/*
    Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                  2004, 2005 Rob Buis <buis@kde.org>
    Copyright (C) Research In Motion Limited 2010. All rights reserved.

    Based on khtml code by:
    Copyright (C) 2000-2003 Lars Knoll (knoll@kde.org)
              (C) 2000 Antti Koivisto (koivisto@kde.org)
              (C) 2000-2003 Dirk Mueller (mueller@kde.org)
              (C) 2002-2003 Apple Computer, Inc.

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef SVGRenderStyleDefs_h
#define SVGRenderStyleDefs_h

#include "core/svg/SVGLength.h"
#include "core/svg/SVGLengthList.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"

namespace blink {

    enum SVGPaintType {
        SVG_PAINTTYPE_UNKNOWN,
        SVG_PAINTTYPE_RGBCOLOR,
        SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR,
        SVG_PAINTTYPE_NONE,
        SVG_PAINTTYPE_CURRENTCOLOR,
        SVG_PAINTTYPE_URI_NONE,
        SVG_PAINTTYPE_URI_CURRENTCOLOR,
        SVG_PAINTTYPE_URI_RGBCOLOR,
        SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR,
        SVG_PAINTTYPE_URI
    };

    enum EBaselineShift {
        BS_BASELINE, BS_SUB, BS_SUPER, BS_LENGTH
    };

    enum ETextAnchor {
        TA_START, TA_MIDDLE, TA_END
    };

    enum EColorInterpolation {
        CI_AUTO, CI_SRGB, CI_LINEARRGB
    };

    enum EColorRendering {
        CR_AUTO, CR_OPTIMIZESPEED, CR_OPTIMIZEQUALITY
    };
    enum EShapeRendering {
        SR_AUTO, SR_OPTIMIZESPEED, SR_CRISPEDGES, SR_GEOMETRICPRECISION
    };

    enum SVGWritingMode {
        WM_LRTB, WM_LR, WM_RLTB, WM_RL, WM_TBRL, WM_TB
    };

    enum EGlyphOrientation {
        GO_0DEG, GO_90DEG, GO_180DEG, GO_270DEG, GO_AUTO
    };

    enum EAlignmentBaseline {
        AB_AUTO, AB_BASELINE, AB_BEFORE_EDGE, AB_TEXT_BEFORE_EDGE,
        AB_MIDDLE, AB_CENTRAL, AB_AFTER_EDGE, AB_TEXT_AFTER_EDGE,
        AB_IDEOGRAPHIC, AB_ALPHABETIC, AB_HANGING, AB_MATHEMATICAL
    };

    enum EDominantBaseline {
        DB_AUTO, DB_USE_SCRIPT, DB_NO_CHANGE, DB_RESET_SIZE,
        DB_IDEOGRAPHIC, DB_ALPHABETIC, DB_HANGING, DB_MATHEMATICAL,
        DB_CENTRAL, DB_MIDDLE, DB_TEXT_AFTER_EDGE, DB_TEXT_BEFORE_EDGE
    };

    enum EVectorEffect {
        VE_NONE,
        VE_NON_SCALING_STROKE
    };

    enum EBufferedRendering {
        BR_AUTO,
        BR_DYNAMIC,
        BR_STATIC
    };

    enum EMaskType {
        MT_LUMINANCE,
        MT_ALPHA
    };

    enum EPaintOrderType {
        PT_NONE    = 0,
        PT_FILL    = 1,
        PT_STROKE  = 2,
        PT_MARKERS = 3
    };

    const int kPaintOrderBitwidth = 2;
    typedef unsigned EPaintOrder;
    const unsigned PO_NORMAL = PT_FILL | PT_STROKE << 2 | PT_MARKERS << 4;

