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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 <cppuhelper/compbase1.hxx>
21 :
22 : #include <com/sun/star/geometry/RealSize2D.hpp>
23 : #include <com/sun/star/geometry/RealPoint2D.hpp>
24 : #include <com/sun/star/geometry/RealRectangle2D.hpp>
25 : #include <com/sun/star/geometry/IntegerSize2D.hpp>
26 : #include <com/sun/star/geometry/IntegerPoint2D.hpp>
27 : #include <com/sun/star/geometry/IntegerRectangle2D.hpp>
28 : #include <com/sun/star/geometry/RealBezierSegment2D.hpp>
29 :
30 : #include <com/sun/star/rendering/ColorSpaceType.hpp>
31 : #include <com/sun/star/rendering/RenderingIntent.hpp>
32 : #include <com/sun/star/rendering/XGraphicDevice.hpp>
33 : #include <com/sun/star/rendering/XBitmap.hpp>
34 : #include <com/sun/star/rendering/XPolyPolygon2D.hpp>
35 : #include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
36 : #include <com/sun/star/rendering/XIntegerBitmap.hpp>
37 : #include <com/sun/star/rendering/ColorComponentTag.hpp>
38 :
39 : #include <basegfx/matrix/b2dhommatrix.hxx>
40 : #include <basegfx/vector/b2dsize.hxx>
41 : #include <basegfx/point/b2dpoint.hxx>
42 : #include <basegfx/range/b2drectangle.hxx>
43 : #include <basegfx/vector/b2isize.hxx>
44 : #include <basegfx/point/b2ipoint.hxx>
45 : #include <basegfx/range/b2irectangle.hxx>
46 : #include <basegfx/polygon/b2dpolygon.hxx>
47 : #include <basegfx/tools/canvastools.hxx>
48 : #include <basegfx/polygon/b2dpolypolygon.hxx>
49 :
50 : #include <tools/poly.hxx>
51 : #include <tools/diagnose_ex.h>
52 : #include <rtl/uuid.h>
53 :
54 : #include <vcl/salbtype.hxx>
55 : #include <vcl/bmpacc.hxx>
56 : #include <vcl/bitmapex.hxx>
57 :
58 : #include <canvasbitmap.hxx>
59 : #include <vcl/canvastools.hxx>
60 :
61 : using namespace ::com::sun::star;
62 :
63 : namespace vcl
64 : {
65 : namespace unotools
66 : {
67 296 : uno::Reference< rendering::XBitmap > xBitmapFromBitmapEx( const uno::Reference< rendering::XGraphicDevice >& /*xGraphicDevice*/,
68 : const ::BitmapEx& inputBitmap )
69 : {
70 : SAL_INFO( "vcl.helper", "vcl::unotools::xBitmapFromBitmapEx()" );
71 :
72 296 : return new vcl::unotools::VclCanvasBitmap( inputBitmap );
73 : }
74 :
75 : namespace
76 : {
77 20 : inline bool operator==( const rendering::IntegerBitmapLayout& rLHS,
78 : const rendering::IntegerBitmapLayout& rRHS )
79 : {
80 : return
81 40 : rLHS.ScanLineBytes == rRHS.ScanLineBytes &&
82 40 : rLHS.ScanLineStride == rRHS.ScanLineStride &&
83 40 : rLHS.PlaneStride == rRHS.PlaneStride &&
84 40 : rLHS.ColorSpace == rRHS.ColorSpace &&
85 60 : rLHS.Palette == rRHS.Palette &&
86 40 : rLHS.IsMsbFirst == rRHS.IsMsbFirst;
87 : }
88 :
89 2 : bool readBmp( sal_Int32 nWidth,
90 : sal_Int32 nHeight,
91 : const rendering::IntegerBitmapLayout& rLayout,
92 : const uno::Reference< rendering::XIntegerReadOnlyBitmap >& xInputBitmap,
93 : Bitmap::ScopedWriteAccess& rWriteAcc,
94 : Bitmap::ScopedWriteAccess& rAlphaAcc )
95 : {
96 2 : rendering::IntegerBitmapLayout aCurrLayout;
97 2 : geometry::IntegerRectangle2D aRect;
98 4 : uno::Sequence<sal_Int8> aPixelData;
