[Bf-blender-cvs] [20a4e33] master: Code cleanup: use consistent arg order for math api poly funcs

[Campbell Barton]

Commit: 20a4e338379581e4ca8c96f3fc1d8bad76e8ee36
Author: Campbell Barton
Date:   Thu Mar 27 07:31:21 2014 +1100
https://developer.blender.org/rB20a4e338379581e4ca8c96f3fc1d8bad76e8ee36

Code cleanup: use consistent arg order for math api poly funcs

===================================================================

M	source/blender/blenkernel/intern/mesh_evaluate.c
M	source/blender/blenlib/BLI_math_geom.h
M	source/blender/blenlib/intern/math_geom.c
M	source/blender/blenlib/intern/polyfill2d.c
M	source/blender/bmesh/intern/bmesh_polygon.c
M	source/blender/editors/uvedit/uvedit_draw.c

===================================================================

diff --git a/source/blender/blenkernel/intern/mesh_evaluate.c b/source/blender/blenkernel/intern/mesh_evaluate.c
index 01e3b7b..5d10c12 100644
--- a/source/blender/blenkernel/intern/mesh_evaluate.c
+++ b/source/blender/blenkernel/intern/mesh_evaluate.c
@@ -904,7 +904,7 @@ float BKE_mesh_calc_poly_area(MPoly *mpoly, MLoop *loopstart,
 		}
 
 		/* finally calculate the area */
-		area = area_poly_v3(mpoly->totloop, vertexcos, no);
+		area = area_poly_v3((const float (*)[3])vertexcos, (unsigned int)mpoly->totloop, no);
 
 		return area;
 	}
diff --git a/source/blender/blenlib/BLI_math_geom.h b/source/blender/blenlib/BLI_math_geom.h
index db32701..db71eeb 100644
--- a/source/blender/blenlib/BLI_math_geom.h
+++ b/source/blender/blenlib/BLI_math_geom.h
@@ -55,11 +55,11 @@ MINLINE float area_tri_signed_v2(const float v1[2], const float v2[2], const flo
 float area_tri_v3(const float a[3], const float b[3], const float c[3]);
 float area_tri_signed_v3(const float v1[3], const float v2[3], const float v3[3], const float normal[3]);
 float area_quad_v3(const float a[3], const float b[3], const float c[3], const float d[3]);
-float area_poly_v3(int nr, float verts[][3], const float normal[3]);
-float area_poly_v2(int nr, float verts[][2]);
+float area_poly_v3(const float verts[][3], unsigned int nr, const float normal[3]);
+float area_poly_v2(const float verts[][2], unsigned int nr);
 
 MINLINE float cross_tri_v2(const float v1[2], const float v2[2], const float v3[2]);
-float cross_poly_v2(int nr, float verts[][2]);
+float cross_poly_v2(const float verts[][2], unsigned int nr);
 
 /********************************* Planes **********************************/
 
diff --git a/source/blender/blenlib/intern/math_geom.c b/source/blender/blenlib/intern/math_geom.c
index 72b8f1c..6a81281 100644
--- a/source/blender/blenlib/intern/math_geom.c
+++ b/source/blender/blenlib/intern/math_geom.c
@@ -134,12 +134,13 @@ float area_tri_signed_v3(const float v1[3], const float v2[3], const float v3[3]
 	return area;
 }
 
-float area_poly_v3(int nr, float verts[][3], const float normal[3])
+float area_poly_v3(const float verts[][3], unsigned int nr, const float normal[3])
 {
-	int a, px, py;
+	unsigned int a;
+	int px, py;
 	const float max = axis_dominant_v3_max(&px, &py, normal);
 	float area;
-	float *co_curr, *co_prev;
+	const float *co_curr, *co_prev;
 
 	/* The Trapezium Area Rule */
 	co_prev = verts[nr - 1];
@@ -154,9 +155,9 @@ float area_poly_v3(int nr, float verts[][3], const float normal[3])
 	return fabsf(0.5f * area / max);
 }
 
-float cross_poly_v2(int nr, float verts[][2])
+float cross_poly_v2(const float verts[][2], unsigned int nr)
 {
-	int a;
+	unsigned int a;
 	float cross;
 	const float *co_curr, *co_prev;
 
