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
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 #include "oox/vml/vmlformatting.hxx"
25
26 #include <rtl/strbuf.hxx>
27 #include "oox/drawingml/color.hxx"
28 #include "oox/drawingml/drawingmltypes.hxx"
29 #include "oox/drawingml/fillproperties.hxx"
30 #include "oox/drawingml/lineproperties.hxx"
31 #include "oox/drawingml/shapepropertymap.hxx"
32 #include "oox/helper/attributelist.hxx"
33 #include "oox/helper/graphichelper.hxx"
34
35 namespace oox {
36 namespace vml {
37
38 // ============================================================================
39
40 using namespace ::com::sun::star::geometry;
41
42 using ::oox::drawingml::Color;
43 using ::oox::drawingml::FillProperties;
44 using ::oox::drawingml::LineArrowProperties;
45 using ::oox::drawingml::LineProperties;
46 using ::oox::drawingml::ShapePropertyMap;
47 using ::rtl::OStringBuffer;
48 using ::rtl::OUString;
49
50 // ============================================================================
51
52 namespace {
53
lclExtractDouble(double & orfValue,sal_Int32 & ornEndPos,const OUString & rValue)54 bool lclExtractDouble( double& orfValue, sal_Int32& ornEndPos, const OUString& rValue )
55 {
56 // extract the double value and find start position of unit characters
57 rtl_math_ConversionStatus eConvStatus = rtl_math_ConversionStatus_Ok;
58 orfValue = ::rtl::math::stringToDouble( rValue, '.', '\0', &eConvStatus, &ornEndPos );
59 return eConvStatus == rtl_math_ConversionStatus_Ok;
60 }
61
62 } // namespace
63
64 // ----------------------------------------------------------------------------
65
separatePair(OUString & orValue1,OUString & orValue2,const OUString & rValue,sal_Unicode cSep)66 /*static*/ bool ConversionHelper::separatePair( OUString& orValue1, OUString& orValue2,
67 const OUString& rValue, sal_Unicode cSep )
68 {
69 sal_Int32 nSepPos = rValue.indexOf( cSep );
70 if( nSepPos >= 0 )
71 {
72 orValue1 = rValue.copy( 0, nSepPos ).trim();
73 orValue2 = rValue.copy( nSepPos + 1 ).trim();
74 }
75 else
76 {
77 orValue1 = rValue.trim();
78 }
79 return (orValue1.getLength() > 0) && (orValue2.getLength() > 0);
80 }
81
decodeBool(const OUString & rValue)82 /*static*/ bool ConversionHelper::decodeBool( const OUString& rValue )
83 {
84 sal_Int32 nToken = AttributeConversion::decodeToken( rValue );
85 // anything else than 't' or 'true' is considered to be false, as specified
86 return (nToken == XML_t) || (nToken == XML_true);
87 }
88
decodePercent(const OUString & rValue,double fDefValue)89 /*static*/ double ConversionHelper::decodePercent( const OUString& rValue, double fDefValue )
90 {
91 if( rValue.getLength() == 0 )
92 return fDefValue;
93
94 double fValue = 0.0;
95 sal_Int32 nEndPos = 0;
96 if( !lclExtractDouble( fValue, nEndPos, rValue ) )
97 return fDefValue;
98
99 if( nEndPos == rValue.getLength() )
100 return fValue;
101
102 if( (nEndPos + 1 == rValue.getLength()) && (rValue[ nEndPos ] == '%') )
103 return fValue / 100.0;
104
105 OSL_ENSURE( false, "ConversionHelper::decodePercent - unknown measure unit" );
106 return fDefValue;
107 }
108
decodeMeasureToEmu(const GraphicHelper & rGraphicHelper,const OUString & rValue,sal_Int32 nRefValue,bool bPixelX,bool bDefaultAsPixel)109 /*static*/ sal_Int64 ConversionHelper::decodeMeasureToEmu( const GraphicHelper& rGraphicHelper,
