = Window(self, "Basic widgets")
window.setPosition((200, 15))
window.setLayout(GroupLayout())
Label(window, "Message dialog", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
def cb2(result):
print("Dialog result: %i" % result)
b = Button(tools, "Info")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Information, "Title",
"This is an information message")
dlg.setCallback(cb2)
b.setCallback(cb)
b = Button(tools, "Warn")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a warning message")
dlg.setCallback(cb2)
b.setCallback(cb)
b = Button(tools, "Ask")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a question message", "Yes", "No",
True)
dlg.setCallback(cb2)
b.setCallback(cb)
import os
import sys
os.chdir(sys.path[0])
try:
icons = nanogui.loadImageDirectory(self.nvgContext(), "icons")
except:
try:
icons = nanogui.loadImageDirectory(self.nvgContext(),
"../icons")
except:
icons = nanogui.loadImageDirectory(self.nvgContext(),
"../resources/icons")
Label(window, "Image panel & scroll panel", "sans-bold")
imagePanelBtn = PopupButton(window, "Image Panel")
imagePanelBtn.setIcon(entypo.ICON_FOLDER)
popup = imagePanelBtn.popup()
vscroll = VScrollPanel(popup)
imgPanel = ImagePanel(vscroll)
imgPanel.setImages(icons)
popup.setFixedSize((245, 150))
img_window = Window(self, "Selected image")
img_window.setPosition((710, 15))
img_window.setLayout(GroupLayout())
imgView = ImageView(img_window, icons[0][0])
def cb(i):
print("Selected item %i" % i)
imgView.bindImage(icons[i][0])
imgPanel.setCallback(cb)
imgView.setGridThreshold(3)
Label(window, "File dialog", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
b = Button(tools, "Open")
valid = [("png", "Portable Network Graphics"), ("txt", "Text file")]
def cb():
result = nanogui.file_dialog(valid, False)
print("File dialog result = %s" % result)
b.setCallback(cb)
b = Button(tools, "Save")
def cb():
result = nanogui.file_dialog(valid, True)
print("File dialog result = %s" % result)
b.setCallback(cb)
Label(window, "Combo box", "sans-bold")
ComboBox(window,
["Combo box item 1", "Combo box item 2", "Combo box item 3"])
Label(window, "Check box", "sans-bold")
def cb(state):
print("Check box 1 state: %s" % state)
chb = CheckBox(window, "Flag 1", cb)
chb.setChecked(True)
def cb(state):
print("Check box 2 state: %s" % state)
CheckBox(window, "Flag 2", cb)
Label(window, "Progress bar", "sans-bold")
self.progress = ProgressBar(window)
Label(window, "Slider and text box", "sans-bold")
panel = Widget(window)
panel.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 20))
slider = Slider(panel)
slider.setValue(0.5)
slider.setFixedWidth(80)
textBox = TextBox(panel)
textBox.setFixedSize((60, 25))
textBox.setValue("50")
textBox.setUnits("%")
textBox.setFontSize(20)
textBox.setAlignment(TextBox.Alignment.Right)
def cb(value):
textBox.setValue("%i" % int(value * 100))
slider.setCallback(cb)
def cb(value):
print("Final slider value: %i" % int(value * 100))
slider.setFinalCallback(cb)
window = Window(self, "Misc. widgets")
window.setPosition((425, 15))
window.setLayout(GroupLayout())
tabWidget = TabWidget(window)
layer = tabWidget.createTab("Color Wheel")
layer.setLayout(GroupLayout())
Label(layer, "Color wheel widget", "sans-bold")
ColorWheel(layer)
layer = tabWidget.createTab("Function Graph")
layer.setLayout(GroupLayout())
Label(layer, "Function graph widget", "sans-bold")
graph = Graph(layer, "Some function")
graph.setHeader("E = 2.35e-3")
graph.setFooter("Iteration 89")
values = [
0.5 * (0.5 * math.sin(i / 10.0) + 0.5 * math.cos(i / 23.0) + 1)
for i in range(100)
]
graph.setValues(values)
tabWidget.setActiveTab(0)
# Dummy tab used to represent the last tab button.
tabWidget.createTab("+")
def tab_cb(index):
if index == (tabWidget.tabCount() - 1):
