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Diffstat (limited to 'canvas/source/cairo/cairo_xlib_cairo.cxx')
| -rw-r--r-- | canvas/source/cairo/cairo_xlib_cairo.cxx | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_xlib_cairo.cxx b/canvas/source/cairo/cairo_xlib_cairo.cxx new file mode 100644 index 000000000000..a7df2f7d39fb --- /dev/null +++ b/canvas/source/cairo/cairo_xlib_cairo.cxx @@ -0,0 +1,355 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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 + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * 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). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// 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(); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |