LCOV - code coverage report
Current view: top level - canvas/source/cairo - cairo_xlib_cairo.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 93 0.0 %
Date: 2014-04-14 Functions: 0 21 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <utility>
      21             : 
      22             : #include <prex.h>
      23             : #include <X11/extensions/Xrender.h>
      24             : #include <X11/Xlib.h>
      25             : #include <postx.h>
      26             : 
      27             : #include "cairo_xlib_cairo.hxx"
      28             : 
      29             : #include <vcl/sysdata.hxx>
      30             : #include <vcl/bitmap.hxx>
      31             : #include <vcl/virdev.hxx>
      32             : #include <basegfx/vector/b2isize.hxx>
      33             : 
      34             : namespace
      35             : {
      36           0 :     Pixmap limitXCreatePixmap(Display *display, Drawable d, unsigned int width, unsigned int height, unsigned int depth)
      37             :     {
      38             :         // The X protocol request CreatePixmap puts an upper bound
      39             :         // of 16 bit to the size.
      40             : 
      41             :         // see, e.g. moz#424333, fdo#48961
      42             :         // we've a duplicate of this in vcl :-(
      43           0 :         if (width > SAL_MAX_INT16 || height > SAL_MAX_INT16)
      44             :         {
      45             :             SAL_WARN("canvas", "overlarge pixmap: " << width << " x " << height);
      46           0 :             return None;
      47             :         }
      48           0 :         return XCreatePixmap(display, d, width, height, depth);
      49             :     }
      50             : }
      51             : 
      52             : namespace cairo
      53             : {
      54             : 
      55             : #include <cairo-xlib.h>
      56             : #include <cairo-xlib-xrender.h>
      57             : 
      58             :     // TODO(F3): svp headless case!
      59             : 
      60           0 :     bool IsCairoWorking( OutputDevice* pOutDev )
      61             :     {
      62           0 :         if( !pOutDev )
      63           0 :             return false;
      64             : 
      65           0 :         Display* pDisplay = (Display*)pOutDev->GetSystemGfxData().pDisplay;
      66           0 :         if( !pDisplay )
      67           0 :             return false;
      68             : 
      69             :         int nDummy;
      70           0 :         return XQueryExtension( pDisplay, "RENDER", &nDummy, &nDummy, &nDummy );
      71             :     }
      72             : 
      73           0 :     X11SysData::X11SysData() :
      74             :         pDisplay(NULL),
      75             :         hDrawable(0),
      76             :         pVisual(NULL),
      77             :         nScreen(0),
      78             :         nDepth(-1),
      79             :         aColormap(-1),
      80           0 :         pRenderFormat(NULL)
      81           0 :     {}
      82             : 
      83           0 :     X11SysData::X11SysData( const SystemGraphicsData& pSysDat ) :
      84             :         pDisplay(pSysDat.pDisplay),
      85             :         hDrawable(pSysDat.hDrawable),
      86             :         pVisual(pSysDat.pVisual),
      87             :         nScreen(pSysDat.nScreen),
      88             :         nDepth(pSysDat.nDepth),
      89             :         aColormap(pSysDat.aColormap),
      90           0 :         pRenderFormat(pSysDat.pXRenderFormat)
      91           0 :     {}
      92             : 
      93           0 :     X11SysData::X11SysData( const SystemEnvData& pSysDat ) :
      94             :         pDisplay(pSysDat.pDisplay),
      95             :         hDrawable(pSysDat.aWindow),
      96             :         pVisual(pSysDat.pVisual),
      97             :         nScreen(pSysDat.nScreen),
      98             :         nDepth(pSysDat.nDepth),
      99             :         aColormap(pSysDat.aColormap),
     100           0 :         pRenderFormat(NULL)
     101           0 :     {}
     102             : 
     103           0 :     X11Pixmap::~X11Pixmap()
     104             :     {
     105           0 :         if( mpDisplay && mhDrawable )
     106           0 :             XFreePixmap( (Display*)mpDisplay, mhDrawable );
     107           0 :     }
     108             : 
     109             :     /**
     110             :      * Surface::Surface:   Create Canvas surface with existing data
     111             :      * @param pSysData Platform native system environment data (struct SystemEnvData in vcl/inc/sysdata.hxx)
     112             :      * @param pSurface Cairo surface
     113             :      *
     114             :      * pSysData contains the platform native Drawable reference
     115             :      * This constructor only stores data, it does no processing.
