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+ code refactoring for VRML and Inventor export

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This commit is contained in:
wmayer 2015-08-26 18:55:14 +02:00
parent a7a1edbc64
commit 04cb2d4411
3 changed files with 82 additions and 52 deletions
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76
src/Gui/SoFCDB.cpp
View File

@ -23,9 +23,15 @@
#include "PreCompiled.h"
#ifndef _PreComp_
# include <Inventor/actions/SoToVRML2Action.h>
# include <Inventor/VRMLnodes/SoVRMLGroup.h>
# include <Inventor/VRMLnodes/SoVRMLParent.h>
#endif
#include <Base/FileInfo.h>
#include <Base/Stream.h>
#include <zipios++/gzipoutputstream.h>
#include "SoFCDB.h"
#include "SoFCColorBar.h"
#include "SoFCColorLegend.h"
@ -37,6 +43,7 @@
#include "SoFCUnifiedSelection.h"
#include "SoFCSelectionAction.h"
#include "SoFCInteractiveElement.h"
#include "SoFCUnifiedSelection.h"
#include "SoFCVectorizeSVGAction.h"
#include "SoFCVectorizeU3DAction.h"
#include "SoAxisCrossKit.h"
@ -200,3 +207,72 @@ const std::string& Gui::SoFCDB::writeNodesToString(SoNode * root)
free(buffer);
return cReturnString;
}
bool Gui::SoFCDB::writeToVRML(SoNode* node, const char* filename, bool binary)
{
SoVRMLAction vrml2;
vrml2.apply(node);
SoToVRML2Action tovrml2;
tovrml2.apply(node);
SoVRMLGroup* vrmlRoot = tovrml2.getVRML2SceneGraph();
vrmlRoot->ref();
std::string buffer = SoFCDB::writeNodesToString(vrmlRoot);
vrmlRoot->unref(); // release the memory as soon as possible
Base::FileInfo fi(filename);
if (binary) {
// We want to write compressed VRML but Coin 2.4.3 doesn't do it even though
// SoOutput::getAvailableCompressionMethods() delivers a string list that
// contains 'GZIP'. setCompression() was called directly after opening the file,
// returned TRUE and no error message appeared but anyway it didn't work.
// Strange is that reading GZIPped VRML files works.
// So, we do the compression on our own.
Base::ofstream str(fi, std::ios::out | std::ios::binary);
zipios::GZIPOutputStream gzip(str);
if (gzip) {
gzip << buffer;
gzip.close();
return true;
}
}
else {
Base::ofstream str(fi, std::ios::out);
if (str) {
str << buffer;
str.close();
return true;
}
}
return false;
}
bool Gui::SoFCDB::writeToFile(SoNode* node, const char* filename, bool binary)
{
bool ret = false;
Base::FileInfo fi(filename);
// Write VRML V2.0
if (fi.hasExtension("wrl") || fi.hasExtension("vrml") || fi.hasExtension("wrz")) {
// If 'wrz' is set then force compression
if (fi.hasExtension("wrz"))
binary = true;
ret = SoFCDB::writeToVRML(node, filename, binary);
}
else if (fi.hasExtension("iv")) {
// Write Inventor in ASCII
std::string buffer = SoFCDB::writeNodesToString(node);
Base::ofstream str(Base::FileInfo(filename), std::ios::out);
if (str) {
str << buffer;
str.close();
ret = true;
}
}
return ret;
}

3
src/Gui/SoFCDB.h
View File

@ -41,6 +41,9 @@ public:
static void finish();
/// helper to apply a SoWriteAction to a node and write it to a string
static const std::string& writeNodesToString(SoNode * root);
static bool writeToVRML(SoNode* node, const char* filename, bool binary);
// Write to VRML or Inventor file
static bool writeToFile(SoNode* node, const char* filename, bool binary);
};
} // namespace Gui

55
src/Gui/View3DInventorViewer.cpp
View File

@ -91,7 +91,6 @@
#include <Base/FileInfo.h>
#include <Base/Sequencer.h>
#include <Base/Tools.h>
#include <zipios++/gzipoutputstream.h>
#include "View3DInventorViewer.h"
#include "ViewProviderDocumentObject.h"
@ -1130,48 +1129,7 @@ bool View3DInventorViewer::dumpToFile(SoNode* node, const char* filename, bool b
bool ret = false;
Base::FileInfo fi(filename);
// Write VRML V2.0
if (fi.hasExtension("wrl") || fi.hasExtension("vrml") || fi.hasExtension("wrz")) {
// If 'wrz' is set then force compression
if (fi.hasExtension("wrz"))
binary = true;
SoVRMLAction vrml2;
vrml2.apply(node);
SoToVRML2Action tovrml2;
tovrml2.apply(node);
SoVRMLGroup* vrmlRoot = tovrml2.getVRML2SceneGraph();
vrmlRoot->ref();
std::string buffer = SoFCDB::writeNodesToString(vrmlRoot);
vrmlRoot->unref(); // release the memory as soon as possible
if (binary) {
// We want to write compressed VRML but Coin 2.4.3 doesn't do it even though
// SoOutput::getAvailableCompressionMethods() delivers a string list that
// contains 'GZIP'. setCompression() was called directly after opening the file,
// returned TRUE and no error message appeared but anyway it didn't work.
// Strange is that reading GZIPped VRML files works.
// So, we do the compression on our own.
Base::ofstream str(fi, std::ios::out | std::ios::binary);
zipios::GZIPOutputStream gzip(str);
if (gzip) {
gzip << buffer;
gzip.close();
ret = true;
}
}
else {
Base::ofstream str(fi, std::ios::out);
if(str) {
str << buffer;
str.close();
ret = true;
}
}
}
else if (fi.hasExtension("idtf") || fi.hasExtension("svg")) {
if (fi.hasExtension("idtf") || fi.hasExtension("svg")) {
int ps=4;
QColor c = Qt::white;
std::auto_ptr<SoVectorizeAction> vo;
@ -1198,15 +1156,8 @@ bool View3DInventorViewer::dumpToFile(SoNode* node, const char* filename, bool b
out->closeFile();
}
else {
// Write Inventor in ASCII
std::string buffer = SoFCDB::writeNodesToString(node);
Base::ofstream str(Base::FileInfo(filename), std::ios::out);
if (str) {
str << buffer;
str.close();
ret = true;
}
// Try VRML and Inventor format
ret = SoFCDB::writeToFile(node, filename, binary);
}
return ret;