root/OpenSceneGraph/trunk/examples/osgtext3D/TextNode.cpp @ 12597

Revision 12597, 8.2 kB (checked in by robert, 3 years ago)

Resolved warnings reported by g++ 4.6's -Wunused-but-set-variable.

Warnings were:

/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osg/ShapeDrawable.cpp: In member function ‘void PrimitiveShapeVisitor::createHalfSphere(unsigned int, unsigned int, float, int, float, const Matrix&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osg/ShapeDrawable.cpp:1409:11: warning: variable ‘nzBase’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osg/ShapeDrawable.cpp:1410:11: warning: variable ‘nRatioBase’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgUtil/DelaunayTriangulator.cpp: In function ‘osgUtil::Triangle_list osgUtil::fillHole(osg::Vec3Array*, std::vector<unsigned int, std::allocator<unsigned int> >)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgUtil/DelaunayTriangulator.cpp:569:27: warning: variable ‘ptest’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgUtil/DelaunayTriangulator.cpp: In member function ‘bool osgUtil::DelaunayTriangulator::triangulate()’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgUtil/DelaunayTriangulator.cpp:979:45: warning: variable ‘curp’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgUtil/RenderStage.cpp: In member function ‘void osgUtil::RenderStage::runCameraSetUp(osg::RenderInfo?&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgUtil/RenderStage.cpp:631:18: warning: variable ‘stencilAttached’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgText/FadeText.cpp: In member function ‘void FadeTextPolytopeData::buildPolytope()’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgText/FadeText.cpp:74:20: warning: variable ‘edge23’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgText/FadeText.cpp:75:20: warning: variable ‘edge30’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgText/Text.cpp: In member function ‘void osgText::Text::computeBackdropPositions(unsigned int) const’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgText/Text.cpp:747:10: warning: variable ‘is_valid_size’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgGA/NodeTrackerManipulator.cpp: In member function ‘virtual bool osgGA::NodeTrackerManipulator::performMovementLeftMouseButton(double, double, double)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgGA/NodeTrackerManipulator.cpp:257:21: warning: variable ‘lookVector’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgGA/NodeTrackerManipulator.cpp:259:21: warning: variable ‘upVector’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgGA/TerrainManipulator.cpp: In member function ‘virtual bool osgGA::TerrainManipulator::performMovementMiddleMouseButton(double, double, double)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgGA/TerrainManipulator.cpp:217:11: warning: variable ‘lookVector’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgGA/TerrainManipulator.cpp:219:11: warning: variable ‘upVector’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgVolume/FixedFunctionTechnique.cpp: In member function ‘virtual void osgVolume::FixedFunctionTechnique::init()’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgVolume/FixedFunctionTechnique.cpp:124:30: warning: variable ‘tf’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgParticle/FluidProgram.cpp: In member function ‘virtual void osgParticle::FluidProgram::execute(double)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgParticle/FluidProgram.cpp:38:23: warning: variable ‘velBefore’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgShadow/ParallelSplitShadowMap.cpp: In member function ‘virtual void osgShadow::ParallelSplitShadowMap::cull(osgUtil::CullVisitor?&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgShadow/ParallelSplitShadowMap.cpp:593:22: warning: variable ‘bb’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgTerrain/GeometryTechnique.cpp: In member function ‘virtual void osgTerrain::GeometryTechnique::generateGeometry(osgTerrain::GeometryTechnique::BufferData?