     116             :      * It is used by e.g. Surface::getSimilar()
     117             :      *
     118             :      * Set the mpSurface as pSurface
     119             :      **/
     120           0 :     X11Surface::X11Surface( const X11SysData&            rSysData,
     121             :                             const X11PixmapSharedPtr&    rPixmap,
     122             :                             const CairoSurfaceSharedPtr& pSurface ) :
     123             :         maSysData(rSysData),
     124             :         mpPixmap(rPixmap),
     125           0 :         mpSurface(pSurface)
     126           0 :     {}
     127             : 
     128             :     /**
     129             :      * Surface::Surface:     Create generic Canvas surface using given Cairo Surface
     130             :      *
     131             :      * @param pSurface Cairo Surface
     132             :      *
     133             :      * This constructor only stores data, it does no processing.
     134             :      * It is used with e.g. cairo_image_surface_create_for_data()
     135             :      * Unlike other constructors, mpSysData is set to NULL
     136             :      *
     137             :      * Set the mpSurface as pSurface
     138             :      **/
     139           0 :     X11Surface::X11Surface( const CairoSurfaceSharedPtr& pSurface ) :
     140             :         maSysData(),
     141             :         mpPixmap(),
     142           0 :         mpSurface(pSurface)
     143           0 :     {}
     144             : 
     145             :     /**
     146             :      * Surface::Surface:   Create Canvas surface from Window reference.
     147             :      * @param pSysData Platform native system environment data (struct SystemEnvData in vcl/inc/sysdata.hxx)
     148             :      * @param x horizontal location of the new surface
     149             :      * @param y vertical location of the new surface
     150             :      * @param width width of the new surface
     151             :      * @param height height of the new surface
     152             :      *
     153             :      * pSysData contains the platform native Window reference.
     154             :      *
     155             :      * pSysData is used to create a surface on the Window
     156             :      *
     157             :      * Set the mpSurface to the new surface or NULL
     158             :      **/
     159           0 :     X11Surface::X11Surface( const X11SysData& rSysData, int x, int y, int width, int height ) :
     160             :         maSysData(rSysData),
     161             :         mpPixmap(),
     162             :         mpSurface(
     163             :             cairo_xlib_surface_create( (Display*)rSysData.pDisplay,
     164             :                                        rSysData.hDrawable,
     165             :                                        (Visual*)rSysData.pVisual,
     166             :                                        width + x, height + y ),
     167           0 :             &cairo_surface_destroy)
     168             :     {
     169           0 :         cairo_surface_set_device_offset(mpSurface.get(), x, y );
     170           0 :     }
     171             : 
     172             :     /**
     173             :      * Surface::Surface:   Create platfrom native Canvas surface from BitmapSystemData
     174             :      * @param pSysData Platform native system environment data (struct SystemEnvData in vcl/inc/sysdata.hxx)
     175             :      * @param pBmpData Platform native image data (struct BitmapSystemData in vcl/inc/bitmap.hxx)
     176             :      * @param width width of the new surface
     177             :      * @param height height of the new surface
     178             :      *
     179             :      * The pBmpData provides the imagedata that the created surface should contain.
