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Gui: Move texture handling to view provider extension

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It should be avoided to add all stuff to the base class when it's only needed in one sub-class
This commit is contained in:
wmayer
2024-06-05 00:42:29 +02:00
parent d88253c2a1
commit 330e64fc89
8 changed files with 302 additions and 117 deletions
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5
src/Gui/Application.cpp
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@@ -122,6 +122,7 @@
#include "ViewProviderPart.h"
#include "ViewProviderPythonFeature.h"
#include "ViewProviderTextDocument.h"
#include "ViewProviderTextureExtension.h"
#include "ViewProviderVRMLObject.h"
#include "ViewProviderVarSet.h"
#include "WaitCursor.h"
@@ -1875,6 +1876,7 @@ void Application::initApplication()
void Application::initTypes()
{
// clang-format off
// views
Gui::BaseView ::init();
Gui::MDIView ::init();
@@ -1925,6 +1927,8 @@ void Application::initTypes()
Gui::ViewProviderMaterialObject ::init();
Gui::ViewProviderMaterialObjectPython ::init();
Gui::ViewProviderTextDocument ::init();
Gui::ViewProviderTextureExtension ::init();
Gui::ViewProviderFaceTexture ::init();
Gui::ViewProviderLinkObserver ::init();
Gui::LinkView ::init();
Gui::ViewProviderLink ::init();
@@ -1945,6 +1949,7 @@ void Application::initTypes()
// register transaction type
new App::TransactionProducer<TransactionViewProvider>
(ViewProviderDocumentObject::getClassTypeId());
// clang-format on
}
void Application::initOpenInventor()

2
src/Gui/CMakeLists.txt
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@@ -944,6 +944,7 @@ SET(Viewprovider_CPP_SRCS
ViewProviderOrigin.cpp
ViewProviderMaterialObject.cpp
ViewProviderTextDocument.cpp
ViewProviderTextureExtension.cpp
ViewProviderLink.cpp
LinkViewPyImp.cpp
ViewProviderLinkPyImp.cpp
@@ -981,6 +982,7 @@ SET(Viewprovider_SRCS
ViewProviderOrigin.h
ViewProviderMaterialObject.h
ViewProviderTextDocument.h
ViewProviderTextureExtension.h
ViewProviderLink.h
ViewProviderVarSet.h
AxisOrigin.h