99 4 : uno::Sequence<rendering::RGBColor> aRGBColors;
100 4 : uno::Sequence<rendering::ARGBColor> aARGBColors;
101 :
102 22 : for( aRect.Y1=0; aRect.Y1<nHeight; ++aRect.Y1 )
103 : {
104 20 : aRect.X1 = 0; aRect.X2 = nWidth; aRect.Y2 = aRect.Y1+1;
105 : try
106 : {
107 20 : aPixelData = xInputBitmap->getData(aCurrLayout,aRect);
108 : }
109 0 : catch( rendering::VolatileContentDestroyedException& )
110 : {
111 : // re-read bmp from the start
112 0 : return false;
113 : }
114 20 : if( !(aCurrLayout == rLayout) )
115 0 : return false; // re-read bmp from the start
116 :
117 20 : if( rAlphaAcc.get() )
118 : {
119 : // read ARGB color
120 10 : aARGBColors = rLayout.ColorSpace->convertIntegerToARGB(aPixelData);
121 :
122 10 : if( rWriteAcc->HasPalette() )
123 : {
124 0 : for( sal_Int32 x=0; x<nWidth; ++x )
125 : {
126 0 : const rendering::ARGBColor& rColor=aARGBColors[x];
127 : rWriteAcc->SetPixelIndex( aRect.Y1, x,
128 0 : (sal_uInt8) rWriteAcc->GetBestPaletteIndex(
129 0 : BitmapColor( toByteColor(rColor.Red),
130 0 : toByteColor(rColor.Green),
131 0 : toByteColor(rColor.Blue))) );
132 : rAlphaAcc->SetPixel( aRect.Y1, x,
133 0 : BitmapColor( 255 - toByteColor(rColor.Alpha) ));
134 : }
135 : }
136 : else
137 : {
138 110 : for( sal_Int32 x=0; x<nWidth; ++x )
139 : {
140 100 : const rendering::ARGBColor& rColor=aARGBColors[x];
141 : rWriteAcc->SetPixel( aRect.Y1, x,
142 100 : BitmapColor( toByteColor(rColor.Red),
143 100 : toByteColor(rColor.Green),
144 300 : toByteColor(rColor.Blue) ));
145 : rAlphaAcc->SetPixel( aRect.Y1, x,
146 100 : BitmapColor( 255 - toByteColor(rColor.Alpha) ));
147 : }
148 : }
149 : }
150 : else
151 : {
152 : // read RGB color
153 10 : aRGBColors = rLayout.ColorSpace->convertIntegerToRGB(aPixelData);
154 10 : if( rWriteAcc->HasPalette() )
155 : {
156 110 : for( sal_Int32 x=0; x<nWidth; ++x )
157 : {
158 100 : const rendering::RGBColor& rColor=aRGBColors[x];
159 : rWriteAcc->SetPixelIndex( aRect.Y1, x,
160 100 : (sal_uInt8) rWriteAcc->GetBestPaletteIndex(
161 100 : BitmapColor( toByteColor(rColor.Red),
162 100 : toByteColor(rColor.Green),
163 400 : toByteColor(rColor.Blue))) );
164 : }
165 : }
166 : else
167 : {
168 0 : for( sal_Int32 x=0; x<nWidth; ++x )
169 : {
170 0 : const rendering::RGBColor& rColor=aRGBColors[x];
171 : rWriteAcc->SetPixel( aRect.Y1, x,
172 0 : BitmapColor( toByteColor(rColor.Red),
173 0 : toByteColor(rColor.Green),
174 0 : toByteColor(rColor.Blue) ));
175 : }
176 : }
177 : }
178 : }
179 :
180 4 : return true;
181 : }
182 : }
183 :
184 298 : ::BitmapEx bitmapExFromXBitmap( const uno::Reference< rendering::XIntegerReadOnlyBitmap >& xInputBitmap )
185 : {
186 : SAL_INFO( "vcl.helper", "vcl::unotools::bitmapExFromXBitmap()" );
187 :
188 298 : if( !xInputBitmap.is() )
189 0 : return ::BitmapEx();
190 :
191 : // tunnel directly for known implementation
192 298 : VclCanvasBitmap* pImplBitmap = dynamic_cast<VclCanvasBitmap*>(xInputBitmap.get());
193 298 : if( pImplBitmap )
194 296 : return pImplBitmap->getBitmapEx();
195 :
196 : // retrieve data via UNO interface
197 :
198 : // volatile bitmaps are a bit more complicated to read
199 : // from..
