master/examples_2app_2fractal_2src_2FractalView_8h-example.html

/*

 * AUI Framework - Declarative UI toolkit for modern C++20

 * Copyright (C) 2020-2025 Alex2772 and Contributors

 *

 * SPDX-License-Identifier: MPL-2.0

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 */


#pragma once


#include <AUI/View/AView.h>

#include <AUI/GL/Program.h>

#include <AUI/GL/Texture2D.h>


class FractalView : public AView {

private:

    gl::Program mShader;

    _<gl::Texture2D> mTexture;

    glm::dmat4 mTransform;


    float mAspectRatio;


    void handleMatrixUpdated();


public:

    FractalView();

    void render(ARenderContext context) override;


    void reset();


    void setIterations(unsigned it);


    void onKeyDown(AInput::Key key) override;


    void onKeyRepeat(AInput::Key key) override;


    void onScroll(const AScrollEvent& event) override;


    void setSize(glm::ivec2 size) override;


    gl::Program& getShader() { return mShader; }


    const _<gl::Texture2D>& getTexture() const { return mTexture; }


    glm::dvec2 getPlotPosition() const;

    double getPlotScale() const;


    void setPlotPositionAndScale(glm::dvec2 position, double scale);


signals:


    emits<glm::dvec2, double> centerPosChanged;

};

AView
Base class of all UI objects.
Definition AView.h:78

AView::render
virtual void render(ARenderContext ctx)
Draws this AView. Noone should call this function except rendering routine.

AView::onScroll
virtual void onScroll(const AScrollEvent &event)

_
An std::weak_ptr with AUI extensions.
Definition SharedPtrTypes.h:179

gl::Program
Definition Program.h:31

emits
ASignal< Args... > emits
A signal declaration.
Definition ASignal.h:572

ARenderContext
Render context passed to AView::render.
Definition ARenderContext.h:43

AScrollEvent
Pointing method scroll event.
Definition AScrollEvent.h:20