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otk::Surface Class Reference

#include <surface.hh>

Collaboration diagram for otk::Surface:

Collaboration graph
[legend]
List of all members.

Public Methods

 Surface (int screen, const Point &size)
virtual ~Surface ()
int screen (void) const
virtual const Point & size () const
virtual int width () const
virtual int height () const
virtual Pixmap pixmap () const

Protected Methods

void createObjects ()
void destroyObjects ()
void setPixmap (XImage *image)
void setPixmap (const RenderColor &color)

Private Attributes

int _screen
Point _size
Pixmap _pixmap
XftDraw * _xftdraw

Friends

class RenderControl
class TrueRenderControl
class PseudoRenderControl

Constructor & Destructor Documentation

otk::Surface::Surface (  int    screen,
const Point &    size
) 
 

Definition at line 18 of file surface.cc. 

00019   : _screen(screen),
00020     _size(size),
00021     _pixmap(None),
00022     _xftdraw(0)
00023 {
00024 }

otk::Surface::~Surface (    )  [virtual]
 

Definition at line 26 of file surface.cc.

References destroyObjects(). 

00027 {
00028   destroyObjects();
00029 }

Member Function Documentation

void otk::Surface::createObjects (    )  [protected]
 

Definition at line 52 of file surface.cc.

References _pixmap, _size, _xftdraw, otk::ScreenInfo::colormap(), otk::ScreenInfo::depth(), otk::display, otk::ScreenInfo::rootWindow(), otk::Display::screenInfo(), otk::ScreenInfo::visual(), otk::Point::x(), and otk::Point::y().

Referenced by setPixmap(). 

00053 {
00054   assert(_pixmap == None); assert(!_xftdraw);
00055 
00056   const ScreenInfo *info = display->screenInfo(_screen);
00057   
00058   _pixmap = XCreatePixmap(**display, info->rootWindow(),
00059                           _size.x(), _size.y(), info->depth());
00060   assert(_pixmap != None);
00061     
00062   _xftdraw = XftDrawCreate(**display, _pixmap,
00063                            info->visual(), info->colormap());
00064   assert(_xftdraw);
00065 }

void otk::Surface::destroyObjects (    )  [protected]
 

Definition at line 67 of file surface.cc.

References _pixmap, and _xftdraw.

Referenced by ~Surface(). 

00068 {
00069   if (_xftdraw) {
00070     XftDrawDestroy(_xftdraw);
00071     _xftdraw = 0;
00072   }
00073 
00074   if (_pixmap != None) {
00075     XFreePixmap(**display, _pixmap);
00076     _pixmap = None;
00077   }
00078 }

virtual int otk::Surface::height (  void    )  const [inline, virtual]
 

Definition at line 41 of file surface.hh.

References otk::Point::y().

Referenced by otk::TrueRenderControl::crossDiagonalGradient(), otk::TrueRenderControl::diagonalGradient(), otk::TrueRenderControl::drawGradientBackground(), otk::RenderControl::drawSolidBackground(), and otk::TrueRenderControl::verticalGradient(). 

00041 { return _size.y(); }

virtual Pixmap otk::Surface::pixmap (    )  const [inline, virtual]
 

Definition at line 43 of file surface.hh.

Referenced by otk::RenderControl::drawSolidBackground(), and otk::Widget::render(). 

00043 { return _pixmap; }

int otk::Surface::screen (  void    )  const [inline]
 

Definition at line 37 of file surface.hh. 

00037 { return _screen; }

void otk::Surface::setPixmap (  const RenderColor &    color )  [protected]
 

Definition at line 31 of file surface.cc.

References _pixmap, _size, createObjects(), otk::RenderColor::gc(), otk::Point::x(), and otk::Point::y(). 

00032 {
00033   if (_pixmap == None)
00034     createObjects();
00035 
00036   XFillRectangle(**display, _pixmap, color.gc(), 0, 0,
00037                  _size.x(), _size.y());
00038 }

void otk::Surface::setPixmap (  XImage *    image )  [protected]
 

Definition at line 40 of file surface.cc.

References _pixmap, _size, createObjects(), otk::Point::x(), and otk::Point::y().

Referenced by otk::TrueRenderControl::drawGradientBackground(), and otk::RenderControl::drawSolidBackground(). 

00041 {
00042   assert(image->width == _size.x());
00043   assert(image->height == _size.y());
00044   
00045   if (_pixmap == None)
00046     createObjects();
00047 
00048   XPutImage(**display, _pixmap, DefaultGC(**display, _screen),
00049             image, 0, 0, 0, 0, _size.x(), _size.y());
00050 }

virtual const Point& otk::Surface::size (    )  const [inline, virtual]
 

Definition at line 39 of file surface.hh. 

00039 { return _size; }

virtual int otk::Surface::width (  void    )  const [inline, virtual]
 

Definition at line 40 of file surface.hh.

References otk::Point::x().

Referenced by otk::TrueRenderControl::crossDiagonalGradient(), otk::TrueRenderControl::diagonalGradient(), otk::TrueRenderControl::drawGradientBackground(), otk::RenderControl::drawSolidBackground(), and otk::TrueRenderControl::verticalGradient(). 

00040 { return _size.x(); }

Friends And Related Function Documentation

friend class PseudoRenderControl [friend]
 

Definition at line 49 of file surface.hh.

friend class RenderControl [friend]
 

Definition at line 47 of file surface.hh.

friend class TrueRenderControl [friend]
 

Definition at line 48 of file surface.hh.

Member Data Documentation

Pixmap otk::Surface::_pixmap [private]
 

Definition at line 23 of file surface.hh.

Referenced by createObjects(), destroyObjects(), and setPixmap().

int otk::Surface::_screen [private]
 

Definition at line 21 of file surface.hh.

Referenced by otk::TrueRenderControl::drawBackground(), otk::PseudoRenderControl::drawBackground(), otk::RenderControl::drawSolidBackground(), and otk::RenderControl::drawString().

Point otk::Surface::_size [private]
 

Definition at line 22 of file surface.hh.

Referenced by createObjects(), and setPixmap().

XftDraw* otk::Surface::_xftdraw [private]
 

Definition at line 24 of file surface.hh.

Referenced by createObjects(), destroyObjects(), and otk::RenderControl::drawString().

The documentation for this class was generated from the following files:
Generated on Tue Feb 4 23:00:29 2003 for Openbox by doxygen1.3-rc2