void ccOctree::drawMeOnly(CC_DRAW_CONTEXT& context)
{
if (m_thePointsAndTheirCellCodes.empty())
return;
if (MACRO_Draw3D(context))
{
bool pushName = MACRO_DrawEntityNames(context);
if (pushName)
{
//not fast at all!
if (MACRO_DrawFastNamesOnly(context))
return;
glPushName(getUniqueIDForDisplay());
}
assert(m_displayedLevel < 256);
RenderOctreeAs(m_displayType,this,static_cast<uchar>(m_displayedLevel),m_theAssociatedCloudAsGPC,m_glListID,m_shouldBeRefreshed);
if (m_shouldBeRefreshed)
m_shouldBeRefreshed = false;
if (pushName)
glPopName();
}
}
void ccKdTree::drawMeOnly(CC_DRAW_CONTEXT& context)
{
if (!m_associatedGenericCloud || !m_root)
return;
if (MACRO_Draw3D(context))
{
bool pushName = MACRO_DrawEntityNames(context);
if (pushName)
{
//not fast at all!
if (MACRO_DrawFastNamesOnly(context))
return;
glPushName(getUniqueIDForDisplay());
}
DrawMeOnlyVisitor(m_associatedGenericCloud->getBB()).visit(m_root);
if (pushName)
glPopName();
}
}
void ccGenericMesh::drawMeOnly(CC_DRAW_CONTEXT& context)
{
ccGenericPointCloud* vertices = getAssociatedCloud();
if (!vertices)
return;
handleColorRamp(context);
//3D pass
if (MACRO_Draw3D(context))
{
//any triangle?
unsigned triNum = size();
if (triNum == 0)
return;
//L.O.D.
bool lodEnabled = (triNum > GET_MAX_LOD_FACES_NUMBER() && context.decimateMeshOnMove && MACRO_LODActivated(context));
unsigned decimStep = (lodEnabled ? (unsigned)ceil((float)triNum*3 / (float)GET_MAX_LOD_FACES_NUMBER()) : 1);
unsigned displayedTriNum = triNum / decimStep;
//display parameters
glDrawParams glParams;
getDrawingParameters(glParams);
glParams.showNorms &= bool(MACRO_LightIsEnabled(context));
//vertices visibility
const ccGenericPointCloud::VisibilityTableType* verticesVisibility = vertices->getTheVisibilityArray();
bool visFiltering = (verticesVisibility && verticesVisibility->isAllocated());
//wireframe ? (not compatible with LOD)
bool showWired = isShownAsWire() && !lodEnabled;
//per-triangle normals?
bool showTriNormals = (hasTriNormals() && triNormsShown());
//fix 'showNorms'
glParams.showNorms = showTriNormals || (vertices->hasNormals() && m_normalsDisplayed);
//materials & textures
bool applyMaterials = (hasMaterials() && materialsShown());
bool showTextures = (hasTextures() && materialsShown() && !lodEnabled);
//GL name pushing
bool pushName = MACRO_DrawEntityNames(context);
//special case: triangle names pushing (for picking)
bool pushTriangleNames = MACRO_DrawTriangleNames(context);
pushName |= pushTriangleNames;
if (pushName)
{
//not fast at all!
if (MACRO_DrawFastNamesOnly(context))
return;
glPushName(getUniqueIDForDisplay());
//minimal display for picking mode!
glParams.showNorms = false;
glParams.showColors = false;
//glParams.showSF --> we keep it only if SF 'NaN' values are hidden
showTriNormals = false;
applyMaterials = false;
showTextures = false;
}
//in the case we need to display scalar field colors
ccScalarField* currentDisplayedScalarField = 0;
bool greyForNanScalarValues = true;
unsigned colorRampSteps = 0;
ccColorScale::Shared colorScale(0);
if (glParams.showSF)
{
assert(vertices->isA(CC_TYPES::POINT_CLOUD));
ccPointCloud* cloud = static_cast<ccPointCloud*>(vertices);
greyForNanScalarValues = (cloud->getCurrentDisplayedScalarField() && cloud->getCurrentDisplayedScalarField()->areNaNValuesShownInGrey());
if (greyForNanScalarValues && pushName)
{
//in picking mode, no need to take SF into account if we don't hide any points!
glParams.showSF = false;
}
else
{
currentDisplayedScalarField = cloud->getCurrentDisplayedScalarField();
colorScale = currentDisplayedScalarField->getColorScale();
colorRampSteps = currentDisplayedScalarField->getColorRampSteps();
assert(colorScale);
//get default color ramp if cloud has no scale associated?!
if (!colorScale)
colorScale = ccColorScalesManager::GetUniqueInstance()->getDefaultScale(ccColorScalesManager::BGYR);
}
}
//materials or color?