77
src/Gui/ViewProviderGeometryObject.cpp
View File

@@ -34,14 +34,12 @@
#include <Inventor/nodes/SoMaterial.h>
#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/nodes/SoSwitch.h>
#include <Inventor/nodes/SoTexture2.h>
#endif
#include <Inventor/nodes/SoResetTransform.h>
#include <App/GeoFeature.h>
#include <App/PropertyGeo.h>
#include <Gui/BitmapFactory.h>
#include "Application.h"
#include "Document.h"
@@ -96,29 +94,10 @@ ViewProviderGeometryObject::ViewProviderGeometryObject()
Selectable.setValue(isSelectionEnabled());
pcSwitchAppearance = new SoSwitch;
pcSwitchAppearance->ref();
pcSwitchTexture = new SoSwitch;
pcSwitchTexture->ref();
pcShapeMaterial = new SoMaterial;
setCoinAppearance(mat);
pcShapeMaterial->ref();
pcShapeTexture2D = new SoTexture2;
pcShapeTexture2D->ref();
pcTextureGroup3D = new SoGroup;
pcTextureGroup3D->ref();
// Materials go first, with textured faces drawing over them
pcSwitchAppearance->addChild(pcShapeMaterial);
pcSwitchAppearance->addChild(pcSwitchTexture);
pcSwitchTexture->addChild(pcShapeTexture2D);
pcSwitchTexture->addChild(pcTextureGroup3D);
pcSwitchAppearance->whichChild.setValue(0);
pcSwitchTexture->whichChild.setValue(SO_SWITCH_NONE);
pcBoundingBox = new Gui::SoFCBoundingBox;
pcBoundingBox->ref();
@@ -130,11 +109,7 @@ ViewProviderGeometryObject::ViewProviderGeometryObject()
ViewProviderGeometryObject::~ViewProviderGeometryObject()
{
pcSwitchAppearance->unref();
pcSwitchTexture->unref();
pcShapeMaterial->unref();
pcShapeTexture2D->unref();
pcTextureGroup3D->unref();
pcBoundingBox->unref();
pcBoundColor->unref();
}
@@ -273,31 +248,12 @@ unsigned long ViewProviderGeometryObject::getBoundColor() const
void ViewProviderGeometryObject::setCoinAppearance(const App::Material& source)
{
#if 0
if (!source.image.empty()) {
Base::Console().Log("setCoinAppearance(Texture)\n");
activateTexture2D();
QByteArray by = QByteArray::fromBase64(QString::fromStdString(source.image).toUtf8());
auto image = QImage::fromData(by, "PNG"); //.scaled(64, 64, Qt::KeepAspectRatio);
SoSFImage texture;
Gui::BitmapFactory().convert(image, texture);
pcShapeTexture2D->image = texture;
} else {
Base::Console().Log("setCoinAppearance(Material)\n");
activateMaterial();
}
#endif
activateMaterial();
// Always set the material for items such as lines that don't support textures
pcShapeMaterial->ambientColor.setValue(source.ambientColor.r,
source.ambientColor.g,
source.ambientColor.b);
source.ambientColor.g,
source.ambientColor.b);
pcShapeMaterial->diffuseColor.setValue(source.diffuseColor.r,
source.diffuseColor.g,
source.diffuseColor.b);
source.diffuseColor.g,
source.diffuseColor.b);
pcShapeMaterial->specularColor.setValue(source.specularColor.r,
source.specularColor.g,
source.specularColor.b);
@@ -308,31 +264,6 @@ void ViewProviderGeometryObject::setCoinAppearance(const App::Material& source)
pcShapeMaterial->transparency.setValue(source.transparency);
}
void ViewProviderGeometryObject::activateMaterial()
{
pcSwitchAppearance->whichChild.setValue(0);
pcSwitchTexture->whichChild.setValue(SO_SWITCH_NONE);
}
void ViewProviderGeometryObject::activateTexture2D()
{
pcSwitchAppearance->whichChild.setValue(1);
pcSwitchTexture->whichChild.setValue(0);
}
void ViewProviderGeometryObject::activateTexture3D()
{
pcSwitchAppearance->whichChild.setValue(1);
pcSwitchTexture->whichChild.setValue(1);
}
void ViewProviderGeometryObject::activateMixed3D()
{
pcSwitchAppearance->whichChild.setValue(SO_SWITCH_ALL);
pcSwitchTexture->whichChild.setValue(1);
}
namespace
{
float getBoundBoxFontSize()

18
src/Gui/ViewProviderGeometryObject.h
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@@ -30,7 +30,6 @@
class SoPickedPointList;
class SoSwitch;
class SoSensor;
class SoTexture2;
class SbVec2s;
class SoBaseColor;
@@ -110,28 +109,11 @@ protected:
const char* PropName) override;
void setCoinAppearance(const App::Material& source);
/**
* Select which appearance type is active
*
*/
/** Material only */
void activateMaterial();
/** 2D Texture */
void activateTexture2D();
/** 3D texture only */
void activateTexture3D();
/** Mix of material and 3D textures */
void activateMixed3D();
private:
bool isSelectionEnabled() const;
protected:
SoSwitch* pcSwitchAppearance {nullptr};
SoSwitch* pcSwitchTexture {nullptr};
SoMaterial* pcShapeMaterial {nullptr};
SoTexture2* pcShapeTexture2D {nullptr};
SoGroup* pcTextureGroup3D {nullptr};
SoFCBoundingBox* pcBoundingBox {nullptr};
SoSwitch* pcBoundSwitch {nullptr};
SoBaseColor* pcBoundColor {nullptr};

