diff options
-rw-r--r-- | contrib/httpimg/httpimg.go | 32 | ||||
-rw-r--r-- | contrib/httpimg/httpimg_test.go | 23 |
2 files changed, 55 insertions, 0 deletions
diff --git a/contrib/httpimg/httpimg.go b/contrib/httpimg/httpimg.go new file mode 100644 index 0000000..10afcc8 --- /dev/null +++ b/contrib/httpimg/httpimg.go @@ -0,0 +1,32 @@ +package httpimg + +import ( + "github.com/jung-kurt/gofpdf" + "net/http" +) + +// Register registers a HTTP image. Downloading the image from the provided URL +// and adding it to the PDF but not adding it to the page. Use Image() with the +// same URL to add the image to the page. +func Register(f *gofpdf.Fpdf, urlStr, tp string) (info *gofpdf.ImageInfoType) { + info = f.GetImageInfo(urlStr) + + if info != nil { + return + } + + resp, err := http.Get(urlStr) + + if err != nil { + f.SetError(err) + return + } + + defer resp.Body.Close() + + if tp == "" { + tp = f.ImageTypeFromMime(resp.Header["Content-Type"][0]) + } + + return f.RegisterImageReader(urlStr, tp, resp.Body) +} diff --git a/contrib/httpimg/httpimg_test.go b/contrib/httpimg/httpimg_test.go new file mode 100644 index 0000000..bf13492 --- /dev/null +++ b/contrib/httpimg/httpimg_test.go @@ -0,0 +1,23 @@ +package httpimg_test + +import ( + "github.com/jung-kurt/gofpdf" + "github.com/jung-kurt/gofpdf/contrib/httpimg" + "github.com/jung-kurt/gofpdf/internal/example" +) + +func ExampleRegister() { + pdf := gofpdf.New("L", "mm", "A4", "") + pdf.SetFont("Helvetica", "", 12) + pdf.SetFillColor(200, 200, 220) + pdf.AddPage() + + url := "https://github.com/jung-kurt/gofpdf/raw/master/image/logo_gofpdf.jpg?raw=true" + httpimg.Register(pdf, url, "") + pdf.Image(url, 15, 15, 267, 0, false, "", 0, "") + fileStr := example.Filename("contrib_httpimg_Register") + err := pdf.OutputFileAndClose(fileStr) + example.Summary(err, fileStr) + // Output: + // Successfully generated ../../pdf/contrib_httpimg_Register.pdf +} |