void cc2DLabel::drawMeOnly2D(CC_DRAW_CONTEXT& context)
{
if (!m_dispIn2D)
return;
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)
{
glFunc->glPushName(getUniqueID());
}
//we should already be in orthoprojective & centered omde
//glFunc->glOrtho(-halfW,halfW,-halfH,halfH,-maxS,maxS);
//label title
const int precision = context.dispNumberPrecision;
QString title = getTitle(precision);
#define DRAW_CONTENT_AS_TAB
#ifdef DRAW_CONTENT_AS_TAB
//draw contents as an array
Tab tab(4);
int rowHeight = 0;
#else
//simply display the content as text
QStringList body;
#endif
//render zoom
int margin = static_cast<int>(c_margin * context.renderZoom);
int tabMarginX = static_cast<int>(c_tabMarginX * context.renderZoom);
int tabMarginY = static_cast<int>(c_tabMarginY * context.renderZoom);
int arrowBaseSize = static_cast<int>(c_arrowBaseSize * context.renderZoom);
int titleHeight = 0;
GLdouble arrowDestX = -1.0, arrowDestY = -1.0;
QFont bodyFont,titleFont;
if (!pushName)
{
/*** line from 2D point to label ***/
//compute arrow head position
CCVector3 arrowDest;
m_points[0].cloud->getPoint(m_points[0].index,arrowDest);
for (unsigned i = 1; i < m_points.size(); ++i)
{
arrowDest += *m_points[i].cloud->getPointPersistentPtr(m_points[i].index);
}
arrowDest /= static_cast<PointCoordinateType>(m_points.size());
//project it in 2D screen coordinates
{
ccGLCameraParameters camera;
context.display->getGLCameraParameters(camera);
CCVector3d Q2D;
camera.project(arrowDest, Q2D);
arrowDestX = Q2D.x;
arrowDestY = Q2D.y;
}
/*** label border ***/
bodyFont = context.display->getLabelDisplayFont(); //takes rendering zoom into account!
titleFont = bodyFont; //takes rendering zoom into account!
//titleFont.setBold(true);
QFontMetrics titleFontMetrics(titleFont);
titleHeight = titleFontMetrics.height();
QFontMetrics bodyFontMetrics(bodyFont);
rowHeight = bodyFontMetrics.height();
//get label box dimension
int dx = 100;
int dy = 0;
//int buttonSize = static_cast<int>(c_buttonSize * context.renderZoom);
{
//base box dimension
dx = std::max(dx,titleFontMetrics.width(title));
dy += margin; //top vertical margin
dy += titleHeight; //title
if (m_showFullBody)
{
#ifdef DRAW_CONTENT_AS_TAB
try
{
size_t labelCount = m_points.size();
if (labelCount == 1)
{
LabelInfo1 info;
getLabelInfo1(info);
bool isShifted = info.cloud->isShifted();
//1st block: X, Y, Z (local)
{
int c = tab.add2x3Block();
QChar suffix;
if (isShifted)
suffix = 'l'; //'l' for local
const CCVector3* P = info.cloud->getPoint(info.pointIndex);
tab.colContent[c] << QString("X") + suffix; tab.colContent[c+1] << QString::number(P->x,'f',precision);
tab.colContent[c] << QString("Y") + suffix; tab.colContent[c+1] << QString::number(P->y,'f',precision);
tab.colContent[c] << QString("Z") + suffix; tab.colContent[c+1] << QString::number(P->z,'f',precision);
}
//next block: X, Y, Z (global)
if (isShifted)
{
int c = tab.add2x3Block();
CCVector3d P = info.cloud->toGlobal3d(*info.cloud->getPoint(info.pointIndex));
tab.colContent[c] << "Xg"; tab.colContent[c+1] << QString::number(P.x,'f',precision);
tab.colContent[c] << "Yg"; tab.colContent[c+1] << QString::number(P.y,'f',precision);
tab.colContent[c] << "Zg"; tab.colContent[c+1] << QString::number(P.z,'f',precision);
}
//next block: normal
if (info.hasNormal)
{
int c = tab.add2x3Block();
tab.colContent[c] << "Nx"; tab.colContent[c+1] << QString::number(info.normal.x,'f',precision);
tab.colContent[c] << "Ny"; tab.colContent[c+1] << QString::number(info.normal.y,'f',precision);
tab.colContent[c] << "Nz"; tab.colContent[c+1] << QString::number(info.normal.z,'f',precision);
}
//next block: RGB color
if (info.hasRGB)
{
int c = tab.add2x3Block();
tab.colContent[c] <<"R"; tab.colContent[c+1] << QString::number(info.rgb.x);
tab.colContent[c] <<"G"; tab.colContent[c+1] << QString::number(info.rgb.y);
tab.colContent[c] <<"B"; tab.colContent[c+1] << QString::number(info.rgb.z);
}
}
else if (labelCount == 2)
{
LabelInfo2 info;
getLabelInfo2(info);
//1st block: dX, dY, dZ
{
int c = tab.add2x3Block();
tab.colContent[c] << MathSymbolDelta + QString("X"); tab.colContent[c+1] << QString::number(info.diff.x,'f',precision);
