1
0
forked from MTSR/mapserver
mapserver/mapblockrenderer/worker.go
2019-06-13 08:04:32 +02:00

39 lines
600 B
Go

package mapblockrenderer
import (
"bytes"
"image/png"
"mapserver/coords"
"time"
)
type JobData struct {
Pos1, Pos2 *coords.MapBlockCoords
}
type JobResult struct {
Data *bytes.Buffer
Duration time.Duration
Job JobData
}
func Worker(r *MapBlockRenderer, jobs <-chan JobData, results chan<- JobResult) {
for d := range jobs {
img, _ := r.Render(d.Pos1, d.Pos2)
w := new(bytes.Buffer)
start := time.Now()
if img != nil {
png.Encode(w, img)
}
t := time.Now()
elapsed := t.Sub(start)
res := JobResult{Data: w, Duration: elapsed, Job: d}
results <- res
}
}