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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 <svx/sdr/contact/viewcontactofgraphic.hxx>
21 : #include <svx/sdr/contact/viewobjectcontactofgraphic.hxx>
22 : #include <svx/svdograf.hxx>
23 : #include <svx/sdr/primitive2d/sdrattributecreator.hxx>
24 : #include <svl/itemset.hxx>
25 :
26 : #include <svx/sdgcpitm.hxx>
27 : #include <svx/sdr/contact/displayinfo.hxx>
28 : #include <svx/sdr/contact/viewobjectcontact.hxx>
29 : #include <svx/sdr/contact/objectcontact.hxx>
30 : #include <basegfx/matrix/b2dhommatrix.hxx>
31 : #include <svx/sdr/primitive2d/sdrgrafprimitive2d.hxx>
32 : #include "svx/svdstr.hrc"
33 : #include <svx/svdglob.hxx>
34 : #include <vcl/svapp.hxx>
35 : #include <vcl/settings.hxx>
36 : #include <basegfx/polygon/b2dpolygontools.hxx>
37 : #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
38 : #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
39 : #include <drawinglayer/primitive2d/textprimitive2d.hxx>
40 : #include <drawinglayer/primitive2d/textlayoutdevice.hxx>
41 : #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
42 : #include <svx/sdr/primitive2d/sdrtextprimitive2d.hxx>
43 : #include <editeng/eeitem.hxx>
44 : #include <editeng/colritem.hxx>
45 : #include <basegfx/matrix/b2dhommatrixtools.hxx>
46 : #include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>
47 :
48 : #include "eventhandler.hxx"
49 :
50 : namespace sdr
51 : {
52 : namespace contact
53 : {
54 : // Create a Object-Specific ViewObjectContact, set ViewContact and
55 : // ObjectContact. Always needs to return something.
56 0 : ViewObjectContact& ViewContactOfGraphic::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
57 : {
58 0 : ViewObjectContact* pRetval = new ViewObjectContactOfGraphic(rObjectContact, *this);
59 : DBG_ASSERT(pRetval, "ViewContact::CreateObjectSpecificViewObjectContact() failed (!)");
60 :
61 0 : return *pRetval;
62 : }
63 :
64 0 : ViewContactOfGraphic::ViewContactOfGraphic(SdrGrafObj& rGrafObj)
65 0 : : ViewContactOfTextObj(rGrafObj)
66 : {
67 0 : }
68 :
69 0 : ViewContactOfGraphic::~ViewContactOfGraphic()
70 : {
71 0 : }
72 :
73 0 : void ViewContactOfGraphic::flushGraphicObjects()
74 : {
75 : // #i102380# The graphic is swapped out. To let that have an effect ist is necessary to
76 : // delete copies of the GraphicObject which are not swapped out and have no SwapHandler set
77 : // (this is what happnes when the GraphicObject gets copied to a SdrGrafPrimitive2D). This
78 : // is best achieved for the VC by clearing the local decomposition cache. It would be possible
79 : // to also do this for the VOC cache, but that VOCs exist exactly expresss that the object
80 : // gets visualised, so this would be wrong.
81 0 : flushViewIndependentPrimitive2DSequence();
82 0 : }
83 :
84 0 : drawinglayer::primitive2d::Primitive2DSequence ViewContactOfGraphic::createVIP2DSForPresObj(
85 : const basegfx::B2DHomMatrix& rObjectMatrix,
86 : const drawinglayer::attribute::SdrLineFillShadowTextAttribute& rAttribute) const
87 : {
88 0 : drawinglayer::primitive2d::Primitive2DSequence xRetval;
89 0 : GraphicObject aEmptyGraphicObject;
90 0 : GraphicAttr aEmptyGraphicAttr;
91 :
92 : // SdrGrafPrimitive2D without content in original size which carries all eventual attributes and texts
93 : const drawinglayer::primitive2d::Primitive2DReference xReferenceA(new drawinglayer::primitive2d::SdrGrafPrimitive2D(
94 : rObjectMatrix,
95 : rAttribute,
96 : aEmptyGraphicObject,
97 0 : aEmptyGraphicAttr));
98 0 : xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReferenceA, 1);
99 :
100 : // SdrGrafPrimitive2D with content (which is the preview graphic) scaled to smaller size and
101 : // without attributes
102 0 : basegfx::B2DHomMatrix aSmallerMatrix;
103 :
104 : // #i94431# for some reason, i forgot to take the PrefMapMode of the graphic
105 : // into account. Since EmptyPresObj's are only used in Draw/Impress, it is
106 : // safe to assume 100th mm as target.
