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ac84fcf602
Add new class Font_BRepTextBuilder for generation of formatted BRep text. Delete method Font_BRepFont::RenderText(), which should be replaced by Font_BRepTextBuilder::Perform().
90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
// Created on: 2015-08-10
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// Created by: Ilya SEVRIKOV
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// Copyright (c) 2013-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Font_BRepTextBuilder.hxx>
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// =======================================================================
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// Function : Perfrom
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// Purpose :
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// =======================================================================
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TopoDS_Shape Font_BRepTextBuilder::Perform (Font_BRepFont& theFont,
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const Font_TextFormatter& theFormatter,
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const gp_Ax3& thePenLoc)
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{
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gp_Trsf aTrsf;
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gp_XYZ aPen;
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TopoDS_Shape aGlyphShape;
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TopoDS_Compound aResult;
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Standard_Mutex::Sentry aSentry (theFont.Mutex());
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myBuilder.MakeCompound (aResult);
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Standard_Integer aSymbolCounter = 0;
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Standard_Real aScaleUnits = theFont.Scale();
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for (NCollection_Utf8Iter anIter = theFormatter.String().Iterator(); *anIter != 0; ++anIter)
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{
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const Standard_Utf32Char aCharCurr = *anIter;
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if (aCharCurr == '\x0D' // CR (carriage return)
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|| aCharCurr == '\a' // BEL (alarm)
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|| aCharCurr == '\f' // FF (form feed) NP (new page)
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|| aCharCurr == '\b' // BS (backspace)
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|| aCharCurr == '\v' // VT (vertical tab)
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|| aCharCurr == ' '
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|| aCharCurr == '\t'
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|| aCharCurr == '\n')
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{
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continue; // skip unsupported carriage control codes
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}
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const NCollection_Vec2<Standard_ShortReal>& aCorner = theFormatter.TopLeft (aSymbolCounter);
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aPen.SetCoord (aCorner.x() * aScaleUnits, aCorner.y() * aScaleUnits, 0.0);
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aGlyphShape = theFont.RenderGlyph (aCharCurr);
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if (!aGlyphShape.IsNull())
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{
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aTrsf.SetTranslation (gp_Vec (aPen));
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aGlyphShape.Move (aTrsf);
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myBuilder.Add (aResult, aGlyphShape);
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}
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++aSymbolCounter;
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}
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aTrsf.SetTransformation (thePenLoc, gp_Ax3 (gp::XOY()));
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aResult.Move (aTrsf);
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return aResult;
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}
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// =======================================================================
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// Function : Perform
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// Purpose :
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// =======================================================================
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TopoDS_Shape Font_BRepTextBuilder::Perform (Font_BRepFont& theFont,
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const NCollection_String& theString,
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const gp_Ax3& thePenLoc,
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const Graphic3d_HorizontalTextAlignment theHAlign,
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const Graphic3d_VerticalTextAlignment theVAlign)
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{
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Font_TextFormatter aFormatter;
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aFormatter.Reset();
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aFormatter.SetupAlignment (theHAlign, theVAlign);
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aFormatter.Append (theString, *(reinterpret_cast<Font_FTFont*> (&theFont)));
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aFormatter.Format();
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return Perform (theFont, aFormatter, thePenLoc);
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}
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