УМНЫЕ УКАЗАТЕЛИ

This commit is contained in:
Евгений Титаренко 2024-04-20 00:03:12 +03:00
parent 7c83d9c93e
commit fcce9d93d4
7 changed files with 240 additions and 254 deletions

View file

@ -7,7 +7,7 @@ std::wstring_convert<std::codecvt_utf8<char16_t>, char16_t> conv_utf8_utf16;
Font readPSF(const std::string &filename) {
{
PSF2Header psf2Header;
PSF2Header psf2Header{};
std::ifstream ifs(filename, std::ios_base::binary);
if (!ifs.good()) {
throw std::runtime_error("File read error");
@ -80,8 +80,4 @@ Font::Font(uint32_t glyphsCount, uint32_t glyphWidth, uint32_t glyphHeight) {
this->glyphsCount = glyphsCount;
this->glyphWidth = glyphWidth;
this->glyphHeight = glyphHeight;
}
Font::Font() {
}
}

View file

@ -6,6 +6,7 @@
#include <map>
#include <memory>
static_assert(true); //Обход clangd бага
#pragma pack(push, 1)
struct PSF1Header {
char magicNumber[2];
@ -44,8 +45,6 @@ public:
uint32_t glyphHeight;
uint32_t glyphsCount;
Font();
explicit Font(uint32_t glyphs, uint32_t glyphWidth, uint32_t glyphHeight);
};

