[PATCH 6/9] d2d1: Introduce a helper to check for Bézier segments.
Henri Verbeet
hverbeet at codeweavers.com
Wed May 20 14:24:44 CDT 2020
From: Connor McAdams <conmanx360 at gmail.com>
Signed-off-by: Connor McAdams <conmanx360 at gmail.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
This supersedes patch 185333.
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 c18b648aef4..fb82dfea7f2 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)
--
2.20.1
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