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goma / wine / ed36314dd9c9042bb1cc0d75c2e5c3c64685c8eb / . / dlls / d2d1 / geometry.c
blob: a705723b4daa82f83d75114e9e8a0fc8cb489df9 [file] [log] [blame]
/*
* Copyright 2015 Henri Verbeet for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include "d2d1_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d2d);
#define D2D_CDT_EDGE_FLAG_FREED 0x80000000u
#define D2D_CDT_EDGE_FLAG_VISITED(r) (1u << (r))
static const D2D1_MATRIX_3X2_F identity =
{
1.0f, 0.0f,
0.0f, 1.0f,
0.0f, 0.0f,
};
enum d2d_cdt_edge_next
{
D2D_EDGE_NEXT_ORIGIN = 0,
D2D_EDGE_NEXT_ROT = 1,
D2D_EDGE_NEXT_SYM = 2,
D2D_EDGE_NEXT_TOR = 3,
};
struct d2d_figure
{
D2D1_POINT_2F *vertices;
size_t vertices_size;
size_t vertex_count;
struct d2d_bezier *beziers;
size_t beziers_size;
size_t bezier_count;
};
struct d2d_cdt_edge_ref
{
size_t idx;
enum d2d_cdt_edge_next r;
};
struct d2d_cdt_edge
{
struct d2d_cdt_edge_ref next[4];
size_t vertex[2];
unsigned int flags;
};
struct d2d_cdt
{
struct d2d_cdt_edge *edges;
size_t edges_size;
size_t edge_count;
size_t free_edge;
const D2D1_POINT_2F *vertices;
};
static void d2d_point_subtract(D2D1_POINT_2F *out,
const D2D1_POINT_2F *a, const D2D1_POINT_2F *b)
{
out->x = a->x - b->x;
out->y = a->y - b->y;
}
static float d2d_point_ccw(const D2D1_POINT_2F *a, const D2D1_POINT_2F *b, const D2D1_POINT_2F *c)
{
D2D1_POINT_2F ab, ac;
d2d_point_subtract(&ab, b, a);
d2d_point_subtract(&ac, c, a);
return ab.x * ac.y - ab.y * ac.x;
}
static BOOL d2d_array_reserve(void **elements, size_t *capacity, size_t element_count, size_t element_size)
{
size_t new_capacity, max_capacity;
void *new_elements;
if (element_count <= *capacity)
return TRUE;
max_capacity = ~(size_t)0 / element_size;
if (max_capacity < element_count)
return FALSE;
new_capacity = max(*capacity, 4);
while (new_capacity < element_count && new_capacity <= max_capacity / 2)
new_capacity *= 2;
if (new_capacity < element_count)
new_capacity = max_capacity;
if (*elements)
new_elements = HeapReAlloc(GetProcessHeap(), 0, *elements, new_capacity * element_size);
else
new_elements = HeapAlloc(GetProcessHeap(), 0, new_capacity * element_size);
if (!new_elements)
return FALSE;
*elements = new_elements;
*capacity = new_capacity;
return TRUE;
}
static BOOL d2d_figure_insert_vertex(struct d2d_figure *figure, size_t idx, D2D1_POINT_2F vertex)
{
if (!d2d_array_reserve((void **)&figure->vertices, &figure->vertices_size,
figure->vertex_count + 1, sizeof(*figure->vertices)))
{
ERR("Failed to grow vertices array.\n");
return FALSE;
}
memmove(&figure->vertices[idx + 1], &figure->vertices[idx],
(figure->vertex_count - idx) * sizeof(*figure->vertices));