global counter
# When the "+" tab has been clicked, simply add a new tab.
tabName = "Dynamic {0}".format(counter)
layerDyn = tabWidget.createTab(index, tabName)
layerDyn.setLayout(GroupLayout())
Label(layerDyn, "Function graph widget", "sans-bold")
graphDyn = Graph(layerDyn, "Dynamic function")
graphDyn.setHeader("E = 2.35e-3")
graphDyn.setFooter("Iteration {0}".format(index * counter))
valuesDyn = [
0.5 * abs((0.5 * math.sin(i / 10.0 + counter)) +
(0.5 * math.cos(i / 23.0 + 1 + counter)))
for i in range(100)
]
graphDyn.setValues(valuesDyn)
counter += 1
# We must invoke perform layout from the screen instance to keep everything in order.
# This is essential when creating tabs dynamically.
self.performLayout()
# Ensure that the newly added header is visible on screen
tabWidget.ensureTabVisible(index)
tabWidget.setCallback(tab_cb)
tabWidget.setActiveTab(0)
window = Window(self, "Grid of small widgets")
window.setPosition((425, 300))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.setColAlignment([Alignment.Maximum, Alignment.Fill])
layout.setSpacing(0, 10)
window.setLayout(layout)
Label(window, "Floating point :", "sans-bold")
floatBox = TextBox(window)
floatBox.setEditable(True)
floatBox.setFixedSize((100, 20))
floatBox.setValue("50")
floatBox.setUnits("GiB")
floatBox.setDefaultValue("0.0")
floatBox.setFontSize(16)
floatBox.setFormat("[-]?[0-9]*\\.?[0-9]+")
Label(window, "Positive integer :", "sans-bold")
intBox = IntBox(window)
intBox.setEditable(True)
intBox.setFixedSize((100, 20))
intBox.setValue(50)
intBox.setUnits("Mhz")
intBox.setDefaultValue("0")
intBox.setFontSize(16)
intBox.setFormat("[1-9][0-9]*")
intBox.setSpinnable(True)
intBox.setMinValue(1)
intBox.setValueIncrement(2)
Label(window, "Checkbox :", "sans-bold")
cb = CheckBox(window, "Check me")
cb.setFontSize(16)
cb.setChecked(True)
Label(window, "Combo box :", "sans-bold")
cobo = ComboBox(window, ["Item 1", "Item 2", "Item 3"])
cobo.setFontSize(16)
cobo.setFixedSize((100, 20))
Label(window, "Color picker :", "sans-bold")
cp = ColorPicker(window, Color(255, 120, 0, 255))
cp.setFixedSize((100, 20))
def cp_final_cb(color):
print("ColorPicker Final Callback: [{0}, {1}, {2}, {3}]".format(
color.r, color.g, color.b, color.w))
cp.setFinalCallback(cp_final_cb)
# setup a fast callback for the color picker widget on a new window
# for demonstrative purposes
window = Window(self, "Color Picker Fast Callback")
window.setPosition((425, 300))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.setColAlignment([Alignment.Maximum, Alignment.Fill])
layout.setSpacing(0, 10)
window.setLayout(layout)
window.setPosition((425, 500))
Label(window, "Combined: ")
b = Button(window, "ColorWheel", entypo.ICON_500PX)
Label(window, "Red: ")
redIntBox = IntBox(window)
redIntBox.setEditable(False)
Label(window, "Green: ")
greenIntBox = IntBox(window)
greenIntBox.setEditable(False)
Label(window, "Blue: ")
blueIntBox = IntBox(window)
blueIntBox.setEditable(False)
Label(window, "Alpha: ")
alphaIntBox = IntBox(window)
def cp_fast_cb(color):
b.setBackgroundColor(color)
b.setTextColor(color.contrastingColor())
red = int(color.r * 255.0)
redIntBox.setValue(red)
green = int(color.g * 255.0)
greenIntBox.setValue(green)
blue = int(color.b * 255.0)
blueIntBox.setValue(blue)
alpha = int(color.w * 255.0)
alphaIntBox.setValue(alpha)
cp.setCallback(cp_fast_cb)
self.performLayout()
try:
import numpy as np
self.shader = GLShader()
self.shader.init(
# An identifying name
"a_simple_shader",
# Vertex shader
"""#version 330
uniform mat4 modelViewProj;
in vec3 position;
void main() {
gl_Position = modelViewProj * vec4(position, 1.0);
}""",
"""#version 330
out vec4 color;
uniform float intensity;
void main() {
color = vec4(vec3(intensity), 1.0);
}""")
# Draw 2 triangles
indices = np.array([[0, 2], [1, 3], [2, 0]], dtype=np.int32)
positions = np.array(
[[-1, 1, 1, -1], [-1, -1, 1, 1], [0, 0, 0, 0]],
dtype=np.float32)
self.shader.bind()
self.shader.uploadIndices(indices)
self.shader.uploadAttrib("position", positions)
self.shader.setUniform("intensity", 0.5)
except ImportError:
self.shader = None
pass
def __init__(self):
super(TestApp, self).__init__(Vector2i(1024, 768), "NanoGUI Test")
window = Window(self, "Button demo")
window.setPosition(Vector2i(15, 15))
window.setLayout(GroupLayout())
Label(window, "Push buttons", "sans-bold")
b = Button(window, "Plain button")
def cb():
print("pushed!")
