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0029915: Porting to VC 2017 : Regressions in Modeling Algorithms on VC 2017
[occt.git] / src / AIS / AIS_TextLabel.cxx
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29e2c6d2 1// Created on: 2014-11-10
2// Copyright (c) 2014 OPEN CASCADE SAS
3//
4// This file is part of Open CASCADE Technology software library.
5//
6// This library is free software; you can redistribute it and/or modify it under
7// the terms of the GNU Lesser General Public License version 2.1 as published
8// by the Free Software Foundation, with special exception defined in the file
9// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10// distribution for complete text of the license and disclaimer of any warranty.
11//
12// Alternatively, this file may be used under the terms of Open CASCADE
13// commercial license or contractual agreement.
14
15#include <AIS_TextLabel.hxx>
16
3f1eb0ab 17#include <AIS_InteractiveContext.hxx>
18#include <Font_FTFont.hxx>
19#include <Font_FontMgr.hxx>
20#include <Font_Rect.hxx>
29e2c6d2 21#include <Graphic3d_AspectText3d.hxx>
3f1eb0ab 22#include <Graphic3d_RenderingParams.hxx>
29e2c6d2 23
24#include <Prs3d_Text.hxx>
25#include <Prs3d_TextAspect.hxx>
26
27#include <Select3D_SensitivePoint.hxx>
28#include <SelectMgr_Selection.hxx>
29#include <SelectMgr_EntityOwner.hxx>
30
3f1eb0ab 31#include <V3d_Viewer.hxx>
32
92efcf78 33IMPLEMENT_STANDARD_RTTIEXT(AIS_TextLabel,AIS_InteractiveObject)
34
29e2c6d2 35//=======================================================================
36//function : AIS_TextLabel
37//purpose :
38//=======================================================================
39AIS_TextLabel::AIS_TextLabel()
ce01ec26 40: myText ("?"),
41 myFont ("Courier"),
42 myFontAspect (Font_FA_Regular),
3f1eb0ab 43 myHasOrientation3D (Standard_False),
44 myHasFlipping (Standard_False)
29e2c6d2 45{
46 myDrawer->SetTextAspect (new Prs3d_TextAspect());
47
48 SetDisplayMode (0);
49}
50
51//=======================================================================
52//function : SetColor
53//purpose :
54//=======================================================================
55void AIS_TextLabel::SetColor (const Quantity_Color& theColor)
56{
57 hasOwnColor = Standard_True;
f838dac4 58 myDrawer->SetColor (theColor);
29e2c6d2 59 myDrawer->TextAspect()->SetColor (theColor);
60}
61
62//=======================================================================
85719f0e 63//function : SetTransparency
29e2c6d2 64//purpose :
65//=======================================================================
85719f0e 66void AIS_TextLabel::SetTransparency (const Standard_Real theValue)
29e2c6d2 67{
85719f0e 68 Quantity_ColorRGBA aTextColor (myDrawer->TextAspect()->Aspect()->Color());
69 aTextColor.SetAlpha (Standard_ShortReal(1.0 - theValue));
70
71 Quantity_ColorRGBA aSubColor (myDrawer->TextAspect()->Aspect()->ColorSubTitle());
72 aSubColor.SetAlpha (aTextColor.Alpha());
73
74 myDrawer->TextAspect()->Aspect()->SetColor (aTextColor);
75 myDrawer->TextAspect()->Aspect()->SetColorSubTitle (aSubColor);
76 myDrawer->SetTransparency (Standard_ShortReal(theValue));
29e2c6d2 77}
78
79//=======================================================================
80//function : SetText
81//purpose :
82//=======================================================================
83void AIS_TextLabel::SetText (const TCollection_ExtendedString& theText)
84{
85 myText = theText;
86}
87
88//=======================================================================
89//function : SetPosition
90//purpose :
91//=======================================================================
92void AIS_TextLabel::SetPosition (const gp_Pnt& thePosition)
93{
ce01ec26 94 myOrientation3D.SetLocation (thePosition);
29e2c6d2 95}
96
97//=======================================================================
98//function : SetHJustification
99//purpose :
100//=======================================================================
101void AIS_TextLabel::SetHJustification (const Graphic3d_HorizontalTextAlignment theHJust)
102{
103 myDrawer->TextAspect()->SetHorizontalJustification (theHJust);
104}
105
106//=======================================================================
107//function : SetVJustification
108//purpose : Setup vertical justification.
