54 lines
1.0 KiB
Go
54 lines
1.0 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"runtime/pprof" // For performance whatever
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)
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const (
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Width = 512
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Height = 512
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)
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func must(err error) {
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if err != nil {
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panic(err)
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}
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}
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// However flag works... idk
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var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
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func main() {
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log.Printf("Program start")
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// Little section for doing cpu profiling. I guess that's all you have to do?
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flag.Parse()
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if *cpuprofile != "" {
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log.Printf("CPU profiling requested, write to %s", *cpuprofile)
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f, err := os.Create(*cpuprofile)
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must(err)
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defer f.Close()
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err = pprof.StartCPUProfile(f)
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must(err)
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defer pprof.StopCPUProfile()
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}
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fb := NewFramebuffer(Width, Height)
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log.Printf("Running render")
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// Just draw a simple line
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LineDumb(&fb, 0xFFFFFF, 100, 100, 350, 200)
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LineDumb2(&fb, 0xFF0000, 120, 100, 200, 350)
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LineDumb2(&fb, 0xFF0000, 350, 200, 100, 100) // backward first line
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log.Printf("Exporting ppm to stdout")
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fmt.Print(fb.ExportPPM())
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log.Printf("Program end")
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}
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