First cut of new osgText implementation.
This commit is contained in:
Robert Osfield
@@ -44,339 +44,137 @@ using namespace osgGLUT;
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#define TEXT_COL_3D osg::Vec4(.99,.3,.2,1)
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std::string ttfPath("fonts/times.ttf");
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std::string ttfPath1("fonts/arial.ttf");
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std::string timesFont("fonts/times.ttf");
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std::string arialFont("fonts/arial.ttf");
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int gFontSize=18;
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int gFontSize1=24;
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std::vector<osg::ref_ptr<osgText::Text > > gTextList;
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osgText::Text::AlignmentType gAlignment=osgText::Text::LEFT_BOTTOM;
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std::vector<osgText::Text*> gTextList;
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osgText::Text::AlignmentType gAlignment=osgText::Text::BASE_LINE;
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void set2dScene(osg::Group* rootNode)
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{
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osgText::Text* text;
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osg::Geode* geode;
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osg::StateSet* textState;
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double xOffset=150;
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double yOffset=gFontSize+10;
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///////////////////////////////////////////////////////////////////////////
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// setup the texts
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///////////////////////////////////////////////////////////////////////////
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// BitmapFont
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osgText::BitmapFont* bitmapFont= new osgText::BitmapFont(ttfPath,
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gFontSize1);
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text= new osgText::Text(bitmapFont);
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gTextList.push_back(text);
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text->setText(std::string("2d ")+std::string(TEXT_BITMAP));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_2D);
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geode = new osg::Geode();
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geode->setName("BitmapFont");
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geode->addDrawable( text );
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rootNode->addChild(geode);
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xOffset+=90;
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yOffset+=120;
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///////////////////////////////////////////////////////////////////////////
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// PixmapFont
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osgText::PixmapFont* pixmapFont= new osgText::PixmapFont(ttfPath,
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gFontSize1);
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text= new osgText::Text(pixmapFont);
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gTextList.push_back(text);
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text->setText(std::string("2d ")+std::string(TEXT_PIXMAP));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_2D);
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geode = new osg::Geode();
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geode->setName("PixmapFont");
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geode->addDrawable( text );
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// to get antiaA pixmapFonts we have to draw them with blending
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osg::BlendFunc *transp= new osg::BlendFunc();
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transp->setFunction(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
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textState = new osg::StateSet();
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textState->setAttributeAndModes(transp,osg::StateAttribute::ON);
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textState->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
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geode->setStateSet( textState );
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rootNode->addChild(geode);
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xOffset+=90;
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yOffset+=120;
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///////////////////////////////////////////////////////////////////////////
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// TextureFont
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osgText::TextureFont* textureFont= new osgText::TextureFont(ttfPath1,
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gFontSize1);
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text= new osgText::Text(textureFont);
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gTextList.push_back(text);
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text->setText(std::string("2d ")+std::string(TEXT_TEXTURE));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_2D);
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geode = new osg::Geode();
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geode->setName("TextureFont");
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geode->addDrawable( text );
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// to get antiaA pixmapFonts we have to draw them with blending
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transp= new osg::BlendFunc();
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transp->setFunction(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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textState = new osg::StateSet();
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textState->setAttributeAndModes(transp,osg::StateAttribute::ON);
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textState->setTextureMode(0,GL_TEXTURE_2D,osg::StateAttribute::ON);
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textState->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
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geode->setStateSet( textState );
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rootNode->addChild(geode);
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xOffset+=90;
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yOffset+=120;
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///////////////////////////////////////////////////////////////////////////
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// PolygonFont
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osgText::PolygonFont* polygonFont= new osgText::PolygonFont(ttfPath,
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gFontSize1,
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3);
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text= new osgText::Text(polygonFont);
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gTextList.push_back(text);
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text->setText(std::string("2d ")+std::string("TEXT_POLYGON"));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_2D);
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geode = new osg::Geode();
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geode->setName("PolygonFont");
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geode->addDrawable( text );
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rootNode->addChild(geode);
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xOffset+=90;
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yOffset+=120;
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///////////////////////////////////////////////////////////////////////////
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// OutlineFont
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osgText::OutlineFont* outlineFont= new osgText::OutlineFont(ttfPath,
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gFontSize1,
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3);
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text= new osgText::Text(outlineFont);
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gTextList.push_back(text);
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text->setText(std::string("2d ")+std::string(TEXT_OUTLINE));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_2D);
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geode = new osg::Geode();
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geode->setName("OutlineFont");
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geode->addDrawable( text );
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osg::Geode* geode = new osg::Geode();
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rootNode->addChild(geode);
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// now add a depth attribute to the scene to force it to draw on top.
