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-rw-r--r--public/fpdf_edit.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/public/fpdf_edit.h b/public/fpdf_edit.h
index aab48af3f1..54127d80ea 100644
--- a/public/fpdf_edit.h
+++ b/public/fpdf_edit.h
@@ -336,6 +336,31 @@ FPDFImageObj_GetImageDataRaw(FPDF_PAGEOBJECT image_object,
void* buffer,
unsigned long buflen);
+// Get the number of filters (i.e. decoders) of the image in |image_object|.
+//
+// image_object - handle to an image object.
+//
+// Returns the number of |image_object|'s filters.
+DLLEXPORT int STDCALL
+FPDFImageObj_GetImageFilterCount(FPDF_PAGEOBJECT image_object);
+
+// Get the filter at |index| of |image_object|'s list of filters. Note that the
+// filters need to be applied in order, i.e. the first filter should be applied
+// first, then the second, etc. |buffer| is only modified if |buflen| is longer
+// than the length of the filter string.
+//
+// image_object - handle to an image object.
+// index - the index of the filter requested.
+// buffer - buffer for holding filter string, encoded in UTF16-LE.
+// buflen - length of the buffer.
+//
+// Returns the length of the filter string.
+DLLEXPORT unsigned long STDCALL
+FPDFImageObj_GetImageFilter(FPDF_PAGEOBJECT image_object,
+ int index,
+ void* buffer,
+ unsigned long buflen);
+
// Create a new path object at an initial position.
//
// x - initial horizontal position.