/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"

// include ---------------------------------------------------------------
#include <com/sun/star/container/XNameContainer.hpp>
#include "svx/XPropertyTable.hxx"
#include <unotools/ucbstreamhelper.hxx>
#include <vcl/svapp.hxx>
#include "xmlxtexp.hxx"
#include "xmlxtimp.hxx"
#include <tools/urlobj.hxx>
#include <vcl/virdev.hxx>
#include <svx/dialogs.hrc>
#include <svx/dialmgr.hxx>
#include <svx/xtable.hxx>
#include <drawinglayer/attribute/fillhatchattribute.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/processor2d/processor2dtools.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>

using namespace ::com::sun::star;
using namespace ::rtl;

sal_Unicode const pszExtHatch[]	 = {'s','o','h'};
//char const aChckHatch[]  = { 0x04, 0x00, 'S','O','H','L'};	// < 5.2
//char const aChckHatch0[] = { 0x04, 0x00, 'S','O','H','0'};	// = 5.2
//char const aChckXML[]    = { '<', '?', 'x', 'm', 'l' };		// = 6.0

// -----------------
// class XHatchList
// -----------------

XHatchList::XHatchList(const String& rPath )
:   XPropertyList(rPath)
{
}

XHatchList::~XHatchList()
{
}

XHatchEntry* XHatchList::Replace(XHatchEntry* pEntry, long nIndex )
{
	return (XHatchEntry*) XPropertyList::Replace(pEntry, nIndex);
}

XHatchEntry* XHatchList::Remove(long nIndex)
{
	return (XHatchEntry*) XPropertyList::Remove(nIndex);
}

XHatchEntry* XHatchList::GetHatch(long nIndex) const
{
	return (XHatchEntry*) XPropertyList::Get(nIndex);
}

bool XHatchList::Load()
{
	if( mbListDirty )
	{
		mbListDirty = false;

		INetURLObject aURL( maPath );

		if( INET_PROT_NOT_VALID == aURL.GetProtocol() )
		{
			OSL_ENSURE( !maPath.Len(), "invalid URL" );
			return false;
		}

		aURL.Append( maName );

		if( !aURL.getExtension().getLength() )
			aURL.setExtension( rtl::OUString( pszExtHatch, 3 ) );

		uno::Reference< container::XNameContainer > xTable( SvxUnoXHatchTable_createInstance( this ), uno::UNO_QUERY );
		return SvxXMLXTableImport::load( aURL.GetMainURL( INetURLObject::NO_DECODE ), xTable );
	}

    return false;
}

bool XHatchList::Save()
{
	INetURLObject aURL( maPath );

	if( INET_PROT_NOT_VALID == aURL.GetProtocol() )
	{
		OSL_ENSURE( !maPath.Len(), "invalid URL" );
		return false;
	}

	aURL.Append( maName );

	if( !aURL.getExtension().getLength() )
		aURL.setExtension( rtl::OUString( pszExtHatch, 3 ) );

	uno::Reference< container::XNameContainer > xTable( SvxUnoXHatchTable_createInstance( this ), uno::UNO_QUERY );
	return SvxXMLXTableExportComponent::save( aURL.GetMainURL( INetURLObject::NO_DECODE ), xTable );
}

bool XHatchList::Create()
{
	XubString aStr( SVX_RES( RID_SVXSTR_HATCH ) );
	xub_StrLen nLen;

	aStr.AppendAscii(" 1");
	nLen = aStr.Len() - 1;
	Insert(new XHatchEntry(XHatch(RGB_Color(COL_BLACK),XHATCH_SINGLE,100,  0),aStr));
	aStr.SetChar(nLen, sal_Unicode('2'));
	Insert(new XHatchEntry(XHatch(RGB_Color(COL_RED  ),XHATCH_DOUBLE, 80,450),aStr));
	aStr.SetChar(nLen, sal_Unicode('3'));
	Insert(new XHatchEntry(XHatch(RGB_Color(COL_BLUE ),XHATCH_TRIPLE,120,  0),aStr));

	return true;
}

Bitmap XHatchList::CreateBitmapForUI( long nIndex )
{
    Bitmap aRetval;
    OSL_ENSURE(nIndex < Count(), "OOps, access out of range (!)");

    if(nIndex < Count())
    {
        const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
        const Size& rSize = rStyleSettings.GetListBoxPreviewDefaultPixelSize();

