[PATCH v2 2/2] d2d1: Implement ellipse drawing.
Giovanni Mascellani
gio at debian.org
Mon Jan 27 08:20:05 CST 2020
Currently the ellipse is approximated with quadratic Bézier curves.
Signed-off-by: Giovanni Mascellani <gio at debian.org>
---
dlls/d2d1/d2d1_private.h | 12 ++
dlls/d2d1/factory.c | 20 ++-
dlls/d2d1/geometry.c | 282 +++++++++++++++++++++++++++++++++++++++
3 files changed, 312 insertions(+), 2 deletions(-)
diff --git a/dlls/d2d1/d2d1_private.h b/dlls/d2d1/d2d1_private.h
index 2c0a14a71f..1b825cd65a 100644
--- a/dlls/d2d1/d2d1_private.h
+++ b/dlls/d2d1/d2d1_private.h
@@ -487,6 +487,10 @@ struct d2d_geometry
D2D1_ROUNDED_RECT rounded_rect;
} rounded_rectangle;
struct
+ {
+ D2D1_ELLIPSE ellipse;
+ } ellipse;
+ struct
{
ID2D1Geometry *src_geometry;
D2D_MATRIX_3X2_F transform;
@@ -505,6 +509,8 @@ HRESULT d2d_rectangle_geometry_init(struct d2d_geometry *geometry,
ID2D1Factory *factory, const D2D1_RECT_F *rect) DECLSPEC_HIDDEN;
HRESULT d2d_rounded_rectangle_geometry_init(struct d2d_geometry *geometry,
ID2D1Factory *factory, const D2D1_ROUNDED_RECT *rounded_rect) DECLSPEC_HIDDEN;
+HRESULT d2d_ellipse_geometry_init(struct d2d_geometry *geometry,
+ ID2D1Factory *factory, const D2D1_ELLIPSE *ellipse) DECLSPEC_HIDDEN;
void d2d_transformed_geometry_init(struct d2d_geometry *geometry, ID2D1Factory *factory,
ID2D1Geometry *src_geometry, const D2D_MATRIX_3X2_F *transform) DECLSPEC_HIDDEN;
HRESULT d2d_geometry_group_init(struct d2d_geometry *geometry, ID2D1Factory *factory,
@@ -633,4 +639,10 @@ static inline const char *debug_d2d_rounded_rect(const D2D1_ROUNDED_RECT *rounde
rounded_rect->rect.right, rounded_rect->rect.bottom, rounded_rect->radiusX, rounded_rect->radiusY );
}
+static inline const char *debug_d2d_ellipse(const D2D1_ELLIPSE *ellipse)
+{
+ if (!ellipse) return "(null)";
+ return wine_dbg_sprintf("(%.8e,%.8e)[%.8e,%.8e]", ellipse->point.x, ellipse->point.y, ellipse->radiusX, ellipse->radiusY );
+}
+
#endif /* __WINE_D2D1_PRIVATE_H */
diff --git a/dlls/d2d1/factory.c b/dlls/d2d1/factory.c
index 86284f4ae4..9fb7d05cca 100644
--- a/dlls/d2d1/factory.c
+++ b/dlls/d2d1/factory.c
@@ -178,9 +178,25 @@ static HRESULT STDMETHODCALLTYPE d2d_factory_CreateRoundedRectangleGeometry(ID2D
static HRESULT STDMETHODCALLTYPE d2d_factory_CreateEllipseGeometry(ID2D1Factory2 *iface,
const D2D1_ELLIPSE *ellipse, ID2D1EllipseGeometry **geometry)
{
- FIXME("iface %p, ellipse %p, geometry %p stub!\n", iface, ellipse, geometry);
+ struct d2d_geometry *object;
+ HRESULT hr;
- return E_NOTIMPL;
+ TRACE("iface %p, ellipse %s, geometry %p.\n", iface, debug_d2d_ellipse(ellipse), geometry);
+
+ if (!(object = heap_alloc_zero(sizeof(*object))))
+ return E_OUTOFMEMORY;
+
+ if (FAILED(hr = d2d_ellipse_geometry_init(object, (ID2D1Factory *)iface, ellipse)))
+ {
+ WARN("Failed to initialize ellipse geometry, hr %#x.\n", hr);
+ heap_free(object);
+ return hr;
+ }
+
+ TRACE("Created rounded ellipse %p.\n", object);
+ *geometry = (ID2D1EllipseGeometry *)&object->ID2D1Geometry_iface;
+
+ return S_OK;
}
static HRESULT STDMETHODCALLTYPE d2d_factory_CreateGeometryGroup(ID2D1Factory2 *iface,
diff --git a/dlls/d2d1/geometry.c b/dlls/d2d1/geometry.c
index 072d360590..c3e2862a53 100644
--- a/dlls/d2d1/geometry.c
+++ b/dlls/d2d1/geometry.c
@@ -4149,6 +4149,287 @@ fail:
return E_OUTOFMEMORY;
}
+static inline struct d2d_geometry *impl_from_ID2D1EllipseGeometry(ID2D1EllipseGeometry *iface)
+{
+ return CONTAINING_RECORD(iface, struct d2d_geometry, ID2D1Geometry_iface);
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_QueryInterface(ID2D1EllipseGeometry *iface,