&, osgTerrain::Locator*, const osg::Vec3d&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgTerrain/GeometryTechnique.cpp:777:12: warning: variable ‘i_sampleFactor’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgTerrain/GeometryTechnique.cpp:778:12: warning: variable ‘j_sampleFactor’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/dds/ReaderWriterDDS.cpp: In function ‘osg::Image* ReadDDSFile(std::istream&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/dds/ReaderWriterDDS.cpp:314:10: warning: variable ‘is3dImage’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/dds/ReaderWriterDDS.cpp: In function ‘bool WriteDDSFile(const osg::Image*, std::ostream&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/dds/ReaderWriterDDS.cpp:721:10: warning: variable ‘is3dImage’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/hdr/hdrloader.cpp: In static member function ‘static bool HDRLoader::load(const char*, bool, HDRLoaderResult&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/hdr/hdrloader.cpp:101:10: warning: variable ‘cmd’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/vtf/ReaderWriterVTF.cpp: In function ‘osg::Image* ReadVTFFile(std::istream&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/vtf/ReaderWriterVTF.cpp:360:23: warning: variable ‘base’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/jp2/ReaderWriterJP2.cpp: In function ‘int putdata(jas_stream_t*, jas_image_t*, int)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/jp2/ReaderWriterJP2.cpp:41:13: warning: variable ‘linelen’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/Inventor/ConvertToInventor.cpp: In member function ‘void ConvertToInventor::processGeometry(const osg::Geometry*, ConvertToInventor::InventorState?*)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/Inventor/ConvertToInventor.cpp:1639:10: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/Inventor/ConvertFromInventor.cpp: In member function ‘virtual SbBool? SoVRMLImageTextureOsg::readInstance(SoInput?*, short unsigned int)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/Inventor/ConvertFromInventor.cpp:1264:16: warning: variable ‘retval’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/OpenFlight/GeometryRecords.cpp: In member function ‘virtual void flt::Face::readRecord(flt::RecordInputStream?&, flt::Document&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/OpenFlight/GeometryRecords.cpp:369:19: warning: variable ‘secondaryPackedColor’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/OpenFlight/GeometryRecords.cpp: In member function ‘virtual void flt::Mesh::readRecord(flt::RecordInputStream?&, flt::Document&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/OpenFlight/GeometryRecords.cpp:942:19: warning: variable ‘secondaryPackedColor’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/OpenFlight/ReaderWriterFLT.cpp: In member function ‘virtual osgDB::ReaderWriter::ReadResult? FLTReaderWriter::readNode(std::istream&, const Options*) const’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/OpenFlight/ReaderWriterFLT.cpp:427:40: warning: variable ‘pos’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/ive/ShapeAttributeList.cpp: In member function ‘void ive::ShapeAttributeList::write(ive::DataOutputStream?*)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/ive/ShapeAttributeList.cpp:31:48: warning: variable ‘it’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/ac/Geode.cpp: In member function ‘void ac3d::Geode::ProcessGeometry?(std::ostream&, unsigned int)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/ac/Geode.cpp:806:35: warning: variable ‘fRep_s’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/ac/Geode.cpp:806:43: warning: variable ‘fRep_t’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/ac/Geode.cpp:807:35: warning: variable ‘fOffset_s’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/ac/Geode.cpp:807:46: warning: variable ‘fOffset_t’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/ac/Geode.cpp:932:38: warning: variable ‘primLength’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/txp/trpage_geom.cpp: In member function ‘virtual bool trpgGeometry::Write(trpgWriteBuffer&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/txp/trpage_geom.cpp:615:19: warning: variable ‘u’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/txp/trpage_material.cpp: In member function ‘int trpgMatTable::AddMaterial?(const trpgMaterial&, bool)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/txp/trpage_material.cpp:103:10: warning: variable ‘spaceInTable’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/txp/trpage_rarchive.cpp: In member function ‘virtual bool trpgr_Archive::ReadHeader?(bool)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/txp/trpage_rarchive.cpp:261:14: warning: variable ‘headerHasTexTable’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/zip/unzip.cpp: In member function ‘ZRESULT TUnzip::Get(int, ZIPENTRY*)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/zip/unzip.cpp:4055:8: warning: variable ‘hidden’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/zip/unzip.cpp:4055:22: warning: variable ‘system’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/zip/unzip.cpp:4055:36: warning: variable ‘archive’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/zip/ZipArchive.cpp: In member function ‘virtual bool ZipArchive::getFileNames(osgDB::Archive::FileNameList?