107 0 : Size aPrefSize(GetGrafObject().GetGrafPrefSize());
108 :
109 0 : if(MAP_PIXEL == GetGrafObject().GetGrafPrefMapMode().GetMapUnit())
110 : {
111 0 : aPrefSize = Application::GetDefaultDevice()->PixelToLogic(aPrefSize, MAP_100TH_MM);
112 : }
113 : else
114 : {
115 0 : aPrefSize = Application::GetDefaultDevice()->LogicToLogic(aPrefSize, GetGrafObject().GetGrafPrefMapMode(), MAP_100TH_MM);
116 : }
117 :
118 : // decompose object matrix to get single values
119 0 : basegfx::B2DVector aScale, aTranslate;
120 : double fRotate, fShearX;
121 0 : rObjectMatrix.decompose(aScale, aTranslate, fRotate, fShearX);
122 :
123 0 : const double fOffsetX((aScale.getX() - aPrefSize.getWidth()) / 2.0);
124 0 : const double fOffsetY((aScale.getY() - aPrefSize.getHeight()) / 2.0);
125 :
126 0 : if(basegfx::fTools::moreOrEqual(fOffsetX, 0.0) && basegfx::fTools::moreOrEqual(fOffsetY, 0.0))
127 : {
128 : // create the EmptyPresObj fallback visualisation. The fallback graphic
129 : // is already provided in rGraphicObject in this case, use it
130 0 : aSmallerMatrix = basegfx::tools::createScaleTranslateB2DHomMatrix(aPrefSize.getWidth(), aPrefSize.getHeight(), fOffsetX, fOffsetY);
131 : aSmallerMatrix = basegfx::tools::createShearXRotateTranslateB2DHomMatrix(fShearX, fRotate, aTranslate)
132 0 : * aSmallerMatrix;
133 :
134 0 : const GraphicObject& rGraphicObject = GetGrafObject().GetGraphicObject(false);
135 0 : const GraphicAttr aLocalGrafInfo;
136 : const drawinglayer::primitive2d::Primitive2DReference xReferenceB(new drawinglayer::primitive2d::SdrGrafPrimitive2D(
137 : aSmallerMatrix,
138 : drawinglayer::attribute::SdrLineFillShadowTextAttribute(),
139 : rGraphicObject,
140 0 : aLocalGrafInfo));
141 :
142 0 : drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(xRetval, xReferenceB);
143 : }
144 :
145 0 : return xRetval;
146 : }
147 :
148 0 : drawinglayer::primitive2d::Primitive2DSequence ViewContactOfGraphic::createVIP2DSForDraft(
149 : const basegfx::B2DHomMatrix& rObjectMatrix,
150 : const drawinglayer::attribute::SdrLineFillShadowTextAttribute& rAttribute) const
151 : {
152 0 : drawinglayer::primitive2d::Primitive2DSequence xRetval;
153 0 : GraphicObject aEmptyGraphicObject;
154 0 : GraphicAttr aEmptyGraphicAttr;
155 :
156 : // SdrGrafPrimitive2D without content in original size which carries all eventual attributes and texts
157 : const drawinglayer::primitive2d::Primitive2DReference xReferenceA(new drawinglayer::primitive2d::SdrGrafPrimitive2D(
158 : rObjectMatrix,
159 : rAttribute,
160 : aEmptyGraphicObject,
161 0 : aEmptyGraphicAttr));
162 0 : xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReferenceA, 1);
163 :
164 0 : if(rAttribute.getLine().isDefault())
165 : {
166 : // create a surrounding frame when no linestyle given
167 0 : const Color aColor(Application::GetSettings().GetStyleSettings().GetShadowColor());
168 0 : const basegfx::BColor aBColor(aColor.getBColor());
169 0 : basegfx::B2DPolygon aOutline(basegfx::tools::createUnitPolygon());
170 0 : aOutline.transform(rObjectMatrix);
171 :
