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First cut of new osgText implementation.

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This commit is contained in:
Robert Osfield
2003-03-02 21:05:05 +00:00
parent a826f5ee31
commit fbe674b321
71 changed files with 1933 additions and 7226 deletions
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2
examples/osgtext/Makefile.inst
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@@ -4,7 +4,7 @@ include $(TOPDIR)/Make/makedefs
CXXFILES =\
osgtext.cpp\
LIBS += -losgText -losgProducer -lProducer $(OSG_LIBS) -L/usr/local/lib $(FREETYPE_LIB) $(GLUT_LIB) $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
LIBS += -osgText -losgProducer -lProducer $(OSG_LIBS) -L/usr/local/lib $(FREETYPE_LIB) $(GLUT_LIB) $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
EXEC = osgtext

318
examples/osgtext/osgtext.cpp
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@@ -21,218 +21,109 @@
#include <osg/Depth>
#include <osg/Projection>
#include <osg/MatrixTransform>
#include <osgText/Text>
///////////////////////////////////////////////////////////////////////////////
// globals
#define TEXT_POLYGON "Polygon Font - jygq"
#define TEXT_OUTLINE "Outline Font - jygq"
#define TEXT_TEXTURE "Texture Font - jygq"
#define TEXT_BITMAP "Bitmap Font - jygq"
#define TEXT_PIXMAP "Pixmap Font - jygq"
#define TEXT_COL_2D osg::Vec4(.9,.9,.9,1)
#define TEXT_COL_3D osg::Vec4(.99,.3,.2,1)
std::string ttfPath("fonts/times.ttf");
std::string ttfPath1("fonts/arial.ttf");
int gFontSize=18;
int gFontSize1=24;
std::vector<osg::ref_ptr<osgText::Text > > gTextList;
osgText::Text::AlignmentType gAlignment=osgText::Text::LEFT_BOTTOM;
osg::Group* createText()
osg::Group* createHUDText()
{
osg::Geode* geode = new osg::Geode;
osgText::Text* text1 = new osgText::Text;
text1->setCharacterSize(12.0f);
text1->setText("20 GOTO 10");
geode->addDrawable(text1);
osgText::Text* text2 = new osgText::Text;
text2->setPosition(osg::Vec3(0.0f,50.0f,0.0f));
text2->setCharacterSize(12.0f);
text2->setText("10 PRINT \"Hello World\"");
geode->addDrawable(text2);
osgText::Text* text3 = new osgText::Text;
text3->setFont(osgText::readFontFile("fonts/arial.ttf"));
text3->setPosition(osg::Vec3(100.0f,100.0f,0.0f));
text3->setText("This is a test of text AVAV/.|<7C>!<21>$%^&*() - fonts/arial.ttf");
geode->addDrawable(text3);
osgText::Text* text4 = new osgText::Text;
text4->setFont(osgText::readFontFile("fonts/times.ttf"));
text4->setFontSize(64,64);
text4->setPosition(osg::Vec3(200.0f,200.0f,0.0f));
text4->setLayout(osgText::Text::RIGHT_TO_LEFT);
text4->setDrawMode(osgText::Text::TEXT|osgText::Text::ALIGNMENT|osgText::Text::BOUNDINGBOX);
text4->setText("This is a test of text AVAV/.|<7C>!<21>$%^&*() - fonts/times.ttf");
geode->addDrawable(text4);
osgText::Text* text5 = new osgText::Text;
text5->setFont(osgText::readFontFile("fonts/dirtydoz.ttf"));
text5->setPosition(osg::Vec3(300.0f,300.0f,0.0f));
text5->setColor(osg::Vec4(1.0f,0.0f,0.0f,1.0f));
text5->setLayout(osgText::Text::VERTICAL);
text5->setDrawMode(osgText::Text::TEXT|osgText::Text::ALIGNMENT|osgText::Text::BOUNDINGBOX);
text5->setText("This is a test of text AVAV/.|<7C>!<21>$%^&*() - fonts/dirtydoz.ttf");
geode->addDrawable(text5);
// osgText::Text::TextString string;
// for(int i=0;i<2048;++i)
// string.push_back(i);
//
// osgText::Text* text6 = new osgText::Text;
// text6->setFont(osgText::readFontFile("/home/robert/Documents/GuopingSun/msmincho.ttc"));
// text6->setFontSize(64,64);
// text6->setText(string);
// text6->setPosition(osg::Vec3(00.0f,400.0f,0.0f));
// geode->addDrawable(text6);
osg::Group* rootNode = new osg::Group;
osgText::Text* text;
osg::Geode* geode;
osg::Material* textMaterial;
osg::StateSet* textState;
double xOffset=150;
double yOffset=gFontSize+10;
///////////////////////////////////////////////////////////////////////////
// setup the texts
///////////////////////////////////////////////////////////////////////////
// BitmapFont
osgText::BitmapFont* bitmapFont= new osgText::BitmapFont(ttfPath,
gFontSize1);