200 : uno::Reference<rendering::XVolatileBitmap> xVolatileBitmap(
201 2 : xInputBitmap, uno::UNO_QUERY);
202 :
203 : // loop a few times, until successfully read (for XVolatileBitmap)
204 2 : for( int i=0; i<10; ++i )
205 : {
206 2 : sal_Int32 nDepth=0;
207 2 : sal_Int32 nAlphaDepth=0;
208 : const rendering::IntegerBitmapLayout aLayout(
209 2 : xInputBitmap->getMemoryLayout());
210 :
211 : OSL_ENSURE(aLayout.ColorSpace.is(),
212 : "Cannot convert image without color space!");
213 2 : if( !aLayout.ColorSpace.is() )
214 0 : return ::BitmapEx();
215 :
216 2 : nDepth = aLayout.ColorSpace->getBitsPerPixel();
217 :
218 2 : if( xInputBitmap->hasAlpha() )
219 : {
220 : // determine alpha channel depth
221 : const uno::Sequence<sal_Int8> aTags(
222 1 : aLayout.ColorSpace->getComponentTags() );
223 1 : const sal_Int8* pStart(aTags.getConstArray());
224 1 : const sal_Size nLen(aTags.getLength());
225 1 : const sal_Int8* pEnd(pStart+nLen);
226 :
227 : const std::ptrdiff_t nAlphaIndex =
228 : std::find(pStart,pEnd,
229 1 : rendering::ColorComponentTag::ALPHA) - pStart;
230 :
231 1 : if( nAlphaIndex < sal::static_int_cast<std::ptrdiff_t>(nLen) )
232 : {
233 1 : nAlphaDepth = aLayout.ColorSpace->getComponentBitCounts()[nAlphaIndex] > 1 ? 8 : 1;
234 1 : nDepth -= nAlphaDepth;
235 1 : }
236 : }
237 :
238 2 : BitmapPalette aPalette;
239 2 : if( aLayout.Palette.is() )
240 : {
241 : uno::Reference< rendering::XColorSpace > xPaletteColorSpace(
242 1 : aLayout.Palette->getColorSpace());
243 1 : ENSURE_OR_THROW(xPaletteColorSpace.is(),
244 : "Palette without color space");
245 :
246 1 : const sal_Int32 nEntryCount( aLayout.Palette->getNumberOfEntries() );
247 1 : if( nEntryCount <= 256 )
248 : {
249 1 : if( nEntryCount <= 2 )
250 0 : nDepth = 1;
251 : else
252 1 : nDepth = 8;
253 :
254 : const sal_uInt16 nPaletteEntries(
255 : sal::static_int_cast<sal_uInt16>(
256 1 : std::min(sal_Int32(255), nEntryCount)));
257 :
258 : // copy palette entries
259 1 : aPalette.SetEntryCount(nPaletteEntries);
260 1 : uno::Reference<rendering::XBitmapPalette> xPalette( aLayout.Palette );
261 2 : uno::Reference<rendering::XColorSpace> xPalColorSpace( xPalette->getColorSpace() );
262 :
263 2 : uno::Sequence<double> aPaletteEntry;
264 256 : for( sal_uInt16 j=0; j<nPaletteEntries; ++j )
265 : {
266 255 : if( !xPalette->getIndex(aPaletteEntry,j) &&
267 : nAlphaDepth == 0 )
268 : {
269 0 : nAlphaDepth = 1;
270 : }
271 255 : uno::Sequence<rendering::RGBColor> aColors=xPalColorSpace->convertToRGB(aPaletteEntry);
272 255 : ENSURE_OR_THROW(aColors.getLength() == 1,
273 : "Palette returned more or less than one entry");
274 255 : const rendering::RGBColor& rColor=aColors[0];
275 765 : aPalette[j] = BitmapColor(toByteColor(rColor.Red),
276 255 : toByteColor(rColor.Green),
277 510 : toByteColor(rColor.Blue));
278 256 : }
279 1 : }
280 : }
281 :
282 : const ::Size aPixelSize(
283 2 : sizeFromIntegerSize2D(xInputBitmap->getSize()));
