office-gobmx/canvas/source/cairo/cairo_xlib_cairo.cxx

352 lines
12 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
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*
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*
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
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* <http://www.openoffice.org/license.html>
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_canvas.hxx"
#include <tools/prex.h>
#include <X11/extensions/Xrender.h>
#include <X11/Xlib.h>
#include <tools/postx.h>
#include "cairo_xlib_cairo.hxx"
#include <vcl/sysdata.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/virdev.hxx>
#include <basegfx/vector/b2isize.hxx>
namespace cairo
{
#include <cairo-xlib.h>
#include <cairo-xlib-xrender.h>
// TODO(F3): svp headless case!
bool IsCairoWorking( OutputDevice* pOutDev )
{
if( !pOutDev )
return false;
Display* pDisplay = (Display*)pOutDev->GetSystemGfxData().pDisplay;
int nDummy;
return XQueryExtension( pDisplay, "RENDER", &nDummy, &nDummy, &nDummy );
}
X11SysData::X11SysData() :
pDisplay(NULL),
hDrawable(0),
pVisual(NULL),
nScreen(0),
nDepth(-1),
aColormap(-1),
pRenderFormat(NULL)
{}
X11SysData::X11SysData( const SystemGraphicsData& pSysDat ) :
pDisplay(pSysDat.pDisplay),
hDrawable(pSysDat.hDrawable),
pVisual(pSysDat.pVisual),
nScreen(pSysDat.nScreen),
nDepth(pSysDat.nDepth),
aColormap(pSysDat.aColormap),
pRenderFormat(pSysDat.pRenderFormat)
{}
X11SysData::X11SysData( const SystemEnvData& pSysDat ) :
pDisplay(pSysDat.pDisplay),
hDrawable(pSysDat.aWindow),
pVisual(pSysDat.pVisual),
nScreen(pSysDat.nScreen),
nDepth(pSysDat.nDepth),
aColormap(pSysDat.aColormap),
pRenderFormat(NULL)
{}
X11Pixmap::~X11Pixmap()
{
if( mpDisplay && mhDrawable )
XFreePixmap( (Display*)mpDisplay, mhDrawable );
}
/**
* Surface::Surface: Create Canvas surface with existing data
* @param pSysData Platform native system environment data (struct SystemEnvData in vcl/inc/sysdata.hxx)
* @param pSurface Cairo surface
*
* pSysData contains the platform native Drawable reference
* This constructor only stores data, it does no processing.
* It is used by e.g. Surface::getSimilar()
*
* Set the mpSurface as pSurface
**/
X11Surface::X11Surface( const X11SysData& rSysData,
const X11PixmapSharedPtr& rPixmap,
const CairoSurfaceSharedPtr& pSurface ) :
maSysData(rSysData),
mpPixmap(rPixmap),
mpSurface(pSurface)
{}
/**
* Surface::Surface: Create generic Canvas surface using given Cairo Surface
*
* @param pSurface Cairo Surface
*
* This constructor only stores data, it does no processing.
* It is used with e.g. cairo_image_surface_create_for_data()
* Unlike other constructors, mpSysData is set to NULL
*
* Set the mpSurface as pSurface
**/
X11Surface::X11Surface( const CairoSurfaceSharedPtr& pSurface ) :
maSysData(),
mpPixmap(),
mpSurface(pSurface)
{}
/**
* Surface::Surface: Create Canvas surface from Window reference.
* @param pSysData Platform native system environment data (struct SystemEnvData in vcl/inc/sysdata.hxx)
* @param x horizontal location of the new surface
* @param y vertical location of the new surface
* @param width width of the new surface
* @param height height of the new surface
*
* pSysData contains the platform native Window reference.
*
* pSysData is used to create a surface on the Window
*
* Set the mpSurface to the new surface or NULL
**/
X11Surface::X11Surface( const X11SysData& rSysData, int x, int y, int width, int height ) :
maSysData(rSysData),
mpPixmap(),
mpSurface(
cairo_xlib_surface_create( (Display*)rSysData.pDisplay,
rSysData.hDrawable,
(Visual*)rSysData.pVisual,
width + x, height + y ),
&cairo_surface_destroy)
{
cairo_surface_set_device_offset(mpSurface.get(), x, y );
}
/**
* Surface::Surface: Create platfrom native Canvas surface from BitmapSystemData
* @param pSysData Platform native system environment data (struct SystemEnvData in vcl/inc/sysdata.hxx)
* @param pBmpData Platform native image data (struct BitmapSystemData in vcl/inc/bitmap.hxx)
* @param width width of the new surface
* @param height height of the new surface
*
* The pBmpData provides the imagedata that the created surface should contain.
*
* Set the mpSurface to the new surface or NULL
**/
X11Surface::X11Surface( const X11SysData& rSysData,
const BitmapSystemData& rData ) :
maSysData( rSysData ),
mpPixmap(),
mpSurface(
cairo_xlib_surface_create( (Display*)rSysData.pDisplay,
(Drawable)rData.aPixmap,
(Visual*) rSysData.pVisual,
rData.mnWidth, rData.mnHeight ),
&cairo_surface_destroy)
{
}
/**
* Surface::getCairo: Create Cairo (drawing object) for the Canvas surface
*
* @return new Cairo or NULL
**/
CairoSharedPtr X11Surface::getCairo() const
{
return CairoSharedPtr( cairo_create(mpSurface.get()),
&cairo_destroy );
}
/**
* Surface::getSimilar: Create new similar Canvas surface
* @param aContent format of the new surface (cairo_content_t from cairo/src/cairo.h)
* @param width width of the new surface
* @param height height of the new surface
*
* Creates a new Canvas surface. This normally creates platform native surface, even though
* generic function is used.
