// Copyright (c) 2024 - 2025 kio@little-bat.de
// BSD-2-Clause license
// https://opensource.org/licenses/BSD-2-Clause

#pragma once
#include "ColorMap.h"
#include "Pixmap.h"
#include "ScanlineRenderer.h"
#include "VideoPlane.h"

namespace kilipili::Video
{

/*
	The HoldAndModifyVideoPlane is an 8 bit indexed color FrameBuffer
	which uses part of it's colormap for relative color offset codes.
	This is only a useful mode if sizeof(Color) != 1.
	RGB images can be encoded for this color mode with desktop_tools/rsrc_writer.
*/
class HamImageVideoPlane final : public VideoPlane
{
public:
	using Pixmap   = Graphics::Pixmap<Graphics::colormode_i8>;
	using Color	   = Graphics::Color;
	using ColorMap = Graphics::ColorMap<Graphics::colordepth_8bpp>;

	HamImageVideoPlane(const Pixmap*, const ColorMap*, uint16 first_rel_code);

	void setupNextImage(int row_offset, uint16 first_rel_code);

	RCPtr<const Pixmap>		 pixmap;
	RCPtr<const ColorMap>	 colormap;
	HamImageScanlineRenderer scanline_renderer;
	int						 row_offset;
	const uint8*			 pixels; // next position

private:
	static void do_render(VideoPlane*, int row, int width, uint32* fbu) noexcept;
	static void do_vblank(VideoPlane*) noexcept;
};


} // namespace kilipili::Video


/*



































*/