1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684 | /* -*- 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 <primitive2d/graphicprimitivehelper2d.hxx>
#include <drawinglayer/animation/animationtiming.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/numeric/ftools.hxx>
// helper class for animated graphics
#include <vcl/animate/Animation.hxx>
#include <vcl/graph.hxx>
#include <vcl/virdev.hxx>
#include <vcl/svapp.hxx>
#include <toolkit/helper/vclunohelper.hxx>
namespace drawinglayer::primitive2d
{
namespace {
class AnimatedGraphicPrimitive2D : public AnimatedSwitchPrimitive2D
{
private:
/// the geometric definition
basegfx::B2DHomMatrix maTransform;
/** the Graphic with all its content possibilities, here only
animated is allowed and gets checked by isValidData().
an instance of Graphic is used here since it's ref-counted
and thus a safe copy for now
*/
const Graphic maGraphic;
/// local animation processing data, excerpt from maGraphic
::Animation maAnimation;
/// the on-demand created VirtualDevices for frame creation
ScopedVclPtrInstance< VirtualDevice > maVirtualDevice;
ScopedVclPtrInstance< VirtualDevice > maVirtualDeviceMask;
// index of the next frame that would be regularly prepared
sal_uInt32 mnNextFrameToPrepare;
/// buffering of 1st frame (always active)
Primitive2DReference maBufferedFirstFrame;
/// buffering of all frames
Primitive2DContainer maBufferedPrimitives;
bool mbBufferingAllowed;
/// set if the animation is huge so that just always the next frame
/// is used instead of using timing
bool mbHugeSize;
/// helper methods
bool isValidData() const
{
return (GraphicType::Bitmap == maGraphic.GetType()
&& maGraphic.IsAnimated()
&& maAnimation.Count());
}
void ensureVirtualDeviceSizeAndState()
{
if (!isValidData())
return;
const Size aCurrent(maVirtualDevice->GetOutputSizePixel());
const Size aTarget(maAnimation.GetDisplaySizePixel());
if (aCurrent != aTarget)
{
maVirtualDevice->EnableMapMode(false);
maVirtualDeviceMask->EnableMapMode(false);
maVirtualDevice->SetOutputSizePixel(aTarget);
maVirtualDeviceMask->SetOutputSizePixel(aTarget);
}
maVirtualDevice->Erase();
maVirtualDeviceMask->Erase();
const ::tools::Rectangle aRect(Point(0, 0), aTarget);
maVirtualDeviceMask->SetFillColor(COL_BLACK);
maVirtualDeviceMask->SetLineColor();
maVirtualDeviceMask->DrawRect(aRect);
}
sal_uInt32 generateStepTime(sal_uInt32 nIndex) const
{
const AnimationBitmap& rAnimationBitmap = maAnimation.Get(sal_uInt16(nIndex));
sal_uInt32 nWaitTime(rAnimationBitmap.mnWait * 10);
// Take care of special value for MultiPage TIFFs. ATM these shall just
// show their first page. Later we will offer some switching when object
// is selected.
if (ANIMATION_TIMEOUT_ON_CLICK == rAnimationBitmap.mnWait)
{
// ATM the huge value would block the timer, so
// use a long time to show first page (whole day)
nWaitTime = 100 * 60 * 60 * 24;
}
// Bad trap: There are animated gifs with no set WaitTime (!).
// In that case use a default value.
