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ec7bb3ddae9779d2cc769bee1e4da3444c112806
create/src/Gui/ViewProviderAnnotation.cpp
Markus Reitböck a72a0d6405 Gui: use CMake to generate precompiled headers on all platforms 
"Professional CMake" book suggest the following:

"Targets should build successfully with or without compiler support for precompiled headers. It
should be considered an optimization, not a requirement. In particular, do not explicitly include a
precompile header (e.g. stdafx.h) in the source code, let CMake force-include an automatically
generated precompile header on the compiler command line instead. This is more portable across
the major compilers and is likely to be easier to maintain. It will also avoid warnings being
generated from certain code checking tools like iwyu (include what you use)."

Therefore, removed the "#include <PreCompiled.h>" from sources, also
there is no need for the "#ifdef _PreComp_" anymore
2025-09-14 09:47:03 +02:00

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/***************************************************************************
* Copyright (c) 2008 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
# include <QMenu>
# include <QFont>
# include <QFontMetrics>
# include <QImage>
# include <QPainter>
# include <Inventor/actions/SoSearchAction.h>
# include <Inventor/nodes/SoAnnotation.h>
# include <Inventor/nodes/SoAsciiText.h>
# include <Inventor/nodes/SoBaseColor.h>
# include <Inventor/nodes/SoCoordinate3.h>
# include <Inventor/nodes/SoDrawStyle.h>
# include <Inventor/nodes/SoFont.h>
# include <Inventor/nodes/SoImage.h>
# include <Inventor/nodes/SoLineSet.h>
# include <Inventor/nodes/SoPointSet.h>
# include <Inventor/nodes/SoRotationXYZ.h>
# include <Inventor/nodes/SoText2.h>
# include <Inventor/nodes/SoTranslation.h>
# include <Inventor/draggers/SoTranslate2Dragger.h>
#include <App/Annotation.h>
#include <App/Document.h>
#include <App/PropertyStandard.h>
#include <Base/Parameter.h>
#include "ViewProviderAnnotation.h"
#include "Application.h"
#include "BitmapFactory.h"
#include "Document.h"
#include "SoFCSelection.h"
#include "Tools.h"
#include "Window.h"
using namespace Gui;
const char* ViewProviderAnnotation::JustificationEnums[]= {"Left","Right","Center",nullptr};
const char* ViewProviderAnnotation::RotationAxisEnums[]= {"X","Y","Z",nullptr};
PROPERTY_SOURCE(Gui::ViewProviderAnnotation, Gui::ViewProviderDocumentObject)
ViewProviderAnnotation::ViewProviderAnnotation()
{
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
unsigned long col = hGrp->GetUnsigned("AnnotationTextColor",4294967295UL); // light grey
float r,g,b;
r = ((col >> 24) & 0xff) / 255.0; g = ((col >> 16) & 0xff) / 255.0; b = ((col >> 8) & 0xff) / 255.0;
ADD_PROPERTY(TextColor,(r,g,b));
ADD_PROPERTY(Justification,((long)0));
Justification.setEnums(JustificationEnums);
ADD_PROPERTY(FontSize,(12));
ADD_PROPERTY(FontName,("Arial"));
ADD_PROPERTY(LineSpacing,(1.0));
ADD_PROPERTY(Rotation,(0));
ADD_PROPERTY(RotationAxis,((long)2));
RotationAxis.setEnums(RotationAxisEnums);
pFont = new SoFont();
pFont->ref();
pLabel = new SoText2();
pLabel->ref();
pLabel3d = new SoAsciiText();
pLabel3d->ref();
pColor = new SoBaseColor();
pColor->ref();
pTranslation = new SoTranslation();
pTranslation->ref();
pRotationXYZ = new SoRotationXYZ();
pRotationXYZ->ref();
RotationAxis.touch();
TextColor.touch();
FontSize.touch();
FontName.touch();
sPixmap = "Tree_Annotation";
}
ViewProviderAnnotation::~ViewProviderAnnotation()
{
pFont->unref();
pLabel->unref();
pLabel3d->unref();
pColor->unref();
pTranslation->unref();
pRotationXYZ->unref();
}
void ViewProviderAnnotation::onChanged(const App::Property* prop)
{
if (prop == &TextColor) {
const Base::Color& c = TextColor.getValue();
