/**************************************************************
 * 
 * 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_drawinglayer.hxx"

#include <drawinglayer/texture/texture3d.hxx>
#include <vcl/bmpacc.hxx>
#include <drawinglayer/primitive3d/hatchtextureprimitive3d.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace texture
	{
		GeoTexSvxMono::GeoTexSvxMono(const basegfx::BColor& rSingleColor, double fOpacity)
		:	maSingleColor(rSingleColor),
			mfOpacity(fOpacity)
		{
		}

		bool GeoTexSvxMono::operator==(const GeoTexSvx& rGeoTexSvx) const
		{
			const GeoTexSvxMono* pCompare = dynamic_cast< const GeoTexSvxMono* >(&rGeoTexSvx);
			return (pCompare 
				&& maSingleColor == pCompare->maSingleColor
				&& mfOpacity == pCompare->mfOpacity);
		}

		void GeoTexSvxMono::modifyBColor(const basegfx::B2DPoint& /*rUV*/, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
		{
			rBColor = maSingleColor;
		}

		void GeoTexSvxMono::modifyOpacity(const basegfx::B2DPoint& /*rUV*/, double& rfOpacity) const
		{
			rfOpacity = mfOpacity;
		}
	} // end of namespace texture
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace texture
	{
		GeoTexSvxBitmap::GeoTexSvxBitmap(const Bitmap& rBitmap, const basegfx::B2DPoint& rTopLeft, const basegfx::B2DVector& rSize)
		:	maBitmap(rBitmap),
			mpRead(0L),
			maTopLeft(rTopLeft),
			maSize(rSize),
			mfMulX(0.0),
			mfMulY(0.0)
		{
			mpRead = maBitmap.AcquireReadAccess();
			OSL_ENSURE(mpRead, "GeoTexSvxBitmap: Got no read access to Bitmap (!)");
			mfMulX = (double)mpRead->Width() / maSize.getX();
			mfMulY = (double)mpRead->Height() / maSize.getY();
		}

		GeoTexSvxBitmap::~GeoTexSvxBitmap()
		{
			delete mpRead;
		}

		bool GeoTexSvxBitmap::impIsValid(const basegfx::B2DPoint& rUV, sal_Int32& rX, sal_Int32& rY) const
		{
			if(mpRead)
			{
				rX = (sal_Int32)((rUV.getX() - maTopLeft.getX()) * mfMulX);

				if(rX >= 0L && rX < mpRead->Width())
				{
					rY = (sal_Int32)((rUV.getY() - maTopLeft.getY()) * mfMulY);

					return (rY >= 0L && rY < mpRead->Height());
				}
			}

			return false;
		}

		void GeoTexSvxBitmap::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
		{
			sal_Int32 nX, nY;

			if(impIsValid(rUV, nX, nY))
			{
				const double fConvertColor(1.0 / 255.0);
				const BitmapColor aBMCol(mpRead->GetColor(nY, nX));
				const basegfx::BColor aBSource(
					(double)aBMCol.GetRed() * fConvertColor, 
					(double)aBMCol.GetGreen() * fConvertColor, 
					(double)aBMCol.GetBlue() * fConvertColor);

				rBColor = aBSource;
			}
			else
			{
				rfOpacity = 0.0;
			}
		}

		void GeoTexSvxBitmap::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
		{
			sal_Int32 nX, nY;

			if(impIsValid(rUV, nX, nY))
			{
				const BitmapColor aBMCol(mpRead->GetColor(nY, nX));
				const Color aColor(aBMCol.GetRed(), aBMCol.GetGreen(), aBMCol.GetBlue());

				rfOpacity = ((double)(0xff - aColor.GetLuminance()) * (1.0 / 255.0));
			}
			else
			{
				rfOpacity = 0.0;
			}
		}
	} // end of namespace texture
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace texture
	{
		GeoTexSvxBitmapTiled::GeoTexSvxBitmapTiled(const Bitmap& rBitmap, const basegfx::B2DPoint& rTopLeft, const basegfx::B2DVector& rSize)
		:	GeoTexSvxBitmap(rBitmap, rTopLeft, rSize)
		{
		}

		void GeoTexSvxBitmapTiled::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
		{
			if(mpRead)
			{
				GeoTexSvxBitmap::modifyBColor(impGetCorrected(rUV), rBColor, rfOpacity);
			}
		}

		void GeoTexSvxBitmapTiled::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
		{
			if(mpRead)
			{
				GeoTexSvxBitmap::modifyOpacity(impGetCorrected(rUV), rfOpacity);
			}
		}
	} // end of namespace texture
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace texture
	{
		GeoTexSvxMultiHatch::GeoTexSvxMultiHatch(const primitive3d::HatchTexturePrimitive3D& rPrimitive, double fLogicPixelSize)
		:	mfLogicPixelSize(fLogicPixelSize),
			mp0(0L),
			mp1(0L),
			mp2(0L)
		{
			const attribute::FillHatchAttribute& rHatch(rPrimitive.getHatch());
			const basegfx::B2DRange aOutlineRange(0.0, 0.0, rPrimitive.getTextureSize().getX(), rPrimitive.getTextureSize().getY());
			const double fAngleA(rHatch.getAngle());
			maColor = rHatch.getColor();
			mbFillBackground = rHatch.isFillBackground();
			mp0 = new GeoTexSvxHatch(aOutlineRange, rHatch.getDistance(), fAngleA);

			if(attribute::HATCHSTYLE_DOUBLE == rHatch.getStyle() || attribute::HATCHSTYLE_TRIPLE == rHatch.getStyle())
			{
				mp1 = new GeoTexSvxHatch(aOutlineRange, rHatch.getDistance(), fAngleA + F_PI2);
			}

			if(attribute::HATCHSTYLE_TRIPLE == rHatch.getStyle())
			{
				mp2 = new GeoTexSvxHatch(aOutlineRange, rHatch.getDistance(), fAngleA + F_PI4);
			}
		}

		GeoTexSvxMultiHatch::~GeoTexSvxMultiHatch()
		{
			delete mp0;
			delete mp1;
			delete mp2;
		}

		bool GeoTexSvxMultiHatch::impIsOnHatch(const basegfx::B2DPoint& rUV) const
		{
			if(mp0->getDistanceToHatch(rUV) < mfLogicPixelSize)
			{
				return true;
			}

			if(mp1 && mp1->getDistanceToHatch(rUV) < mfLogicPixelSize)
			{
				return true;
			}

			if(mp2 && mp2->getDistanceToHatch(rUV) < mfLogicPixelSize)
			{
				return true;
			}

			return false;
		}

		void GeoTexSvxMultiHatch::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
		{
			if(impIsOnHatch(rUV))
			{
				rBColor = maColor;
			}
			else if(!mbFillBackground)
			{
				rfOpacity = 0.0;
			}
		}
		
		void GeoTexSvxMultiHatch::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
		{
			if(mbFillBackground || impIsOnHatch(rUV))
			{
				rfOpacity = 1.0;
			}
			else
			{
				rfOpacity = 0.0;
			}
		}
	} // end of namespace texture
} // end of namespace drawinglayer

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