Home | History | Annotate | Download | only in graphics 
      1 /*
      2  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef GraphicsTypes_h
     27 #define GraphicsTypes_h
     28 
     29 #include <wtf/Forward.h>
     30 
     31 namespace WebCore {
     32 
     33     // Note: These constants exactly match the NSCompositeOperator constants of
     34     // AppKit on Mac OS X Tiger. If these ever change, we'll need to change the
     35     // Mac OS X Tiger platform code to map one to the other.
     36     enum CompositeOperator {
     37         CompositeClear,
     38         CompositeCopy,
     39         CompositeSourceOver,
     40         CompositeSourceIn,
     41         CompositeSourceOut,
     42         CompositeSourceAtop,
     43         CompositeDestinationOver,
     44         CompositeDestinationIn,
     45         CompositeDestinationOut,
     46         CompositeDestinationAtop,
     47         CompositeXOR,
     48         CompositePlusDarker,
     49         CompositeHighlight,
     50         CompositePlusLighter
     51     };
     52 
     53     // FIXME: Currently these constants have to match the values used in the SVG
     54     // DOM API. That's a mistake. We need to make cut that dependency.
     55     enum GradientSpreadMethod {
     56         SpreadMethodPad = 1,
     57         SpreadMethodReflect = 2,
     58         SpreadMethodRepeat = 3
     59     };
     60 
     61     enum LineCap { ButtCap, RoundCap, SquareCap };
     62 
     63     enum LineJoin { MiterJoin, RoundJoin, BevelJoin };
     64 
     65     enum HorizontalAlignment { AlignLeft, AlignRight, AlignHCenter };
     66 
     67     enum TextBaseline { AlphabeticTextBaseline, TopTextBaseline, MiddleTextBaseline, BottomTextBaseline, IdeographicTextBaseline, HangingTextBaseline };
     68 
     69     enum TextAlign { StartTextAlign, EndTextAlign, LeftTextAlign, CenterTextAlign, RightTextAlign };
     70 
     71     String compositeOperatorName(CompositeOperator);
     72     bool parseCompositeOperator(const String&, CompositeOperator&);
     73 
     74     String lineCapName(LineCap);
     75     bool parseLineCap(const String&, LineCap&);
     76 
     77     String lineJoinName(LineJoin);
     78     bool parseLineJoin(const String&, LineJoin&);
     79 
     80     String textAlignName(TextAlign);
     81     bool parseTextAlign(const String&, TextAlign&);
     82 
     83     String textBaselineName(TextBaseline);
     84     bool parseTextBaseline(const String&, TextBaseline&);
     85 
     86 } // namespace WebCore
     87 
     88 #endif
     89