172 : drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(xRetval,
173 : drawinglayer::primitive2d::Primitive2DReference(
174 : new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(
175 : aOutline,
176 0 : aBColor)));
177 : }
178 :
179 : // decompose object matrix to get single values
180 0 : basegfx::B2DVector aScale, aTranslate;
181 : double fRotate, fShearX;
182 0 : rObjectMatrix.decompose(aScale, aTranslate, fRotate, fShearX);
183 :
184 : // define a distance value, used for distance from bitmap to borders and from bitmap
185 : // to text, too (2 mm)
186 0 : const double fDistance(200.0);
187 :
188 : // consume borders from values
189 0 : aScale.setX(std::max(0.0, aScale.getX() - (2.0 * fDistance)));
190 0 : aScale.setY(std::max(0.0, aScale.getY() - (2.0 * fDistance)));
191 0 : aTranslate.setX(aTranslate.getX() + fDistance);
192 0 : aTranslate.setY(aTranslate.getY() + fDistance);
193 :
194 : // draw a draft bitmap
195 0 : const Bitmap aDraftBitmap(ResId(BMAP_GrafikEi, *ImpGetResMgr()));
196 :
197 0 : if(!aDraftBitmap.IsEmpty())
198 : {
199 0 : Size aPrefSize(aDraftBitmap.GetPrefSize());
200 :
201 0 : if(MAP_PIXEL == aDraftBitmap.GetPrefMapMode().GetMapUnit())
202 : {
203 0 : aPrefSize = Application::GetDefaultDevice()->PixelToLogic(aDraftBitmap.GetSizePixel(), MAP_100TH_MM);
204 : }
205 : else
206 : {
207 0 : aPrefSize = Application::GetDefaultDevice()->LogicToLogic(aPrefSize, aDraftBitmap.GetPrefMapMode(), MAP_100TH_MM);
208 : }
209 :
210 0 : const double fBitmapScaling(2.0);
211 0 : const double fWidth(aPrefSize.getWidth() * fBitmapScaling);
212 0 : const double fHeight(aPrefSize.getHeight() * fBitmapScaling);
213 :
214 0 : if(basegfx::fTools::more(fWidth, 1.0)
215 0 : && basegfx::fTools::more(fHeight, 1.0)
216 0 : && basegfx::fTools::lessOrEqual(fWidth, aScale.getX())
217 0 : && basegfx::fTools::lessOrEqual(fHeight, aScale.getY()))
218 : {
219 : const basegfx::B2DHomMatrix aBitmapMatrix(basegfx::tools::createScaleShearXRotateTranslateB2DHomMatrix(
220 0 : fWidth, fHeight, fShearX, fRotate, aTranslate.getX(), aTranslate.getY()));
221 :
222 : drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(xRetval,
223 : drawinglayer::primitive2d::Primitive2DReference(
224 : new drawinglayer::primitive2d::BitmapPrimitive2D(
225 : BitmapEx(aDraftBitmap),
226 0 : aBitmapMatrix)));
227 :
228 : // consume bitmap size in X
229 0 : aScale.setX(std::max(0.0, aScale.getX() - (fWidth + fDistance)));
230 0 : aTranslate.setX(aTranslate.getX() + fWidth + fDistance);
231 : }
232 : }
233 :
234 : // Build the text for the draft object
235 0 : OUString aDraftText = GetGrafObject().GetFileName();
236 :
237 0 : if (aDraftText.isEmpty())
238 : {
239 0 : aDraftText = GetGrafObject().GetName();
240 0 : aDraftText += " ...";
241 : }
242 :
243 0 : if (!aDraftText.isEmpty() && GetGrafObject().GetModel())
244 : {
245 : // #i103255# Goal is to produce TextPrimitives which hold the given text as
246 : // BlockText in the available space. It would be very tricky to do
247 : // an own word wrap/line layout here.
