polygonprimitive2d.cxx (464702f4) polygonprimitive2d.cxx (5aaf853b)
1/**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance

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27#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
28#include <basegfx/tools/canvastools.hxx>
29#include <basegfx/polygon/b2dpolygontools.hxx>
30#include <basegfx/polygon/b2dpolypolygontools.hxx>
31#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
32#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
33#include <drawinglayer/geometry/viewinformation2d.hxx>
34#include <basegfx/polygon/b2dlinegeometry.hxx>
1/**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance

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27#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
28#include <basegfx/tools/canvastools.hxx>
29#include <basegfx/polygon/b2dpolygontools.hxx>
30#include <basegfx/polygon/b2dpolypolygontools.hxx>
31#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
32#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
33#include <drawinglayer/geometry/viewinformation2d.hxx>
34#include <basegfx/polygon/b2dlinegeometry.hxx>
35#include <com/sun/star/drawing/LineCap.hpp>
35
36//////////////////////////////////////////////////////////////////////////////
37
38using namespace com::sun::star;
39
40//////////////////////////////////////////////////////////////////////////////
41
42namespace drawinglayer

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247
248 const sal_uInt32 nCount(aHairLinePolyPolygon.count());
249
250 if(!getLineAttribute().isDefault() && getLineAttribute().getWidth())
251 {
252 // create fat line data
253 const double fHalfLineWidth(getLineAttribute().getWidth() / 2.0);
254 const basegfx::B2DLineJoin aLineJoin(getLineAttribute().getLineJoin());
36
37//////////////////////////////////////////////////////////////////////////////
38
39using namespace com::sun::star;
40
41//////////////////////////////////////////////////////////////////////////////
42
43namespace drawinglayer

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248
249 const sal_uInt32 nCount(aHairLinePolyPolygon.count());
250
251 if(!getLineAttribute().isDefault() && getLineAttribute().getWidth())
252 {
253 // create fat line data
254 const double fHalfLineWidth(getLineAttribute().getWidth() / 2.0);
255 const basegfx::B2DLineJoin aLineJoin(getLineAttribute().getLineJoin());
256 const com::sun::star::drawing::LineCap aLineCap(getLineAttribute().getLineCap());
255 basegfx::B2DPolyPolygon aAreaPolyPolygon;
256
257 for(sal_uInt32 a(0L); a < nCount; a++)
258 {
259 // New version of createAreaGeometry; now creates bezier polygons
260 aAreaPolyPolygon.append(basegfx::tools::createAreaGeometry(
257 basegfx::B2DPolyPolygon aAreaPolyPolygon;
258
259 for(sal_uInt32 a(0L); a < nCount; a++)
260 {
261 // New version of createAreaGeometry; now creates bezier polygons
262 aAreaPolyPolygon.append(basegfx::tools::createAreaGeometry(
261 aHairLinePolyPolygon.getB2DPolygon(a), fHalfLineWidth, aLineJoin));
263 aHairLinePolyPolygon.getB2DPolygon(a),
264 fHalfLineWidth,
265 aLineJoin,
266 aLineCap));
262 }
263
264 // prepare return value
265 Primitive2DSequence aRetval(aAreaPolyPolygon.count());
266
267 // create primitive
268 for(sal_uInt32 b(0L); b < aAreaPolyPolygon.count(); b++)
269 {

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334 }
335
336 basegfx::B2DRange PolygonStrokePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
337 {
338 basegfx::B2DRange aRetval;
339
340 if(getLineAttribute().getWidth())
341 {
267 }
268
269 // prepare return value
270 Primitive2DSequence aRetval(aAreaPolyPolygon.count());
271
272 // create primitive
273 for(sal_uInt32 b(0L); b < aAreaPolyPolygon.count(); b++)
274 {

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339 }
340
341 basegfx::B2DRange PolygonStrokePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
342 {
343 basegfx::B2DRange aRetval;
344
345 if(getLineAttribute().getWidth())
346 {
347 bool bUseDecomposition(false);
348
342 if(basegfx::B2DLINEJOIN_MITER == getLineAttribute().getLineJoin())
343 {
344 // if line is mitered, use parent call since mitered line
345 // geometry may use more space than the geometry grown by half line width
349 if(basegfx::B2DLINEJOIN_MITER == getLineAttribute().getLineJoin())
350 {
351 // if line is mitered, use parent call since mitered line
352 // geometry may use more space than the geometry grown by half line width
346 aRetval = BufferedDecompositionPrimitive2D::getB2DRange(rViewInformation);
353 bUseDecomposition = true;
347 }
354 }
355
356 if(!bUseDecomposition && com::sun::star::drawing::LineCap_SQUARE == getLineAttribute().getLineCap())
357 {
358 // when drawing::LineCap_SQUARE is used the below method to grow the polygon
359 // range by half line width will not work, so use decomposition. Interestingly,
360 // the grow method below works perfectly for LineCap_ROUND since the grow is in
361 // all directions and the rounded cap needs the same grow in all directions independent
362 // from it's orientation. Unfortunately this is not the case for drawing::LineCap_SQUARE
363 bUseDecomposition = true;
364 }
365
366 if(bUseDecomposition)
367 {
368 // get correct range by using the decomposition fallback, reasons see above cases
369 aRetval = BufferedDecompositionPrimitive2D::getB2DRange(rViewInformation);
370 }
348 else
349 {
350 // for all other B2DLINEJOIN_* get the range from the base geometry
351 // and expand by half the line width
352 aRetval = getB2DPolygon().getB2DRange();
353 aRetval.grow(getLineAttribute().getWidth() * 0.5);
354 }
355 }

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372 {
373 // for all other B2DLINEJOIN_* get the range from the base geometry
374 // and expand by half the line width
375 aRetval = getB2DPolygon().getB2DRange();
376 aRetval.grow(getLineAttribute().getWidth() * 0.5);
377 }
378 }

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