+ REFIID iid, void **out)
+{
+ TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
+
+ if (IsEqualGUID(iid, &IID_ID2D1EllipseGeometry)
+ || IsEqualGUID(iid, &IID_ID2D1Geometry)
+ || IsEqualGUID(iid, &IID_ID2D1Resource)
+ || IsEqualGUID(iid, &IID_IUnknown))
+ {
+ ID2D1EllipseGeometry_AddRef(iface);
+ *out = iface;
+ return S_OK;
+ }
+
+ WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
+
+ *out = NULL;
+ return E_NOINTERFACE;
+}
+
+static ULONG STDMETHODCALLTYPE d2d_ellipse_geometry_AddRef(ID2D1EllipseGeometry *iface)
+{
+ struct d2d_geometry *geometry = impl_from_ID2D1EllipseGeometry(iface);
+ ULONG refcount = InterlockedIncrement(&geometry->refcount);
+
+ TRACE("%p increasing refcount to %u.\n", iface, refcount);
+
+ return refcount;
+}
+
+static ULONG STDMETHODCALLTYPE d2d_ellipse_geometry_Release(ID2D1EllipseGeometry *iface)
+{
+ struct d2d_geometry *geometry = impl_from_ID2D1EllipseGeometry(iface);
+ ULONG refcount = InterlockedDecrement(&geometry->refcount);
+
+ TRACE("%p decreasing refcount to %u.\n", iface, refcount);
+
+ if (!refcount)
+ {
+ d2d_geometry_cleanup(geometry);
+ heap_free(geometry);
+ }
+
+ return refcount;
+}
+
+static void STDMETHODCALLTYPE d2d_ellipse_geometry_GetFactory(ID2D1EllipseGeometry *iface, ID2D1Factory **factory)
+{
+ struct d2d_geometry *geometry = impl_from_ID2D1EllipseGeometry(iface);
+
+ TRACE("iface %p, factory %p.\n", iface, factory);
+
+ ID2D1Factory_AddRef(*factory = geometry->factory);
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_GetBounds(ID2D1EllipseGeometry *iface,
+ const D2D1_MATRIX_3X2_F *transform, D2D1_RECT_F *bounds)
+{
+ FIXME("iface %p, transform %p, bounds %p stub!\n", iface, transform, bounds);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_GetWidenedBounds(ID2D1EllipseGeometry *iface,
+ float stroke_width, ID2D1StrokeStyle *stroke_style, const D2D1_MATRIX_3X2_F *transform,
+ float tolerance, D2D1_RECT_F *bounds)
+{
+ FIXME("iface %p, stroke_width %.8e, stroke_style %p, transform %p, tolerance %.8e, bounds %p stub!\n",
+ iface, stroke_width, stroke_style, transform, tolerance, bounds);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_StrokeContainsPoint(ID2D1EllipseGeometry *iface,
+ D2D1_POINT_2F point, float stroke_width, ID2D1StrokeStyle *stroke_style, const D2D1_MATRIX_3X2_F *transform,
+ float tolerance, BOOL *contains)
+{
+ FIXME("iface %p, point %s, stroke_width %.8e, stroke_style %p, transform %p, tolerance %.8e, contains %p stub!\n",
+ iface, debug_d2d_point_2f(&point), stroke_width, stroke_style, transform, tolerance, contains);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_FillContainsPoint(ID2D1EllipseGeometry *iface,
+ D2D1_POINT_2F point, const D2D1_MATRIX_3X2_F *transform, float tolerance, BOOL *contains)
+{
+ FIXME("iface %p, point %s, transform %p, tolerance %.8e, contains %p stub!\n",
+ iface, debug_d2d_point_2f(&point), transform, tolerance, contains);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_CompareWithGeometry(ID2D1EllipseGeometry *iface,
+ ID2D1Geometry *geometry, const D2D1_MATRIX_3X2_F *transform, float tolerance, D2D1_GEOMETRY_RELATION *relation)
+{
+ FIXME("iface %p, geometry %p, transform %p, tolerance %.8e, relation %p stub!\n",
+ iface, geometry, transform, tolerance, relation);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_Simplify(ID2D1EllipseGeometry *iface,
+ D2D1_GEOMETRY_SIMPLIFICATION_OPTION option, const D2D1_MATRIX_3X2_F *transform, float tolerance,
+ ID2D1SimplifiedGeometrySink *sink)
+{