tab.colContent[c] << MathSymbolDelta + QString("Y"); tab.colContent[c+1] << QString::number(info.diff.y,'f',precision);
tab.colContent[c] << MathSymbolDelta + QString("Z"); tab.colContent[c+1] << QString::number(info.diff.z,'f',precision);
}
//2nd block: dXY, dXZ, dZY
{
int c = tab.add2x3Block();
PointCoordinateType dXY = sqrt(info.diff.x*info.diff.x + info.diff.y*info.diff.y);
PointCoordinateType dXZ = sqrt(info.diff.x*info.diff.x + info.diff.z*info.diff.z);
PointCoordinateType dZY = sqrt(info.diff.z*info.diff.z + info.diff.y*info.diff.y);
tab.colContent[c] << MathSymbolDelta + QString("XY"); tab.colContent[c+1] << QString::number(dXY,'f',precision);
tab.colContent[c] << MathSymbolDelta + QString("XZ"); tab.colContent[c+1] << QString::number(dXZ,'f',precision);
tab.colContent[c] << MathSymbolDelta + QString("ZY"); tab.colContent[c+1] << QString::number(dZY,'f',precision);
}
}
else if (labelCount == 3)
{
LabelInfo3 info;
getLabelInfo3(info);
tab.setMaxBlockPerRow(2); //square tab (2x2 blocks)
//next block: indexes
{
int c = tab.add2x3Block();
tab.colContent[c] << "index.A"; tab.colContent[c+1] << QString::number(info.point1Index);
tab.colContent[c] << "index.B"; tab.colContent[c+1] << QString::number(info.point2Index);
tab.colContent[c] << "index.C"; tab.colContent[c+1] << QString::number(info.point3Index);
}
//next block: edges length
{
int c = tab.add2x3Block();
tab.colContent[c] << "AB"; tab.colContent[c+1] << QString::number(info.edges.u[0],'f',precision);
tab.colContent[c] << "BC"; tab.colContent[c+1] << QString::number(info.edges.u[1],'f',precision);
tab.colContent[c] << "CA"; tab.colContent[c+1] << QString::number(info.edges.u[2],'f',precision);
}
//next block: angles
{
int c = tab.add2x3Block();
tab.colContent[c] << "angle.A"; tab.colContent[c+1] << QString::number(info.angles.u[0],'f',precision);
tab.colContent[c] << "angle.B"; tab.colContent[c+1] << QString::number(info.angles.u[1],'f',precision);
tab.colContent[c] << "angle.C"; tab.colContent[c+1] << QString::number(info.angles.u[2],'f',precision);
}
//next block: normal
{
int c = tab.add2x3Block();
tab.colContent[c] << "Nx"; tab.colContent[c+1] << QString::number(info.normal.x,'f',precision);
tab.colContent[c] << "Ny"; tab.colContent[c+1] << QString::number(info.normal.y,'f',precision);
tab.colContent[c] << "Nz"; tab.colContent[c+1] << QString::number(info.normal.z,'f',precision);
}
}
}
catch (const std::bad_alloc&)
{
//not enough memory
return;
}
//compute min width of each column
int totalWidth = tab.updateColumnsWidthTable(bodyFontMetrics);
int tabWidth = totalWidth + tab.colCount * (2*tabMarginX); //add inner margins
dx = std::max(dx,tabWidth);
dy += tab.rowCount * (rowHeight + 2*tabMarginY); //add inner margins
//we also add a margin every 3 rows
dy += std::max(0,(tab.rowCount/3)-1) * margin;
dy += margin; //bottom vertical margin
#else
body = getLabelContent(precision);
if (!body.empty())
{
dy += margin; //vertical margin above separator
for (int j=0; j<body.size(); ++j)
{
dx = std::max(dx,bodyFontMetrics.width(body[j]));
dy += rowHeight; //body line height
}
dy += margin; //vertical margin below text
}
#endif //DRAW_CONTENT_AS_TAB
}
dx += margin*2; // horizontal margins
}
//main rectangle
m_labelROI = QRect(0,0,dx,dy);
//close button
//m_closeButtonROI.right() = dx-margin;
//m_closeButtonROI.left() = m_closeButtonROI.right()-buttonSize;
//m_closeButtonROI.bottom() = margin;
//m_closeButtonROI.top() = m_closeButtonROI.bottom()+buttonSize;
//automatically elide the title
//title = titleFontMetrics.elidedText(title,Qt::ElideRight,m_closeButtonROI[0]-2*margin);
}
int halfW = (context.glW >> 1);
int halfH = (context.glH >> 1);
//draw label rectangle
int xStart = static_cast<int>(context.glW * m_screenPos[0]);
int yStart = static_cast<int>(context.glH * (1.0f - m_screenPos[1]));
m_lastScreenPos[0] = xStart;
m_lastScreenPos[1] = yStart - m_labelROI.height();
//colors
bool highlighted = (!pushName && isSelected());
//default background color
unsigned char alpha = static_cast<unsigned char>((context.labelOpacity/100.0) * 255);
ccColor::Rgbaub defaultBkgColor(context.labelDefaultBkgCol,alpha);
//default border color (mustn't be totally transparent!)
