mirror of https://github.com/grafana/grafana.git
				
				
				
			
		
			
				
	
	
		
			35 lines
		
	
	
		
			839 B
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			839 B
		
	
	
	
		
			Go
		
	
	
	
package api
 | 
						|
 | 
						|
import (
 | 
						|
	"fmt"
 | 
						|
	"net/http"
 | 
						|
 | 
						|
	"github.com/grafana/grafana/pkg/components/renderer"
 | 
						|
	"github.com/grafana/grafana/pkg/middleware"
 | 
						|
	"github.com/grafana/grafana/pkg/util"
 | 
						|
)
 | 
						|
 | 
						|
func RenderToPng(c *middleware.Context) {
 | 
						|
	queryReader := util.NewUrlQueryReader(c.Req.URL)
 | 
						|
	queryParams := fmt.Sprintf("?%s", c.Req.URL.RawQuery)
 | 
						|
 | 
						|
	renderOpts := &renderer.RenderOpts{
 | 
						|
		Path:     c.Params("*") + queryParams,
 | 
						|
		Width:    queryReader.Get("width", "800"),
 | 
						|
		Height:   queryReader.Get("height", "400"),
 | 
						|
		OrgId:    c.OrgId,
 | 
						|
		Timeout:  queryReader.Get("timeout", "30"),
 | 
						|
		Timezone: queryReader.Get("tz", ""),
 | 
						|
	}
 | 
						|
 | 
						|
	pngPath, err := renderer.RenderToPng(renderOpts)
 | 
						|
 | 
						|
	if err != nil {
 | 
						|
		c.Handle(500, "Failed to render to png", err)
 | 
						|
		return
 | 
						|
	}
 | 
						|
 | 
						|
	c.Resp.Header().Set("Content-Type", "image/png")
 | 
						|
	http.ServeFile(c.Resp, c.Req.Request, pngPath)
 | 
						|
}
 |