gecko/gfx/thebes/gfxQtNativeRenderer.cpp

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/* -*- 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 Novell code.
*
* The Initial Developer of the Original Code is Novell.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* romaxa@gmail.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 "gfxQtNativeRenderer.h"
#include "gfxContext.h"
#include "gfxXlibSurface.h"
nsresult
gfxQtNativeRenderer::Draw(gfxContext* ctx, nsIntSize size,
PRUint32 flags, Screen* screen, Visual* visual,
DrawOutput* output)
{
Display *dpy = DisplayOfScreen(screen);
PRBool isOpaque = (flags & DRAW_IS_OPAQUE) ? PR_TRUE : PR_FALSE;
int screenNumber = screen - ScreenOfDisplay(dpy, 0);
if (!isOpaque) {
int depth = 32;
XVisualInfo vinfo;
int foundVisual = XMatchVisualInfo(dpy, screenNumber,
depth, TrueColor,
&vinfo);
if (!foundVisual)
return NS_ERROR_FAILURE;
visual = vinfo.visual;
}
nsRefPtr<gfxXlibSurface> xsurf =
gfxXlibSurface::Create(screen, visual,
gfxIntSize(size.width, size.height));
if (!isOpaque) {
nsRefPtr<gfxContext> tempCtx = new gfxContext(xsurf);
tempCtx->SetOperator(gfxContext::OPERATOR_CLEAR);
tempCtx->Paint();
}
nsresult rv = DrawWithXlib(xsurf.get(), nsIntPoint(0, 0), NULL, 0);
if (NS_FAILED(rv))
return rv;
ctx->SetSource(xsurf);
ctx->Paint();
return rv;
}