mirror of
https://github.com/Pixinn/Rgb2Hires.git
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81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
#ifndef __HIRES_H__
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#define __HIRES_H__
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#include <cstdint>
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#include <array>
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#include <vector>
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#include <string>
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#include "Common.h"
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namespace RgbToHires {
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using BlockPixel = std::array<Magick::PixelPacket, 7u>;
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class BlockHr
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{
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public:
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/// \brief Default constructor: all black
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BlockHr();
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/// \brief Construction from 7 pixels
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BlockHr(const BlockPixel& );
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/// \brief returns the position of the first element
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inline std::array<uint8_t, 2>::const_iterator begin() const {
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return _data.begin();
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}
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/// \brief returns the position after the last element
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inline std::array<uint8_t, 2>::const_iterator end() const {
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return _data.end();
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}
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private:
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/// \brief color group as defined in Apple's documentation
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enum eColorGroup {
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GROUP_1,
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GROUP_2
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};
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/// \brief Returns the color group of these two 3.5 pixel blocks
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std::pair<eColorGroup, eColorGroup> getGroup(const BlockPixel&) const;
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/// \brief Returns the bit pait corresponding to the given color
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uint8_t getDibit(const Magick::Color&) const;
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std::array<uint8_t, 2> _data;
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};
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static constexpr unsigned NB_BLOCK_PER_LINES = 20u;
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static constexpr unsigned NB_LINES_PER_SCREEN = 192u;
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using LineHr = std::vector<BlockHr>;
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using Blob = std::array<LineHr, NB_LINES_PER_SCREEN>;
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class HiRes
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{
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public:
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static constexpr unsigned FRAME_SIZE = 192 * 40 + 512; ///< Frame size in byte
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HiRes(const ImageQuantized&);
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~HiRes() = default;
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/// \brief Returns the binary hires picture
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std::unique_ptr <std::array<uint8_t, FRAME_SIZE>> getBlob() const;
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/// \brief Returns asm code corresponding to the image in memory (CA65 format)
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std::string getAsm() const;
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private:
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Blob _blob; ///< A frame ordered buffer of hires data
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static constexpr std::array<const uint16_t, 192 / 8> _lineAdresses = {
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0x2000, 0x2080, 0x2100, 0x2180, 0x2200, 0x2280, 0x2300, 0x2380,
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0x2028, 0x20a8, 0x2128, 0x21a8, 0x2228, 0x22a8, 0x2328, 0x23a8,
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0x2050, 0x20d0, 0x2150, 0x21d0, 0x2250, 0x22d0, 0x2350, 0x23d0
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};
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static constexpr std::array<const uint16_t, 8> _lineOffsets = {
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0x0, 0x400, 0x800, 0xc00, 0x1000, 0x1400, 0x1800, 0x1c00
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};
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std::map<const uint16_t, const LineHr*> _hrOrderedLines; ///< map<adress,line's data>
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};
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}
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#endif |