183
src/Gui/ViewProviderTextureExtension.cpp Normal file
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@@ -0,0 +1,183 @@
// SPDX-License-Identifier: LGPL-2.1-or-later
/***************************************************************************
* Copyright (c) 2024 David Carter <dcarter@david.carter.ca> *
* *
* This file is part of FreeCAD. *
* *
* FreeCAD is free software: you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 2.1 of the *
* License, or (at your option) any later version. *
* *
* FreeCAD 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with FreeCAD. If not, see *
* <https://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
#include <Inventor/nodes/SoCoordinate3.h>
#include <Inventor/nodes/SoIndexedFaceSet.h>
#include <Inventor/nodes/SoMaterial.h>
#include <Inventor/nodes/SoSwitch.h>
#include <Inventor/nodes/SoTexture2.h>
#include <Inventor/nodes/SoTexture3.h>
#endif
#include "ViewProviderTextureExtension.h"
#include <Gui/BitmapFactory.h>
#include <App/Material.h>
using namespace Gui;
EXTENSION_PROPERTY_SOURCE(Gui::ViewProviderTextureExtension, Gui::ViewProviderExtension)
ViewProviderTextureExtension::ViewProviderTextureExtension()
{
initExtensionType(ViewProviderTextureExtension::getExtensionClassTypeId());
pcSwitchAppearance = new SoSwitch;
pcSwitchAppearance->ref();
pcSwitchTexture = new SoSwitch;
pcSwitchTexture->ref();
pcShapeTexture2D = new SoTexture2;
pcShapeTexture2D->ref();
pcTextureGroup3D = new SoGroup;
pcTextureGroup3D->ref();
}
void ViewProviderTextureExtension::setup(SoMaterial* pcShapeMaterial)
{
// Materials go first, with textured faces drawing over them
pcSwitchAppearance->addChild(pcShapeMaterial);
pcSwitchAppearance->addChild(pcSwitchTexture);
pcSwitchTexture->addChild(pcShapeTexture2D);
pcSwitchTexture->addChild(pcTextureGroup3D);
pcSwitchAppearance->whichChild.setValue(0);
pcSwitchTexture->whichChild.setValue(SO_SWITCH_NONE);
}
ViewProviderTextureExtension::~ViewProviderTextureExtension()
{
pcSwitchAppearance->unref();
pcSwitchTexture->unref();
pcShapeTexture2D->unref();
pcTextureGroup3D->unref();
}
SoSwitch* ViewProviderTextureExtension::getAppearance() const
{
return pcSwitchAppearance;
}
SoGroup* ViewProviderTextureExtension::getTextureGroup3D() const
{
return pcTextureGroup3D;
}
void ViewProviderTextureExtension::setCoinAppearance(SoMaterial* pcShapeMaterial, const App::Material& source)
{
#if 0
if (!source.image.empty()) {
Base::Console().Log("setCoinAppearance(Texture)\n");
activateTexture2D();
QByteArray by = QByteArray::fromBase64(QString::fromStdString(source.image).toUtf8());
auto image = QImage::fromData(by, "PNG"); //.scaled(64, 64, Qt::KeepAspectRatio);
SoSFImage texture;
Gui::BitmapFactory().convert(image, texture);
pcShapeTexture2D->image = texture;
} else {
Base::Console().Log("setCoinAppearance(Material)\n");
activateMaterial();
}
#endif
activateMaterial();
// Always set the material for items such as lines that don't support textures
pcShapeMaterial->ambientColor.setValue(source.ambientColor.r,
source.ambientColor.g,
source.ambientColor.b);
pcShapeMaterial->diffuseColor.setValue(source.diffuseColor.r,
source.diffuseColor.g,
source.diffuseColor.b);
pcShapeMaterial->specularColor.setValue(source.specularColor.r,
source.specularColor.g,
source.specularColor.b);
pcShapeMaterial->emissiveColor.setValue(source.emissiveColor.r,
source.emissiveColor.g,
source.emissiveColor.b);
pcShapeMaterial->shininess.setValue(source.shininess);
pcShapeMaterial->transparency.setValue(source.transparency);
}
void ViewProviderTextureExtension::activateMaterial()
{
pcSwitchAppearance->whichChild.setValue(0);
pcSwitchTexture->whichChild.setValue(SO_SWITCH_NONE);
}
void ViewProviderTextureExtension::activateTexture2D()
{
pcSwitchAppearance->whichChild.setValue(1);
pcSwitchTexture->whichChild.setValue(0);
}
void ViewProviderTextureExtension::activateTexture3D()
{
pcSwitchAppearance->whichChild.setValue(1);
pcSwitchTexture->whichChild.setValue(1);
}
void ViewProviderTextureExtension::activateMixed3D()
{
pcSwitchAppearance->whichChild.setValue(SO_SWITCH_ALL);
pcSwitchTexture->whichChild.setValue(1);
}
// ------------------------------------------------------------------------------------------------
EXTENSION_PROPERTY_SOURCE(Gui::ViewProviderFaceTexture, Gui::ViewProviderTextureExtension)
ViewProviderFaceTexture::ViewProviderFaceTexture()
{
initExtensionType(ViewProviderFaceTexture::getExtensionClassTypeId());
// Support for textured faces
pcShapeTexture3D = new SoTexture3;
pcShapeTexture3D->ref();
pcShapeCoordinates = new SoCoordinate3;
pcShapeCoordinates->ref();
pcShapeFaceset = new SoIndexedFaceSet;
pcShapeFaceset->ref();
}
ViewProviderFaceTexture::~ViewProviderFaceTexture()
{
pcShapeTexture3D->unref();
pcShapeCoordinates->unref();
pcShapeFaceset->unref();
}
void ViewProviderFaceTexture::setup(SoMaterial* mat)
{
ViewProviderTextureExtension::setup(mat);
getTextureGroup3D()->addChild(pcShapeTexture3D);
getTextureGroup3D()->addChild(pcShapeCoordinates);
getTextureGroup3D()->addChild(pcShapeFaceset);
}

