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sethLabels/glabels/Preview.hpp
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2026-01-13 19:19:42 -05:00

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// Preview.hpp
//
// Copyright (C) 2013-2026 Jaye Evins <evins@snaught.com>
//
// This file is part of gLabels-qt.
//
// gLabels-qt 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.
//
// gLabels-qt 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 gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
//
#ifndef Preview_hpp
#define Preview_hpp
#include "model/Distance.hpp"
#include "model/Model.hpp"
#include "model/PageRenderer.hpp"
#include <QGraphicsView>
#include <QGraphicsScene>
namespace glabels
{
///
/// Preview Widget
///
class Preview : public QGraphicsView
{
Q_OBJECT
/////////////////////////////////
// Life Cycle
/////////////////////////////////
public:
Preview( QWidget *parent = nullptr );
/////////////////////////////////
// Renderer
/////////////////////////////////
public:
void setRenderer( const model::PageRenderer* renderer );
private slots:
void onRendererChanged();
/////////////////////////////////////
// Event handlers
/////////////////////////////////////
protected:
void resizeEvent( QResizeEvent* event ) override;
/////////////////////////////////
// Internal Methods
/////////////////////////////////
private:
void drawPaper();
void drawLabels();
void drawLabel( model::Distance x,
model::Distance y,
const QPainterPath& path );
void drawPreviewOverlay();
void drawLabelNumberOverlaySingle( model::Distance x,
model::Distance y,
const QPainterPath& path,
uint32_t labelInstance);
void drawLabelNumberOverlay();
/////////////////////////////////
// Private Data
/////////////////////////////////
private:
const model::Model* mModel;
const model::PageRenderer* mRenderer;
QGraphicsScene* mScene;
};
}
#endif // Preview_hpp