248 : // Using SdrBlockTextPrimitive2D OTOH is critical since it internally
249 : // uses the SdrObject it references. To solve this, create a temp
250 : // SdrObject with Attributes and Text, generate a SdrBlockTextPrimitive2D
251 : // directly and immediately decompose it. After that, it is no longer
252 : // needed and can be deleted.
253 :
254 : // create temp RectObj as TextObj and set needed attributes
255 0 : SdrRectObj aRectObj(OBJ_TEXT);
256 0 : aRectObj.SetModel(GetGrafObject().GetModel());
257 0 : aRectObj.NbcSetText(aDraftText);
258 0 : aRectObj.SetMergedItem(SvxColorItem(Color(COL_LIGHTRED), EE_CHAR_COLOR));
259 :
260 : // get SdrText and OPO
261 0 : SdrText* pSdrText = aRectObj.getText(0);
262 0 : OutlinerParaObject* pOPO = aRectObj.GetOutlinerParaObject();
263 :
264 0 : if(pSdrText && pOPO)
265 : {
266 : // directly use the remaining space as TextRangeTransform
267 : const basegfx::B2DHomMatrix aTextRangeTransform(basegfx::tools::createScaleShearXRotateTranslateB2DHomMatrix(
268 0 : aScale, fShearX, fRotate, aTranslate));
269 :
270 : // directly create temp SdrBlockTextPrimitive2D
271 : drawinglayer::primitive2d::SdrBlockTextPrimitive2D aBlockTextPrimitive(
272 : pSdrText,
273 : *pOPO,
274 : aTextRangeTransform,
275 : SDRTEXTHORZADJUST_LEFT,
276 : SDRTEXTVERTADJUST_TOP,
277 : false,
278 : false,
279 : false,
280 : false,
281 0 : false);
282 :
283 : // decompose immediately with neutral ViewInformation. This will
284 : // layout the text to more simple TextPrimitives from drawinglayer
285 0 : const drawinglayer::geometry::ViewInformation2D aViewInformation2D;
286 :
287 : drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(
288 : xRetval,
289 0 : aBlockTextPrimitive.get2DDecomposition(aViewInformation2D));
290 0 : }
291 : }
292 :
293 0 : return xRetval;
294 : }
295 :
296 0 : drawinglayer::primitive2d::Primitive2DSequence ViewContactOfGraphic::createViewIndependentPrimitive2DSequence() const
297 : {
298 0 : drawinglayer::primitive2d::Primitive2DSequence xRetval;
299 0 : const SfxItemSet& rItemSet = GetGrafObject().GetMergedItemSet();
300 :
301 : // create and fill GraphicAttr
302 0 : GraphicAttr aLocalGrafInfo;
303 0 : const sal_uInt16 nTrans(((SdrGrafTransparenceItem&)rItemSet.Get(SDRATTR_GRAFTRANSPARENCE)).GetValue());
304 0 : const SdrGrafCropItem& rCrop((const SdrGrafCropItem&)rItemSet.Get(SDRATTR_GRAFCROP));
305 0 : aLocalGrafInfo.SetLuminance(((SdrGrafLuminanceItem&)rItemSet.Get(SDRATTR_GRAFLUMINANCE)).GetValue());
306 0 : aLocalGrafInfo.SetContrast(((SdrGrafContrastItem&)rItemSet.Get(SDRATTR_GRAFCONTRAST)).GetValue());
307 0 : aLocalGrafInfo.SetChannelR(((SdrGrafRedItem&)rItemSet.Get(SDRATTR_GRAFRED)).GetValue());
