Qt 4.8
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Public Functions | |
bool | begin (QPaintDevice *device) |
Reimplement this function to initialise your paint engine when painting is to start on the paint device pdev. More... | |
void | drawPixmap (const QPointF &p, const QPixmap &pm) |
void | drawPixmap (const QRectF &r, const QPixmap &pm, const QRectF &sr) |
Reimplement this function to draw the part of the pm specified by the sr rectangle in the given r. More... | |
bool | end () |
Reimplement this function to finish painting on the current paint device. More... | |
QVolatileImagePaintEngine (QPaintDevice *device, QVolatileImage *img) | |
Public Functions inherited from QRasterPaintEngine | |
void | alphaPenBlt (const void *src, int bpl, int depth, int rx, int ry, int w, int h) |
bool | begin (QPaintDevice *device) |
Reimplemented Function More... | |
void | brushChanged () |
void | brushOriginChanged () |
void | clip (const QVectorPath &path, Qt::ClipOperation op) |
void | clip (const QRect &rect, Qt::ClipOperation op) |
void | clip (const QRegion ®ion, Qt::ClipOperation op) |
QRect | clipBoundingRect () const |
Returns the bounding rect of the currently set clip. More... | |
void | clipEnabledChanged () |
ClipType | clipType () const |
Returns the type of the clip currently set. More... | |
void | compositionModeChanged () |
QPoint | coordinateOffset () const |
QPainterState * | createState (QPainterState *orig) const |
virtual void | drawBufferSpan (const uint *buffer, int bufsize, int x, int y, int length, uint const_alpha) |
Draws the given buffer. More... | |
virtual void | drawColorSpans (const QSpan *spans, int count, uint color) |
Draws the given color spans with the specified color. More... | |
void | drawEllipse (const QRectF &rect) |
Reimplemented Function More... | |
void | drawImage (const QPointF &p, const QImage &img) |
void | drawImage (const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags falgs=Qt::AutoColor) |
Reimplemented Function More... | |
void | drawLines (const QLine *line, int lineCount) |
Reimplemented Function More... | |
void | drawLines (const QLineF *line, int lineCount) |
Reimplemented Function More... | |
void | drawPixmap (const QPointF &p, const QPixmap &pm) |
void | drawPixmap (const QRectF &r, const QPixmap &pm, const QRectF &sr) |
Reimplemented Function More... | |
void | drawPoints (const QPointF *points, int pointCount) |
Reimplemented Function More... | |
void | drawPoints (const QPoint *points, int pointCount) |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Draws the first pointCount points in the buffer points. More... | |
void | drawPolygon (const QPointF *points, int pointCount, PolygonDrawMode mode) |
Reimplemented Function More... | |
void | drawPolygon (const QPoint *points, int pointCount, PolygonDrawMode mode) |
Reimplemented Function More... | |
void | drawRects (const QRect *rects, int rectCount) |
Reimplemented Function More... | |
void | drawRects (const QRectF *rects, int rectCount) |
Reimplemented Function More... | |
void | drawStaticTextItem (QStaticTextItem *textItem) |
Reimplemented Function More... | |
void | drawTextItem (const QPointF &p, const QTextItem &textItem) |
Reimplemented Function More... | |
void | drawTiledPixmap (const QRectF &r, const QPixmap &pm, const QPointF &sr) |
Reimplemented Function More... | |
bool | end () |
Reimplemented Function More... | |
void | fill (const QVectorPath &path, const QBrush &brush) |
void | fillPath (const QPainterPath &path, QSpanData *fillData) |
void | fillPolygon (const QPointF *points, int pointCount, PolygonDrawMode mode) |
void | fillRect (const QRectF &rect, const QBrush &brush) |
Reimplemented Function More... | |
void | fillRect (const QRectF &rect, const QColor &color) |
Reimplemented Function More... | |
CGContextRef | getCGContext () const |