figure->vertices[idx] = vertex;
++figure->vertex_count;
return TRUE;
}
static BOOL d2d_figure_add_vertex(struct d2d_figure *figure, D2D1_POINT_2F vertex)
{
if (!d2d_array_reserve((void **)&figure->vertices, &figure->vertices_size,
figure->vertex_count + 1, sizeof(*figure->vertices)))
{
ERR("Failed to grow vertices array.\n");
return FALSE;
}
figure->vertices[figure->vertex_count] = vertex;
++figure->vertex_count;
return TRUE;
}
/* FIXME: No inside/outside testing is done for beziers. */
static BOOL d2d_figure_add_bezier(struct d2d_figure *figure, D2D1_POINT_2F p0, D2D1_POINT_2F p1, D2D1_POINT_2F p2)
{
struct d2d_bezier *b;
unsigned int idx1, idx2;
float sign;
if (!d2d_array_reserve((void **)&figure->beziers, &figure->beziers_size,
figure->bezier_count + 1, sizeof(*figure->beziers)))
{
ERR("Failed to grow beziers array.\n");
return FALSE;
}
if (d2d_point_ccw(&p0, &p1, &p2) > 0.0f)
{
sign = -1.0f;
idx1 = 1;
idx2 = 2;
}
else
{
sign = 1.0f;
idx1 = 2;
idx2 = 1;
}
b = &figure->beziers[figure->bezier_count];
b->v[0].position = p0;
b->v[0].texcoord.u = 0.0f;
b->v[0].texcoord.v = 0.0f;
b->v[0].texcoord.sign = sign;
b->v[idx1].position = p1;
b->v[idx1].texcoord.u = 0.5f;
b->v[idx1].texcoord.v = 0.0f;
b->v[idx1].texcoord.sign = sign;
b->v[idx2].position = p2;
b->v[idx2].texcoord.u = 1.0f;
b->v[idx2].texcoord.v = 1.0f;
b->v[idx2].texcoord.sign = sign;
++figure->bezier_count;
if (sign > 0.0f && !d2d_figure_add_vertex(figure, p1))
return FALSE;
if (!d2d_figure_add_vertex(figure, p2))
return FALSE;
return TRUE;
}
static void d2d_cdt_edge_rot(struct d2d_cdt_edge_ref *dst, const struct d2d_cdt_edge_ref *src)
{
dst->idx = src->idx;
dst->r = (src->r + D2D_EDGE_NEXT_ROT) & 3;
}
static void d2d_cdt_edge_sym(struct d2d_cdt_edge_ref *dst, const struct d2d_cdt_edge_ref *src)
{
dst->idx = src->idx;
dst->r = (src->r + D2D_EDGE_NEXT_SYM) & 3;
}
static void d2d_cdt_edge_tor(struct d2d_cdt_edge_ref *dst, const struct d2d_cdt_edge_ref *src)
{
dst->idx = src->idx;
dst->r = (src->r + D2D_EDGE_NEXT_TOR) & 3;
}
static void d2d_cdt_edge_next_left(const struct d2d_cdt *cdt,
struct d2d_cdt_edge_ref *dst, const struct d2d_cdt_edge_ref *src)
{
d2d_cdt_edge_rot(dst, &cdt->edges[src->idx].next[(src->r + D2D_EDGE_NEXT_TOR) & 3]);
}
static void d2d_cdt_edge_next_origin(const struct d2d_cdt *cdt,
struct d2d_cdt_edge_ref *dst, const struct d2d_cdt_edge_ref *src)
{
*dst = cdt->edges[src->idx].next[src->r];
}
static void d2d_cdt_edge_prev_origin(const struct d2d_cdt *cdt,
struct d2d_cdt_edge_ref *dst, const struct d2d_cdt_edge_ref *src)
{
d2d_cdt_edge_rot(dst, &cdt->edges[src->idx].next[(src->r + D2D_EDGE_NEXT_ROT) & 3]);
}