bool colorMaterial = false;
if (glParams.showSF || glParams.showColors)
{
applyMaterials = false;
colorMaterial = true;
glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
}
//in the case we need to display vertex colors
ColorsTableType* rgbColorsTable = 0;
if (glParams.showColors)
{
if (isColorOverriden())
{
glColor3ubv(m_tempColor);
glParams.showColors = false;
}
else
{
assert(vertices->isA(CC_TYPES::POINT_CLOUD));
rgbColorsTable = static_cast<ccPointCloud*>(vertices)->rgbColors();
}
}
else
{
glColor3fv(context.defaultMat.diffuseFront);
}
if (glParams.showNorms)
{
//DGM: Strangely, when Qt::renderPixmap is called, the OpenGL version can fall to 1.0!
glEnable((QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_2 ? GL_RESCALE_NORMAL : GL_NORMALIZE));
glEnable(GL_LIGHTING);
context.defaultMat.applyGL(true,colorMaterial);
}
//in the case we need normals (i.e. lighting)
NormsIndexesTableType* normalsIndexesTable = 0;
ccNormalVectors* compressedNormals = 0;
if (glParams.showNorms)
{
assert(vertices->isA(CC_TYPES::POINT_CLOUD));
normalsIndexesTable = static_cast<ccPointCloud*>(vertices)->normals();
compressedNormals = ccNormalVectors::GetUniqueInstance();
}
//stipple mask
if (stipplingEnabled())
EnableGLStippleMask(true);
if (!pushTriangleNames && !visFiltering && !(applyMaterials || showTextures) && (!glParams.showSF || greyForNanScalarValues))
{
//the GL type depends on the PointCoordinateType 'size' (float or double)
GLenum GL_COORD_TYPE = sizeof(PointCoordinateType) == 4 ? GL_FLOAT : GL_DOUBLE;
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3,GL_COORD_TYPE,0,GetVertexBuffer());
if (glParams.showNorms)
{
glEnableClientState(GL_NORMAL_ARRAY);
glNormalPointer(GL_COORD_TYPE,0,GetNormalsBuffer());
}
if (glParams.showSF || glParams.showColors)
{
glEnableClientState(GL_COLOR_ARRAY);
glColorPointer(3,GL_UNSIGNED_BYTE,0,GetColorsBuffer());
}
//we can scan and process each chunk separately in an optimized way
//we mimic the way ccMesh beahves by using virtual chunks!
unsigned chunks = static_cast<unsigned>(ceil((double)displayedTriNum/(double)MAX_NUMBER_OF_ELEMENTS_PER_CHUNK));
unsigned chunkStart = 0;
const colorType* col = 0;
for (unsigned k=0; k<chunks; ++k, chunkStart += MAX_NUMBER_OF_ELEMENTS_PER_CHUNK)
{
//virtual chunk size
const unsigned chunkSize = k+1 < chunks ? MAX_NUMBER_OF_ELEMENTS_PER_CHUNK : (displayedTriNum % MAX_NUMBER_OF_ELEMENTS_PER_CHUNK);
//vertices
PointCoordinateType* _vertices = GetVertexBuffer();
for (unsigned n=0; n<chunkSize; n+=decimStep)
{
const CCLib::TriangleSummitsIndexes* ti = getTriangleIndexes(chunkStart + n);
memcpy(_vertices,vertices->getPoint(ti->i1)->u,sizeof(PointCoordinateType)*3);
_vertices+=3;
memcpy(_vertices,vertices->getPoint(ti->i2)->u,sizeof(PointCoordinateType)*3);
_vertices+=3;
memcpy(_vertices,vertices->getPoint(ti->i3)->u,sizeof(PointCoordinateType)*3);
_vertices+=3;
}
//scalar field
if (glParams.showSF)
{
colorType* _rgbColors = GetColorsBuffer();
assert(colorScale);
for (unsigned n=0; n<chunkSize; n+=decimStep)
{
const CCLib::TriangleSummitsIndexes* ti = getTriangleIndexes(chunkStart + n);
col = currentDisplayedScalarField->getValueColor(ti->i1);
memcpy(_rgbColors,col,sizeof(colorType)*3);
_rgbColors += 3;
col = currentDisplayedScalarField->getValueColor(ti->i2);
memcpy(_rgbColors,col,sizeof(colorType)*3);
_rgbColors += 3;
col = currentDisplayedScalarField->getValueColor(ti->i3);
memcpy(_rgbColors,col,sizeof(colorType)*3);
_rgbColors += 3;
}
}
//colors
else if (glParams.showColors)
{
colorType* _rgbColors = GetColorsBuffer();
for (unsigned n=0; n<chunkSize; n+=decimStep)
{
const CCLib::TriangleSummitsIndexes* ti = getTriangleIndexes(chunkStart + n);
memcpy(_rgbColors,rgbColorsTable->getValue(ti->i1),sizeof(colorType)*3);
_rgbColors += 3;
memcpy(_rgbColors,rgbColorsTable->getValue(ti->i2),sizeof(colorType)*3);