308 0 : aLocalGrafInfo.SetChannelG(((SdrGrafGreenItem&)rItemSet.Get(SDRATTR_GRAFGREEN)).GetValue());
309 0 : aLocalGrafInfo.SetChannelB(((SdrGrafBlueItem&)rItemSet.Get(SDRATTR_GRAFBLUE)).GetValue());
310 0 : aLocalGrafInfo.SetGamma(((SdrGrafGamma100Item&)rItemSet.Get(SDRATTR_GRAFGAMMA)).GetValue() * 0.01);
311 0 : aLocalGrafInfo.SetTransparency((sal_uInt8)::basegfx::fround(std::min(nTrans, (sal_uInt16)100) * 2.55));
312 0 : aLocalGrafInfo.SetInvert(((SdrGrafInvertItem&)rItemSet.Get(SDRATTR_GRAFINVERT)).GetValue());
313 0 : aLocalGrafInfo.SetDrawMode(((SdrGrafModeItem&)rItemSet.Get(SDRATTR_GRAFMODE)).GetValue());
314 0 : aLocalGrafInfo.SetCrop(rCrop.GetLeft(), rCrop.GetTop(), rCrop.GetRight(), rCrop.GetBottom());
315 :
316 : // we have content if graphic is not completely transparent
317 0 : const bool bHasContent(255L != aLocalGrafInfo.GetTransparency());
318 : drawinglayer::attribute::SdrLineFillShadowTextAttribute aAttribute(
319 : drawinglayer::primitive2d::createNewSdrLineFillShadowTextAttribute(
320 : rItemSet,
321 0 : GetGrafObject().getText(0),
322 0 : bHasContent));
323 :
324 : // take unrotated snap rect for position and size. Directly use model data, not getBoundRect() or getSnapRect()
325 : // which will use the primitive data we just create in the near future
326 0 : Rectangle rRectangle = GetGrafObject().GetGeoRect();
327 : // Hack for calc, transform position of object according
328 : // to current zoom so as objects relative position to grid
329 : // appears stable
330 0 : rRectangle += GetGrafObject().GetGridOffset();
331 : const ::basegfx::B2DRange aObjectRange(
332 0 : rRectangle.Left(), rRectangle.Top(),
333 0 : rRectangle.Right(), rRectangle.Bottom());
334 :
335 : // look for mirroring
336 0 : const GeoStat& rGeoStat(GetGrafObject().GetGeoStat());
337 0 : const sal_Int32 nDrehWink(rGeoStat.nDrehWink);
338 0 : const bool bRota180(18000 == nDrehWink);
339 0 : const bool bMirrored(GetGrafObject().IsMirrored());
340 0 : const sal_uInt16 nMirrorCase(bRota180 ? (bMirrored ? 3 : 4) : (bMirrored ? 2 : 1));
341 0 : bool bHMirr((2 == nMirrorCase ) || (4 == nMirrorCase));
342 0 : bool bVMirr((3 == nMirrorCase ) || (4 == nMirrorCase));
343 :
344 : // set mirror flags at LocalGrafInfo. Take into account that the geometry in
345 : // aObjectRange is already changed and rotated when bRota180 is used. To rebuild
346 : // that old behaviour (as long as part of the model data), correct the H/V flags
347 : // accordingly. The created bitmapPrimitive WILL use the rotation, too.
348 0 : if(bRota180)
349 : {
350 : // if bRota180 which is used for vertical mirroring, the graphic will already be rotated
351 : // by 180 degrees. To correct, switch off VMirror and invert HMirroring.
