зеркало из https://github.com/mozilla/pjs.git
98 строки
3.4 KiB
C++
98 строки
3.4 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 Novell code.
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*
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* The Initial Developer of the Original Code is Novell.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* romaxa@gmail.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 <QX11Info>
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#include "gfxQtNativeRenderer.h"
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#include "gfxContext.h"
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#include "gfxXlibSurface.h"
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nsresult
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gfxQtNativeRenderer::Draw(gfxContext* ctx, int width, int height,
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PRUint32 flags, DrawOutput* output)
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{
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Display *dpy = QX11Info().display();
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PRBool isOpaque = (flags & DRAW_IS_OPAQUE) ? PR_TRUE : PR_FALSE;
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int screen = QX11Info().screen();
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int depth = QX11Info().depth();
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Visual *visual = static_cast<Visual*>(QX11Info().visual());
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Colormap colormap = QX11Info().colormap();
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PRBool allocColormap = PR_FALSE;
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if (!isOpaque) {
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depth = 32;
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XVisualInfo vinfo;
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int foundVisual = XMatchVisualInfo(dpy, screen,
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depth, TrueColor,
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&vinfo);
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if (!foundVisual)
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return NS_ERROR_FAILURE;
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if (visual != vinfo.visual) {
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allocColormap = PR_TRUE;
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visual = vinfo.visual;
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colormap = XCreateColormap(dpy,
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RootWindow(dpy, screen),
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visual, AllocNone);
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}
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}
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nsRefPtr<gfxXlibSurface> xsurf =
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new gfxXlibSurface(dpy, visual,
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gfxIntSize(width, height),
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depth);
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if (!isOpaque) {
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nsRefPtr<gfxContext> tempCtx = new gfxContext(xsurf);
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tempCtx->SetOperator(gfxContext::OPERATOR_CLEAR);
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tempCtx->Paint();
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}
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nsresult rv = NativeDraw(xsurf.get(), colormap, 0, 0, NULL, 0);
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if (!allocColormap)
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XFreeColormap(dpy, colormap);
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if (NS_FAILED(rv))
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return rv;
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ctx->SetSource(xsurf);
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ctx->Paint();
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return rv;
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}
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