b.setCallback(cb)
b = Button(window, "Styled", entypo.ICON_ROCKET)
b.setBackgroundColor(Color(0, 0, 1.0, 0.1))
b.setCallback(cb)
Label(window, "Toggle buttons", "sans-bold")
b = Button(window, "Toggle me")
b.setFlags(Button.Flags.ToggleButton)
def change_cb(state):
print("Toggle button state: %s" % str(state))
b.setChangeCallback(change_cb)
Label(window, "Radio buttons", "sans-bold")
b = Button(window, "Radio button 1")
b.setFlags(Button.Flags.RadioButton)
b = Button(window, "Radio button 2")
b.setFlags(Button.Flags.RadioButton)
Label(window, "A tool palette", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
ToolButton(tools, entypo.ICON_CLOUD)
ToolButton(tools, entypo.ICON_FF)
ToolButton(tools, entypo.ICON_COMPASS)
ToolButton(tools, entypo.ICON_INSTALL)
Label(window, "Popup buttons", "sans-bold")
popupBtn = PopupButton(window, "Popup", entypo.ICON_EXPORT)
popup = popupBtn.popup()
popup.setLayout(GroupLayout())
Label(popup, "Arbitrary widgets can be placed here")
CheckBox(popup, "A check box")
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popup = popupBtn.popup()
popup.setLayout(GroupLayout())
CheckBox(popup, "Another check box")
window = Window(self, "Basic widgets")
window.setPosition(Vector2i(200, 15))
window.setLayout(GroupLayout())
Label(window, "Message dialog", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
def cb2(result):
print("Dialog result: %i" % result)
b = Button(tools, "Info")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Information, "Title",
"This is an information message")
dlg.setCallback(cb2)
b.setCallback(cb)
b = Button(tools, "Warn")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a warning message")
dlg.setCallback(cb2)
b.setCallback(cb)
b = Button(tools, "Ask")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a question message", "Yes", "No",
True)
dlg.setCallback(cb2)
b.setCallback(cb)
import os
import sys
os.chdir(sys.path[0])
try:
icons = nanogui.loadImageDirectory(self.nvgContext(), "icons")
except:
icons = nanogui.loadImageDirectory(self.nvgContext(), "../icons")
Label(window, "Image panel & scroll panel", "sans-bold")
imagePanelBtn = PopupButton(window, "Image Panel")
imagePanelBtn.setIcon(entypo.ICON_FOLDER)
popup = imagePanelBtn.popup()
vscroll = VScrollPanel(popup)
imgPanel = ImagePanel(vscroll)
imgPanel.setImages(icons)
popup.setFixedSize(Vector2i(245, 150))
img_window = Window(self, "Selected image")
img_window.setPosition(Vector2i(675, 15))
img_window.setLayout(GroupLayout())
img = ImageView(img_window)
img.setPolicy(ImageView.SizePolicy.Expand)
img.setFixedSize(Vector2i(300, 300))
img.setImage(icons[0][0])
def cb(i):
print("Selected item %i" % i)
img.setImage(icons[i][0])
imgPanel.setCallback(cb)
def cb(s):
if s:
img.setPolicy(ImageView.SizePolicy.Expand)
else:
img.setPolicy(ImageView.SizePolicy.Fixed)
img_cb = CheckBox(img_window, "Expand", cb)
img_cb.setChecked(True)
Label(window, "File dialog", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
b = Button(tools, "Open")
valid = [("png", "Portable Network Graphics"), ("txt", "Text file")]
def cb():
result = nanogui.file_dialog(valid, False)
print("File dialog result = %s" % result)
b.setCallback(cb)
b = Button(tools, "Save")
def cb():
result = nanogui.file_dialog(valid, True)
print("File dialog result = %s" % result)
b.setCallback(cb)
Label(window, "Combo box", "sans-bold")
ComboBox(window,
["Combo box item 1", "Combo box item 2", "Combo box item 3"])