_rgbColors += 3;
memcpy(_rgbColors,rgbColorsTable->getValue(ti->i3),sizeof(colorType)*3);
_rgbColors += 3;
}
}
//normals
if (glParams.showNorms)
{
PointCoordinateType* _normals = GetNormalsBuffer();
if (showTriNormals)
{
for (unsigned n=0; n<chunkSize; n+=decimStep)
{
CCVector3 Na, Nb, Nc;
getTriangleNormals(chunkStart + n, Na, Nb, Nc);
memcpy(_normals,Na.u,sizeof(PointCoordinateType)*3);
_normals+=3;
memcpy(_normals,Nb.u,sizeof(PointCoordinateType)*3);
_normals+=3;
memcpy(_normals,Nc.u,sizeof(PointCoordinateType)*3);
_normals+=3;
}
}
else
{
for (unsigned n=0; n<chunkSize; n+=decimStep)
{
const CCLib::TriangleSummitsIndexes* ti = getTriangleIndexes(chunkStart + n);
memcpy(_normals,vertices->getPointNormal(ti->i1).u,sizeof(PointCoordinateType)*3);
_normals+=3;
memcpy(_normals,vertices->getPointNormal(ti->i2).u,sizeof(PointCoordinateType)*3);
_normals+=3;
memcpy(_normals,vertices->getPointNormal(ti->i3).u,sizeof(PointCoordinateType)*3);
_normals+=3;
}
}
}
if (!showWired)
{
glDrawArrays(lodEnabled ? GL_POINTS : GL_TRIANGLES,0,(chunkSize/decimStep)*3);
}
else
{
glDrawElements(GL_LINES,(chunkSize/decimStep)*6,GL_UNSIGNED_INT,GetWireVertexIndexes());
}
}
//disable arrays
glDisableClientState(GL_VERTEX_ARRAY);
if (glParams.showNorms)
glDisableClientState(GL_NORMAL_ARRAY);
if (glParams.showSF || glParams.showColors)
glDisableClientState(GL_COLOR_ARRAY);
}
else
{
//current vertex color
const colorType *col1=0,*col2=0,*col3=0;
//current vertex normal
const PointCoordinateType *N1=0,*N2=0,*N3=0;
//current vertex texture coordinates
float *Tx1=0,*Tx2=0,*Tx3=0;
//loop on all triangles
int lasMtlIndex = -1;
if (showTextures)
{
//#define TEST_TEXTURED_BUNDLER_IMPORT
#ifdef TEST_TEXTURED_BUNDLER_IMPORT
glPushAttrib(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(context.sourceBlend, context.destBlend);
#endif
glEnable(GL_TEXTURE_2D);
}
if (pushTriangleNames)
glPushName(0);
GLenum triangleDisplayType = lodEnabled ? GL_POINTS : showWired ? GL_LINE_LOOP : GL_TRIANGLES;
glBegin(triangleDisplayType);
//per-triangle normals
const NormsIndexesTableType* triNormals = getTriNormsTable();
//materials
const ccMaterialSet* materials = getMaterialSet();
for (unsigned n=0; n<triNum; ++n)
{
//current triangle vertices
const CCLib::TriangleSummitsIndexes* tsi = getTriangleIndexes(n);
//LOD: shall we display this triangle?
if (n % decimStep)
continue;
if (visFiltering)
{
//we skip the triangle if at least one vertex is hidden
if ((verticesVisibility->getValue(tsi->i1) != POINT_VISIBLE) ||
(verticesVisibility->getValue(tsi->i2) != POINT_VISIBLE) ||
(verticesVisibility->getValue(tsi->i3) != POINT_VISIBLE))
continue;
}
if (glParams.showSF)
{
assert(colorScale);
col1 = currentDisplayedScalarField->getValueColor(tsi->i1);
if (!col1)
continue;
col2 = currentDisplayedScalarField->getValueColor(tsi->i2);
if (!col2)
continue;
col3 = currentDisplayedScalarField->getValueColor(tsi->i3);
if (!col3)
continue;
}
else if (glParams.showColors)
{
col1 = rgbColorsTable->getValue(tsi->i1);
col2 = rgbColorsTable->getValue(tsi->i2);
col3 = rgbColorsTable->getValue(tsi->i3);
}
if (glParams.showNorms)
{
if (showTriNormals)
{
assert(triNormals);
int n1,n2,n3;
getTriangleNormalIndexes(n,n1,n2,n3);
N1 = (n1>=0 ? ccNormalVectors::GetNormal(triNormals->getValue(n1)).u : 0);
N2 = (n1==n2 ? N1 : n1>=0 ? ccNormalVectors::GetNormal(triNormals->getValue(n2)).u : 0);
N3 = (n1==n3 ? N1 : n3>=0 ? ccNormalVectors::GetNormal(triNormals->getValue(n3)).u : 0);
}
else
{
N1 = compressedNormals->getNormal(normalsIndexesTable->getValue(tsi->i1)).u;
N2 = compressedNormals->getNormal(normalsIndexesTable->getValue(tsi->i2)).u;
N3 = compressedNormals->getNormal(normalsIndexesTable->getValue(tsi->i3)).u;
}
}
if (applyMaterials || showTextures)
{
assert(materials);
int newMatlIndex = this->getTriangleMtlIndex(n);
//do we need to change material?
