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Added NanoGUI (OSX)
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‎README.md‎

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* [Embree](https://embree.github.io) 2.7 (OSX/Win)
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* [Leonhard Gruenschloss's Sobol Generator](http://gruenschloss.org) (OSX/Linux/Win)
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* [tinyformat](https://github.com/c42f/tinyformat) 2.0.1 (OSX/Linux/Win)
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* [NanoGUI](https://github.com/wjakob/nanogui) (OSX)
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Notes:
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‎include/nanogui/LICENSE.txt‎

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Copyright (c) 2015 Wenzel Jakob <[email protected]>, All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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You are under no obligation whatsoever to provide any bug fixes, patches, or
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upgrades to the features, functionality or performance of the source code
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("Enhancements") to anyone; however, if you choose to make your Enhancements
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available either publicly, or directly to the author of this software, without
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imposing a separate written license agreement for such Enhancements, then you
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hereby grant the following license: a non-exclusive, royalty-free perpetual
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license to install, use, modify, prepare derivative works, incorporate into
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other computer software, distribute, and sublicense such enhancements or
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derivative works thereof, in binary and source code form.

‎include/nanogui/button.h‎

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/*
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nanogui/button.h -- [Normal/Toggle/Radio/Popup] Button widget
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NanoGUI was developed by Wenzel Jakob <[email protected]>.
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The widget drawing code is based on the NanoVG demo application
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by Mikko Mononen.
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE.txt file.
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*/
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#pragma once
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#include <nanogui/widget.h>
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NAMESPACE_BEGIN(nanogui)
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class NANOGUI_EXPORT Button : public Widget {
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public:
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/// Flags to specify the button behavior (can be combined with binary OR)
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enum Flags {
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NormalButton = 1,
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RadioButton = 2,
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ToggleButton = 4,
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PopupButton = 8
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};
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enum class IconPosition {
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Left,
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LeftCentered,
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RightCentered,
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Right
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};
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Button(Widget *parent, const std::string &caption = "Untitled", int icon = 0);
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const std::string &caption() const { return mCaption; }
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void setCaption(const std::string &caption) { mCaption = caption; }
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const Color &backgroundColor() const { return mBackgroundColor; }
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void setBackgroundColor(const Color &backgroundColor) { mBackgroundColor = backgroundColor; }
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const Color &textColor() const { return mTextColor; }
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void setTextColor(const Color &textColor) { mTextColor = textColor; }
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int icon() const { return mIcon; }
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void setIcon(int icon) { mIcon = icon; }
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int flags() const { return mFlags; }
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void setFlags(int buttonFlags) { mFlags = buttonFlags; }
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IconPosition iconPosition() const { return mIconPosition; }
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void setIconPosition(IconPosition iconPosition) { mIconPosition = iconPosition; }
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bool pushed() const { return mPushed; }
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void setPushed(bool pushed) { mPushed = pushed; }
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/// Set the push callback (for any type of button)
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std::function<void()> callback() const { return mCallback; }
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void setCallback(const std::function<void()> &callback) { mCallback = callback; }
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/// Set the change callback (for toggle buttons)
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std::function<void(bool)> changeCallback() const { return mChangeCallback; }
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void setChangeCallback(const std::function<void(bool)> &callback) { mChangeCallback = callback; }
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/// Set the button group (for radio buttons)
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void setButtonGroup(const std::vector<Button *> &buttonGroup) { mButtonGroup = buttonGroup; }
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const std::vector<Button *> &buttonGroup() const { return mButtonGroup; }
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virtual Vector2i preferredSize(NVGcontext *ctx) const override;
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virtual bool mouseButtonEvent(const Vector2i &p, int button, bool down, int modifiers) override;
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virtual void draw(NVGcontext *ctx) override;
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virtual void save(Serializer &s) const override;
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virtual bool load(Serializer &s) override;
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protected:
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std::string mCaption;
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int mIcon;
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IconPosition mIconPosition;
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bool mPushed;
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int mFlags;
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Color mBackgroundColor;
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Color mTextColor;
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std::function<void()> mCallback;
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std::function<void(bool)> mChangeCallback;
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std::vector<Button *> mButtonGroup;
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};
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NAMESPACE_END(nanogui)

‎include/nanogui/checkbox.h‎

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/*
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nanogui/checkbox.h -- Two-state check box widget
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NanoGUI was developed by Wenzel Jakob <[email protected]>.
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The widget drawing code is based on the NanoVG demo application
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by Mikko Mononen.
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE.txt file.
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*/
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#pragma once
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#include <nanogui/widget.h>
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NAMESPACE_BEGIN(nanogui)
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class NANOGUI_EXPORT CheckBox : public Widget {
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public:
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CheckBox(Widget *parent, const std::string &caption = "Untitled",
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const std::function<void(bool)> &callback = std::function<void(bool)>());
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const std::string &caption() const { return mCaption; }
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void setCaption(const std::string &caption) { mCaption = caption; }
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const bool &checked() const { return mChecked; }
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void setChecked(const bool &checked) { mChecked = checked; }
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const bool &pushed() const { return mPushed; }
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void setPushed(const bool &pushed) { mPushed = pushed; }
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std::function<void(bool)> callback() const { return mCallback; }
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void setCallback(const std::function<void(bool)> &callback) { mCallback = callback; }
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virtual bool mouseButtonEvent(const Vector2i &p, int button, bool down, int modifiers) override;
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virtual Vector2i preferredSize(NVGcontext *ctx) const override;
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virtual void draw(NVGcontext *ctx) override;
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virtual void save(Serializer &s) const override;
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virtual bool load(Serializer &s) override;
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protected:
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std::string mCaption;
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bool mPushed, mChecked;
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std::function<void(bool)> mCallback;
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};
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NAMESPACE_END(nanogui)