static size_t d2d_cdt_edge_origin(const struct d2d_cdt *cdt, const struct d2d_cdt_edge_ref *e)
{
return cdt->edges[e->idx].vertex[e->r >> 1];
}
static size_t d2d_cdt_edge_destination(const struct d2d_cdt *cdt, const struct d2d_cdt_edge_ref *e)
{
return cdt->edges[e->idx].vertex[!(e->r >> 1)];
}
static void d2d_cdt_edge_set_origin(const struct d2d_cdt *cdt,
const struct d2d_cdt_edge_ref *e, size_t vertex)
{
cdt->edges[e->idx].vertex[e->r >> 1] = vertex;
}
static void d2d_cdt_edge_set_destination(const struct d2d_cdt *cdt,
const struct d2d_cdt_edge_ref *e, size_t vertex)
{
cdt->edges[e->idx].vertex[!(e->r >> 1)] = vertex;
}
static float d2d_cdt_ccw(const struct d2d_cdt *cdt, size_t a, size_t b, size_t c)
{
return d2d_point_ccw(&cdt->vertices[a], &cdt->vertices[b], &cdt->vertices[c]);
}
static BOOL d2d_cdt_rightof(const struct d2d_cdt *cdt, size_t p, const struct d2d_cdt_edge_ref *e)
{
return d2d_cdt_ccw(cdt, p, d2d_cdt_edge_destination(cdt, e), d2d_cdt_edge_origin(cdt, e)) > 0.0f;
}
static BOOL d2d_cdt_leftof(const struct d2d_cdt *cdt, size_t p, const struct d2d_cdt_edge_ref *e)
{
return d2d_cdt_ccw(cdt, p, d2d_cdt_edge_origin(cdt, e), d2d_cdt_edge_destination(cdt, e)) > 0.0f;
}
/* Determine if point D is inside or outside the circle defined by points A,
* B, C. As explained in the paper by Guibas and Stolfi, this is equivalent to
* calculating the signed volume of the tetrahedron defined by projecting the
* points onto the paraboloid of revolution x = x² + y²,
* λ:(x, y) → (x, y, x² + y²). I.e., D is inside the cirlce if
*
* |λ(A) 1|
* |λ(B) 1| > 0
* |λ(C) 1|
* |λ(D) 1|
*
* After translating D to the origin, that becomes:
*
* |λ(A-D)|
* |λ(B-D)| > 0
* |λ(C-D)| */
static BOOL d2d_cdt_incircle(const struct d2d_cdt *cdt, size_t a, size_t b, size_t c, size_t d)
{
const D2D1_POINT_2F *p = cdt->vertices;
const struct
{
double x, y;
}
da = {p[a].x - p[d].x, p[a].y - p[d].y},
db = {p[b].x - p[d].x, p[b].y - p[d].y},
dc = {p[c].x - p[d].x, p[c].y - p[d].y};
return (da.x * da.x + da.y * da.y) * (db.x * dc.y - db.y * dc.x)
+ (db.x * db.x + db.y * db.y) * (dc.x * da.y - dc.y * da.x)
+ (dc.x * dc.x + dc.y * dc.y) * (da.x * db.y - da.y * db.x) > 0.0;
}
static void d2d_cdt_splice(const struct d2d_cdt *cdt, const struct d2d_cdt_edge_ref *a,
const struct d2d_cdt_edge_ref *b)
{
struct d2d_cdt_edge_ref ta, tb, alpha, beta;
ta = cdt->edges[a->idx].next[a->r];
tb = cdt->edges[b->idx].next[b->r];
cdt->edges[a->idx].next[a->r] = tb;
cdt->edges[b->idx].next[b->r] = ta;
d2d_cdt_edge_rot(&alpha, &ta);
d2d_cdt_edge_rot(&beta, &tb);
ta = cdt->edges[alpha.idx].next[alpha.r];
tb = cdt->edges[beta.idx].next[beta.r];
cdt->edges[alpha.idx].next[alpha.r] = tb;
