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converted the redrawing system to the qt suggested approach that allow to blend stuff generated with qpainter and opengl. Now text is rendered through QPainter

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This commit is contained in:
Paolo Cignoni cignoni 2010-07-30 14:29:16 +00:00
parent d05b47e56b
commit 8664dfdc7c
2 changed files with 57 additions and 78 deletions
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133
src/meshlab/glarea.cpp
View File

@ -67,6 +67,7 @@ GLArea::GLArea(MultiViewer_Container *mvcont, RichParameterSet *current)
pointSize = 2.0f;
updateLayerSetVisibilities();
setAutoFillBackground(false);
connect(meshDoc, SIGNAL(currentMeshChanged(int)), this, SLOT(updateLayer()));
connect(meshDoc, SIGNAL(currentMeshChanged(int)), this, SLOT(updateDecoration(int)));
@ -247,8 +248,9 @@ void GLArea::drawLight()
}
void GLArea::paintGL()
{
void GLArea::paintEvent(QPaintEvent *event)
{
makeCurrent();
QTime time;
time.start();
initTexture();
@ -375,87 +377,64 @@ void GLArea::paintGL()
mvc->updateTrackballInViewers();
}
void GLArea::displayInfo()
{
// Enter in 2D screen Mode again
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(-1,1,-1,1,-1,1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glPushAttrib(GL_ENABLE_BIT);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glPushAttrib(GL_ALL_ATTRIB_BITS);
QPainter painter(this);
painter.setRenderHint(QPainter::TextAntialiasing);
painter.setPen(Qt::white);
qFont.setStyleStrategy(QFont::NoAntialias);
qFont.setFamily("Helvetica");
qFont.setPixelSize(12);
painter.setFont(qFont);
float barHeight = qFont.pixelSize()*5;
QFontMetrics metrics = QFontMetrics(font());
int border = qMax(4, metrics.leading());
qFont.setStyleStrategy(QFont::NoAntialias);
qFont.setFamily("Helvetica");
qFont.setPixelSize(12);
Color4b logAreaColorInactive = glas.logAreaColor;
logAreaColorInactive[0]/=2;
logAreaColorInactive[1]/=2;
logAreaColorInactive[2]/=2;
glBlendFunc(GL_ONE,GL_SRC_ALPHA);
glas.logAreaColor[3]=128;
if(mvc->currentId==id) glColor(glas.logAreaColor);
else glColor(logAreaColorInactive);
int lineNum =4;
float lineSpacing = qFont.pixelSize()*1.5f;
float barHeight = -1 + 2.0*(lineSpacing*(lineNum+.25))/float(curSiz.height());
QRect Column_0(width()/10, this->height()-barHeight+border, width()/2, this->height()-border);
QRect Column_1(width()/2 , this->height()-barHeight+border, width(), this->height()-border);
Color4b logAreaColor = glas.logAreaColor;
glas.logAreaColor[3]=128;
if(mvc->currentId!=id) logAreaColor /=2.0;
glBegin(GL_QUADS);
glVertex2f(-1.f,barHeight); glVertex2f(-1.f,-1.f);
glVertex2f( 1.f,-1.f); glVertex2f( 1.f,barHeight);
glEnd();
painter.fillRect(QRect(0, this->height()-barHeight, width(), this->height()), ColorConverter::ToQColor(logAreaColor));
glColor4f(1,1,1,1);
float leftCol = 20;
float rightCol=curSiz.width()*0.5;
float startPos = curSiz.height()-(5+lineSpacing*(lineNum));
// renderText(20,startPos+ 1*lineSpacing,tr("LOG MESSAGES"),qFont);
//TODO TEMPORANEO BISOGNA SCRIVERE SOLO LE INFO RELATIVE ALLO STATO DELLA GLAREA CORRENTE
//log.glDraw(this,-1,3,lineSpacing,qFont);
QString col1Text,col0Text;
if(meshDoc->size()==1)
{
renderText(rightCol,startPos+ 1*lineSpacing,tr("Vertices: %1").arg(mm()->cm.vn),qFont);
renderText(rightCol,startPos+ 2*lineSpacing,tr("Faces: %1").arg(mm()->cm.fn),qFont);
col1Text += QString("Vertices: %1\n").arg(mm()->cm.vn);
col1Text += QString("Faces: %1\n").arg(mm()->cm.fn);
}
else
{
renderText(rightCol,startPos+ 1*lineSpacing,tr("<%1>").arg(mm()->shortName()),qFont);
renderText(rightCol,startPos+ 2*lineSpacing,tr("Vertices: %1 (%2)").arg(mm()->cm.vn).arg(meshDoc->vn()),qFont);
renderText(rightCol,startPos+ 3*lineSpacing,tr("Faces: %1 (%2)").arg(mm()->cm.fn).arg(meshDoc->fn()),qFont);
