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#include <iostream>
#include <osg/ArgumentParser>
#include <osgDB/ReadFile>
#include <osgWidget/Canvas>
#include <osgWidget/WindowManager>
#include <osgWidget/Util>
void setupArguments(osg::ArgumentParser& args) {
args.getApplicationUsage()->setDescription(
args.getApplicationName() + " is a performance testing application for osgWidget."
);
args.getApplicationUsage()->setCommandLineUsage(
args.getApplicationName() + " [options] widgets"
);
args.getApplicationUsage()->addCommandLineOption(
"--width <int>",
"The WindowManager width."
);
args.getApplicationUsage()->addCommandLineOption(
"--height <int>",
"The WindowManager height."
);
args.getApplicationUsage()->addCommandLineOption(
"--size <int>",
"The size of the square Widgets."
);
args.getApplicationUsage()->addCommandLineOption(
"--single-window",
"All widgets are put inside a single Window."
);
args.getApplicationUsage()->addCommandLineOption(
"--multi-window",
"All widgets are in their own Windows."
);
}
void readSize(osg::ArgumentParser& args, const char* opt, unsigned int& val) {
std::string size;
while(args.read(opt, size)) {
int s = std::atoi(size.c_str());
if(s > 0) val = s;
}
}
int doError(const char* errorMsg) {
osgWidget::warn() << errorMsg << std::endl;
return 1;
}
int doApp(osgViewer::Viewer& viewer, osg::Node* node, unsigned int width, unsigned int height) {
osgWidget::WindowManager* wm = new osgWidget::WindowManager(&viewer, width, height, 0x12);
wm->addChild(node);
return osgWidget::createExample(viewer, wm);
}
int main(int argc, char** argv) {
osg::ArgumentParser args(&argc, argv);
setupArguments(args);
osgViewer::Viewer viewer(args);
while(args.read("--help")) {
args.getApplicationUsage()->write(
std::cout,
osg::ApplicationUsage::COMMAND_LINE_OPTION
);
return 0;
}
std::string size;
unsigned int width = 1280;
unsigned int height = 1024;
unsigned int wSize = 10;
bool singleWindow = false;
bool multiWindow = false;
readSize(args, "--width", width);
readSize(args, "--height", height);
readSize(args, "--size", wSize);
while(args.read("--single-window")) singleWindow = true;
while(args.read("--multi-window")) multiWindow = true;
unsigned int numWidgets = 0;
if(args.argc() >= 2) numWidgets = std::atoi(args[1]);
else return doError("Please specify the number of Widgets to use.");
if(numWidgets <= 0) return doError("Please specify one or more Widgets to use.");
if(!singleWindow && !multiWindow) return doError(
"Please specify one of --single-window or --multi-window."
);
if(singleWindow) {
osgWidget::Canvas* canvas = new osgWidget::Canvas("canvas");
canvas->getBackground()->setColor(0.0f, 0.0f, 0.0f, 0.0f);
unsigned int rows = height / (wSize + 2);
unsigned int cols = (numWidgets / rows) + 1;
unsigned int w = 0;
/*
osg::Image* image = osgDB::readImageFile("osgWidget/natascha.png");
osg::Texture2D* texture = new osg::Texture2D();
texture->setImage(0, image);
*/
for(unsigned int c = 0; c < cols; c++) {
for(unsigned int r = 0; r < rows; r++) {
if(w >= numWidgets) break;
osgWidget::Widget* widget = new osgWidget::Widget(
"",
wSize,
wSize
);
float col = static_cast<float>(w) / static_cast<float>(numWidgets);
widget->setColor(col, col, col, 0.9f);
// widget->setTexture(texture, true);
canvas->addWidget(widget, c * (wSize + 2), r * (wSize + 2));
w++;
}
}
return doApp(viewer, canvas, width, height);
}
else doError("Not supported yet.");
return 1;
}
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