ccColor::Rgbaub defaultBorderColor(ccColor::red);
if (!highlighted)
{
//apply only half of the transparency
unsigned char halfAlpha = static_cast<unsigned char>((50.0 + context.labelOpacity/200.0) * 255);
defaultBorderColor = ccColor::Rgbaub(context.labelDefaultBkgCol,halfAlpha);
}
glFunc->glPushAttrib(GL_COLOR_BUFFER_BIT);
glFunc->glEnable(GL_BLEND);
glFunc->glMatrixMode(GL_MODELVIEW);
glFunc->glPushMatrix();
glFunc->glTranslatef(static_cast<GLfloat>(-halfW + xStart), static_cast<GLfloat>(-halfH + yStart), 0);
if (!pushName)
{
//compute arrow base position relatively to the label rectangle (for 0 to 8)
int arrowBaseConfig = 0;
int iArrowDestX = static_cast<int>(arrowDestX)-xStart;
int iArrowDestY = static_cast<int>(arrowDestY)-yStart;
{
if (iArrowDestX < m_labelROI.left()) //left
arrowBaseConfig += 0;
else if (iArrowDestX > m_labelROI.right()) //Right
arrowBaseConfig += 2;
else //Middle
arrowBaseConfig += 1;
if (iArrowDestY > -m_labelROI.top()) //Top
arrowBaseConfig += 0;
else if (iArrowDestY < -m_labelROI.bottom()) //Bottom
arrowBaseConfig += 6;
else //Middle
arrowBaseConfig += 3;
}
//we make the arrow base start from the nearest corner
if (arrowBaseConfig != 4) //4 = label above point!
{
glFunc->glColor4ubv(defaultBorderColor.rgba);
glFunc->glBegin(GL_TRIANGLE_FAN);
glFunc->glVertex2d(arrowDestX - xStart, arrowDestY - yStart);
switch(arrowBaseConfig)
{
case 0: //top-left corner
glFunc->glVertex2i(m_labelROI.left(), -m_labelROI.top()-2*arrowBaseSize);
glFunc->glVertex2i(m_labelROI.left(), -m_labelROI.top());
glFunc->glVertex2i(m_labelROI.left()+2*arrowBaseSize, -m_labelROI.top());
break;
case 1: //top-middle edge
glFunc->glVertex2i(std::max(m_labelROI.left(),iArrowDestX-arrowBaseSize), -m_labelROI.top());
glFunc->glVertex2i(std::min(m_labelROI.right(),iArrowDestX+arrowBaseSize), -m_labelROI.top());
break;
case 2: //top-right corner
glFunc->glVertex2i(m_labelROI.right(), -m_labelROI.top()-2*arrowBaseSize);
glFunc->glVertex2i(m_labelROI.right(), -m_labelROI.top());
glFunc->glVertex2i(m_labelROI.right()-2*arrowBaseSize, -m_labelROI.top());
break;
case 3: //middle-left edge
glFunc->glVertex2i(m_labelROI.left(), std::min(-m_labelROI.top(),iArrowDestY+arrowBaseSize));
glFunc->glVertex2i(m_labelROI.left(), std::max(-m_labelROI.bottom(),iArrowDestY-arrowBaseSize));
break;
case 4: //middle of rectangle!
break;
case 5: //middle-right edge
glFunc->glVertex2i(m_labelROI.right(), std::min(-m_labelROI.top(),iArrowDestY+arrowBaseSize));
glFunc->glVertex2i(m_labelROI.right(), std::max(-m_labelROI.bottom(),iArrowDestY-arrowBaseSize));
break;
case 6: //bottom-left corner
glFunc->glVertex2i(m_labelROI.left(), -m_labelROI.bottom()+2*arrowBaseSize);
glFunc->glVertex2i(m_labelROI.left(), -m_labelROI.bottom());
glFunc->glVertex2i(m_labelROI.left()+2*arrowBaseSize, -m_labelROI.bottom());
break;
case 7: //bottom-middle edge
glFunc->glVertex2i(std::max(m_labelROI.left(),iArrowDestX-arrowBaseSize), -m_labelROI.bottom());
glFunc->glVertex2i(std::min(m_labelROI.right(),iArrowDestX+arrowBaseSize), -m_labelROI.bottom());
break;
case 8: //bottom-right corner
glFunc->glVertex2i(m_labelROI.right(), -m_labelROI.bottom()+2*arrowBaseSize);
glFunc->glVertex2i(m_labelROI.right(), -m_labelROI.bottom());
glFunc->glVertex2i(m_labelROI.right()-2*arrowBaseSize, -m_labelROI.bottom());
break;
}
glFunc->glEnd();
}
}
//main rectangle
glFunc->glColor4ubv(defaultBkgColor.rgba);
glFunc->glBegin(GL_QUADS);
glFunc->glVertex2i(m_labelROI.left(), -m_labelROI.top());
glFunc->glVertex2i(m_labelROI.left(), -m_labelROI.bottom());
glFunc->glVertex2i(m_labelROI.right(), -m_labelROI.bottom());
glFunc->glVertex2i(m_labelROI.right(), -m_labelROI.top());
glFunc->glEnd();
//if (highlighted)
{
glFunc->glPushAttrib(GL_LINE_BIT);
glFunc->glLineWidth(3.0f * context.renderZoom);
glFunc->glColor4ubv(defaultBorderColor.rgba);
glFunc->glBegin(GL_LINE_LOOP);
glFunc->glVertex2i(m_labelROI.left(), -m_labelROI.top());
glFunc->glVertex2i(m_labelROI.left(), -m_labelROI.bottom());