*
* Cairo surface from aContent (cairo_content_t)
*
* @return new surface or NULL
**/
SurfaceSharedPtr X11Surface::getSimilar( Content aContent, int width, int height ) const
{
Pixmap hPixmap;
if( maSysData.pDisplay && maSysData.hDrawable )
{
XRenderPictFormat* pFormat;
int nFormat;
switch (aContent)
{
case CAIRO_CONTENT_ALPHA:
nFormat = PictStandardA8;
break;
case CAIRO_CONTENT_COLOR:
nFormat = PictStandardRGB24;
break;
case CAIRO_CONTENT_COLOR_ALPHA:
default:
nFormat = PictStandardARGB32;
break;
}
pFormat = XRenderFindStandardFormat( (Display*)maSysData.pDisplay, nFormat );
hPixmap = XCreatePixmap( (Display*)maSysData.pDisplay, maSysData.hDrawable,
width > 0 ? width : 1, height > 0 ? height : 1,
pFormat->depth );
X11SysData aSysData(maSysData);
aSysData.pRenderFormat = pFormat;
return SurfaceSharedPtr(
new X11Surface( aSysData,
X11PixmapSharedPtr(
new X11Pixmap(hPixmap, maSysData.pDisplay)),
CairoSurfaceSharedPtr(
cairo_xlib_surface_create_with_xrender_format(
(Display*)maSysData.pDisplay,
hPixmap,
ScreenOfDisplay((Display *)maSysData.pDisplay, maSysData.nScreen),
pFormat, width, height ),
&cairo_surface_destroy) ));
}
else
return SurfaceSharedPtr(
new X11Surface( maSysData,
X11PixmapSharedPtr(),
CairoSurfaceSharedPtr(
cairo_surface_create_similar( mpSurface.get(), aContent, width, height ),
&cairo_surface_destroy )));
}
boost::shared_ptr<VirtualDevice> X11Surface::createVirtualDevice() const
{
SystemGraphicsData aSystemGraphicsData;
aSystemGraphicsData.nSize = sizeof(SystemGraphicsData);
aSystemGraphicsData.hDrawable = getDrawable();
aSystemGraphicsData.pRenderFormat = getRenderFormat();
return boost::shared_ptr<VirtualDevice>(
new VirtualDevice( &aSystemGraphicsData, getDepth() ));
}
/**
* Surface::Resize: Resizes the Canvas surface.
* @param width new width of the surface
* @param height new height of the surface
*
* Only used on X11.
*
* @return The new surface or NULL
**/
void X11Surface::Resize( int width, int height )
{
cairo_xlib_surface_set_size( mpSurface.get(), width, height );
}
void X11Surface::flush() const
{
XSync( (Display*)maSysData.pDisplay, false );
}
/**
* Surface::getDepth: Get the color depth of the Canvas surface.
*
* @return color depth
**/
int X11Surface::getDepth() const
{
if( maSysData.pRenderFormat )
return ((XRenderPictFormat*) maSysData.pRenderFormat)->depth;
return -1;
}
SurfaceSharedPtr createSurface( const CairoSurfaceSharedPtr& rSurface )
{
return SurfaceSharedPtr(new X11Surface(rSurface));
}
static X11SysData getSysData( const Window& rWindow )
{
const SystemEnvData* pSysData = GetSysData(&rWindow);
if( !pSysData )
return X11SysData();
else
return X11SysData(*pSysData);
}
static X11SysData getSysData( const VirtualDevice& rVirDev )
{
return X11SysData( rVirDev.GetSystemGfxData() );
}
SurfaceSharedPtr createSurface( const OutputDevice& rRefDevice,
int x, int y, int width, int height )
{
if( rRefDevice.GetOutDevType() == OUTDEV_WINDOW )
return SurfaceSharedPtr(new X11Surface(getSysData((const Window&)rRefDevice),
x,y,width,height));
else if( rRefDevice.GetOutDevType() == OUTDEV_VIRDEV )
return SurfaceSharedPtr(new X11Surface(getSysData((const VirtualDevice&)rRefDevice),
x,y,width,height));
else
return SurfaceSharedPtr();
}
SurfaceSharedPtr createBitmapSurface( const OutputDevice& rRefDevice,
const BitmapSystemData& rData,
const Size& rSize )
{
OSL_TRACE( "requested size: %d x %d available size: %d x %d",
rSize.Width(), rSize.Height(), rData.mnWidth, rData.mnHeight );
if ( rData.mnWidth == rSize.Width() && rData.mnHeight == rSize.Height() )
{
if( rRefDevice.GetOutDevType() == OUTDEV_WINDOW )
return SurfaceSharedPtr(new X11Surface(getSysData((const Window&)rRefDevice), rData ));
else if( rRefDevice.GetOutDevType() == OUTDEV_VIRDEV )
return SurfaceSharedPtr(new X11Surface(getSysData((const VirtualDevice&)rRefDevice), rData ));
}
return SurfaceSharedPtr();
}
}