// // lcd.h // // mt32-pi - A baremetal MIDI synthesizer for Raspberry Pi // Copyright (C) 2020-2023 Dale Whinham // // This file is part of mt32-pi. // // mt32-pi 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. // // mt32-pi 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 // mt32-pi. If not, see . // #ifndef _lcd_h #define _lcd_h #include #include "images.h" class CLCD { public: enum class TType { Character, Graphical, }; CLCD(u8 nWidth, u8 nHeight) : m_bBacklightEnabled(true), m_nWidth(nWidth), m_nHeight(nHeight) { } virtual ~CLCD() = default; virtual bool Initialize() = 0; virtual TType GetType() const = 0; u8 Width() const { return m_nWidth; } u8 Height() const { return m_nHeight; } // Character functions (available when type is 'Character' or 'Graphical') virtual void Clear(bool bImmediate = true) {}; virtual void Print(const char* pText, u8 nCursorX = 0, u8 nCursorY = 0, bool bClearLine = false, bool bImmediate = true) {}; // Graphics functions (available when type is 'Graphical') virtual void SetPixel(u8 nX, u8 nY) {}; virtual void ClearPixel(u8 nX, u8 nY) {}; virtual void DrawFilledRect(u8 nX1, u8 nY1, u8 nX2, u8 nY2, bool bImmediate = false) {}; virtual void DrawChar(char chChar, u8 nCursorX, u8 nCursorY, bool bInverted = false, bool bDoubleWidth = false) {}; virtual void DrawImage(TImage Image, bool bImmediate = false) {}; virtual void Flip() {}; bool GetBacklightState() const { return m_bBacklightEnabled; } virtual void SetBacklightState(bool bEnabled) {}; protected: bool m_bBacklightEnabled; u8 m_nWidth; u8 m_nHeight; }; #endif