ios-graphics.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef BACKENDS_GRAPHICS_IOS_IOS_GRAPHICS_H
#define BACKENDS_GRAPHICS_IOS_IOS_GRAPHICS_H

#include "common/scummsys.h"
#include <OpenGLES/ES2/gl.h>

#include "backends/graphics/opengl/opengl-graphics.h"

class iOSCommonGraphics {
public:
    virtual ~iOSCommonGraphics() {}

    virtual void initSurface() = 0;
    virtual void deinitSurface() = 0;

    virtual void notifyResize(const int width, const int height) = 0;

    virtual Common::Point getMousePosition() = 0;
    virtual bool notifyMousePosition(Common::Point &mouse) = 0;

    struct State {
        int screenWidth, screenHeight;
        bool aspectRatio;
        bool cursorPalette;

#ifdef USE_RGB_COLOR
        Graphics::PixelFormat pixelFormat;
#endif
    };

    virtual State getState() const = 0;

    virtual bool setState(const State &state) = 0;

protected:
    int _old_touch_mode;
};

class iOSGraphicsManager :
  public OpenGL::OpenGLGraphicsManager, public iOSCommonGraphics {
public:
    iOSGraphicsManager();
    virtual ~iOSGraphicsManager();

    void initSurface() override;
    void deinitSurface() override;

    void notifyResize(const int width, const int height) override;

    virtual iOSCommonGraphics::State getState() const override;
    virtual bool setState(const iOSCommonGraphics::State &state) override;

    bool notifyMousePosition(Common::Point &mouse) override;
    Common::Point getMousePosition() override { return Common::Point(_cursorX, _cursorY); }

    float getHiDPIScreenFactor() const override;

protected:
    void setSystemMousePosition(const int x, const int y) override {}

    bool loadVideoMode(uint requestedWidth, uint requestedHeight, const Graphics::PixelFormat &format) override;
    void showOverlay(bool inGUI) override;
    void hideOverlay() override;

    void refreshScreen() override;
};

#endif