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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 | |
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17 | #include <AIS_InteractiveContext.hxx> |
18 | #include <Font_FTFont.hxx> |
19 | #include <Font_FontMgr.hxx> |
20 | #include <Font_Rect.hxx> |
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21 | #include <Graphic3d_AspectText3d.hxx> |
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22 | #include <Graphic3d_RenderingParams.hxx> |
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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 | |
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31 | #include <V3d_Viewer.hxx> |
32 | |
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33 | |
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34 | IMPLEMENT_STANDARD_RTTIEXT(AIS_TextLabel,AIS_InteractiveObject) |
35 | |
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36 | //======================================================================= |
37 | //function : AIS_TextLabel |
38 | //purpose : |
39 | //======================================================================= |
40 | AIS_TextLabel::AIS_TextLabel() |
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41 | : myText ("?"), |
42 | myFont ("Courier"), |
43 | myFontAspect (Font_FA_Regular), |
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44 | myHasOrientation3D (Standard_False), |
45 | myHasFlipping (Standard_False) |
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46 | { |
47 | myDrawer->SetTextAspect (new Prs3d_TextAspect()); |
48 | |
49 | SetDisplayMode (0); |
50 | } |
51 | |
52 | //======================================================================= |
53 | //function : SetColor |
54 | //purpose : |
55 | //======================================================================= |
56 | void AIS_TextLabel::SetColor (const Quantity_Color& theColor) |
57 | { |
58 | hasOwnColor = Standard_True; |
59 | myOwnColor = theColor; |
60 | myDrawer->TextAspect()->SetColor (theColor); |
61 | } |
62 | |
63 | //======================================================================= |
64 | //function : SetColor |
65 | //purpose : |
66 | //======================================================================= |
67 | void AIS_TextLabel::SetColor (const Quantity_NameOfColor theColor) |
68 | { |
69 | SetColor (Quantity_Color (theColor)); |
70 | } |
71 | |
72 | //======================================================================= |
73 | //function : SetText |
74 | //purpose : |
75 | //======================================================================= |
76 | void AIS_TextLabel::SetText (const TCollection_ExtendedString& theText) |
77 | { |
78 | myText = theText; |
79 | } |
80 | |
81 | //======================================================================= |
82 | //function : SetPosition |
83 | //purpose : |
84 | //======================================================================= |
85 | void AIS_TextLabel::SetPosition (const gp_Pnt& thePosition) |
86 | { |
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87 | myOrientation3D.SetLocation (thePosition); |
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88 | } |
89 | |
90 | //======================================================================= |
91 | //function : SetHJustification |
92 | //purpose : |
93 | //======================================================================= |
94 | void AIS_TextLabel::SetHJustification (const Graphic3d_HorizontalTextAlignment theHJust) |
95 | { |
96 | myDrawer->TextAspect()->SetHorizontalJustification (theHJust); |
97 | } |
98 | |
99 | //======================================================================= |
100 | //function : SetVJustification |
101 | //purpose : Setup vertical justification. |
102 | //======================================================================= |
103 | void AIS_TextLabel::SetVJustification (const Graphic3d_VerticalTextAlignment theVJust) |
104 | { |
105 | myDrawer->TextAspect()->SetVerticalJustification (theVJust); |
106 | } |
107 | |
108 | //======================================================================= |
109 | //function : SetAngle |
110 | //purpose : |
111 | //======================================================================= |
112 | void AIS_TextLabel::SetAngle (const Standard_Real theAngle) |
113 | { |
114 | myDrawer->TextAspect()->Aspect()->SetTextAngle (theAngle * 180.0 / M_PI); |
115 | } |
116 | |
117 | //======================================================================= |
118 | //function : SetZoom |
119 | //purpose : |
120 | //======================================================================= |
121 | void AIS_TextLabel::SetZoomable (const Standard_Boolean theIsZoomable) |
122 | { |
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123 | myDrawer->TextAspect()->Aspect()->SetTextZoomable (theIsZoomable == Standard_True); |
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124 | } |