View file

@ -1,12 +1,14 @@
#include <cmath>
#include <memory>
#include <algorithm>
#include <utility>
#include "bmpimage.h"
BMPImage::BMPImage(const BitmapFileHeader &fileHeader, const BITMAPINFOHEADER &infoHeader, const PixelArray &pixelArray)
: pixelArray(pixelArray) {
BMPImage::BMPImage(const BitmapFileHeader &fileHeader, const BITMAPINFOHEADER &infoHeader,
std::shared_ptr<PixelArray> pixelArray) {
this->fileHeader = fileHeader;
this->infoHeader = infoHeader;
this->pixelArray = std::move(pixelArray);
}
@ -26,25 +28,26 @@ void BMPImage::save(const std::string &filename) {
uint32_t byteByRow = this->infoHeader.BitmapWidth * 3;
uint8_t padding = (4 - byteByRow % 4) % 4;
for (auto i = (int) this->infoHeader.BitmapHeight - 1; i > -1; --i) {
ofs.write((char *) pixelArray(i), byteByRow);
ofs.write((char *) (*pixelArray)(i), byteByRow);
if (padding != 4) ofs.write(PADDING_ZEROES, padding); // Write padding
}
}
}
PixelArray BMPImage::pixels() {
std::shared_ptr<PixelArray> BMPImage::pixels() const {
return this->pixelArray;
}
PixelArray BMPImage::pixels_copy() {
std::shared_ptr<PixelArray> BMPImage::pixels_copy() {
// Pixel **newPixelArray;
PixelArray newPixelArray(this->infoHeader.BitmapWidth, this->infoHeader.BitmapHeight);
std::shared_ptr<PixelArray> newPixelArray = std::make_shared<PixelArray>(this->infoHeader.BitmapWidth,
this->infoHeader.BitmapHeight);
// newPixelArray = new Pixel *[this->infoHeader.BitmapHeight];
for (int i = 0; i < this->infoHeader.BitmapHeight; ++i) {
// newPixelArray[i] = new Pixel[this->infoHeader.BitmapWidth];
// std::copy(this->pixelArray(i), this->pixelArray(i) + this->infoHeader.BitmapWidth, newPixelArray(i)); // TODO
for (int j = 0; j < this->infoHeader.BitmapWidth; ++j) {
newPixelArray(i, j) = this->pixelArray(i, j);
(*newPixelArray)(i, j) = (*this->pixelArray)(i, j); // TODO: Сделать конструктор копирования в PixelArray
}
}
return newPixelArray;
@ -58,17 +61,9 @@ BITMAPINFOHEADER BMPImage::infoHeader_copy() {
return this->infoHeader;
}
BMPImage::~BMPImage() {
// delete pixelArray;
// for (int i = 0; i < this->infoHeader.BitmapHeight; ++i) {
// delete[] this->pixelArray(i);
// }
// delete[] this->pixelArray;
}
BMPImage::BMPImage(const PixelArray &pixelArray) : pixelArray(pixelArray) {
uint32_t width = pixelArray.width();
uint32_t height = pixelArray.height();
BMPImage::BMPImage(std::shared_ptr<PixelArray> pixelArray) {
uint32_t width = pixelArray->width();
uint32_t height = pixelArray->height();
BitmapFileHeader _fileHeader;
BITMAPINFOHEADER _infoHeader;
_infoHeader.BitmapWidth = width;
@ -77,65 +72,66 @@ BMPImage::BMPImage(const PixelArray &pixelArray) : pixelArray(pixelArray) {
_fileHeader.fileSize = _infoHeader.ImageSize + _fileHeader.imageDataOffset;
this->infoHeader = _infoHeader;
this->fileHeader = _fileHeader;
// this->pixelArray = pixelArray;
this->pixelArray = pixelArray;
}
BMPImage BMPImage::appendRight(BMPImage &img) {
uint32_t newHeight = std::max(this->infoHeader.BitmapHeight, img.height());
uint32_t newWidth = this->infoHeader.BitmapWidth + img.width();
std::shared_ptr<BMPImage> BMPImage::appendRight(const std::shared_ptr<const BMPImage>& img) {
uint32_t newHeight = std::max(this->infoHeader.BitmapHeight, img->height());
uint32_t newWidth = this->infoHeader.BitmapWidth + img->width();
// Pixel **newPixelArray;
PixelArray newPixelArray(newWidth, newHeight);
std::shared_ptr<PixelArray> newPixelArray = std::make_shared<PixelArray>(newWidth, newHeight);
// std::shared_ptr<PixelArray> newPixelArray = std::make_shared<PixelArray>(newWidth, newHeight);
// newPixelArray = new Pixel *[newHeight];
for (int i = 0; i < this->infoHeader.BitmapHeight; ++i) {
// newPixelArray[i] = new Pixel[newWidth];
std::copy(this->pixelArray(i), this->pixelArray(i) + this->infoHeader.BitmapWidth, newPixelArray(i));
std::copy((*this->pixelArray)(i), (*this->pixelArray)(i) + this->infoHeader.BitmapWidth, (*newPixelArray)(i));
}
for (int i = 0; i < img.height(); ++i) {
std::copy(img.pixels()(i), img.pixelArray(i) + img.width(), newPixelArray(i) + this->infoHeader.BitmapWidth);
for (int i = 0; i < img->height(); ++i) {
std::copy((*img->pixels())(i), (*img->pixelArray)(i) + img->width(),
(*newPixelArray)(i) + this->infoHeader.BitmapWidth);
}
return {newPixelArray};
return std::make_shared<BMPImage>(newPixelArray);
}
BMPImage BMPImage::overlay(BMPImage &img, uint32_t pos_x, uint32_t pos_y) {
if (pos_x + img.width() > this->width() || pos_y + img.height() > this->height())
std::shared_ptr<BMPImage> BMPImage::overlay(const std::shared_ptr<const BMPImage>& img, uint32_t pos_x, uint32_t pos_y) {
if (pos_x + img->width() > this->width() || pos_y + img->height() > this->height())
throw std::runtime_error("The overlaid image is outside the image");
auto pixels = this->pixels_copy();
