93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
/*
|
|
ptrnt - print labels on linux
|
|
Copyright (C) 2023 Moritz Martinius
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
#include "Bitmap.hpp"
|
|
|
|
#include <algorithm>
|
|
#include <spdlog/spdlog.h>
|
|
|
|
#include <iostream>
|
|
#include <iterator>
|
|
#include <optional>
|
|
#include <vector>
|
|
|
|
namespace ptprnt::graphics {
|
|
template <class T>
|
|
Bitmap<T>::Bitmap(uint16_t width, uint16_t height)
|
|
: mWidth{width}, mHeight{height}, mPixels(width * height) {}
|
|
|
|
template <class T>
|
|
[[nodiscard]] uint16_t Bitmap<T>::getWidth() const {
|
|
return mWidth;
|
|
}
|
|
|
|
template <class T>
|
|
[[nodiscard]] uint16_t Bitmap<T>::getHeight() const {
|
|
return mHeight;
|
|
}
|
|
|
|
template <class T>
|
|
bool Bitmap<T>::setPixels(const std::vector<T>& pixels) {
|
|
if (pixels.size() != mPixels.size()) {
|
|
spdlog::error("Invalid pixel buffer size (got {} vs. {} bitmap size).", pixels.size(),
|
|
mPixels.size());
|
|
return false;
|
|
}
|
|
|
|
mPixels = pixels;
|
|
return true;
|
|
}
|
|
|
|
template <class T>
|
|
[[nodiscard]] std::vector<T> Bitmap<T>::getPixelsCpy() const {
|
|
return mPixels;
|
|
}
|
|
|
|
template <class T>
|
|
[[nodiscard]] std::optional<std::vector<T>> Bitmap<T>::getLine(uint16_t line) const {
|
|
if (line >= mHeight) {
|
|
// out of bound
|
|
return std::nullopt;
|
|
}
|
|
|
|
auto lineStart = mPixels.begin() + (line * mWidth);
|
|
auto lineEnd = mPixels.begin() + ((line + 1) * mWidth);
|
|
return std::vector<T>(lineStart, lineEnd);
|
|
}
|
|
|
|
template <class T>
|
|
[[nodiscard]] std::optional<std::vector<T>> Bitmap<T>::getCol(uint16_t col) const {
|
|
if (col >= mWidth) {
|
|
// out of bound
|
|
return std::nullopt;
|
|
}
|
|
|
|
// first pixel is always beginning of the col
|
|
std::vector<T> colPixels(mHeight);
|
|
auto it = std::next(mPixels.begin(), col);
|
|
|
|
for (auto& colElement : colPixels) {
|
|
colElement = *it;
|
|
std::advance(it, mWidth);
|
|
}
|
|
|
|
return colPixels;
|
|
}
|
|
|
|
} // namespace ptprnt::graphics
|