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osg::Depth* depth = new osg::Depth;
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depth->setRange(0.0,0.0);
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osg::StateSet* rootState = new osg::StateSet();
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rootState->setAttribute(depth);
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rootNode->setStateSet(rootState);
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osg::Vec3 position(150.0f,10.0f,0.0f);
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osg::Vec3 delta(90.0f,120.0f,0.0f);
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{
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osgText::Text* text = new osgText::Text;
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geode->addDrawable( text );
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gTextList.push_back(text);
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text->setFont(timesFont);
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text->setFontSize(gFontSize,gFontSize);
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text->setText("String 1");
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text->setPosition(position);
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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position += delta;
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}
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{
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osgText::Text* text = new osgText::Text;
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geode->addDrawable( text );
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gTextList.push_back(text);
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text->setFont(timesFont);
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text->setFontSize(gFontSize,gFontSize);
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text->setText("String 1");
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text->setPosition(position);
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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position += delta;
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}
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{
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osgText::Text* text = new osgText::Text;
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geode->addDrawable( text );
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gTextList.push_back(text);
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text->setFont(timesFont);
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text->setFontSize(gFontSize,gFontSize);
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text->setText("String 1");
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text->setPosition(position);
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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position += delta;
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}
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}
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void setScene(osg::Group* rootNode)
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{
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osgText::Text* text;
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osg::Geode* geode;
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osg::StateSet* textState;
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double xOffset=0;
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double yOffset=0;
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///////////////////////////////////////////////////////////////////////////
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// setup the texts
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///////////////////////////////////////////////////////////////////////////
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// BitmapFont
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osgText::BitmapFont* bitmapFont= new osgText::BitmapFont(ttfPath,
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gFontSize);
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text= new osgText::Text(bitmapFont);
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gTextList.push_back(text);
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text->setText(std::string(TEXT_BITMAP));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_3D);
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geode = new osg::Geode();
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geode->setName("BitmapFont");
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geode->addDrawable( text );
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/*
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osg::Material* textMaterial = new osg::Material();
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textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
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textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK,TEXT_COL_3D);
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textState = new osg::StateSet();
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textState->setAttribute(textMaterial );
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geode->setStateSet( textState );
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*/
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osg::Geode* geode = new osg::Geode();
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rootNode->addChild(geode);
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osg::Vec3 position(150.0f,10.0f,0.0f);
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osg::Vec3 delta(90.0f,120.0f,0.0f);
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yOffset+=gFontSize+5;
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{
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osgText::Text* text = new osgText::Text;
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geode->addDrawable( text );
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gTextList.push_back(text);
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///////////////////////////////////////////////////////////////////////////
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// PixmapFont
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osgText::PixmapFont* pixmapFont= new osgText::PixmapFont(ttfPath,
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gFontSize);
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text= new osgText::Text(pixmapFont);
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gTextList.push_back(text);
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text->setText(std::string(TEXT_PIXMAP));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_3D);
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geode = new osg::Geode();
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geode->setName("PixmapFont");
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geode->addDrawable( text );
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text->setFont(timesFont);
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text->setFontSize(gFontSize,gFontSize);
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text->setText("String 1");
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text->setPosition(position);
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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position += delta;
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}
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// textMaterial = new osg::Material();
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// textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
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// textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK,TEXT_COL_3D);
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// to get antiaA pixmapFonts we have to draw them with blending
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osg::BlendFunc *transp= new osg::BlendFunc();
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transp->setFunction(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
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textState = new osg::StateSet();
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// textState->setAttribute(textMaterial );
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textState->setAttribute(transp);
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textState->setMode(GL_BLEND,osg::StateAttribute::ON);
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textState->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
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geode->setStateSet( textState );
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{
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osgText::Text* text = new osgText::Text;
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geode->addDrawable( text );
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gTextList.push_back(text);
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rootNode->addChild(geode);
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text->setFont(timesFont);
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text->setFontSize(gFontSize,gFontSize);
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text->setText("String 1");
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text->setPosition(position);
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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position += delta;
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}
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yOffset+=gFontSize+5;
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///////////////////////////////////////////////////////////////////////////
