WebCore/GraphicsTypes.h

   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     enum LineCap { ButtCap, RoundCap, SquareCap };
  54
  55     enum LineJoin { MiterJoin, RoundJoin, BevelJoin };
  56
  57     enum HorizontalAlignment { AlignLeft, AlignRight, AlignHCenter };
  58
  59     enum TextBaseline { AlphabeticTextBaseline, TopTextBaseline, MiddleTextBaseline, BottomTextBaseline, IdeographicTextBaseline, HangingTextBaseline };
  60
  61     enum TextAlign { StartTextAlign, EndTextAlign, LeftTextAlign, CenterTextAlign, RightTextAlign };
  62
  63     String compositeOperatorName(CompositeOperator);
  64     bool parseCompositeOperator(const String&, CompositeOperator&);
  65
  66     String lineCapName(LineCap);
  67     bool parseLineCap(const String&, LineCap&);
  68
  69     String lineJoinName(LineJoin);
  70     bool parseLineJoin(const String&, LineJoin&);
  71
  72     String textAlignName(TextAlign);
  73     bool parseTextAlign(const String&, TextAlign&);
  74
  75     String textBaselineName(TextBaseline);
  76     bool parseTextBaseline(const String&, TextBaseline&);
  77
  78 } // namespace WebCore
  79
  80 #endif