if (lasMtlIndex != newMatlIndex)
{
assert(newMatlIndex<(int)materials->size());
glEnd();
if (showTextures)
{
GLuint texID = (newMatlIndex>=0 ? (*materials)[newMatlIndex].texID : 0);
if (texID>0)
assert(glIsTexture(texID));
glBindTexture(GL_TEXTURE_2D, texID);
}
//if we don't have any current material, we apply default one
(newMatlIndex>=0 ? (*materials)[newMatlIndex] : context.defaultMat).applyGL(glParams.showNorms,false);
glBegin(triangleDisplayType);
lasMtlIndex=newMatlIndex;
}
if (showTextures)
{
getTriangleTexCoordinates(n,Tx1,Tx2,Tx3);
}
}
if (pushTriangleNames)
{
glEnd();
glLoadName(n);
glBegin(triangleDisplayType);
}
else if (showWired)
{
glEnd();
glBegin(triangleDisplayType);
}
//vertex 1
if (N1)
ccGL::Normal3v(N1);
if (col1)
glColor3ubv(col1);
if (Tx1)
glTexCoord2fv(Tx1);
ccGL::Vertex3v(vertices->getPoint(tsi->i1)->u);
//vertex 2
if (N2)
ccGL::Normal3v(N2);
if (col2)
glColor3ubv(col2);
if (Tx2)
glTexCoord2fv(Tx2);
ccGL::Vertex3v(vertices->getPoint(tsi->i2)->u);
//vertex 3
if (N3)
ccGL::Normal3v(N3);
if (col3)
glColor3ubv(col3);
if (Tx3)
glTexCoord2fv(Tx3);
ccGL::Vertex3v(vertices->getPoint(tsi->i3)->u);
}
glEnd();
if (pushTriangleNames)
glPopName();
if (showTextures)
{
#ifdef TEST_TEXTURED_BUNDLER_IMPORT
glPopAttrib(); //GL_COLOR_BUFFER_BIT
#endif
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
}
}
if (stipplingEnabled())
EnableGLStippleMask(false);
if (colorMaterial)
glDisable(GL_COLOR_MATERIAL);
if (glParams.showNorms)
{
glDisable(GL_LIGHTING);
glDisable((QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_2 ? GL_RESCALE_NORMAL : GL_NORMALIZE));
}
if (pushName)
glPopName();
}
}
void ccSymbolCloud::drawMeOnly(CC_DRAW_CONTEXT& context)
{
if (!m_points->isAllocated())
return;
//nothing to do?!
if (!m_showSymbols && !m_showLabels)
return;
if (MACRO_Draw2D(context) && MACRO_Foreground(context))
{
//we get display parameters
glDrawParams glParams;
getDrawingParameters(glParams);
//standard case: list names pushing
bool pushName = MACRO_DrawEntityNames(context);
bool hasLabels = !m_labels.empty();
if (pushName)
{
//not fast at all!
if (MACRO_DrawFastNamesOnly(context))
return;
glPushName(getUniqueID());
hasLabels = false; //no need to display labels in 'picking' mode
}
//we should already be in orthoprojective & centered omde
//glOrtho(-halfW,halfW,-halfH,halfH,-maxS,maxS);
//default color
const unsigned char* color = context.pointsDefaultCol;
if (isColorOverriden())
{
color = m_tempColor;
glParams.showColors = false;
}
if (!glParams.showColors)
glColor3ubv(color);
unsigned numberOfPoints = size();
//viewport parameters (will be used to project 3D positions to 2D)
int VP[4];
context._win->getViewportArray(VP);
const double* MM = context._win->getModelViewMatd(); //viewMat
const double* MP = context._win->getProjectionMatd(); //projMat
//only usefull when displaying labels!
QFont font(context._win->getTextDisplayFont()); //takes rendering zoom into account!
font.setPointSize(static_cast<int>(m_fontSize * context.renderZoom));
//font.setBold(true);
QFontMetrics fontMetrics(font);
double symbolSizeBackup = m_symbolSize;
m_symbolSize *= static_cast<double>(context.renderZoom);
double xpShift = 0.0;
if (m_labelAlignFlags & ccGenericGLDisplay::ALIGN_HLEFT)
xpShift = m_symbolSize/2.0;
else if (m_labelAlignFlags & ccGenericGLDisplay::ALIGN_HRIGHT)
xpShift = -m_symbolSize/2.0;
double ypShift = 0.0;
if (m_labelAlignFlags & ccGenericGLDisplay::ALIGN_VTOP)
ypShift = m_symbolSize/2.0;
else if (m_labelAlignFlags & ccGenericGLDisplay::ALIGN_VBOTTOM)
ypShift = -m_symbolSize/2.0;
//draw symbols + labels
{
for (unsigned i=0;i<numberOfPoints;i++)
{
//symbol center
const CCVector3* P = getPoint(i);
//project it in 2D screen coordinates
GLdouble xp,yp,zp;
gluProject(P->x,P->y,P->z,MM,MP,VP,&xp,&yp,&zp);
//apply point color (if any)
if (glParams.showColors)
{
color = getPointColor(i);
glColor3ubv(color);
}
//draw associated symbol
if (m_showSymbols && m_symbolSize > 0.0)
{
drawSymbolAt(xp-static_cast<double>(context.glW/2),yp-static_cast<double>(context.glH/2));
}
//draw associated label?
