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/* 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;
/**
* Notify the graphics manager about a resize event. This happens on
* iDevices when switching to portrait mode or landscape mode.
*/
virtual void notifyResize(const int width, const int height) = 0;
virtual Common::Point getMousePosition() = 0;
virtual bool notifyMousePosition(Common::Point &mouse) = 0;
/**
* A (subset) of the graphic manager's state. This is used when switching
* between 2D and 3D graphic managers at runtime.
*/
struct State {
int screenWidth, screenHeight;
bool aspectRatio;
bool cursorPalette;
#ifdef USE_RGB_COLOR
Graphics::PixelFormat pixelFormat;
#endif
};
/**
* Gets the current state of the graphics manager.
*/
virtual State getState() const = 0;
/**
* Sets up a basic state of the graphics manager.
*/
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
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