gfx/thebes/gfxDirectFBSurface.cpp

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  * ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
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  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  15  * The Original Code is Mozilla Corporation code.
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  17  * The Initial Developer of the Original Code is Mozilla Foundation.
  18  * Portions created by the Initial Developer are Copyright (C) 2008
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Vladimir Vukicevic <vladimir@pobox.com>
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
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  34  * the terms of any one of the MPL, the GPL or the LGPL.
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  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #include "gfxDirectFBSurface.h"
  39
  40 #include "cairo-directfb.h"
  41
  42 gfxDirectFBSurface::gfxDirectFBSurface(IDirectFB *dfb, IDirectFBSurface *dfbs)
  43     : mDFB(nsnull), mDFBSurface(nsnull)
  44 {
  45     dfb->AddRef( dfb );
  46     dfbs->AddRef( dfbs );
  47
  48     cairo_surface_t *surf = cairo_directfb_surface_create(dfb, dfbs);
  49
  50     mDFB = dfb;
  51     mDFBSurface = dfbs;
  52
  53     Init(surf);
  54 }
  55
  56 gfxDirectFBSurface::gfxDirectFBSurface(IDirectFBSurface *dfbs)
  57     : mDFB(nsnull), mDFBSurface(nsnull)
  58 {
  59     DFBResult ret;
  60
  61     dfbs->AddRef( dfbs );
  62
  63     /* Lightweight, getting singleton */
  64     ret = DirectFBCreate( &mDFB );
  65     if (ret) {
  66          D_DERROR( (DirectResult) ret, "gfxDirectFBSurface: DirectFBCreate() failed!\n" );
  67          return;
  68     }
  69
  70     cairo_surface_t *surf = cairo_directfb_surface_create(mDFB, dfbs);
  71
  72     mDFBSurface = dfbs;
  73
  74     Init(surf);
  75 }
  76
  77 gfxDirectFBSurface::gfxDirectFBSurface(cairo_surface_t *csurf)
  78 {
  79     mDFB = nsnull;
  80     mDFBSurface = nsnull;
  81
  82     Init(csurf, PR_TRUE);
  83 }
  84
  85 gfxDirectFBSurface::gfxDirectFBSurface(const gfxIntSize& size, gfxImageFormat format) :
  86     mDFB(nsnull), mDFBSurface(nsnull)
  87 {
  88      DFBResult             ret;
  89      DFBSurfaceDescription desc;
  90
  91      if (!CheckSurfaceSize(size) || size.width <= 0 || size.height <= 0)
  92           return;
  93
  94      /* Lightweight, getting singleton */
  95      ret = DirectFBCreate( &mDFB );
  96      if (ret) {
  97           D_DERROR( (DirectResult) ret, "gfxDirectFBSurface: DirectFBCreate() failed!\n" );
  98           return;
  99      }
 100
 101      desc.flags  = (DFBSurfaceDescriptionFlags)( DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT );
 102      desc.width  = size.width;
 103      desc.height = size.height;
 104
 105      switch (format) {
 106           case gfxASurface::ImageFormatARGB32:
 107                desc.pixelformat = DSPF_ARGB;
 108                break;
 109
 110           case gfxASurface::ImageFormatRGB24:
 111                desc.pixelformat = DSPF_RGB32;
 112                break;
 113
 114           case gfxASurface::ImageFormatA8:
 115                desc.pixelformat = DSPF_A8;
 116                break;
 117
 118           case gfxASurface::ImageFormatA1:
 119                desc.pixelformat = DSPF_A1;
 120                break;
 121
 122           default:
 123                D_BUG( "unknown format" );
 124                return;
 125      }
 126
 127      ret = mDFB->CreateSurface( mDFB, &desc, &mDFBSurface );
 128      if (ret) {
 129           D_DERROR( (DirectResult) ret, "gfxDirectFBSurface: "
 130                                         "IDirectFB::CreateSurface( %dx%d ) failed!\n", desc.width, desc.height );
 131           return;
 132      }
 133
 134      cairo_surface_t *surface = cairo_directfb_surface_create(mDFB, mDFBSurface);
 135
 136      Init(surface);
 137 }
 138
 139 gfxDirectFBSurface::~gfxDirectFBSurface()
 140 {
 141      if (mDFBSurface)
 142           mDFBSurface->Release( mDFBSurface );
 143
 144      if (mDFB)
 145           mDFB->Release( mDFB );
 146 }
 147