     180             :      *
     181             :      * Set the mpSurface to the new surface or NULL
     182             :      **/
     183           0 :     X11Surface::X11Surface( const X11SysData&       rSysData,
     184             :                             const BitmapSystemData& rData ) :
     185             :         maSysData( rSysData ),
     186             :         mpPixmap(),
     187             :         mpSurface(
     188             :             cairo_xlib_surface_create( (Display*)rSysData.pDisplay,
     189             :                                        (Drawable)rData.aPixmap,
     190             :                                        (Visual*) rSysData.pVisual,
     191             :                                        rData.mnWidth, rData.mnHeight ),
     192           0 :             &cairo_surface_destroy)
     193             :     {
     194           0 :     }
     195             : 
     196             :     /**
     197             :      * Surface::getCairo:  Create Cairo (drawing object) for the Canvas surface
     198             :      *
     199             :      * @return new Cairo or NULL
     200             :      **/
     201           0 :     CairoSharedPtr X11Surface::getCairo() const
     202             :     {
     203             :         return CairoSharedPtr( cairo_create(mpSurface.get()),
     204           0 :                                &cairo_destroy );
     205             :     }
     206             : 
     207             :     /**
     208             :      * Surface::getSimilar:  Create new similar Canvas surface
     209             :      * @param aContent format of the new surface (cairo_content_t from cairo/src/cairo.h)
     210             :      * @param width width of the new surface
     211             :      * @param height height of the new surface
     212             :      *
     213             :      * Creates a new Canvas surface. This normally creates platform native surface, even though
     214             :      * generic function is used.
     215             :      *
     216             :      * Cairo surface from aContent (cairo_content_t)
     217             :      *
     218             :      * @return new surface or NULL
     219             :      **/
     220           0 :     SurfaceSharedPtr X11Surface::getSimilar( Content aContent, int width, int height ) const
     221             :     {
     222             :         Pixmap hPixmap;
     223             : 
     224           0 :         if( maSysData.pDisplay && maSysData.hDrawable )
     225             :         {
     226             :             XRenderPictFormat* pFormat;
     227             :             int nFormat;
     228             : 
     229           0 :             switch (aContent)
     230             :             {
     231             :                 case CAIRO_CONTENT_ALPHA:
     232           0 :                     nFormat = PictStandardA8;
     233           0 :                     break;
     234             :                 case CAIRO_CONTENT_COLOR:
     235           0 :                     nFormat = PictStandardRGB24;
     236           0 :                     break;
     237             :                 case CAIRO_CONTENT_COLOR_ALPHA:
     238             :                 default:
     239           0 :                     nFormat = PictStandardARGB32;
     240           0 :                     break;
     241             :             }
     242             : 
     243           0 :             pFormat = XRenderFindStandardFormat( (Display*)maSysData.pDisplay, nFormat );
     244             :             hPixmap = limitXCreatePixmap( (Display*)maSysData.pDisplay, maSysData.hDrawable,
     245             :                                      width > 0 ? width : 1, height > 0 ? height : 1,
     246           0 :                                      pFormat->depth );
     247             : 
     248           0 :             X11SysData aSysData(maSysData);
     249           0 :             aSysData.pRenderFormat = pFormat;
     250             :             return SurfaceSharedPtr(
     251             :                 new X11Surface( aSysData,
     252             :                                 X11PixmapSharedPtr(
     253           0 :                                     new X11Pixmap(hPixmap, maSysData.pDisplay)),
     254             :                                 CairoSurfaceSharedPtr(
     255             :                                     cairo_xlib_surface_create_with_xrender_format(
     256             :                                         (Display*)maSysData.pDisplay,
     257             :                                         hPixmap,
     258             :                                         ScreenOfDisplay((Display *)maSysData.pDisplay, maSysData.nScreen),
     259             :                                         pFormat, width, height ),
     260           0 :                                     &cairo_surface_destroy) ));
     261             :         }
     262             :         else
     263             :             return SurfaceSharedPtr(
     264             :                 new X11Surface( maSysData,
     265             :                                 X11PixmapSharedPtr(),
     266             :                                 CairoSurfaceSharedPtr(
     267             :                                     cairo_surface_create_similar( mpSurface.get(), aContent, width, height ),
     268           0 :                                     &cairo_surface_destroy )));
     269             :     }
     270             : 
     271           0 :     boost::shared_ptr<VirtualDevice> X11Surface::createVirtualDevice() const
     272             :     {
     273           0 :         SystemGraphicsData aSystemGraphicsData;
     274             : 
     275           0 :         aSystemGraphicsData.nSize = sizeof(SystemGraphicsData);
     276           0 :         aSystemGraphicsData.hDrawable = getDrawable();
     277           0 :         aSystemGraphicsData.pXRenderFormat = getRenderFormat();
     278             : 
     279             :         return boost::shared_ptr<VirtualDevice>(
     280           0 :             new VirtualDevice( &aSystemGraphicsData, std::max( getDepth(), 0 ) ));
     281             :     }
     282             : 
     283             :     /**
     284             :      * Surface::Resize:  Resizes the Canvas surface.
