display_device.h

Go to the documentation of this file.

#pragma once
 
#include "pico/stdlib.h"
#include "sw/widget/canvas.h"
 

enum class DisplayCommand
{
    CLEAR_SCREEN,
    SHOW_IMAGE
};

class DisplayDevice
{
private:
    /* data */
public:
    DisplayDevice(/* args */);
    virtual ~DisplayDevice();
};
 
class rtos_DisplayDevice;
class rtos_Widget;

struct struct_WidgetDataToGateKeeper
{
    DisplayCommand command{DisplayCommand::SHOW_IMAGE};
    rtos_DisplayDevice *display = nullptr;
    rtos_Widget *widget = nullptr;
};

class GraphicDisplayDevice : public DisplayDevice
{
protected:
public:
    size_t TFT_panel_width_in_pixel;
    size_t TFT_panel_height_in_pixel;

    virtual void check_display_device_compatibility(struct_ConfigGraphicWidget framebuffer_cfg, CanvasFormat canvas_format) = 0;

    virtual void show(Canvas *canvas, const uint8_t anchor_x, const uint8_t anchor_y) = 0;

    GraphicDisplayDevice(size_t screen_width,
                         size_t screen_height);

    virtual ~GraphicDisplayDevice();
};

class TerminalConsole : public DisplayDevice
{
private:
public:
    size_t number_of_column;
    size_t number_of_line;
    size_t text_buffer_size;
    char *text_buffer = nullptr;

    TerminalConsole(size_t number_of_char_width,
                    size_t number_of_char_hieght);
    virtual ~TerminalConsole();

    virtual void show();
};