if (m_showLabels && hasLabels && m_labels.size() > i && !m_labels[i].isNull())
{
//draw label
context._win->displayText(m_labels[i],static_cast<int>(xp+xpShift),static_cast<int>(yp+ypShift),m_labelAlignFlags,0,color,&font);
}
}
}
//restore original symbol size
m_symbolSize = symbolSizeBackup;
if (pushName)
glPopName();
}
}
void cc2DLabel::drawMeOnly3D(CC_DRAW_CONTEXT& context)
{
assert(!m_points.empty());
//get the set of OpenGL functions (version 2.1)
QOpenGLFunctions_2_1 *glFunc = context.glFunctions<QOpenGLFunctions_2_1>();
assert( glFunc != nullptr );
if ( glFunc == nullptr )
return;
//standard case: list names pushing
bool pushName = MACRO_DrawEntityNames(context);
if (pushName)
{
//not particularily fast
if (MACRO_DrawFastNamesOnly(context))
return;
glFunc->glPushName(getUniqueIDForDisplay());
}
const float c_sizeFactor = 4.0f;
bool loop = false;
size_t count = m_points.size();
switch (count)
{
case 3:
{
glFunc->glPushAttrib(GL_COLOR_BUFFER_BIT);
glFunc->glEnable(GL_BLEND);
//we draw the triangle
glFunc->glColor4ub(255,255,0,128);
glFunc->glBegin(GL_TRIANGLES);
ccGL::Vertex3v(glFunc, m_points[0].cloud->getPoint(m_points[0].index)->u);
ccGL::Vertex3v(glFunc, m_points[1].cloud->getPoint(m_points[1].index)->u);
ccGL::Vertex3v(glFunc, m_points[2].cloud->getPoint(m_points[2].index)->u);
glFunc->glEnd();
glFunc->glPopAttrib();
loop = true;
}
case 2:
{
//segment width
glFunc->glPushAttrib(GL_LINE_BIT);
glFunc->glLineWidth(c_sizeFactor * context.renderZoom);
//we draw the segments
if (isSelected())
ccGL::Color3v(glFunc, ccColor::red.rgba);
else
ccGL::Color3v(glFunc, ccColor::green.rgba);
glFunc->glBegin(GL_LINES);
for (unsigned i=0; i<count; i++)
{
if (i+1<count || loop)
{
ccGL::Vertex3v(glFunc, m_points[i].cloud->getPoint(m_points[i].index)->u);
ccGL::Vertex3v(glFunc, m_points[(i+1)%count].cloud->getPoint(m_points[(i+1)%count].index)->u);
}
}
glFunc->glEnd();
glFunc->glPopAttrib();
}
case 1:
{
//display point marker as spheres
{
if (!c_unitPointMarker)
{
c_unitPointMarker = QSharedPointer<ccSphere>(new ccSphere(1.0f, 0, "PointMarker", 12));
c_unitPointMarker->showColors(true);
c_unitPointMarker->setVisible(true);
c_unitPointMarker->setEnabled(true);
}
//build-up point maker own 'context'
CC_DRAW_CONTEXT markerContext = context;
markerContext.drawingFlags &= (~CC_DRAW_ENTITY_NAMES); //we must remove the 'push name flag' so that the sphere doesn't push its own!
markerContext.display = 0;
if (isSelected() && !pushName)
c_unitPointMarker->setTempColor(ccColor::red);
else
c_unitPointMarker->setTempColor(context.labelDefaultMarkerCol);
const ccViewportParameters& viewPortParams = context.display->getViewportParameters();
ccGLCameraParameters camera;
context.display->getGLCameraParameters(camera);
for (unsigned i = 0; i<count; i++)
{
glFunc->glMatrixMode(GL_MODELVIEW);
glFunc->glPushMatrix();
const CCVector3* P = m_points[i].cloud->getPoint(m_points[i].index);
ccGL::Translate(glFunc, P->x, P->y, P->z);
float scale = context.labelMarkerSize * m_relMarkerScale;
if (viewPortParams.perspectiveView && viewPortParams.zFar > 0)
{
//in perspective view, the actual scale depends on the distance to the camera!
const double* M = camera.modelViewMat.data();
double d = (camera.modelViewMat * CCVector3d::fromArray(P->u)).norm();
double unitD = viewPortParams.zFar / 2; //we consider that the 'standard' scale is at half the depth
scale = static_cast<float>(scale * sqrt(d / unitD)); //sqrt = empirical (probably because the marker size is already partly compensated by ccGLWindow::computeActualPixelSize())
}
glFunc->glScalef(scale, scale, scale);
c_unitPointMarker->draw(markerContext);
glFunc->glPopMatrix();
}
}
if (m_dispIn3D && !pushName) //no need to display label in point picking mode
{
QFont font(context.display->getTextDisplayFont()); //takes rendering zoom into account!