if (0 == nWaitTime)
{
nWaitTime = 100;
}
return nWaitTime;
}
void createAndSetAnimationTiming()
{
if (!isValidData())
return;
animation::AnimationEntryLoop aAnimationLoop(maAnimation.GetLoopCount() ? maAnimation.GetLoopCount() : 0xffff);
const sal_uInt32 nCount(maAnimation.Count());
for (sal_uInt32 a(0); a < nCount; a++)
{
const sal_uInt32 aStepTime(generateStepTime(a));
const animation::AnimationEntryFixed aTime(static_cast<double>(aStepTime), static_cast<double>(a) / static_cast<double>(nCount));
aAnimationLoop.append(aTime);
}
animation::AnimationEntryList aAnimationEntryList;
aAnimationEntryList.append(aAnimationLoop);
setAnimationEntry(aAnimationEntryList);
}
Primitive2DReference createFromBuffer() const
{
// create BitmapEx by extracting from VirtualDevices
const Bitmap aMainBitmap(maVirtualDevice->GetBitmap(Point(), maVirtualDevice->GetOutputSizePixel()));
#if defined(MACOSX) || defined(IOS)
const AlphaMask aMaskBitmap(maVirtualDeviceMask->GetBitmap(Point(), maVirtualDeviceMask->GetOutputSizePixel()));
#else
const Bitmap aMaskBitmap(maVirtualDeviceMask->GetBitmap(Point(), maVirtualDeviceMask->GetOutputSizePixel()));
#endif
return Primitive2DReference(
new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(BitmapEx(aMainBitmap, aMaskBitmap)),
getTransform()));
}
void checkSafeToBuffer(sal_uInt32 nIndex)
{
if (mbBufferingAllowed)
{
// all frames buffered
if (!maBufferedPrimitives.empty() && nIndex < maBufferedPrimitives.size())
{
if (!maBufferedPrimitives[nIndex].is())
{
maBufferedPrimitives[nIndex] = createFromBuffer();
// check if buffering is complete
bool bBufferingComplete(true);
for (auto const & a: maBufferedPrimitives)
{
if (!a.is())
{<--- Consider using std::any_of algorithm instead of a raw loop.
bBufferingComplete = false;
break;
}
}
if (bBufferingComplete)
{
maVirtualDevice.disposeAndClear();
maVirtualDeviceMask.disposeAndClear();
}
}
}
}
else
{
// always buffer first frame
if (0 == nIndex && !maBufferedFirstFrame.is())
{
maBufferedFirstFrame = createFromBuffer();
}
}
}
void createFrame(sal_uInt32 nTarget)
{
// mnNextFrameToPrepare is the target frame to create next (which implies that
// mnNextFrameToPrepare-1 *is* currently in the VirtualDevice when
// 0 != mnNextFrameToPrepare. nTarget is the target frame.
if (!isValidData())
return;
if (mnNextFrameToPrepare > nTarget)
{
// we are ahead request, reset mechanism to start at frame zero
ensureVirtualDeviceSizeAndState();
mnNextFrameToPrepare = 0;
}
while (mnNextFrameToPrepare <= nTarget)
{
// prepare step
const AnimationBitmap& rAnimationBitmap = maAnimation.Get(sal_uInt16(mnNextFrameToPrepare));
switch (rAnimationBitmap.meDisposal)
{
case Disposal::Not:
{
maVirtualDevice->DrawBitmapEx(rAnimationBitmap.maPositionPixel, rAnimationBitmap.maBitmapEx);
Bitmap aMask = rAnimationBitmap.maBitmapEx.GetMask();
if (aMask.IsEmpty())
{
const Point aEmpty;
const ::tools::Rectangle aRect(aEmpty, maVirtualDeviceMask->GetOutputSizePixel());
const Wallpaper aWallpaper(COL_BLACK);
maVirtualDeviceMask->DrawWallpaper(aRect, aWallpaper);
}
else
{
BitmapEx aExpandVisibilityMask(aMask, aMask);
maVirtualDeviceMask->DrawBitmapEx(rAnimationBitmap.maPositionPixel, aExpandVisibilityMask);
}
break;
}
case Disposal::Back:
{
// #i70772# react on no mask, for primitives, too.
