88 lines
No EOL
2.1 KiB
C++
88 lines
No EOL
2.1 KiB
C++
#pragma once
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#include <cstdint>
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#include <string>
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#include <fstream>
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#include <array>
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#include <functional>
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#include <font-lib/psf.h>
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#include "pixelarray.h"
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const char PADDING_ZEROES[3] = {0, 0, 0};
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#pragma pack(push, 1)
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struct BitmapFileHeader {
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char signature[2] = {'B', 'M'};
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uint32_t fileSize = 0;
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uint16_t reserved1 = 0;
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uint16_t reserved2 = 0;
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uint32_t imageDataOffset = 54;
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};
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#pragma pack(pop)
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#pragma pack(push, 1)
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struct BITMAPINFOHEADER {
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uint32_t HeaderSize = 40;
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uint32_t BitmapWidth = 0;
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uint32_t BitmapHeight = 0;
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uint16_t ColorPlanes = 1;
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uint16_t BitsPerPixel = 24;
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uint32_t CompressionMethod = 0;
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uint32_t ImageSize = 0;
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int32_t HorizontalPixelPerMetre = 0;
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int32_t VerticalPixelPerMetre = 0;
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uint32_t NumberOfColors = 0;
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uint32_t NumberOfImportantColors = 0;
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};
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#pragma pack(pop)
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class BMPImage {
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BitmapFileHeader fileHeader;
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BITMAPINFOHEADER infoHeader;
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PixelArray pixelArray;
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public:
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BMPImage(const BitmapFileHeader &fileHeader, const BITMAPINFOHEADER &infoHeader, const PixelArray &pixelArray);
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BMPImage(const PixelArray &pixelArray);
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~BMPImage();
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[[nodiscard]] const uint32_t &width() const;
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[[nodiscard]] const uint32_t &height() const;
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[[nodiscard]] PixelArray pixels();
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[[nodiscard]] PixelArray pixels_copy();
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[[nodiscard]] BitmapFileHeader fileHeader_copy();
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[[nodiscard]] BITMAPINFOHEADER infoHeader_copy();
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void save(const std::string &);
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BMPImage appendRight(BMPImage &);
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BMPImage overlay(BMPImage &, uint32_t, uint32_t);
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BMPImage applyFilter(const std::function<uint8_t (std::array<int,9>&)>& filter);
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};
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BMPImage readBMPImage(const std::string &filename);
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BMPImage grayscale(BMPImage &);
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BMPImage invertColors(BMPImage &);
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BMPImage upscale2x(BMPImage &);
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BMPImage downscale2x(BMPImage &);
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BMPImage upscale1_5x(BMPImage &);
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BMPImage upscale1_5x_ver2(BMPImage &); // TODO: BAD
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BMPImage upscale2x_ver2(BMPImage &); // TODO: BAD
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BMPImage textImg(const std::u16string &, Font *font, uint8_t scale = 1, Pixel background_color = Pixel{0, 0, 0},
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Pixel font_color = Pixel{255, 255, 255}); |