284 :
285 : // normalize bitcount
286 : nDepth =
287 : ( nDepth <= 1 ) ? 1 :
288 : ( nDepth <= 4 ) ? 4 :
289 2 : ( nDepth <= 8 ) ? 8 : 24;
290 :
291 : ::Bitmap aBitmap( aPixelSize,
292 2 : sal::static_int_cast<sal_uInt16>(nDepth),
293 4 : aLayout.Palette.is() ? &aPalette : NULL );
294 2 : ::Bitmap aAlpha;
295 2 : if( nAlphaDepth )
296 2 : aAlpha = ::Bitmap( aPixelSize,
297 1 : sal::static_int_cast<sal_uInt16>(nAlphaDepth),
298 : &::Bitmap::GetGreyPalette(
299 2 : sal::static_int_cast<sal_uInt16>(1L << nAlphaDepth)) );
300 :
301 : { // limit scoped access
302 2 : Bitmap::ScopedWriteAccess pWriteAccess( aBitmap );
303 : Bitmap::ScopedWriteAccess pAlphaWriteAccess( nAlphaDepth ? aAlpha.AcquireWriteAccess() : NULL,
304 4 : aAlpha );
305 :
306 2 : ENSURE_OR_THROW(pWriteAccess.get() != NULL,
307 : "Cannot get write access to bitmap");
308 :
309 2 : const sal_Int32 nWidth(aPixelSize.Width());
310 2 : const sal_Int32 nHeight(aPixelSize.Height());
311 :
312 2 : if( !readBmp(nWidth,nHeight,aLayout,xInputBitmap,
313 2 : pWriteAccess,pAlphaWriteAccess) )
314 2 : continue;
315 : } // limit scoped access
316 :
317 2 : if( nAlphaDepth )
318 : return ::BitmapEx( aBitmap,
319 1 : AlphaMask( aAlpha ) );
320 : else
321 1 : return ::BitmapEx( aBitmap );
322 0 : }
323 :
324 : // failed to read data 10 times - bail out
325 0 : return ::BitmapEx();
326 : }
327 :
328 0 : geometry::RealSize2D size2DFromSize( const Size& rSize )
329 : {
330 0 : return geometry::RealSize2D( rSize.Width(),
331 0 : rSize.Height() );
332 : }
333 :
334 15 : Size sizeFromRealSize2D( const geometry::RealSize2D& rSize )
335 : {
336 15 : return Size( static_cast<long>(rSize.Width + .5),
337 30 : static_cast<long>(rSize.Height + .5) );
338 : }
339 :
340 0 : ::Size sizeFromB2DSize( const ::basegfx::B2DVector& rVec )
341 : {
342 : return ::Size( FRound( rVec.getX() ),
343 0 : FRound( rVec.getY() ) );
344 : }
345 :
346 0 : ::Point pointFromB2DPoint( const ::basegfx::B2DPoint& rPoint )
347 : {
348 : return ::Point( FRound( rPoint.getX() ),
349 0 : FRound( rPoint.getY() ) );
350 : }
351 :
352 232 : ::Rectangle rectangleFromB2DRectangle( const ::basegfx::B2DRange& rRect )
353 : {
354 : return ::Rectangle( FRound( rRect.getMinX() ),
355 : FRound( rRect.getMinY() ),
356 : FRound( rRect.getMaxX() ),
357 232 : FRound( rRect.getMaxY() ) );
358 : }
359 :
360 0 : Point pointFromB2IPoint( const ::basegfx::B2IPoint& rPoint )
361 : {
362 0 : return ::Point( rPoint.getX(),
363 0 : rPoint.getY() );
364 : }
365 :
366 0 : Rectangle rectangleFromB2IRectangle( const ::basegfx::B2IRange& rRect )
367 : {
368 0 : return ::Rectangle( rRect.getMinX(),
369 0 : rRect.getMinY(),
370 0 : rRect.getMaxX(),
371 0 : rRect.getMaxY() );
372 : }
373 :
374 0 : ::basegfx::B2DVector b2DSizeFromSize( const ::Size& rSize )
375 : {
376 0 : return ::basegfx::B2DVector( rSize.Width(),
377 0 : rSize.Height() );
378 : }
379 :
