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ptprnt/src/graphics/LabelBuilder.cpp
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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3.0 KiB
C++

/*
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/>.
*/
#include "LabelBuilder.hpp"
#include <spdlog/spdlog.h>
#include "Label.hpp"
namespace ptprnt::graphics {
LabelBuilder::LabelBuilder(int printerHeight) : mPrinterHeight(printerHeight) {
reset();
}
ILabelBuilder& LabelBuilder::addText(const std::string& text) {
if (!text.empty()) {
if (!mAccumulatedText.empty()) {
// Add a newline if the label already has some text accumulated
mAccumulatedText += '\n';
}
mAccumulatedText += text;
spdlog::debug("LabelBuilder: Added text '{}', total length: {}", text, mAccumulatedText.length());
}
return *this;
}
ILabelBuilder& LabelBuilder::setFontFamily(const std::string& fontFamily) {
mCurrentFontFamily = fontFamily;
spdlog::debug("LabelBuilder: Set font family to '{}'", fontFamily);
return *this;
}
ILabelBuilder& LabelBuilder::setFontSize(double fontSize) {
mCurrentFontSize = fontSize;
spdlog::debug("LabelBuilder: Set font size to {}", fontSize);
return *this;
}
ILabelBuilder& LabelBuilder::setHAlign(HAlignPosition hAlign) {
mCurrentHAlign = hAlign;
spdlog::debug("LabelBuilder: Set horizontal alignment to {}", static_cast<int>(hAlign));
return *this;
}
ILabelBuilder& LabelBuilder::setVAlign(VAlignPosition vAlign) {
mCurrentVAlign = vAlign;
spdlog::debug("LabelBuilder: Set vertical alignment to {}", static_cast<int>(vAlign));
return *this;
}
std::unique_ptr<ILabel> LabelBuilder::build() {
spdlog::debug("LabelBuilder: Building label with text: '{}'", mAccumulatedText);
auto label = std::make_unique<Label>(mPrinterHeight);
// Apply current formatting settings
label->setFontFamily(mCurrentFontFamily);
label->setFontSize(mCurrentFontSize);
label->setHAlign(mCurrentHAlign);
label->setVAlign(mCurrentVAlign);
// Create the label with accumulated text
label->create(mAccumulatedText);
return label;
}
ILabelBuilder& LabelBuilder::reset() {
mAccumulatedText.clear();
mCurrentFontFamily = DEFAULT_FONT_FAMILY;
mCurrentFontSize = DEFAULT_FONT_SIZE;
mCurrentHAlign = HAlignPosition::LEFT;
mCurrentVAlign = VAlignPosition::MIDDLE;
spdlog::debug("LabelBuilder: Reset to default state");
return *this;
}
} // namespace ptprnt::graphics