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/* color_utils.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "color_utils.h"
/*
* Initialize a color with R, G, and B values, including any toolkit-dependent
* work that needs to be done.
*/
gboolean
initialize_color(color_t *color, guint16 red, guint16 green, guint16 blue)
{
QColor qc;
// color_t uses 16-bit components to match Gtk+. Qt use 8.
qc.setRgb(red>>8, green>>8, blue>>8);
if (!qc.isValid())
return FALSE;
// Match what color_filters.c does.
color->red = red;
color->green = green;
color->blue = blue;
color->pixel = 0;
return TRUE;
}
const QColor ColorUtils::expert_color_comment = QColor ( 0xb7, 0xf7, 0x74 ); /* Green */
const QColor ColorUtils::expert_color_chat = QColor ( 0x80, 0xb7, 0xf7 ); /* Light blue */
const QColor ColorUtils::expert_color_note = QColor ( 0xa0, 0xff, 0xff ); /* Bright turquoise */
const QColor ColorUtils::expert_color_warn = QColor ( 0xf7, 0xf2, 0x53 ); /* Yellow */
const QColor ColorUtils::expert_color_error = QColor ( 0xff, 0x5c, 0x5c ); /* Pale red */
const QColor ColorUtils::expert_color_foreground = QColor ( 0x00, 0x00, 0x00 ); /* Black */
const QColor ColorUtils::hidden_proto_item = QColor ( 0x44, 0x44, 0x44 ); /* Gray */
ColorUtils::ColorUtils(QObject *parent) :
QObject(parent)
{
}
QColor ColorUtils::fromColorT (color_t *color) {
if (!color) return QColor();
return QColor(color->red >> 8, color->green >> 8, color->blue >> 8);
}
QColor ColorUtils::fromColorT(color_t color)
{
return fromColorT(&color);
}
const color_t ColorUtils::toColorT(const QColor color)
{
color_t colort;
colort.red = (color.red() << 8) | color.red();
colort.green = (color.green() << 8) | color.green();
colort.blue = (color.blue() << 8) | color.blue();
return colort;
}
QRgb ColorUtils::alphaBlend(const QColor &color1, const QColor &color2, qreal alpha)
{
alpha = qBound(0.0, alpha, 1.0);
int r1 = color1.red() * alpha;
int g1 = color1.green() * alpha;
int b1 = color1.blue() * alpha;
int r2 = color2.red() * (1 - alpha);
int g2 = color2.green() * (1 - alpha);
int b2 = color2.blue() * (1 - alpha);
QColor alpha_color(r1 + r2, g1 + g2, b1 + b2);
return alpha_color.rgb();
}
QRgb ColorUtils::alphaBlend(const QBrush &brush1, const QBrush &brush2, qreal alpha)
{
return alphaBlend(brush1.color(), brush2.color(), alpha);
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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