380 0 : ::basegfx::B2DPoint b2DPointFromPoint( const ::Point& rPoint )
381 : {
382 0 : return ::basegfx::B2DPoint( rPoint.X(),
383 0 : rPoint.Y() );
384 : }
385 :
386 307 : ::basegfx::B2DRange b2DRectangleFromRectangle( const ::Rectangle& rRect )
387 : {
388 307 : return ::basegfx::B2DRange( rRect.Left(),
389 307 : rRect.Top(),
390 307 : rRect.Right(),
391 1228 : rRect.Bottom() );
392 : }
393 :
394 34 : geometry::IntegerSize2D integerSize2DFromSize( const Size& rSize )
395 : {
396 34 : return geometry::IntegerSize2D( rSize.Width(),
397 68 : rSize.Height() );
398 : }
399 :
400 2 : Size sizeFromIntegerSize2D( const geometry::IntegerSize2D& rSize )
401 : {
402 : return Size( rSize.Width,
403 2 : rSize.Height );
404 : }
405 :
406 0 : Point pointFromIntegerPoint2D( const geometry::IntegerPoint2D& rPoint )
407 : {
408 : return Point( rPoint.X,
409 0 : rPoint.Y );
410 : }
411 :
412 30 : Rectangle rectangleFromIntegerRectangle2D( const geometry::IntegerRectangle2D& rRectangle )
413 : {
414 : return Rectangle( rRectangle.X1, rRectangle.Y1,
415 30 : rRectangle.X2, rRectangle.Y2 );
416 : }
417 :
418 : namespace
419 : {
420 6 : class StandardColorSpace : public cppu::WeakImplHelper1< com::sun::star::rendering::XColorSpace >
421 : {
422 : private:
423 : uno::Sequence< sal_Int8 > m_aComponentTags;
424 :
425 0 : virtual ::sal_Int8 SAL_CALL getType( ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
426 : {
427 0 : return rendering::ColorSpaceType::RGB;
428 : }
429 0 : virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
430 : {
431 0 : return m_aComponentTags;
432 : }
433 0 : virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
434 : {
435 0 : return rendering::RenderingIntent::PERCEPTUAL;
436 : }
437 0 : virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE
438 : {
439 0 : return uno::Sequence< beans::PropertyValue >();
440 : }
441 0 : virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
442 : const uno::Reference< rendering::XColorSpace >& targetColorSpace ) throw (lang::IllegalArgumentException,
443 : uno::RuntimeException, std::exception) SAL_OVERRIDE
444 : {
445 : // TODO(P3): if we know anything about target
446 : // colorspace, this can be greatly sped up
447 : uno::Sequence<rendering::ARGBColor> aIntermediate(
448 0 : convertToARGB(deviceColor));
449 0 : return targetColorSpace->convertFromARGB(aIntermediate);
450 : }
451 255 : virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception) SAL_OVERRIDE
452 : {
453 255 : const double* pIn( deviceColor.getConstArray() );
454 255 : const sal_Size nLen( deviceColor.getLength() );
455 255 : ENSURE_ARG_OR_THROW2(nLen%4==0,
456 : "number of channels no multiple of 4",
457 : static_cast<rendering::XColorSpace*>(this), 0);
458 :
459 255 : uno::Sequence< rendering::RGBColor > aRes(nLen/4);
460 255 : rendering::RGBColor* pOut( aRes.getArray() );
461 510 : for( sal_Size i=0; i<nLen; i+=4 )
462 : {
