osg::Camera* createInvertedYOrthoCamera(float width, float height) {
osg::Camera* camera = createOrthoCamera(width, height);
camera->setProjectionMatrix(createInvertedYOrthoProjectionMatrix(width, height));
return camera;
}
// A convenience wrapper for creating a proper orthographic camera using the current
// width and height.
osg::Camera* WindowManager::createParentOrthoCamera() {
osg::Camera* camera = createOrthoCamera(_width, _height);
camera->addChild(this);
return camera;
}
int main(int argc, char** argv) {
osgPango::Context& context = osgPango::Context::instance();
context.init();
context.addGlyphRenderer("multioutline", new GlyphRendererMultiOutline());
osgPango::TextTransform* t = new osgPango::TextTransform(osgPango::Text::COLOR_MODE_PALETTE_ONLY);
osgPango::ColorPalette cp;
cp.push_back(osg::Vec3(1.0f, 1.0f, 0.0f));
cp.push_back(osg::Vec3(0.0f, 0.0f, 0.0f));
cp.push_back(osg::Vec3(1.0f, 1.0f, 1.0f));
cp.push_back(osg::Vec3(0.0f, 0.0f, 0.0f));
t->setAlpha(1.0f);
t->setColorPalette(cp);
t->setGlyphRenderer("multioutline");
t->setText(
"<span font='Cheri Liney 70'>I've got\na lovely bunch\nof coconuts!!!</span>"
// "<span font='Sans 70'>I've got\na lovely bunch\nof coconuts!!!</span>",
);
t->setMatrix(osg::Matrixd::translate(osg::Vec3(WINDOW_WIDTH / 2, WINDOW_HEIGHT / 2, 0.0f)));
t->setPositionAlignment(osgPango::TextTransform::POS_ALIGN_CENTER_CENTER);
t->finalize();
osgViewer::Viewer viewer;
osg::Group* group = new osg::Group();
osg::Camera* camera = createOrthoCamera(WINDOW_WIDTH, WINDOW_HEIGHT);
osg::Node* node = osgDB::readNodeFile("cow.osg");
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(
viewer.getCamera()->getOrCreateStateSet()
));
camera->addChild(t);
group->addChild(node);
group->addChild(camera);
viewer.setSceneData(group);
viewer.getCamera()->setClearColor(osg::Vec4(0.5f, 0.5f, 0.5f, 1.0f));
viewer.setUpViewInWindow(50, 50, WINDOW_WIDTH, WINDOW_HEIGHT);
viewer.run();
// osgPango::Context::instance().writeCachesToPNGFiles("osgpangotest");
return 0;
}
int main(int argc, char** argv) {
osgPango::Context& context = osgPango::Context::instance();
context.init();
context.addGlyphRenderer("outline", new osgPango::GlyphRendererOutline(2));
osgPango::TextTransform* t = new osgPango::TextTransform();
t->setGlyphRenderer("outline");
t->setText(
"<span font='Georgia Bold 50' color='black' bgcolor='white'>"
"osgPango\nand\nosgAnimation"
"</span>"
);
t->finalize();
// TODO: OMG, this is horrible. :)
osg::Group* group = dynamic_cast<osg::Group*>(t->getChild(0));
if(group) {
osg::Geode* geode = dynamic_cast<osg::Geode*>(group->getChild(0));
if(geode) geode->getDrawable(0)->setUpdateCallback(new GlyphSampler());
}
osgViewer::Viewer viewer;
osg::Camera* camera = createOrthoCamera(WINDOW_WIDTH, WINDOW_HEIGHT);
const osg::Vec2& size = t->getSize();
// t->setPosition(osg::Vec3(WINDOW_WIDTH / 2, WINDOW_HEIGHT / 2, 0.0f));
// t->setAlignment(osgPango::TextTransform::POS_ALIGN_CENTER);
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(
viewer.getCamera()->getOrCreateStateSet()
));
camera->addChild(t);
viewer.setUpViewInWindow(50, 50, WINDOW_WIDTH, WINDOW_HEIGHT);
viewer.setSceneData(camera);
viewer.getCamera()->setClearColor(osg::Vec4(0.2f, 0.2f, 0.2f, 1.0f));
viewer.run();
return 0;
}
int main(int argc, char** argv)
{
osgViewer::Viewer viewer;
osg::ArgumentParser args(&argc, argv);
// Make sure we have the minimum args...
if(argc <= 2)
{
osg::notify(osg::FATAL) << "usage: " << args[0] << " fontfile size1 [size2 ...]" << std::endl;
return 1;
}
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
osg::Group* group = new osg::Group();
osg::Camera* camera = createOrthoCamera(1280.0f, 1024.0f);
// Create the list of desired sizes.