for (int i = 0; i < img.height(); ++i) {
std::copy(img.pixels()(i), img.pixels()(i) + img.width(), pixels(pos_y + i) + pos_x);
for (int i = 0; i < img->height(); ++i) {
std::copy((*img->pixels())(i), (*img->pixels())(i) + img->width(), (*pixels)(pos_y + i) + pos_x);
}
return {pixels};
return std::make_shared<BMPImage>(pixels);
}
BMPImage BMPImage::applyFilter(const std::function<uint8_t(std::array<int, 9> &)> &filter) {
std::shared_ptr<BMPImage> BMPImage::applyFilter(const std::function<uint8_t(std::array<int, 9> &)> &filter) {
auto origPixels = this->pixels_copy();
PixelArray pixels(this->width(), this->height());
std::shared_ptr<PixelArray> pixels = std::make_shared<PixelArray>(this->width(), this->height());
for (int y = 1; y < this->height() - 1; ++y) {
for (int x = 1; x < this->width() - 1; ++x) {
auto p1 = origPixels(y - 1, x - 1);
auto p2 = origPixels(y - 1, x);
auto p3 = origPixels(y - 1, x + 1);
auto p4 = origPixels(y, x - 1);
auto p5 = origPixels(y, x);
auto p6 = origPixels(y, x + 1);
auto p7 = origPixels(y + 1, x - 1);
auto p8 = origPixels(y + 1, x);
auto p9 = origPixels(y + 1, x + 1);
auto p1 = (*origPixels)(y - 1, x - 1);
auto p2 = (*origPixels)(y - 1, x);
auto p3 = (*origPixels)(y - 1, x + 1);
auto p4 = (*origPixels)(y, x - 1);
auto p5 = (*origPixels)(y, x);
auto p6 = (*origPixels)(y, x + 1);
auto p7 = (*origPixels)(y + 1, x - 1);
auto p8 = (*origPixels)(y + 1, x);
auto p9 = (*origPixels)(y + 1, x + 1);
std::array<int, 9> red_channel = {p1.r, p2.r, p3.r, p4.r, p5.r, p6.r, p7.r, p8.r, p9.r};
std::array<int, 9> green_channel = {p1.g, p2.g, p3.g, p4.g, p5.g, p6.g, p7.g, p8.g, p9.g};
std::array<int, 9> blue_channel = {p1.b, p2.b, p3.b, p4.b, p5.b, p6.b, p7.b, p8.b, p9.b};
auto r = filter(red_channel);
auto g = filter(green_channel);
auto b = filter(blue_channel);
pixels(y, x) = {r, g, b};
(*pixels)(y, x) = {r, g, b};
}
}
return {pixels};
return std::make_shared<BMPImage>(pixels);
}
BMPImage readBMPImage(const std::string &filename) {
std::shared_ptr<BMPImage> readBMPImage(const std::string &filename) {
BitmapFileHeader bitmapFileHeader;
BITMAPINFOHEADER bitmapInfoHeader;
uint32_t DIB_Header_Size;
@ -159,8 +155,8 @@ BMPImage readBMPImage(const std::string &filename) {
ifs.seekg(14, std::ios::beg);
ifs.read((char *) &bitmapInfoHeader, sizeof(bitmapInfoHeader));
}
PixelArray pixelArray = PixelArray(bitmapInfoHeader.BitmapWidth, bitmapInfoHeader.BitmapHeight);
// pixelArray = new Pixel *[bitmapInfoHeader.BitmapHeight];
std::shared_ptr<PixelArray> pixelArray = std::make_shared<PixelArray>(bitmapInfoHeader.BitmapWidth,
bitmapInfoHeader.BitmapHeight);
{
std::ifstream ifs(filename, std::ios_base::binary);
if (!ifs.good()) {
@ -171,216 +167,217 @@ BMPImage readBMPImage(const std::string &filename) {
uint8_t padding = (4 - byteByRow % 4) % 4;
for (auto i = (int) bitmapInfoHeader.BitmapHeight - 1; i > -1; --i) {
// pixelArray(i) = new Pixel[bitmapInfoHeader.BitmapWidth];
ifs.read((char *) pixelArray(i), byteByRow);
ifs.read((char *) (*pixelArray)(i), byteByRow);
if (padding != 4) ifs.seekg(padding, std::ios_base::cur); // Skip padding
}
}
return {bitmapFileHeader, bitmapInfoHeader, pixelArray};
return std::make_shared<BMPImage>(bitmapFileHeader, bitmapInfoHeader, pixelArray);
}
BMPImage grayscale(BMPImage &img) {
auto pixels = img.pixels_copy();
for (int i = 0; i < img.height(); ++i) {
for (int j = 0; j < img.width(); ++j) {
uint8_t gray = pixels(i, j).r / 3 + pixels(i, j).g / 3 + pixels(i, j).b / 3;
pixels(i, j) = {gray, gray, gray};
std::shared_ptr<BMPImage> grayscale(const std::shared_ptr<BMPImage>& img) {
auto pixels = img->pixels_copy();
for (int i = 0; i < img->height(); ++i) {
for (int j = 0; j < img->width(); ++j) {
uint8_t gray = (*pixels)(i, j).r / 3 + (*pixels)(i, j).g / 3 + (*pixels)(i, j).b / 3;
(*pixels)(i, j) = {gray, gray, gray};
}
}
return {img.fileHeader_copy(), img.infoHeader_copy(), pixels};
return std::make_shared<BMPImage>(img->fileHeader_copy(), img->infoHeader_copy(), pixels);
}
BMPImage invertColors(BMPImage &img) {
auto pixels = img.pixels_copy();
for (int i = 0; i < img.height(); ++i) {
for (int j = 0; j < img.width(); ++j) {
pixels(i, j) = 255 - pixels(i, j);
std::shared_ptr<BMPImage> invertColors(const std::shared_ptr<BMPImage>& img) {
auto pixels = img->pixels_copy();
for (int i = 0; i < img->height(); ++i) {
for (int j = 0; j < img->width(); ++j) {
(*pixels)(i, j) = 255 - (*pixels)(i, j);
}
}
return {img.fileHeader_copy(), img.infoHeader_copy(), pixels};
return std::make_shared<BMPImage>(img->fileHeader_copy(), img->infoHeader_copy(), pixels);
}
BMPImage upscale2x(BMPImage &img) {
auto oldPixels = img.pixels();
const uint32_t newHeight = img.height() * 2;
const uint32_t newWidth = img.width() * 2;
PixelArray newPixelArray(newWidth, newHeight);
