106 lines
4.3 KiB
C++
Executable File
106 lines
4.3 KiB
C++
Executable File
/****************************************************************************
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* MeshLab o o *
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* An extendible mesh processor o o *
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* _ O _ *
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* Copyright(C) 2005, 2009 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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#ifndef VCG_WRAP_QT_GLLABEL_H
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#define VCG_WRAP_QT_GLLABEL_H
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#include <QMessageBox>
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#include <wrap/qt/col_qt_convert.h>
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#include <wrap/qt/checkGLError.h>
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namespace vcg
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{
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class glLabel
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{
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public:
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static void render(QPainter *painter, const vcg::Point3f &p, const QString &text)
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{
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QFont qFont;
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qFont.setStyleStrategy(QFont::NoAntialias);
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qFont.setFamily("Helvetica");
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qFont.setPixelSize(12);
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vcg::Color4b color(vcg::Color4b::White);
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render(painter,p,text,qFont,color);
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}
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static void render(QPainter *painter, const vcg::Point3f &p, const QString &text, QFont qFont, vcg::Color4b color, float angle =0,bool rightAlign=false)
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{
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GLdouble model[16];
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GLdouble proj[16];
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GLint view[4];
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glGetDoublev(GL_MODELVIEW_MATRIX, model);
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glGetDoublev(GL_PROJECTION_MATRIX, proj);
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glGetIntegerv(GL_VIEWPORT, view);
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GLdouble winx,winy,winz;
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gluProject(p[0],p[1],p[2],model,proj,view,&winx,&winy,&winz);
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glPushAttrib(GL_ENABLE_BIT);
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glDisable(GL_DEPTH_TEST);
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glMatrixMode(GL_PROJECTION);
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glPushMatrix();
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glMatrixMode(GL_MODELVIEW);
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glPushMatrix();
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QFontMetrics qfm(qFont);
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QRect textBox = qfm.boundingRect(text);
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painter->endNativePainting();
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painter->save();
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painter->setRenderHint(QPainter::TextAntialiasing);
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painter->setPen(vcg::ColorConverter::ToQColor(color));
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painter->setFont(qFont);
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//qDebug("Printing at %f %f (%f %f %f) '%s'",winx,winy,p[0],p[1],p[2],qPrintable(text));
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painter->translate(QPointF(winx,view[3]-winy));
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painter->rotate(angle);
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//painter->drawText(QPointF(0,0),text);
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//painter->drawText(QRect(),Qt::AlignLeft+Qt::AlignVCenter,text);
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//painter->drawText(QRect(view[0],view[1],view[2],view[3]),Qt::AlignLeft+Qt::AlignVCenter,text);
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//QPoint base(0,textBox.height()/2);
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QPoint base(0,qfm.ascent()/2);
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if(rightAlign)
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base.setX(-textBox.width() -qfm.maxWidth());
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painter->drawText(base,text);
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//painter->drawText(QPointF(winx,view[3]-winy),text);
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painter->restore();
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painter->beginNativePainting();
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glMatrixMode(GL_PROJECTION);
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glPopMatrix();
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glMatrixMode(GL_MODELVIEW);
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glPopMatrix();
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glPopAttrib();
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checkGLError::qDebug("myRenderText");
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}
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static void render(QPainter *painter, const vcg::Point3d &p, const QString &text)
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{ render(painter,Point3f::Construct(p),text); }
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static void render(QPainter *painter, const vcg::Point3d &p, const QString &text, QFont qFont, vcg::Color4b color)
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{ render(painter,Point3f::Construct(p),text,qFont,color); }
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};
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} // end namespace
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#endif
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