const Bitmap & rMask(rAnimationBitmap.maBitmapEx.GetMask());
const Bitmap & rContent(rAnimationBitmap.maBitmapEx.GetBitmap());
maVirtualDeviceMask->Erase();
maVirtualDevice->DrawBitmap(rAnimationBitmap.maPositionPixel, rContent);
if (rMask.IsEmpty())
{
const ::tools::Rectangle aRect(rAnimationBitmap.maPositionPixel, rContent.GetSizePixel());
maVirtualDeviceMask->SetFillColor(COL_BLACK);
maVirtualDeviceMask->SetLineColor();
maVirtualDeviceMask->DrawRect(aRect);
}
else
{
BitmapEx aExpandVisibilityMask(rMask, rMask);
maVirtualDeviceMask->DrawBitmapEx(rAnimationBitmap.maPositionPixel, aExpandVisibilityMask);
}
break;
}
case Disposal::Previous:
{
maVirtualDevice->DrawBitmapEx(rAnimationBitmap.maPositionPixel, rAnimationBitmap.maBitmapEx);
BitmapEx aExpandVisibilityMask(rAnimationBitmap.maBitmapEx.GetMask(), rAnimationBitmap.maBitmapEx.GetMask());
maVirtualDeviceMask->DrawBitmapEx(rAnimationBitmap.maPositionPixel, aExpandVisibilityMask);
break;
}
}
// to not waste created data, check adding to buffers
checkSafeToBuffer(mnNextFrameToPrepare);
mnNextFrameToPrepare++;
}
}
Primitive2DReference tryTogetFromBuffer(sal_uInt32 nIndex) const
{
if (mbBufferingAllowed)
{
// all frames buffered, check if available
if (!maBufferedPrimitives.empty() && nIndex < maBufferedPrimitives.size())
{
if (maBufferedPrimitives[nIndex].is())
{
return maBufferedPrimitives[nIndex];
}
}
}
else
{
// always buffer first frame, it's sometimes requested out-of-order
if (0 == nIndex && maBufferedFirstFrame.is())
{
return maBufferedFirstFrame;
}
}
return Primitive2DReference();
}
public:
/// constructor
AnimatedGraphicPrimitive2D(
const Graphic& rGraphic,
const basegfx::B2DHomMatrix& rTransform);
/// data read access
const basegfx::B2DHomMatrix& getTransform() const { return maTransform; }
/// compare operator
virtual bool operator==(const BasePrimitive2D& rPrimitive) const override;
/// override to deliver the correct expected frame dependent of timing
virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override;
};
}
AnimatedGraphicPrimitive2D::AnimatedGraphicPrimitive2D(
const Graphic& rGraphic,
const basegfx::B2DHomMatrix& rTransform)
: AnimatedSwitchPrimitive2D(
animation::AnimationEntryList(),
Primitive2DContainer(),
false),
maTransform(rTransform),
maGraphic(rGraphic),
maAnimation(rGraphic.GetAnimation()),
maVirtualDevice(*Application::GetDefaultDevice()),
maVirtualDeviceMask(*Application::GetDefaultDevice(), DeviceFormat::BITMASK),
mnNextFrameToPrepare(SAL_MAX_UINT32),
maBufferedFirstFrame(),
maBufferedPrimitives(),
mbBufferingAllowed(false),
mbHugeSize(false)
{
// initialize AnimationTiming, needed to detect which frame is requested
// in get2DDecomposition
createAndSetAnimationTiming();
// check if we allow buffering
if (isValidData())
{
// allow buffering up to a size of:
// - 64 frames
// - sizes of 256x256 pixels
// This may be offered in option values if needed
static const sal_uInt64 nAllowedSize(64 * 256 * 256);
static const sal_uInt64 nHugeSize(10000000);
const Size aTarget(maAnimation.GetDisplaySizePixel());
const sal_uInt64 nUsedSize(static_cast<sal_uInt64>(maAnimation.Count()) * aTarget.Width() * aTarget.Height());
if (nUsedSize < nAllowedSize)
{
mbBufferingAllowed = true;
}
if (nUsedSize > nHugeSize)
{
mbHugeSize = true;
}
}
// prepare buffer space
if (mbBufferingAllowed && isValidData())
{
maBufferedPrimitives = Primitive2DContainer(maAnimation.Count());
}
}
bool AnimatedGraphicPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
// do not use 'GroupPrimitive2D::operator==' here, that would compare
// the children. Also do not use 'BasePrimitive2D::operator==', that would
