From 36eed87d19e741be9909500c45dd12e50ff6a1ab Mon Sep 17 00:00:00 2001 From: Miklos Vajna Date: Wed, 20 Sep 2017 22:52:43 +0200 Subject: Add FPDFPath_GetPoint() API Combined with the previously added FPDFPath_CountPoint(), this allows getting the coordinates of all points of a path. Change-Id: Ic969723d4b01ee427498d38ce323c74147b87a9c Reviewed-on: https://pdfium-review.googlesource.com/14111 Commit-Queue: dsinclair Reviewed-by: dsinclair --- public/fpdf_edit.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ public/fpdfview.h | 1 + 2 files changed, 47 insertions(+) (limited to 'public') diff --git a/public/fpdf_edit.h b/public/fpdf_edit.h index 9ee11cb5ec..d73a740efd 100644 --- a/public/fpdf_edit.h +++ b/public/fpdf_edit.h @@ -42,6 +42,12 @@ #define FPDF_PAGEOBJ_SHADING 4 #define FPDF_PAGEOBJ_FORM 5 +// The path segment constants. +#define FPDF_SEGMENT_UNKNOWN -1 +#define FPDF_SEGMENT_LINETO 0 +#define FPDF_SEGMENT_BEZIERTO 1 +#define FPDF_SEGMENT_MOVETO 2 + #define FPDF_FILLMODE_ALTERNATE 1 #define FPDF_FILLMODE_WINDING 2 @@ -552,6 +558,7 @@ FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPath_GetFillColor(FPDF_PAGEOBJECT path, unsigned int* B, unsigned int* A); +// Experimental API. // Get number of point objects inside |path|. // // path - handle to a path. @@ -562,6 +569,45 @@ FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPath_GetFillColor(FPDF_PAGEOBJECT path, // Returns the number of objects in |path| or -1 on failure. FPDF_EXPORT int FPDF_CALLCONV FPDFPath_CountPoint(FPDF_PAGEOBJECT path); +// Experimental API. +// Get segment in |path| at |index|. +// +// path - handle to a path. +// index - the index of a segment. +// +// Returns the handle to the segment, or NULL on faiure. +FPDF_EXPORT FPDF_PATHSEGMENT FPDF_CALLCONV +FPDFPath_GetPathSegment(FPDF_PAGEOBJECT path, int index); + +// Experimental API. +// Get coordinates of |segment|. +// +// segment - handle to a segment. +// x - the horizontal position of the segment. +// y - the vertical position of the segment. +// +// Returns TRUE on success, otherwise |x| and |y| is not set. +FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV +FPDFPathSegment_GetPoint(FPDF_PATHSEGMENT segment, float* x, float* y); + +// Experimental API. +// Get type of |segment|. +// +// segment - handle to a segment. +// +// Returns one of the FPDF_SEGMENT_* values on success, +// FPDF_SEGMENT_UNKNOWN on error. +FPDF_EXPORT int FPDF_CALLCONV FPDFPathSegment_GetType(FPDF_PATHSEGMENT segment); + +// Experimental API. +// Gets if the |segment| closes the current subpath of a given path. +// +// segment - handle to a segment. +// +// Returns close flag for non-NULL segment, FALSE otherwise. +FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV +FPDFPathSegment_GetClose(FPDF_PATHSEGMENT segment); + // Move a path's current point. // // path - the handle to the path object. diff --git a/public/fpdfview.h b/public/fpdfview.h index 135d00a8f4..3f180335d3 100644 --- a/public/fpdfview.h +++ b/public/fpdfview.h @@ -52,6 +52,7 @@ typedef void* FPDF_SCHHANDLE; typedef void* FPDF_STRUCTELEMENT; typedef void* FPDF_STRUCTTREE; typedef void* FPDF_TEXTPAGE; +typedef void const* FPDF_PATHSEGMENT; #ifdef PDF_ENABLE_XFA typedef void* FPDF_STRINGHANDLE; -- cgit v1.2.3