@@ -173,9 +174,9 @@ float cross_poly_v2(int nr, float verts[][2])
 	return cross;
 }
 
-float area_poly_v2(int nr, float verts[][2])
+float area_poly_v2(const float verts[][2], unsigned int nr)
 {
-	return fabsf(0.5f * cross_poly_v2(nr, verts));
+	return fabsf(0.5f * cross_poly_v2(verts, nr));
 }
 
 /********************************* Planes **********************************/
diff --git a/source/blender/blenlib/intern/polyfill2d.c b/source/blender/blenlib/intern/polyfill2d.c
index 0b1b461..6dff597 100644
--- a/source/blender/blenlib/intern/polyfill2d.c
+++ b/source/blender/blenlib/intern/polyfill2d.c
@@ -400,7 +400,7 @@ void BLI_polyfill_calc_ex(
 	pf.tris_tot = 0;
 
 	if ((coords_tot < 3) ||
-	    cross_poly_v2((int)coords_tot, (float(*)[2])coords) > 0.0f)
+	    cross_poly_v2(coords, coords_tot) > 0.0f)
 	{
 		for (i = 0; i < coords_tot; i++) {
 			indices[i] = i;
diff --git a/source/blender/bmesh/intern/bmesh_polygon.c b/source/blender/bmesh/intern/bmesh_polygon.c
index 75f595d..3093cba 100644
--- a/source/blender/bmesh/intern/bmesh_polygon.c
+++ b/source/blender/bmesh/intern/bmesh_polygon.c
@@ -248,7 +248,7 @@ float BM_face_calc_area(BMFace *f)
 	else {
 		float normal[3];
 		calc_poly_normal(normal, verts, f->len);
-		area = area_poly_v3(f->len, verts, normal);
+		area = area_poly_v3((const float (*)[3])verts, f->len, normal);
 	}
 
 	return area;
@@ -1061,7 +1061,12 @@ void BM_face_legal_splits(BMFace *f, BMLoop *(*loops)[2], int len)
 	for (i = 0, l = BM_FACE_FIRST_LOOP(f); i < f->len; i++, l = l->next) {
 		BM_elem_index_set(l, i); /* set_loop */
 		mul_v2_m3v3(projverts[i], axis_mat, l->v->co);
+	}
+
+	/* first test for completely convex face */
 
+
+	for (i = 0, l = BM_FACE_FIRST_LOOP(f); i < f->len; i++, l = l->next) {
 		out[0] = max_ff(out[0], projverts[i][0]);
 		out[1] = max_ff(out[1], projverts[i][1]);
 	}
diff --git a/source/blender/editors/uvedit/uvedit_draw.c b/source/blender/editors/uvedit/uvedit_draw.c
index 9be3f39..62a3b13 100644
--- a/source/blender/editors/uvedit/uvedit_draw.c
+++ b/source/blender/editors/uvedit/uvedit_draw.c
@@ -205,7 +205,7 @@ static void draw_uvs_stretch(SpaceImage *sima, Scene *scene, BMEditMesh *em, MTe
 				uv_poly_copy_aspect(tf_uvorig, tf_uv, aspx, aspy, efa->len);
 
 				totarea += BM_face_calc_area(efa);
-				totuvarea += area_poly_v2(efa->len, tf_uv);
+				totuvarea += area_poly_v2((const float (*)[2])tf_uv, efa->len);
 				
 				if (uvedit_face_visible_test(scene, ima, efa, tf)) {
 					BM_elem_flag_enable(efa, BM_ELEM_TAG);
@@ -248,7 +248,7 @@ static void draw_uvs_stretch(SpaceImage *sima, Scene *scene, BMEditMesh *em, MTe
 
 						uv_poly_copy_aspect(tf_uvorig, tf_uv, aspx, aspy, efa->len);
 
-						uvarea = area_poly_v2(efa->len, tf_uv) / totuvarea;
+						uvarea = area_poly_v2((const float (*)[2])tf_uv, efa->len) / totuvarea;
 						
 						if (area < FLT_EPSILON || uvarea < FLT_EPSILON)
 							areadiff = 1.0f;