// check the ID-Type. Since we are a simple derivation without own ID,
// use the dynamic_cast RTTI directly
const AnimatedGraphicPrimitive2D* pCompare = dynamic_cast<const AnimatedGraphicPrimitive2D*>(&rPrimitive);
// use operator== of Graphic - if that is equal, the basic definition is equal
return (nullptr != pCompare
&& getTransform() == pCompare->getTransform()
&& maGraphic == pCompare->maGraphic);
}
void AnimatedGraphicPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
{
if (!isValidData())
return;
Primitive2DReference aRetval;
const double fState(getAnimationEntry().getStateAtTime(rViewInformation.getViewTime()));
const sal_uInt32 nLen(maAnimation.Count());
sal_uInt32 nIndex(basegfx::fround(fState * static_cast<double>(nLen)));
// nIndex is the requested frame - it is in range [0..nLen[
// create frame representation in VirtualDevices
if (nIndex >= nLen)
{
nIndex = nLen - 1;
}
// check buffering shortcuts, may already be created
aRetval = tryTogetFromBuffer(nIndex);
if (aRetval.is())
{
rVisitor.append(aRetval);
return;
}
// if huge size (and not the buffered 1st frame) simply
// create next frame
if (mbHugeSize && 0 != nIndex && mnNextFrameToPrepare <= nIndex)
{
nIndex = mnNextFrameToPrepare % nLen;
}
// frame not (yet) buffered or no buffering allowed, create it
const_cast<AnimatedGraphicPrimitive2D*>(this)->createFrame(nIndex);
// try to get from buffer again, may have been added from createFrame
aRetval = tryTogetFromBuffer(nIndex);
if (aRetval.is())
{
rVisitor.append(aRetval);
return;
}
// did not work (not buffered and not 1st frame), create from buffer
aRetval = createFromBuffer();
rVisitor.append(aRetval);
}
} // end of namespace
namespace drawinglayer::primitive2d
{
void create2DDecompositionOfGraphic(
Primitive2DContainer& rContainer,
const Graphic& rGraphic,
const basegfx::B2DHomMatrix& rTransform)
{
Primitive2DContainer aRetval;
switch(rGraphic.GetType())
{
case GraphicType::Bitmap :
{
if(rGraphic.IsAnimated())
{
// prepare specialized AnimatedGraphicPrimitive2D
aRetval.resize(1);
aRetval[0] = new AnimatedGraphicPrimitive2D(
rGraphic,
rTransform);
}
else if(rGraphic.getVectorGraphicData())
{
// embedded Vector Graphic Data fill, create embed transform
const basegfx::B2DRange& rSvgRange(rGraphic.getVectorGraphicData()->getRange());
if(basegfx::fTools::more(rSvgRange.getWidth(), 0.0) && basegfx::fTools::more(rSvgRange.getHeight(), 0.0))
{
// translate back to origin, scale to unit coordinates
basegfx::B2DHomMatrix aEmbedVectorGraphic(
basegfx::utils::createTranslateB2DHomMatrix(
-rSvgRange.getMinX(),
-rSvgRange.getMinY()));
aEmbedVectorGraphic.scale(
1.0 / rSvgRange.getWidth(),
1.0 / rSvgRange.getHeight());
// apply created object transformation
aEmbedVectorGraphic = rTransform * aEmbedVectorGraphic;
// add Vector Graphic Data primitives embedded
aRetval.resize(1);
aRetval[0] = new TransformPrimitive2D(
aEmbedVectorGraphic,
rGraphic.getVectorGraphicData()->getPrimitive2DSequence());
}
}
else
{
aRetval.resize(1);
aRetval[0] = new BitmapPrimitive2D(
VCLUnoHelper::CreateVCLXBitmap(rGraphic.GetBitmapEx()),
rTransform);
}
break;
}
case GraphicType::GdiMetafile :
{
// create MetafilePrimitive2D
const GDIMetaFile& rMetafile = rGraphic.GetGDIMetaFile();
aRetval.resize(1);
aRetval[0] = new MetafilePrimitive2D(
rTransform,
rMetafile);
// #i100357# find out if clipping is needed for this primitive. Unfortunately,
// there exist Metafiles who's content is bigger than the proposed PrefSize set
// at them. This is an error, but we need to work around this
