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ptprnt/src/graphics/interface/ILabelBuilder.hpp
Moritz Martinius 78aab33fdb
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Add a label builder (#14)
Reviewed-on: moritz/ptouch-prnt#14
2025-10-12 20:35:04 +00:00

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2.9 KiB
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/*
ptrnt - print labels on linux
Copyright (C) 2025 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/>.
*/
#pragma once
#include <memory>
#include <string>
#include "ILabel.hpp"
namespace ptprnt::graphics {
/**
* @brief Builder interface for creating labels with text and formatting options
*
* The LabelBuilder provides a fluent API for constructing labels with various
* text elements, fonts, sizes, and alignment options. It separates the construction
* logic from the label rendering logic, making it easier to test and maintain.
*/
class ILabelBuilder {
public:
virtual ~ILabelBuilder() = default;
/**
* @brief Add text to the label with current formatting settings
* @param text The text to add
* @return Reference to this builder for method chaining
*/
virtual ILabelBuilder& addText(const std::string& text) = 0;
/**
* @brief Set the font family for subsequent text additions
* @param fontFamily Font family name (e.g., "sans", "serif", "monospace")
* @return Reference to this builder for method chaining
*/
virtual ILabelBuilder& setFontFamily(const std::string& fontFamily) = 0;
/**
* @brief Set the font size for subsequent text additions
* @param fontSize Font size in points
* @return Reference to this builder for method chaining
*/
virtual ILabelBuilder& setFontSize(double fontSize) = 0;
/**
* @brief Set horizontal alignment for subsequent text additions
* @param hAlign Horizontal alignment position
* @return Reference to this builder for method chaining
*/
virtual ILabelBuilder& setHAlign(HAlignPosition hAlign) = 0;
/**
* @brief Set vertical alignment for subsequent text additions
* @param vAlign Vertical alignment position
* @return Reference to this builder for method chaining
*/
virtual ILabelBuilder& setVAlign(VAlignPosition vAlign) = 0;
/**
* @brief Build and return the label with all added content
* @return Unique pointer to the constructed label
*/
virtual std::unique_ptr<ILabel> build() = 0;
/**
* @brief Reset the builder to initial state
* @return Reference to this builder for method chaining
*/
virtual ILabelBuilder& reset() = 0;
};
} // namespace ptprnt::graphics