LCOV - code coverage report
Current view: directory - objdir/dist/include - gfxGdkNativeRenderer.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 0 0.0 %
Date: 2012-06-02 Functions: 1 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       2                 :  * ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Novell code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is Novell.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2006
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   rocallahan@novell.com
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef GFXGDKNATIVERENDER_H_
      39                 : #define GFXGDKNATIVERENDER_H_
      40                 : 
      41                 : #include <gdk/gdk.h>
      42                 : #include "nsSize.h"
      43                 : #ifdef MOZ_X11
      44                 : #include "gfxXlibNativeRenderer.h"
      45                 : #endif
      46                 : 
      47                 : class gfxASurface;
      48                 : class gfxContext;
      49                 : 
      50                 : /**
      51                 :  * This class lets us take code that draws into an GDK drawable and lets us
      52                 :  * use it to draw into any Thebes context. The user should subclass this class,
      53                 :  * override DrawWithGDK, and then call Draw(). The drawing will be subjected
      54                 :  * to all Thebes transformations, clipping etc.
      55                 :  */
      56                 : class THEBES_API gfxGdkNativeRenderer
      57                 : #ifdef MOZ_X11
      58                 :     : private gfxXlibNativeRenderer
      59                 : #endif
      60               0 : {
      61                 : public:
      62                 :     /**
      63                 :      * Perform the native drawing.
      64                 :      * @param offsetX draw at this offset into the given drawable
      65                 :      * @param offsetY draw at this offset into the given drawable
      66                 :      * @param clipRects an array of rects; clip to the union
      67                 :      * @param numClipRects the number of rects in the array, or zero if
      68                 :      * no clipping is required
      69                 :      */
      70                 :     virtual nsresult DrawWithGDK(GdkDrawable * drawable, gint offsetX, 
      71                 :             gint offsetY, GdkRectangle * clipRects, PRUint32 numClipRects) = 0;
      72                 :   
      73                 :     enum {
      74                 :         // If set, then Draw() is opaque, i.e., every pixel in the intersection
      75                 :         // of the clipRect and (offset.x,offset.y,bounds.width,bounds.height)
      76                 :         // will be set and there is no dependence on what the existing pixels
      77                 :         // in the drawable are set to.
      78                 :         DRAW_IS_OPAQUE =
      79                 : #ifdef MOZ_X11
      80                 :             gfxXlibNativeRenderer::DRAW_IS_OPAQUE
      81                 : #else
      82                 :             0x1
      83                 : #endif
      84                 :         // If set, then numClipRects can be zero or one.
      85                 :         // If not set, then numClipRects will be zero.
      86                 :         , DRAW_SUPPORTS_CLIP_RECT =
      87                 : #ifdef MOZ_X11
      88                 :             gfxXlibNativeRenderer::DRAW_SUPPORTS_CLIP_RECT
      89                 : #else
      90                 :             0x2
      91                 : #endif
      92                 :     };
      93                 : 
      94                 :     /**
      95                 :      * @param flags see above
      96                 :      * @param bounds Draw()'s drawing is guaranteed to be restricted to
      97                 :      * the rectangle (offset.x,offset.y,bounds.width,bounds.height)
      98                 :      * @param dpy a display to use for the drawing if ctx doesn't have one
      99                 :      */
     100                 :     void Draw(gfxContext* ctx, nsIntSize size,
     101                 :               PRUint32 flags, GdkColormap* colormap);
     102                 : 
     103                 : private:
     104                 : #ifdef MOZ_X11
     105                 :     // for gfxXlibNativeRenderer:
     106                 :     virtual nsresult DrawWithXlib(gfxXlibSurface* surface,
     107                 :                                   nsIntPoint offset,
     108                 :                                   nsIntRect* clipRects, PRUint32 numClipRects);
     109                 : 
     110                 :     GdkColormap *mColormap;
     111                 : #endif
     112                 : };
     113                 : 
     114                 : #endif /*GFXGDKNATIVERENDER_H_*/

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