std::shared_ptr<BMPImage> upscale2x(const std::shared_ptr<const BMPImage>& img) {
auto oldPixels = img->pixels();
const uint32_t newHeight = img->height() * 2;
const uint32_t newWidth = img->width() * 2;
std::shared_ptr<PixelArray> newPixelArray = std::make_shared<PixelArray>(newWidth, newHeight);
for (int i = 0; i < newHeight; i += 2) {
for (int j = 0; j < newWidth; ++j) {
if (j % 2 == 0)
newPixelArray(i, j) = oldPixels(i / 2, j / 2);
(*newPixelArray)(i, j) = (*oldPixels)(i / 2, j / 2);
else if (j == newWidth - 1)
newPixelArray(i, j) = oldPixels(i / 2, j / 2) / 2;
(*newPixelArray)(i, j) = (*oldPixels)(i / 2, j / 2) / 2;
else
newPixelArray(i, j) = oldPixels(i / 2, j / 2) / 2 + oldPixels(i / 2, j / 2 + 1) / 2;
(*newPixelArray)(i, j) = (*oldPixels)(i / 2, j / 2) / 2 + (*oldPixels)(i / 2, j / 2 + 1) / 2;
}
}
for (int i = 1; i < newHeight; i += 2) {
if (i == newHeight - 1)
for (int j = 0; j < newWidth; ++j) {
newPixelArray(i, j) = newPixelArray(i - 1, j) / 2;
(*newPixelArray)(i, j) = (*newPixelArray)(i - 1, j) / 2;
}
else
for (int j = 0; j < newWidth; ++j) {
newPixelArray(i, j) = newPixelArray(i - 1, j) / 2 + newPixelArray(i + 1, j) / 2;
(*newPixelArray)(i, j) = (*newPixelArray)(i - 1, j) / 2 + (*newPixelArray)(i + 1, j) / 2;
}
}
return {newPixelArray};
return std::make_shared<BMPImage>(newPixelArray);
}
BMPImage downscale2x(BMPImage &img) {
auto oldPixels = img.pixels_copy();
const uint32_t newHeight = img.height() / 2;
const uint32_t newWidth = img.width() / 2;
PixelArray newPixelArray(newWidth, newHeight);
std::shared_ptr<BMPImage> downscale2x(const std::shared_ptr<const BMPImage>& img) {
auto oldPixels = img->pixels();
const uint32_t newHeight = img->height() / 2;
const uint32_t newWidth = img->width() / 2;
std::shared_ptr<PixelArray> newPixelArray = std::make_shared<PixelArray>(newWidth, newHeight);
for (int i = 0; i < newHeight; ++i) {
for (int j = 0; j < newWidth; ++j) {
newPixelArray(i, j) = oldPixels(i * 2, j * 2);
(*newPixelArray)(i, j) = (*oldPixels)(i * 2, j * 2);
}
}
return {newPixelArray};
return std::make_shared<BMPImage>(newPixelArray);
}
BMPImage upscale1_5x(BMPImage &img) {
auto oldPixels = img.pixels();
const uint32_t newHeight = img.height() * 3 / 2;
const uint32_t newWidth = img.width() * 3 / 2;
PixelArray newPixelArray(newWidth, newHeight);
std::shared_ptr<BMPImage> upscale1_5x(const std::shared_ptr<const BMPImage>& img) {
auto oldPixels = img->pixels();
const uint32_t newHeight = img->height() * 3 / 2;
const uint32_t newWidth = img->width() * 3 / 2;
std::shared_ptr<PixelArray> newPixelArray = std::make_shared<PixelArray>(newWidth, newHeight);
for (int i = 0; i < newHeight; ++i) {
if ((i + 1) % 3 == 0) continue;
for (int j = 0; j < newWidth; ++j) {
int oldi = i * 2 / 3;
int oldj = j * 2 / 3;
if ((j + 1) % 3 != 0)
newPixelArray(i, j) = oldPixels(oldi, oldj);
(*newPixelArray)(i, j) = (*oldPixels)(oldi, oldj);
else if (j == newWidth - 1)
newPixelArray(i, j) = oldPixels(oldi, oldj) / 2;
(*newPixelArray)(i, j) = (*oldPixels)(oldi, oldj) / 2;
else
newPixelArray(i, j) = oldPixels(oldi, oldj) / 2 + oldPixels(oldi, oldj + 1) / 2;
(*newPixelArray)(i, j) = (*oldPixels)(oldi, oldj) / 2 + (*oldPixels)(oldi, oldj + 1) / 2;
}
}
for (int i = 2; i < newHeight; i += 3) {
if (i == newHeight - 1)
for (int j = 0; j < newWidth; ++j) {
newPixelArray(i, j) = newPixelArray(i - 1, j) / 2;
(*newPixelArray)(i, j) = (*newPixelArray)(i - 1, j) / 2;
}
else
for (int j = 0; j < newWidth; ++j) {
newPixelArray(i, j) = newPixelArray(i - 1, j) / 2 + newPixelArray(i + 1, j) / 2;
(*newPixelArray)(i, j) = (*newPixelArray)(i - 1, j) / 2 + (*newPixelArray)(i + 1, j) / 2;
}
}
return {newPixelArray};
return std::make_shared<BMPImage>(newPixelArray);
}
BMPImage textImg(const std::u16string &str, Font *font, uint8_t scale, Pixel background_color, Pixel font_color) {
std::shared_ptr<BMPImage>
textImg(const std::u16string &str, Font *font, uint8_t scale, Pixel background_color, Pixel font_color) {
auto strSize = str.size();
uint32_t glyphHeight = font->glyphHeight;
uint32_t glyphWidth = font->glyphWidth;
uint32_t imgWidth = strSize * glyphWidth * scale;
uint32_t imgHeight = glyphHeight * scale;
PixelArray pixels(imgWidth, imgHeight);
std::shared_ptr<PixelArray> pixels = std::make_shared<PixelArray>(imgWidth, imgHeight);
for (int i = 0; i < strSize; ++i) {
auto glyph = font->_glyphs[str[i]];
for (int j = 0; j < glyphHeight * scale; ++j) {
for (int l = 0; l < glyphWidth * scale; ++l) {
if (glyph->glyph[j / scale][l / scale])
pixels(j, glyphWidth * scale * i + l) = font_color;
(*pixels)(j, glyphWidth * scale * i + l) = font_color;
else
pixels(j, glyphWidth * scale * i + l) = background_color;
(*pixels)(j, glyphWidth * scale * i + l) = background_color;
}
}
}
return {pixels};
return std::make_shared<BMPImage>(pixels);