110 const OUString& rValue, sal_Int32 nRefValue, bool bPixelX, bool bDefaultAsPixel )
111 {
112 // default for missing values is 0
113 if( rValue.getLength() == 0 )
114 return 0;
115
116 // TODO: according to spec, value may contain "auto"
117 if( rValue.equalsAscii( "auto" ) )
118 {
119 OSL_ENSURE( false, "ConversionHelper::decodeMeasureToEmu - special value 'auto' must be handled by caller" );
120 return nRefValue;
121 }
122
123 // extract the double value and find start position of unit characters
124 double fValue = 0.0;
125 sal_Int32 nEndPos = 0;
126 if( !lclExtractDouble( fValue, nEndPos, rValue ) || (fValue == 0.0) )
127 return 0;
128
129 // process trailing unit, convert to EMU
130 static const OUString saPx = CREATE_OUSTRING( "px" );
131 OUString aUnit;
132 if( (0 < nEndPos) && (nEndPos < rValue.getLength()) )
133 aUnit = rValue.copy( nEndPos );
134 else if( bDefaultAsPixel )
135 aUnit = saPx;
136 // else default is EMU
137
138 if( aUnit.getLength() == 2 )
139 {
140 sal_Unicode cChar1 = aUnit[ 0 ];
141 sal_Unicode cChar2 = aUnit[ 1 ];
142 if( (cChar1 == 'i') && (cChar2 == 'n') ) // 1 inch = 914,400 EMU
143 fValue *= 914400.0;
144 else if( (cChar1 == 'c') && (cChar2 == 'm') ) // 1 cm = 360,000 EMU
145 fValue *= 360000.0;
146 else if( (cChar1 == 'm') && (cChar2 == 'm') ) // 1 mm = 36,000 EMU
147 fValue *= 36000.0;
148 else if( (cChar1 == 'p') && (cChar2 == 't') ) // 1 point = 1/72 inch = 12,700 MEU
149 fValue *= 12700.0;
150 else if( (cChar1 == 'p') && (cChar2 == 'c') ) // 1 pica = 1/6 inch = 152,400 EMU
151 fValue *= 152400.0;
152 else if( (cChar1 == 'p') && (cChar2 == 'x') ) // 1 pixel, dependent on output device
153 fValue = static_cast< double >( ::oox::drawingml::convertHmmToEmu(
154 bPixelX ?
155 rGraphicHelper.convertScreenPixelXToHmm( fValue ) :
156 rGraphicHelper.convertScreenPixelYToHmm( fValue ) ) );
157 }
158 else if( (aUnit.getLength() == 1) && (aUnit[ 0 ] == '%') )
159 {
160 fValue *= nRefValue / 100.0;
161 }
162 else if( bDefaultAsPixel || (aUnit.getLength() > 0) ) // default as EMU and no unit -> do nothing
163 {
164 OSL_ENSURE( false, "ConversionHelper::decodeMeasureToEmu - unknown measure unit" );
165 fValue = nRefValue;
166 }
167 return static_cast< sal_Int64 >( fValue + 0.5 );
168 }
169
decodeMeasureToHmm(const GraphicHelper & rGraphicHelper,const OUString & rValue,sal_Int32 nRefValue,bool bPixelX,bool bDefaultAsPixel)170 /*static*/ sal_Int32 ConversionHelper::decodeMeasureToHmm( const GraphicHelper& rGraphicHelper,
171 const OUString& rValue, sal_Int32 nRefValue, bool bPixelX, bool bDefaultAsPixel )
172 {
173 return ::oox::drawingml::convertEmuToHmm( decodeMeasureToEmu( rGraphicHelper, rValue, nRefValue, bPixelX, bDefaultAsPixel ) );
174 }
175
decodeColor(const GraphicHelper & rGraphicHelper,const OptValue<OUString> & roVmlColor,const OptValue<double> & roVmlOpacity,sal_Int32 nDefaultRgb,sal_Int32 nPrimaryRgb)176 /*static*/ Color ConversionHelper::decodeColor( const GraphicHelper& rGraphicHelper,
177 const OptValue< OUString >& roVmlColor, const OptValue< double >& roVmlOpacity,
178 sal_Int32 nDefaultRgb, sal_Int32 nPrimaryRgb )
179 {
180 Color aDmlColor;
181
182 // convert opacity
