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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 #include "platform/PlatformExport.h"
     30 #include "public/platform/WebBlendMode.h"
     31 #include "third_party/skia/include/core/SkPaint.h"
     32 #include "wtf/Forward.h"
     33 
     34 namespace WebCore {
     35 
     36 enum StrokeStyle {
     37     NoStroke,
     38     SolidStroke,
     39     DottedStroke,
     40     DashedStroke,
     41     DoubleStroke,
     42     WavyStroke,
     43 };
     44 
     45 enum InterpolationQuality {
     46     InterpolationDefault,
     47     InterpolationNone,
     48     InterpolationLow,
     49     InterpolationMedium,
     50     InterpolationHigh
     51 };
     52 
     53 enum CompositeOperator {
     54     CompositeClear,
     55     CompositeCopy,
     56     CompositeSourceOver,
     57     CompositeSourceIn,
     58     CompositeSourceOut,
     59     CompositeSourceAtop,
     60     CompositeDestinationOver,
     61     CompositeDestinationIn,
     62     CompositeDestinationOut,
     63     CompositeDestinationAtop,
     64     CompositeXOR,
     65     CompositePlusDarker,
     66     CompositePlusLighter,
     67     CompositeDifference
     68 };
     69 
     70 enum GradientSpreadMethod {
     71     SpreadMethodPad,
     72     SpreadMethodReflect,
     73     SpreadMethodRepeat
     74 };
     75 
     76 enum LineCap {
     77     ButtCap = SkPaint::kButt_Cap,
     78     RoundCap = SkPaint::kRound_Cap,
     79     SquareCap = SkPaint::kSquare_Cap
     80 };
     81 
     82 enum LineJoin {
     83     MiterJoin = SkPaint::kMiter_Join,
     84     RoundJoin = SkPaint::kRound_Join,
     85     BevelJoin = SkPaint::kBevel_Join
     86 };
     87 
     88 enum HorizontalAlignment { AlignLeft, AlignRight, AlignHCenter };
     89 
     90 enum TextBaseline { AlphabeticTextBaseline, TopTextBaseline, MiddleTextBaseline, BottomTextBaseline, IdeographicTextBaseline, HangingTextBaseline };
     91 
     92 enum TextAlign { StartTextAlign, EndTextAlign, LeftTextAlign, CenterTextAlign, RightTextAlign };
     93 
     94 enum TextDrawingMode {
     95     TextModeFill      = 1 << 0,
     96     TextModeStroke    = 1 << 1,
     97 };
     98 typedef unsigned TextDrawingModeFlags;
     99 
    100 enum ColorFilter {
    101     ColorFilterNone,
    102     ColorFilterLuminanceToAlpha,
    103     ColorFilterSRGBToLinearRGB,
    104     ColorFilterLinearRGBToSRGB
    105 };
    106 
    107 PLATFORM_EXPORT String compositeOperatorName(CompositeOperator, blink::WebBlendMode);
    108 PLATFORM_EXPORT bool parseCompositeAndBlendOperator(const String&, CompositeOperator&, blink::WebBlendMode&);
    109 
    110 PLATFORM_EXPORT String lineCapName(LineCap);
    111 PLATFORM_EXPORT bool parseLineCap(const String&, LineCap&);
    112 
    113 PLATFORM_EXPORT String lineJoinName(LineJoin);
    114 PLATFORM_EXPORT bool parseLineJoin(const String&, LineJoin&);
    115 
    116 PLATFORM_EXPORT String textAlignName(TextAlign);
    117 PLATFORM_EXPORT bool parseTextAlign(const String&, TextAlign&);
    118 
    119 PLATFORM_EXPORT String textBaselineName(TextBaseline);
    120 PLATFORM_EXPORT bool parseTextBaseline(const String&, TextBaseline&);
    121 
    122 } // namespace WebCore
    123 
    124 #endif
    125