+ FIXME("iface %p, option %#x, transform %p, tolerance %.8e, sink %p stub!\n",
+ iface, option, transform, tolerance, sink);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_Tessellate(ID2D1EllipseGeometry *iface,
+ const D2D1_MATRIX_3X2_F *transform, float tolerance, ID2D1TessellationSink *sink)
+{
+ FIXME("iface %p, transform %p, tolerance %.8e, sink %p stub!\n", iface, transform, tolerance, sink);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_CombineWithGeometry(ID2D1EllipseGeometry *iface,
+ ID2D1Geometry *geometry, D2D1_COMBINE_MODE combine_mode, const D2D1_MATRIX_3X2_F *transform,
+ float tolerance, ID2D1SimplifiedGeometrySink *sink)
+{
+ FIXME("iface %p, geometry %p, combine_mode %#x, transform %p, tolerance %.8e, sink %p stub!\n",
+ iface, geometry, combine_mode, transform, tolerance, sink);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_Outline(ID2D1EllipseGeometry *iface,
+ const D2D1_MATRIX_3X2_F *transform, float tolerance, ID2D1SimplifiedGeometrySink *sink)
+{
+ FIXME("iface %p, transform %p, tolerance %.8e, sink %p stub!\n", iface, transform, tolerance, sink);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_ComputeArea(ID2D1EllipseGeometry *iface,
+ const D2D1_MATRIX_3X2_F *transform, float tolerance, float *area)
+{
+ FIXME("iface %p, transform %p, tolerance %.8e, area %p stub!\n", iface, transform, tolerance, area);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_ComputeLength(ID2D1EllipseGeometry *iface,
+ const D2D1_MATRIX_3X2_F *transform, float tolerance, float *length)
+{
+ FIXME("iface %p, transform %p, tolerance %.8e, length %p stub!\n", iface, transform, tolerance, length);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_ComputePointAtLength(ID2D1EllipseGeometry *iface,
+ float length, const D2D1_MATRIX_3X2_F *transform, float tolerance, D2D1_POINT_2F *point,
+ D2D1_POINT_2F *tangent)
+{
+ FIXME("iface %p, length %.8e, transform %p, tolerance %.8e, point %p, tangent %p stub!\n",
+ iface, length, transform, tolerance, point, tangent);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_ellipse_geometry_Widen(ID2D1EllipseGeometry *iface, float stroke_width,
+ ID2D1StrokeStyle *stroke_style, const D2D1_MATRIX_3X2_F *transform, float tolerance,
+ ID2D1SimplifiedGeometrySink *sink)
+{
+ FIXME("iface %p, stroke_width %.8e, stroke_style %p, transform %p, tolerance %.8e, sink %p stub!\n",
+ iface, stroke_width, stroke_style, transform, tolerance, sink);
+
+ return E_NOTIMPL;
+}
+
+static void STDMETHODCALLTYPE d2d_ellipse_geometry_GetRoundedRect(ID2D1EllipseGeometry *iface, D2D1_ELLIPSE *ellipse)
+{
+ struct d2d_geometry *geometry = impl_from_ID2D1EllipseGeometry(iface);
+
+ TRACE("iface %p, ellipse %p.\n", iface, ellipse);
+
+ *ellipse = geometry->u.ellipse.ellipse;
+}
+
+static const struct ID2D1EllipseGeometryVtbl d2d_ellipse_geometry_vtbl =
+{
+ d2d_ellipse_geometry_QueryInterface,
+ d2d_ellipse_geometry_AddRef,
+ d2d_ellipse_geometry_Release,
+ d2d_ellipse_geometry_GetFactory,
+ d2d_ellipse_geometry_GetBounds,
+ d2d_ellipse_geometry_GetWidenedBounds,
+ d2d_ellipse_geometry_StrokeContainsPoint,
+ d2d_ellipse_geometry_FillContainsPoint,
+ d2d_ellipse_geometry_CompareWithGeometry,
+ d2d_ellipse_geometry_Simplify,
+ d2d_ellipse_geometry_Tessellate,
+ d2d_ellipse_geometry_CombineWithGeometry,
+ d2d_ellipse_geometry_Outline,
+ d2d_ellipse_geometry_ComputeArea,
+ d2d_ellipse_geometry_ComputeLength,
+ d2d_ellipse_geometry_ComputePointAtLength,
+ d2d_ellipse_geometry_Widen,
+ d2d_ellipse_geometry_GetRoundedRect,
+};
+
+HRESULT d2d_ellipse_geometry_init(struct d2d_geometry *geometry, ID2D1Factory *factory, const D2D1_ELLIPSE *ellipse)