    // Inherited/Non-Inherited Style Datastructures
    class StyleFillData : public RefCounted<StyleFillData> {
    public:
        static PassRefPtr<StyleFillData> create() { return adoptRef(new StyleFillData); }
        PassRefPtr<StyleFillData> copy() const { return adoptRef(new StyleFillData(*this)); }

        bool operator==(const StyleFillData&) const;
        bool operator!=(const StyleFillData& other) const
        {
            return !(*this == other);
        }

        float opacity;
        SVGPaintType paintType;
        Color paintColor;
        String paintUri;
        SVGPaintType visitedLinkPaintType;
        Color visitedLinkPaintColor;
        String visitedLinkPaintUri;

    private:
        StyleFillData();
        StyleFillData(const StyleFillData&);
    };

    class StyleStrokeData : public RefCounted<StyleStrokeData> {
    public:
        static PassRefPtr<StyleStrokeData> create() { return adoptRef(new StyleStrokeData); }
        PassRefPtr<StyleStrokeData> copy() const { return adoptRef(new StyleStrokeData(*this)); }

        bool operator==(const StyleStrokeData&) const;
        bool operator!=(const StyleStrokeData& other) const
        {
            return !(*this == other);
        }

        float opacity;
        float miterLimit;

        RefPtr<SVGLength> width;
        RefPtr<SVGLength> dashOffset;
        RefPtr<SVGLengthList> dashArray;

        SVGPaintType paintType;
        Color paintColor;
        String paintUri;
        SVGPaintType visitedLinkPaintType;
        Color visitedLinkPaintColor;
        String visitedLinkPaintUri;

    private:
        StyleStrokeData();
        StyleStrokeData(const StyleStrokeData&);
    };

    class StyleStopData : public RefCounted<StyleStopData> {
    public:
        static PassRefPtr<StyleStopData> create() { return adoptRef(new StyleStopData); }
        PassRefPtr<StyleStopData> copy() const { return adoptRef(new StyleStopData(*this)); }

        bool operator==(const StyleStopData&) const;
        bool operator!=(const StyleStopData& other) const
        {
            return !(*this == other);
        }

        float opacity;
        Color color;

    private:
        StyleStopData();
        StyleStopData(const StyleStopData&);
    };

    // Note: the rule for this class is, *no inheritance* of these props
    class StyleMiscData : public RefCounted<StyleMiscData> {
    public:
        static PassRefPtr<StyleMiscData> create() { return adoptRef(new StyleMiscData); }
        PassRefPtr<StyleMiscData> copy() const { return adoptRef(new StyleMiscData(*this)); }

        bool operator==(const StyleMiscData&) const;
        bool operator!=(const StyleMiscData& other) const
        {
            return !(*this == other);
        }

        Color floodColor;
        float floodOpacity;
        Color lightingColor;

        RefPtr<SVGLength> baselineShiftValue;

    private:
        StyleMiscData();
        StyleMiscData(const StyleMiscData&);
    };

    // Non-inherited resources
    class StyleResourceData : public RefCounted<StyleResourceData> {
    public:
        static PassRefPtr<StyleResourceData> create() { return adoptRef(new StyleResourceData); }
        PassRefPtr<StyleResourceData> copy() const { return adoptRef(new StyleResourceData(*this)); }

        bool operator==(const StyleResourceData&) const;
        bool operator!=(const StyleResourceData& other) const
        {
            return !(*this == other);
        }

        AtomicString clipper;
        AtomicString filter;
        AtomicString masker;

    private:
        StyleResourceData();
        StyleResourceData(const StyleResourceData&);
    };

    // Inherited resources
    class StyleInheritedResourceData : public RefCounted<StyleInheritedResourceData> {
    public:
        static PassRefPtr<StyleInheritedResourceData> create() { return adoptRef(new StyleInheritedResourceData); }
        PassRefPtr<StyleInheritedResourceData> copy() const { return adoptRef(new StyleInheritedResourceData(*this)); }

        bool operator==(const StyleInheritedResourceData&) const;
        bool operator!=(const StyleInheritedResourceData& other) const
        {
            return !(*this == other);
        }

        AtomicString markerStart;
        AtomicString markerMid;
        AtomicString markerEnd;

    private:
        StyleInheritedResourceData();
        StyleInheritedResourceData(const StyleInheritedResourceData&);
    };

} // namespace blink

#endif // SVGRenderStyleDefs_h