cdt->edges[beta.idx].next[beta.r] = ta;
}
static BOOL d2d_cdt_create_edge(struct d2d_cdt *cdt, struct d2d_cdt_edge_ref *e)
{
struct d2d_cdt_edge *edge;
if (cdt->free_edge != ~0u)
{
e->idx = cdt->free_edge;
cdt->free_edge = cdt->edges[e->idx].next[D2D_EDGE_NEXT_ORIGIN].idx;
}
else
{
if (!d2d_array_reserve((void **)&cdt->edges, &cdt->edges_size, cdt->edge_count + 1, sizeof(*cdt->edges)))
{
ERR("Failed to grow edges array.\n");
return FALSE;
}
e->idx = cdt->edge_count++;
}
e->r = 0;
edge = &cdt->edges[e->idx];
edge->next[D2D_EDGE_NEXT_ORIGIN] = *e;
d2d_cdt_edge_tor(&edge->next[D2D_EDGE_NEXT_ROT], e);
d2d_cdt_edge_sym(&edge->next[D2D_EDGE_NEXT_SYM], e);
d2d_cdt_edge_rot(&edge->next[D2D_EDGE_NEXT_TOR], e);
edge->flags = 0;
return TRUE;
}
static void d2d_cdt_destroy_edge(struct d2d_cdt *cdt, const struct d2d_cdt_edge_ref *e)
{
struct d2d_cdt_edge_ref next, sym, prev;
d2d_cdt_edge_next_origin(cdt, &next, e);
if (next.idx != e->idx || next.r != e->r)
{
d2d_cdt_edge_prev_origin(cdt, &prev, e);
d2d_cdt_splice(cdt, e, &prev);
}
d2d_cdt_edge_sym(&sym, e);
d2d_cdt_edge_next_origin(cdt, &next, &sym);
if (next.idx != sym.idx || next.r != sym.r)
{
d2d_cdt_edge_prev_origin(cdt, &prev, &sym);
d2d_cdt_splice(cdt, &sym, &prev);
}
cdt->edges[e->idx].flags |= D2D_CDT_EDGE_FLAG_FREED;
cdt->edges[e->idx].next[D2D_EDGE_NEXT_ORIGIN].idx = cdt->free_edge;
cdt->free_edge = e->idx;
}
static BOOL d2d_cdt_connect(struct d2d_cdt *cdt, struct d2d_cdt_edge_ref *e,
const struct d2d_cdt_edge_ref *a, const struct d2d_cdt_edge_ref *b)
{
struct d2d_cdt_edge_ref tmp;
if (!d2d_cdt_create_edge(cdt, e))
return FALSE;
d2d_cdt_edge_set_origin(cdt, e, d2d_cdt_edge_destination(cdt, a));
d2d_cdt_edge_set_destination(cdt, e, d2d_cdt_edge_origin(cdt, b));
d2d_cdt_edge_next_left(cdt, &tmp, a);
d2d_cdt_splice(cdt, e, &tmp);
d2d_cdt_edge_sym(&tmp, e);
d2d_cdt_splice(cdt, &tmp, b);
return TRUE;
}
static BOOL d2d_cdt_merge(struct d2d_cdt *cdt, struct d2d_cdt_edge_ref *left_outer,
struct d2d_cdt_edge_ref *left_inner, struct d2d_cdt_edge_ref *right_inner,
struct d2d_cdt_edge_ref *right_outer)
{
struct d2d_cdt_edge_ref base_edge, tmp;
/* Create the base edge between both parts. */
for (;;)
{
if (d2d_cdt_leftof(cdt, d2d_cdt_edge_origin(cdt, right_inner), left_inner))
{
d2d_cdt_edge_next_left(cdt, left_inner, left_inner);
}
else if (d2d_cdt_rightof(cdt, d2d_cdt_edge_origin(cdt, left_inner), right_inner))
{
d2d_cdt_edge_sym(&tmp, right_inner);
d2d_cdt_edge_next_origin(cdt, right_inner, &tmp);
}
else
{
break;
}
}
d2d_cdt_edge_sym(&tmp, right_inner);
if (!d2d_cdt_connect(cdt, &base_edge, &tmp, left_inner))
return FALSE;
if (d2d_cdt_edge_origin(cdt, left_inner) == d2d_cdt_edge_origin(cdt, left_outer))
