Flipdot-display/src/esp32/display/frames.h

#pragma once

#include "BROSE9323.h"
#include "logic/bitmap_format.h"
#include "logic/display_controller.h"
#include "logic/page_render.h"
#include "logic/settings.h"

// Draws the screens on the flipdot display. Each method sends one complete frame.
class FlipdotFrames : public Frames
{
public:
	FlipdotFrames(BROSE9323 &display, PageResources &resources);

	// The page set with setDynamicPage(), drawn for this time. Only the changed dots are
	// sent (nothing when it looks the same), unless redraw. Moving pages are sent without
	// the refresh effect, and not faster than the Nano can receive and flip them.
	uint32_t dynamicPage(const LocalTime &time, uint32_t now, bool redraw) override;
	// "No WiFi" with the time below it
	void noWifi(int hour, int minute) override;
	// The bitmap set with setPageBitmap()
	void page() override;
	// The image set with setLiveBitmap()
	void live() override;
	// Blank, or the bitmap set with setOffBitmap()
	void off() override;

	void setDynamicPage(const DynamicPage &page);
	// How the Nano flips the dots: for the time a frame takes
	void setDrive(uint16_t flip_time, const DriveSettings &drive);
	void setPageBitmap(const uint8_t *bitmap);
	void setLiveBitmap(const uint8_t *bitmap);
	// nullptr: blank
	void setOffBitmap(const uint8_t *bitmap);

private:
	BROSE9323 &_display;
	PageResources &_resources;
	DynamicPage _dynamic;
	uint32_t _dot_us = 1000; // per changed dot: pulses x (flip time + gap)
	uint8_t _page[BITMAP_BYTES] = {};
	uint8_t _live[BITMAP_BYTES] = {};
	uint8_t _off[BITMAP_BYTES] = {}; // all zero: blank

	void _drawFullScreen(const uint8_t *bitmap);
	uint32_t _show(const uint8_t *bitmap, bool changes_only, bool instant);
};