pColor->rgb.setValue(c.r,c.g,c.b);
}
else if (prop == &Justification) {
if (Justification.getValue() == 0) {
pLabel->justification = SoText2::LEFT;
pLabel3d->justification = SoAsciiText::LEFT;
}
else if (Justification.getValue() == 1) {
pLabel->justification = SoText2::RIGHT;
pLabel3d->justification = SoAsciiText::RIGHT;
}
else if (Justification.getValue() == 2) {
pLabel->justification = SoText2::CENTER;
pLabel3d->justification = SoAsciiText::CENTER;
}
}
else if (prop == &FontSize) {
pFont->size = FontSize.getValue();
}
else if (prop == &FontName) {
pFont->name = FontName.getValue();
}
else if (prop == &LineSpacing) {
pLabel->spacing = LineSpacing.getValue();
pLabel3d->spacing = LineSpacing.getValue();
}
else if (prop == &RotationAxis) {
if (RotationAxis.getValue() == 0) {
pRotationXYZ->axis = SoRotationXYZ::X;
}
else if (RotationAxis.getValue() == 1) {
pRotationXYZ->axis = SoRotationXYZ::Y;
}
else if (RotationAxis.getValue() == 2) {
pRotationXYZ->axis = SoRotationXYZ::Z;
}
}
else if (prop == &Rotation) {
pRotationXYZ->angle = (Rotation.getValue()/360)*(2*std::numbers::pi);
}
else {
ViewProviderDocumentObject::onChanged(prop);
}
}
std::vector<std::string> ViewProviderAnnotation::getDisplayModes() const
{
// add modes
std::vector<std::string> StrList;
StrList.emplace_back("Screen");
StrList.emplace_back("World");
return StrList;
}
void ViewProviderAnnotation::setDisplayMode(const char* ModeName)
{
if (strcmp(ModeName, "Screen") == 0)
setDisplayMaskMode("Screen");
else if (strcmp(ModeName, "World")==0)
setDisplayMaskMode("World");
ViewProviderDocumentObject::setDisplayMode(ModeName);
}
void ViewProviderAnnotation::attach(App::DocumentObject* f)
{
ViewProviderDocumentObject::attach(f);
auto anno = new SoAnnotation();
auto anno3d = new SoAnnotation();
auto textsep = new SoFCSelection();
// set selection/highlight colors
float transparency;
ParameterGrp::handle hGrp = Gui::WindowParameter::getDefaultParameter()->GetGroup("View");
SbColor highlightColor = textsep->colorHighlight.getValue();
auto highlight = (unsigned long)(highlightColor.getPackedValue());
highlight = hGrp->GetUnsigned("HighlightColor", highlight);
highlightColor.setPackedValue((uint32_t)highlight, transparency);
textsep->colorHighlight.setValue(highlightColor);
// Do the same with the selection color
SbColor selectionColor = textsep->colorSelection.getValue();
auto selection = (unsigned long)(selectionColor.getPackedValue());
selection = hGrp->GetUnsigned("SelectionColor", selection);
selectionColor.setPackedValue((uint32_t)selection, transparency);
textsep->colorSelection.setValue(selectionColor);
textsep->objectName = pcObject->getNameInDocument();
textsep->documentName = pcObject->getDocument()->getName();
textsep->subElementName = "Main";
textsep->addChild(pTranslation);
textsep->addChild(pRotationXYZ);
textsep->addChild(pColor);
textsep->addChild(pFont); // causes problems
textsep->addChild(pLabel);
auto textsep3d = new SoFCSelection();
// set sel/highlight color here too
textsep3d->colorHighlight.setValue(highlightColor);
textsep3d->colorSelection.setValue(selectionColor);
textsep3d->objectName = pcObject->getNameInDocument();
textsep3d->documentName = pcObject->getDocument()->getName();
textsep3d->subElementName = "Main";
textsep3d->addChild(pTranslation);
textsep3d->addChild(pRotationXYZ);
textsep3d->addChild(pColor);
textsep3d->addChild(pFont);
textsep3d->addChild(pLabel3d);
anno->addChild(textsep);
anno3d->addChild(textsep3d);
addDisplayMaskMode(anno, "Screen");
addDisplayMaskMode(anno3d, "World");
}
void ViewProviderAnnotation::updateData(const App::Property* prop)
{
if (prop->is<App::PropertyStringList>() &&
strcmp(prop->getName(),"LabelText") == 0) {