100
src/Gui/ViewProviderTextureExtension.h Normal file
View File

@@ -0,0 +1,100 @@
// SPDX-License-Identifier: LGPL-2.1-or-later
/***************************************************************************
* Copyright (c) 2024 David Carter <dcarter@david.carter.ca> *
* *
* This file is part of FreeCAD. *
* *
* FreeCAD is free software: you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 2.1 of the *
* License, or (at your option) any later version. *
* *
* FreeCAD 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with FreeCAD. If not, see *
* <https://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#ifndef GUI_VIEWPROVIDERTEXTUREEXT_H
#define GUI_VIEWPROVIDERTEXTUREEXT_H
#include <Gui/ViewProviderExtensionPython.h>
class SoCoordinate3;
class SoGroup;
class SoIndexedFaceSet;
class SoMaterial;
class SoSwitch;
class SoTexture2;
class SoTexture3;
namespace App
{
class Material;
}
namespace Gui
{
class GuiExport ViewProviderTextureExtension: public Gui::ViewProviderExtension
{
EXTENSION_PROPERTY_HEADER_WITH_OVERRIDE(Gui::ViewProviderTextureExtension);
public:
/// Constructor
ViewProviderTextureExtension();
~ViewProviderTextureExtension() override;
void setup(SoMaterial*);
void setCoinAppearance(SoMaterial* pcShapeMaterial, const App::Material& source);
SoSwitch* getAppearance() const;
SoGroup* getTextureGroup3D() const;
/**
* Select which appearance type is active
*
*/
/** Material only */
void activateMaterial();
/** 2D Texture */
void activateTexture2D();
/** 3D texture only */
void activateTexture3D();
/** Mix of material and 3D textures */
void activateMixed3D();
private:
SoSwitch* pcSwitchAppearance {nullptr};
SoSwitch* pcSwitchTexture {nullptr};
SoTexture2* pcShapeTexture2D {nullptr};
SoGroup* pcTextureGroup3D {nullptr};
};
class GuiExport ViewProviderFaceTexture: public Gui::ViewProviderTextureExtension
{
EXTENSION_PROPERTY_HEADER_WITH_OVERRIDE(Gui::ViewProviderFaceTexture);
public:
/// Constructor
ViewProviderFaceTexture();
~ViewProviderFaceTexture() override;
void setup(SoMaterial*);
private:
// Used to support per face textures
SoTexture3 * pcShapeTexture3D;
SoCoordinate3 * pcShapeCoordinates;
SoIndexedFaceSet * pcShapeFaceset;
};
} //namespace Gui
#endif // GUI_VIEWPROVIDERTEXTUREEXT_H