/src/libreoffice/drawinglayer/source/texture/texture3d.cxx

Source (jump to first uncovered line)
/* -*- 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 .
 */

#include <sal/config.h>

#include <algorithm>

#include <texture/texture3d.hxx>
#include <vcl/BitmapReadAccess.hxx>
#include <vcl/BitmapTools.hxx>
#include <primitive3d/hatchtextureprimitive3d.hxx>
#include <sal/log.hxx>
#include <osl/diagnose.h>

namespace drawinglayer::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;
        }


        GeoTexSvxBitmapEx::GeoTexSvxBitmapEx(
            const BitmapEx& rBitmapEx,
            const basegfx::B2DRange& rRange)
        :   maBitmapEx(rBitmapEx),
            maTopLeft(rRange.getMinimum()),
            maSize(rRange.getRange()),
            mfMulX(0.0),
            mfMulY(0.0)
        {
            bool bIsAlpha(maBitmapEx.IsAlpha());
            if(vcl::bitmap::convertBitmap32To24Plus8(maBitmapEx,maBitmapEx))
                bIsAlpha = maBitmapEx.IsAlpha();
            // #121194# Todo: use alpha channel, too (for 3d)
            maBitmap = maBitmapEx.GetBitmap();

            if (bIsAlpha)
            {
                maTransparence = rBitmapEx.GetAlphaMask().GetBitmap();
                mpReadTransparence = maTransparence;
                OSL_ENSURE(mpReadTransparence, "OOps, transparence type Bitmap, but no read access created in the constructor (?)");
            }

            if (!maBitmap.IsEmpty())
                mpReadBitmap = maBitmap;
            SAL_WARN_IF(!mpReadBitmap, "drawinglayer", "GeoTexSvxBitmapEx: Got no read access to Bitmap");
            if (mpReadBitmap)
            {
                mfMulX = static_cast<double>(mpReadBitmap->Width()) / maSize.getX();
                mfMulY = static_cast<double>(mpReadBitmap->Height()) / maSize.getY();
            }

            if(maSize.getX() <= 1.0)
            {
                maSize.setX(1.0);
            }

            if(maSize.getY() <= 1.0)
            {
                maSize.setY(1.0);
            }
        }

        GeoTexSvxBitmapEx::~GeoTexSvxBitmapEx()
        {
        }

        //static
        sal_uInt8 GeoTexSvxBitmapEx::impGetAlpha(const BitmapReadAccess& readTransparence, sal_Int32 rX, sal_Int32 rY)
        {
            const BitmapColor aBitmapColor(readTransparence.GetPixel(rY, rX));
            return aBitmapColor.GetIndex();
        }

        bool GeoTexSvxBitmapEx::impIsValid(const basegfx::B2DPoint& rUV, sal_Int32& rX, sal_Int32& rY) const
        {
            if(mpReadBitmap)
            {
                rX = static_cast<sal_Int32>((rUV.getX() - maTopLeft.getX()) * mfMulX);

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

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

            return false;
        }

        void GeoTexSvxBitmapEx::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(mpReadBitmap->GetColor(nY, nX));
                const basegfx::BColor aBSource(
                    static_cast<double>(aBMCol.GetRed()) * fConvertColor,
                    static_cast<double>(aBMCol.GetGreen()) * fConvertColor,
                    static_cast<double>(aBMCol.GetBlue()) * fConvertColor);

                rBColor = aBSource;

                if (mpReadTransparence)
                {
                    // when we have alpha, make use of it
                    const sal_uInt8 aAlpha(impGetAlpha(*mpReadTransparence, nX, nY));

                    rfOpacity = (static_cast<double>(aAlpha) * (1.0 / 255.0));
                }
                else
                {
                    rfOpacity = 1.0;
                }
            }
            else
            {
                rfOpacity = 0.0;
            }
        }

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

            if(impIsValid(rUV, nX, nY))
            {
                if (mpReadTransparence)
                {
                    // this texture has an alpha part, use it
                    const sal_uInt8 aAlpha(impGetAlpha(*mpReadTransparence, nX, nY));
                    const double fNewOpacity(static_cast<double>(aAlpha) * (1.0 / 255.0));

                    rfOpacity = 1.0 - ((1.0 - fNewOpacity) * (1.0 - rfOpacity));
                }
                else
                {
                    // this texture is a color bitmap used as transparence map
                    const BitmapColor aBMCol(mpReadBitmap->GetColor(nY, nX));
                    const Color aColor(aBMCol.GetRed(), aBMCol.GetGreen(), aBMCol.GetBlue());

