star-cpr

commit 31f882ae8ce9e878ee968a53ca959b17f06b37f8
parent 805b57fd650b1c9811aa221a4e9bc68d757b1327
Author: Benjamin Piaud <benjamin.piaud@meso-star.com>
Date:   Thu, 20 Oct 2022 11:13:15 +0200

Add polygon copy function

Diffstat:
M
src/scpr.h
 | 
5
+++++
M
src/scpr_polygon.c
 | 
24
++++++++++++++++++++++++
M
src/test_scpr_polygon.c
 | 
7
+++++++

3 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/src/scpr.h b/src/scpr.h
@@ -85,6 +85,11 @@ scpr_polygon_setup_indexed_vertices
    void* data); /* Client data set as the last param of the callbacks */
 
 SCPR_API res_T
+scpr_polygon_copy
+  (const struct scpr_polygon* polygon,
+   struct scpr_polygon* copy);
+
+SCPR_API res_T
 scpr_offset_polygon
   (struct scpr_polygon* polygon,
    const double offset, /* Can be either positive or negative */
diff --git a/src/scpr_polygon.c b/src/scpr_polygon.c
@@ -227,6 +227,28 @@ error:
   }
   goto exit;
 }
+
+res_T
+scpr_polygon_copy
+  (const struct scpr_polygon* polygon,
+   struct scpr_polygon* copy)
+{
+  res_T res = RES_OK;
+
+  if(!polygon || !copy) {
+    res = RES_BAD_ARG;
+    goto error;
+  }
+
+  copy->paths = polygon->paths;
+  d2_set(copy->lower, polygon->lower);
+  d2_set(copy->upper, polygon->upper);
+
+exit:
+  return res;
+error:
+  goto exit;
+}
 #undef TRY
 
 res_T
@@ -369,3 +391,5 @@ exit:
 error:
   goto exit;
 }
+
+
diff --git a/src/test_scpr_polygon.c b/src/test_scpr_polygon.c
@@ -40,6 +40,7 @@ main(int argc, char** argv)
   struct mem_allocator allocator;
   struct polygon_context ctx;
   struct scpr_polygon* polygon;
+  struct scpr_polygon* copy;
   int eq;
   (void)argc, (void)argv;
 
@@ -52,6 +53,7 @@ main(int argc, char** argv)
   CHK(scpr_polygon_create(NULL, NULL) == RES_BAD_ARG);
   CHK(scpr_polygon_create(&allocator, NULL) == RES_BAD_ARG);
   CHK(scpr_polygon_create(NULL, &polygon) == RES_OK);
+  CHK(scpr_polygon_create(NULL, &copy) == RES_OK);
 
   CHK(scpr_polygon_ref_get(NULL) == RES_BAD_ARG);
   CHK(scpr_polygon_ref_get(polygon) == RES_OK);
@@ -128,12 +130,17 @@ main(int argc, char** argv)
     }
   }
 
+  scpr_polygon_copy(polygon, copy);
+  CHK(scpr_polygon_eq(polygon, copy, &eq) == RES_OK);
+  CHK(eq);
+
   CHK(scpr_offset_polygon(NULL, 0, SCPR_JOIN_TYPES_COUNT__) == RES_BAD_ARG);
   CHK(scpr_offset_polygon(polygon, 0, SCPR_JOIN_TYPES_COUNT__) == RES_BAD_ARG);
   CHK(scpr_offset_polygon(NULL, 0, SCPR_JOIN_MITER) == RES_BAD_ARG);
   CHK(scpr_offset_polygon(polygon, 0, SCPR_JOIN_MITER) == RES_OK);
 
   CHK(scpr_polygon_ref_put(polygon) == RES_OK);
+  CHK(scpr_polygon_ref_put(copy) == RES_OK);
 
   MEM_RM(&allocator, *coords);
   MEM_RM(&allocator, coords);