Sizes sizes;
for(int i = 2; i < argc; i++)
{
if(!args.isNumber(i)) continue;
sizes.push_back(std::atoi(args[i]));
}
osg::Geode* geode = new osg::Geode();
// Add all of our osgText drawables.
for(Sizes::const_iterator i = sizes.begin(); i != sizes.end(); i++)
{
std::stringstream ss;
ss << *i << " 1234567890 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ";
geode->addDrawable(createLabel(ss.str(), args[1], *i));
}
camera->addChild(geode);
group->addChild(camera);
viewer.setSceneData(group);
return viewer.run();
}
int main(int argc, char** argv) {
osgPairo::Context& context = osgPairo::Context::instance();
context.init();
context.addGlyphRenderer("gradient", new GlyphRendererGradient());
osgPairo::TextTransform* t = new osgPairo::TextTransform();
std::ostringstream os;
os << "<span font='Verdana Bold 40'>" << LOREM_IPSUM << "</span>";
t->setGlyphRenderer("gradient");
t->setText(os.str().c_str(), osgPairo::TextOptions(
osgPairo::TextOptions::TEXT_ALIGN_CENTER,
750
));
t->finalize();
// t->setPosition(t->getOriginTranslated());
osgViewer::Viewer viewer;
osg::Group* group = new osg::Group();
osg::Camera* camera = createOrthoCamera(800, 600);
osg::Node* node = osgDB::readNodeFile("cow.osg");
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(
viewer.getCamera()->getOrCreateStateSet()
));
camera->addChild(t);
group->addChild(node);
group->addChild(camera);
viewer.setSceneData(group);
viewer.getCamera()->setClearColor(osg::Vec4(0.3f, 0.3f, 0.3f, 1.0f));
viewer.setUpViewInWindow(50, 50, 800, 600);
viewer.run();
// osgPairo::Context::instance().writeCachesToPNGFiles("osgpangocustomrenderer");
return 0;
}
int main(int argc, char** argv) {
osg::ArgumentParser args(&argc, argv);
osgViewer::Viewer viewer(args);
osgDB::FilePathList& paths = osgDB::getDataFilePathList();
paths.push_back("../examples/osgcairodistancefield");
paths.push_back("examples/osgcairodistancefield");
paths.push_back(".");
std::string vertPath = "shaders/normal-vert.glsl";
std::string fragPath = "shaders/normal-frag.glsl";
while(args.read("--outline")) {
fragPath = "shaders/outline-frag.glsl";
}
while(args.read("--shifted")) {
vertPath = "shaders/shifted-vert.glsl";
fragPath = "shaders/shifted-frag.glsl";
}
if(args.argc() != 4) {
OSG_FATAL << "usage: osgcairodistancefield <surface_size> <scan_size> <block_size>" << std::endl;
return 1;
}
vertPath = osgDB::findDataFile(vertPath);
fragPath = osgDB::findDataFile(fragPath);
cairo_surface_t* distanceField = createDistanceField(
std::atoi(args[1]),
std::atoi(args[2]),
std::atoi(args[3])
);
osg::Geode* geode = createDistanceFieldGeode(distanceField);
osg::Geode* bg = createBackgroundGeode(WIDTH, HEIGHT);
osg::Camera* camera = createOrthoCamera(WIDTH, HEIGHT);
osg::Program* program = new osg::Program();
osg::Shader* vert = osg::Shader::readShaderFile(osg::Shader::VERTEX, vertPath);
osg::Shader* frag = osg::Shader::readShaderFile(osg::Shader::FRAGMENT, fragPath);
float scale = 1.0f;
float aMin = std::max(0.0f, 0.5f - 0.07f / scale);
float aMax = std::min(0.5f + 0.07f / scale, 1.0f);
float radius = 1.0f;
float ol = std::max(double(0.2f), double(0.5 - 0.5 / radius));
float oaMax0 = std::max(double(0.0f), ol - 0.07 / scale);
float oaMax1 = std::min(ol + 0.07 / scale, double(aMin));
osg::Uniform* color = new osg::Uniform("Color", osg::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
osg::Uniform* styleColor = new osg::Uniform("StyleColor", osg::Vec4(0.0f, 0.0f, 0.0f, 1.0f));
osg::Uniform* alphaMin = new osg::Uniform("AlphaMin", aMin);
osg::Uniform* alphaMax = new osg::Uniform("AlphaMax", aMax);
osg::Uniform* alphaMax0 = new osg::Uniform("OutlineAlphaMax0", oaMax0);
osg::Uniform* alphaMax1 = new osg::Uniform("OutlineAlphaMax1", oaMax1);
osg::Uniform* texture = new osg::Uniform(osg::Uniform::SAMPLER_2D, "Texture");
texture->set(0);
program->addShader(vert);
program->addShader(frag);
osg::MatrixTransform* matrix = new osg::MatrixTransform();
matrix->getOrCreateStateSet()->setAttributeAndModes(program);
matrix->getOrCreateStateSet()->addUniform(color);
matrix->getOrCreateStateSet()->addUniform(styleColor);
matrix->getOrCreateStateSet()->addUniform(alphaMin);
matrix->getOrCreateStateSet()->addUniform(alphaMax);
matrix->getOrCreateStateSet()->addUniform(alphaMax0);
matrix->getOrCreateStateSet()->addUniform(alphaMax1);
matrix->getOrCreateStateSet()->addUniform(texture);
matrix->addChild(geode);
camera->addChild(matrix);
camera->addChild(bg);
viewer.setSceneData(camera);
viewer.setUpViewInWindow(50, 50, WIDTH, HEIGHT);
viewer.addEventHandler(new ScaleSet());
int r = viewer.run();
cairo_surface_destroy(distanceField);
return r;
}