                    rfOpacity = (static_cast<double>(0xff - aColor.GetLuminance()) * (1.0 / 255.0));
                }
            }
            else
            {
                rfOpacity = 0.0;
            }
        }


        basegfx::B2DPoint GeoTexSvxBitmapExTiled::impGetCorrected(const basegfx::B2DPoint& rUV) const
        {
            double fX(rUV.getX() - maTopLeft.getX());
            double fY(rUV.getY() - maTopLeft.getY());

            if(mbUseOffsetX)
            {
                const sal_Int32 nCol(static_cast< sal_Int32 >((fY < 0.0 ? maSize.getY() -fY : fY) / maSize.getY()));

                if(nCol % 2)
                {
                    fX += mfOffsetX * maSize.getX();
                }
            }
            else if(mbUseOffsetY)
            {
                const sal_Int32 nRow(static_cast< sal_Int32 >((fX < 0.0 ? maSize.getX() -fX : fX) / maSize.getX()));

                if(nRow % 2)
                {
                    fY += mfOffsetY * maSize.getY();
                }
            }

            fX = fmod(fX, maSize.getX());
            fY = fmod(fY, maSize.getY());

            if(fX < 0.0)
            {
                fX += maSize.getX();
            }

            if(fY < 0.0)
            {
                fY += maSize.getY();
            }

            return basegfx::B2DPoint(fX + maTopLeft.getX(), fY + maTopLeft.getY());
        }

        GeoTexSvxBitmapExTiled::GeoTexSvxBitmapExTiled(
            const BitmapEx& rBitmapEx,
            const basegfx::B2DRange& rRange,
            double fOffsetX,
            double fOffsetY)
        :   GeoTexSvxBitmapEx(rBitmapEx, rRange),
            mfOffsetX(std::clamp(fOffsetX, 0.0, 1.0)),
            mfOffsetY(std::clamp(fOffsetY, 0.0, 1.0)),
            mbUseOffsetX(!basegfx::fTools::equalZero(mfOffsetX)),
            mbUseOffsetY(!mbUseOffsetX && !basegfx::fTools::equalZero(mfOffsetY))
        {
        }

        void GeoTexSvxBitmapExTiled::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
        {
            if(mpReadBitmap)
            {
                GeoTexSvxBitmapEx::modifyBColor(impGetCorrected(rUV), rBColor, rfOpacity);
            }
        }

        void GeoTexSvxBitmapExTiled::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
        {
            if(mpReadBitmap)
            {
                GeoTexSvxBitmapEx::modifyOpacity(impGetCorrected(rUV), rfOpacity);
            }
        }


        GeoTexSvxMultiHatch::GeoTexSvxMultiHatch(
            const primitive3d::HatchTexturePrimitive3D& rPrimitive,
            double fLogicPixelSize)
        :   mfLogicPixelSize(fLogicPixelSize)
        {
            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.reset( new GeoTexSvxHatch(
                aOutlineRange,
                aOutlineRange,
                rHatch.getDistance(),
                fAngleA) );

            if(attribute::HatchStyle::Double == rHatch.getStyle() || attribute::HatchStyle::Triple == rHatch.getStyle())
            {
                mp1.reset( new GeoTexSvxHatch(
                    aOutlineRange,
                    aOutlineRange,
                    rHatch.getDistance(),
                    fAngleA + M_PI_2) );
            }

            if(attribute::HatchStyle::Triple == rHatch.getStyle())
            {
                mp2.reset( new GeoTexSvxHatch(
                    aOutlineRange,
                    aOutlineRange,
                    rHatch.getDistance(),
                    fAngleA + M_PI_4) );
            }
        }

