xref: /trunk/main/drawinglayer/source/processor2d/helperwrongspellrenderer.cxx (revision 464702f4)

/**************************************************************
 *
 * 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 <helperwrongspellrenderer.hxx>
#include <drawinglayer/primitive2d/wrongspellprimitive2d.hxx>
#include <tools/gen.hxx>
#include <vcl/outdev.hxx>
#include <basegfx/color/bcolormodifier.hxx>

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

using namespace com::sun::star;

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

namespace drawinglayer
{
	bool renderWrongSpellPrimitive2D(
		const primitive2d::WrongSpellPrimitive2D& rWrongSpellCandidate,
		OutputDevice& rOutputDevice,
		const basegfx::B2DHomMatrix& rObjectToViewTransformation,
		const basegfx::BColorModifierStack& rBColorModifierStack)
	{
		const basegfx::B2DHomMatrix aLocalTransform(rObjectToViewTransformation * rWrongSpellCandidate.getTransformation());
        const basegfx::B2DVector aFontVectorPixel(aLocalTransform * basegfx::B2DVector(0.0, 1.0));
        const sal_uInt32 nFontPixelHeight(basegfx::fround(aFontVectorPixel.getLength()));

        static const sal_uInt32 nMinimumFontHeight(5); // #define WRONG_SHOW_MIN 		 5
        static const sal_uInt32 nSmallFontHeight(11);  // #define WRONG_SHOW_SMALL 	    11
        static const sal_uInt32 nMediumFontHeight(15); // #define WRONG_SHOW_MEDIUM 	15

        if(nFontPixelHeight > nMinimumFontHeight)
        {
            const basegfx::B2DPoint aStart(aLocalTransform * basegfx::B2DPoint(rWrongSpellCandidate.getStart(), 0.0));
            const basegfx::B2DPoint aStop(aLocalTransform * basegfx::B2DPoint(rWrongSpellCandidate.getStop(), 0.0));
		    const Point aVclStart(basegfx::fround(aStart.getX()), basegfx::fround(aStart.getY()));
		    const Point aVclStop(basegfx::fround(aStop.getX()), basegfx::fround(aStop.getY()));
            sal_uInt16 nWaveStyle(WAVE_FLAT);

            if(nFontPixelHeight > nMediumFontHeight)
            {
                nWaveStyle = WAVE_NORMAL;
            }
            else if(nFontPixelHeight > nSmallFontHeight)
            {
                nWaveStyle = WAVE_SMALL;
            }

            // #i101075# draw it. Do not forget to use the evtl. offsetted origin of the target device,
            // e.g. when used with mask/transparence buffer device
            const Point aOrigin(rOutputDevice.GetMapMode().GetOrigin());

            const basegfx::BColor aProcessedColor(rBColorModifierStack.getModifiedColor(rWrongSpellCandidate.getColor()));
			const bool bMapModeEnabledState(rOutputDevice.IsMapModeEnabled());

            rOutputDevice.EnableMapMode(false);
            rOutputDevice.SetLineColor(Color(aProcessedColor));
            rOutputDevice.SetFillColor();
            rOutputDevice.DrawWaveLine(aOrigin + aVclStart, aOrigin + aVclStop, nWaveStyle);
			rOutputDevice.EnableMapMode(bMapModeEnabledState);
        }

		// cannot really go wrong
		return true;
	}
} // end of namespace drawinglayer

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