4#ifndef QJPEGHANDLER_P_H
5#define QJPEGHANDLER_P_H
18#include <QtGui/qimageiohandler.h>
19#include <QtCore/QSize>
20#include <QtCore/QRect>
35 static bool canRead(QIODevice *device);
ImageOption
This enum describes the different options supported by QImageIOHandler.
bool supportsOption(ImageOption option) const override
Returns true if the QImageIOHandler supports the option option; otherwise returns false.
bool read(QImage *image) override
Read an image from the device, and stores it in image.
void setOption(ImageOption option, const QVariant &value) override
Sets the option option with the value value.
QVariant option(ImageOption option) const override
Returns the value assigned to option as a QVariant.
bool write(const QImage &image) override
Writes the image image to the assigned device.
bool canRead() const override
Returns true if an image can be read from the device (i.e., the image format is supported,...
static bool canRead(QIODevice *device)
QImageIOHandler * create(QIODevice *device, const QByteArray &format=QByteArray()) const override
Creates and returns a QImageIOHandler subclass, with device and format set.