text= new osgText::Text(bitmapFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string(TEXT_BITMAP));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNMENT );
text->setAlignment(gAlignment);
geode = new osg::Geode();
geode->setName("BitmapFont");
geode->addDrawable( text );
textMaterial = new osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK, TEXT_COL_2D);
textState = new osg::StateSet();
textState->setAttribute(textMaterial );
geode->setStateSet( textState );
rootNode->addChild(geode);
xOffset+=90;
yOffset+=120;
///////////////////////////////////////////////////////////////////////////
// PixmapFont
osgText::PixmapFont* pixmapFont= new osgText::PixmapFont(ttfPath,
gFontSize1);
text= new osgText::Text(pixmapFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string(TEXT_PIXMAP));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNMENT );
text->setAlignment(gAlignment);
geode = new osg::Geode();
geode->setName("PixmapFont");
geode->addDrawable( text );
textMaterial = new osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK,TEXT_COL_2D);
// to get antiaA pixmapFonts we have to draw them with blending
osg::BlendFunc *transp= new osg::BlendFunc();
transp->setFunction(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
textState = new osg::StateSet();
textState->setAttribute(textMaterial );
textState->setAttribute(transp);
textState->setMode(GL_BLEND,osg::StateAttribute::ON);
textState->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
geode->setStateSet( textState );
rootNode->addChild(geode);
xOffset+=90;
yOffset+=120;
///////////////////////////////////////////////////////////////////////////
// TextureFont
osgText::TextureFont* textureFont= new osgText::TextureFont(ttfPath1,
gFontSize1);
text= new osgText::Text(textureFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string(TEXT_TEXTURE));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNMENT );
text->setAlignment(gAlignment);
geode = new osg::Geode();
geode->setName("TextureFont");
geode->addDrawable( text );
textMaterial = new osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK, TEXT_COL_2D);
// to get antiaA pixmapFonts we have to draw them with blending
transp= new osg::BlendFunc();
transp->setFunction(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
textState = new osg::StateSet();
textState->setAttribute(textMaterial );
textState->setAttribute(transp);
textState->setTextureMode(0,GL_TEXTURE_2D,osg::StateAttribute::ON);
textState->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
geode->setStateSet( textState );
rootNode->addChild(geode);
xOffset+=90;
yOffset+=120;
///////////////////////////////////////////////////////////////////////////
// PolygonFont
osgText::PolygonFont* polygonFont= new osgText::PolygonFont(ttfPath,
gFontSize1,
3);
text= new osgText::Text(polygonFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string("TEXT_POLYGON"));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNMENT );
text->setAlignment(gAlignment);
geode = new osg::Geode();
geode->setName("PolygonFont");
geode->addDrawable( text );
textMaterial = new osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK, TEXT_COL_2D);
textState = new osg::StateSet();
textState->setAttribute(textMaterial );
geode->setStateSet( textState );
rootNode->addChild(geode);
xOffset+=90;
yOffset+=120;
///////////////////////////////////////////////////////////////////////////
// OutlineFont
osgText::OutlineFont* outlineFont= new osgText::OutlineFont(ttfPath,
gFontSize1,
3);
text= new osgText::Text(outlineFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string(TEXT_OUTLINE));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNMENT );
text->setAlignment(gAlignment);
geode = new osg::Geode();
geode->setName("OutlineFont");
geode->addDrawable( text );
textMaterial = new osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK, TEXT_COL_2D);
textState = new osg::StateSet();
textState->setAttribute(textMaterial );
geode->setStateSet( textState );
rootNode->addChild(geode);
// now add a depth attribute to the scene to force it to draw on top.