183 const sal_Int32 DML_FULL_OPAQUE = ::oox::drawingml::MAX_PERCENT;
184 double fOpacity = roVmlOpacity.get( 1.0 );
185 sal_Int32 nOpacity = getLimitedValue< sal_Int32, double >( fOpacity * DML_FULL_OPAQUE, 0, DML_FULL_OPAQUE );
186 if( nOpacity < DML_FULL_OPAQUE )
187 aDmlColor.addTransformation( XML_alpha, nOpacity );
188
189 // color attribute not present - set passed default color
190 if( !roVmlColor.has() )
191 {
192 aDmlColor.setSrgbClr( nDefaultRgb );
193 return aDmlColor;
194 }
195
196 // separate leading color name or RGB value from following palette index
197 OUString aColorName, aColorIndex;
198 separatePair( aColorName, aColorIndex, roVmlColor.get(), ' ' );
199
200 // RGB colors in the format '#RRGGBB'
201 if( (aColorName.getLength() == 7) && (aColorName[ 0 ] == '#') )
202 {
203 aDmlColor.setSrgbClr( aColorName.copy( 1 ).toInt32( 16 ) );
204 return aDmlColor;
205 }
206
207 // RGB colors in the format '#RGB'
208 if( (aColorName.getLength() == 4) && (aColorName[ 0 ] == '#') )
209 {
210 sal_Int32 nR = aColorName.copy( 1, 1 ).toInt32( 16 ) * 0x11;
211 sal_Int32 nG = aColorName.copy( 2, 1 ).toInt32( 16 ) * 0x11;
212 sal_Int32 nB = aColorName.copy( 3, 1 ).toInt32( 16 ) * 0x11;
213 aDmlColor.setSrgbClr( (nR << 16) | (nG << 8) | nB );
214 return aDmlColor;
215 }
216
217 /* Predefined color names or system color names (resolve to RGB to detect
218 valid color name). */
219 sal_Int32 nColorToken = AttributeConversion::decodeToken( aColorName );
220 sal_Int32 nRgbValue = Color::getVmlPresetColor( nColorToken, API_RGB_TRANSPARENT );
221 if( nRgbValue == API_RGB_TRANSPARENT )
222 nRgbValue = rGraphicHelper.getSystemColor( nColorToken, API_RGB_TRANSPARENT );
223 if( nRgbValue != API_RGB_TRANSPARENT )
224 {
225 aDmlColor.setSrgbClr( nRgbValue );
226 return aDmlColor;
227 }
228
229 // try palette colors enclosed in brackets
230 if( (aColorIndex.getLength() >= 3) && (aColorIndex[ 0 ] == '[') && (aColorIndex[ aColorIndex.getLength() - 1 ] == ']') )
231 {
232 aDmlColor.setPaletteClr( aColorIndex.copy( 1, aColorIndex.getLength() - 2 ).toInt32() );
233 return aDmlColor;
234 }
235
236 // try fill gradient modificator 'fill <modifier>(<amount>)'
237 if( (nPrimaryRgb != API_RGB_TRANSPARENT) && (nColorToken == XML_fill) )
238 {
239 sal_Int32 nOpenParen = aColorIndex.indexOf( '(' );
240 sal_Int32 nCloseParen = aColorIndex.indexOf( ')' );
241 if( (2 <= nOpenParen) && (nOpenParen + 1 < nCloseParen) && (nCloseParen + 1 == aColorIndex.getLength()) )
242 {
243 sal_Int32 nModToken = XML_TOKEN_INVALID;
244 switch( AttributeConversion::decodeToken( aColorIndex.copy( 0, nOpenParen ) ) )
245 {
246 case XML_darken: nModToken = XML_shade;
247 case XML_lighten: nModToken = XML_tint;
248 }
249 sal_Int32 nValue = aColorIndex.copy( nOpenParen + 1, nCloseParen - nOpenParen - 1 ).toInt32();
250 if( (nModToken != XML_TOKEN_INVALID) && (0 <= nValue) && (nValue < 255) )
251 {
252 /* Simulate this modifier color by a color with related transformation.
253 The modifier amount has to be converted from the range [0;255] to
254 percentage [0;100000] used by DrawingML. */
255 aDmlColor.setSrgbClr( nPrimaryRgb );
256 aDmlColor.addTransformation( nModToken, static_cast< sal_Int32 >( nValue * ::oox::drawingml::MAX_PERCENT / 255 ) );
257 return aDmlColor;