Label(window, "Check box", "sans-bold")
def cb(state):
print("Check box 1 state: %s" % state)
chb = CheckBox(window, "Flag 1", cb)
chb.setChecked(True)
def cb(state):
print("Check box 2 state: %s" % state)
CheckBox(window, "Flag 2", cb)
Label(window, "Progress bar", "sans-bold")
self.progress = ProgressBar(window)
Label(window, "Slider and text box", "sans-bold")
panel = Widget(window)
panel.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 20))
slider = Slider(panel)
slider.setValue(0.5)
slider.setFixedWidth(80)
textBox = TextBox(panel)
textBox.setFixedSize(Vector2i(60, 25))
textBox.setValue("50")
textBox.setUnits("%")
textBox.setFontSize(20)
textBox.setAlignment(TextBox.Alignment.Right)
def cb(value):
textBox.setValue("%i" % int(value * 100))
slider.setCallback(cb)
def cb(value):
print("Final slider value: %i" % int(value * 100))
slider.setFinalCallback(cb)
window = Window(self, "Misc. widgets")
window.setPosition(Vector2i(425, 15))
window.setLayout(GroupLayout())
Label(window, "Color wheel", "sans-bold")
ColorWheel(window)
Label(window, "Function graph", "sans-bold")
graph = Graph(window, "Some function")
graph.setHeader("E = 2.35e-3")
graph.setFooter("Iteration 89")
values = VectorXf(100)
for i in range(100):
values[i] = 0.5 * (0.5 * math.sin(i / 10.0) +
0.5 * math.cos(i / 23.0) + 1)
graph.setValues(values)
window = Window(self, "Grid of small widgets")
window.setPosition(Vector2i(425, 288))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.setColAlignment([Alignment.Maximum, Alignment.Fill])
layout.setSpacing(0, 10)
window.setLayout(layout)
Label(window, "Floating point :", "sans-bold")
floatBox = TextBox(window)
floatBox.setEditable(True)
floatBox.setFixedSize(Vector2i(100, 20))
floatBox.setValue("50")
floatBox.setUnits("GiB")
floatBox.setDefaultValue("0.0")
floatBox.setFontSize(16)
floatBox.setFormat("[-]?[0-9]*\\.?[0-9]+")
Label(window, "Positive integer :", "sans-bold")
intBox = TextBox(window)
intBox.setEditable(True)
intBox.setFixedSize(Vector2i(100, 20))
intBox.setValue("50")
intBox.setUnits("Mhz")
intBox.setDefaultValue("0.0")
intBox.setFontSize(16)
intBox.setFormat("[1-9][0-9]*")
Label(window, "Checkbox :", "sans-bold")
cb = CheckBox(window, "Check me")
cb.setFontSize(16)
cb.setChecked(True)
Label(window, "Combo box :", "sans-bold")
cobo = ComboBox(window, ["Item 1", "Item 2", "Item 3"])
cobo.setFontSize(16)
cobo.setFixedSize(Vector2i(100, 20))
Label(window, "Color button :", "sans-bold")
popupBtn = PopupButton(window, "", 0)
popupBtn.setBackgroundColor(Color(1, 0.47, 0, 1))
popupBtn.setFontSize(16)
popupBtn.setFixedSize(Vector2i(100, 20))
popup = popupBtn.popup()
popup.setLayout(GroupLayout())
colorwheel = ColorWheel(popup)
colorwheel.setColor(popupBtn.backgroundColor())
colorBtn = Button(popup, "Pick")
colorBtn.setFixedSize(Vector2i(100, 25))
c = colorwheel.color()
colorBtn.setBackgroundColor(c)
def cb(value):
colorBtn.setBackgroundColor(value)
colorwheel.setCallback(cb)
def cb(pushed):
if (pushed):
popupBtn.setBackgroundColor(colorBtn.backgroundColor())
popupBtn.setPushed(False)
colorBtn.setChangeCallback(cb)
self.performLayout()
def __init__(self):
super(TestApp, self).__init__((1024, 768), "NanoGUI Test")
window = Window(self, "Button demo")
window.setPosition((15, 15))
window.setLayout(GroupLayout())
Label(window, "Push buttons", "sans-bold")
b = Button(window, "Plain button")
def cb():
print("pushed!")