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// TextureFont
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osgText::TextureFont* textureFont= new osgText::TextureFont(ttfPath,
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gFontSize);
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text= new osgText::Text(textureFont);
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gTextList.push_back(text);
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text->setText(std::string(TEXT_TEXTURE));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_3D);
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geode = new osg::Geode();
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geode->setName("TextureFont");
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geode->addDrawable( text );
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{
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osgText::Text* text = new osgText::Text;
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geode->addDrawable( text );
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gTextList.push_back(text);
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// textMaterial = new osg::Material();
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// textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
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// textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK,TEXT_COL_3D);
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// to get antiaA pixmapFonts we have to draw them with blending
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transp= new osg::BlendFunc();
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transp->setFunction(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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textState = new osg::StateSet();
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// textState->setAttribute(textMaterial );
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textState->setAttribute(transp);
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textState->setMode(GL_BLEND,osg::StateAttribute::ON);
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textState->setTextureMode(0,GL_TEXTURE_2D,osg::StateAttribute::ON);
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textState->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
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geode->setStateSet( textState );
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rootNode->addChild(geode);
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yOffset+=gFontSize+5;
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///////////////////////////////////////////////////////////////////////////
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// PolygonFont
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osgText::PolygonFont* polygonFont= new osgText::PolygonFont(ttfPath,
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gFontSize,
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3);
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text= new osgText::Text(polygonFont);
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gTextList.push_back(text);
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text->setText(std::string(TEXT_POLYGON));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_3D);
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geode = new osg::Geode();
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geode->setName("PolygonFont");
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geode->addDrawable( text );
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// textMaterial = new osg::Material();
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// textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
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// textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK,TEXT_COL_3D);
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// textState = new osg::StateSet();
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// textState->setAttribute(textMaterial );
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// geode->setStateSet( textState );
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rootNode->addChild(geode);
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yOffset+=gFontSize+5;
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///////////////////////////////////////////////////////////////////////////
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// OutlineFont
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osgText::OutlineFont* outlineFont= new osgText::OutlineFont(ttfPath,
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gFontSize,
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3);
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text= new osgText::Text(outlineFont);
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gTextList.push_back(text);
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text->setText(std::string(TEXT_OUTLINE));
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text->setPosition(osg::Vec3(xOffset,yOffset,0));
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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text->setColor(TEXT_COL_3D);
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geode = new osg::Geode();
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geode->setName("OutlineFont");
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geode->addDrawable( text );
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// textMaterial = new osg::Material();
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// textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
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// textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK,TEXT_COL_3D);
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// textState = new osg::StateSet();
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// textState->setAttribute(textMaterial );
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// geode->setStateSet( textState );
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rootNode->addChild(geode);
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text->setFont(timesFont);
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text->setFontSize(gFontSize,gFontSize);
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text->setText("String 1");
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text->setPosition(position);
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text->setDrawMode( osgText::Text::TEXT |
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osgText::Text::BOUNDINGBOX |
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osgText::Text::ALIGNMENT );
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text->setAlignment(gAlignment);
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position += delta;
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}
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}
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@@ -474,44 +272,33 @@ protected:
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{
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case '1':
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{ // change DrawMode
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std::vector<osg::ref_ptr<osgText::Text> >::iterator itr=gTextList.begin();
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std::vector<osgText::Text*>::iterator itr=gTextList.begin();
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for(;itr!=gTextList.end();itr++)
|
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(*itr)->setDrawMode(osgText::Text::TEXT ^ (*itr)->getDrawMode());
|
||||
}
|
||||
return;
|
||||
case '2':
|
||||
{ // change DrawMode
|
||||
std::vector<osg::ref_ptr<osgText::Text> >::iterator itr=gTextList.begin();
|
||||
std::vector<osgText::Text*>::iterator itr=gTextList.begin();
|
||||
for(;itr!=gTextList.end();itr++)
|
||||
(*itr)->setDrawMode(osgText::Text::BOUNDINGBOX ^ (*itr)->getDrawMode());
|
||||
}
|
||||
return;
|
||||
case '3':
|
||||
{ // change DrawMode
|
||||
std::vector<osg::ref_ptr<osgText::Text> >::iterator itr=gTextList.begin();
|
||||
std::vector<osgText::Text*>::iterator itr=gTextList.begin();
|
||||
for(;itr!=gTextList.end();itr++)
|
||||
(*itr)->setDrawMode(osgText::Text::ALIGNMENT ^ (*itr)->getDrawMode());
|
||||
}
|
||||
return;
|
||||
///////////////////////////////////////////////////////////////////
|
||||
case '4':
|
||||
{ // change BoundingBoxType to GEOMETRY
|
||||
std::vector<osg::ref_ptr<osgText::Text> >::iterator itr=gTextList.begin();
|
||||
osgText::Text::BoundingBoxType type=(*itr)->getBoundingBox()==osgText::Text::GLYPH ?
|
||||
osgText::Text::GEOMETRY :
|
||||
osgText::Text::GLYPH;
|
||||
for(;itr!=gTextList.end();itr++)
|
||||
(*itr)->setBoundingBox(type);
|
||||
}
|
||||
return;
|
||||
///////////////////////////////////////////////////////////////////
|
||||
case '5':
|
||||
{ // change the textAlignment
|
||||
gAlignment=(osgText::Text::AlignmentType)((int)gAlignment+1);
|
||||
if(gAlignment>osgText::Text::RIGHT_BOTTOM)
|
||||
if(gAlignment>osgText::Text::BASE_LINE)
|
||||
gAlignment=osgText::Text::LEFT_TOP;
|
||||
|
||||
std::vector<osg::ref_ptr<osgText::Text> >::iterator itr=gTextList.begin();
|
||||
std::vector<osgText::Text*>::iterator itr=gTextList.begin();
|
||||
for(;itr!=gTextList.end();itr++)
|
||||
(*itr)->setAlignment(gAlignment);
|
||||
}
|
||||
@@ -532,9 +319,9 @@ int main( int argc, char **argv )
|
||||
|
||||
// get the fontName
|
||||
if(argc > 1)
|
||||
ttfPath=argv[1];
|
||||
timesFont=argv[1];
|
||||
if(argc > 2)
|
||||
ttfPath1=argv[2];
|
||||
arialFont=argv[2];
|
||||
if(argc > 3)
|
||||
{
|
||||
gFontSize=atoi(argv[3]);
|
||||
|
||||
Reference in New Issue
Block a user