зеркало из https://github.com/mozilla/pjs.git
115 строки
4.1 KiB
C++
115 строки
4.1 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 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):
|
|
* rocallahan@novell.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 ***** */
|
|
|
|
#ifndef GFXGDKNATIVERENDER_H_
|
|
#define GFXGDKNATIVERENDER_H_
|
|
|
|
#include <gdk/gdk.h>
|
|
#include "nsSize.h"
|
|
#ifdef MOZ_X11
|
|
#include "gfxXlibNativeRenderer.h"
|
|
#endif
|
|
|
|
class gfxASurface;
|
|
class gfxContext;
|
|
|
|
/**
|
|
* This class lets us take code that draws into an GDK drawable and lets us
|
|
* use it to draw into any Thebes context. The user should subclass this class,
|
|
* override DrawWithGDK, and then call Draw(). The drawing will be subjected
|
|
* to all Thebes transformations, clipping etc.
|
|
*/
|
|
class THEBES_API gfxGdkNativeRenderer
|
|
#ifdef MOZ_X11
|
|
: private gfxXlibNativeRenderer
|
|
#endif
|
|
{
|
|
public:
|
|
/**
|
|
* Perform the native drawing.
|
|
* @param offsetX draw at this offset into the given drawable
|
|
* @param offsetY draw at this offset into the given drawable
|
|
* @param clipRects an array of rects; clip to the union
|
|
* @param numClipRects the number of rects in the array, or zero if
|
|
* no clipping is required
|
|
*/
|
|
virtual nsresult DrawWithGDK(GdkDrawable * drawable, gint offsetX,
|
|
gint offsetY, GdkRectangle * clipRects, PRUint32 numClipRects) = 0;
|
|
|
|
enum {
|
|
// If set, then Draw() is opaque, i.e., every pixel in the intersection
|
|
// of the clipRect and (offset.x,offset.y,bounds.width,bounds.height)
|
|
// will be set and there is no dependence on what the existing pixels
|
|
// in the drawable are set to.
|
|
DRAW_IS_OPAQUE =
|
|
#ifdef MOZ_X11
|
|
gfxXlibNativeRenderer::DRAW_IS_OPAQUE
|
|
#else
|
|
0x1
|
|
#endif
|
|
// If set, then numClipRects can be zero or one.
|
|
// If not set, then numClipRects will be zero.
|
|
, DRAW_SUPPORTS_CLIP_RECT =
|
|
#ifdef MOZ_X11
|
|
gfxXlibNativeRenderer::DRAW_SUPPORTS_CLIP_RECT
|
|
#else
|
|
0x2
|
|
#endif
|
|
};
|
|
|
|
/**
|
|
* @param flags see above
|
|
* @param bounds Draw()'s drawing is guaranteed to be restricted to
|
|
* the rectangle (offset.x,offset.y,bounds.width,bounds.height)
|
|
* @param dpy a display to use for the drawing if ctx doesn't have one
|
|
*/
|
|
void Draw(gfxContext* ctx, nsIntSize size,
|
|
PRUint32 flags, GdkColormap* colormap);
|
|
|
|
private:
|
|
#ifdef MOZ_X11
|
|
// for gfxXlibNativeRenderer:
|
|
virtual nsresult DrawWithXlib(gfxXlibSurface* surface,
|
|
nsIntPoint offset,
|
|
nsIntRect* clipRects, PRUint32 numClipRects);
|
|
|
|
GdkColormap *mColormap;
|
|
#endif
|
|
};
|
|
|
|
#endif /*GFXGDKNATIVERENDER_H_*/
|