//font.setPointSize(font.pointSize()+2);
font.setBold(true);
static const QChar ABC[3] = {'A','B','C'};
//we can't use the context 'ccGLCameraParameters' (viewport, modelView matrix, etc. )
//because it doesn't take the temporary 'GL transformation' into account!
ccGLCameraParameters camera;
//context.display->getGLCameraParameters(camera);
glFunc->glGetIntegerv(GL_VIEWPORT, camera.viewport);
glFunc->glGetDoublev(GL_PROJECTION_MATRIX, camera.projectionMat.data());
glFunc->glGetDoublev(GL_MODELVIEW_MATRIX, camera.modelViewMat.data());
//draw their name
glFunc->glPushAttrib(GL_DEPTH_BUFFER_BIT);
glFunc->glDisable(GL_DEPTH_TEST);
for (unsigned j=0; j<count; j++)
{
const CCVector3* P = m_points[j].cloud->getPoint(m_points[j].index);
QString title;
if (count == 1)
title = getName(); //for single-point labels we prefer the name
else if (count == 3)
title = ABC[j]; //for triangle-labels, we only display "A","B","C"
else
title = QString("P#%0").arg(m_points[j].index);
//project it in 2D screen coordinates
CCVector3d Q2D;
camera.project(*P, Q2D);
context.display->displayText( title,
static_cast<int>(Q2D.x) + context.labelMarkerTextShift_pix,
static_cast<int>(Q2D.y) + context.labelMarkerTextShift_pix,
ccGenericGLDisplay::ALIGN_DEFAULT,
context.labelOpacity / 100.0f,
ccColor::white.rgba,
&font );
}
glFunc->glPopAttrib();
}
}
}
if (pushName)
{
glFunc->glPopName();
}
}
void cc2DLabel::drawMeOnly3D(CC_DRAW_CONTEXT& context)
{
assert(!m_points.empty());
//standard case: list names pushing
bool pushName = MACRO_DrawEntityNames(context);
if (pushName)
{
//not particularily fast
if (MACRO_DrawFastNamesOnly(context))
return;
glPushName(getUniqueIDForDisplay());
}
const float c_sizeFactor = 4.0f;
bool loop = false;
size_t count = m_points.size();
switch (count)
{
case 3:
{
glPushAttrib(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
//we draw the triangle
glColor4ub(255,255,0,128);
glBegin(GL_TRIANGLES);
ccGL::Vertex3v(m_points[0].cloud->getPoint(m_points[0].index)->u);
ccGL::Vertex3v(m_points[1].cloud->getPoint(m_points[1].index)->u);
ccGL::Vertex3v(m_points[2].cloud->getPoint(m_points[2].index)->u);
glEnd();
glPopAttrib();
loop = true;
}
case 2:
{
//segment width
glPushAttrib(GL_LINE_BIT);
glLineWidth(c_sizeFactor * context.renderZoom);
//we draw the segments
if (isSelected())
ccGL::Color3v(ccColor::red.rgba);
else
ccGL::Color3v(ccColor::green.rgba);
glBegin(GL_LINES);
for (unsigned i=0; i<count; i++)
{
if (i+1<count || loop)
{
ccGL::Vertex3v(m_points[i].cloud->getPoint(m_points[i].index)->u);
ccGL::Vertex3v(m_points[(i+1)%count].cloud->getPoint(m_points[(i+1)%count].index)->u);
}
}
glEnd();
glPopAttrib();
}
case 1:
{
//display point marker as spheres
{
if (!c_unitPointMarker)
{
c_unitPointMarker = QSharedPointer<ccSphere>(new ccSphere(1.0f,0,"PointMarker",12));
c_unitPointMarker->showColors(true);
c_unitPointMarker->setVisible(true);
c_unitPointMarker->setEnabled(true);
}
//build-up point maker own 'context'
CC_DRAW_CONTEXT markerContext = context;
markerContext.flags &= (~CC_DRAW_ENTITY_NAMES); //we must remove the 'push name flag' so that the sphere doesn't push its own!
markerContext._win = 0;
if (isSelected() && !pushName)
c_unitPointMarker->setTempColor(ccColor::red);
else
c_unitPointMarker->setTempColor(context.labelDefaultMarkerCol);
for (unsigned i=0; i<count; i++)
{
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
const CCVector3* P = m_points[i].cloud->getPoint(m_points[i].index);
ccGL::Translate(P->x,P->y,P->z);
glScalef(context.labelMarkerSize,context.labelMarkerSize,context.labelMarkerSize);
c_unitPointMarker->draw(markerContext);
glPopMatrix();
}
}
if (m_dispIn3D && !pushName) //no need to display label in point picking mode
{
QFont font(context._win->getTextDisplayFont()); //takes rendering zoom into account!
