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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 namespace WebCore {
30 
31     class String;
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