HDC | getDC () const |
void | opacityChanged () |
void | penChanged () |
QRasterPaintEngine (QPaintDevice *device) | |
Creates a raster based paint engine for operating on the given device, with the complete set of QPaintEngine::PaintEngineFeature {paint engine features and capabilities}. More... | |
void | releaseBuffer () |
void | releaseDC (HDC hdc) const |
void | renderHintsChanged () |
void | saveBuffer (const QString &s) const |
void | setCGContext (CGContextRef ref) |
void | setDC (HDC hdc) |
void | setState (QPainterState *s) |
QSize | size () const |
QRasterPaintEngineState * | state () |
const QRasterPaintEngineState * | state () const |
void | stroke (const QVectorPath &path, const QPen &pen) |
bool | supportsTransformations (const QFontEngine *fontEngine) const |
bool | supportsTransformations (qreal pixelSize, const QTransform &m) const |
void | transformChanged () |
Type | type () const |
Reimplemented Function More... | |
void | updateBrush (const QBrush &brush) |
void | updateMatrix (const QTransform &matrix) |
void | updatePen (const QPen &pen) |
~QRasterPaintEngine () | |
Destroys this paint engine. More... | |
Public Functions inherited from QPaintEngineEx | |
virtual void | beginNativePainting () |
virtual void | clip (const QPainterPath &path, Qt::ClipOperation op) |
virtual void | draw (const QVectorPath &path) |
virtual void | drawEllipse (const QRect &r) |
The default implementation of this function calls the floating point version of this function. More... | |
virtual void | drawPath (const QPainterPath &path) |
The default implementation ignores the path and does nothing. More... | |
virtual void | drawPixmapFragments (const QPainter::PixmapFragment *fragments, int fragmentCount, const QPixmap &pixmap, QPainter::PixmapFragmentHints hints) |
virtual void | drawPixmapFragments (const QRectF *targetRects, const QRectF *sourceRects, int fragmentCount, const QPixmap &pixmap, QPainter::PixmapFragmentHints hints) |
virtual void | drawRoundedRect (const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode) |
virtual void | endNativePainting () |
virtual uint | flags () const |
virtual QPixmapFilter * | pixmapFilter (int, const QPixmapFilter *) |
QPaintEngineEx () | |
QPainterState * | state () |
const QPainterState * | state () const |
virtual void | sync () |
virtual void | updateState (const QPaintEngineState &state) |
Reimplement this function to update the state of a paint engine. More... | |
Public Functions inherited from QPaintEngine | |
void | clearDirty (DirtyFlags df) |
void | fix_neg_rect (int *x, int *y, int *w, int *h) |
bool | hasFeature (PaintEngineFeatures feature) const |
Returns true if the paint engine supports the specified feature; otherwise returns false. More... | |
bool | isActive () const |
Returns true if the paint engine is actively drawing; otherwise returns false. More... | |
bool | isExtended () const |
Returns true if the paint engine is a QPaintEngineEx derivative. More... | |
QPaintDevice * | paintDevice () const |
Returns the device that this engine is painting on, if painting is active; otherwise returns 0. More... | |
QPainter * | painter () const |
Returns the paint engine's painter. More... | |
QPaintEngine (PaintEngineFeatures features=0) | |
Creates a paint engine with the featureset specified by caps. More... | |
void | setActive (bool newState) |
Sets the active state of the paint engine to state. More... | |
void | setDirty (DirtyFlags df) |
void | setPaintDevice (QPaintDevice *device) |
void | setSystemClip (const QRegion &baseClip) |
Sets the system clip for this engine. More... | |
void | setSystemRect (const QRect &rect) |
Sets the target rect for drawing within the backing store. More... | |
void | syncState () |
Updates all dirty states in this engine. More... | |
QRegion | systemClip () const |
Returns the system clip. More... | |