109//=======================================================================
110void AIS_TextLabel::SetVJustification (const Graphic3d_VerticalTextAlignment theVJust)
111{
112 myDrawer->TextAspect()->SetVerticalJustification (theVJust);
113}
114
115//=======================================================================
116//function : SetAngle
117//purpose :
118//=======================================================================
119void AIS_TextLabel::SetAngle (const Standard_Real theAngle)
120{
121 myDrawer->TextAspect()->Aspect()->SetTextAngle (theAngle * 180.0 / M_PI);
122}
123
124//=======================================================================
125//function : SetZoom
126//purpose :
127//=======================================================================
128void AIS_TextLabel::SetZoomable (const Standard_Boolean theIsZoomable)
129{
b6472664 130 myDrawer->TextAspect()->Aspect()->SetTextZoomable (theIsZoomable == Standard_True);
29e2c6d2 131}
132
133//=======================================================================
134//function : SetHeight
135//purpose :
136//=======================================================================
137void AIS_TextLabel::SetHeight (const Standard_Real theHeight)
138{
139 myDrawer->TextAspect()->SetHeight (theHeight);
140}
141
142//=======================================================================
143//function : SetAngle
144//purpose :
145//=======================================================================
146void AIS_TextLabel::SetFontAspect (const Font_FontAspect theFontAspect)
147{
148 myDrawer->TextAspect()->Aspect()->SetTextFontAspect (theFontAspect);
149}
150
151//=======================================================================
152//function : SetFont
153//purpose :
154//=======================================================================
155void AIS_TextLabel::SetFont (Standard_CString theFont)
156{
157 myFont = theFont;
158 myDrawer->TextAspect()->SetFont (myFont.ToCString());
159}
160
ce01ec26 161//=======================================================================
162//function : SetOrientation3D
163//purpose :
164//=======================================================================
165void AIS_TextLabel::SetOrientation3D (const gp_Ax2& theOrientation)
166{
167 myHasOrientation3D = Standard_True;
168 myOrientation3D = theOrientation;
169}
170
171//=======================================================================
172//function : UnsetOrientation3D
173//purpose :
174//=======================================================================
175void AIS_TextLabel::UnsetOrientation3D ()
176{
177 myHasOrientation3D = Standard_False;
178}
179
180//=======================================================================
181//function : Position
182//purpose :
183//=======================================================================
184const gp_Pnt& AIS_TextLabel::Position() const
185{
186 return myOrientation3D.Location();
187}
188
189//=======================================================================
190//function : Orientation3D
191//purpose :
192//=======================================================================
193const gp_Ax2& AIS_TextLabel::Orientation3D() const
194{
195 return myOrientation3D;
196}
197
198//=======================================================================
3f1eb0ab 199//function : HasOrientation3D
ce01ec26 200//purpose :
201//=======================================================================
202Standard_Boolean AIS_TextLabel::HasOrientation3D() const
203{
204 return myHasOrientation3D;
205}
206
3f1eb0ab 207//=======================================================================
208//function : SetFlipping
209//purpose :
210//=======================================================================
211void AIS_TextLabel::SetFlipping (const Standard_Boolean theIsFlipping)
212{
213 myHasFlipping = theIsFlipping;
214}
215
216//=======================================================================
217//function : HasFlipping
218//purpose :
219//=======================================================================
220Standard_Boolean AIS_TextLabel::HasFlipping() const
221{
222 return myHasFlipping;
223}
224
61b0191c 225//=======================================================================
226//function : SetDisplayType
227//purpose :