const Size aMetaFilePrefSize(rMetafile.GetPrefSize());
const Size aMetaFileRealSize(
rMetafile.GetBoundRect(
*Application::GetDefaultDevice()).GetSize());
if(aMetaFileRealSize.getWidth() > aMetaFilePrefSize.getWidth()
|| aMetaFileRealSize.getHeight() > aMetaFilePrefSize.getHeight())
{
// clipping needed. Embed to MaskPrimitive2D. Create children and mask polygon
basegfx::B2DPolygon aMaskPolygon(basegfx::utils::createUnitPolygon());
aMaskPolygon.transform(rTransform);
Primitive2DReference mask = new MaskPrimitive2D(
basegfx::B2DPolyPolygon(aMaskPolygon),
aRetval);
aRetval[0] = mask;
}
break;
}
default:
{
// nothing to create
break;
}
}
rContainer.insert(rContainer.end(), aRetval.begin(), aRetval.end());
}
Primitive2DContainer create2DColorModifierEmbeddingsAsNeeded(
const Primitive2DContainer& rChildren,
GraphicDrawMode aGraphicDrawMode,
double fLuminance,
double fContrast,
double fRed,
double fGreen,
double fBlue,
double fGamma,
bool bInvert)
{
Primitive2DContainer aRetval;
if(rChildren.empty())
{
// no child content, done
return aRetval;
}
// set child content as retval; that is what will be used as child content in all
// embeddings from here
aRetval = rChildren;
if(GraphicDrawMode::Watermark == aGraphicDrawMode)
{
// this is solved by applying fixed values additionally to luminance
// and contrast, do it here and reset DrawMode to GraphicDrawMode::Standard
// original in svtools uses:
// #define WATERMARK_LUM_OFFSET 50
// #define WATERMARK_CON_OFFSET -70
fLuminance = std::clamp(fLuminance + 0.5, -1.0, 1.0);
fContrast = std::clamp(fContrast - 0.7, -1.0, 1.0);
aGraphicDrawMode = GraphicDrawMode::Standard;
}
// DrawMode (GraphicDrawMode::Watermark already handled)
switch(aGraphicDrawMode)
{
case GraphicDrawMode::Greys:
{
// convert to grey
const Primitive2DReference aPrimitiveGrey(
new ModifiedColorPrimitive2D(
aRetval,
std::make_shared<basegfx::BColorModifier_gray>()));
aRetval = Primitive2DContainer { aPrimitiveGrey };
break;
}
case GraphicDrawMode::Mono:
{
// convert to mono (black/white with threshold 0.5)
const Primitive2DReference aPrimitiveBlackAndWhite(
new ModifiedColorPrimitive2D(
aRetval,
std::make_shared<basegfx::BColorModifier_black_and_white>(0.5)));
aRetval = Primitive2DContainer { aPrimitiveBlackAndWhite };
break;
}
default: // case GraphicDrawMode::Standard:
{
assert(
aGraphicDrawMode != GraphicDrawMode::Watermark
&& "OOps, GraphicDrawMode::Watermark should already be handled (see above)");
// nothing to do
break;
}
}
// mnContPercent, mnLumPercent, mnRPercent, mnGPercent, mnBPercent
// handled in a single call
if(!basegfx::fTools::equalZero(fLuminance)
|| !basegfx::fTools::equalZero(fContrast)
|| !basegfx::fTools::equalZero(fRed)
|| !basegfx::fTools::equalZero(fGreen)
|| !basegfx::fTools::equalZero(fBlue))
{
const Primitive2DReference aPrimitiveRGBLuminannceContrast(
new ModifiedColorPrimitive2D(
aRetval,
std::make_shared<basegfx::BColorModifier_RGBLuminanceContrast>(
fRed,
fGreen,
fBlue,
fLuminance,
fContrast)));
aRetval = Primitive2DContainer { aPrimitiveRGBLuminannceContrast };
}
// gamma (boolean)
if(!basegfx::fTools::equal(fGamma, 1.0))
{
const Primitive2DReference aPrimitiveGamma(
new ModifiedColorPrimitive2D(
aRetval,
std::make_shared<basegfx::BColorModifier_gamma>(
fGamma)));
aRetval = Primitive2DContainer { aPrimitiveGamma };
}
// invert (boolean)
if(bInvert)
{
const Primitive2DReference aPrimitiveInvert(
new ModifiedColorPrimitive2D(
aRetval,
std::make_shared<basegfx::BColorModifier_invert>()));
aRetval = Primitive2DContainer { aPrimitiveInvert };
}
return aRetval;
}
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|