osg::Depth* depth = new osg::Depth;
depth->setRange(0.0,0.0);
osg::StateSet* rootState = new osg::StateSet();
rootState->setAttribute(depth);
rootState->setMode(GL_LIGHTING,osg::StateAttribute::OFF);
rootNode->setStateSet(rootState);
return rootNode;
}
osg::Group* create3DText()
{
osg::Geode* geode = new osg::Geode;
osgText::Text* text1 = new osgText::Text;
text1->setFont("fonts/times.ttf");
text1->setAxisAlignment(osgText::Text::XY_PLANE);
text1->setText("XY_PLANE");
geode->addDrawable(text1);
osgText::Text* text2 = new osgText::Text;
text2->setFont("fonts/times.ttf");
text2->setPosition(osg::Vec3(0.0f,0.0f,0.0f));
text2->setAxisAlignment(osgText::Text::YZ_PLANE);
text2->setText("YZ_PLANE");
geode->addDrawable(text2);
osgText::Text* text3 = new osgText::Text;
text3->setFont("fonts/times.ttf");
text3->setPosition(osg::Vec3(00.0f,00.0f,00.0f));
text3->setAxisAlignment(osgText::Text::XZ_PLANE);
text3->setText("XZ_PLANE");
geode->addDrawable(text3);
osgText::Text* text4 = new osgText::Text;
text4->setFont("fonts/times.ttf");
text4->setAxisAlignment(osgText::Text::SCREEN);
text4->setPosition(osg::Vec3(00.0f,00.0f,00.0f));
text4->setText("SCREEN");
geode->addDrawable(text4);
osg::Group* rootNode = new osg::Group;
rootNode->addChild(geode);
return rootNode;
}
int main( int argc, char **argv )
{
@@ -296,19 +187,26 @@ int main( int argc, char **argv )
rootNode = group;
}
// create the hud.
osg::Projection* projection = new osg::Projection;
projection->setMatrix(osg::Matrix::ortho2D(0,1024,0,768));
{
// create the hud.
osg::Projection* projection = new osg::Projection;
projection->setMatrix(osg::Matrix::ortho2D(0,1280,0,1024));
osg::MatrixTransform* modelview_abs = new osg::MatrixTransform;
modelview_abs->setReferenceFrame(osg::Transform::RELATIVE_TO_ABSOLUTE);
modelview_abs->setMatrix(osg::Matrix::identity());
osg::MatrixTransform* modelview_abs = new osg::MatrixTransform;
modelview_abs->setReferenceFrame(osg::Transform::RELATIVE_TO_ABSOLUTE);
modelview_abs->setMatrix(osg::Matrix::identity());
modelview_abs->addChild(createText());
modelview_abs->addChild(createHUDText());
projection->addChild(modelview_abs);
projection->addChild(modelview_abs);
group->addChild(projection);
group->addChild(projection);
}
osg::MatrixTransform* scale = new osg::MatrixTransform;
scale->setMatrix(osg::Matrix::scale(1.0f,1.0f,1.0f));
scale->addChild(create3DText());
group->addChild(scale);
}