qpixmapfilter.cpp File Reference

(48124977865b76212ef719b19ff37d6bd82ad82d)

#include <qglobal.h>
#include <QDebug>
#include "qpainter.h"
#include "qpixmap.h"
#include "qpixmapfilter_p.h"
#include "qvarlengtharray.h"
#include "private/qguiapplication_p.h"
#include "private/qpaintengineex_p.h"
#include "private/qpaintengine_raster_p.h"
#include "qmath.h"
#include "private/qmath_p.h"
#include "private/qdrawhelper_p.h"
#include <memory>
#include "moc_qpixmapfilter_p.cpp"

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Classes
class	QPixmapFilterPrivate
class	QPixmapConvolutionFilterPrivate
class	QPixmapBlurFilterPrivate
class	QPixmapColorizeFilterPrivate
class	QPixmapDropShadowFilterPrivate

Functions
static void	convolute (QImage *destImage, const QPointF &pos, const QImage &srcImage, const QRectF &srcRect, QPainter::CompositionMode mode, qreal *kernel, int kernelWidth, int kernelHeight)
Q_GUI_EXPORT bool	qt_scaleForTransform (const QTransform &transform, qreal *scale)
Q_GUI_EXPORT void	qt_blurImage (QPainter *p, QImage &blurImage, qreal radius, bool quality, bool alphaOnly, int transposed=0)
static void	grayscale (const QImage &image, QImage &dest, const QRect &rect=QRect())

Variables
const qreal	radiusScale = qreal(2.5)

Function Documentation

convolute()

static void convolute ( QImage * destImage, const QPointF & pos, const QImage & srcImage, const QRectF & srcRect, QPainter::CompositionMode mode, qreal * kernel, int kernelWidth, int kernelHeight )

static

Definition at line 274 of file qpixmapfilter.cpp.

References QRectF::adjusted(), cb, QPainter::CompositionMode_Source, QImage::convertToFormat(), QImage::Format_ARGB32_Premultiplied, i, QRect::intersected(), QRectF::isNull(), kernel, output, pix, pos, qBound(), rect, QRectF::toAlignedRect(), and QPoint::y().

Referenced by QPixmapConvolutionFilter::draw().

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grayscale()

static void grayscale ( const QImage & image, QImage & dest, const QRect & rect = QRect() )

static

Definition at line 605 of file qpixmapfilter.cpp.

References QImage::bits(), QImage::height(), i, QRect::moveTo(), qAlpha(), qGray(), qRgba(), QImage::rect(), rect, QImage::scanLine(), QImage::size(), and QImage::width().

Referenced by QPdfEnginePrivate::addImage(), and QPixmapColorizeFilter::draw().

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qt_blurImage()

Q_GUI_EXPORT void qt_blurImage ( QPainter * p, QImage & blurImage, qreal radius, bool quality, bool alphaOnly, int transposed = 0 )

extern

Definition at line 292 of file qimageeffects.cpp.

References QImage::Format_ARGB32_Premultiplied, QImage::Format_RGB32, qt_halfScaled(), and QPainter::SmoothPixmapTransform.

Referenced by QPixmapDropShadowFilter::draw(), and QPixmapBlurFilter::draw().

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qt_scaleForTransform()

Q_GUI_EXPORT bool qt_scaleForTransform ( const QTransform & transform, qreal * scale )

extern

Definition at line 2148 of file qtransform.cpp.

Referenced by cubicTo_clipped().

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Variable Documentation

radiusScale

const qreal radiusScale = qreal(2.5)

Definition at line 545 of file qpixmapfilter.cpp.

Referenced by QPixmapBlurFilter::boundingRectFor(), QPixmapBlurFilter::draw(), QPhysXCharacterController::init(), and QPhysXCharacterController::sync().