+{
+ struct d2d_face *f;
+ struct d2d_bezier_vertex *bv;
+ D2D1_POINT_2F *v, v1, v2, v3, v4;
+ float l, r, t, b;
+
+ d2d_geometry_init(geometry, factory, &identity, (ID2D1GeometryVtbl *)&d2d_ellipse_geometry_vtbl);
+ geometry->u.ellipse.ellipse = *ellipse;
+
+ if (!(geometry->fill.vertices = heap_alloc(4 * sizeof(*geometry->fill.vertices))))
+ goto fail;
+ if (!d2d_array_reserve((void **)&geometry->fill.faces,
+ &geometry->fill.faces_size, 2, sizeof(*geometry->fill.faces)))
+ goto fail;
+ if (!(geometry->fill.bezier_vertices = heap_alloc(12 * sizeof(*geometry->fill.bezier_vertices))))
+ goto fail;
+
+ l = ellipse->point.x - ellipse->radiusX;
+ r = ellipse->point.x + ellipse->radiusX;
+ t = ellipse->point.y - ellipse->radiusY;
+ b = ellipse->point.y + ellipse->radiusY;
+
+ d2d_point_set(&v1, r, t);
+ d2d_point_set(&v2, r, b);
+ d2d_point_set(&v3, l, b);
+ d2d_point_set(&v4, l, t);
+
+ v = geometry->fill.vertices;
+ d2d_point_set(&v[0], ellipse->point.x, t);
+ d2d_point_set(&v[1], r, ellipse->point.y);
+ d2d_point_set(&v[2], ellipse->point.x, b);
+ d2d_point_set(&v[3], l, ellipse->point.y);
+ geometry->fill.vertex_count = 4;
+
+ f = geometry->fill.faces;
+ d2d_face_set(&f[0], 0, 3, 2);
+ d2d_face_set(&f[1], 0, 2, 1);
+ geometry->fill.face_count = 2;
+
+ bv = geometry->fill.bezier_vertices;
+ d2d_bezier_vertex_set(&bv[0], &v[0], 0.0f, 0.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[1], &v1, 0.5f, 0.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[2], &v[1], 1.0f, 1.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[3], &v[1], 0.0f, 0.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[4], &v2, 0.5f, 0.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[5], &v[2], 1.0f, 1.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[6], &v[2], 0.0f, 0.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[7], &v3, 0.5f, 0.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[8], &v[3], 1.0f, 1.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[9], &v[3], 0.0f, 0.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[10], &v4, 0.5f, 0.0f, -1.0f);
+ d2d_bezier_vertex_set(&bv[11], &v[0], 1.0f, 1.0f, -1.0f);
+ geometry->fill.bezier_vertex_count = 12;
+
+ if (!d2d_geometry_outline_add_arc_quadrant(geometry, &v[0], &v1, &v[1]))
+ goto fail;
+ if (!d2d_geometry_outline_add_arc_quadrant(geometry, &v[1], &v2, &v[2]))
+ goto fail;
+ if (!d2d_geometry_outline_add_arc_quadrant(geometry, &v[2], &v3, &v[3]))
+ goto fail;
+ if (!d2d_geometry_outline_add_arc_quadrant(geometry, &v[3], &v4, &v[0]))
+ goto fail;
+
+ return S_OK;
+
+fail:
+ d2d_geometry_cleanup(geometry);
+ return E_OUTOFMEMORY;
+}
+
static inline struct d2d_geometry *impl_from_ID2D1TransformedGeometry(ID2D1TransformedGeometry *iface)
{
return CONTAINING_RECORD(iface, struct d2d_geometry, ID2D1Geometry_iface);
@@ -4695,6 +4976,7 @@ struct d2d_geometry *unsafe_impl_from_ID2D1Geometry(ID2D1Geometry *iface)
assert(iface->lpVtbl == (const ID2D1GeometryVtbl *)&d2d_path_geometry_vtbl
|| iface->lpVtbl == (const ID2D1GeometryVtbl *)&d2d_rectangle_geometry_vtbl
|| iface->lpVtbl == (const ID2D1GeometryVtbl *)&d2d_rounded_rectangle_geometry_vtbl
+ || iface->lpVtbl == (const ID2D1GeometryVtbl *)&d2d_ellipse_geometry_vtbl
|| iface->lpVtbl == (const ID2D1GeometryVtbl *)&d2d_transformed_geometry_vtbl
|| iface->lpVtbl == (const ID2D1GeometryVtbl *)&d2d_geometry_group_vtbl);
return CONTAINING_RECORD(iface, struct d2d_geometry, ID2D1Geometry_iface);
--
2.25.0
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