#include <shivavgwindowsurface.h>

Inheritance diagram for ShivaVGWindowSurface:

Public Functions
void	beginPaint (const QRegion &region)
	This function is called before painting onto the surface begins, with the region in which the painting will occur. More...

void	endPaint (const QRegion &region)
	This function is called after painting onto the surface has ended, with the region in which the painting was performed. More...

void	flush (QWidget *widget, const QRegion &region, const QPoint &offset)
	Flushes the given region from the specified widget onto the screen. More...

QPaintDevice *	paintDevice ()
	Implement this function to return the appropriate paint device. More...

QPaintEngine *	paintEngine () const

bool	scroll (const QRegion &area, int dx, int dy)
	Scrolls the given area dx pixels to the right and dy downward; both dx and dy may be negative. More...

void	setGeometry (const QRect &rect)
	Sets the currently allocated area to be the given rect. More...

	ShivaVGWindowSurface (QWidget *window)

virtual	~ShivaVGWindowSurface ()

Public Functions inherited from QWindowSurface
virtual QImage *	buffer (const QWidget *widget)
	Returns a QImage pointer which represents the actual buffer the widget is drawn into or 0 if this is unavailable. More...

virtual WindowSurfaceFeatures	features () const

QRect	geometry () const
	Returns the currently allocated area on the screen. More...

virtual QPixmap	grabWidget (const QWidget *widget, const QRect &rectangle=QRect()) const
	Returns a QPixmap generated from the part of the backing store corresponding to widget. More...

bool	hasFeature (WindowSurfaceFeature feature) const

virtual QPoint	offset (const QWidget *widget) const
	Returns the offset of widget in the coordinates of this window surface. More...

	QWindowSurface (QWidget *window, bool setDefaultSurface=true)
	Constructs an empty surface for the given top-level window. More...

QRect	rect (const QWidget *widget) const
	Returns the rectangle for widget in the coordinates of this window surface. More...

void	setStaticContents (const QRegion &region)

QRegion	staticContents () const

QWidget *	window () const
	Returns a pointer to the top-level window associated with this surface. More...

virtual	~QWindowSurface ()
	Destroys this surface. More...

Public Functions inherited from QPaintDevice
int	colorCount () const

int	depth () const

virtual int	devType () const

virtual HDC	getDC () const

int	height () const

int	heightMM () const

int	logicalDpiX () const

int	logicalDpiY () const

QT_DEPRECATED int	numColors () const

bool	paintingActive () const

int	physicalDpiX () const

int	physicalDpiY () const

virtual void	releaseDC (HDC hdc) const

int	width () const

int	widthMM () const

virtual	~QPaintDevice ()

Protected Functions
int	metric (PaintDeviceMetric metric) const

Protected Functions inherited from QWindowSurface
bool	hasStaticContents () const

Protected Functions inherited from QPaintDevice
	QPaintDevice ()

Properties
ShivaVGWindowSurfacePrivate *	d_ptr

Additional Inherited Members
Public Types inherited from QWindowSurface
enum	WindowSurfaceFeature { PartialUpdates = 0x00000001, PreservedContents = 0x00000002, StaticContents = 0x00000004, AllFeatures = 0xffffffff }

Public Types inherited from QPaintDevice
enum	PaintDeviceMetric { PdmWidth = 1, PdmHeight, PdmWidthMM, PdmHeightMM, PdmNumColors, PdmDepth, PdmDpiX, PdmDpiY, PdmPhysicalDpiX, PdmPhysicalDpiY }

Static Public Functions inherited from QPaintDevice
static QWSDisplay *	qwsDisplay ()

Protected Variables inherited from QPaintDevice
ushort	painters

Related Functions inherited from QPaintDevice
const Q_GUI_EXPORT QX11Info *	qt_x11Info (const QPaintDevice *pd)
	Returns the QX11Info structure for the pd paint device. More...

Detailed Description

Definition at line 51 of file shivavgwindowsurface.h.

Constructors and Destructors

◆ ShivaVGWindowSurface()

ShivaVGWindowSurface::ShivaVGWindowSurface ( QWidget * window )

Definition at line 252 of file shivavgwindowsurface.cpp.

     : QWindowSurface(window), d_ptr(new ShivaVGWindowSurfacePrivate)
 {
 }

◆ ~ShivaVGWindowSurface()

ShivaVGWindowSurface::~ShivaVGWindowSurface ( )

virtual

Definition at line 257 of file shivavgwindowsurface.cpp.

 {
     if (d_ptr->isCurrent) {
         shivaContext()->doneCurrent();
         glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
     }
 #if defined(Q_WS_X11)
     if (d_ptr->context)
         glXDestroyContext(X11->display, d_ptr->context);
 #endif
     delete d_ptr;
 }

Functions

◆ beginPaint()

void ShivaVGWindowSurface::beginPaint ( const QRegion & region )

virtual

This function is called before painting onto the surface begins, with the region in which the painting will occur.

See also: endPaint(), paintDevice()

Reimplemented from QWindowSurface.

Definition at line 332 of file shivavgwindowsurface.cpp.