     285             :      * @param width new width of the surface
     286             :      * @param height new height of the surface
     287             :      *
     288             :      * Only used on X11.
     289             :      *
     290             :      * @return The new surface or NULL
     291             :      **/
     292           0 :     void X11Surface::Resize( int width, int height )
     293             :     {
     294           0 :         cairo_xlib_surface_set_size( mpSurface.get(), width, height );
     295           0 :     }
     296             : 
     297           0 :     void X11Surface::flush() const
     298             :     {
     299           0 :         XSync( (Display*)maSysData.pDisplay, false );
     300           0 :     }
     301             : 
     302             :     /**
     303             :      * Surface::getDepth:  Get the color depth of the Canvas surface.
     304             :      *
     305             :      * @return color depth
     306             :      **/
     307           0 :     int X11Surface::getDepth() const
     308             :     {
     309           0 :         if( maSysData.pRenderFormat )
     310           0 :             return ((XRenderPictFormat*) maSysData.pRenderFormat)->depth;
     311             : 
     312           0 :         return -1;
     313             :     }
     314             : 
     315           0 :     SurfaceSharedPtr createSurface( const CairoSurfaceSharedPtr& rSurface )
     316             :     {
     317           0 :         return SurfaceSharedPtr(new X11Surface(rSurface));
     318             :     }
     319             : 
     320           0 :     static X11SysData getSysData( const Window& rWindow )
     321             :     {
     322           0 :         const SystemEnvData* pSysData = GetSysData(&rWindow);
     323             : 
     324           0 :         if( !pSysData )
     325           0 :             return X11SysData();
     326             :         else
     327           0 :             return X11SysData(*pSysData);
     328             :     }
     329             : 
     330           0 :     static X11SysData getSysData( const VirtualDevice& rVirDev )
     331             :     {
     332           0 :         return X11SysData( rVirDev.GetSystemGfxData() );
     333             :     }
     334             : 
     335           0 :     SurfaceSharedPtr createSurface( const OutputDevice& rRefDevice,
     336             :                                     int x, int y, int width, int height )
     337             :     {
     338           0 :         if( rRefDevice.GetOutDevType() == OUTDEV_WINDOW )
     339             :             return SurfaceSharedPtr(new X11Surface(getSysData((const Window&)rRefDevice),
     340           0 :                                                    x,y,width,height));
     341           0 :         else if( rRefDevice.GetOutDevType() == OUTDEV_VIRDEV )
     342             :             return SurfaceSharedPtr(new X11Surface(getSysData((const VirtualDevice&)rRefDevice),
     343           0 :                                                    x,y,width,height));
     344             :         else
     345           0 :             return SurfaceSharedPtr();
     346             :     }
     347             : 
     348           0 :     SurfaceSharedPtr createBitmapSurface( const OutputDevice&     rRefDevice,
     349             :                                           const BitmapSystemData& rData,
     350             :                                           const Size&             rSize )
     351             :     {
     352             :         OSL_TRACE( "requested size: %d x %d available size: %d x %d",
     353             :                    rSize.Width(), rSize.Height(), rData.mnWidth, rData.mnHeight );
     354           0 :         if ( rData.mnWidth == rSize.Width() && rData.mnHeight == rSize.Height() )
     355             :         {
     356           0 :             if( rRefDevice.GetOutDevType() == OUTDEV_WINDOW )
     357           0 :                 return SurfaceSharedPtr(new X11Surface(getSysData((const Window&)rRefDevice), rData ));
     358           0 :             else if( rRefDevice.GetOutDevType() == OUTDEV_VIRDEV )
     359           0 :                 return SurfaceSharedPtr(new X11Surface(getSysData((const VirtualDevice&)rRefDevice), rData ));
     360             :         }
     361             : 
     362           0 :         return SurfaceSharedPtr();
     363             :     }
     364             : }
     365             : 
     366             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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