mirror of https://github.com/grafana/grafana.git
41 lines
952 B
Go
41 lines
952 B
Go
package api
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import (
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"fmt"
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"net/http"
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"github.com/grafana/grafana/pkg/components/renderer"
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"github.com/grafana/grafana/pkg/middleware"
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"github.com/grafana/grafana/pkg/util"
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)
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func RenderToPng(c *middleware.Context) {
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queryReader := util.NewUrlQueryReader(c.Req.URL)
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queryParams := fmt.Sprintf("?%s", c.Req.URL.RawQuery)
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renderOpts := &renderer.RenderOpts{
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Path: c.Params("*") + queryParams,
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Width: queryReader.Get("width", "800"),
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Height: queryReader.Get("height", "400"),
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Timeout: queryReader.Get("timeout", "60"),
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OrgId: c.OrgId,
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UserId: c.UserId,
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OrgRole: c.OrgRole,
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Timezone: queryReader.Get("tz", ""),
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}
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pngPath, err := renderer.RenderToPng(renderOpts)
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if err != nil {
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if err == renderer.ErrTimeout {
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c.Handle(500, err.Error(), err)
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}
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c.Handle(500, "Rendering failed.", err)
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return
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}
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c.Resp.Header().Set("Content-Type", "image/png")
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http.ServeFile(c.Resp, c.Req.Request, pngPath)
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}
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