d2d_cdt_edge_sym(left_outer, &base_edge);
if (d2d_cdt_edge_origin(cdt, right_inner) == d2d_cdt_edge_origin(cdt, right_outer))
*right_outer = base_edge;
for (;;)
{
struct d2d_cdt_edge_ref left_candidate, right_candidate, sym_base_edge;
BOOL left_valid, right_valid;
/* Find the left candidate. */
d2d_cdt_edge_sym(&sym_base_edge, &base_edge);
d2d_cdt_edge_next_origin(cdt, &left_candidate, &sym_base_edge);
if ((left_valid = d2d_cdt_leftof(cdt, d2d_cdt_edge_destination(cdt, &left_candidate), &sym_base_edge)))
{
d2d_cdt_edge_next_origin(cdt, &tmp, &left_candidate);
while (d2d_cdt_edge_destination(cdt, &tmp) != d2d_cdt_edge_destination(cdt, &sym_base_edge)
&& d2d_cdt_incircle(cdt,
d2d_cdt_edge_origin(cdt, &sym_base_edge), d2d_cdt_edge_destination(cdt, &sym_base_edge),
d2d_cdt_edge_destination(cdt, &left_candidate), d2d_cdt_edge_destination(cdt, &tmp)))
{
d2d_cdt_destroy_edge(cdt, &left_candidate);
left_candidate = tmp;
d2d_cdt_edge_next_origin(cdt, &tmp, &left_candidate);
}
}
d2d_cdt_edge_sym(&left_candidate, &left_candidate);
/* Find the right candidate. */
d2d_cdt_edge_prev_origin(cdt, &right_candidate, &base_edge);
if ((right_valid = d2d_cdt_rightof(cdt, d2d_cdt_edge_destination(cdt, &right_candidate), &base_edge)))
{
d2d_cdt_edge_prev_origin(cdt, &tmp, &right_candidate);
while (d2d_cdt_edge_destination(cdt, &tmp) != d2d_cdt_edge_destination(cdt, &base_edge)
&& d2d_cdt_incircle(cdt,
d2d_cdt_edge_origin(cdt, &sym_base_edge), d2d_cdt_edge_destination(cdt, &sym_base_edge),
d2d_cdt_edge_destination(cdt, &right_candidate), d2d_cdt_edge_destination(cdt, &tmp)))
{
d2d_cdt_destroy_edge(cdt, &right_candidate);
right_candidate = tmp;
d2d_cdt_edge_prev_origin(cdt, &tmp, &right_candidate);
}
}
if (!left_valid && !right_valid)
break;
/* Connect the appropriate candidate with the base edge. */
if (!left_valid || (right_valid && d2d_cdt_incircle(cdt,
d2d_cdt_edge_origin(cdt, &left_candidate), d2d_cdt_edge_destination(cdt, &left_candidate),
d2d_cdt_edge_origin(cdt, &right_candidate), d2d_cdt_edge_destination(cdt, &right_candidate))))
{
if (!d2d_cdt_connect(cdt, &base_edge, &right_candidate, &sym_base_edge))
return FALSE;
}
else
{
if (!d2d_cdt_connect(cdt, &base_edge, &sym_base_edge, &left_candidate))
return FALSE;
}
}
return TRUE;
}
/* Create a Delaunay triangulation from a set of vertices. This is an
* implementation of the divide-and-conquer algorithm described by Guibas and
* Stolfi. Should be called with at least two vertices. */
static BOOL d2d_cdt_triangulate(struct d2d_cdt *cdt, size_t start_vertex, size_t vertex_count,
struct d2d_cdt_edge_ref *left_edge, struct d2d_cdt_edge_ref *right_edge)