 {
     // Nothing to do here.
     Q_UNUSED(region);
 }

◆ endPaint()

void ShivaVGWindowSurface::endPaint ( const QRegion & region )

virtual

This function is called after painting onto the surface has ended, with the region in which the painting was performed.

See also: beginPaint(), paintDevice()

Reimplemented from QWindowSurface.

Definition at line 338 of file shivavgwindowsurface.cpp.

 {
     // Nothing to do here.
     Q_UNUSED(region);
 }

◆ flush()

void ShivaVGWindowSurface::flush	(	QWidget *	widget,
		const QRegion &	region,
		const QPoint &	offset
	)

virtual

Flushes the given region from the specified widget onto the screen.

Note that the offset parameter is currently unused.

Implements QWindowSurface.

Definition at line 279 of file shivavgwindowsurface.cpp.

 {
     Q_UNUSED(region);
     Q_UNUSED(offset);
     QWidget *parent = widget->internalWinId() ? widget : widget->nativeParentWidget();
     d_ptr->ensureContext(parent);
     QShivaContext *context = shivaContext();
     if (!d_ptr->isCurrent)
         context->makeCurrent(d_ptr);
 #if defined(QVG_USE_FBO)
     glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
     if (d_ptr->fbo) {
         static GLfloat const vertices[][2] = {
             {-1, -1}, {1, -1}, {1, 1}, {-1, 1}
         };
         static GLfloat const texCoords[][2] = {
             {0, 0}, {1, 0}, {1, 1}, {0, 1}
         };
         glMatrixMode(GL_PROJECTION);
         glLoadIdentity();
         glMatrixMode(GL_MODELVIEW);
         glLoadIdentity();
         glVertexPointer(2, GL_FLOAT, 0, vertices);
         glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
         glBindTexture(GL_TEXTURE_2D, d_ptr->texture);
         glEnable(GL_TEXTURE_2D);
         glEnableClientState(GL_VERTEX_ARRAY);
         glEnableClientState(GL_TEXTURE_COORD_ARRAY);
         glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
         glDisableClientState(GL_TEXTURE_COORD_ARRAY);
         glDisableClientState(GL_VERTEX_ARRAY);
         glDisable(GL_TEXTURE_2D);
         glBindTexture(GL_TEXTURE_2D, 0);
     }
 #endif
 #if defined(Q_WS_X11)
     glXSwapBuffers(X11->display, d_ptr->drawable);
 #endif
     context->doneCurrent();
 }

◆ metric()

int ShivaVGWindowSurface::metric ( PaintDeviceMetric metric ) const

protectedvirtual

Reimplemented from QPaintDevice.

Definition at line 353 of file shivavgwindowsurface.cpp.

 {
     return qt_paint_device_metric(window(), met);
 }

◆ paintDevice()

QPaintDevice * ShivaVGWindowSurface::paintDevice ( )

virtual

Implement this function to return the appropriate paint device.

Implements QWindowSurface.

Definition at line 270 of file shivavgwindowsurface.cpp.

 {
     d_ptr->ensureContext(window());
     shivaContext()->makeCurrent(d_ptr);
     glClearDepth(0.0f);
     glClear(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
     return this;
 }

◆ paintEngine()

QPaintEngine * ShivaVGWindowSurface::paintEngine ( ) const

virtual

Implements QPaintDevice.

Definition at line 346 of file shivavgwindowsurface.cpp.

 {
     if (!d_ptr->engine)
         d_ptr->engine = sharedPaintEngine();
     return d_ptr->engine;
 }

◆ scroll()

bool ShivaVGWindowSurface::scroll	(	const QRegion &	area,
		int	dx,
		int	dy
	)

virtual

Scrolls the given area dx pixels to the right and dy downward; both dx and dy may be negative.

Returns true if the area was scrolled successfully; false otherwise.

Reimplemented from QWindowSurface.

Definition at line 327 of file shivavgwindowsurface.cpp.

 {
     return QWindowSurface::scroll(area, dx, dy);
 }

◆ setGeometry()

void ShivaVGWindowSurface::setGeometry ( const QRect & rect )

virtual

Sets the currently allocated area to be the given rect.

This function is called whenever area covered by the top-level window changes.

See also: geometry()

Reimplemented from QWindowSurface.

Definition at line 320 of file shivavgwindowsurface.cpp.

 {
     QWindowSurface::setGeometry(rect);
     d_ptr->needsResize = true;
     d_ptr->size = rect.size();
 }

Properties

◆ d_ptr

ShivaVGWindowSurfacePrivate* ShivaVGWindowSurface::d_ptr

private

Definition at line 71 of file shivavgwindowsurface.h.

Referenced by flush(), paintDevice(), paintEngine(), setGeometry(), and ~ShivaVGWindowSurface().

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

/src/plugins/graphicssystems/shivavg/shivavgwindowsurface.h
/src/plugins/graphicssystems/shivavg/shivavgwindowsurface.cpp

Public Functions

Protected Functions

Properties

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ ShivaVGWindowSurface()

◆ ~ShivaVGWindowSurface()

Functions

◆ beginPaint()

◆ endPaint()

◆ flush()

◆ metric()

◆ paintDevice()

◆ paintEngine()

◆ scroll()

◆ setGeometry()

Properties

◆ d_ptr