glFunc->glVertex2i(m_labelROI.right(), -m_labelROI.bottom());
glFunc->glVertex2i(m_labelROI.right(), -m_labelROI.top());
glFunc->glEnd();
glFunc->glPopAttrib();
}
//draw close button
//glFunc->glColor3ubv(ccColor::black);
//glFunc->glBegin(GL_LINE_LOOP);
//glFunc->glVertex2i(m_closeButtonROI.left(),-m_closeButtonROI.top());
//glFunc->glVertex2i(m_closeButtonROI.left(),-m_closeButtonROI.bottom());
//glFunc->glVertex2i(m_closeButtonROI.right(),-m_closeButtonROI.bottom());
//glFunc->glVertex2i(m_closeButtonROI.right(),-m_closeButtonROI.top());
//glFunc->glEnd();
//glFunc->glBegin(GL_LINES);
//glFunc->glVertex2i(m_closeButtonROI.left()+2,-m_closeButtonROI.top()+2);
//glFunc->glVertex2i(m_closeButtonROI.right()-2,-m_closeButtonROI.bottom()-2);
//glFunc->glVertex2i(m_closeButtonROI.right()-2,-m_closeButtonROI.top()+2);
//glFunc->glVertex2i(m_closeButtonROI.left()+2,-m_closeButtonROI.bottom()-2);
//glFunc->glEnd();
//display text
if (!pushName)
{
int xStartRel = margin;
int yStartRel = 0;
yStartRel -= titleHeight;
ccColor::Rgbub defaultTextColor;
if (context.labelOpacity < 40)
{
//under a given opacity level, we use the default text color instead!
defaultTextColor = context.textDefaultCol;
}
else
{
defaultTextColor = ccColor::Rgbub( 255 - context.labelDefaultBkgCol.r,
255 - context.labelDefaultBkgCol.g,
255 - context.labelDefaultBkgCol.b);
}
//label title
context.display->displayText( title,
xStart+xStartRel,
yStart+yStartRel,
ccGenericGLDisplay::ALIGN_DEFAULT,
0,
defaultTextColor.rgb,
&titleFont);
yStartRel -= margin;
if (m_showFullBody)
{
#ifdef DRAW_CONTENT_AS_TAB
int xCol = xStartRel;
for (int c=0; c<tab.colCount; ++c)
{
int width = tab.colWidth[c] + 2*tabMarginX;
int height = rowHeight + 2*tabMarginY;
int yRow = yStartRel;
int actualRowCount = std::min(tab.rowCount,tab.colContent[c].size());
bool labelCol = ((c & 1) == 0);
const unsigned char* textColor = labelCol ? ccColor::white.rgba : defaultTextColor.rgb;
for (int r=0; r<actualRowCount; ++r)
{
if (r && (r % 3) == 0)
yRow -= margin;
if (labelCol)
{
//draw background
int rgbIndex = (r % 3);
if (rgbIndex == 0)
glFunc->glColor3ubv(ccColor::red.rgba);
else if (rgbIndex == 1)
glFunc->glColor3ubv(c_darkGreen.rgba);
else if (rgbIndex == 2)
glFunc->glColor3ubv(ccColor::blue.rgba);
glFunc->glBegin(GL_QUADS);
glFunc->glVertex2i(m_labelROI.left() + xCol, -m_labelROI.top() + yRow);
glFunc->glVertex2i(m_labelROI.left() + xCol, -m_labelROI.top() + yRow - height);
glFunc->glVertex2i(m_labelROI.left() + xCol + width, -m_labelROI.top() + yRow - height);
glFunc->glVertex2i(m_labelROI.left() + xCol + width, -m_labelROI.top() + yRow);
glFunc->glEnd();
}
const QString& str = tab.colContent[c][r];
int xShift = 0;
if (labelCol)
{
//align characters in the middle
xShift = (tab.colWidth[c] - QFontMetrics(bodyFont).width(str)) / 2;
}
else
{
//align digits on the right
xShift = tab.colWidth[c] - QFontMetrics(bodyFont).width(str);
}
context.display->displayText( str,
xStart + xCol + tabMarginX + xShift,
yStart + yRow - rowHeight, ccGenericGLDisplay::ALIGN_DEFAULT, 0, textColor, &bodyFont);
yRow -= height;
}
xCol += width;
}
#else
if (!body.empty())
{
//display body
yStartRel -= margin;
for (int i=0; i<body.size(); ++i)
{
yStartRel -= rowHeight;
context.display->displayText(body[i],xStart+xStartRel,yStart+yStartRel,ccGenericGLDisplay::ALIGN_DEFAULT,0,defaultTextColor.rgb,&bodyFont);
}
}
#endif //DRAW_CONTENT_AS_TAB
}
}
glFunc->glPopAttrib();
glFunc->glPopMatrix();
if (pushName)
{
glFunc->glPopName();
}
}
void BlogListDelegate::paint ( QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const
{
BlogListWidget * listWidget = qobject_cast<BlogListWidget *>(this->parent());
if (listWidget == NULL) return;
QStyle * style = listWidget->style();
if (style == NULL) return;
painter->save();
QFont itemFont(painter->font());
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter, listWidget);
QPixmap pixmap = qvariant_cast<QPixmap>(index.data(IconRole));
