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