{
struct d2d_cdt_edge_ref left_inner, left_outer, right_inner, right_outer, tmp;
size_t cut;
/* Only two vertices, create a single edge. */
if (vertex_count == 2)
{
struct d2d_cdt_edge_ref a;
if (!d2d_cdt_create_edge(cdt, &a))
return FALSE;
d2d_cdt_edge_set_origin(cdt, &a, start_vertex);
d2d_cdt_edge_set_destination(cdt, &a, start_vertex + 1);
*left_edge = a;
d2d_cdt_edge_sym(right_edge, &a);
return TRUE;
}
/* Three vertices, create a triangle. */
if (vertex_count == 3)
{
struct d2d_cdt_edge_ref a, b, c;
float det;
if (!d2d_cdt_create_edge(cdt, &a))
return FALSE;
if (!d2d_cdt_create_edge(cdt, &b))
return FALSE;
d2d_cdt_edge_sym(&tmp, &a);
d2d_cdt_splice(cdt, &tmp, &b);
d2d_cdt_edge_set_origin(cdt, &a, start_vertex);
d2d_cdt_edge_set_destination(cdt, &a, start_vertex + 1);
d2d_cdt_edge_set_origin(cdt, &b, start_vertex + 1);
d2d_cdt_edge_set_destination(cdt, &b, start_vertex + 2);
det = d2d_cdt_ccw(cdt, start_vertex, start_vertex + 1, start_vertex + 2);
if (det != 0.0f && !d2d_cdt_connect(cdt, &c, &b, &a))
return FALSE;
if (det < 0.0f)
{
d2d_cdt_edge_sym(left_edge, &c);
*right_edge = c;
}
else
{
*left_edge = a;
d2d_cdt_edge_sym(right_edge, &b);
}
return TRUE;
}
/* More than tree vertices, divide. */
cut = vertex_count / 2;
if (!d2d_cdt_triangulate(cdt, start_vertex, cut, &left_outer, &left_inner))
return FALSE;
if (!d2d_cdt_triangulate(cdt, start_vertex + cut, vertex_count - cut, &right_inner, &right_outer))
return FALSE;
/* Merge the left and right parts. */
if (!d2d_cdt_merge(cdt, &left_outer, &left_inner, &right_inner, &right_outer))
return FALSE;
*left_edge = left_outer;
*right_edge = right_outer;
return TRUE;
}
static int d2d_cdt_compare_vertices(const void *a, const void *b)
{
const D2D1_POINT_2F *p0 = a;
const D2D1_POINT_2F *p1 = b;
float diff = p0->x - p1->x;
if (diff == 0.0f)
diff = p0->y - p1->y;
return diff == 0.0f ? 0 : (diff > 0.0f ? 1 : -1);
}
/* Determine whether a given point is inside the geometry, using the current
* fill mode rule. */
static BOOL d2d_path_geometry_point_inside(const struct d2d_geometry *geometry, const D2D1_POINT_2F *probe)
{
const D2D1_POINT_2F *p0, *p1;
D2D1_POINT_2F v_p, v_probe;
unsigned int score;
size_t i, j;
for (i = 0, score = 0; i < geometry->u.path.figure_count; ++i)
{
const struct d2d_figure *figure = &geometry->u.path.figures[i];
p0 = &figure->vertices[figure->vertex_count - 1];
for (j = 0; j < figure->vertex_count; p0 = p1, ++j)
{
p1 = &figure->vertices[j];
d2d_point_subtract(&v_p, p1, p0);
d2d_point_subtract(&v_probe, probe, p0);
if ((probe->y < p0->y) != (probe->y < p1->y) && v_probe.x < v_p.x * (v_probe.y / v_p.y))
{