QString title = index.data(TitleRole).toString();
QString date = index.data(DateRole).toString();
QString author = index.data(AuthorRole).toString();
QString intro = index.data(IntroRole).toString();
// QRect rect;
int imageSpace = ImageSpace + 10;
// TITLE
painter->setPen(listWidget->titleTextColor());
QFont titleFont(listWidget->titleTextFontFamily());
titleFont.setPixelSize(pixelSize(listWidget->titleTextFontSize()));
painter->setFont(titleFont);
QRect rect = option.rect.adjusted(imageSpace, TopSpace, 0, 0);
style->drawItemText(painter, rect, Qt::AlignLeft, option.palette, true, title);
QFontMetrics titleFontMetrics(titleFont);
// INTRO
painter->setPen(listWidget->introTextColor());
QFont introFont(listWidget->introTextFontFamily());
introFont.setPixelSize(pixelSize(listWidget->introTextFontSize()));
painter->setFont(introFont);
rect = option.rect.adjusted(imageSpace, TopSpace + titleFontMetrics.lineSpacing() + pixelSize(listWidget->titleTextExtraLeading()) , 0, 0);
style->drawItemText(painter, rect, Qt::AlignLeft, option.palette, true, intro);
QFontMetrics introFontMetrics(introFont);
// DATE
painter->setPen(listWidget->dateTextColor());
QFont font(listWidget->dateTextFontFamily());
font.setPixelSize(pixelSize(listWidget->dateTextFontSize()));
painter->setFont(font);
rect = option.rect.adjusted(imageSpace, TopSpace + titleFontMetrics.lineSpacing() + introFontMetrics.lineSpacing() + pixelSize(listWidget->introTextExtraLeading()), 0, 0);
style->drawItemText(painter, rect, Qt::AlignLeft, option.palette, true, date);
QFontMetrics dateTextFontMetrics(font);
// AUTHOR
QRect textRect = style->itemTextRect(dateTextFontMetrics, option.rect, Qt::AlignLeft, true, date);
rect = option.rect.adjusted(imageSpace + textRect.width() + 7, TopSpace + titleFontMetrics.lineSpacing() + introFontMetrics.lineSpacing() + pixelSize(listWidget->introTextExtraLeading()), 0, 0);
style->drawItemText(painter, rect, Qt::AlignLeft, option.palette, true, author);
if (!pixmap.isNull()) {
//ic.paint(painter, option.rect, Qt::AlignVCenter|Qt::AlignLeft);
style->drawItemPixmap(painter, option.rect.adjusted(0, TopSpace, 0, -TopSpace), Qt::AlignLeft, pixmap);
}
painter->restore();
}
void cc2DViewportLabel::drawMeOnly(CC_DRAW_CONTEXT& context)
{
//2D foreground only
if (!MACRO_Foreground(context) || !MACRO_Draw2D(context))
return;
//test viewport parameters
const ccViewportParameters& params = context._win->getViewportParameters();
//in perspective mode, screenPan or zoom cannot be easily compensated
if (m_params.perspectiveView &&
( params.zoom != m_params.zoom
|| params.globalZoom != m_params.globalZoom
|| params.screenPan[0] != m_params.screenPan[0]
|| params.screenPan[1] != m_params.screenPan[1]
|| (params.pivotPoint - m_params.pivotPoint).norm() > ZERO_TOLERANCE))
return;
//test base view matrix
for (unsigned i=0;i<12;++i)
if (fabs(params.baseViewMat.data()[i] - m_params.baseViewMat.data()[i])>ZERO_TOLERANCE)
return;
//general parameters
if (params.perspectiveView != m_params.perspectiveView
|| params.objectCenteredPerspective != m_params.objectCenteredPerspective
//|| (params.pivotPoint - m_params.pivotPoint).norm() > ZERO_TOLERANCE
|| params.aspectRatio != m_params.aspectRatio
|| params.fov != m_params.fov)
return;
glPushAttrib(GL_LINE_BIT);
//Screen pan & pivot compensation
float dx=0.0f,dy=0.0f,relativeZoom=1.0f;
if (!m_params.perspectiveView)
{
float totalZoom = m_params.zoom*m_params.globalZoom;
float winTotalZoom = params.zoom*params.globalZoom;
relativeZoom = winTotalZoom/totalZoom;
dx = m_params.screenPan[0] - params.screenPan[0];
dy = m_params.screenPan[1] - params.screenPan[1];
CCVector3 P = m_params.pivotPoint-params.pivotPoint;
m_params.baseViewMat.apply(P);
dx += P.x;
dy += P.y;
dx *= winTotalZoom;
dy *= winTotalZoom;
}
//thick dotted line
glLineWidth(2);
glLineStipple(1, 0xAAAA);
glEnable(GL_LINE_STIPPLE);
const colorType* defaultColor = selected ? ccColor::red : context.textDefaultCol;