}
BMPImage upscale1_5x_ver2(BMPImage &img) {
auto oldPixels = img.pixels();
const uint32_t newHeight = img.height() * 3 / 2;
const uint32_t newWidth = img.width() * 3 / 2;
PixelArray newPixelArray(newWidth, newHeight);
std::shared_ptr<BMPImage> upscale1_5x_ver2(const std::shared_ptr<const BMPImage>& img) {
auto oldPixels = img->pixels();
const uint32_t newHeight = img->height() * 3 / 2;
const uint32_t newWidth = img->width() * 3 / 2;
std::shared_ptr<PixelArray> newPixelArray = std::make_shared<PixelArray>(newWidth, newHeight);
for (int i = 0; i < newHeight; ++i) {
int oldi = std::round(i * 2 / 3.);
auto oldi = (int)std::round(i * 2 / 3.);
if ((i + 1) % 3 == 0) {
if (i == newHeight - 1)
newPixelArray(i, 0) = oldPixels(oldi, 0) / 2;
(*newPixelArray)(i, 0) = (*oldPixels)(oldi, 0) / 2;
else {
newPixelArray(i, 0) = oldPixels(oldi, 0) / 2 + oldPixels(oldi + 1, 0) / 2;
(*newPixelArray)(i, 0) = (*oldPixels)(oldi, 0) / 2 + (*oldPixels)(oldi + 1, 0) / 2;
}
continue;
}
for (int j = 0; j < newWidth; ++j) {
int oldj = std::round(j * 2 / 3.);
auto oldj = (int)std::round(j * 2 / 3.);
if ((j + 1) % 3 != 0)
newPixelArray(i, j) = oldPixels(oldi, oldj);
(*newPixelArray)(i, j) = (*oldPixels)(oldi, oldj);
else if (j == newWidth - 1)
newPixelArray(i, j) = oldPixels(oldi, oldj) / 2;
(*newPixelArray)(i, j) = (*oldPixels)(oldi, oldj) / 2;
else
newPixelArray(i, j) = oldPixels(oldi, oldj) / 2 + oldPixels(oldi, oldj + 1) / 2;
(*newPixelArray)(i, j) = (*oldPixels)(oldi, oldj) / 2 + (*oldPixels)(oldi, oldj + 1) / 2;
}
}
for (int i = 2; i < newHeight; i += 3) {
if (i == newHeight - 1)
for (int j = 0; j < newWidth; ++j) {
newPixelArray(i, j) = newPixelArray(i - 1, j) / 2;
(*newPixelArray)(i, j) = (*newPixelArray)(i - 1, j) / 2;
}
else
for (int j = 1; j < newWidth; ++j) {
if (j == newWidth - 1) {
newPixelArray(i, j) = newPixelArray(i, j - 1) / 2;
(*newPixelArray)(i, j) = (*newPixelArray)(i, j - 1) / 2;
continue;
}
auto f00 = newPixelArray(i - 1, j - 1);
auto f10 = newPixelArray(i - 1, j + 1);
auto f01 = newPixelArray(i + 1, j - 1);
auto f11 = newPixelArray(i + 1, j + 1);
newPixelArray(i, j) = f10 / 4 + f00 / 4 + f01 / 4 + f11 / 4;
auto f00 = (*newPixelArray)(i - 1, j - 1);
auto f10 = (*newPixelArray)(i - 1, j + 1);
auto f01 = (*newPixelArray)(i + 1, j - 1);
auto f11 = (*newPixelArray)(i + 1, j + 1);
(*newPixelArray)(i, j) = f10 / 4 + f00 / 4 + f01 / 4 + f11 / 4;
}
}
return {newPixelArray};
return std::make_shared<BMPImage>(newPixelArray);
}
BMPImage upscale2x_ver2(BMPImage &img) {
auto oldPixels = img.pixels();
const uint32_t newHeight = img.height() * 2;
const uint32_t newWidth = img.width() * 2;
PixelArray newPixelArray(newWidth, newHeight);
std::shared_ptr<BMPImage> upscale2x_ver2(const std::shared_ptr<const BMPImage>& img) {
auto oldPixels = img->pixels();
const uint32_t newHeight = img->height() * 2;
const uint32_t newWidth = img->width() * 2;
std::shared_ptr<PixelArray> newPixelArray = std::make_shared<PixelArray>(newWidth, newHeight);
for (int i = 0; i < newHeight; ++i) {
if ((i + 1) % 2 == 0) {
if (i == newHeight - 1)
newPixelArray(i, 0) = oldPixels(i / 2, 0) / 2;
(*newPixelArray)(i, 0) = (*oldPixels)(i / 2, 0) / 2;
else
newPixelArray(i, 0) = oldPixels(i / 2, 0) / 2 + oldPixels(i / 2 + 1, 0) / 2;
(*newPixelArray)(i, 0) = (*oldPixels)(i / 2, 0) / 2 + (*oldPixels)(i / 2 + 1, 0) / 2;
continue;
}
for (int j = 0; j < newWidth; ++j) {
if (j % 2 == 0)
newPixelArray(i, j) = oldPixels(i / 2, j / 2);
(*newPixelArray)(i, j) = (*oldPixels)(i / 2, j / 2);
else if (j == newWidth - 1)
newPixelArray(i, j) = oldPixels(i / 2, j / 2) / 2;
(*newPixelArray)(i, j) = (*oldPixels)(i / 2, j / 2) / 2;
else
newPixelArray(i, j) = oldPixels(i / 2, j / 2) / 2 + oldPixels(i / 2, j / 2 + 1) / 2;
(*newPixelArray)(i, j) = (*oldPixels)(i / 2, j / 2) / 2 + (*oldPixels)(i / 2, j / 2 + 1) / 2;
}
}
for (int i = 1; i < newHeight; i += 2) {
if (i == newHeight - 1)
for (int j = 1; j < newWidth; ++j) {
newPixelArray(i, j) = newPixelArray(i - 1, j) / 2;
(*newPixelArray)(i, j) = (*newPixelArray)(i - 1, j) / 2;
}
else
for (int j = 1; j < newWidth; ++j) {
if (j == newWidth - 1) {
newPixelArray(i, j) = newPixelArray(i, j - 1) / 2;
(*newPixelArray)(i, j) = (*newPixelArray)(i, j - 1) / 2;
continue;
}
auto f00 = newPixelArray(i - 1, j - 1);
auto f10 = newPixelArray(i - 1, j + 1);
auto f01 = newPixelArray(i + 1, j - 1);
auto f11 = newPixelArray(i + 1, j + 1);
newPixelArray(i, j) = f10 / 4 + f00 / 4 + f01 / 4 + f11 / 4;
auto f00 = (*newPixelArray)(i - 1, j - 1);
auto f10 = (*newPixelArray)(i - 1, j + 1);
auto f01 = (*newPixelArray)(i + 1, j - 1);
auto f11 = (*newPixelArray)(i + 1, j + 1);
(*newPixelArray)(i, j) = f10 / 4 + f00 / 4 + f01 / 4 + f11 / 4;
}
}
return {newPixelArray};
return std::make_shared<BMPImage>(newPixelArray);
}