258 }
259 }
260 }
261
262 OSL_ENSURE( false, OStringBuffer( "ConversionHelper::decodeColor - invalid VML color name '" ).
263 append( OUStringToOString( roVmlColor.get(), RTL_TEXTENCODING_ASCII_US ) ).append( '\'' ).getStr() );
264 aDmlColor.setSrgbClr( nDefaultRgb );
265 return aDmlColor;
266 }
267
268 // ============================================================================
269
270 namespace {
271
lclGetEmu(const GraphicHelper & rGraphicHelper,const OptValue<OUString> & roValue,sal_Int64 nDefValue)272 sal_Int64 lclGetEmu( const GraphicHelper& rGraphicHelper, const OptValue< OUString >& roValue, sal_Int64 nDefValue )
273 {
274 return roValue.has() ? ConversionHelper::decodeMeasureToEmu( rGraphicHelper, roValue.get(), 0, false, false ) : nDefValue;
275 }
276
lclGetDmlLineDash(OptValue<sal_Int32> & oroPresetDash,LineProperties::DashStopVector & orCustomDash,const OptValue<OUString> & roDashStyle)277 void lclGetDmlLineDash( OptValue< sal_Int32 >& oroPresetDash, LineProperties::DashStopVector& orCustomDash, const OptValue< OUString >& roDashStyle )
278 {
279 if( roDashStyle.has() )
280 {
281 const OUString& rDashStyle = roDashStyle.get();
282 switch( AttributeConversion::decodeToken( rDashStyle ) )
283 {
284 case XML_solid: oroPresetDash = XML_solid; return;
285 case XML_shortdot: oroPresetDash = XML_sysDot; return;
286 case XML_shortdash: oroPresetDash = XML_sysDash; return;
287 case XML_shortdashdot: oroPresetDash = XML_sysDashDot; return;
288 case XML_shortdashdotdot: oroPresetDash = XML_sysDashDotDot; return;
289 case XML_dot: oroPresetDash = XML_dot; return;
290 case XML_dash: oroPresetDash = XML_dash; return;
291 case XML_dashdot: oroPresetDash = XML_dashDot; return;
292 case XML_longdash: oroPresetDash = XML_lgDash; return;
293 case XML_longdashdot: oroPresetDash = XML_lgDashDot; return;
294 case XML_longdashdotdot: oroPresetDash = XML_lgDashDotDot; return;
295
296 // try to convert user-defined dash style
297 default:
298 {
299 ::std::vector< sal_Int32 > aValues;
300 sal_Int32 nIndex = 0;
301 while( nIndex >= 0 )
302 aValues.push_back( rDashStyle.getToken( 0, ' ', nIndex ).toInt32() );
303 size_t nPairs = aValues.size() / 2; // ignore last value if size is odd
304 for( size_t nPairIdx = 0; nPairIdx < nPairs; ++nPairIdx )
305 orCustomDash.push_back( LineProperties::DashStop( aValues[ 2 * nPairIdx ], aValues[ 2 * nPairIdx + 1 ] ) );
306 }
307 }
308 }
309 }
310
lclGetDmlArrowType(const OptValue<sal_Int32> & roArrowType)311 sal_Int32 lclGetDmlArrowType( const OptValue< sal_Int32 >& roArrowType )
312 {
313 if( roArrowType.has() ) switch( roArrowType.get() )
314 {
315 case XML_none: return XML_none;
316 case XML_block: return XML_triangle;
317 case XML_classic: return XML_stealth;
318 case XML_diamond: return XML_diamond;
319 case XML_oval: return XML_oval;
320 case XML_open: return XML_arrow;
321 }
322 return XML_none;
323 }
324
lclGetDmlArrowWidth(const OptValue<sal_Int32> & roArrowWidth)325 sal_Int32 lclGetDmlArrowWidth( const OptValue< sal_Int32 >& roArrowWidth )
326 {
327 if( roArrowWidth.has() ) switch( roArrowWidth.get() )
328 {
329 case XML_narrow: return XML_sm;
330 case XML_medium: return XML_med;
331 case XML_wide: return XML_lg;
332 }
333 return XML_med;
334 }
335