glColor3ubv(defaultColor);
glBegin(GL_LINE_LOOP);
glVertex2f(dx+m_roi[0]*relativeZoom,dy+m_roi[1]*relativeZoom);
glVertex2f(dx+m_roi[2]*relativeZoom,dy+m_roi[1]*relativeZoom);
glVertex2f(dx+m_roi[2]*relativeZoom,dy+m_roi[3]*relativeZoom);
glVertex2f(dx+m_roi[0]*relativeZoom,dy+m_roi[3]*relativeZoom);
glEnd();
glPopAttrib();
//title
QString title(getName());
if (!title.isEmpty())
{
QFont titleFont(context._win->getTextDisplayFont());
titleFont.setBold(true);
QFontMetrics titleFontMetrics(titleFont);
int titleHeight = titleFontMetrics.height();
int xStart = (int)(dx+0.5f*(float)context.glW+std::min<float>(m_roi[0],m_roi[2])*relativeZoom);
int yStart = (int)(dy+0.5f*(float)context.glH+std::min<float>(m_roi[1],m_roi[3])*relativeZoom);
context._win->displayText(title,xStart,yStart-5-titleHeight,false,defaultColor,titleFont);
}
}
void cc2DLabel::drawMeOnly2D(CC_DRAW_CONTEXT& context)
{
if (!m_dispIn2D)
return;
assert(!m_points.empty());
//standard case: list names pushing
bool pushName = MACRO_DrawEntityNames(context);
if (pushName)
glPushName(getUniqueID());
//we should already be in orthoprojective & centered omde
//glOrtho(-halfW,halfW,-halfH,halfH,-maxS,maxS);
int strHeight = 0;
int titleHeight = 0;
QString title(getName());
QStringList body;
GLdouble arrowDestX=-1.0,arrowDestY=-1.0;
QFont bodyFont,titleFont;
if (!pushName)
{
/*** line from 2D point to label ***/
//compute arrow head position
CCVector3 arrowDest;
m_points[0].cloud->getPoint(m_points[0].index,arrowDest);
for (unsigned i=1;i<m_points.size();++i)
arrowDest += *m_points[i].cloud->getPointPersistentPtr(m_points[i].index);
arrowDest /= (PointCoordinateType)m_points.size();
//project it in 2D screen coordinates
int VP[4];
context._win->getViewportArray(VP);
const double* MM = context._win->getModelViewMatd(); //viewMat
const double* MP = context._win->getProjectionMatd(); //projMat
GLdouble zp;
gluProject(arrowDest.x,arrowDest.y,arrowDest.z,MM,MP,VP,&arrowDestX,&arrowDestY,&zp);
/*** label border ***/
bodyFont = context._win->getTextDisplayFont(); //takes rendering zoom into account!
titleFont = QFont(context._win->getTextDisplayFont()); //takes rendering zoom into account!
titleFont.setBold(true);
QFontMetrics titleFontMetrics(titleFont);
QFontMetrics bodyFontMetrics(bodyFont);
strHeight = bodyFontMetrics.height();
titleHeight = titleFontMetrics.height();
if (m_showFullBody)
body = getLabelContent(context.dispNumberPrecision);
//base box dimension
int dx = 150;
dx = std::max(dx,titleFontMetrics.width(title));
int dy = c_margin; //top vertical margin
dy += titleHeight; //title
if (!body.empty())
{
dy += c_margin; //vertical margin above separator
for (int j=0;j<body.size();++j)
{
dx = std::max(dx,bodyFontMetrics.width(body[j]));
dy += (c_margin+strHeight); //margin + body line height
}
}
else
{
dy += c_margin; // vertical margin (purely for aesthetics)
}
dy += c_margin; // bottom vertical margin
dx += c_margin*2; // horizontal margins
//main rectangle
m_labelROI[0]=0;
m_labelROI[1]=0;
m_labelROI[2]=dx;
m_labelROI[3]=dy;
//close button
/*m_closeButtonROI[2]=dx-c_margin;
m_closeButtonROI[0]=m_closeButtonROI[2]-c_buttonSize;
m_closeButtonROI[3]=c_margin;
m_closeButtonROI[1]=m_closeButtonROI[3]+c_buttonSize;
//*/
//automatically elide the title
//title = titleFontMetrics.elidedText(title,Qt::ElideRight,m_closeButtonROI[0]-2*c_margin);
}
int halfW = (context.glW>>1);
int halfH = (context.glH>>1);
//draw label rectangle
int xStart = m_lastScreenPos[0] = (int)((float)context.glW * m_screenPos[0]);
int yStart = m_lastScreenPos[1] = (int)((float)context.glH * (1.0f-m_screenPos[1]));
//colors
bool highlighted = (!pushName && isSelected());
//default background color
colorType defaultBkgColor[4];
memcpy(defaultBkgColor,context.labelDefaultCol,sizeof(colorType)*3);
defaultBkgColor[3] = (colorType)((float)context.labelsTransparency*(float)MAX_COLOR_COMP/100.0f);
//default border color (mustn't be totally transparent!)
