Moritz Martinius
05cd9d244c
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Goal of this PR is to have some basic labels generated with pangocairo - size of the canvas should be matching the input text and grow/shrink accordingly - basic formatting options like fontsize and align should be working Reviewed-on: moritz/ptouch-prnt#8
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/*
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ptrnt - print labels on linux
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Copyright (C) 2023-2025 Moritz Martinius
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "Bitmap.hpp"
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#include <spdlog/spdlog.h>
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#include <ranges>
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#include <stdexcept>
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#include <vector>
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namespace ptprnt::graphics {
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template <class T>
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Bitmap<T>::Bitmap(uint16_t width, uint16_t height) : mWidth{width}, mHeight{height}, mPixels(width * height) {}
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template <class T>
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[[nodiscard]] uint16_t Bitmap<T>::getWidth() const {
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return mWidth;
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}
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template <class T>
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[[nodiscard]] uint16_t Bitmap<T>::getHeight() const {
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return mHeight;
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}
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template <class T>
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bool Bitmap<T>::setPixels(const std::vector<T>& pixels) {
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if (pixels.size() != mPixels.size()) {
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spdlog::error("Invalid pixel buffer size (got {} vs. {} bitmap size).", pixels.size(), mPixels.size());
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return false;
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}
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mPixels = pixels;
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return true;
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}
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template <class T>
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[[nodiscard]] std::vector<T> Bitmap<T>::getPixelsCpy() const {
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return mPixels;
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}
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template <class T>
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[[nodiscard]] std::vector<T> Bitmap<T>::getLine(const uint16_t lineNo) const {
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if (lineNo >= mHeight) {
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throw(std::out_of_range("Line is out of range!"));
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}
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auto lineStart = mPixels.begin() + (lineNo * mWidth);
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auto lineEnd = mPixels.begin() + ((lineNo + 1) * mWidth);
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return std::vector<T>(lineStart, lineEnd);
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}
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// TODO: I guess this is borked
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template <class T>
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[[nodiscard]] std::vector<T> Bitmap<T>::getCol(const uint16_t colNo) const {
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if (colNo >= mWidth) {
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throw(std::out_of_range("Col is out of range!"));
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}
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std::vector<T> col{};
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col.reserve(mHeight);
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for (size_t i{0}; i <= mPixels.size(); i++) {
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if (i % mWidth == colNo) {
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col.push_back(mPixels[i]);
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}
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}
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return col;
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}
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} // namespace ptprnt::graphics
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