зеркало из https://github.com/mozilla/pjs.git
123 строки
4.7 KiB
C++
123 строки
4.7 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 Oracle Corporation code.
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*
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* The Initial Developer of the Original Code is Oracle Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@pavlov.net>
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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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#ifndef GFX_XLIBSURFACE_H
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#define GFX_XLIBSURFACE_H
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#include "gfxASurface.h"
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#include <X11/extensions/Xrender.h>
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#include <X11/Xlib.h>
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class THEBES_API gfxXlibSurface : public gfxASurface {
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public:
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// construct a wrapper around the specified drawable with dpy/visual.
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// Will use XGetGeometry to query the window/pixmap size.
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gfxXlibSurface(Display *dpy, Drawable drawable, Visual *visual);
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// construct a wrapper around the specified drawable with dpy/visual,
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// and known width/height.
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gfxXlibSurface(Display *dpy, Drawable drawable, Visual *visual, const gfxIntSize& size);
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// construct a wrapper around the specified drawable with dpy/format,
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// and known width/height.
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gfxXlibSurface(Screen *screen, Drawable drawable, XRenderPictFormat *format,
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const gfxIntSize& size);
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gfxXlibSurface(cairo_surface_t *csurf);
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// create a new Pixmap and wrapper surface.
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// |relatedDrawable| provides a hint to the server for determining whether
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// the pixmap should be in video or system memory. It must be on
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// |screen| (if specified).
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static already_AddRefed<gfxXlibSurface>
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Create(Screen *screen, Visual *visual, const gfxIntSize& size,
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Drawable relatedDrawable = None);
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static already_AddRefed<gfxXlibSurface>
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Create(Screen* screen, XRenderPictFormat *format, const gfxIntSize& size,
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Drawable relatedDrawable = None);
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virtual ~gfxXlibSurface();
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virtual already_AddRefed<gfxASurface>
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CreateSimilarSurface(gfxContentType aType, const gfxIntSize& aSize);
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virtual const gfxIntSize GetSize() const { return mSize; }
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Display* XDisplay() { return mDisplay; }
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Screen* XScreen();
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Drawable XDrawable() { return mDrawable; }
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XRenderPictFormat* XRenderFormat();
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static int DepthOfVisual(const Screen* screen, const Visual* visual);
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static Visual* FindVisual(Screen* screen, gfxImageFormat format);
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static XRenderPictFormat *FindRenderFormat(Display *dpy, gfxImageFormat format);
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// take ownership of a passed-in Pixmap, calling XFreePixmap on it
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// when the gfxXlibSurface is destroyed.
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void TakePixmap() {
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NS_ASSERTION(!mPixmapTaken, "I already own the Pixmap!");
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mPixmapTaken = PR_TRUE;
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}
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// Release ownership of this surface's Pixmap. This is only valid
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// on gfxXlibSurfaces for which the user called TakePixmap(), or
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// on those created by a Create() factory method.
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Drawable ReleasePixmap() {
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NS_ASSERTION(mPixmapTaken, "I don't own the Pixmap!");
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mPixmapTaken = PR_FALSE;
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return mDrawable;
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}
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// Find a visual and colormap pair suitable for rendering to this surface.
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PRBool GetColormapAndVisual(Colormap* colormap, Visual **visual);
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protected:
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// if TakePixmap() has been called on this
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PRBool mPixmapTaken;
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Display *mDisplay;
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Drawable mDrawable;
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void DoSizeQuery();
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gfxIntSize mSize;
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};
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#endif /* GFX_XLIBSURFACE_H */
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