Moritz Martinius
4c94cae088
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Reviewed-on: moritz/ptouch-prnt#17
88 lines
3.3 KiB
C++
88 lines
3.3 KiB
C++
/*
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ptrnt - print labels on linux
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Copyright (C) 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 <map>
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#include <string>
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#include <vector>
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constexpr const char* DEFAULT_FONT_FAMILY = "sans";
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constexpr const double DEFAULT_FONT_SIZE = 32.0;
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enum class HAlignPosition {
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UNKNOWN = 0,
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LEFT = 1,
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CENTER = 2,
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RIGHT = 3,
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JUSTIFY = 4,
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};
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const std::map<std::string, HAlignPosition> HALignPositionMap{{"", HAlignPosition::UNKNOWN},
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{"left", HAlignPosition::LEFT},
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{"center", HAlignPosition::CENTER},
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{"right", HAlignPosition::RIGHT},
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{"justify", HAlignPosition::JUSTIFY}};
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enum class VAlignPosition {
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UNKNOWN = 0,
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TOP = 1,
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MIDDLE = 2,
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BOTTOM = 3,
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};
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const std::map<std::string, VAlignPosition> VALignPositionMap{{"", VAlignPosition::UNKNOWN},
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{"top", VAlignPosition::TOP},
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{"middle", VAlignPosition::MIDDLE},
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{"bottom", VAlignPosition::BOTTOM}};
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struct PrintableText {
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std::string text{""};
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std::string fontFamily{DEFAULT_FONT_FAMILY};
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double fontSize{DEFAULT_FONT_SIZE};
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HAlignPosition hAlign{HAlignPosition::LEFT};
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VAlignPosition vAlign{VAlignPosition::MIDDLE};
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};
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namespace ptprnt::graphics {
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class ILabel {
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public:
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virtual ~ILabel() = default;
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virtual bool create(PrintableText printableText) = 0;
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virtual bool create(const std::string& labelText) = 0;
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virtual std::vector<uint8_t> getRaw() const = 0;
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virtual int getWidth() const = 0;
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virtual int getHeight() const = 0;
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virtual void setText(const std::string& text) = 0;
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virtual void setFontSize(const double fontSize) = 0;
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virtual void setFontFamily(const std::string& fontFamily) = 0;
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virtual void setHAlign(HAlignPosition hpos) = 0;
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virtual void setVAlign(VAlignPosition vpos) = 0;
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/**
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* @brief Append another label horizontally with spacing
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* @param other The label to append
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* @param spacingPx Spacing between labels in pixels (default: 60px ~5mm at 300dpi)
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* @return true on success, false if heights don't match
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*/
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virtual bool append(const ILabel& other, uint32_t spacingPx = 60) = 0;
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};
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} // namespace ptprnt::graphics
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