&) const’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/zip/ZipArchive.cpp:91:37: warning: variable ‘iterEnd’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/pvr/ReaderWriterPVR.cpp: In member function ‘osgDB::ReaderWriter::ReadResult? ReaderWriterPVR::readPVRStream(std::istream&) const’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/pvr/ReaderWriterPVR.cpp:155:14: warning: variable ‘hasAlpha’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgViewer/View.cpp: In function ‘osg::Geometry* create3DSphericalDisplayDistortionMesh(const Vec3&, const Vec3&, const Vec3&, double, double, osg::Image*, const Matrix&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgViewer/View.cpp:737:15: warning: variable ‘cursor’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgViewer/View.cpp: In function ‘osg::Geometry* createParoramicSphericalDisplayDistortionMesh(const Vec3&, const Vec3&, const Vec3&, double, double, osg::Image*, const Matrix&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgViewer/View.cpp:1130:19: warning: variable ‘cursor’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgViewer/View.cpp:1118:15: warning: variable ‘dx’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgViewer/GraphicsWindowX11.cpp: In member function ‘virtual void osgViewer::GraphicsWindowX11::checkEvents()’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgViewer/GraphicsWindowX11.cpp:1181:10: warning: variable ‘destroyWindowRequested’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/cfg/ConfigParser.cpp: In member function ‘bool osgProducer::CameraConfig::parseFile(const string&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/cfg/ConfigParser.cpp:2247:13: warning: variable ‘result’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgQt/QGraphicsViewAdapter.cpp: In member function ‘bool osgQt::QGraphicsViewAdapter::handlePointerEvent(int, int, int)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgQt/QGraphicsViewAdapter.cpp:344:17: warning: variable ‘viewportGeometry’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgdistortion/osgdistortion.cpp: In function ‘osg::Node* createDistortionSubgraph(osg::Node*, const Vec4&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgdistortion/osgdistortion.cpp:125:19: warning: variable ‘cursor’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgdistortion/osgdistortion.cpp:126:19: warning: variable ‘texcoord’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgdistortion/osgdistortion.cpp: In function ‘osg::Geometry* createDomeDistortionMesh(const Vec3&, const Vec3&, const Vec3&, osg::ArgumentParser?&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgdistortion/osgdistortion.cpp:358:15: warning: variable ‘cursor’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgposter/osgposter.cpp: In function ‘int main(int, char**)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgposter/osgposter.cpp:253:31: warning: variable ‘outputTiles’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgthreadedterrain/osgthreadedterrain.cpp: In function ‘int main(int, char**)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgthreadedterrain/osgthreadedterrain.cpp:669:10: warning: variable ‘readParameter’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgtext3D/TextNode.cpp: In member function ‘virtual void osgText::Layout::layout(osgText::TextNode?&) const’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgtext3D/TextNode.cpp:80:11: warning: variable ‘characterHeightScale’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgvolume/osgvolume.cpp: In function ‘int main(int, char**)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgvolume/osgvolume.cpp:678:38: warning: variable ‘internalFormatMode’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgwidgetcanvas/osgwidgetcanvas.cpp: In function ‘bool windowMouseOver(osgWidget::Event&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgwidgetcanvas/osgwidgetcanvas.cpp:27:24: warning: variable ‘xy’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgwidgetcanvas/osgwidgetcanvas.cpp: In function ‘bool widgetMouseOver(osgWidget::Event&)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/examples/osgwidgetcanvas/osgwidgetcanvas.cpp:35:24: warning: variable ‘xy’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/p3d/ReaderWriterP3D.cpp: In member function ‘osg::Node* ReaderWriterP3DXML::parseXmlGraph(osgDB::XmlNode?*, bool, osgDB::Options*) const’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/src/osgPlugins/p3d/ReaderWriterP3D.cpp:2121:10: warning: variable ‘readSlide’ set but not used [-Wunused-but-set-variable]