View file

@ -39,21 +39,19 @@ struct BITMAPINFOHEADER {
class BMPImage {
BitmapFileHeader fileHeader;
BITMAPINFOHEADER infoHeader;
PixelArray pixelArray;
std::shared_ptr<PixelArray> pixelArray;
public:
BMPImage(const BitmapFileHeader &fileHeader, const BITMAPINFOHEADER &infoHeader, const PixelArray &pixelArray);
BMPImage(const BitmapFileHeader &fileHeader, const BITMAPINFOHEADER &infoHeader, std::shared_ptr<PixelArray> pixelArray);
BMPImage(const PixelArray &pixelArray);
~BMPImage();
explicit BMPImage(std::shared_ptr<PixelArray> pixelArray);
[[nodiscard]] const uint32_t &width() const;
[[nodiscard]] const uint32_t &height() const;
[[nodiscard]] PixelArray pixels();
[[nodiscard]] std::shared_ptr<PixelArray> pixels() const;
[[nodiscard]] PixelArray pixels_copy();
[[nodiscard]] std::shared_ptr<PixelArray> pixels_copy();
[[nodiscard]] BitmapFileHeader fileHeader_copy();
@ -61,28 +59,28 @@ public:
void save(const std::string &);
BMPImage appendRight(BMPImage &);
std::shared_ptr<BMPImage> appendRight(const std::shared_ptr<const BMPImage>&);
BMPImage overlay(BMPImage &, uint32_t, uint32_t);
std::shared_ptr<BMPImage> overlay(const std::shared_ptr<const BMPImage>&, uint32_t, uint32_t);
BMPImage applyFilter(const std::function<uint8_t (std::array<int,9>&)>& filter);
std::shared_ptr<BMPImage> applyFilter(const std::function<uint8_t (std::array<int,9>&)>& filter);
};
BMPImage readBMPImage(const std::string &filename);
std::shared_ptr<BMPImage> readBMPImage(const std::string &filename);
BMPImage grayscale(BMPImage &);
std::shared_ptr<BMPImage> grayscale(const std::shared_ptr<BMPImage>&); // TODO: Сделать const BMPImage
BMPImage invertColors(BMPImage &);
std::shared_ptr<BMPImage> invertColors(const std::shared_ptr<BMPImage>&); // TODO: Сделать const BMPImage
BMPImage upscale2x(BMPImage &);
std::shared_ptr<BMPImage> upscale2x(const std::shared_ptr<const BMPImage>&);
BMPImage downscale2x(BMPImage &);
std::shared_ptr<BMPImage> downscale2x(const std::shared_ptr<const BMPImage>&);
BMPImage upscale1_5x(BMPImage &);
std::shared_ptr<BMPImage> upscale1_5x(const std::shared_ptr<const BMPImage>&);
BMPImage upscale1_5x_ver2(BMPImage &); // TODO: BAD
std::shared_ptr<BMPImage> upscale1_5x_ver2(const std::shared_ptr<const BMPImage>&); // TODO: BAD
BMPImage upscale2x_ver2(BMPImage &); // TODO: BAD
std::shared_ptr<BMPImage> upscale2x_ver2(const std::shared_ptr<const BMPImage>&); // TODO: BAD
BMPImage textImg(const std::u16string &, Font *font, uint8_t scale = 1, Pixel background_color = Pixel{0, 0, 0},
std::shared_ptr<BMPImage> textImg(const std::u16string &, Font *font, uint8_t scale = 1, Pixel background_color = Pixel{0, 0, 0},
Pixel font_color = Pixel{255, 255, 255});

