gecko-dev/gfx/thebes/gfxDirectFBSurface.cpp

148 строки
4.5 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "gfxDirectFBSurface.h"
#include "cairo-directfb.h"
gfxDirectFBSurface::gfxDirectFBSurface(IDirectFB *dfb, IDirectFBSurface *dfbs)
: mDFB(nsnull), mDFBSurface(nsnull)
{
dfb->AddRef( dfb );
dfbs->AddRef( dfbs );
cairo_surface_t *surf = cairo_directfb_surface_create(dfb, dfbs);
mDFB = dfb;
mDFBSurface = dfbs;
Init(surf);
}
gfxDirectFBSurface::gfxDirectFBSurface(IDirectFBSurface *dfbs)
: mDFB(nsnull), mDFBSurface(nsnull)
{
DFBResult ret;
dfbs->AddRef( dfbs );
/* Lightweight, getting singleton */
ret = DirectFBCreate( &mDFB );
if (ret) {
D_DERROR( (DirectResult) ret, "gfxDirectFBSurface: DirectFBCreate() failed!\n" );
return;
}
cairo_surface_t *surf = cairo_directfb_surface_create(mDFB, dfbs);
mDFBSurface = dfbs;
Init(surf);
}
gfxDirectFBSurface::gfxDirectFBSurface(cairo_surface_t *csurf)
{
mDFB = nsnull;
mDFBSurface = nsnull;
Init(csurf, PR_TRUE);
}
gfxDirectFBSurface::gfxDirectFBSurface(const gfxIntSize& size, gfxImageFormat format) :
mDFB(nsnull), mDFBSurface(nsnull)
{
DFBResult ret;
DFBSurfaceDescription desc;
if (!CheckSurfaceSize(size) || size.width <= 0 || size.height <= 0)
return;
/* Lightweight, getting singleton */
ret = DirectFBCreate( &mDFB );
if (ret) {
D_DERROR( (DirectResult) ret, "gfxDirectFBSurface: DirectFBCreate() failed!\n" );
return;
}
desc.flags = (DFBSurfaceDescriptionFlags)( DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT );
desc.width = size.width;
desc.height = size.height;
switch (format) {
case gfxASurface::ImageFormatARGB32:
desc.pixelformat = DSPF_ARGB;
break;
case gfxASurface::ImageFormatRGB24:
desc.pixelformat = DSPF_RGB32;
break;
case gfxASurface::ImageFormatA8:
desc.pixelformat = DSPF_A8;
break;
case gfxASurface::ImageFormatA1:
desc.pixelformat = DSPF_A1;
break;
default:
D_BUG( "unknown format" );
return;
}
ret = mDFB->CreateSurface( mDFB, &desc, &mDFBSurface );
if (ret) {
D_DERROR( (DirectResult) ret, "gfxDirectFBSurface: "
"IDirectFB::CreateSurface( %dx%d ) failed!\n", desc.width, desc.height );
return;
}
cairo_surface_t *surface = cairo_directfb_surface_create(mDFB, mDFBSurface);
Init(surface);
}
gfxDirectFBSurface::~gfxDirectFBSurface()
{
if (mDFBSurface)
mDFBSurface->Release( mDFBSurface );
if (mDFB)
mDFB->Release( mDFB );
}