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Okular::Utils Class Reference

#include <utils.h>

Static Public Member Functions

static NormalizedRect imageBoundingBox (const QImage *image)
static QSizeF realDpi (const QWindow *windowOnScreen)
static QRect rotateRect (const QRect source, int width, int height, int orientation)

Detailed Description

General utility functions.

This class contains some static functions of general utility.

Definition at line 23 of file utils.h.

Member Function Documentation

◆ imageBoundingBox()

NormalizedRect Utils::imageBoundingBox ( const QImage * image)

Compute the smallest rectangle that contains all non-white pixels in image), in normalized [0,1] coordinates.

0.7 (KDE 4.1)

Definition at line 69 of file utils.cpp.

◆ realDpi()

QSizeF Utils::realDpi ( const QWindow * windowOnScreen)

Return the real DPI of the display containing given window.

On X11, it can indicate the real horizontal DPI value without any Xrdb setting. Otherwise, returns the same as realDpiX/Y(),


Definition at line 47 of file utils.cpp.

◆ rotateRect()

QRect Utils::rotateRect ( const QRect source,
int width,
int height,
int orientation )

Rotate the rect source in the area width x height with the specified orientation .

Definition at line 24 of file utils.cpp.

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