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/applications/present3D/present3D.cpp: In function ‘int main(int, char**)’:
/home/stephan/Dev/LibSources/OpenSceneGraph-3.0.0-rc2/applications/present3D/present3D.cpp:639:10: warning: variable ‘sizesSpecified’ set but not used [-Wunused-but-set-variable]

  • Property svn:eol-style set to native
Line 
1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#include "TextNode.h"
15#include "../../src/osgText/GlyphGeometry.h"
16
17#include <osg/PositionAttitudeTransform>
18#include <osg/Geode>
19#include <osgUtil/SmoothingVisitor>
20
21#include <osg/io_utils>
22
23using namespace osgText;
24
25/////////////////////////////////////////////////////////////////////////////////////////
26//
27// Layout
28//
29Layout::Layout()
30{
31}
32
33Layout::Layout(const Layout& layout, const osg::CopyOp& copyop):
34    osg::Object(layout,copyop)
35{
36}
37
38osg::ref_ptr<Layout>& Layout::getDefaultLayout()
39{
40    static OpenThreads::Mutex s_DefaultLayoutMutex;
41    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(s_DefaultLayoutMutex);
42
43    static osg::ref_ptr<Layout> s_defaultLayout = new Layout;
44    return s_defaultLayout;
45}
46
47void Layout::layout(TextNode& text) const
48{
49    OSG_NOTICE<<"Layout::layout"<<std::endl;
50
51    Font* font = text.getActiveFont();
52    Style* style = text.getActiveStyle();
53    TextTechnique* technique = text.getTextTechnique();
54    const String& str = text.getText();
55
56    if (!text.getTextTechnique())
57    {
58        OSG_NOTICE<<"Warning: no TextTechnique assigned to Layout"<<std::endl;
59        return;
60    }
61
62    osg::Vec3 pos(0.0f,0.0f,0.0f);
63    float characterSize = text.getCharacterSize();
64    osg::Vec3 size(characterSize, characterSize, 0.0);
65    if (style)
66    {
67        size.y() = characterSize;
68        size.z() = characterSize;
69    }
70
71
72    osgText::FontResolution resolution(32,32);
73    if (style)
74    {
75        resolution.first = static_cast<unsigned int>(static_cast<float>(resolution.first)*style->getSampleDensity());
76        resolution.second = static_cast<unsigned int>(static_cast<float>(resolution.second)*style->getSampleDensity());
77    }
78
79    float characterWidthScale = 1.0f;
80
81    bool textIs3D = (style && style->getThicknessRatio()!=0.0);
82    if (!textIs3D)
83    {
84        characterWidthScale = 1.0f/static_cast<float>(resolution.first);
85    }
86
87    osgText::KerningType kerningType = osgText::KERNING_DEFAULT;
88
89    technique->start();
90
91    unsigned int previousCharcode = 0;
92    for(unsigned int i=0; i<str.size(); ++i)
93    {
94        unsigned int charcode = str[i];
95
96        if (size.z()==0.0f)
97        {
98            osgText::Glyph* glyph = font->getGlyph(resolution, charcode);
99            if (glyph)
100            {
101                technique->addCharacter(pos, size, glyph, style);
102                pos += osg::Vec3(size.x()*(glyph->getHorizontalAdvance()*characterWidthScale), 0.0f ,0.0f);
103            }
104        }
105        else
106        {
107            osgText::Glyph3D* glyph = font->getGlyph3D(charcode);
108            OSG_NOTICE<<"pos = "<<pos<<", charcode="<<charcode<<", glyph="<<glyph<< std::endl;
109            if (glyph)
110            {
111                osg::Vec3 local_scale( size );
112                technique->addCharacter(pos, local_scale, glyph, style);
113                pos += osg::Vec3(size.x()*glyph->getWidth(), 0.0f ,0.0f);
114            }
115        }
116
117        if (previousCharcode!=0 && charcode!=0)
118        {
119            osg::Vec2 offset = font->getKerning(previousCharcode, charcode, kerningType);
120            OSG_NOTICE<<"  offset = "<<offset<< std::endl;
121            pos.x() += offset.x();
122            pos.y() += offset.y();
123        }
124
125        previousCharcode = charcode;
126    }
127
128    technique->finish();
129}
130
131
132/////////////////////////////////////////////////////////////////////////////////////////
133//
134// TextTechnique
135//
136TextTechnique::TextTechnique():
137    _textNode(0)
138{
139}
140
141
142TextTechnique::TextTechnique(const TextTechnique& technique, const osg::CopyOp& copyop):
143    osg::Object(technique, copyop),
144    _textNode(0)
145{
146}
147
148osg::ref_ptr<TextTechnique>& TextTechnique::getDefaultTextTechinque()
149{