b.setCallback(cb)
b = Button(window, "Styled", entypo.ICON_ROCKET)
b.setBackgroundColor(Color(0, 0, 1.0, 0.1))
b.setCallback(cb)
Label(window, "Toggle buttons", "sans-bold")
b = Button(window, "Toggle me")
b.setFlags(Button.Flags.ToggleButton)
def change_cb(state):
print("Toggle button state: %s" % str(state))
b.setChangeCallback(change_cb)
Label(window, "Radio buttons", "sans-bold")
b = Button(window, "Radio button 1")
b.setFlags(Button.Flags.RadioButton)
b = Button(window, "Radio button 2")
b.setFlags(Button.Flags.RadioButton)
Label(window, "A tool palette", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
ToolButton(tools, entypo.ICON_CLOUD)
ToolButton(tools, entypo.ICON_FF)
ToolButton(tools, entypo.ICON_COMPASS)
ToolButton(tools, entypo.ICON_INSTALL)
Label(window, "Popup buttons", "sans-bold")
popupBtn = PopupButton(window, "Popup", entypo.ICON_EXPORT)
popup = popupBtn.popup()
popup.setLayout(GroupLayout())
Label(popup, "Arbitrary widgets can be placed here")
CheckBox(popup, "A check box")
popupBtn = PopupButton(popup, "Recursive popup", entypo.ICON_FLASH)
popup = popupBtn.popup()
popup.setLayout(GroupLayout())
CheckBox(popup, "Another check box")
window = Window(self, "Basic widgets")
window.setPosition((200, 15))
window.setLayout(GroupLayout())
Label(window, "Message dialog", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
def cb2(result):
print("Dialog result: %i" % result)
b = Button(tools, "Info")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Information, "Title",
"This is an information message")
dlg.setCallback(cb2)
b.setCallback(cb)
b = Button(tools, "Warn")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a warning message")
dlg.setCallback(cb2)
b.setCallback(cb)
b = Button(tools, "Ask")
def cb():
dlg = MessageDialog(self, MessageDialog.Type.Warning, "Title",
"This is a question message", "Yes", "No",
True)
dlg.setCallback(cb2)
b.setCallback(cb)
import os
import sys
os.chdir(sys.path[0])
try:
icons = nanogui.loadImageDirectory(self.nvgContext(), "icons")
except:
try:
icons = nanogui.loadImageDirectory(self.nvgContext(),
"../icons")
except:
icons = nanogui.loadImageDirectory(self.nvgContext(),
"../resources/icons")
Label(window, "Image panel & scroll panel", "sans-bold")
imagePanelBtn = PopupButton(window, "Image Panel")
imagePanelBtn.setIcon(entypo.ICON_FOLDER)
popup = imagePanelBtn.popup()
vscroll = VScrollPanel(popup)
imgPanel = ImagePanel(vscroll)
imgPanel.setImages(icons)
popup.setFixedSize((245, 150))
img_window = Window(self, "Selected image")
img_window.setPosition((710, 15))
img_window.setLayout(GroupLayout())
imgView = ImageView(img_window, icons[0][0])
def cb(i):
print("Selected item %i" % i)
imgView.bindImage(icons[i][0])
imgPanel.setCallback(cb)
imgView.setGridThreshold(3)
Label(window, "File dialog", "sans-bold")
tools = Widget(window)
tools.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 6))
b = Button(tools, "Open")
valid = [("png", "Portable Network Graphics"), ("txt", "Text file")]
def cb():
result = nanogui.file_dialog(valid, False)
print("File dialog result = %s" % result)
b.setCallback(cb)
b = Button(tools, "Save")
def cb():
result = nanogui.file_dialog(valid, True)
print("File dialog result = %s" % result)
b.setCallback(cb)