//font.setPointSize(font.pointSize()+2);
font.setBold(true);
static const QChar ABC[3] = {'A','B','C'};
int VP[4];
context._win->getViewportArray(VP);
const double* MM = context._win->getModelViewMatd(); //viewMat
const double* MP = context._win->getProjectionMatd(); //projMat
//draw their name
glPushAttrib(GL_DEPTH_BUFFER_BIT);
glDisable(GL_DEPTH_TEST);
for (unsigned j=0; j<count; j++)
{
const CCVector3* P = m_points[j].cloud->getPoint(m_points[j].index);
QString title;
if (count == 1)
title = getName(); //for single-point labels we prefer the name
else if (count == 3)
title = ABC[j]; //for triangle-labels, we only display "A","B","C"
else
title = QString("P#%0").arg(m_points[j].index);
//project it in 2D screen coordinates
GLdouble xp,yp,zp;
gluProject(P->x,P->y,P->z,MM,MP,VP,&xp,&yp,&zp);
context._win->displayText( title,
static_cast<int>(xp) + context.labelMarkerTextShift_pix,
static_cast<int>(yp) + context.labelMarkerTextShift_pix,
ccGenericGLDisplay::ALIGN_DEFAULT,
context.labelOpacity/100.0f,
ccColor::white.rgba,
&font );
}
glPopAttrib();
}
}
}
if (pushName)
glPopName();
}
void ccGBLSensor::drawMeOnly(CC_DRAW_CONTEXT& context)
{
//we draw here a little 3d representation of the sensor
if (MACRO_Draw3D(context))
{
bool pushName = MACRO_DrawEntityNames(context);
if (pushName)
{
//not particulary fast
if (MACRO_DrawFastNamesOnly(context))
return;
glPushName(getUniqueIDForDisplay());
}
//DGM FIXME: this display routine is crap!
//apply rigid transformation
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
{
ccIndexedTransformation sensorPos;
if (!getAbsoluteTransformation(sensorPos,m_activeIndex))
{
//no visible position for this index!
glPopMatrix();
if (pushName)
glPopName();
return;
}
glMultMatrixf(sensorPos.data());
}
//test: center as sphere
/*{
ccSphere sphere(m_scale/10,0,"Center",12);
sphere.showColors(true);
sphere.setVisible(true);
sphere.setEnabled(true);
CC_DRAW_CONTEXT sphereContext = context;
sphereContext.flags &= (~CC_DRAW_ENTITY_NAMES); //we must remove the 'push name flag' so that the sphere doesn't push its own!
sphereContext._win = 0;
sphere.setTempColor(ccColor::magenta);
sphere.draw(sphereContext);
}
//*/
const PointCoordinateType halfHeadSize = static_cast<PointCoordinateType>(0.3);
//sensor axes
{
//increased width
glPushAttrib(GL_LINE_BIT);
GLfloat width;
glGetFloatv(GL_LINE_WIDTH,&width);
glLineWidth(width+1);
PointCoordinateType axisLength = halfHeadSize * m_scale;
ccGL::Color3v(ccColor::red.rgba);
CCVector3 C(0,0,0);
glBegin(GL_LINES);
ccGL::Vertex3v(C.u);
ccGL::Vertex3(C.x+axisLength,C.y,C.z);
glEnd();
ccGL::Color3v(ccColor::green.rgba);
glBegin(GL_LINES);
ccGL::Vertex3v(C.u);
ccGL::Vertex3(C.x,C.y+axisLength,C.z);
glEnd();
ccGL::Color3v(ccColor::blue.rgba);
glBegin(GL_LINES);
ccGL::Vertex3v(C.u);
ccGL::Vertex3(C.x,C.y,C.z+axisLength);
glEnd();
glPopAttrib();
}
//sensor head
{
CCVector3 minCorner(-halfHeadSize,-halfHeadSize,-halfHeadSize);
CCVector3 maxCorner( halfHeadSize, halfHeadSize, halfHeadSize);
minCorner *= m_scale;
maxCorner *= m_scale;
ccBBox bbHead(minCorner,maxCorner);
bbHead.draw(m_color);
}
//sensor legs
{
CCVector3 headConnect = /*headCenter*/ - CCVector3(0,0,static_cast<PointCoordinateType>(halfHeadSize)*m_scale);
ccGL::Color3v(m_color.rgb);
glBegin(GL_LINES);
ccGL::Vertex3v(headConnect.u);
ccGL::Vertex3(-m_scale,-m_scale,-m_scale);
ccGL::Vertex3v(headConnect.u);
ccGL::Vertex3(-m_scale,m_scale,-m_scale);
ccGL::Vertex3v(headConnect.u);
ccGL::Vertex3(m_scale,0,-m_scale);
glEnd();
}
if (pushName)
glPopName();
glPopMatrix();
}
}
void cc2DLabel::drawMeOnly3D(CC_DRAW_CONTEXT& context)
{
assert(!m_points.empty());
//standard case: list names pushing
bool pushName = MACRO_DrawEntityNames(context);
if (pushName)
{
//not particularily fast
if (MACRO_DrawFastNamesOnly(context))
return;
glPushName(getUniqueIDForDisplay());
}
const float c_sizeFactor = 4.0f;
bool loop=false;
size_t count = m_points.size();
switch (count)
{
case 3:
{