const std::vector<std::string> lines = static_cast<const App::PropertyStringList*>(prop)->getValues();
int index=0;
pLabel->string.setNum((int)lines.size());
pLabel3d->string.setNum((int)lines.size());
for (const auto & line : lines) {
const char* cs = line.c_str();
if (line.empty())
cs = " "; // empty lines make coin crash, we use a space instead
pLabel->string.set1Value(index, SbString(cs));
pLabel3d->string.set1Value(index, SbString(cs));
index++;
}
}
else if (prop->is<App::PropertyVector>() &&
strcmp(prop->getName(),"Position") == 0) {
Base::Vector3d v = static_cast<const App::PropertyVector*>(prop)->getValue();
pTranslation->translation.setValue(v.x,v.y,v.z);
}
ViewProviderDocumentObject::updateData(prop);
}
// ----------------------------------------------------------------------------
const char* ViewProviderAnnotationLabel::JustificationEnums[]= {"Left","Right","Center",nullptr};
PROPERTY_SOURCE(Gui::ViewProviderAnnotationLabel, Gui::ViewProviderDocumentObject)
ViewProviderAnnotationLabel::ViewProviderAnnotationLabel()
{
ADD_PROPERTY(TextColor,(1.0f,1.0f,1.0f));
ADD_PROPERTY(BackgroundColor,(0.0f,0.333f,1.0f));
ADD_PROPERTY(Justification,((long)0));
Justification.setEnums(JustificationEnums);
QFont fn;
ADD_PROPERTY(FontSize,(fn.pointSize()));
ADD_PROPERTY(FontName,((const char*)fn.family().toLatin1()));
ADD_PROPERTY(Frame,(true));
pColor = new SoBaseColor();
pColor->ref();
pBaseTranslation = new SoTranslation();
pBaseTranslation->ref();
pTextTranslation = new TranslateManip();
pTextTranslation->ref();
pCoords = new SoCoordinate3();
pCoords->ref();
pImage = new SoImage();
pImage->ref();
BackgroundColor.touch();
sPixmap = "Tree_Annotation";
}
ViewProviderAnnotationLabel::~ViewProviderAnnotationLabel()
{
pColor->unref();
pBaseTranslation->unref();
pTextTranslation->unref();
pCoords->unref();
pImage->unref();
}
void ViewProviderAnnotationLabel::onChanged(const App::Property* prop)
{
if (prop == &BackgroundColor) {
const Base::Color& c = BackgroundColor.getValue();
pColor->rgb.setValue(c.r,c.g,c.b);
}
if (prop == &TextColor || prop == &BackgroundColor ||
prop == &Justification || prop == &FontSize ||
prop == &FontName || prop == &Frame) {
if (getObject()) {
App::Property* label = getObject()->getPropertyByName("LabelText");
if (label && label->is<App::PropertyStringList>())
drawImage(static_cast<App::PropertyStringList*>(label)->getValues());
}
}
else {
ViewProviderDocumentObject::onChanged(prop);
}
}
std::vector<std::string> ViewProviderAnnotationLabel::getDisplayModes() const
{
// add modes
std::vector<std::string> StrList;
StrList.emplace_back("Line");
StrList.emplace_back("Object");
return StrList;
}
void ViewProviderAnnotationLabel::setDisplayMode(const char* ModeName)
{
if (strcmp(ModeName, "Line") == 0)
setDisplayMaskMode("Line");
else if (strcmp(ModeName, "Object")==0)
setDisplayMaskMode("Object");
ViewProviderDocumentObject::setDisplayMode(ModeName);
}
void ViewProviderAnnotationLabel::attach(App::DocumentObject* f)
{
ViewProviderDocumentObject::attach(f);
// plain image
SoSeparator* textsep = new SoAnnotation();
textsep->addChild(pBaseTranslation);
textsep->addChild(pImage);
// image with line
SoSeparator* linesep = new SoAnnotation();
linesep->addChild(pBaseTranslation);
linesep->addChild(pColor);
linesep->addChild(pCoords);
linesep->addChild(new SoLineSet());
auto ds = new SoDrawStyle();
ds->pointSize.setValue(3.0f);
linesep->addChild(ds);
linesep->addChild(new SoPointSet());
linesep->addChild(pTextTranslation);
linesep->addChild(pImage);
addDisplayMaskMode(linesep, "Line");
addDisplayMaskMode(textsep, "Object");
// Use the image node as the transform handle
SoSearchAction sa;
sa.setInterest(SoSearchAction::FIRST);
sa.setSearchingAll(true);
sa.setNode(this->pImage);
sa.apply(pcRoot);
