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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QPlatformPixmap Class Referenceabstract

The QPlatformPixmap class provides an abstraction for native pixmaps. More...

#include <qplatformpixmap.h>

Inheritance diagram for QPlatformPixmap:
Collaboration diagram for QPlatformPixmap:

Public Types

enum  PixelType { PixmapType , BitmapType }
enum  ClassId {
  RasterClass , DirectFBClass , BlitterClass , Direct2DClass ,
  X11Class , CustomClass = 1024
}

Public Member Functions

 QPlatformPixmap (PixelType pixelType, int classId)
virtual ~QPlatformPixmap ()
virtual QPlatformPixmap * createCompatiblePlatformPixmap () const
virtual void resize (int width, int height)=0
virtual void fromImage (const QImage &image, Qt::ImageConversionFlags flags)=0
virtual void fromImageInPlace (QImage &image, Qt::ImageConversionFlags flags)
virtual void fromImageReader (QImageReader *imageReader, Qt::ImageConversionFlags flags)
virtual bool fromFile (const QString &filename, const char *format, Qt::ImageConversionFlags flags)
virtual bool fromData (const uchar *buffer, uint len, const char *format, Qt::ImageConversionFlags flags)
virtual void copy (const QPlatformPixmap *data, const QRect &rect)
virtual bool scroll (int dx, int dy, const QRect &rect)
virtual int metric (QPaintDevice::PaintDeviceMetric metric) const =0
virtual void fill (const QColor &color)=0
virtual QBitmap mask () const
virtual void setMask (const QBitmap &mask)
virtual bool hasAlphaChannel () const =0
virtual QPixmap transformed (const QTransform &matrix, Qt::TransformationMode mode) const
virtual QImage toImage () const =0
virtual QImage toImage (const QRect &rect) const
virtual QPaintEngine * paintEngine () const =0
int serialNumber () const
PixelType pixelType () const
ClassId classId () const
virtual qreal devicePixelRatio () const =0
virtual void setDevicePixelRatio (qreal scaleFactor)=0
virtual QImage * buffer ()
int width () const
int height () const
int colorCount () const
int depth () const
bool isNull () const
qint64 cacheKey () const

Static Public Member Functions

static QPlatformPixmap * create (int w, int h, PixelType type)

Protected Member Functions

void setSerialNumber (int serNo)
void setDetachNumber (int detNo)

Protected Attributes

int w
int h
int d
bool is_null

Friends

class QPixmap
class QX11PlatformPixmap
class QImagePixmapCleanupHooks
class QOpenGLTextureCache
class QExplicitlySharedDataPointer< QPlatformPixmap >

Detailed Description

The QPlatformPixmap class provides an abstraction for native pixmaps.

Since
5.0

\preliminary

Definition at line 25 of file qplatformpixmap.h.

Member Enumeration Documentation

◆ ClassId

enum QPlatformPixmap::ClassId
Enumerator
RasterClass 
DirectFBClass 
BlitterClass 
Direct2DClass 
X11Class 
CustomClass 

Definition at line 34 of file qplatformpixmap.h.

◆ PixelType

enum QPlatformPixmap::PixelType
Enumerator
PixmapType 
BitmapType 

Definition at line 28 of file qplatformpixmap.h.

Constructor & Destructor Documentation

◆ QPlatformPixmap()

QPlatformPixmap::QPlatformPixmap ( PixelType pixelType,
int classId )

Definition at line 34 of file qplatformpixmap.cpp.

◆ ~QPlatformPixmap()

QPlatformPixmap::~QPlatformPixmap ( )
virtual

Definition at line 48 of file qplatformpixmap.cpp.

Member Function Documentation

◆ buffer()

QImage * QPlatformPixmap::buffer ( )
virtual

Reimplemented in QBlittablePlatformPixmap, and QRasterPlatformPixmap.

Definition at line 231 of file qplatformpixmap.cpp.

◆ cacheKey()

qint64 QPlatformPixmap::cacheKey ( ) const
inline

Definition at line 92 of file qplatformpixmap.h.

◆ classId()

ClassId QPlatformPixmap::classId ( ) const
inline

Definition at line 80 of file qplatformpixmap.h.

◆ colorCount()

int QPlatformPixmap::colorCount ( ) const
inline

Definition at line 89 of file qplatformpixmap.h.

◆ copy()

void QPlatformPixmap::copy ( const QPlatformPixmap * data,
const QRect & rect )
virtual

Reimplemented in QRasterPlatformPixmap, and QX11PlatformPixmap.

Definition at line 117 of file qplatformpixmap.cpp.

◆ create()

QPlatformPixmap * QPlatformPixmap::create ( int w,
int h,
PixelType type )
static

Definition at line 23 of file qplatformpixmap.cpp.

◆ createCompatiblePlatformPixmap()

QPlatformPixmap * QPlatformPixmap::createCompatiblePlatformPixmap ( ) const
virtual

Reimplemented in QRasterPlatformPixmap, and QX11PlatformPixmap.

Definition at line 62 of file qplatformpixmap.cpp.

◆ depth()

int QPlatformPixmap::depth ( ) const
inline

Definition at line 90 of file qplatformpixmap.h.

◆ devicePixelRatio()

virtual qreal QPlatformPixmap::devicePixelRatio ( ) const
pure virtual

Implemented in QBlittablePlatformPixmap, QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

◆ fill()

virtual void QPlatformPixmap::fill ( const QColor & color)
pure virtual

Implemented in QBlittablePlatformPixmap, QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

◆ fromData()

bool QPlatformPixmap::fromData ( const uchar * buffer,
uint len,
const char * format,
Qt::ImageConversionFlags flags )
virtual

Reimplemented in QRasterPlatformPixmap.

