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Minor fix to allow null for colorspace entry in Resource dicts

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This commit is contained in:
Gunnsteinn Hall 2017-04-26 23:23:29 +00:00
parent 3f4e84a2e4
commit 78c6f01d03
2 changed files with 9 additions and 1 deletions
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2
pdf/model/resources.go
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@ -40,7 +40,7 @@ func NewPdfPageResourcesFromDict(dict *PdfObjectDictionary) (*PdfPageResources,
if obj, isDefined := (*dict)["ExtGState"]; isDefined { if obj, isDefined := (*dict)["ExtGState"]; isDefined {
r.ExtGState = obj r.ExtGState = obj
} }
if obj, isDefined := (*dict)["ColorSpace"]; isDefined { if obj, isDefined := (*dict)["ColorSpace"]; isDefined && !isNullObject(obj) {
colorspaces, err := newPdfPageResourcesColorspacesFromPdfObject(obj) colorspaces, err := newPdfPageResourcesColorspacesFromPdfObject(obj)
if err != nil { if err != nil {
return nil, err return nil, err

8
pdf/model/utils.go
View File

@ -28,6 +28,14 @@ func getNumberAsFloat(obj PdfObject) (float64, error) {
return 0, errors.New("Not a number") return 0, errors.New("Not a number")
} }
func isNullObject(obj PdfObject) bool {
if _, isNull := obj.(*PdfObjectNull); isNull {
return true
} else {
return false
}
}
// Convert a list of pdf objects representing floats or integers to a slice of float64 values. // Convert a list of pdf objects representing floats or integers to a slice of float64 values.
func getNumbersAsFloat(objects []PdfObject) ([]float64, error) { func getNumbersAsFloat(objects []PdfObject) ([]float64, error) {
floats := []float64{} floats := []float64{}