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/* color_utils.h
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef COLOR_UTILS_H
#define COLOR_UTILS_H
#include <config.h>
#include <glib.h>
#include <epan/color_filters.h>
#include <QBrush>
#include <QColor>
#include <QObject>
class ColorUtils : public QObject
{
Q_OBJECT
public:
explicit ColorUtils(QObject *parent = 0);
static QColor fromColorT(const color_t *color);
static QColor fromColorT(color_t color);
static const color_t toColorT(const QColor color);
static QRgb alphaBlend(const QColor &color1, const QColor &color2, qreal alpha);
static QRgb alphaBlend(const QBrush &brush1, const QBrush &brush2, qreal alpha);
// ...because they don't really fit anywhere else?
static const QColor expert_color_comment; /* green */
static const QColor expert_color_chat; /* light blue */
static const QColor expert_color_note; /* bright turquoise */
static const QColor expert_color_warn; /* yellow */
static const QColor expert_color_error; /* pale red */
static const QColor expert_color_foreground; /* black */
static const QColor hidden_proto_item; /* gray */
static const QList<QRgb> graphColors();
static QRgb graphColor(int item);
static QRgb sequenceColor(int item);
/** Checks if our application is in "dark mode".
* Dark mode is determined by comparing the application palette's window
* text color with the window color.
*
* @return true if we're running in dark mode, false otherwise.
*/
static bool themeIsDark();
/**
* Returns an appropriate link color for the current mode.
* @return A brush suitable for setting a text color.
*/
static QBrush themeLinkBrush();
/**
* Returns an appropriate HTML+CSS link style for the current mode.
* @return A "<style>a:link { color: ... ; }</style>" string
*/
static QString themeLinkStyle();
/**
* Returns either QPalette::Text or QPalette::Base as appropriate for the
* specified foreground color
*
* @param color The background color.
* @return A contrasting foreground color for the current mode / theme.
*/
static const QColor contrastingTextColor(const QColor color);
/**
* Returns an appropriate warning background color for the current mode.
* @return The background color.
*/
static const QColor warningBackground();
signals:
public slots:
private:
static QList<QRgb> graph_colors_;
static QList<QRgb> sequence_colors_;
};
void color_filter_qt_add_cb(color_filter_t *colorf, gpointer user_data);
#endif // COLOR_UTILS_H
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