        GeoTexSvxMultiHatch::~GeoTexSvxMultiHatch()
        {
        }

        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

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

Coverage Report

Created: 2025-07-07 10:01

Line	Count	Source (jump to first uncovered line)
1		/* -- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -- */
2		/*
3		* This file is part of the LibreOffice project.
4		*
5		* This Source Code Form is subject to the terms of the Mozilla Public
6		* License, v. 2.0. If a copy of the MPL was not distributed with this
7		* file, You can obtain one at http://mozilla.org/MPL/2.0/.
8		*
9		* This file incorporates work covered by the following license notice:
10		*
11		* Licensed to the Apache Software Foundation (ASF) under one or more
12		* contributor license agreements. See the NOTICE file distributed
13		* with this work for additional information regarding copyright
14		* ownership. The ASF licenses this file to you under the Apache
15		* License, Version 2.0 (the "License"); you may not use this file
16		* except in compliance with the License. You may obtain a copy of
17		* the License at http://www.apache.org/licenses/LICENSE-2.0 .
18		*/
19
20		#include <sal/config.h>
21
22		#include <algorithm>
23
24		#include <texture/texture3d.hxx>
25		#include <vcl/BitmapReadAccess.hxx>
26		#include <vcl/BitmapTools.hxx>
27		#include <primitive3d/hatchtextureprimitive3d.hxx>
28		#include <sal/log.hxx>
29		#include <osl/diagnose.h>
30
31		namespace drawinglayer::texture
32		{
33		GeoTexSvxMono::GeoTexSvxMono(
34		const basegfx::BColor& rSingleColor,
35		double fOpacity)
36	0	: maSingleColor(rSingleColor),
37	0	mfOpacity(fOpacity)
38	0	{
39	0	}
40
41		bool GeoTexSvxMono::operator==(const GeoTexSvx& rGeoTexSvx) const
42	0	{
43	0	const GeoTexSvxMono* pCompare = dynamic_cast< const GeoTexSvxMono* >(&rGeoTexSvx);
44
45	0	return (pCompare
46	0	&& maSingleColor == pCompare->maSingleColor
47	0	&& mfOpacity == pCompare->mfOpacity);
48	0	}
49
50		void GeoTexSvxMono::modifyBColor(const basegfx::B2DPoint& /rUV/, basegfx::BColor& rBColor, double& /rfOpacity/) const
51	0	{
52	0	rBColor = maSingleColor;
53	0	}
54
55		void GeoTexSvxMono::modifyOpacity(const basegfx::B2DPoint& /rUV/, double& rfOpacity) const
56	0	{
57	0	rfOpacity = mfOpacity;
58	0	}
59
60
61		GeoTexSvxBitmapEx::GeoTexSvxBitmapEx(
62		const BitmapEx& rBitmapEx,
63		const basegfx::B2DRange& rRange)
64	0	: maBitmapEx(rBitmapEx),
65	0	maTopLeft(rRange.getMinimum()),
66	0	maSize(rRange.getRange()),
67	0	mfMulX(0.0),
68	0	mfMulY(0.0)
69	0	{
70	0	bool bIsAlpha(maBitmapEx.IsAlpha());
71	0	if(vcl::bitmap::convertBitmap32To24Plus8(maBitmapEx,maBitmapEx))
72	0	bIsAlpha = maBitmapEx.IsAlpha();
73		// #121194# Todo: use alpha channel, too (for 3d)
74	0	maBitmap = maBitmapEx.GetBitmap();
75
76	0	if (bIsAlpha)
77	0	{
78	0	maTransparence = rBitmapEx.GetAlphaMask().GetBitmap();
79	0	mpReadTransparence = maTransparence;
80	0	OSL_ENSURE(mpReadTransparence, "OOps, transparence type Bitmap, but no read access created in the constructor (?)");
81	0	}
82
83	0	if (!maBitmap.IsEmpty())
84	0	mpReadBitmap = maBitmap;
85	0	SAL_WARN_IF(!mpReadBitmap, "drawinglayer", "GeoTexSvxBitmapEx: Got no read access to Bitmap");
86	0	if (mpReadBitmap)
87	0	{
88	0	mfMulX = static_cast<double>(mpReadBitmap->Width()) / maSize.getX();
89	0	mfMulY = static_cast<double>(mpReadBitmap->Height()) / maSize.getY();