View file

@ -56,10 +56,10 @@ Pixel &PixelArray::operator()(const uint32_t &i, const uint32_t &j) {
}
PixelArray::~PixelArray() {
// for (int i = 0; i < this->_height; ++i) {
// delete[] this->array[i];
// }
// delete[] this->array;
for (int i = 0; i < this->_height; ++i) {
delete[] this->array[i];
}
delete[] this->array;
}
PixelArray::PixelArray(const PixelArray &pA) {

View file

@ -2,6 +2,7 @@
#include <cstdint>
#include <utils-lib/utils.h>
static_assert(true);
#pragma pack(push, 1)
struct Pixel {
uint8_t r = 255;

171
main.cpp
View file

@ -6,12 +6,12 @@ auto font = readPSF("../fonts/ruscii_8x16_2.psf");
void lab01() {
auto og_image = readBMPImage("../elef.bmp");
auto pixels1 = og_image.pixels_copy();
auto pixels2 = og_image.pixels_copy();
for (int i = 0; i < og_image.height(); ++i) {
for (int j = 0; j < og_image.width(); ++j) {
pixels1(i, j) = pixels1(i, j) / 2;
pixels2(i, j) = pixels2(i, j) * 2;
auto pixels1 = og_image->pixels_copy();
auto pixels2 = og_image->pixels_copy();
for (int i = 0; i < og_image->height(); ++i) {
for (int j = 0; j < og_image->width(); ++j) {
(*pixels1)(i, j) = (*pixels1)(i, j) / 2;
(*pixels2)(i, j) = (*pixels2)(i, j) * 2;
}
}
auto orig_text = textImg(u"Оригинал", &font, 3);
@ -21,11 +21,12 @@ void lab01() {
auto grayscale_text = textImg(u"Оттенки серого", &font, 3);
auto darkenImg = BMPImage(pixels1).overlay(darken_text, 0, 0);
auto lighterImg = BMPImage(pixels2).overlay(lighter_text, 0, 0);
auto invert_img = invertColors(og_image).overlay(invert_text, 0, 0); // TODO
auto grayscale_img = grayscale(og_image).overlay(grayscale_text, 0, 0);
auto invert_img = invertColors(og_image)->overlay(invert_text, 0, 0); // TODO
auto grayscale_img = grayscale(og_image)->overlay(grayscale_text, 0, 0);
og_image.appendRight(lighterImg).appendRight(darkenImg).appendRight(invert_img).appendRight(grayscale_img).overlay(
orig_text, 0, 0).save("../lab01/elef1.bmp");
og_image->appendRight(lighterImg)->appendRight(darkenImg)->appendRight(invert_img)->appendRight(
grayscale_img)->overlay(
orig_text, 0, 0)->save("../lab01/elef1.bmp");
}
void lab02_01() {
@ -37,24 +38,24 @@ void lab02_01() {
auto img_512 = downscale2x(img);
auto img_256 = downscale2x(img_512);
auto img_128 = downscale2x(img_256);
img_512.overlay(text512, 0, 0).save("../lab02/tea_512.bmp");
img_256.overlay(text256, 0, 0).save("../lab02/tea_256.bmp");
img_128.overlay(text128, 0, 0).save("../lab02/tea_128.bmp");
img.overlay(text1024, 0, 0).appendRight(img_512).overlay(text512, 1024, 0).appendRight(img_256).
overlay(text256, 1536, 0).appendRight(img_128).overlay(text128, 1792, 0).save(
"../lab02/tea_downscale.bmp");;
auto img_from_512 = upscale2x(img_512).overlay(text512, 0, 0);
img_512->overlay(text512, 0, 0)->save("../lab02/tea_512.bmp");
img_256->overlay(text256, 0, 0)->save("../lab02/tea_256.bmp");
img_128->overlay(text128, 0, 0)->save("../lab02/tea_128.bmp");
img->overlay(text1024, 0, 0)->appendRight(img_512)->overlay(text512, 1024, 0)->appendRight(img_256)->
overlay(text256, 1536, 0)->appendRight(img_128)->overlay(text128, 1792, 0)->save(
"../lab02/tea_downscale.bmp");
auto img_from_512 = upscale2x(img_512)->overlay(text512, 0, 0);
//// auto img_from_256 = upscale2x(upscale2x(img_256));
//// auto img_from_128 = upscale2x(upscale2x(upscale2x(img_128)));
auto tmp = upscale2x(img_256);
auto img_from_256 = upscale2x(tmp).overlay(text256, 0, 0);
auto img_from_256 = upscale2x(tmp)->overlay(text256, 0, 0);
auto tmp2 = upscale2x(img_128);
auto tmp3 = upscale2x(tmp2);
auto img_from_128 = upscale2x(tmp3).overlay(text128, 0, 0);
img_from_512.save("../lab02/tea_from_512.bmp");
img_from_256.save("../lab02/tea_from_256.bmp");
img_from_128.save("../lab02/tea_from_128.bmp");
img.overlay(text1024, 0, 0).appendRight(img_from_512).appendRight(img_from_256).appendRight(img_from_128).save(
auto img_from_128 = upscale2x(tmp3)->overlay(text128, 0, 0);
img_from_512->save("../lab02/tea_from_512.bmp");
img_from_256->save("../lab02/tea_from_256.bmp");
img_from_128->save("../lab02/tea_from_128.bmp");
img->overlay(text1024, 0, 0)->appendRight(img_from_512)->appendRight(img_from_256)->appendRight(img_from_128)->save(
"../lab02/tea_upscale.bmp");
// newImg2->save("../lab02/tea_upscale.bmp");
}
@ -67,35 +68,35 @@ void lab02_02() {
auto text64 = textImg(u"64 оттенка", &font, 3);
auto text32 = textImg(u"32 оттенка", &font, 3);
auto gsImg = grayscale(img);
gsImg.overlay(text256, 0, 0).save("../lab02/tea_grayscale_256.bmp");
auto gsPixels = gsImg.pixels_copy();
auto width = gsImg.width();
auto height = gsImg.height();
gsImg->overlay(text256, 0, 0)->save("../lab02/tea_grayscale_256.bmp");
auto gsPixels = gsImg->pixels_copy();
auto width = gsImg->width();
auto height = gsImg->height();
for (int i = 0; i < height; ++i) {
for (int j = 0; j < width; ++j) {
gsPixels(i, j) = (gsPixels(i, j) / 2) * 2;
(*gsPixels)(i, j) = ((*gsPixels)(i, j) / 2) * 2;
}
}
auto gsImg128 = BMPImage(gsPixels).overlay(text128, 0, 0);
gsPixels = gsImg.pixels_copy();
gsPixels = gsImg->pixels_copy();
for (int i = 0; i < height; ++i) {
for (int j = 0; j < width; ++j) {
gsPixels(i, j) = (gsPixels(i, j) / 4) * 4;
(*gsPixels)(i, j) = ((*gsPixels)(i, j) / 4) * 4;
}
}
auto gsImg64 = BMPImage(gsPixels).overlay(text64, 0, 0);
gsPixels = gsImg.pixels_copy();
gsPixels = gsImg->pixels_copy();
for (int i = 0; i < height; ++i) {
for (int j = 0; j < width; ++j) {
gsPixels(i, j) = (gsPixels(i, j) / 8) * 8;
(*gsPixels)(i, j) = ((*gsPixels)(i, j) / 8) * 8;
}
}
auto gsImg32 = BMPImage(gsPixels).overlay(text32, 0, 0);
gsImg128.save("../lab02/tea_grayscale_128.bmp");
gsImg64.save("../lab02/tea_grayscale_64.bmp");
gsImg32.save("../lab02/tea_grayscale_32.bmp");
img.overlay(ogText, 0, 0).appendRight(gsImg).overlay(text256, 1024, 0).appendRight(gsImg128).appendRight(
gsImg64).appendRight(gsImg32).save("../lab02/tea_grayscale.bmp");
gsImg128->save("../lab02/tea_grayscale_128.bmp");
gsImg64->save("../lab02/tea_grayscale_64.bmp");
gsImg32->save("../lab02/tea_grayscale_32.bmp");
img->overlay(ogText, 0, 0)->appendRight(gsImg)->overlay(text256, 1024, 0)->appendRight(gsImg128)->appendRight(
gsImg64)->appendRight(gsImg32)->save("../lab02/tea_grayscale.bmp");
}
void lab02_03() {
@ -113,17 +114,17 @@ void lab02_03() {
auto img_2_ver2 = upscale2x_ver2(img);
auto img_3 = upscale2x(img_1_5);
auto img_3_ver2 = upscale2x_ver2(img_1_5_ver2);
img_1_5.overlay(text_avrg, 0, 0).appendRight(img_1_5_ver2).overlay(text_lin, 1536, 0).save(
img_1_5->overlay(text_avrg, 0, 0)->appendRight(img_1_5_ver2)->overlay(text_lin, 1536, 0)->save(
"../lab02/lab02_03/tea_x1_5.bmp");
img_2.overlay(text_avrg2, 0, 0).appendRight(img_2_ver2).overlay(text_lin2, 2048, 0).save(