colorType defaultBorderColor[4];
if (highlighted)
memcpy(defaultBorderColor,ccColor::red,sizeof(colorType)*3);
else
memcpy(defaultBorderColor,context.labelDefaultCol,sizeof(colorType)*3);
defaultBorderColor[3] = (colorType)((float)(50+context.labelsTransparency/2)*(float)MAX_COLOR_COMP/100.0f);
glPushAttrib(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslatef(static_cast<GLfloat>(-halfW+xStart),static_cast<GLfloat>(-halfH+yStart),0);
if (!pushName)
{
//compute arrow base position relatively to the label rectangle (for 0 to 8)
int arrowBaseConfig = 0;
int iArrowDestX = (int)arrowDestX-xStart;
int iArrowDestY = (int)arrowDestY-yStart;
{
if (iArrowDestX < m_labelROI[0]) //left
arrowBaseConfig += 0;
else if (iArrowDestX > m_labelROI[2]) //Right
arrowBaseConfig += 2;
else //Middle
arrowBaseConfig += 1;
if (iArrowDestY > -m_labelROI[1]) //Top
arrowBaseConfig += 0;
else if (iArrowDestY < -m_labelROI[3]) //Bottom
arrowBaseConfig += 6;
else //Middle
arrowBaseConfig += 3;
}
//we make the arrow base start from the nearest corner
if (arrowBaseConfig != 4) //4 = label above point!
{
glColor4ubv(defaultBorderColor);
glBegin(GL_TRIANGLE_FAN);
glVertex2d(arrowDestX-xStart,arrowDestY-yStart);
switch(arrowBaseConfig)
{
case 0: //top-left corner
glVertex2i(m_labelROI[0], -m_labelROI[1]-2*c_arrowBaseSize);
glVertex2i(m_labelROI[0], -m_labelROI[1]);
glVertex2i(m_labelROI[0]+2*c_arrowBaseSize, -m_labelROI[1]);
break;
case 1: //top-middle edge
glVertex2i(std::max(m_labelROI[0],iArrowDestX-c_arrowBaseSize), -m_labelROI[1]);
glVertex2i(std::min(m_labelROI[2],iArrowDestX+c_arrowBaseSize), -m_labelROI[1]);
break;
case 2: //top-right corner
glVertex2i(m_labelROI[2], -m_labelROI[1]-2*c_arrowBaseSize);
glVertex2i(m_labelROI[2], -m_labelROI[1]);
glVertex2i(m_labelROI[2]-2*c_arrowBaseSize, -m_labelROI[1]);
break;
case 3: //middle-left edge
glVertex2i(m_labelROI[0], std::min(-m_labelROI[1],iArrowDestY+c_arrowBaseSize));
glVertex2i(m_labelROI[0], std::max(-m_labelROI[3],iArrowDestY-c_arrowBaseSize));
break;
case 4: //middle of rectangle!
break;
case 5: //middle-right edge
glVertex2i(m_labelROI[2], std::min(-m_labelROI[1],iArrowDestY+c_arrowBaseSize));
glVertex2i(m_labelROI[2], std::max(-m_labelROI[3],iArrowDestY-c_arrowBaseSize));
break;
case 6: //bottom-left corner
glVertex2i(m_labelROI[0], -m_labelROI[3]+2*c_arrowBaseSize);
glVertex2i(m_labelROI[0], -m_labelROI[3]);
glVertex2i(m_labelROI[0]+2*c_arrowBaseSize, -m_labelROI[3]);
break;
case 7: //bottom-middle edge
glVertex2i(std::max(m_labelROI[0],iArrowDestX-c_arrowBaseSize), -m_labelROI[3]);
glVertex2i(std::min(m_labelROI[2],iArrowDestX+c_arrowBaseSize), -m_labelROI[3]);
break;
case 8: //bottom-right corner
glVertex2i(m_labelROI[2], -m_labelROI[3]+2*c_arrowBaseSize);
glVertex2i(m_labelROI[2], -m_labelROI[3]);
glVertex2i(m_labelROI[2]-2*c_arrowBaseSize, -m_labelROI[3]);
break;
}
glEnd();
}
}
//main rectangle
glColor4ubv(defaultBkgColor);
glBegin(GL_QUADS);
glVertex2i(m_labelROI[0], -m_labelROI[1]);
glVertex2i(m_labelROI[0], -m_labelROI[3]);
glVertex2i(m_labelROI[2], -m_labelROI[3]);
glVertex2i(m_labelROI[2], -m_labelROI[1]);
glEnd();
//if (highlighted)
{
glPushAttrib(GL_LINE_BIT);
glLineWidth(3.0f);
glColor4ubv(defaultBorderColor);
glBegin(GL_LINE_LOOP);
glVertex2i(m_labelROI[0], -m_labelROI[1]);
glVertex2i(m_labelROI[0], -m_labelROI[3]);
glVertex2i(m_labelROI[2], -m_labelROI[3]);
glVertex2i(m_labelROI[2], -m_labelROI[1]);
glEnd();
glPopAttrib();
}
//draw close button
/*glColor3ubv(ccColor::black);
glBegin(GL_LINE_LOOP);
glVertex2i(m_closeButtonROI[0],-m_closeButtonROI[1]);
glVertex2i(m_closeButtonROI[0],-m_closeButtonROI[3]);
glVertex2i(m_closeButtonROI[2],-m_closeButtonROI[3]);
glVertex2i(m_closeButtonROI[2],-m_closeButtonROI[1]);
glEnd();
glBegin(GL_LINES);
glVertex2i(m_closeButtonROI[0]+2,-m_closeButtonROI[1]+2);
glVertex2i(m_closeButtonROI[2]-2,-m_closeButtonROI[3]-2);