Label(window, "Combo box", "sans-bold")
ComboBox(window,
["Combo box item 1", "Combo box item 2", "Combo box item 3"])
Label(window, "Check box", "sans-bold")
def cb(state):
print("Check box 1 state: %s" % state)
chb = CheckBox(window, "Flag 1", cb)
chb.setChecked(True)
def cb(state):
print("Check box 2 state: %s" % state)
CheckBox(window, "Flag 2", cb)
Label(window, "Progress bar", "sans-bold")
self.progress = ProgressBar(window)
Label(window, "Slider and text box", "sans-bold")
panel = Widget(window)
panel.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 20))
slider = Slider(panel)
slider.setValue(0.5)
slider.setFixedWidth(80)
textBox = TextBox(panel)
textBox.setFixedSize((60, 25))
textBox.setValue("50")
textBox.setUnits("%")
textBox.setFontSize(20)
textBox.setAlignment(TextBox.Alignment.Right)
def cb(value):
textBox.setValue("%i" % int(value * 100))
slider.setCallback(cb)
def cb(value):
print("Final slider value: %i" % int(value * 100))
slider.setFinalCallback(cb)
window = Window(self, "Misc. widgets")
window.setPosition((425, 15))
window.setLayout(GroupLayout())
tabWidget = TabWidget(window)
layer = tabWidget.createTab("Color Wheel")
layer.setLayout(GroupLayout())
Label(layer, "Color wheel widget", "sans-bold")
ColorWheel(layer)
layer = tabWidget.createTab("Function Graph")
layer.setLayout(GroupLayout())
Label(layer, "Function graph widget", "sans-bold")
graph = Graph(layer, "Some function")
graph.setHeader("E = 2.35e-3")
graph.setFooter("Iteration 89")
values = [
0.5 * (0.5 * math.sin(i / 10.0) + 0.5 * math.cos(i / 23.0) + 1)
for i in range(100)
]
graph.setValues(values)
tabWidget.setActiveTab(0)
window = Window(self, "Grid of small widgets")
window.setPosition((425, 300))
layout = GridLayout(Orientation.Horizontal, 2, Alignment.Middle, 15, 5)
layout.setColAlignment([Alignment.Maximum, Alignment.Fill])
layout.setSpacing(0, 10)
window.setLayout(layout)
Label(window, "Floating point :", "sans-bold")
floatBox = TextBox(window)
floatBox.setEditable(True)
floatBox.setFixedSize((100, 20))
floatBox.setValue("50")
floatBox.setUnits("GiB")
floatBox.setDefaultValue("0.0")
floatBox.setFontSize(16)
floatBox.setFormat("[-]?[0-9]*\\.?[0-9]+")
Label(window, "Positive integer :", "sans-bold")
intBox = IntBox(window)
intBox.setEditable(True)
intBox.setFixedSize((100, 20))
intBox.setValue(50)
intBox.setUnits("Mhz")
intBox.setDefaultValue("0")
intBox.setFontSize(16)
intBox.setFormat("[1-9][0-9]*")
intBox.setSpinnable(True)
intBox.setMinValue(1)
intBox.setValueIncrement(2)
Label(window, "Checkbox :", "sans-bold")
cb = CheckBox(window, "Check me")
cb.setFontSize(16)
cb.setChecked(True)
Label(window, "Combo box :", "sans-bold")
cobo = ComboBox(window, ["Item 1", "Item 2", "Item 3"])
cobo.setFontSize(16)
cobo.setFixedSize((100, 20))
Label(window, "Color button :", "sans-bold")
popupBtn = PopupButton(window, "", 0)
popupBtn.setBackgroundColor(Color(1, 0.47, 0, 1))
popupBtn.setFontSize(16)
popupBtn.setFixedSize((100, 20))
popup = popupBtn.popup()
popup.setLayout(GroupLayout())
colorwheel = ColorWheel(popup)
colorwheel.setColor(popupBtn.backgroundColor())
colorBtn = Button(popup, "Pick")
colorBtn.setFixedSize((100, 25))
c = colorwheel.color()
colorBtn.setBackgroundColor(c)
def cb(value):
