/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#pragma once

#include <wmfemfhelper.hxx>

#include <basegfx/matrix/b2dhommatrix.hxx>

#include <drawinglayer/attribute/linestartendattribute.hxx>

#include <tools/stream.hxx>

#include <basegfx/point/b2dpoint.hxx>

#include <map>

// predefines

namespace basegfx { class B2DPolyPolygon; }

namespace emfplushelper

{

    // EMF+ commands

    #define EmfPlusRecordTypeHeader 0x4001

    #define EmfPlusRecordTypeEndOfFile 0x4002

    #define EmfPlusRecordTypeComment 0x4003

    #define EmfPlusRecordTypeGetDC 0x4004

    //TODO EmfPlusRecordTypeMultiFormatStart 0x4005

    //TODO EmfPlusRecordTypeMultiFormatSection 0x4006

    //TODO EmfPlusRecordTypeMultiFormatEnd 0x4007

    #define EmfPlusRecordTypeObject 0x4008

    //TODO EmfPlusRecordTypeClear 0x4009

    #define EmfPlusRecordTypeFillRects 0x400A

    #define EmfPlusRecordTypeDrawRects 0x400B

    #define EmfPlusRecordTypeFillPolygon 0x400C

    #define EmfPlusRecordTypeDrawLines 0x400D

    #define EmfPlusRecordTypeFillEllipse 0x400E

    #define EmfPlusRecordTypeDrawEllipse 0x400F

    #define EmfPlusRecordTypeFillPie 0x4010

    #define EmfPlusRecordTypeDrawPie 0x4011

    #define EmfPlusRecordTypeDrawArc 0x4012

    #define EmfPlusRecordTypeFillRegion 0x4013

    #define EmfPlusRecordTypeFillPath 0x4014

    #define EmfPlusRecordTypeDrawPath 0x4015

    #define EmfPlusRecordTypeFillClosedCurve 0x4016

    #define EmfPlusRecordTypeDrawClosedCurve 0x4017

    #define EmfPlusRecordTypeDrawCurve 0x4018

    #define EmfPlusRecordTypeDrawBeziers 0x4019

    #define EmfPlusRecordTypeDrawImage 0x401A

    #define EmfPlusRecordTypeDrawImagePoints 0x401B

    #define EmfPlusRecordTypeDrawString 0x401C

    #define EmfPlusRecordTypeSetRenderingOrigin 0x401D

    #define EmfPlusRecordTypeSetAntiAliasMode 0x401E

    #define EmfPlusRecordTypeSetTextRenderingHint 0x401F

    #define EmfPlusRecordTypeSetTextContrast 0x4020

    #define EmfPlusRecordTypeSetInterpolationMode 0x4021

    #define EmfPlusRecordTypeSetPixelOffsetMode 0x4022

    //TODO EmfPlusRecordTypeSetCompositingMode 0x4023

    #define EmfPlusRecordTypeSetCompositingQuality 0x4024

    #define EmfPlusRecordTypeSave 0x4025

    #define EmfPlusRecordTypeRestore 0x4026

    #define EmfPlusRecordTypeBeginContainer 0x4027

    #define EmfPlusRecordTypeBeginContainerNoParams 0x4028

    #define EmfPlusRecordTypeEndContainer 0x4029

    #define EmfPlusRecordTypeSetWorldTransform 0x402A

    #define EmfPlusRecordTypeResetWorldTransform 0x402B

    #define EmfPlusRecordTypeMultiplyWorldTransform 0x402C

    #define EmfPlusRecordTypeTranslateWorldTransform 0x402D

    #define EmfPlusRecordTypeScaleWorldTransform 0x402E

    #define EmfPlusRecordTypeRotateWorldTransform 0x402F

    #define EmfPlusRecordTypeSetPageTransform 0x4030

    #define EmfPlusRecordTypeResetClip 0x4031

    #define EmfPlusRecordTypeSetClipRect 0x4032

    #define EmfPlusRecordTypeSetClipPath 0x4033