463 255 : *pOut++ = rendering::RGBColor(pIn[0],pIn[1],pIn[2]);
464 255 : pIn += 4;
465 : }
466 255 : return aRes;
467 : }
468 0 : virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception) SAL_OVERRIDE
469 : {
470 0 : const double* pIn( deviceColor.getConstArray() );
471 0 : const sal_Size nLen( deviceColor.getLength() );
472 0 : ENSURE_ARG_OR_THROW2(nLen%4==0,
473 : "number of channels no multiple of 4",
474 : static_cast<rendering::XColorSpace*>(this), 0);
475 :
476 0 : uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
477 0 : rendering::ARGBColor* pOut( aRes.getArray() );
478 0 : for( sal_Size i=0; i<nLen; i+=4 )
479 : {
480 0 : *pOut++ = rendering::ARGBColor(pIn[3],pIn[0],pIn[1],pIn[2]);
481 0 : pIn += 4;
482 : }
483 0 : return aRes;
484 : }
485 0 : virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception) SAL_OVERRIDE
486 : {
487 0 : const double* pIn( deviceColor.getConstArray() );
488 0 : const sal_Size nLen( deviceColor.getLength() );
489 0 : ENSURE_ARG_OR_THROW2(nLen%4==0,
490 : "number of channels no multiple of 4",
491 : static_cast<rendering::XColorSpace*>(this), 0);
492 :
493 0 : uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
494 0 : rendering::ARGBColor* pOut( aRes.getArray() );
495 0 : for( sal_Size i=0; i<nLen; i+=4 )
496 : {
497 0 : *pOut++ = rendering::ARGBColor(pIn[3],pIn[3]*pIn[0],pIn[3]*pIn[1],pIn[3]*pIn[2]);
498 0 : pIn += 4;
499 : }
500 0 : return aRes;
501 : }
502 0 : virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception) SAL_OVERRIDE
503 : {
504 0 : const rendering::RGBColor* pIn( rgbColor.getConstArray() );
505 0 : const sal_Size nLen( rgbColor.getLength() );
506 :
507 0 : uno::Sequence< double > aRes(nLen*4);
508 0 : double* pColors=aRes.getArray();
509 0 : for( sal_Size i=0; i<nLen; ++i )
510 : {
511 0 : *pColors++ = pIn->Red;
512 0 : *pColors++ = pIn->Green;
513 0 : *pColors++ = pIn->Blue;
514 0 : *pColors++ = 1.0;
515 0 : ++pIn;
516 : }
517 0 : return aRes;
518 : }
519 10 : virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception) SAL_OVERRIDE
520 : {
521 10 : const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
522 10 : const sal_Size nLen( rgbColor.getLength() );
523 :
524 10 : uno::Sequence< double > aRes(nLen*4);
525 10 : double* pColors=aRes.getArray();
526 20 : for( sal_Size i=0; i<nLen; ++i )
527 : {
528 10 : *pColors++ = pIn->Red;
529 10 : *pColors++ = pIn->Green;
530 10 : *pColors++ = pIn->Blue;
531 10 : *pColors++ = pIn->Alpha;
532 10 : ++pIn;
533 : }
534 10 : return aRes;
535 : }
536 0 : virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception) SAL_OVERRIDE
537 : {
538 0 : const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
539 0 : const sal_Size nLen( rgbColor.getLength() );
540 :
541 0 : uno::Sequence< double > aRes(nLen*4);
542 0 : double* pColors=aRes.getArray();
543 0 : for( sal_Size i=0; i<nLen; ++i )
544 : {
545 0 : *pColors++ = pIn->Red/pIn->Alpha;