}
else
{
col1Text += QString("<%1>\n").arg(mm()->shortName());
col1Text += QString("Vertices: %1 (%2)\n").arg(mm()->cm.vn).arg(meshDoc->vn());
col1Text += QString("Faces: %1 (%2)\n").arg(mm()->cm.fn).arg(meshDoc->fn());
}
if(rm.selectedFace || rm.selectedVert || mm()->cm.sfn>0 || mm()->cm.svn>0 )
renderText(rightCol,startPos+ 4*lineSpacing,tr("Selection: v:%1 f:%2").arg(mm()->cm.svn).arg(mm()->cm.sfn),qFont);
col1Text += QString("Selection: v:%1 f:%2\n").arg(mm()->cm.svn).arg(mm()->cm.sfn);
renderText(leftCol,startPos+ 4*lineSpacing,GetMeshInfoString(),qFont);
col1Text += GetMeshInfoString();
if(fov>5) renderText(leftCol,startPos+1*lineSpacing,QString("FOV: ")+QString::number((int)fov,10),qFont);
else renderText(leftCol,startPos+1*lineSpacing,QString("FOV: Ortho"),qFont);
if ((cfps>0) && (cfps<500))
renderText(leftCol,startPos+2*lineSpacing,QString("FPS: %1").arg(cfps,7,'f',1),qFont);
if ((clipRatioNear!=1) || (clipRatioFar!=1))
renderText(leftCol,startPos+3*lineSpacing,QString("Clipping: N:%1 F:%2").arg(clipRatioNear,7,'f',1).arg(clipRatioFar,7,'f',1),qFont);
if(fov>5) col0Text += QString("FOV: %1\n").arg(fov);
else col0Text += QString("FOV: Ortho\n");
if ((cfps>0) && (cfps<999))
col0Text += QString("FPS: %1\n").arg(cfps,7,'f',1);
if ((clipRatioNear!=1) || (clipRatioFar!=1))
col0Text += QString("Clipping: N:%1 F:%2\n").arg(clipRatioNear,7,'f',1).arg(clipRatioFar,7,'f',1);
painter.drawText(Column_1, Qt::AlignLeft | Qt::TextWordWrap, col1Text);
painter.drawText(Column_0, Qt::AlignLeft | Qt::TextWordWrap, col0Text);
// Closing 2D
glPopAttrib();
glMatrixMode(GL_MODELVIEW);
glPopMatrix(); // restore modelview
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
painter.end();
glPopAttrib();
}
void GLArea::displayViewerHighlight()
{
// Enter in 2D screen Mode again
@ -727,7 +706,7 @@ void GLArea::wheelEvent(QWheelEvent*e)
trackball.MouseWheel( e->delta()/ float(WHEEL_STEP));
break;
}
updateGL();
update();
}
@ -735,7 +714,7 @@ void GLArea::mouseDoubleClickEvent ( QMouseEvent * e )
{
hasToPick=true;
pointToPick=Point2i(e->x(),height()-e->y());
updateGL();
update();
}
void GLArea::focusInEvent ( QFocusEvent * e )
@ -762,14 +741,14 @@ void GLArea::setCursorTrack(vcg::TrackMode *tm)
void GLArea::setDrawMode(vcg::GLW::DrawMode mode)
{
rm.drawMode = mode;
updateGL();
update();
}
void GLArea::setColorMode(vcg::GLW::ColorMode mode)
{
rm.colorMode = mode;
updateGL();
update();
}
void GLArea::updateTexture()
{
@ -847,13 +826,13 @@ void GLArea::initTexture()
void GLArea::setTextureMode(vcg::GLW::TextureMode mode)
{
rm.textureMode = mode;
updateGL();
update();
}
void GLArea::setLight(bool state)
{
rm.lighting = state;
updateGL();
update();
}
void GLArea::setLightMode(bool state,LightingModel lmode)
@ -863,24 +842,24 @@ void GLArea::setLightMode(bool state,LightingModel lmode)
case LDOUBLE: rm.doubleSideLighting = state; break;
case LFANCY: rm.fancyLighting = state; break;
}
updateGL();
update();
}
void GLArea::setBackFaceCulling(bool enabled)
{
rm.backFaceCull = enabled;
updateGL();
update();
}
void GLArea::setSelectFaceRendering(bool enabled)
{
rm.selectedFace = enabled;
updateGL();
update();
}
void GLArea::setSelectVertRendering(bool enabled)
{
rm.selectedVert = enabled;
updateGL();
update();
}
void GLArea::setLightModel()
@ -996,7 +975,7 @@ void GLArea::resetTrackBall()
float newScale= 3.0f/meshDoc->bbox().Diag();
trackball.track.sca = newScale;
trackball.track.tra = -meshDoc->bbox().Center();
updateGL();
update();
}
void GLArea::hideEvent(QHideEvent * /*event*/)

2
src/meshlab/glarea.h
View File

@ -238,7 +238,7 @@ protected:
void displayHelp();
QString GetMeshInfoString();
void paintGL();
void paintEvent(QPaintEvent *event);
void keyReleaseEvent ( QKeyEvent * e );
void keyPressEvent ( QKeyEvent * e );
void mousePressEvent(QMouseEvent *event);