352 0 : bHMirr = !bHMirr;
353 0 : bVMirr = false;
354 : }
355 :
356 0 : if(bHMirr || bVMirr)
357 : {
358 0 : aLocalGrafInfo.SetMirrorFlags((bHMirr ? BMP_MIRROR_HORZ : 0)|(bVMirr ? BMP_MIRROR_VERT : 0));
359 : }
360 :
361 : // fill object matrix
362 0 : const double fShearX(rGeoStat.nShearWink ? tan((36000 - rGeoStat.nShearWink) * F_PI18000) : 0.0);
363 0 : const double fRotate(nDrehWink ? (36000 - nDrehWink) * F_PI18000 : 0.0);
364 : const basegfx::B2DHomMatrix aObjectMatrix(basegfx::tools::createScaleShearXRotateTranslateB2DHomMatrix(
365 : aObjectRange.getWidth(), aObjectRange.getHeight(),
366 : fShearX, fRotate,
367 0 : aObjectRange.getMinX(), aObjectRange.getMinY()));
368 :
369 : // get the current, unchenged graphic obect from SdrGrafObj
370 0 : const GraphicObject& rGraphicObject = GetGrafObject().GetGraphicObject(false);
371 :
372 0 : if(visualisationUsesPresObj())
373 : {
374 : // it's an EmptyPresObj, create the SdrGrafPrimitive2D without content and another scaled one
375 : // with the content which is the placeholder graphic
376 0 : xRetval = createVIP2DSForPresObj(aObjectMatrix, aAttribute);
377 : }
378 : #ifndef IOS // Enforce swap-in for tiled rendering for now, while we have no delayed updating mechanism
379 0 : else if(visualisationUsesDraft())
380 : {
381 : // #i102380# The graphic is swapped out. To not force a swap-in here, there is a mechanism
382 : // which shows a swapped-out-visualisation (which gets created here now) and an asynchronious
383 : // visual update mechanism for swapped-out grapgics when they were loaded (see AsynchGraphicLoadingEvent
384 : // and ViewObjectContactOfGraphic implementation). Not forcing the swap-in here allows faster
385 : // (non-blocking) processing here and thus in the effect e.g. fast scrolling through pages
386 0 : xRetval = createVIP2DSForDraft(aObjectMatrix, aAttribute);
387 : }
388 : #endif
389 : else
390 : {
391 : // create primitive. Info: Calling the copy-constructor of GraphicObject in this
392 : // SdrGrafPrimitive2D constructor will force a full swap-in of the graphic
393 : const drawinglayer::primitive2d::Primitive2DReference xReference(
394 : new drawinglayer::primitive2d::SdrGrafPrimitive2D(
395 : aObjectMatrix,
396 : aAttribute,
397 : rGraphicObject,
398 0 : aLocalGrafInfo));
399 :
400 0 : xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
401 : }
402 :
403 : // always append an invisible outline for the cases where no visible content exists
404 : drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(xRetval,
405 : drawinglayer::primitive2d::createHiddenGeometryPrimitives2D(
406 0 : false, aObjectMatrix));
407 :
408 0 : return xRetval;
409 : }
410 :
411 0 : bool ViewContactOfGraphic::visualisationUsesPresObj() const
412 : {
413 0 : return GetGrafObject().IsEmptyPresObj();
414 : }
415 :
416 0 : bool ViewContactOfGraphic::visualisationUsesDraft() const
417 : {
418 : // no draft when already PresObj
419 0 : if(visualisationUsesPresObj())
420 0 : return false;
421 :
422 : // draft when swapped out
423 0 : const GraphicObject& rGraphicObject = GetGrafObject().GetGraphicObject(false);
424 : static bool bAllowReplacements(true);
425 :
426 0 : if(rGraphicObject.IsSwappedOut() && bAllowReplacements)
427 0 : return true;
428 :
429 : // draft when no graphic
430 0 : if(GRAPHIC_NONE == rGraphicObject.GetType() || GRAPHIC_DEFAULT == rGraphicObject.GetType())
431 0 : return true;
432 :
433 0 : return false;
434 : }
435 :
436 : } // end of namespace contact
437 : } // end of namespace sdr
438 :
439 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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