glVertex2i(m_closeButtonROI[2]-2,-m_closeButtonROI[1]+2);
glVertex2i(m_closeButtonROI[0]+2,-m_closeButtonROI[3]-2);
glEnd();
//*/
//display text
if (!pushName)
{
int xStartRel = c_margin;
int yStartRel = -c_margin;
yStartRel -= titleHeight;
const colorType* defaultTextColor = (context.labelsTransparency<40 ? context.textDefaultCol : ccColor::darkBlue);
context._win->displayText(title,xStart+xStartRel,yStart+yStartRel,ccGenericGLDisplay::ALIGN_DEFAULT,0,defaultTextColor,&titleFont);
yStartRel -= c_margin;
if (!body.empty())
{
//line separation
glColor4ubv(defaultBorderColor);
glBegin(GL_LINES);
glVertex2i(xStartRel,yStartRel);
glVertex2i(xStartRel+m_labelROI[2]-m_labelROI[0]-2*c_margin,yStartRel);
glEnd();
//display body
yStartRel -= c_margin;
for (int i=0;i<body.size();++i)
{
yStartRel -= strHeight;
context._win->displayText(body[i],xStart+xStartRel,yStart+yStartRel,ccGenericGLDisplay::ALIGN_DEFAULT,0,defaultTextColor,&bodyFont);
}
}
}
glPopAttrib();
glPopMatrix();
if (pushName)
glPopName();
}
void cc2DViewportLabel::drawMeOnly(CC_DRAW_CONTEXT& context)
{
//2D foreground only
if (!MACRO_Foreground(context) || !MACRO_Draw2D(context))
return;
//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;
//test viewport parameters
const ccViewportParameters& params = context.display->getViewportParameters();
//general parameters
if ( params.perspectiveView != m_params.perspectiveView
|| params.objectCenteredView != m_params.objectCenteredView
|| params.pixelSize != m_params.pixelSize)
{
return;
}
//test base view matrix
for (unsigned i = 0; i < 12; ++i)
if (fabs(params.viewMat.data()[i] - m_params.viewMat.data()[i]) > ZERO_TOLERANCE)
return;
if (m_params.perspectiveView)
{
if (params.fov != m_params.fov || params.perspectiveAspectRatio != m_params.perspectiveAspectRatio)
return;
if ((params.pivotPoint - m_params.pivotPoint).norm() > ZERO_TOLERANCE
|| (params.cameraCenter - m_params.cameraCenter).norm() > ZERO_TOLERANCE)
return;
}
else
{
if (params.orthoAspectRatio != m_params.orthoAspectRatio)
return;
}
glFunc->glPushAttrib(GL_LINE_BIT);
float relativeZoom = 1.0f;
float dx = 0, dy = 0;
if (!m_params.perspectiveView) //ortho mode
{
//Screen pan & pivot compensation
float totalZoom = m_params.zoom / m_params.pixelSize;
float winTotalZoom = params.zoom / params.pixelSize;
relativeZoom = winTotalZoom / totalZoom;
CCVector3d dC = m_params.cameraCenter - params.cameraCenter;
CCVector3d P = m_params.pivotPoint - params.pivotPoint;
m_params.viewMat.apply(P);
dx = static_cast<float>(dC.x + P.x);
dy = static_cast<float>(dC.y + P.y);
dx *= winTotalZoom;
dy *= winTotalZoom;
}
//thick dotted line
glFunc->glLineWidth(2);
glFunc->glLineStipple(1, 0xAAAA);
glFunc->glEnable(GL_LINE_STIPPLE);
const unsigned char* defaultColor = m_selected ? ccColor::red.rgba : context.textDefaultCol.rgb;
glFunc->glColor3ubv(defaultColor);
glFunc->glBegin(GL_LINE_LOOP);
glFunc->glVertex2f(dx + m_roi[0] * relativeZoom, dy + m_roi[1] * relativeZoom);
glFunc->glVertex2f(dx + m_roi[2] * relativeZoom, dy + m_roi[1] * relativeZoom);
glFunc->glVertex2f(dx + m_roi[2] * relativeZoom, dy + m_roi[3] * relativeZoom);
glFunc->glVertex2f(dx + m_roi[0] * relativeZoom, dy + m_roi[3] * relativeZoom);
glFunc->glEnd();
glFunc->glPopAttrib();
//title
QString title(getName());
if (!title.isEmpty())
{
QFont titleFont(context.display->getTextDisplayFont()); //takes rendering zoom into account!
titleFont.setBold(true);
QFontMetrics titleFontMetrics(titleFont);
int titleHeight = titleFontMetrics.height();
int xStart = (int)(dx + 0.5f*(float)context.glW + std::min<float>(m_roi[0], m_roi[2])*relativeZoom);
int yStart = (int)(dy + 0.5f*(float)context.glH + std::min<float>(m_roi[1], m_roi[3])*relativeZoom);
context.display->displayText(title, xStart, yStart - 5 - titleHeight, ccGenericGLDisplay::ALIGN_DEFAULT, 0, defaultColor, &titleFont);
}
}