150    static OpenThreads::Mutex s_DefaultTextTechniqueMutex;
151    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(s_DefaultTextTechniqueMutex);
152
153    static osg::ref_ptr<TextTechnique> s_defaultTextTechnique = new TextTechnique;
154    return s_defaultTextTechnique;
155}
156
157void TextTechnique::start()
158{
159    OSG_NOTICE<<"TextTechnique::start()"<<std::endl;
160}
161
162void TextTechnique::addCharacter(const osg::Vec3& position, const osg::Vec3& size, Glyph* glyph, Style* style)
163{
164    OSG_NOTICE<<"TextTechnique::addCharacter 2D("<<position<<", "<<size<<", "<<glyph<<", "<<style<<")"<<std::endl;
165}
166
167void TextTechnique::addCharacter(const osg::Vec3& position, const osg::Vec3& size, Glyph3D* glyph, Style* style)
168{
169    OSG_NOTICE<<"TextTechnique::addCharacter 3D("<<position<<", "<<size<<", "<<glyph<<", "<<style<<")"<<std::endl;
170
171    osg::ref_ptr<osg::PositionAttitudeTransform> transform = new osg::PositionAttitudeTransform;
172    transform->setPosition(position);
173    transform->setAttitude(osg::Quat(osg::inDegrees(90.0),osg::Vec3d(1.0,0.0,0.0)));
174    transform->setScale(size);
175
176    osg::ref_ptr<osg::Geode> geode = new osg::Geode;
177
178    const Bevel* bevel = style ? style->getBevel() : 0;
179    bool outline = style ? style->getOutlineRatio()>0.0f : false;
180    float width = style->getThicknessRatio();
181    float creaseAngle = 30.0f;
182    bool smooth = true;
183
184    if (bevel)
185    {
186        float thickness = bevel->getBevelThickness();
187
188        osg::ref_ptr<osg::Geometry> glyphGeometry = osgText::computeGlyphGeometry(glyph, thickness, width);
189        osg::ref_ptr<osg::Geometry> textGeometry = osgText::computeTextGeometry(glyphGeometry.get(), *bevel, width);
190        osg::ref_ptr<osg::Geometry> shellGeometry = outline ? osgText::computeShellGeometry(glyphGeometry.get(), *bevel, width) : 0;
191        if (textGeometry.valid()) geode->addDrawable(textGeometry.get());
192        if (shellGeometry.valid()) geode->addDrawable(shellGeometry.get());
193
194        // create the normals
195        if (smooth && textGeometry.valid())
196        {
197            osgUtil::SmoothingVisitor::smooth(*textGeometry, osg::DegreesToRadians(creaseAngle));
198        }
199    }
200    else
201    {
202        osg::ref_ptr<osg::Geometry> textGeometry = osgText::computeTextGeometry(glyph, width);
203        if (textGeometry.valid()) geode->addDrawable(textGeometry.get());
204
205        // create the normals
206        if (smooth && textGeometry.valid())
207        {
208            osgUtil::SmoothingVisitor::smooth(*textGeometry, osg::DegreesToRadians(creaseAngle));
209        }
210    }
211
212    transform->addChild(geode.get());
213
214    _textNode->addChild(transform.get());
215
216    transform->getOrCreateStateSet()->setMode(GL_NORMALIZE, osg::StateAttribute::ON);
217
218}
219
220void TextTechnique::finish()
221{
222    OSG_NOTICE<<"TextTechnique::finish()"<<std::endl;
223}
224
225void TextTechnique::traverse(osg::NodeVisitor& nv)
226{
227    // OSG_NOTICE<<"TextTechnique::traverse()"<<std::endl;
228    if (_textNode) _textNode->osg::Group::traverse(nv);
229}
230
231/////////////////////////////////////////////////////////////////////////////////////////
232//
233// TextNode
234//
235TextNode::TextNode():
236        _characterSize(1.0f)
237{
238}
239
240
241TextNode::TextNode(const TextNode& text, const osg::CopyOp& copyop):
242    osg::Group(text, copyop)
243{
244}
245
246TextNode::~TextNode()
247{
248    setTextTechnique(0);
249}
250
251void TextNode::traverse(osg::NodeVisitor& nv)
252{
253    if (_technique.valid())
254    {
255        _technique->traverse(nv);
256    }
257    else
258    {
259        Group::traverse(nv);
260    }
261}
262
263void TextNode::setTextTechnique(TextTechnique* technique)
264{
265    if (_technique==technique) return;
266
267    if (_technique.valid()) _technique->setTextNode(0);
268
269    if (TextTechnique::getDefaultTextTechinque()==technique)
270    {
271        OSG_NOTICE<<"Warning: Attempt to assign DefaultTextTechnique() prototype to TextNode::setTextTechnique(..), assigning a clone() of it instead."<<std::endl;
272        technique = new TextTechnique(*TextTechnique::getDefaultTextTechinque());
273    }
274
275    _technique = technique;
276
277    if (_technique.valid()) _technique->setTextNode(this);
278}
279
280
281void TextNode::update()
282{
283    getActiveLayout()->layout(*this);
284}
285
286void TextNode::setText(const std::string& str)
287{
288    _string.set(str);
289}
Note: See TracBrowser for help on using the browser.