glPushAttrib(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
//we draw the triangle
glColor4ub(255,255,0,128);
glBegin(GL_TRIANGLES);
for (unsigned i=0; i<count; ++i)
ccGL::Vertex3v(m_points[i].cloud->getPoint(m_points[i].index)->u);
glEnd();
glPopAttrib();
loop=true;
}
case 2:
{
//segment width
glPushAttrib(GL_LINE_BIT);
glLineWidth(c_sizeFactor);
//we draw the segments
if (isSelected())
glColor3ubv(ccColor::red);
else
glColor3ubv(ccColor::green);
glBegin(GL_LINES);
for (unsigned i=0; i<count; i++)
{
if (i+1<count || loop)
{
ccGL::Vertex3v(m_points[i].cloud->getPoint(m_points[i].index)->u);
ccGL::Vertex3v(m_points[(i+1)%count].cloud->getPoint(m_points[(i+1)%count].index)->u);
}
}
glEnd();
glPopAttrib();
}
case 1:
{
//display point marker as spheres
{
if (!c_unitPointMarker)
{
c_unitPointMarker = QSharedPointer<ccSphere>(new ccSphere(1.0f,0,"PointMarker",12));
c_unitPointMarker->showColors(true);
c_unitPointMarker->setVisible(true);
c_unitPointMarker->setEnabled(true);
}
//build-up point maker own 'context'
CC_DRAW_CONTEXT markerContext = context;
markerContext.flags &= (~CC_DRAW_ENTITY_NAMES); //we must remove the 'push name flag' so that the sphere doesn't push its own!
markerContext._win = 0;
if (isSelected() && !pushName)
c_unitPointMarker->setTempColor(ccColor::red);
else
c_unitPointMarker->setTempColor(ccColor::magenta);
for (unsigned i=0; i<count; i++)
{
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
const CCVector3* P = m_points[i].cloud->getPoint(m_points[i].index);
ccGL::Translate(P->x,P->y,P->z);
glScalef(context.pickedPointsRadius,context.pickedPointsRadius,context.pickedPointsRadius);
c_unitPointMarker->draw(markerContext);
glPopMatrix();
}
}
if (m_dispIn3D && !pushName) //no need to display label in point picking mode
{
QFont font(context._win->getTextDisplayFont()); //takes rendering zoom into account!
//font.setPointSize(font.pointSize()+2);
font.setBold(true);
//draw their name
glPushAttrib(GL_DEPTH_BUFFER_BIT);
glDisable(GL_DEPTH_TEST);
for (unsigned j=0; j<count; j++)
{
const CCVector3* P = m_points[j].cloud->getPoint(m_points[j].index);
QString title = (count == 1 ? getName() : QString("P#%0").arg(m_points[j].index));
context._win->display3DLabel( title, *P+CCVector3(context.pickedPointsTextShift), ccColor::magenta, font);
}
glPopAttrib();
}
}
}
if (pushName)
glPopName();
}
void ccSample::drawMeOnly(CC_DRAW_CONTEXT& context)
{
if (MACRO_Draw3D(context)) {
if (!this->getSample())
return;
QOpenGLFunctions_2_1* glFunc = context.glFunctions<QOpenGLFunctions_2_1>();
assert(glFunc != nullptr);
bool pushName = MACRO_DrawEntityNames(context);
if (pushName) {
// not particularily fast
if (MACRO_DrawFastNamesOnly(context))
return;
glFunc->glPushName(getUniqueIDForDisplay());
}
if (!c_unitPointMarker) {
c_unitPointMarker = QSharedPointer<ccSphere>(new ccSphere(m_radius_, 0, "PointMarker", 12));
c_unitPointMarker->showColors(true);
c_unitPointMarker->setVisible(true);
c_unitPointMarker->setEnabled(true);
}
// build-up point maker own 'context'
CC_DRAW_CONTEXT markerContext = context;
markerContext.drawingFlags
&= (~CC_DRAW_ENTITY_NAMES); // we must remove the 'push name flag' so
// that the sphere doesn't push its own!
markerContext.display = nullptr;
if (isSelected() && !pushName) {
c_unitPointMarker->setTempColor(ccColor::red);
c_unitPointMarker->setRadius(2 * m_radius_);
}
else {
c_unitPointMarker->setTempColor(ccColor::magenta);
c_unitPointMarker->setRadius(m_radius_);
}
glFunc->glMatrixMode(GL_MODELVIEW);
glFunc->glPushMatrix();
float x, y, z;
Eigen::Vector3f p = this->getSample()->getPosition();
// const CCVector3* P = m_points[i].cloud->getPoint(m_points[i].index);
// ccGL::Translate();
glFunc->glTranslatef(p(0), p(1), p(2));
glFunc->glScalef(context.labelMarkerSize, context.labelMarkerSize,
context.labelMarkerSize);
m_current_scaling_ = context.labelMarkerSize;
c_unitPointMarker->draw(markerContext);
glFunc->glPopMatrix();
drawStratPos(context);
if (pushName)
glFunc->glPopName();
}
}