SoPath * imagePath = sa.getPath();
if (imagePath) {
SoDragger* dragger = pTextTranslation->getDragger();
dragger->addStartCallback(dragStartCallback, this);
dragger->addFinishCallback(dragFinishCallback, this);
dragger->addMotionCallback(dragMotionCallback, this);
dragger->setPartAsPath("translator", imagePath);
// Hide the dragger feedback during translation
dragger->setPart("translatorActive", NULL);
dragger->setPart("xAxisFeedback", NULL);
dragger->setPart("yAxisFeedback", NULL);
}
}
void ViewProviderAnnotationLabel::updateData(const App::Property* prop)
{
if (prop->is<App::PropertyStringList>() &&
strcmp(prop->getName(),"LabelText") == 0) {
drawImage(static_cast<const App::PropertyStringList*>(prop)->getValues());
}
else if (prop->is<App::PropertyVector>() &&
strcmp(prop->getName(),"BasePosition") == 0) {
Base::Vector3d v = static_cast<const App::PropertyVector*>(prop)->getValue();
pBaseTranslation->translation.setValue(v.x,v.y,v.z);
}
else if (prop->is<App::PropertyVector>() &&
strcmp(prop->getName(),"TextPosition") == 0) {
Base::Vector3d v = static_cast<const App::PropertyVector*>(prop)->getValue();
pCoords->point.set1Value(1, SbVec3f(v.x,v.y,v.z));
pTextTranslation->translation.setValue(v.x,v.y,v.z);
}
ViewProviderDocumentObject::updateData(prop);
}
void ViewProviderAnnotationLabel::dragStartCallback(void *, SoDragger *)
{
// This is called when a manipulator is about to manipulating
Gui::Application::Instance->activeDocument()->openCommand(QT_TRANSLATE_NOOP("Command", "Transform"));
}
void ViewProviderAnnotationLabel::dragFinishCallback(void *, SoDragger *)
{
// This is called when a manipulator has done manipulating
Gui::Application::Instance->activeDocument()->commitCommand();
}
void ViewProviderAnnotationLabel::dragMotionCallback(void *data, SoDragger *drag)
{
auto that = static_cast<ViewProviderAnnotationLabel*>(data);
const SbMatrix& mat = drag->getMotionMatrix();
App::DocumentObject* obj = that->getObject();
if (obj && obj->is<App::AnnotationLabel>()) {
static_cast<App::AnnotationLabel*>(obj)->TextPosition.setValue(mat[3][0],mat[3][1],mat[3][2]);
}
}
void ViewProviderAnnotationLabel::drawImage(const std::vector<std::string>& s)
{
if (s.empty()) {
pImage->image = SoSFImage();
this->hide();
return;
}
QFont font(QString::fromLatin1(this->FontName.getValue()), (int)this->FontSize.getValue());
QFontMetrics fm(font);
int w = 0;
int h = fm.height() * s.size();
const Base::Color& b = this->BackgroundColor.getValue();
QColor brush;
brush.setRgbF(b.r,b.g,b.b);
const Base::Color& t = this->TextColor.getValue();
QColor front;
front.setRgbF(t.r,t.g,t.b);
QStringList lines;
for (const auto & it : s) {
QString line = QString::fromUtf8(it.c_str());
w = std::max<int>(w, QtTools::horizontalAdvance(fm, line));
lines << line;
}
QImage image(w+10,h+10,QImage::Format_ARGB32_Premultiplied);
image.fill(0x00000000);
QPainter painter(&image);
painter.setRenderHint(QPainter::Antialiasing);
bool drawFrame = this->Frame.getValue();
if (drawFrame) {
painter.setPen(QPen(QColor(0,0,127), 2, Qt::SolidLine, Qt::RoundCap,
Qt::RoundJoin));
painter.setBrush(QBrush(brush, Qt::SolidPattern));
QRectF rectangle(0.0, 0.0, w+10, h+10);
painter.drawRoundedRect(rectangle, 5, 5);
}
painter.setPen(front);
Qt::Alignment align = Qt::AlignVCenter;
if (Justification.getValue() == 0)
align = Qt::AlignVCenter | Qt::AlignLeft;
else if (Justification.getValue() == 1)
align = Qt::AlignVCenter | Qt::AlignRight;
else
align = Qt::AlignVCenter | Qt::AlignHCenter;
QString text = lines.join(QLatin1String("\n"));
painter.setFont(font);
painter.drawText(5,5,w,h,align,text);
painter.end();
SoSFImage sfimage;
Gui::BitmapFactory().convert(image, sfimage);
pImage->image = sfimage;
}
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