    #define EmfPlusRecordTypeSetClipRegion 0x4034

    #define EmfPlusRecordTypeOffsetClip 0x4035

    #define EmfPlusRecordTypeDrawDriverString 0x4036

    //TODO EmfPlusRecordTypeStrokeFillPath 0x4037

    //TODO EmfPlusRecordTypeSerializableObject 0x4038

    //TODO EmfPlusRecordTypeSetTSGraphics 0x4039

    //TODO EmfPlusRecordTypeSetTSClip 0x403A

    // EMF+object types

    #define EmfPlusObjectTypeBrush 0x100

    #define EmfPlusObjectTypePen 0x200

    #define EmfPlusObjectTypePath 0x300

    #define EmfPlusObjectTypeRegion 0x400

    #define EmfPlusObjectTypeImage 0x500

    #define EmfPlusObjectTypeFont 0x600

    #define EmfPlusObjectTypeStringFormat 0x700

    #define EmfPlusObjectTypeImageAttributes 0x800

    #define EmfPlusObjectTypeCustomLineCap 0x900

    enum PixelOffsetMode

    {

        PixelOffsetModeDefault = 0x00,

        PixelOffsetModeHighSpeed = 0x01,

        PixelOffsetModeHighQuality = 0x02,

        PixelOffsetModeNone = 0x03,

        PixelOffsetModeHalf = 0x04

    };

    enum SmoothingMode

    {

        SmoothingModeDefault = 0x00,

        SmoothingModeHighSpeed = 0x01,

        SmoothingModeHighQuality = 0x02,

        SmoothingModeNone = 0x03,

        SmoothingModeAntiAlias8x4 = 0x04,

        SmoothingModeAntiAlias8x8 = 0x05

    };

    enum InterpolationMode

    {

        InterpolationModeDefault = 0x00,

        InterpolationModeLowQuality = 0x01,

        InterpolationModeHighQuality = 0x02,

        InterpolationModeBilinear = 0x03,

        InterpolationModeBicubic = 0x04,

        InterpolationModeNearestNeighbor = 0x05,

        InterpolationModeHighQualityBilinear = 0x06,

        InterpolationModeHighQualityBicubic = 0x07

    };

    enum TextRenderingHint

    {

        TextRenderingHintSystemDefault = 0x00,

        TextRenderingHintSingleBitPerPixelGridFit = 0x01,

        TextRenderingHintSingleBitPerPixel = 0x02,

        TextRenderingHintAntialiasGridFit = 0x03,

        TextRenderingHintAntialias = 0x04,

        TextRenderingHintClearTypeGridFit = 0x05

    };

    enum UnitType

    {

        UnitTypeWorld = 0x00,

        UnitTypeDisplay = 0x01,

        UnitTypePixel = 0x02,

        UnitTypePoint = 0x03,

        UnitTypeInch = 0x04,

        UnitTypeDocument = 0x05,

        UnitTypeMillimeter = 0x06

    };

    enum EmfPlusCombineMode

    {

        EmfPlusCombineModeReplace = 0x00000000,

        EmfPlusCombineModeIntersect = 0x00000001,

        EmfPlusCombineModeUnion = 0x00000002,

        EmfPlusCombineModeXOR = 0x00000003,

        EmfPlusCombineModeExclude = 0x00000004,

        EmfPlusCombineModeComplement = 0x00000005

    };

    const char* emfTypeToName(sal_uInt16 type);

    OUString UnitTypeToString(sal_uInt16 nType);

    struct EMFPObject

    {

        virtual ~EMFPObject();

    };

    typedef std::map<int, wmfemfhelper::PropertyHolder> GraphicStateMap;

    struct EmfPlusHelperData

    {

    private:

        /* EMF+ */

        basegfx::B2DHomMatrix       maBaseTransform;

        basegfx::B2DHomMatrix       maWorldTransform;

        basegfx::B2DHomMatrix       maMapTransform;

        std::unique_ptr<EMFPObject> maEMFPObjects[256];

        double                      mfPageScaleX;

        double                      mfPageScaleY;

        sal_Int32                   mnOriginX;

        sal_Int32                   mnOriginY;

        sal_uInt32                  mnHDPI;

        sal_uInt32                  mnVDPI;

        bool                        mbSetTextContrast;

        sal_uInt16                  mnTextContrast;

        /* EMF+ emf header info */

        sal_Int32                   mnFrameLeft;

        sal_Int32                   mnFrameTop;

        sal_Int32                   mnFrameRight;

        sal_Int32                   mnFrameBottom;

        sal_Int32                   mnPixX;

        sal_Int32                   mnPixY;

        sal_Int32                   mnMmX;

        sal_Int32                   mnMmY;

        /* multipart object data */

        bool                        mbMultipart;

        sal_uInt16                  mMFlags;

        SvMemoryStream              mMStream;

        /* emf+ graphic state stack */

        GraphicStateMap             mGSStack;

        GraphicStateMap             mGSContainerStack;

        /* Performance optimizators */

        /* Extracted Scale values from Transformation Matrix */

        double mdExtractedXScale;

        double mdExtractedYScale;

        /// data holders

        wmfemfhelper::TargetHolders&    mrTargetHolders;

        wmfemfhelper::PropertyHolders&  mrPropertyHolders;

        wmfemfhelper::PropertyHolder    aGetDCState;

        bool                            bIsGetDCProcessing;

        // readers

        void processObjectRecord(SvMemoryStream& rObjectStream, sal_uInt16 flags, sal_uInt32 dataSize, bool bUseWholeStream = false);

        static void ReadPoint(SvStream& s, float& x, float& y, sal_uInt32 flags);

        // internal mapper

        void mappingChanged();

        // stack actions

        void GraphicStatePush(GraphicStateMap& map, sal_Int32 index);

        void GraphicStatePop(GraphicStateMap& map, sal_Int32 index);

        drawinglayer::attribute::LineStartEndAttribute CreateLineEnd(const sal_Int32 aCap,

                                                                     const float aPenWidth) const;

        // primitive creators

        void EMFPPlusDrawPolygon(const ::basegfx::B2DPolyPolygon& polygon, sal_uInt32 penIndex);

        void EMFPPlusFillPolygon(const ::basegfx::B2DPolyPolygon& polygon, const bool isColor, const sal_uInt32 brushIndexOrColor);

        void EMFPPlusFillPolygonSolidColor(const ::basegfx::B2DPolyPolygon& polygon, Color const& color);

        // helper functions

        Color EMFPGetBrushColorOrARGBColor(const sal_uInt16 flags, const sal_uInt32 brushIndexOrColor) const;

        enum class Direction

        {

            horizontal,

            vertical

        };

        sal_uInt32 DPI(Direction d) { return d == Direction::horizontal ? mnHDPI : mnVDPI; }

        double unitToPixel(double n, sal_uInt32 aUnitType, Direction d);

    public:

        EmfPlusHelperData(

            SvMemoryStream& rMS,

            wmfemfhelper::TargetHolders& rTargetHolders,

            wmfemfhelper::PropertyHolders& rPropertyHolders);

        ~EmfPlusHelperData();

        void processEmfPlusData(

            SvMemoryStream& rMS,

            const drawinglayer::geometry::ViewInformation2D& rViewInformation);

        // mappers

        ::basegfx::B2DPoint Map(double ix, double iy) const;

        // readers

        static void ReadRectangle(SvStream& s, float& x, float& y, float &width, float& height, bool bCompressed = false);

        static bool readXForm(SvStream& rIn, basegfx::B2DHomMatrix& rTarget);

        static ::basegfx::B2DPolyPolygon combineClip(::basegfx::B2DPolyPolygon const & leftPolygon, int combineMode, ::basegfx::B2DPolyPolygon const & rightPolygon);

    };

}

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