228//=======================================================================
229void AIS_TextLabel::SetDisplayType (const Aspect_TypeOfDisplayText theDisplayType)
230{
231 myDrawer->TextAspect()->Aspect()->SetDisplayType(theDisplayType);
232}
233
234//=======================================================================
235//function : SetColorSubTitle
236//purpose :
237//=======================================================================
238void AIS_TextLabel::SetColorSubTitle (const Quantity_Color& theColor)
239{
240 myDrawer->TextAspect()->Aspect()->SetColorSubTitle(theColor);
241}
242
29e2c6d2 243//=======================================================================
244//function : Compute
245//purpose :
246//=======================================================================
247void AIS_TextLabel::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePrsMgr*/,
248 const Handle(Prs3d_Presentation)& thePrs,
249 const Standard_Integer theMode)
250{
251 switch (theMode)
252 {
253 case 0:
254 {
255 Handle(Prs3d_TextAspect) anAsp = myDrawer->TextAspect();
3f1eb0ab 256 gp_Pnt aPosition = Position();
ce01ec26 257
258 if (myHasOrientation3D)
259 {
3f1eb0ab 260 Standard_Boolean isInit = Standard_False;
261 if (myHasFlipping)
262 {
263 // Get width and height of text
264 Font_FTFont aFont;
3f1eb0ab 265 unsigned int aResolution = GetContext()->CurrentViewer()->DefaultRenderingParams().Resolution;
b6472664 266 if (aFont.Init (anAsp->Aspect()->Font().ToCString(),
267 anAsp->Aspect()->GetTextFontAspect(), (unsigned int)anAsp->Height(), aResolution))
3f1eb0ab 268 {
269 isInit = Standard_True;
fb0b0531 270 const NCollection_String aText (myText.ToExtString());
3f1eb0ab 271 Font_Rect aBndBox = aFont.BoundingBox (aText, anAsp->HorizontalJustification(), anAsp->VerticalJustification());
272 Standard_Real aWidth = Abs (aBndBox.Width());
273 Standard_Real aHeight = Abs (aBndBox.Height());
274 gp_Pnt aCenterOfLabel = aPosition;
275
276 if (anAsp->VerticalJustification() == Graphic3d_VTA_BOTTOM)
277 {
278 aCenterOfLabel.ChangeCoord() += myOrientation3D.YDirection().XYZ() * aHeight * 0.5;
279 }
280 else if (anAsp->VerticalJustification() == Graphic3d_VTA_TOP)
281 {
282 aCenterOfLabel.ChangeCoord() -= myOrientation3D.YDirection().XYZ() * aHeight * 0.5;
283 }
284 if (anAsp->HorizontalJustification() == Graphic3d_HTA_LEFT)
285 {
286 aCenterOfLabel.ChangeCoord() += myOrientation3D.XDirection().XYZ() * aWidth * 0.5;
287 }
288 else if (anAsp->HorizontalJustification() == Graphic3d_HTA_RIGHT)
289 {
290 aCenterOfLabel.ChangeCoord() -= myOrientation3D.XDirection().XYZ() * aWidth * 0.5;
291 }
292
778cd667 293 if (!anAsp->Aspect()->GetTextZoomable()
294 && (TransformPersistence().IsNull()
295 || TransformPersistence()->Mode() == Graphic3d_TMF_ZoomPers))
3f1eb0ab 296 {
297 anAsp->Aspect()->SetTextZoomable (Standard_True);
778cd667 298 SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_ZoomPers, aPosition));
3f1eb0ab 299 aPosition = gp::Origin();
300 }
301
302 gp_Ax2 aFlippingAxes (aCenterOfLabel, myOrientation3D.Direction(), myOrientation3D.XDirection());
303 Prs3d_Root::CurrentGroup (thePrs)->SetFlippingOptions (Standard_True, aFlippingAxes);
304 }
305 }
306
307 gp_Ax2 anOrientation = myOrientation3D;
308 anOrientation.SetLocation (aPosition);
4ad142d9 309 Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, myOrientation3D, !myHasFlipping);
3f1eb0ab 310 if (myHasFlipping && isInit)
311 {
312 Prs3d_Root::CurrentGroup (thePrs)->SetFlippingOptions (Standard_False, gp_Ax2());
313 }
ce01ec26 314 }
315 else
316 {
4ad142d9 317 Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, Position());
ce01ec26 318 }
319
29e2c6d2 320 break;
321 }
322 }
323}
324
325//=======================================================================
326//function : ComputeSelection
327//purpose :
328//=======================================================================
329void AIS_TextLabel::ComputeSelection (const Handle(SelectMgr_Selection)& theSelection,
330 const Standard_Integer theMode)
331{
332 switch (theMode)
333 {
334 case 0:
335 {
336 Handle(SelectMgr_EntityOwner) anEntityOwner = new SelectMgr_EntityOwner (this, 10);
ce01ec26 337 Handle(Select3D_SensitivePoint) aSensitivePoint = new Select3D_SensitivePoint (anEntityOwner, Position());
29e2c6d2 338 theSelection->Add (aSensitivePoint);
339 break;
340 }
341 }
342}
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