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// vim: shiftwidth=4 tabstop=4 noexpandtab
// stlscope is a file viewer for the STL file format. It is based on Go
// and OpenGL.
package main
import (
"runtime"
"log"
"flag"
"io/ioutil"
)
// cliArgs contains all data given via command line arguments.
type cliArgs struct {
filePath string
debugOutput bool
}
// main represents the whole functionality of stlscope.
func main() {
// read command line arguments and mute log if necessary
var args cliArgs
args.read()
if !args.debugOutput {
log.SetOutput(ioutil.Discard)
}
// parse STL file
stl, err := ReadBinaryStlFile(args.filePath)
if err != nil {
log.Fatal(err)
}
vertices,vertex_normals = stl.toVertices()
// lock this program to one OS thread
// (details: https://golang.org/pkg/runtime/#LockOSThread)
log.Println("Locking OS thread")
runtime.LockOSThread()
// initialize application (includes GLFW/window)
var app App = newApp(&stl)
defer app.terminate() // GLFW needs to be terminated!
// initialize graphics
var graphics Graphics = newGraphics()
app.graphics = &graphics // connect graphics to the app
// main loop
for !app.window.ShouldClose() {
graphics.draw()
app.handle()
}
}
// read reads the command line arguments given to stlscope to a cliArgs struct.
func (args *cliArgs) read() {
flag.BoolVar(&args.debugOutput, "debug", false,
"enable to print log output")
flag.Parse()
args.filePath = flag.Arg(0)
}
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