summaryrefslogtreecommitdiff
path: root/public/fpdf_annot.h
diff options
context:
space:
mode:
authorHenrique Nakashima <hnakashima@chromium.org>2018-01-10 18:06:55 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-01-10 18:06:55 +0000
commita74e75d69594e469906e2a95b5f2394c88acbe7a (patch)
tree3c77b9358876819d50baa7f43a98e15dd33c2bbf /public/fpdf_annot.h
parent7d36c3e835bc32898f0064226d79a8f0f89e15ec (diff)
downloadpdfium-a74e75d69594e469906e2a95b5f2394c88acbe7a.tar.xz
Add FPDFAnnot_GetAP to public API.
The matching FPDFAnnot_SetAP will be added in a subsequent CL. Change-Id: If567e02c6c56138d218498879cb4a8ee91dff080 Reviewed-on: https://pdfium-review.googlesource.com/22450 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Diffstat (limited to 'public/fpdf_annot.h')
-rw-r--r--public/fpdf_annot.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/public/fpdf_annot.h b/public/fpdf_annot.h
index 1fbc366872..8841963183 100644
--- a/public/fpdf_annot.h
+++ b/public/fpdf_annot.h
@@ -58,6 +58,11 @@ extern "C" {
#define FPDF_ANNOT_FLAG_LOCKED (1 << 7)
#define FPDF_ANNOT_FLAG_TOGGLENOVIEW (1 << 8)
+#define FPDF_ANNOT_APPEARANCEMODE_NORMAL 0
+#define FPDF_ANNOT_APPEARANCEMODE_ROLLOVER 1
+#define FPDF_ANNOT_APPEARANCEMODE_DOWN 2
+#define FPDF_ANNOT_APPEARANCEMODE_COUNT 3
+
#define FPDF_OBJECT_UNKNOWN 0
#define FPDF_OBJECT_BOOLEAN 1
#define FPDF_OBJECT_NUMBER 2
@@ -396,6 +401,29 @@ FPDFAnnot_GetStringValue(FPDF_ANNOTATION annot,
unsigned long buflen);
// Experimental API.
+// Get the AP (appearance string) from |annot|'s dictionary for a given
+// |appearanceMode|.
+// |buffer| is only modified if |buflen| is large enough to hold the whole AP
+// string. If |buflen| is smaller, the total size of the AP is still returned,
+// but nothing is copied.
+// If there is no appearance stream for |annot| in |appearanceMode|, an empty
+// string is written to |buf| and 2 is returned.
+// On other errors, nothing is written to |buffer| and 0 is returned.
+//
+// annot - handle to an annotation.
+// appearanceMode - the appearance mode (normal, rollover or down) for which
+// to get the AP.
+// buffer - buffer for holding the value string, encoded in UTF16-LE.
+// buflen - length of the buffer.
+//
+// Returns the length of the string value.
+FPDF_EXPORT unsigned long FPDF_CALLCONV
+FPDFAnnot_GetAP(FPDF_ANNOTATION annot,
+ FPDF_ANNOT_APPEARANCEMODE appearanceMode,
+ void* buffer,
+ unsigned long buflen);
+
+// Experimental API.
// Get the annotation corresponding to |key| in |annot|'s dictionary. Common
// keys for linking annotations include "IRT" and "Popup". Must call
// FPDFPage_CloseAnnot() when the annotation returned by this function is no