Definition at line 105 of file qplatformpixmap.cpp.

◆ fromFile()

bool QPlatformPixmap::fromFile ( const QString & filename,
const char * format,
Qt::ImageConversionFlags flags )
virtual

Reimplemented in QDirectFbBlitterPlatformPixmap.

Definition at line 95 of file qplatformpixmap.cpp.

◆ fromImage()

virtual void QPlatformPixmap::fromImage ( const QImage & image,
Qt::ImageConversionFlags flags )
pure virtual

Implemented in QBlittablePlatformPixmap, QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

◆ fromImageInPlace()

virtual void QPlatformPixmap::fromImageInPlace ( QImage & image,
Qt::ImageConversionFlags flags )
inlinevirtual

Reimplemented in QRasterPlatformPixmap.

Definition at line 46 of file qplatformpixmap.h.

◆ fromImageReader()

void QPlatformPixmap::fromImageReader ( QImageReader * imageReader,
Qt::ImageConversionFlags flags )
virtual

Reimplemented in QRasterPlatformPixmap.

Definition at line 88 of file qplatformpixmap.cpp.

◆ hasAlphaChannel()

virtual bool QPlatformPixmap::hasAlphaChannel ( ) const
pure virtual

Implemented in QBlittablePlatformPixmap, QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

◆ height()

int QPlatformPixmap::height ( ) const
inline

Definition at line 88 of file qplatformpixmap.h.

◆ isNull()

bool QPlatformPixmap::isNull ( ) const
inline

Definition at line 91 of file qplatformpixmap.h.

◆ mask()

QBitmap QPlatformPixmap::mask ( ) const
virtual

Reimplemented in QX11PlatformPixmap.

Definition at line 130 of file qplatformpixmap.cpp.

◆ metric()

virtual int QPlatformPixmap::metric ( QPaintDevice::PaintDeviceMetric metric) const
pure virtual

Implemented in QBlittablePlatformPixmap, QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

◆ paintEngine()

virtual QPaintEngine * QPlatformPixmap::paintEngine ( ) const
pure virtual

Implemented in QBlittablePlatformPixmap, QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

◆ pixelType()

PixelType QPlatformPixmap::pixelType ( ) const
inline

Definition at line 79 of file qplatformpixmap.h.

◆ resize()

virtual void QPlatformPixmap::resize ( int width,
int height )
pure virtual

Implemented in QBlittablePlatformPixmap, QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

◆ scroll()

bool QPlatformPixmap::scroll ( int dx,
int dy,
const QRect & rect )
virtual

Reimplemented in QRasterPlatformPixmap, and QX11PlatformPixmap.

Definition at line 122 of file qplatformpixmap.cpp.

◆ serialNumber()

int QPlatformPixmap::serialNumber ( ) const
inline

Definition at line 77 of file qplatformpixmap.h.

◆ setDetachNumber()

void QPlatformPixmap::setDetachNumber ( int detNo)
protected

Definition at line 218 of file qplatformpixmap.cpp.

◆ setDevicePixelRatio()

virtual void QPlatformPixmap::setDevicePixelRatio ( qreal scaleFactor)
pure virtual

Implemented in QBlittablePlatformPixmap, QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

◆ setMask()

void QPlatformPixmap::setMask ( const QBitmap & mask)
virtual

Reimplemented in QX11PlatformPixmap.

Definition at line 166 of file qplatformpixmap.cpp.

◆ setSerialNumber()

void QPlatformPixmap::setSerialNumber ( int serNo)
protected

Definition at line 213 of file qplatformpixmap.cpp.

◆ toImage() [1/2]

virtual QImage QPlatformPixmap::toImage ( ) const
pure virtual

Implemented in QBlittablePlatformPixmap, QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

◆ toImage() [2/2]

QImage QPlatformPixmap::toImage ( const QRect & rect) const
virtual

Reimplemented in QRasterPlatformPixmap, QWindowsDirect2DPlatformPixmap, and QX11PlatformPixmap.

Definition at line 223 of file qplatformpixmap.cpp.

◆ transformed()

QPixmap QPlatformPixmap::transformed ( const QTransform & matrix,
Qt::TransformationMode mode ) const
virtual

Reimplemented in QX11PlatformPixmap.

Definition at line 207 of file qplatformpixmap.cpp.

◆ width()

int QPlatformPixmap::width ( ) const
inline

Definition at line 87 of file qplatformpixmap.h.

◆ QExplicitlySharedDataPointer< QPlatformPixmap >

friend class QExplicitlySharedDataPointer< QPlatformPixmap >
friend

Definition at line 116 of file qplatformpixmap.h.

◆ QImagePixmapCleanupHooks

friend class QImagePixmapCleanupHooks
friend

Definition at line 115 of file qplatformpixmap.h.

◆ QOpenGLTextureCache

friend class QOpenGLTextureCache
friend

Definition at line 116 of file qplatformpixmap.h.

◆ QPixmap

friend class QPixmap
friend

Definition at line 113 of file qplatformpixmap.h.

◆ QX11PlatformPixmap

friend class QX11PlatformPixmap
friend

Definition at line 114 of file qplatformpixmap.h.

Member Data Documentation

◆ d

int QPlatformPixmap::d
protected

Definition at line 109 of file qplatformpixmap.h.

◆ h

int QPlatformPixmap::h
protected

Definition at line 108 of file qplatformpixmap.h.

◆ is_null

bool QPlatformPixmap::is_null
protected

Definition at line 110 of file qplatformpixmap.h.

◆ w

int QPlatformPixmap::w
protected

Definition at line 107 of file qplatformpixmap.h.

The documentation for this class was generated from the following files: