/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/



#include "precompiled_svx.hxx"
#include <svx/sdr/primitive2d/sdrprimitivetools.hxx>
#include <vcl/bmpacc.hxx>
#include <osl/mutex.hxx>
#include <vcl/lazydelete.hxx>

//////////////////////////////////////////////////////////////////////////////
// helper methods

namespace drawinglayer
{
	namespace primitive2d
	{
		BitmapEx createDefaultCross_3x3(const basegfx::BColor& rBColor)
		{
			static vcl::DeleteOnDeinit< BitmapEx > aRetVal(0);
			static basegfx::BColor aColor;
		    ::osl::Mutex m_mutex;

			if(!aRetVal.get() || rBColor != aColor)
			{
				// copy values
				aColor = rBColor;

				// create bitmap
				Bitmap aContent(Size(3, 3), 24);
				Bitmap aMask(Size(3, 3), 1);
				BitmapWriteAccess* pWContent = aContent.AcquireWriteAccess();
				BitmapWriteAccess* pWMask = aMask.AcquireWriteAccess();
				OSL_ENSURE(pWContent && pWMask, "No WriteAccess to bitmap (!)");
				const Color aVCLColor(aColor);
				const BitmapColor aPixColor(aVCLColor);
				const BitmapColor aMaskColor(0x01);

				// Y,X unusual order (!)
				pWContent->SetPixel(0, 1, aPixColor); 
				pWContent->SetPixel(1, 0, aPixColor);
				pWContent->SetPixel(1, 1, aPixColor);
				pWContent->SetPixel(1, 2, aPixColor);
				pWContent->SetPixel(2, 1, aPixColor);

				pWMask->SetPixel(0, 0, aMaskColor);
				pWMask->SetPixel(0, 2, aMaskColor);
				pWMask->SetPixel(2, 0, aMaskColor);
				pWMask->SetPixel(2, 2, aMaskColor);

				aContent.ReleaseAccess(pWContent);
				aMask.ReleaseAccess(pWMask);

				// create and exchange at aRetVal
				delete aRetVal.set(new BitmapEx(aContent, aMask));
			}

			return aRetVal.get() ? *aRetVal.get() : BitmapEx();
		}

		BitmapEx createDefaultGluepoint_7x7(const basegfx::BColor& rBColorA, const basegfx::BColor& rBColorB)
		{
			static vcl::DeleteOnDeinit< BitmapEx > aRetVal(0);
			static basegfx::BColor aColorA;
			static basegfx::BColor aColorB;
		    ::osl::Mutex m_mutex;

			if(!aRetVal.get() || rBColorA != aColorA || rBColorB != aColorB)
			{
				// copy values
				aColorA = rBColorA;
				aColorB = rBColorB;

				// create bitmap
				Bitmap aContent(Size(7, 7), 24);
				Bitmap aMask(Size(7, 7), 1);
				BitmapWriteAccess* pWContent = aContent.AcquireWriteAccess();
				BitmapWriteAccess* pWMask = aMask.AcquireWriteAccess();
				OSL_ENSURE(pWContent && pWMask, "No WriteAccess to bitmap (!)");
				const Color aColA(aColorA);
				const Color aColB(aColorB);
				const BitmapColor aPixColorA(aColA);
				const BitmapColor aPixColorB(aColB);
				const BitmapColor aMaskColor(0x01);

				// Y,X unusual order (!)
				pWContent->SetPixel(0, 1, aPixColorA);
				pWContent->SetPixel(0, 5, aPixColorA);
				pWContent->SetPixel(1, 0, aPixColorA);
				pWContent->SetPixel(1, 2, aPixColorA);
				pWContent->SetPixel(1, 4, aPixColorA);
				pWContent->SetPixel(1, 6, aPixColorA);
				pWContent->SetPixel(2, 1, aPixColorA);
				pWContent->SetPixel(2, 3, aPixColorA);
				pWContent->SetPixel(2, 5, aPixColorA);
				pWContent->SetPixel(3, 2, aPixColorA);
				pWContent->SetPixel(3, 4, aPixColorA);
				pWContent->SetPixel(4, 1, aPixColorA);
				pWContent->SetPixel(4, 3, aPixColorA);
				pWContent->SetPixel(4, 5, aPixColorA);
				pWContent->SetPixel(5, 0, aPixColorA);
				pWContent->SetPixel(5, 2, aPixColorA);
				pWContent->SetPixel(5, 4, aPixColorA);
				pWContent->SetPixel(5, 6, aPixColorA);
				pWContent->SetPixel(6, 1, aPixColorA);
				pWContent->SetPixel(6, 5, aPixColorA);

				pWContent->SetPixel(1, 1, aPixColorB);
				pWContent->SetPixel(1, 5, aPixColorB);
				pWContent->SetPixel(2, 2, aPixColorB);
				pWContent->SetPixel(2, 4, aPixColorB);
				pWContent->SetPixel(3, 3, aPixColorB);
				pWContent->SetPixel(4, 2, aPixColorB);
				pWContent->SetPixel(4, 4, aPixColorB);
				pWContent->SetPixel(5, 1, aPixColorB);
				pWContent->SetPixel(5, 5, aPixColorB);
				
				pWMask->SetPixel(0, 0, aMaskColor);
				pWMask->SetPixel(0, 2, aMaskColor);
				pWMask->SetPixel(0, 3, aMaskColor);
				pWMask->SetPixel(0, 4, aMaskColor);
				pWMask->SetPixel(0, 6, aMaskColor);
				pWMask->SetPixel(1, 3, aMaskColor);
				pWMask->SetPixel(2, 0, aMaskColor);
				pWMask->SetPixel(2, 6, aMaskColor);
				pWMask->SetPixel(3, 0, aMaskColor);
				pWMask->SetPixel(3, 1, aMaskColor);
				pWMask->SetPixel(3, 5, aMaskColor);
				pWMask->SetPixel(3, 6, aMaskColor);
				pWMask->SetPixel(4, 0, aMaskColor);
				pWMask->SetPixel(4, 6, aMaskColor);
				pWMask->SetPixel(5, 3, aMaskColor);
				pWMask->SetPixel(6, 0, aMaskColor);
				pWMask->SetPixel(6, 2, aMaskColor);
				pWMask->SetPixel(6, 3, aMaskColor);
				pWMask->SetPixel(6, 4, aMaskColor);
				pWMask->SetPixel(6, 6, aMaskColor);

				aContent.ReleaseAccess(pWContent);
				aMask.ReleaseAccess(pWMask);

				// create and exchange at aRetVal
				delete aRetVal.set(new BitmapEx(aContent, aMask));
			}

			return aRetVal.get() ? *aRetVal.get() : BitmapEx();
		}

	} // end of namespace primitive2d
} // end of namespace drawinglayer

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