Program Listing for File glcanvas.h

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/*
    NanoGUI was developed by Wenzel Jakob <wenzel.jakob@epfl.ch>.
    The widget drawing code is based on the NanoVG demo application
    by Mikko Mononen.

    All rights reserved. Use of this source code is governed by a
    BSD-style license that can be found in the LICENSE.txt file.
*/
#pragma once

#include <iostream>

#include <nanogui/widget.h>
#include <nanogui/opengl.h>
#include <nanogui/glutil.h>

NAMESPACE_BEGIN(nanogui)


class NANOGUI_EXPORT GLCanvas : public Widget {
public:
    GLCanvas(Widget *parent);

    const Color &backgroundColor() const { return mBackgroundColor; }

    void setBackgroundColor(const Color &backgroundColor) { mBackgroundColor = backgroundColor; }

    void setDrawBorder(const bool bDrawBorder) { mDrawBorder = bDrawBorder; }

    const bool &drawBorder() const { return mDrawBorder; }

    virtual void draw(NVGcontext *ctx) override;

    virtual void drawGL() {}

    virtual void save(Serializer &s) const override;

    virtual bool load(Serializer &s) override;

protected:
    void drawWidgetBorder(NVGcontext* ctx) const;

protected:
    Color mBackgroundColor;

    bool mDrawBorder;

public:
    EIGEN_MAKE_ALIGNED_OPERATOR_NEW
};

NAMESPACE_END(nanogui)