90	0	}
91
92	0	if(maSize.getX() <= 1.0)
93	0	{
94	0	maSize.setX(1.0);
95	0	}
96
97	0	if(maSize.getY() <= 1.0)
98	0	{
99	0	maSize.setY(1.0);
100	0	}
101	0	}
102
103		GeoTexSvxBitmapEx::~GeoTexSvxBitmapEx()
104	0	{
105	0	}
106
107		//static
108		sal_uInt8 GeoTexSvxBitmapEx::impGetAlpha(const BitmapReadAccess& readTransparence, sal_Int32 rX, sal_Int32 rY)
109	0	{
110	0	const BitmapColor aBitmapColor(readTransparence.GetPixel(rY, rX));
111	0	return aBitmapColor.GetIndex();
112	0	}
113
114		bool GeoTexSvxBitmapEx::impIsValid(const basegfx::B2DPoint& rUV, sal_Int32& rX, sal_Int32& rY) const
115	0	{
116	0	if(mpReadBitmap)
117	0	{
118	0	rX = static_cast<sal_Int32>((rUV.getX() - maTopLeft.getX()) * mfMulX);
119
120	0	if(rX >= 0 && rX < mpReadBitmap->Width())
121	0	{
122	0	rY = static_cast<sal_Int32>((rUV.getY() - maTopLeft.getY()) * mfMulY);
123
124	0	return (rY >= 0 && rY < mpReadBitmap->Height());
125	0	}
126	0	}
127
128	0	return false;
129	0	}
130
131		void GeoTexSvxBitmapEx::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
132	0	{
133	0	sal_Int32 nX, nY;
134
135	0	if(impIsValid(rUV, nX, nY))
136	0	{
137	0	const double fConvertColor(1.0 / 255.0);
138	0	const BitmapColor aBMCol(mpReadBitmap->GetColor(nY, nX));
139	0	const basegfx::BColor aBSource(
140	0	static_cast<double>(aBMCol.GetRed()) * fConvertColor,
141	0	static_cast<double>(aBMCol.GetGreen()) * fConvertColor,
142	0	static_cast<double>(aBMCol.GetBlue()) * fConvertColor);
143
144	0	rBColor = aBSource;
145
146	0	if (mpReadTransparence)
147	0	{
148		// when we have alpha, make use of it
149	0	const sal_uInt8 aAlpha(impGetAlpha(*mpReadTransparence, nX, nY));
150
151	0	rfOpacity = (static_cast<double>(aAlpha) * (1.0 / 255.0));
152	0	}
153	0	else
154	0	{
155	0	rfOpacity = 1.0;
156	0	}
157	0	}
158	0	else
159	0	{
160	0	rfOpacity = 0.0;
161	0	}
162	0	}
163
164		void GeoTexSvxBitmapEx::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
165	0	{
166	0	sal_Int32 nX, nY;
167
168	0	if(impIsValid(rUV, nX, nY))
169	0	{
170	0	if (mpReadTransparence)
171	0	{
172		// this texture has an alpha part, use it
173	0	const sal_uInt8 aAlpha(impGetAlpha(*mpReadTransparence, nX, nY));
174	0	const double fNewOpacity(static_cast<double>(aAlpha) * (1.0 / 255.0));
175
176	0	rfOpacity = 1.0 - ((1.0 - fNewOpacity) * (1.0 - rfOpacity));
177	0	}
178	0	else
179	0	{
180		// this texture is a color bitmap used as transparence map
181	0	const BitmapColor aBMCol(mpReadBitmap->GetColor(nY, nX));
182	0	const Color aColor(aBMCol.GetRed(), aBMCol.GetGreen(), aBMCol.GetBlue());
183
184	0	rfOpacity = (static_cast<double>(0xff - aColor.GetLuminance()) * (1.0 / 255.0));
185	0	}
186	0	}
187	0	else
188	0	{
189	0	rfOpacity = 0.0;
190	0	}
191	0	}
192
193
194		basegfx::B2DPoint GeoTexSvxBitmapExTiled::impGetCorrected(const basegfx::B2DPoint& rUV) const
195	0	{
196	0	double fX(rUV.getX() - maTopLeft.getX());
197	0	double fY(rUV.getY() - maTopLeft.getY());
198
199	0	if(mbUseOffsetX)
200	0	{
201	0	const sal_Int32 nCol(static_cast< sal_Int32 >((fY < 0.0 ? maSize.getY() -fY : fY) / maSize.getY()));
202
203	0	if(nCol % 2)
204	0	{
205	0	fX += mfOffsetX * maSize.getX();
206	0	}
207	0	}
208	0	else if(mbUseOffsetY)
209	0	{
210	0	const sal_Int32 nRow(static_cast< sal_Int32 >((fX < 0.0 ? maSize.getX() -fX : fX) / maSize.getX()));
211
212	0	if(nRow % 2)
213	0	{
214	0	fY += mfOffsetY * maSize.getY();
215	0	}
216	0	}
217
218	0	fX = fmod(fX, maSize.getX());