if (geometry->u.path.fill_mode == D2D1_FILL_MODE_ALTERNATE || (probe->y < p0->y))
++score;
else
--score;
}
}
}
return geometry->u.path.fill_mode == D2D1_FILL_MODE_ALTERNATE ? score & 1 : score;
}
static BOOL d2d_path_geometry_add_face(struct d2d_geometry *geometry, const struct d2d_cdt *cdt,
const struct d2d_cdt_edge_ref *base_edge)
{
struct d2d_cdt_edge_ref tmp;
struct d2d_face *face;
D2D1_POINT_2F probe;
if (cdt->edges[base_edge->idx].flags & D2D_CDT_EDGE_FLAG_VISITED(base_edge->r))
return TRUE;
if (!d2d_array_reserve((void **)&geometry->faces, &geometry->faces_size,
geometry->face_count + 1, sizeof(*geometry->faces)))
{
ERR("Failed to grow faces array.\n");
return FALSE;
}
face = &geometry->faces[geometry->face_count];
/* It may seem tempting to use the center of the face as probe origin, but
* multiplying by powers of two works much better for preserving accuracy. */
tmp = *base_edge;
cdt->edges[tmp.idx].flags |= D2D_CDT_EDGE_FLAG_VISITED(tmp.r);
face->v[0] = d2d_cdt_edge_origin(cdt, &tmp);
probe.x = cdt->vertices[d2d_cdt_edge_origin(cdt, &tmp)].x * 0.25f;
probe.y = cdt->vertices[d2d_cdt_edge_origin(cdt, &tmp)].y * 0.25f;
d2d_cdt_edge_next_left(cdt, &tmp, &tmp);
cdt->edges[tmp.idx].flags |= D2D_CDT_EDGE_FLAG_VISITED(tmp.r);
face->v[1] = d2d_cdt_edge_origin(cdt, &tmp);
probe.x += cdt->vertices[d2d_cdt_edge_origin(cdt, &tmp)].x * 0.25f;
probe.y += cdt->vertices[d2d_cdt_edge_origin(cdt, &tmp)].y * 0.25f;
d2d_cdt_edge_next_left(cdt, &tmp, &tmp);
cdt->edges[tmp.idx].flags |= D2D_CDT_EDGE_FLAG_VISITED(tmp.r);
face->v[2] = d2d_cdt_edge_origin(cdt, &tmp);
probe.x += cdt->vertices[d2d_cdt_edge_origin(cdt, &tmp)].x * 0.50f;
probe.y += cdt->vertices[d2d_cdt_edge_origin(cdt, &tmp)].y * 0.50f;
d2d_cdt_edge_next_left(cdt, &tmp, &tmp);
if (tmp.idx == base_edge->idx && d2d_path_geometry_point_inside(geometry, &probe))
++geometry->face_count;
return TRUE;
}
static BOOL d2d_cdt_generate_faces(const struct d2d_cdt *cdt, struct d2d_geometry *geometry)
{
struct d2d_cdt_edge_ref base_edge;
size_t i;
for (i = 0; i < cdt->edge_count; ++i)
{
if (cdt->edges[i].flags & D2D_CDT_EDGE_FLAG_FREED)
continue;
base_edge.idx = i;
base_edge.r = 0;
if (!d2d_path_geometry_add_face(geometry, cdt, &base_edge))
goto fail;
d2d_cdt_edge_sym(&base_edge, &base_edge);
if (!d2d_path_geometry_add_face(geometry, cdt, &base_edge))
goto fail;
}
return TRUE;
fail:
HeapFree(GetProcessHeap(), 0, geometry->faces);
geometry->faces = NULL;
geometry->faces_size = 0;
geometry->face_count = 0;
return FALSE;
}
static BOOL d2d_cdt_fixup(struct d2d_cdt *cdt, const struct d2d_cdt_edge_ref *base_edge)
{
struct d2d_cdt_edge_ref candidate, next, new_base;
unsigned int count = 0;
d2d_cdt_edge_next_left(cdt, &next, base_edge);
