gdiplus: Initial path iterator implementation.

dlls/gdiplus/Makefile.in

@@ -12,6 +12,7 @@ C_SRCS = \
 	graphics.c \
 	graphicspath.c \
 	matrix.c \
+	pathiterator.c \
 	pen.c
 
 @MAKE_DLL_RULES@

dlls/gdiplus/gdiplus.spec

@@ -110,7 +110,7 @@
 @ stub GdipCreatePathGradient
 @ stub GdipCreatePathGradientFromPath
 @ stub GdipCreatePathGradientI
-@ stub GdipCreatePathIter
+@ stdcall GdipCreatePathIter(ptr ptr)
 @ stdcall GdipCreatePen1(long long long ptr)
 @ stub GdipCreatePen2
 @ stub GdipCreateRegion
@@ -135,7 +135,7 @@
 @ stdcall GdipDeleteGraphics(ptr)
 @ stdcall GdipDeleteMatrix(ptr)
 @ stdcall GdipDeletePath(ptr)
-@ stub GdipDeletePathIter
+@ stdcall GdipDeletePathIter(ptr)
 @ stdcall GdipDeletePen(ptr)
 @ stub GdipDeletePrivateFontCollection
 @ stub GdipDeleteRegion

dlls/gdiplus/gdiplus_private.h

@@ -83,4 +83,11 @@ struct GpMatrix{
     REAL matrix[6];
 };
 
+struct GpPathIterator{
+    GpPathData pathdata;
+    INT subpath_pos;    /* for NextSubpath methods */
+    INT marker_pos;     /* for NextMarker methods */
+    INT pathtype_pos;   /* for NextPathType methods */
+};
+
 #endif

dlls/gdiplus/pathiterator.c

+/*
+ * Copyright (C) 2007 Google (Evan Stade)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+
+#include "windef.h"
+#include "winbase.h"
+
+#include "gdiplus.h"
+#include "gdiplus_private.h"
+
+GpStatus WINGDIPAPI GdipCreatePathIter(GpPathIterator **iterator, GpPath* path)
+{
+    INT size;
+
+    if(!iterator || !path)
+        return InvalidParameter;
+
+    size = path->pathdata.Count;
+
+    *iterator = GdipAlloc(sizeof(GpPathIterator));
+    if(!*iterator)  return OutOfMemory;
+
+    (*iterator)->pathdata.Types = GdipAlloc(size);
+    (*iterator)->pathdata.Points = GdipAlloc(size * sizeof(PointF));
+
+    memcpy((*iterator)->pathdata.Types, path->pathdata.Types, size);
+    memcpy((*iterator)->pathdata.Points, path->pathdata.Points,
+           size * sizeof(PointF));
+    (*iterator)->pathdata.Count = size;
+
+    (*iterator)->subpath_pos = 0;
+    (*iterator)->marker_pos = 0;
+    (*iterator)->pathtype_pos = 0;
+
+    return Ok;
+}
+
+GpStatus WINGDIPAPI GdipDeletePathIter(GpPathIterator *iter)
+{
+    if(!iter)
+        return InvalidParameter;
+
+    GdipFree(iter->pathdata.Types);
+    GdipFree(iter->pathdata.Points);
+    GdipFree(iter);
+
+    return Ok;
+}

include/gdiplusflat.h

@@ -85,6 +85,9 @@ GpStatus WINGDIPAPI GdipCreateMatrix2(REAL,REAL,REAL,REAL,REAL,REAL,GpMatrix**);
 GpStatus WINGDIPAPI GdipDeleteMatrix(GpMatrix*);
 GpStatus WINGDIPAPI GdipTransformMatrixPoints(GpMatrix*,GpPointF*,INT);
 
+GpStatus WINGDIPAPI GdipCreatePathIter(GpPathIterator**,GpPath*);
+GpStatus WINGDIPAPI GdipDeletePathIter(GpPathIterator*);
+
 #ifdef __cplusplus
 }
 #endif

include/gdiplusgpstubs.h

@@ -27,6 +27,7 @@ class GpBrush {};
 class GpSolidFill {};
 class GpPath {};
 class GpMatrix {};
+class GpPathIterator {};
 
 #else /* end of c++ declarations */
 
@@ -36,6 +37,7 @@ typedef struct GpBrush GpBrush;
 typedef struct GpSolidFill GpSolidFill;
 typedef struct GpPath GpPath;
 typedef struct GpMatrix GpMatrix;
+typedef struct GpPathIterator GpPathIterator;
 
 #endif /* end of c declarations */