73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
#pragma once
|
|
|
|
#include <QColor>
|
|
#include <QImage>
|
|
#include <QObject>
|
|
#include <QString>
|
|
#include <QUrl>
|
|
#include <QtQml>
|
|
|
|
#include <jkqtmathtext/jkqtmathtext.h>
|
|
|
|
namespace ZShell::llm {
|
|
|
|
// QML wrapper around JKQTMathText (JKQtPlotter's LaTeX renderer).
|
|
//
|
|
// Parses a display-math string and renders it into a transparent
|
|
// QImage at the given device pixel ratio. QML displays the image
|
|
// (scaling it to the bubble width when needed) and falls back to the
|
|
// raw LaTeX when parsing fails.
|
|
class LlmMathText : public QObject {
|
|
Q_OBJECT
|
|
QML_ELEMENT
|
|
|
|
Q_PROPERTY(QString latex READ latex WRITE setLatex NOTIFY changed)
|
|
Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY changed)
|
|
Q_PROPERTY(double fontPointSize READ fontPointSize WRITE setFontPointSize NOTIFY changed)
|
|
Q_PROPERTY(qreal devicePixelRatio READ devicePixelRatio WRITE setDevicePixelRatio NOTIFY changed)
|
|
Q_PROPERTY(QImage image READ image NOTIFY changed)
|
|
// data: URL of the rendered equation; usable directly as
|
|
// Image.source (a raw QImage is not).
|
|
Q_PROPERTY(QUrl imageUrl READ imageUrl NOTIFY changed)
|
|
// Logical (CSS pixel) size of the rendered equation.
|
|
Q_PROPERTY(qreal width READ width NOTIFY changed)
|
|
Q_PROPERTY(qreal height READ height NOTIFY changed)
|
|
Q_PROPERTY(bool ok READ ok NOTIFY changed)
|
|
|
|
public:
|
|
explicit LlmMathText(QObject* parent = nullptr);
|
|
|
|
[[nodiscard]] QString latex() const { return m_latex; }
|
|
void setLatex(const QString& value);
|
|
[[nodiscard]] QColor color() const { return m_color; }
|
|
void setColor(const QColor& value);
|
|
[[nodiscard]] double fontPointSize() const { return m_fontPointSize; }
|
|
void setFontPointSize(double value);
|
|
[[nodiscard]] qreal devicePixelRatio() const { return m_devicePixelRatio; }
|
|
void setDevicePixelRatio(qreal value);
|
|
[[nodiscard]] QImage image() const { return m_image; }
|
|
[[nodiscard]] QUrl imageUrl() const { return m_imageUrl; }
|
|
[[nodiscard]] qreal width() const { return m_width; }
|
|
[[nodiscard]] qreal height() const { return m_height; }
|
|
[[nodiscard]] bool ok() const { return m_ok; }
|
|
|
|
Q_SIGNALS:
|
|
void changed();
|
|
|
|
private:
|
|
void reRender();
|
|
|
|
JKQTMathText m_renderer;
|
|
QString m_latex;
|
|
QColor m_color;
|
|
double m_fontPointSize = 12.0;
|
|
qreal m_devicePixelRatio = 1.0;
|
|
QImage m_image;
|
|
QUrl m_imageUrl;
|
|
qreal m_width = 0;
|
|
qreal m_height = 0;
|
|
bool m_ok = false;
|
|
};
|
|
|
|
} // namespace ZShell::llm
|