src_concurrent_qtconcurrentmap.cpp File Reference

Classes
struct	ImageTransform
	[10] More...
struct	Scaled
	[13] More...

Functions
U	function (const T &t)
	[0] More...
QImage	scaled (const QImage &image)
	[0] More...
U	function (T &t)
	[1] More...
void	scale (QImage &image)
	[2] More...
V	function (T &result, const U &intermediate) void addToCollage(QImage &collage
	[3] More...
p	drawImage (offset, thumbnail)
void	computeAverage (int &average, int length)
	[8] More...
int	colorDistribution (const QImage &string)

Variables
QList< QImage >	images = ...
	[5] More...
QFuture< QImage >	thumbnails = QtConcurrent::mapped(images, scaled)
QFuture< void >	future = QtConcurrent::map(images, scale)
V const QImage &	thumbnail
QFuture< QImage >	collage = QtConcurrent::mappedReduced(images, scaled, addToCollage)
QStringList	strings = ...
	[7] More...
QFuture< void >	squeezedStrings = QtConcurrent::map(strings, &QString::squeeze)
QFuture< QImage >	bgrImages = QtConcurrent::mapped(images, &QImage::rgbSwapped)
QFuture< QSet< int > >	wordLengths = QtConcurrent::mappedReduced(strings, &QString::length, &QSet<int>::insert)
QFuture< int >	averageWordLength = QtConcurrent::mappedReduced(strings, &QString::length, computeAverage)
QFuture< QSet< int > >	totalColorDistribution = QtConcurrent::mappedReduced(images, colorDistribution, QSet<int>::insert)
QFuture< QImage >	thumbNails
std::function< QImage(const QImage &)>	scale

Function Documentation

colorDistribution()

int colorDistribution

(

const QImage &

string

)

computeAverage()

void computeAverage	(	int &	average,
		int	length
	)

[8]

[9]

drawImage()

p drawImage	(	offset	,
		thumbnail
	)

function() [1/3]

U function

(

const T &

t

)

[0]

function() [2/3]

U function

(

T &

t

)

[1]

[2]

function() [3/3]

V function	(	T &	result,
		const U &	intermediate
	)		&

[3]

[4] [4] [5]

scale()

void scale

(

QImage &

image

)

[2]

[3]

scaled()

QImage scaled

(

const QImage &

image

)

[0]

[1]

Variable Documentation

averageWordLength

QFuture<int> averageWordLength = QtConcurrent::mappedReduced(strings, &QString::length, computeAverage)

bgrImages

QFuture<QImage> bgrImages = QtConcurrent::mapped(images, &QImage::rgbSwapped)

collage

QImage collage = QtConcurrent::mappedReduced(images, scaled, addToCollage)

future

QList<QImage> future = QtConcurrent::map(images, scale)

images

QList<QImage> images = ...

[5]

[11]

[6]

[7]

[13]

scale

std::function<QImage(const QImage &)> scale

Initial value:

= [](const QImage &img) {
    return img.scaledToWidth(100, Qt::SmoothTransformation);
}

squeezedStrings

QFuture<void> squeezedStrings = QtConcurrent::map(strings, &QString::squeeze)

strings

QStringList strings = ...

[7]

[8]

thumbnail

V const QImage& thumbnail

Initial value:

{
    QPainter p(&collage)

thumbnails

QFuture< QImage > thumbnails = QtConcurrent::mapped(images, scaled)

thumbNails

QFuture<QImage> thumbNails

Initial value:

=
  QtConcurrent::mappedReduced<QImage>(images,
                                      Scaled(100),
                                      ImageTransform(),
                                      QtConcurrent::SequentialReduce)

totalColorDistribution

QFuture<QSet<int> > totalColorDistribution = QtConcurrent::mappedReduced(images, colorDistribution, QSet<int>::insert)

wordLengths

QFuture<QSet<int> > wordLengths = QtConcurrent::mappedReduced(strings, &QString::length, &QSet<int>::insert)