QRect | systemRect () const |
Retrieves the rect for drawing within the backing store. More... | |
bool | testDirty (DirtyFlags df) |
virtual | ~QPaintEngine () |
Destroys the paint engine. More... | |
Additional Inherited Members | |
Public Types inherited from QRasterPaintEngine | |
enum | ClipType { RectClip, ComplexClip } |
Public Types inherited from QPaintEngineEx | |
enum | Flags { DoNotEmulate = 0x01, IsEmulationEngine = 0x02 } |
Public Types inherited from QPaintEngine | |
enum | DirtyFlag { DirtyPen = 0x0001, DirtyBrush = 0x0002, DirtyBrushOrigin = 0x0004, DirtyFont = 0x0008, DirtyBackground = 0x0010, DirtyBackgroundMode = 0x0020, DirtyTransform = 0x0040, DirtyClipRegion = 0x0080, DirtyClipPath = 0x0100, DirtyHints = 0x0200, DirtyCompositionMode = 0x0400, DirtyClipEnabled = 0x0800, DirtyOpacity = 0x1000, AllDirty = 0xffff } |
QPaintEngine::updateState(). More... | |
enum | PaintEngineFeature { PrimitiveTransform = 0x00000001, PatternTransform = 0x00000002, PixmapTransform = 0x00000004, PatternBrush = 0x00000008, LinearGradientFill = 0x00000010, RadialGradientFill = 0x00000020, ConicalGradientFill = 0x00000040, AlphaBlend = 0x00000080, PorterDuff = 0x00000100, PainterPaths = 0x00000200, Antialiasing = 0x00000400, BrushStroke = 0x00000800, ConstantOpacity = 0x00001000, MaskedBrush = 0x00002000, PerspectiveTransform = 0x00004000, BlendModes = 0x00008000, ObjectBoundingModeGradients = 0x00010000, RasterOpModes = 0x00020000, PaintOutsidePaintEvent = 0x20000000, AllFeatures = 0xffffffff } |
This enum is used to describe the features or capabilities that the paint engine has. More... | |
enum | PolygonDrawMode { OddEvenMode, WindingMode, ConvexMode, PolylineMode } |
enum | Type { X11, Windows, QuickDraw, CoreGraphics, MacPrinter, QWindowSystem, PostScript, OpenGL, Picture, SVG, Raster, Direct3D, Pdf, OpenVG, OpenGL2, PaintBuffer, Blitter, User = 50, MaxUser = 100 } |
Protected Functions inherited from QRasterPaintEngine | |
QRasterPaintEngine (QRasterPaintEnginePrivate &d, QPaintDevice *) | |
Protected Functions inherited from QPaintEngineEx | |
QPaintEngineEx (QPaintEngineExPrivate &data) | |
Protected Functions inherited from QPaintEngine | |
QPaintEngine (QPaintEnginePrivate &data, PaintEngineFeatures devcaps=0) | |
Protected Variables inherited from QPaintEngine | |
uint | active: 1 |
QScopedPointer< QPaintEnginePrivate > | d_ptr |
uint | extended: 1 |
PaintEngineFeatures | gccaps |
uint | selfDestruct: 1 |
QPaintEngineState * | state |
Related Functions inherited from QRasterPaintEngine | |
QSpan | |
A struct equivalent to QT_FT_Span, containing a position (x, y), the span's length in pixels and its color/coverage (a value ranging from 0 to 255). More... | |
Definition at line 56 of file qvolatileimage.cpp.
QVolatileImagePaintEngine::QVolatileImagePaintEngine | ( | QPaintDevice * | device, |
QVolatileImage * | img | ||
) |
Definition at line 275 of file qvolatileimage.cpp.
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Reimplement this function to initialise your paint engine when painting is to start on the paint device pdev.
Return true if the initialization was successful; otherwise return false.
Implements QPaintEngine.
Definition at line 283 of file qvolatileimage.cpp.
Reimplemented from QPaintEngineEx.
Definition at line 301 of file qvolatileimage.cpp.
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Reimplement this function to draw the part of the pm specified by the sr rectangle in the given r.
Implements QPaintEngineEx.
Definition at line 320 of file qvolatileimage.cpp.
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Reimplement this function to finish painting on the current paint device.
Return true if painting was finished successfully; otherwise return false.
Implements QPaintEngine.
Definition at line 290 of file qvolatileimage.cpp.