219	0	fY = fmod(fY, maSize.getY());
220
221	0	if(fX < 0.0)
222	0	{
223	0	fX += maSize.getX();
224	0	}
225
226	0	if(fY < 0.0)
227	0	{
228	0	fY += maSize.getY();
229	0	}
230
231	0	return basegfx::B2DPoint(fX + maTopLeft.getX(), fY + maTopLeft.getY());
232	0	}
233
234		GeoTexSvxBitmapExTiled::GeoTexSvxBitmapExTiled(
235		const BitmapEx& rBitmapEx,
236		const basegfx::B2DRange& rRange,
237		double fOffsetX,
238		double fOffsetY)
239	0	: GeoTexSvxBitmapEx(rBitmapEx, rRange),
240	0	mfOffsetX(std::clamp(fOffsetX, 0.0, 1.0)),
241	0	mfOffsetY(std::clamp(fOffsetY, 0.0, 1.0)),
242	0	mbUseOffsetX(!basegfx::fTools::equalZero(mfOffsetX)),
243	0	mbUseOffsetY(!mbUseOffsetX && !basegfx::fTools::equalZero(mfOffsetY))
244	0	{
245	0	}
246
247		void GeoTexSvxBitmapExTiled::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
248	0	{
249	0	if(mpReadBitmap)
250	0	{
251	0	GeoTexSvxBitmapEx::modifyBColor(impGetCorrected(rUV), rBColor, rfOpacity);
252	0	}
253	0	}
254
255		void GeoTexSvxBitmapExTiled::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
256	0	{
257	0	if(mpReadBitmap)
258	0	{
259	0	GeoTexSvxBitmapEx::modifyOpacity(impGetCorrected(rUV), rfOpacity);
260	0	}
261	0	}
262
263
264		GeoTexSvxMultiHatch::GeoTexSvxMultiHatch(
265		const primitive3d::HatchTexturePrimitive3D& rPrimitive,
266		double fLogicPixelSize)
267	0	: mfLogicPixelSize(fLogicPixelSize)
268	0	{
269	0	const attribute::FillHatchAttribute& rHatch(rPrimitive.getHatch());
270	0	const basegfx::B2DRange aOutlineRange(0.0, 0.0, rPrimitive.getTextureSize().getX(), rPrimitive.getTextureSize().getY());
271	0	const double fAngleA(rHatch.getAngle());
272	0	maColor = rHatch.getColor();
273	0	mbFillBackground = rHatch.isFillBackground();
274	0	mp0.reset( new GeoTexSvxHatch(
275	0	aOutlineRange,
276	0	aOutlineRange,
277	0	rHatch.getDistance(),
278	0	fAngleA) );
279
280	0	if(attribute::HatchStyle::Double == rHatch.getStyle() \|\| attribute::HatchStyle::Triple == rHatch.getStyle())
281	0	{
282	0	mp1.reset( new GeoTexSvxHatch(
283	0	aOutlineRange,
284	0	aOutlineRange,
285	0	rHatch.getDistance(),
286	0	fAngleA + M_PI_2) );
287	0	}
288
289	0	if(attribute::HatchStyle::Triple == rHatch.getStyle())
290	0	{
291	0	mp2.reset( new GeoTexSvxHatch(
292	0	aOutlineRange,
293	0	aOutlineRange,
294	0	rHatch.getDistance(),
295	0	fAngleA + M_PI_4) );
296	0	}
297	0	}
298
299		GeoTexSvxMultiHatch::~GeoTexSvxMultiHatch()
300	0	{
301	0	}
302
303		bool GeoTexSvxMultiHatch::impIsOnHatch(const basegfx::B2DPoint& rUV) const
304	0	{
305	0	if(mp0->getDistanceToHatch(rUV) < mfLogicPixelSize)
306	0	{
307	0	return true;
308	0	}
309
310	0	if(mp1 && mp1->getDistanceToHatch(rUV) < mfLogicPixelSize)
311	0	{
312	0	return true;
313	0	}
314
315	0	if(mp2 && mp2->getDistanceToHatch(rUV) < mfLogicPixelSize)
316	0	{
317	0	return true;
318	0	}
319
320	0	return false;
321	0	}
322
323		void GeoTexSvxMultiHatch::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
324	0	{
325	0	if(impIsOnHatch(rUV))
326	0	{
327	0	rBColor = maColor;
328	0	}
329	0	else if(!mbFillBackground)
330	0	{
331	0	rfOpacity = 0.0;
332	0	}
333	0	}
334
335		void GeoTexSvxMultiHatch::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
336	0	{
337	0	if(mbFillBackground \|\| impIsOnHatch(rUV))
338	0	{
339	0	rfOpacity = 1.0;
340	0	}
341	0	else
342	0	{
343	0	rfOpacity = 0.0;
344	0	}
345	0	}
346
347		} // end of namespace
348
349		/* vim:set shiftwidth=4 softtabstop=4 expandtab: */