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
63 lines
2.0 KiB
C++
63 lines
2.0 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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#pragma once
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#include <cstdint>
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#include <memory>
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#include <span>
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#include <vector>
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namespace ptprnt::graphics {
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using ALPHA8 = std::uint8_t; // Alpha only, 8 bit per pixel
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using RGBX8 = std::uint32_t; // RGB, least significant byte unused, 8 bit per channel
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using RGBA8 = std::uint32_t; // RGB, least significant byte alpha, 8 bit per channel
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using ARGB8 = std::uint32_t; // RGB, most significant byte alpha, 8 bit per channel
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template <class T>
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class Bitmap {
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public:
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Bitmap(uint16_t width, uint16_t height);
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~Bitmap() = default;
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Bitmap(const Bitmap&) = default;
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Bitmap& operator=(const Bitmap&) = default;
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Bitmap(Bitmap&&) = default;
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Bitmap& operator=(Bitmap&&) = default;
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[[nodiscard]] uint16_t getWidth() const;
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[[nodiscard]] uint16_t getHeight() const;
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bool setPixels(const std::vector<T>& pixels);
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[[nodiscard]] std::vector<T> getPixelsCpy() const;
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[[nodiscard]] std::vector<T> getLine(uint16_t line) const;
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[[nodiscard]] std::vector<T> getCol(uint16_t col) const;
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void visualize() const;
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private:
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uint16_t mWidth;
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uint16_t mHeight;
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std::vector<T> mPixels;
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};
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// force compiler to generate class for type ALPHA8 and RGBX8
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template class Bitmap<ALPHA8>;
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template class Bitmap<RGBX8>;
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} // namespace ptprnt::graphics
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