img_2->overlay(text_avrg2, 0, 0)->appendRight(img_2_ver2)->overlay(text_lin2, 2048, 0)->save(
"../lab02/lab02_03/tea_x2.bmp");
img_3.overlay(text_avrg3, 0, 0).appendRight(img_3_ver2).overlay(text_lin3, 3072, 0).save(
img_3->overlay(text_avrg3, 0, 0)->appendRight(img_3_ver2)->overlay(text_lin3, 3072, 0)->save(
"../lab02/lab02_03/tea_x3.bmp");
img.overlay(text, 0, 0).appendRight(img_1_5).overlay(text_avrg, 1024, 0).appendRight(img_2)
.overlay(text_avrg2, 2560, 0).appendRight(img_3).overlay(text_avrg3, 4608, 0).save(
img->overlay(text, 0, 0)->appendRight(img_1_5)->overlay(text_avrg, 1024, 0)->appendRight(img_2)
->overlay(text_avrg2, 2560, 0)->appendRight(img_3)->overlay(text_avrg3, 4608, 0)->save(
"../lab02/lab02_03/tea_upscale.bmp");
img.overlay(text, 0, 0).appendRight(img_1_5_ver2).overlay(text_lin, 1024, 0).appendRight(img_2_ver2)
.overlay(text_lin, 2560, 0).appendRight(img_3_ver2).overlay(text_lin, 4608, 0).save(
img->overlay(text, 0, 0)->appendRight(img_1_5_ver2)->overlay(text_lin, 1024, 0)->appendRight(img_2_ver2)
->overlay(text_lin, 2560, 0)->appendRight(img_3_ver2)->overlay(text_lin, 4608, 0)->save(
"../lab02/lab02_03/tea_upscale_ver2.bmp");
}
@ -137,53 +138,48 @@ void lab03() {
auto sobel_text = textImg(u"Фильтр Собеля", &font, 3);
auto text = textImg(u"Оригинал", &font, 3);
auto avrg_image = imgGS.applyFilter(averageFilter).overlay(avrg_text, 0, 0);
auto median_image = imgGS.applyFilter(medianFilter).overlay(median_text, 0, 0);
auto prewitt_dx_image = imgGS.applyFilter(prewittDXFilter);
auto prewitt_dy_image = imgGS.applyFilter(prewittDYFilter);
prewitt_dx_image.save("../lab03/prewitt1.bmp");
prewitt_dy_image.save("../lab03/prewitt2.bmp");
PixelArray prewittPixels(prewitt_dx_image.width(), prewitt_dy_image.height());
for (int y = 0; y < prewitt_dx_image.height(); ++y) {
for (int x = 0; x < prewitt_dx_image.width(); ++x) {
prewittPixels(y, x) = prewitt_dx_image.pixels()(y, x) + prewitt_dy_image.pixels()(y, x);
auto avrg_image = imgGS->applyFilter(averageFilter)->overlay(avrg_text, 0, 0);
auto median_image = imgGS->applyFilter(medianFilter)->overlay(median_text, 0, 0);
auto prewitt_dx_image = imgGS->applyFilter(prewittDXFilter);
auto prewitt_dy_image = imgGS->applyFilter(prewittDYFilter);
prewitt_dx_image->save("../lab03/prewitt1.bmp");
prewitt_dy_image->save("../lab03/prewitt2.bmp");
std::shared_ptr<PixelArray> prewittPixels = std::make_shared<PixelArray>(prewitt_dx_image->width(), prewitt_dy_image->height());
for (int y = 0; y < prewitt_dx_image->height(); ++y) {
for (int x = 0; x < prewitt_dx_image->width(); ++x) {
(*prewittPixels)(y, x) = (*prewitt_dx_image->pixels())(y, x) + (*prewitt_dy_image->pixels())(y, x);
}
}
auto prewitt_image = BMPImage(prewittPixels).overlay(prewitt_text, 0, 0);
auto sobel_dx_image = imgGS.applyFilter(sobelDXFilter).overlay(sobel_text, 0, 0);
auto sobel_dy_image2 = imgGS.applyFilter(sobelDYFilter).overlay(sobel_text, 0, 0);
PixelArray sobelPixels(sobel_dx_image.width(), sobel_dx_image.height());
for (int y = 0; y < sobel_dx_image.height(); ++y) {
for (int x = 0; x < sobel_dx_image.width(); ++x) {
sobelPixels(y, x) = sobel_dx_image.pixels()(y, x) + sobel_dy_image2.pixels()(y, x);
auto sobel_dx_image = imgGS->applyFilter(sobelDXFilter)->overlay(sobel_text, 0, 0);
auto sobel_dy_image2 = imgGS->applyFilter(sobelDYFilter)->overlay(sobel_text, 0, 0);
std::shared_ptr<PixelArray> sobelPixels = std::make_shared<PixelArray>(sobel_dx_image->width(), sobel_dx_image->height());
for (int y = 0; y < sobel_dx_image->height(); ++y) {
for (int x = 0; x < sobel_dx_image->width(); ++x) {
(*sobelPixels)(y, x) = (*sobel_dx_image->pixels())(y, x) + (*sobel_dy_image2->pixels())(y, x);
}
}
auto sobel_image = BMPImage(sobelPixels).overlay(sobel_text, 0, 0);
imgGS.overlay(text, 0, 0).appendRight(avrg_image).appendRight(median_image).save("../lab03/avrg_median_filter.bmp");
imgGS.overlay(text, 0, 0).appendRight(prewitt_image).save("../lab03/prewitt_filter.bmp");
imgGS.overlay(text, 0, 0).appendRight(sobel_image).save("../lab03/sobel_filter.bmp");
imgGS->overlay(text, 0, 0)->appendRight(avrg_image)->appendRight(median_image)->save("../lab03/avrg_median_filter.bmp");
imgGS->overlay(text, 0, 0)->appendRight(prewitt_image)->save("../lab03/prewitt_filter.bmp");
imgGS->overlay(text, 0, 0)->appendRight(sobel_image)->save("../lab03/sobel_filter.bmp");
}
void test() {
// Pixel **test;
PixelArray test(3, 3);
// test = new Pixel *[3];
// test[0] = new Pixel[3];
// test[1] = new Pixel[3];
// test[2] = new Pixel[3];
test(0, 0) = Pixel{0, 0, 0};
test(0, 1) = Pixel{127, 127, 127};
test(0, 2) = Pixel{255, 255, 255};
test(1, 0) = Pixel{127, 127, 127};
test(1, 1) = Pixel{63, 63, 63};
test(1, 2) = Pixel{127, 127, 127};
test(2, 0) = Pixel{255, 255, 255};
test(2, 1) = Pixel{127, 127, 127};
test(2, 2) = Pixel{0, 0, 0};
auto test_img = BMPImage(test);
test_img.save("../test.bmp");
std::shared_ptr<PixelArray> test = std::make_shared<PixelArray>(3, 3);
(*test)(0, 0) = Pixel{0, 0, 0};
(*test)(0, 1) = Pixel{127, 127, 127};
(*test)(0, 2) = Pixel{255, 255, 255};
(*test)(1, 0) = Pixel{127, 127, 127};
(*test)(1, 1) = Pixel{63, 63, 63};
(*test)(1, 2) = Pixel{127, 127, 127};
(*test)(2, 0) = Pixel{255, 255, 255};
(*test)(2, 1) = Pixel{127, 127, 127};
(*test)(2, 2) = Pixel{0, 0, 0};
auto test_img = std::make_shared<BMPImage>(test);
test_img->save("../test.bmp");
auto test_scale = upscale1_5x_ver2(test_img);
test_scale.save("../test_scale.bmp");
test_scale->save("../test_scale.bmp");
}
void test2() {
@ -195,10 +191,10 @@ void test2() {
uint32_t imgWidth = 16 * glyph->width;
uint32_t imgHeight = 16 * glyph->height;
PixelArray test(imgWidth, imgHeight);
std::shared_ptr<PixelArray> test = std::make_shared<PixelArray>(imgWidth, imgHeight);
std::u16string str = u"Hello, World! Привет, Мир!";
uint32_t k = 0;
for (auto it: font._glyphs) {
for (const auto &it: font._glyphs) {
if (k == 256) continue;
// glyph = font._glyphs[u'☺'];
// glyph = font._glyphs[str[k % str.size()]];
@ -206,9 +202,9 @@ void test2() {
for (int i = 0; i < h; ++i) {
for (int j = 0; j < w; ++j) {
if (glyph->glyph[i][j])
test((k / 16) * h + i, (k % 16) * w + j) = font_color;
(*test)((k / 16) * h + i, (k % 16) * w + j) = font_color;
else
test((k / 16) * h + i, (k % 16) * w + j) = background_color;
(*test)((k / 16) * h + i, (k % 16) * w + j) = background_color;
}
}
k++;
@ -217,11 +213,11 @@ void test2() {
}
void test3() {
textImg(u"Привет, Мир!", &font).save("../font_test.bmp");
textImg(u"Привет, Мир!", &font)->save("../font_test.bmp");
}
int main() {
//lab01();
// lab01();
// lab02_01();
// lab02_02();
// lab02_03();
@ -229,6 +225,5 @@ int main() {
// test();
// test2();
// test3();
// auto t = readBMPImage("../lab02/lab02_03/tea_x3.bmp");
return 0;
}