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