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/*
* Copyright 2015 Kevin Funk <kfunk@kde.org>
*
* 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) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* 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 <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include <util/utilexport.h>
#include <QtGlobal>
class QColor;
class QModelIndex;
class QPainter;
class QRect;
class QPalette;
class QTreeView;
namespace KDevelop {
namespace WidgetColorizer {
/**
* Generate a new color by blending the input @p color with the foreground.
*
* This function also works nicely on dark color schemes, in contrast to
* simply setting an alpha channel value on the color.
*
* @p color Input color to blend.
* @p ratio Ratio to decide how strong to do the blending.
* When set to 0 you get the foreground color as-is, when set to 1
* you get the input color as-is.
*/
KDEVPLATFORMUTIL_EXPORT QColor blendForeground(QColor color, float ratio,
const QColor& foreground, const QColor& background);
/**
* Generate a new color by blending the input @p color with the background.
*
* This function also works nicely on dark color schemes, in contrast to
* simply setting an alpha channel value on the color.
*
* @p color Input color to blend.
* @p ratio Ratio to decide how strong to do the blending.
* When set to 0 you get the background color as-is, when set to 1
* you get the input color as-is.
*/
KDEVPLATFORMUTIL_EXPORT QColor blendBackground(const QColor& color, float ratio,
const QColor& foreground, const QColor& background);
KDEVPLATFORMUTIL_EXPORT void drawBranches(const QTreeView* treeView, QPainter* painter,
const QRect& rect, const QModelIndex& index, const QColor& color);
/**
* Return a random color fit for the active palette.
*
* @p id An id which can be generated e.g. by qHash. Same ids will return
* the same color.
* @p activePalette The palette to use for generating the color.
* @p background If set to true, a background color will be returned,
* otherwise a foreground color will be returned by default.
*/
KDEVPLATFORMUTIL_EXPORT QColor colorForId(uint id, const QPalette& activePalette,
bool background = false);
/**
* Returns true when the setting is enabled to colorize widgets representing
* files belonging to projects.
*/
KDEVPLATFORMUTIL_EXPORT bool colorizeByProject();
}
}
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