colorBtn.setBackgroundColor(value)
colorwheel.setCallback(cb)
def cb(pushed):
if (pushed):
popupBtn.setBackgroundColor(colorBtn.backgroundColor())
popupBtn.setPushed(False)
colorBtn.setChangeCallback(cb)
self.performLayout()
try:
import numpy as np
self.shader = GLShader()
self.shader.init(
# An identifying name
"a_simple_shader",
# Vertex shader
"""#version 330
uniform mat4 modelViewProj;
in vec3 position;
void main() {
gl_Position = modelViewProj * vec4(position, 1.0);
}""",
"""#version 330
out vec4 color;
uniform float intensity;
void main() {
color = vec4(vec3(intensity), 1.0);
}""")
# Draw 2 triangles
indices = np.array([[0, 2], [1, 3], [2, 0]], dtype=np.int32)
positions = np.array(
[[-1, 1, 1, -1], [-1, -1, 1, 1], [0, 0, 0, 0]],
dtype=np.float32)
self.shader.bind()
self.shader.uploadIndices(indices)
self.shader.uploadAttrib("position", positions)
self.shader.setUniform("intensity", 0.5)
except ImportError:
self.shader = None
pass
def __init__(self, parent, engine):
super(PlaybackWindow, self).__init__(parent, 'Playback')
self.setPosition((15, 330))
self.setLayout(GroupLayout())
self.setFixedSize((400, 400))
self.engine = engine
Label(self, 'Location', 'sans-bold')
panel = Widget(self)
panel.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Middle, 0, 0))
self.frametb = TextBox(panel)
self.frametb.setFixedSize((100, 25))
self.frametb.setValue('0')
self.frametb.setFontSize(14)
self.frametb.setAlignment(TextBox.Alignment.Right)
self.frametb.setEditable(True)
label = Label(panel, ' ', 'sans-bold')
label.setFixedSize((15, 15))
label = Label(panel, '/', 'sans-bold')
label.setFixedSize((20, 15))
self.total_framestb = TextBox(panel)
self.total_framestb.setFixedSize((100, 25))
self.total_framestb.setValue('1000')
self.total_framestb.setFontSize(14)
self.total_framestb.setAlignment(TextBox.Alignment.Right)
self.total_framestb.setEditable(True)
Label(self, 'Controls', 'sans-bold')
panel = Widget(self)
panel.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Minimum, 0, 0))
self.fbw_button = ToolButton(panel,
entypo.ICON_CONTROLLER_FAST_BACKWARD)
self.fbw_button.setFlags(Button.Flags.NormalButton)
self.fbw_button.setCallback(lambda: self._fbw_cb())
self.stop_button = ToolButton(panel, entypo.ICON_CONTROLLER_STOP)
self.stop_button.setFlags(Button.Flags.NormalButton)
self.stop_button.setCallback(lambda: self._stop_cb())
self.play_button = ToolButton(panel, entypo.ICON_CONTROLLER_PLAY)
self.play_button.setFlags(Button.Flags.NormalButton)
self.play_button.setCallback(lambda: self._play_cb())
self.ffw_button = ToolButton(panel,
entypo.ICON_CONTROLLER_FAST_FORWARD)
self.ffw_button.setFlags(Button.Flags.NormalButton)
self.ffw_button.setCallback(lambda: self._ffw_cb())
# Label(self, 'View Params', 'sans-bold')
Label(self, 'Gamma', 'sans-bold')
# panel = Widget(self)
sub_panel = Widget(self)
sub_panel.setLayout(
BoxLayout(Orientation.Horizontal, Alignment.Minimum, 0, 0))
self.gslider = Slider(sub_panel)
self.gslider.setFixedSize((180, 20))
self.gslider.setValue((1.0 / 6.0) * 2.0)
self.gtb = TextBox(sub_panel)
self.gtb.setFixedSize((100, 25))
self.gtb.setValue('2.0')
def cb(value):
# print (value)
self.gtb.setValue('{:.2f}'.format(value * 6.0))
self.engine.set_gamma(value * 6.0)
self.gslider.setCallback(cb)