LCOV - code coverage report
Current view: directory - gfx/thebes - gfxPattern.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 0 0.0 %
Date: 2012-06-02 Functions: 2 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 Oracle Corporation code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is Oracle Corporation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2005
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Stuart Parmenter <stuart@mozilla.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 GFX_PATTERN_H
      39                 : #define GFX_PATTERN_H
      40                 : 
      41                 : #include "gfxTypes.h"
      42                 : 
      43                 : #include "gfxColor.h"
      44                 : #include "gfxMatrix.h"
      45                 : #include "nsISupportsImpl.h"
      46                 : #include "nsAutoPtr.h"
      47                 : #include "mozilla/gfx/2D.h"
      48                 : #include "mozilla/Util.h"
      49                 : 
      50                 : class gfxContext;
      51                 : class gfxASurface;
      52                 : typedef struct _cairo_pattern cairo_pattern_t;
      53                 : 
      54                 : 
      55                 : class THEBES_API gfxPattern {
      56               0 :     NS_INLINE_DECL_REFCOUNTING(gfxPattern)
      57                 : 
      58                 : public:
      59                 :     gfxPattern(cairo_pattern_t *aPattern);
      60                 :     gfxPattern(const gfxRGBA& aColor);
      61                 :     gfxPattern(gfxASurface *surface); // from another surface
      62                 :     // linear
      63                 :     gfxPattern(gfxFloat x0, gfxFloat y0, gfxFloat x1, gfxFloat y1); // linear
      64                 :     gfxPattern(gfxFloat cx0, gfxFloat cy0, gfxFloat radius0,
      65                 :                gfxFloat cx1, gfxFloat cy1, gfxFloat radius1); // radial
      66                 :     gfxPattern(mozilla::gfx::SourceSurface *aSurface,
      67                 :                const mozilla::gfx::Matrix &aTransform); // Azure
      68                 :     virtual ~gfxPattern();
      69                 : 
      70                 :     cairo_pattern_t *CairoPattern();
      71                 :     void AddColorStop(gfxFloat offset, const gfxRGBA& c);
      72                 : 
      73                 :     void SetMatrix(const gfxMatrix& matrix);
      74                 :     gfxMatrix GetMatrix() const;
      75                 : 
      76                 :     mozilla::gfx::Pattern *GetPattern(mozilla::gfx::DrawTarget *aTarget);
      77                 :     bool IsOpaque();
      78                 : 
      79                 :     enum GraphicsExtend {
      80                 :         EXTEND_NONE,
      81                 :         EXTEND_REPEAT,
      82                 :         EXTEND_REFLECT,
      83                 :         EXTEND_PAD,
      84                 : 
      85                 :         // Our own private flag for setting either NONE or PAD,
      86                 :         // depending on what the platform does for NONE.  This is only
      87                 :         // relevant for surface patterns; for all other patterns, it
      88                 :         // behaves identical to PAD.  On MacOS X, this becomes "NONE",
      89                 :         // because Quartz does the thing that we want at image edges;
      90                 :         // similarily on the win32 printing surface, since
      91                 :         // everything's done with GDI there.  On other platforms, it
      92                 :         // usually becomes PAD.
      93                 :         EXTEND_PAD_EDGE = 1000
      94                 :     };
      95                 : 
      96                 :     // none, repeat, reflect
      97                 :     void SetExtend(GraphicsExtend extend);
      98                 :     GraphicsExtend Extend() const;
      99                 : 
     100                 :     enum GraphicsPatternType {
     101                 :         PATTERN_SOLID,
     102                 :         PATTERN_SURFACE,
     103                 :         PATTERN_LINEAR,
     104                 :         PATTERN_RADIAL
     105                 :     };
     106                 : 
     107                 :     GraphicsPatternType GetType() const;
     108                 : 
     109                 :     int CairoStatus();
     110                 : 
     111                 :     enum GraphicsFilter {
     112                 :         FILTER_FAST,
     113                 :         FILTER_GOOD,
     114                 :         FILTER_BEST,
     115                 :         FILTER_NEAREST,
     116                 :         FILTER_BILINEAR,
     117                 :         FILTER_GAUSSIAN
     118                 :     };
     119                 : 
     120                 :     void SetFilter(GraphicsFilter filter);
     121                 :     GraphicsFilter Filter() const;
     122                 : 
     123                 :     /* returns TRUE if it succeeded */
     124                 :     bool GetSolidColor(gfxRGBA& aColor);
     125                 : 
     126                 :     already_AddRefed<gfxASurface> GetSurface();
     127                 : 
     128                 : protected:
     129                 :     cairo_pattern_t *mPattern;
     130                 : 
     131                 :     union {
     132                 :       mozilla::AlignedStorage2<mozilla::gfx::ColorPattern> mColorPattern;
     133                 :       mozilla::AlignedStorage2<mozilla::gfx::LinearGradientPattern> mLinearGradientPattern;
     134                 :       mozilla::AlignedStorage2<mozilla::gfx::RadialGradientPattern> mRadialGradientPattern;
     135                 :       mozilla::AlignedStorage2<mozilla::gfx::SurfacePattern> mSurfacePattern;
     136                 :     };
     137                 : 
     138                 :     mozilla::gfx::Pattern *mGfxPattern;
     139                 : 
     140                 :     mozilla::RefPtr<mozilla::gfx::SourceSurface> mSourceSurface;
     141                 :     mozilla::gfx::Matrix mTransform;
     142                 :     mozilla::RefPtr<mozilla::gfx::GradientStops> mStops;
     143                 :     mozilla::gfx::ExtendMode mExtend;
     144                 :     mozilla::gfx::Filter mFilter;
     145                 : };
     146                 : 
     147                 : #endif /* GFX_PATTERN_H */

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