lclGetDmlArrowLength(const OptValue<sal_Int32> & roArrowLength)336 sal_Int32 lclGetDmlArrowLength( const OptValue< sal_Int32 >& roArrowLength )
337 {
338 if( roArrowLength.has() ) switch( roArrowLength.get() )
339 {
340 case XML_short: return XML_sm;
341 case XML_medium: return XML_med;
342 case XML_long: return XML_lg;
343 }
344 return XML_med;
345 }
346
lclConvertArrow(LineArrowProperties & orArrowProp,const StrokeArrowModel & rStrokeArrow)347 void lclConvertArrow( LineArrowProperties& orArrowProp, const StrokeArrowModel& rStrokeArrow )
348 {
349 orArrowProp.moArrowType = lclGetDmlArrowType( rStrokeArrow.moArrowType );
350 orArrowProp.moArrowWidth = lclGetDmlArrowWidth( rStrokeArrow.moArrowWidth );
351 orArrowProp.moArrowLength = lclGetDmlArrowLength( rStrokeArrow.moArrowLength );
352 }
353
lclGetDmlLineCompound(const OptValue<sal_Int32> & roLineStyle)354 sal_Int32 lclGetDmlLineCompound( const OptValue< sal_Int32 >& roLineStyle )
355 {
356 if( roLineStyle.has() ) switch( roLineStyle.get() )
357 {
358 case XML_single: return XML_sng;
359 case XML_thinThin: return XML_dbl;
360 case XML_thinThick: return XML_thinThick;
361 case XML_thickThin: return XML_thickThin;
362 case XML_thickBetweenThin: return XML_tri;
363 }
364 return XML_sng;
365 }
366
lclGetDmlLineCap(const OptValue<sal_Int32> & roEndCap)367 sal_Int32 lclGetDmlLineCap( const OptValue< sal_Int32 >& roEndCap )
368 {
369 if( roEndCap.has() ) switch( roEndCap.get() )
370 {
371 case XML_flat: return XML_flat;
372 case XML_square: return XML_sq;
373 case XML_round: return XML_rnd;
374 }
375 return XML_flat; // different defaults in VML (flat) and DrawingML (square)
376 }
377
lclGetDmlLineJoint(const OptValue<sal_Int32> & roJoinStyle)378 sal_Int32 lclGetDmlLineJoint( const OptValue< sal_Int32 >& roJoinStyle )
379 {
380 if( roJoinStyle.has() ) switch( roJoinStyle.get() )
381 {
382 case XML_round: return XML_round;
383 case XML_bevel: return XML_bevel;
384 case XML_miter: return XML_miter;
385 }
386 return XML_round;
387 }
388
389 } // namespace
390
391 // ============================================================================
392
assignUsed(const StrokeArrowModel & rSource)393 void StrokeArrowModel::assignUsed( const StrokeArrowModel& rSource )
394 {
395 moArrowType.assignIfUsed( rSource.moArrowType );
396 moArrowWidth.assignIfUsed( rSource.moArrowWidth );
397 moArrowLength.assignIfUsed( rSource.moArrowLength );
398 }
399
400 // ============================================================================
401
assignUsed(const StrokeModel & rSource)402 void StrokeModel::assignUsed( const StrokeModel& rSource )
403 {
404 moStroked.assignIfUsed( rSource.moStroked );
405 maStartArrow.assignUsed( rSource.maStartArrow );
406 maEndArrow.assignUsed( rSource.maEndArrow );
407 moColor.assignIfUsed( rSource.moColor );
408 moOpacity.assignIfUsed( rSource.moOpacity );
409 moWeight.assignIfUsed( rSource.moWeight );
410 moDashStyle.assignIfUsed( rSource.moDashStyle );
411 moLineStyle.assignIfUsed( rSource.moLineStyle );
412 moEndCap.assignIfUsed( rSource.moEndCap );
413 moJoinStyle.assignIfUsed( rSource.moJoinStyle );
414 }
415
pushToPropMap(ShapePropertyMap & rPropMap,const GraphicHelper & rGraphicHelper) const416 void StrokeModel::pushToPropMap( ShapePropertyMap& rPropMap, const GraphicHelper& rGraphicHelper ) const
417 {