546 0 : *pColors++ = pIn->Green/pIn->Alpha;
547 0 : *pColors++ = pIn->Blue/pIn->Alpha;
548 0 : *pColors++ = pIn->Alpha;
549 0 : ++pIn;
550 : }
551 0 : return aRes;
552 : }
553 :
554 : public:
555 3 : StandardColorSpace() : m_aComponentTags(4)
556 : {
557 3 : sal_Int8* pTags = m_aComponentTags.getArray();
558 3 : pTags[0] = rendering::ColorComponentTag::RGB_RED;
559 3 : pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
560 3 : pTags[2] = rendering::ColorComponentTag::RGB_BLUE;
561 3 : pTags[3] = rendering::ColorComponentTag::ALPHA;
562 3 : }
563 : };
564 : }
565 :
566 3 : uno::Reference<rendering::XColorSpace> createStandardColorSpace()
567 : {
568 3 : return new StandardColorSpace();
569 : }
570 :
571 255 : uno::Sequence< double > colorToStdColorSpaceSequence( const Color& rColor )
572 : {
573 255 : uno::Sequence< double > aRet(4);
574 255 : double* pRet = aRet.getArray();
575 :
576 255 : pRet[0] = toDoubleColor(rColor.GetRed());
577 255 : pRet[1] = toDoubleColor(rColor.GetGreen());
578 255 : pRet[2] = toDoubleColor(rColor.GetBlue());
579 :
580 : // VCL's notion of alpha is different from the rest of the world's
581 255 : pRet[3] = 1.0 - toDoubleColor(rColor.GetTransparency());
582 :
583 255 : return aRet;
584 : }
585 :
586 0 : Color stdColorSpaceSequenceToColor( const uno::Sequence< double >& rColor )
587 : {
588 0 : ENSURE_ARG_OR_THROW( rColor.getLength() == 4,
589 : "color must have 4 channels" );
590 :
591 0 : Color aColor;
592 :
593 0 : aColor.SetRed ( toByteColor(rColor[0]) );
594 0 : aColor.SetGreen( toByteColor(rColor[1]) );
595 0 : aColor.SetBlue ( toByteColor(rColor[2]) );
596 : // VCL's notion of alpha is different from the rest of the world's
597 0 : aColor.SetTransparency( 255 - toByteColor(rColor[3]) );
598 :
599 0 : return aColor;
600 : }
601 :
602 10 : uno::Sequence< double > colorToDoubleSequence(
603 : const Color& rColor,
604 : const uno::Reference< rendering::XColorSpace >& xColorSpace )
605 : {
606 10 : uno::Sequence<rendering::ARGBColor> aSeq(1);
607 10 : aSeq[0] = rendering::ARGBColor(
608 10 : 1.0-toDoubleColor(rColor.GetTransparency()),
609 10 : toDoubleColor(rColor.GetRed()),
610 10 : toDoubleColor(rColor.GetGreen()),
611 40 : toDoubleColor(rColor.GetBlue()) );
612 :
613 10 : return xColorSpace->convertFromARGB(aSeq);
614 : }
615 :
616 0 : Color doubleSequenceToColor(
617 : const uno::Sequence< double >& rColor,
618 : const uno::Reference< rendering::XColorSpace >& xColorSpace )
619 : {
620 : const rendering::ARGBColor aARGBColor(
621 0 : xColorSpace->convertToARGB(rColor)[0]);
622 :
623 0 : return Color( 255-toByteColor(aARGBColor.Alpha),
624 0 : toByteColor(aARGBColor.Red),
625 0 : toByteColor(aARGBColor.Green),
626 0 : toByteColor(aARGBColor.Blue) );
627 : }
628 :
629 : } // namespace vcltools
630 :
631 : } // namespace canvas
632 :
633 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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