125 | |
126 | //======================================================================= |
127 | //function : SetHeight |
128 | //purpose : |
129 | //======================================================================= |
130 | void AIS_TextLabel::SetHeight (const Standard_Real theHeight) |
131 | { |
132 | myDrawer->TextAspect()->SetHeight (theHeight); |
133 | } |
134 | |
135 | //======================================================================= |
136 | //function : SetAngle |
137 | //purpose : |
138 | //======================================================================= |
139 | void AIS_TextLabel::SetFontAspect (const Font_FontAspect theFontAspect) |
140 | { |
141 | myDrawer->TextAspect()->Aspect()->SetTextFontAspect (theFontAspect); |
142 | } |
143 | |
144 | //======================================================================= |
145 | //function : SetFont |
146 | //purpose : |
147 | //======================================================================= |
148 | void AIS_TextLabel::SetFont (Standard_CString theFont) |
149 | { |
150 | myFont = theFont; |
151 | myDrawer->TextAspect()->SetFont (myFont.ToCString()); |
152 | } |
153 | |
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154 | //======================================================================= |
155 | //function : SetOrientation3D |
156 | //purpose : |
157 | //======================================================================= |
158 | void AIS_TextLabel::SetOrientation3D (const gp_Ax2& theOrientation) |
159 | { |
160 | myHasOrientation3D = Standard_True; |
161 | myOrientation3D = theOrientation; |
162 | } |
163 | |
164 | //======================================================================= |
165 | //function : UnsetOrientation3D |
166 | //purpose : |
167 | //======================================================================= |
168 | void AIS_TextLabel::UnsetOrientation3D () |
169 | { |
170 | myHasOrientation3D = Standard_False; |
171 | } |
172 | |
173 | //======================================================================= |
174 | //function : Position |
175 | //purpose : |
176 | //======================================================================= |
177 | const gp_Pnt& AIS_TextLabel::Position() const |
178 | { |
179 | return myOrientation3D.Location(); |
180 | } |
181 | |
182 | //======================================================================= |
183 | //function : Orientation3D |
184 | //purpose : |
185 | //======================================================================= |
186 | const gp_Ax2& AIS_TextLabel::Orientation3D() const |
187 | { |
188 | return myOrientation3D; |
189 | } |
190 | |
191 | //======================================================================= |
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192 | //function : HasOrientation3D |
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193 | //purpose : |
194 | //======================================================================= |
195 | Standard_Boolean AIS_TextLabel::HasOrientation3D() const |
196 | { |
197 | return myHasOrientation3D; |
198 | } |
199 | |
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200 | //======================================================================= |
201 | //function : SetFlipping |
202 | //purpose : |
203 | //======================================================================= |
204 | void AIS_TextLabel::SetFlipping (const Standard_Boolean theIsFlipping) |
205 | { |
206 | myHasFlipping = theIsFlipping; |
207 | } |
208 | |
209 | //======================================================================= |
210 | //function : HasFlipping |
211 | //purpose : |
212 | //======================================================================= |
213 | Standard_Boolean AIS_TextLabel::HasFlipping() const |
214 | { |
215 | return myHasFlipping; |
216 | } |
217 | |
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218 | //======================================================================= |
219 | //function : SetDisplayType |
220 | //purpose : |
221 | //======================================================================= |
222 | void AIS_TextLabel::SetDisplayType (const Aspect_TypeOfDisplayText theDisplayType) |
223 | { |
224 | myDrawer->TextAspect()->Aspect()->SetDisplayType(theDisplayType); |
225 | } |
226 | |
227 | //======================================================================= |
228 | //function : SetColorSubTitle |
229 | //purpose : |
230 | //======================================================================= |
231 | void AIS_TextLabel::SetColorSubTitle (const Quantity_Color& theColor) |
232 | { |
233 | myDrawer->TextAspect()->Aspect()->SetColorSubTitle(theColor); |
234 | } |
235 | |
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236 | #include <Graphic3d_ArrayOfPoints.hxx> |
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237 | //======================================================================= |