418 /* Convert VML line formatting to DrawingML line formatting and let the
419 DrawingML code do the hard work. */
420 LineProperties aLineProps;
421
422 if( moStroked.get( true ) )
423 {
424 aLineProps.maLineFill.moFillType = XML_solidFill;
425 lclConvertArrow( aLineProps.maStartArrow, maStartArrow );
426 lclConvertArrow( aLineProps.maEndArrow, maEndArrow );
427 aLineProps.maLineFill.maFillColor = ConversionHelper::decodeColor( rGraphicHelper, moColor, moOpacity, API_RGB_BLACK );
428 aLineProps.moLineWidth = getLimitedValue< sal_Int32, sal_Int64 >( lclGetEmu( rGraphicHelper, moWeight, 1 ), 0, SAL_MAX_INT32 );
429 lclGetDmlLineDash( aLineProps.moPresetDash, aLineProps.maCustomDash, moDashStyle );
430 aLineProps.moLineCompound = lclGetDmlLineCompound( moLineStyle );
431 aLineProps.moLineCap = lclGetDmlLineCap( moEndCap );
432 aLineProps.moLineJoint = lclGetDmlLineJoint( moJoinStyle );
433 }
434 else
435 {
436 aLineProps.maLineFill.moFillType = XML_noFill;
437 }
438
439 aLineProps.pushToPropMap( rPropMap, rGraphicHelper );
440 }
441
442 // ============================================================================
443
assignUsed(const FillModel & rSource)444 void FillModel::assignUsed( const FillModel& rSource )
445 {
446 moFilled.assignIfUsed( rSource.moFilled );
447 moColor.assignIfUsed( rSource.moColor );
448 moOpacity.assignIfUsed( rSource.moOpacity );
449 moColor2.assignIfUsed( rSource.moColor2 );
450 moOpacity2.assignIfUsed( rSource.moOpacity2 );
451 moType.assignIfUsed( rSource.moType );
452 moAngle.assignIfUsed( rSource.moAngle );
453 moFocus.assignIfUsed( rSource.moFocus );
454 moFocusPos.assignIfUsed( rSource.moFocusPos );
455 moFocusSize.assignIfUsed( rSource.moFocusSize );
456 moBitmapPath.assignIfUsed( rSource.moBitmapPath );
457 moRotate.assignIfUsed( rSource.moRotate );
458 }
459
pushToPropMap(ShapePropertyMap & rPropMap,const GraphicHelper & rGraphicHelper) const460 void FillModel::pushToPropMap( ShapePropertyMap& rPropMap, const GraphicHelper& rGraphicHelper ) const
461 {
462 /* Convert VML fill formatting to DrawingML fill formatting and let the
463 DrawingML code do the hard work. */
464 FillProperties aFillProps;
465
466 if( moFilled.get( true ) )
467 {
468 sal_Int32 nFillType = moType.get( XML_solid );
469 switch( nFillType )
470 {
471 case XML_gradient:
472 case XML_gradientRadial:
473 {
474 aFillProps.moFillType = XML_gradFill;
475 aFillProps.maGradientProps.moRotateWithShape = moRotate.get( false );
476 double fFocus = moFocus.get( 0.0 );
477
478 // prepare colors
479 Color aColor1 = ConversionHelper::decodeColor( rGraphicHelper, moColor, moOpacity, API_RGB_WHITE );
480 Color aColor2 = ConversionHelper::decodeColor( rGraphicHelper, moColor2, moOpacity2, API_RGB_WHITE, aColor1.getColor( rGraphicHelper ) );
481
482 // type XML_gradient is linear or axial gradient
483 if( nFillType == XML_gradient )
484 {
485 // normalize angle to range [0;360) degrees
486 sal_Int32 nVmlAngle = getIntervalValue< sal_Int32, sal_Int32 >( moAngle.get( 0 ), 0, 360 );
487
488 // focus of -50% or 50% is axial gradient
489 if( ((-0.75 <= fFocus) && (fFocus <= -0.25)) || ((0.25 <= fFocus) && (fFocus <= 0.75)) )
490 {
491 /* According to spec, focus of 50% is outer-to-inner,
492 and -50% is inner-to-outer (color to color2).
