Connor McAdams : d2d1: Introduce a helper to check for Bézier segments.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0ff58fe1ac7b88c0bfdaa8ca8d48a9b7ce8eb6f9
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=0ff58fe1ac7b88c0bfdaa8ca8...

Author: Connor McAdams <conmanx360(a)gmail.com>
Date:   Thu May 21 00:12:44 2020 +0430

d2d1: Introduce a helper to check for Bézier segments.

Signed-off-by: Connor McAdams <conmanx360(a)gmail.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/d2d1/geometry.c | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/dlls/d2d1/geometry.c b/dlls/d2d1/geometry.c
index c18b648aef..fb82dfea7f 100644
--- a/dlls/d2d1/geometry.c
+++ b/dlls/d2d1/geometry.c
@@ -409,6 +409,11 @@ static void d2d_point_normalise(D2D1_POINT_2F *p)
         d2d_point_scale(p, 1.0f / l);
 }
 
+static BOOL d2d_vertex_type_is_bezier(enum d2d_vertex_type t)
+{
+    return (t == D2D_VERTEX_TYPE_BEZIER || t == D2D_VERTEX_TYPE_SPLIT_BEZIER);
+}
+
 /* This implementation is based on the paper "Adaptive Precision
  * Floating-Point Arithmetic and Fast Robust Geometric Predicates" and
  * associated (Public Domain) code by Jonathan Richard Shewchuk. */
@@ -1875,7 +1880,7 @@ static BOOL d2d_geometry_apply_intersections(struct d2d_geometry *geometry,
 
         figure = &geometry->u.path.figures[inter->figure_idx];
         vertex_type = figure->vertex_types[inter->vertex_idx + vertex_offset];
-        if (vertex_type != D2D_VERTEX_TYPE_BEZIER && vertex_type != D2D_VERTEX_TYPE_SPLIT_BEZIER)
+        if (!d2d_vertex_type_is_bezier(vertex_type))
         {
             if (!d2d_figure_insert_vertex(&geometry->u.path.figures[inter->figure_idx],
                     inter->vertex_idx + vertex_offset + 1, inter->p))
@@ -1961,9 +1966,9 @@ static BOOL d2d_geometry_intersect_self(struct d2d_geometry *geometry)
                 for (idx_q.vertex_idx = 0; idx_q.vertex_idx < max_q; ++idx_q.vertex_idx)
                 {
                     type_q = figure_q->vertex_types[idx_q.vertex_idx];
-                    if (type_q == D2D_VERTEX_TYPE_BEZIER)
+                    if (d2d_vertex_type_is_bezier(type_q))
                     {
-                        if (type_p == D2D_VERTEX_TYPE_BEZIER)
+                        if (d2d_vertex_type_is_bezier(type_p))
                         {
                             if (!d2d_geometry_intersect_bezier_bezier(geometry, &intersections,
                                     &idx_p, 0.0f, 1.0f, &idx_q, 0.0f, 1.0f))
@@ -1978,7 +1983,7 @@ static BOOL d2d_geometry_intersect_self(struct d2d_geometry *geometry)
                     }
                     else
                     {
-                        if (type_p == D2D_VERTEX_TYPE_BEZIER)
+                        if (d2d_vertex_type_is_bezier(type_p))
                         {
                             if (!d2d_geometry_intersect_bezier_line(geometry, &intersections, &idx_p, &idx_q))
                                 goto done;
@@ -1991,7 +1996,7 @@ static BOOL d2d_geometry_intersect_self(struct d2d_geometry *geometry)
                     }
                 }
             }
-            if (type_p == D2D_VERTEX_TYPE_BEZIER)
+            if (d2d_vertex_type_is_bezier(type_p))
                 ++idx_p.control_idx;
         }
     }
@@ -2328,7 +2333,7 @@ static BOOL d2d_geometry_add_figure_outline(struct d2d_geometry *geometry,
         if (!i)
         {
             prev_type = figure->vertex_types[figure->vertex_count - 1];
-            if (prev_type == D2D_VERTEX_TYPE_BEZIER)
+            if (d2d_vertex_type_is_bezier(prev_type))
                 prev = &figure->bezier_controls[figure->bezier_control_count - 1];
             else
                 prev = &figure->vertices[figure->vertex_count - 1];
@@ -2336,13 +2341,13 @@ static BOOL d2d_geometry_add_figure_outline(struct d2d_geometry *geometry,
         else
         {
             prev_type = figure->vertex_types[i - 1];
-            if (prev_type == D2D_VERTEX_TYPE_BEZIER)
+            if (d2d_vertex_type_is_bezier(prev_type))
                 prev = &figure->bezier_controls[bezier_idx - 1];
             else
                 prev = &figure->vertices[i - 1];
         }
 
-        if (type == D2D_VERTEX_TYPE_BEZIER)
+        if (d2d_vertex_type_is_bezier(type))
             next = &figure->bezier_controls[bezier_idx++];
         else if (i == figure->vertex_count - 1)
             next = &figure->vertices[0];
@@ -2372,7 +2377,7 @@ static BOOL d2d_geometry_add_figure_outline(struct d2d_geometry *geometry,
             ERR("Failed to add line segment.\n");
             return FALSE;
         }
-        else if (type == D2D_VERTEX_TYPE_BEZIER)
+        else if (d2d_vertex_type_is_bezier(type))
         {
             const D2D1_POINT_2F *p2;
 
@@ -2674,8 +2679,7 @@ static BOOL d2d_geometry_get_bezier_segment_idx(struct d2d_geometry *geometry, s
 
         for (; idx->vertex_idx < figure->vertex_count; ++idx->vertex_idx)
         {
-            if (figure->vertex_types[idx->vertex_idx] == D2D_VERTEX_TYPE_BEZIER
-                    || figure->vertex_types[idx->vertex_idx] == D2D_VERTEX_TYPE_SPLIT_BEZIER)
+            if (d2d_vertex_type_is_bezier(figure->vertex_types[idx->vertex_idx]))
                 return TRUE;
         }
     }
@@ -3230,7 +3234,7 @@ static HRESULT STDMETHODCALLTYPE d2d_path_geometry_GetBounds(ID2D1PathGeometry *
             type = figure->vertex_types[j];
         }
 
-        if (type == D2D_VERTEX_TYPE_BEZIER)
+        if (d2d_vertex_type_is_bezier(type))
         {
             p1 = figure->original_bezier_controls[bezier_idx++];
             d2d_point_transform(&p1, transform, p1.x, p1.y);
@@ -3436,7 +3440,7 @@ static HRESULT STDMETHODCALLTYPE d2d_path_geometry_Simplify(ID2D1PathGeometry *i
             type = figure->vertex_types[j];
         }
 
-        if (type == D2D_VERTEX_TYPE_BEZIER)
+        if (d2d_vertex_type_is_bezier(type))
         {
             p1 = figure->original_bezier_controls[bezier_idx++];
             if (transform)