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-rw-r--r--contrib/tiff/tiff.go14
1 files changed, 12 insertions, 2 deletions
diff --git a/contrib/tiff/tiff.go b/contrib/tiff/tiff.go
index 5bc34d9..3f13a38 100644
--- a/contrib/tiff/tiff.go
+++ b/contrib/tiff/tiff.go
@@ -30,7 +30,12 @@ import (
"golang.org/x/image/tiff"
)
-// RegisterReader ...
+// RegisterReader registers a TIFF image, adding it to the PDF file but not
+// adding it to the page. imgName specifies the name that will be used in the
+// call to Image() that actually places the image in the document. options
+// specifies various image properties; in this case, the ImageType property
+// should be set to "tiff". The TIFF image is a reader from the reader
+// specified by r.
func RegisterReader(fpdf *gofpdf.Fpdf, imgName string, options gofpdf.ImageOptions, r io.Reader) (info *gofpdf.ImageInfoType) {
var err error
var img image.Image
@@ -55,7 +60,12 @@ func RegisterReader(fpdf *gofpdf.Fpdf, imgName string, options gofpdf.ImageOptio
return
}
-// RegisterFile ...
+// RegisterFile registers a TIFF image, adding it to the PDF file but not
+// adding it to the page. imgName specifies the name that will be used in the
+// call to Image() that actually places the image in the document. options
+// specifies various image properties; in this case, the ImageType property
+// should be set to "tiff". The TIFF image is read from the file specified by
+// tiffFileStr.
func RegisterFile(fpdf *gofpdf.Fpdf, imgName string, options gofpdf.ImageOptions, tiffFileStr string) (info *gofpdf.ImageInfoType) {
var f *os.File
var err error