Views.h

/*
 * Gamedev Framework (gf)
 * Copyright (C) 2016-2021 Julien Bernard
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */
#ifndef GF_VIEWS_H
#define GF_VIEWS_H

#include "GraphicsApi.h"
#include "View.h"

namespace gf {
#ifndef DOXYGEN_SHOULD_SKIP_THIS
inline namespace v1 {
#endif

  class GF_GRAPHICS_API StretchView : public AdaptativeView {
  public:
    StretchView()
    : AdaptativeView()
    {
    }

    explicit StretchView(const RectF& rect)
    : AdaptativeView(rect)
    {
    }

    StretchView(Vector2f center, Vector2f size)
    : AdaptativeView(center, size)
    {
    }

    void onFramebufferSizeChange(Vector2i framebufferSize) override;
  };

  class GF_GRAPHICS_API FitView : public AdaptativeView {
  public:
    FitView()
    : AdaptativeView()
    , m_localFramebufferSize(0, 0)
    , m_localViewport(gf::RectF::fromPositionSize({ 0.0f, 0.0f }, { 1.0f, 1.0f }))
    {
    }

    explicit FitView(const RectF& rect)
    : AdaptativeView(rect)
    , m_localFramebufferSize(0, 0)
    , m_localViewport(gf::RectF::fromPositionSize({ 0.0f, 0.0f }, { 1.0f, 1.0f }))
    {
    }

    FitView(Vector2f center, Vector2f size)
    : AdaptativeView(center, size)
    , m_localFramebufferSize(0, 0)
    , m_localViewport(gf::RectF::fromPositionSize({ 0.0f, 0.0f }, { 1.0f, 1.0f }))
    {
    }

    void onFramebufferSizeChange(Vector2i framebufferSize) override;

  protected:
    void onSizeChange(Vector2f size) override;
    void onViewportChange(const RectF& viewport) override;

    void updateView();

  private:
    Vector2i m_localFramebufferSize;
    RectF m_localViewport;
  };

  class GF_GRAPHICS_API FillView : public AdaptativeView {
  public:
    FillView()
    : AdaptativeView()
    , m_localSize(1000.0f, 1000.0f)
    , m_localFramebufferSize(0, 0)
    {
    }

    explicit FillView(const RectF& rect)
    : AdaptativeView(rect)
    , m_localSize(rect.getSize())
    , m_localFramebufferSize(0, 0)
    {
    }

    FillView(Vector2f center, Vector2f size)
    : AdaptativeView(center, size)
    , m_localSize(size)
    , m_localFramebufferSize(0, 0)
    {
    }

    void onFramebufferSizeChange(Vector2i framebufferSize) override;

  protected:
    void onSizeChange(Vector2f size) override;
    void onViewportChange(const RectF& viewport) override;

    void updateView();

  private:
    Vector2f m_localSize;
    Vector2i m_localFramebufferSize;
  };

  class GF_GRAPHICS_API ExtendView : public AdaptativeView {
  public:
    ExtendView()
    : AdaptativeView()
    , m_localSize(1000.0f, 1000.0f)
    , m_localFramebufferSize(0, 0)
    {
    }

    explicit ExtendView(const RectF& rect)
    : AdaptativeView(rect)
    , m_localSize(rect.getSize())
    , m_localFramebufferSize(0, 0)
    {
    }

    ExtendView(Vector2f center, Vector2f size)
    : AdaptativeView(center, size)
    , m_localSize(size)
    , m_localFramebufferSize(0, 0)
    {
    }

    void onFramebufferSizeChange(Vector2i framebufferSize) override;

  protected:
    void onSizeChange(Vector2f size) override;
    void onViewportChange(const RectF& viewport) override;

    void updateView();

  private:
    Vector2f m_localSize;
    Vector2i m_localFramebufferSize;
  };


  class GF_GRAPHICS_API LockedView : public AdaptativeView {
  public:
    LockedView()
    : AdaptativeView()
    , m_localSize(0.0f, 0.0f)
    , m_localFramebufferSize(0, 0)
    , m_localViewport(gf::RectF::fromPositionSize({ 0.0f, 0.0f }, { 1.0f, 1.0f }))
    {
    }

    explicit LockedView(const RectF& rect)
    : AdaptativeView(rect)
    , m_localSize(rect.getSize())
    , m_localViewport(gf::RectF::fromPositionSize({ 0.0f, 0.0f }, { 1.0f, 1.0f }))
    {
    }

    LockedView(Vector2f center, Vector2f size)
    : AdaptativeView(center, size)
    , m_localSize(size)
    , m_localViewport(gf::RectF::fromPositionSize({ 0.0f, 0.0f }, { 1.0f, 1.0f }))
    {
    }

    void onFramebufferSizeChange(Vector2i framebufferSize) override;

  protected:
    void onSizeChange(Vector2f size) override;
    void onViewportChange(const RectF& viewport) override;

    void updateView();

  private:
    Vector2f m_localSize;
    Vector2i m_localFramebufferSize;
    RectF m_localViewport;
  };

  class GF_GRAPHICS_API ScreenView : public AdaptativeView {
  public:
    ScreenView()
    : AdaptativeView()
    , m_localFramebufferSize(0, 0)
    {
    }

    void onFramebufferSizeChange(Vector2i framebufferSize) override;
    void onViewportChange(const RectF& viewport) override;

    void updateView();

  private:
    Vector2i m_localFramebufferSize;
  };

#ifndef DOXYGEN_SHOULD_SKIP_THIS
}
#endif
}

#endif // GF_VIEWS_H