Merge branch 'contribution-package' of https://github.com/jelmersnoeck/gofpdf into jelmersnoeck-contribution-package

2 files changed, 56 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..cf6e8d1
--- /dev/null
+++ b/contrib/httpimg/httpimg_test.go
@@ -0,0 +1,24 @@
+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("", "", "", "")
+	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, 100, 100, 20, 20, false, "", 0, "")
+
+	fileStr := example.Filename("contrib_httpimg_Register")
+	err := pdf.OutputFileAndClose(fileStr)
+	example.Summary(err, fileStr)
+	// Output:
+	// Successfully generated ../../pdf/contrib_httpimg_Register.pdf
+}