        // prepare polygon geometry for rectangle
        const basegfx::B2DPolygon aRectangle(
            basegfx::tools::createPolygonFromRect(
                basegfx::B2DRange(0.0, 0.0, rSize.Width(), rSize.Height())));

        const XHatch& rHatch = GetHatch(nIndex)->GetHatch();
        drawinglayer::attribute::HatchStyle aHatchStyle(drawinglayer::attribute::HATCHSTYLE_TRIPLE);

        switch(rHatch.GetHatchStyle())
        {
            case XHATCH_SINGLE : 
            {
                aHatchStyle = drawinglayer::attribute::HATCHSTYLE_SINGLE; 
                break;
            }
            case XHATCH_DOUBLE : 
            {
                aHatchStyle = drawinglayer::attribute::HATCHSTYLE_DOUBLE; 
                break;
            }
            default : 
            {
                aHatchStyle = drawinglayer::attribute::HATCHSTYLE_TRIPLE; // XHATCH_TRIPLE
                break;
            }
        }

        const basegfx::B2DHomMatrix aScaleMatrix(OutputDevice::LogicToLogic(MAP_100TH_MM, MAP_PIXEL));
        const basegfx::B2DVector aScaleVector(aScaleMatrix * basegfx::B2DVector(1.0, 0.0));
        const double fScaleValue(aScaleVector.getLength());

        const drawinglayer::attribute::FillHatchAttribute aFillHatch(
            aHatchStyle,
            (double)rHatch.GetDistance() * fScaleValue,
            (double)rHatch.GetAngle() * F_PI1800,
            rHatch.GetColor().getBColor(),
            3, // same default as VCL, a minimum of three discrete units (pixels) offset
            false);

        const basegfx::BColor aBlack(0.0, 0.0, 0.0);
        const drawinglayer::primitive2d::Primitive2DReference aHatchPrimitive(
            new drawinglayer::primitive2d::PolyPolygonHatchPrimitive2D(
                basegfx::B2DPolyPolygon(aRectangle),
                aBlack,
                aFillHatch));

        const drawinglayer::primitive2d::Primitive2DReference aBlackRectanglePrimitive(
            new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(
                aRectangle,
                aBlack));

        // prepare VirtualDevice
        VirtualDevice aVirtualDevice;
        const drawinglayer::geometry::ViewInformation2D aNewViewInformation2D;

        aVirtualDevice.SetOutputSizePixel(rSize);
        aVirtualDevice.SetDrawMode(rStyleSettings.GetHighContrastMode()
            ? DRAWMODE_SETTINGSLINE | DRAWMODE_SETTINGSFILL | DRAWMODE_SETTINGSTEXT | DRAWMODE_SETTINGSGRADIENT
            : DRAWMODE_DEFAULT);

        if(rStyleSettings.GetPreviewUsesCheckeredBackground())
        {
            const Point aNull(0, 0);
            static const sal_uInt32 nLen(8);
            static const Color aW(COL_WHITE);
            static const Color aG(0xef, 0xef, 0xef);

            aVirtualDevice.DrawCheckered(aNull, rSize, nLen, aW, aG);
        }
        else
        {
            aVirtualDevice.SetBackground(rStyleSettings.GetFieldColor());
            aVirtualDevice.Erase();
        }

        // create processor and draw primitives
        drawinglayer::processor2d::BaseProcessor2D* pProcessor2D = drawinglayer::processor2d::createPixelProcessor2DFromOutputDevice(
            aVirtualDevice, 
            aNewViewInformation2D);

        if(pProcessor2D)
        {
            drawinglayer::primitive2d::Primitive2DSequence aSequence(2);

            aSequence[0] = aHatchPrimitive;
            aSequence[1] = aBlackRectanglePrimitive;

            pProcessor2D->process(aSequence);
            delete pProcessor2D;
        }

        // get result bitmap and scale
        aRetval = aVirtualDevice.GetBitmap(Point(0, 0), aVirtualDevice.GetOutputSizePixel());
    }

    return aRetval;
}

//////////////////////////////////////////////////////////////////////////////
// eof