493 BUT: For angles >= 180 deg., the behaviour is
494 reversed... that's not spec'ed of course. So,
495 [0;180) deg. and 50%, or [180;360) deg. and -50% is
496 outer-to-inner in fact. */
497 bool bOuterToInner = (fFocus > 0.0) == (nVmlAngle < 180);
498 // simulate axial gradient by 3-step DrawingML gradient
499 const Color& rOuterColor = bOuterToInner ? aColor1 : aColor2;
500 const Color& rInnerColor = bOuterToInner ? aColor2 : aColor1;
501 aFillProps.maGradientProps.maGradientStops[ 0.0 ] = aFillProps.maGradientProps.maGradientStops[ 1.0 ] = rOuterColor;
502 aFillProps.maGradientProps.maGradientStops[ 0.5 ] = rInnerColor;
503 }
504 else // focus of -100%, 0%, and 100% is linear gradient
505 {
506 /* According to spec, focus of -100% or 100% swaps the
507 start and stop colors, effectively reversing the
508 gradient. BUT: For angles >= 180 deg., the
509 behaviour is reversed. This means that in this case
510 a focus of 0% swaps the gradient. */
511 if( ((fFocus < -0.75) || (fFocus > 0.75)) == (nVmlAngle < 180) )
512 (nVmlAngle += 180) %= 360;
513 // set the start and stop colors
514 aFillProps.maGradientProps.maGradientStops[ 0.0 ] = aColor1;
515 aFillProps.maGradientProps.maGradientStops[ 1.0 ] = aColor2;
516 }
517
518 // VML counts counterclockwise from bottom, DrawingML clockwise from left
519 sal_Int32 nDmlAngle = (630 - nVmlAngle) % 360;
520 aFillProps.maGradientProps.moShadeAngle = nDmlAngle * ::oox::drawingml::PER_DEGREE;
521 }
522 else // XML_gradientRadial is rectangular gradient
523 {
524 aFillProps.maGradientProps.moGradientPath = XML_rect;
525 // convert VML focus position and size to DrawingML fill-to-rect
526 DoublePair aFocusPos = moFocusPos.get( DoublePair( 0.0, 0.0 ) );
527 DoublePair aFocusSize = moFocusSize.get( DoublePair( 0.0, 0.0 ) );
528 double fLeft = getLimitedValue< double, double >( aFocusPos.first, 0.0, 1.0 );
529 double fTop = getLimitedValue< double, double >( aFocusPos.second, 0.0, 1.0 );
530 double fRight = getLimitedValue< double, double >( fLeft + aFocusSize.first, fLeft, 1.0 );
531 double fBottom = getLimitedValue< double, double >( fTop + aFocusSize.second, fTop, 1.0 );
532 aFillProps.maGradientProps.moFillToRect = IntegerRectangle2D(
533 static_cast< sal_Int32 >( fLeft * ::oox::drawingml::MAX_PERCENT ),
534 static_cast< sal_Int32 >( fTop * ::oox::drawingml::MAX_PERCENT ),
535 static_cast< sal_Int32 >( (1.0 - fRight) * ::oox::drawingml::MAX_PERCENT ),
536 static_cast< sal_Int32 >( (1.0 - fBottom) * ::oox::drawingml::MAX_PERCENT ) );
537
538 // set the start and stop colors (focus of 0% means outer-to-inner)
539 bool bOuterToInner = (-0.5 <= fFocus) && (fFocus <= 0.5);
540 aFillProps.maGradientProps.maGradientStops[ 0.0 ] = bOuterToInner ? aColor2 : aColor1;
541 aFillProps.maGradientProps.maGradientStops[ 1.0 ] = bOuterToInner ? aColor1 : aColor2;
542 }
543 }
544 break;
545
546 case XML_pattern:
547 case XML_tile:
548 case XML_frame:
549 {
550 if( moBitmapPath.has() && moBitmapPath.get().getLength() > 0 )
551 {
552 aFillProps.maBlipProps.mxGraphic = rGraphicHelper.importEmbeddedGraphic( moBitmapPath.get() );
553 if( aFillProps.maBlipProps.mxGraphic.is() )
554 {
555 aFillProps.moFillType = XML_blipFill;
556 aFillProps.maBlipProps.moBitmapMode = (nFillType == XML_frame) ? XML_stretch : XML_tile;
557 break; // do not break if bitmap is missing, but run to XML_solid instead
558 }
559 }
560 }
561 // run-through to XML_solid in case of missing bitmap path intended!
562
563 case XML_solid:
564 default:
565 {
566 aFillProps.moFillType = XML_solidFill;
567 // fill color (default is white)
568 aFillProps.maFillColor = ConversionHelper::decodeColor( rGraphicHelper, moColor, moOpacity, API_RGB_WHITE );
569 }
570 }
571 }
572 else
573 {
574 aFillProps.moFillType = XML_noFill;
575 }
576
577 aFillProps.pushToPropMap( rPropMap, rGraphicHelper );
578 }
579
580 // ============================================================================
581
582 } // namespace vml
583 } // namespace oox
584