mirror of
https://invent.kde.org/graphics/okular
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56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
/*
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SPDX-FileCopyrightText: 2006 Luigi Toscano <luigi.toscano@tiscali.it>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef _OKULAR_UTILS_H_
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#define _OKULAR_UTILS_H_
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#include "area.h"
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#include "okularcore_export.h"
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class QRect;
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class QImage;
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namespace Okular
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{
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/**
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* @short General utility functions.
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*
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* This class contains some static functions of general utility.
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*/
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class OKULARCORE_EXPORT Utils
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{
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public:
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/**
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* Rotate the rect \p source in the area \p width x \p height with the
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* specified \p orientation .
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*/
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static QRect rotateRect(const QRect source, int width, int height, int orientation);
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/**
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* Return the real DPI of the display containing given window
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*
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* On X11, it can indicate the real horizontal DPI value without any Xrdb
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* setting. Otherwise, returns the same as realDpiX/Y(),
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*
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* @since 22.04
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*/
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static QSizeF realDpi(const QWindow *windowOnScreen);
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/**
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* Compute the smallest rectangle that contains all non-white pixels in image),
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* in normalized [0,1] coordinates.
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*
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* @since 0.7 (KDE 4.1)
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*/
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static NormalizedRect imageBoundingBox(const QImage *image);
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};
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}
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#endif
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/* kate: replace-tabs on; indent-width 4; */
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