‎include/nanogui/colorpicker.h‎

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/*
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nanogui/colorpicker.h -- push button with a popup to tweak a color value
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This widget was contributed by Christian Schueller.
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NanoGUI was developed by Wenzel Jakob <[email protected]>.
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The widget drawing code is based on the NanoVG demo application
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by Mikko Mononen.
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE.txt file.
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*/
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#pragma once
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#include <nanogui/popupbutton.h>
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NAMESPACE_BEGIN(nanogui)
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class NANOGUI_EXPORT ColorPicker : public PopupButton {
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public:
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ColorPicker(Widget *parent, const Color& color = { 1.f, 0.f, 0.f, 1.f });
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/// Set the change callback
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std::function<void(const Color &)> callback() const { return mCallback; }
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void setCallback(const std::function<void(const Color &)> &callback) { mCallback = callback; }
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/// Get the current color
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Color color() const;
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/// Set the current color
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void setColor(const Color& color);
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protected:
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std::function<void(const Color &)> mCallback;
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ColorWheel *mColorWheel;
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Button *mPickButton;
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};
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NAMESPACE_END(nanogui)

‎include/nanogui/colorwheel.h‎

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/*
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nanogui/colorwheel.h -- fancy analog widget to select a color value
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This widget was contributed by Dmitriy Morozov.
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NanoGUI was developed by Wenzel Jakob <[email protected]>.
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The widget drawing code is based on the NanoVG demo application
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by Mikko Mononen.
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE.txt file.
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*/
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#pragma once
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#include <nanogui/widget.h>
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NAMESPACE_BEGIN(nanogui)
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class NANOGUI_EXPORT ColorWheel : public Widget {
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public:
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ColorWheel(Widget *parent, const Color& color = { 1.f, 0.f, 0.f, 1.f });
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/// Set the change callback
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std::function<void(const Color &)> callback() const { return mCallback; }
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void setCallback(const std::function<void(const Color &)> &callback) { mCallback = callback; }
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/// Get the current color
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Color color() const;
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/// Set the current color
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void setColor(const Color& color);
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virtual Vector2i preferredSize(NVGcontext *ctx) const override;
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virtual void draw(NVGcontext *ctx) override;
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virtual bool mouseButtonEvent(const Vector2i &p, int button, bool down, int modifiers) override;
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virtual bool mouseDragEvent(const Vector2i &p, const Vector2i &rel, int button, int modifiers) override;
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virtual void save(Serializer &s) const override;
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virtual bool load(Serializer &s) override;
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private:
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enum Region {
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None = 0,
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InnerTriangle = 1,
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OuterCircle = 2,
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Both = 3
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};
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Color hue2rgb(float h) const;
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Region adjustPosition(const Vector2i &p, Region consideredRegions = Both);
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protected:
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float mHue;
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float mWhite;
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float mBlack;
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Region mDragRegion;
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std::function<void(const Color &)> mCallback;
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};
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NAMESPACE_END(nanogui)

‎include/nanogui/combobox.h‎

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/*
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nanogui/combobox.h -- simple combo box widget based on a popup button
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NanoGUI was developed by Wenzel Jakob <[email protected]>.
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The widget drawing code is based on the NanoVG demo application
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by Mikko Mononen.
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE.txt file.
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*/
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#pragma once
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#include <nanogui/popupbutton.h>
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NAMESPACE_BEGIN(nanogui)
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class NANOGUI_EXPORT ComboBox : public PopupButton {
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public:
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/// Create an empty combo box
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ComboBox(Widget *parent);
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/// Create a new combo box with the given items
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ComboBox(Widget *parent, const std::vector<std::string> &items);
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/**
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* \brief Create a new combo box with the given items, providing both short and
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* long descriptive labels for each item
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*/
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ComboBox(Widget *parent, const std::vector<std::string> &items,
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const std::vector<std::string> &itemsShort);
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std::function<void(int)> callback() const { return mCallback; }
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void setCallback(const std::function<void(int)> &callback) { mCallback = callback; }
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int selectedIndex() const { return mSelectedIndex; }
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void setSelectedIndex(int idx);
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void setItems(const std::vector<std::string> &items, const std::vector<std::string> &itemsShort);
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void setItems(const std::vector<std::string> &items) { setItems(items, items); }
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const std::vector<std::string> &items() const { return mItems; }
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const std::vector<std::string> &itemsShort() const { return mItemsShort; }
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virtual void save(Serializer &s) const override;
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virtual bool load(Serializer &s) override;
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protected:
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std::vector<std::string> mItems, mItemsShort;
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std::function<void(int)> mCallback;
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int mSelectedIndex;
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};
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NAMESPACE_END(nanogui)

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