238 | //function : Compute |
239 | //purpose : |
240 | //======================================================================= |
241 | void AIS_TextLabel::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePrsMgr*/, |
242 | const Handle(Prs3d_Presentation)& thePrs, |
243 | const Standard_Integer theMode) |
244 | { |
245 | switch (theMode) |
246 | { |
247 | case 0: |
248 | { |
249 | Handle(Prs3d_TextAspect) anAsp = myDrawer->TextAspect(); |
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250 | gp_Pnt aPosition = Position(); |
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251 | |
252 | if (myHasOrientation3D) |
253 | { |
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254 | Standard_Boolean isInit = Standard_False; |
255 | if (myHasFlipping) |
256 | { |
257 | // Get width and height of text |
258 | Font_FTFont aFont; |
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259 | unsigned int aResolution = GetContext()->CurrentViewer()->DefaultRenderingParams().Resolution; |
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260 | if (aFont.Init (anAsp->Aspect()->Font().ToCString(), |
261 | anAsp->Aspect()->GetTextFontAspect(), (unsigned int)anAsp->Height(), aResolution)) |
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262 | { |
263 | isInit = Standard_True; |
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264 | const NCollection_String aText (myText.ToExtString()); |
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265 | Font_Rect aBndBox = aFont.BoundingBox (aText, anAsp->HorizontalJustification(), anAsp->VerticalJustification()); |
266 | Standard_Real aWidth = Abs (aBndBox.Width()); |
267 | Standard_Real aHeight = Abs (aBndBox.Height()); |
268 | gp_Pnt aCenterOfLabel = aPosition; |
269 | |
270 | if (anAsp->VerticalJustification() == Graphic3d_VTA_BOTTOM) |
271 | { |
272 | aCenterOfLabel.ChangeCoord() += myOrientation3D.YDirection().XYZ() * aHeight * 0.5; |
273 | } |
274 | else if (anAsp->VerticalJustification() == Graphic3d_VTA_TOP) |
275 | { |
276 | aCenterOfLabel.ChangeCoord() -= myOrientation3D.YDirection().XYZ() * aHeight * 0.5; |
277 | } |
278 | if (anAsp->HorizontalJustification() == Graphic3d_HTA_LEFT) |
279 | { |
280 | aCenterOfLabel.ChangeCoord() += myOrientation3D.XDirection().XYZ() * aWidth * 0.5; |
281 | } |
282 | else if (anAsp->HorizontalJustification() == Graphic3d_HTA_RIGHT) |
283 | { |
284 | aCenterOfLabel.ChangeCoord() -= myOrientation3D.XDirection().XYZ() * aWidth * 0.5; |
285 | } |
286 | |
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287 | if (!anAsp->Aspect()->GetTextZoomable() |
288 | && (TransformPersistence().IsNull() |
289 | || TransformPersistence()->Mode() == Graphic3d_TMF_ZoomPers)) |
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290 | { |
291 | anAsp->Aspect()->SetTextZoomable (Standard_True); |
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292 | SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_ZoomPers, aPosition)); |
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293 | aPosition = gp::Origin(); |
294 | } |
295 | |
296 | gp_Ax2 aFlippingAxes (aCenterOfLabel, myOrientation3D.Direction(), myOrientation3D.XDirection()); |
297 | Prs3d_Root::CurrentGroup (thePrs)->SetFlippingOptions (Standard_True, aFlippingAxes); |
298 | } |
299 | } |
300 | |
301 | gp_Ax2 anOrientation = myOrientation3D; |
302 | anOrientation.SetLocation (aPosition); |
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303 | Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, myOrientation3D, !myHasFlipping); |
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304 | if (myHasFlipping && isInit) |
305 | { |
306 | Prs3d_Root::CurrentGroup (thePrs)->SetFlippingOptions (Standard_False, gp_Ax2()); |
307 | } |
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308 | } |
309 | else |
310 | { |
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311 | Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, Position()); |
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312 | } |
313 | |
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314 | break; |
315 | } |
316 | } |
317 | } |
318 | |
319 | //======================================================================= |
320 | //function : ComputeSelection |
321 | //purpose : |
322 | //======================================================================= |
323 | void AIS_TextLabel::ComputeSelection (const Handle(SelectMgr_Selection)& theSelection, |
324 | const Standard_Integer theMode) |
325 | { |
326 | switch (theMode) |
327 | { |
328 | case 0: |
329 | { |
330 | Handle(SelectMgr_EntityOwner) anEntityOwner = new SelectMgr_EntityOwner (this, 10); |
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331 | Handle(Select3D_SensitivePoint) aSensitivePoint = new Select3D_SensitivePoint (anEntityOwner, Position()); |
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332 | theSelection->Add (aSensitivePoint); |
333 | break; |
334 | } |
335 | } |
336 | } |