if (next.idx == base_edge->idx)
{
ERR("Degenerate face.\n");
return FALSE;
}
candidate = next;
while (d2d_cdt_edge_destination(cdt, &next) != d2d_cdt_edge_origin(cdt, base_edge))
{
if (d2d_cdt_incircle(cdt, d2d_cdt_edge_origin(cdt, base_edge), d2d_cdt_edge_destination(cdt, base_edge),
d2d_cdt_edge_destination(cdt, &candidate), d2d_cdt_edge_destination(cdt, &next)))
candidate = next;
d2d_cdt_edge_next_left(cdt, &next, &next);
++count;
}
if (count > 1)
{
if (!d2d_cdt_connect(cdt, &new_base, &candidate, base_edge))
return FALSE;
if (!d2d_cdt_fixup(cdt, &new_base))
return FALSE;
d2d_cdt_edge_sym(&new_base, &new_base);
if (!d2d_cdt_fixup(cdt, &new_base))
return FALSE;
}
return TRUE;
}
static void d2d_cdt_cut_edges(struct d2d_cdt *cdt, struct d2d_cdt_edge_ref *end_edge,
const struct d2d_cdt_edge_ref *base_edge, size_t start_vertex, size_t end_vertex)
{
struct d2d_cdt_edge_ref next;
d2d_cdt_edge_next_left(cdt, &next, base_edge);
if (d2d_cdt_edge_destination(cdt, &next) == end_vertex)
{
*end_edge = next;
return;
}
if (d2d_cdt_ccw(cdt, d2d_cdt_edge_destination(cdt, &next), end_vertex, start_vertex) > 0.0f)
d2d_cdt_edge_next_left(cdt, &next, &next);
d2d_cdt_edge_sym(&next, &next);
d2d_cdt_cut_edges(cdt, end_edge, &next, start_vertex, end_vertex);
d2d_cdt_destroy_edge(cdt, &next);
}
static BOOL d2d_cdt_insert_segment(struct d2d_cdt *cdt, struct d2d_geometry *geometry,
const struct d2d_cdt_edge_ref *origin, size_t end_vertex)
{
struct d2d_cdt_edge_ref base_edge, current, next, target;
for (current = *origin;; current = next)
{
d2d_cdt_edge_next_origin(cdt, &next, &current);
if (d2d_cdt_edge_destination(cdt, &current) == end_vertex)
return TRUE;
if (d2d_cdt_rightof(cdt, end_vertex, &next) && d2d_cdt_leftof(cdt, end_vertex, &current))
{
d2d_cdt_edge_next_left(cdt, &base_edge, &current);
d2d_cdt_edge_sym(&base_edge, &base_edge);
d2d_cdt_cut_edges(cdt, &target, &base_edge, d2d_cdt_edge_origin(cdt, origin), end_vertex);
d2d_cdt_destroy_edge(cdt, &base_edge);
if (!d2d_cdt_connect(cdt, &base_edge, &target, &current))
return FALSE;
if (!d2d_cdt_fixup(cdt, &base_edge))
return FALSE;
d2d_cdt_edge_sym(&base_edge, &base_edge);
if (!d2d_cdt_fixup(cdt, &base_edge))
return FALSE;
return TRUE;
}
if (next.idx == origin->idx)
{
ERR("Triangle not found.\n");
return FALSE;
}
}
}
static BOOL d2d_cdt_insert_segments(struct d2d_cdt *cdt, struct d2d_geometry *geometry)
{
size_t start_vertex, end_vertex, i, j, k;
const struct d2d_figure *figure;
struct d2d_cdt_edge_ref edge;
const D2D1_POINT_2F *p;
for (i = 0; i < geometry->u.path.figure_count; ++i)
{
figure = &geometry->u.path.figures[i];
p = bsearch(&figure->vertices[figure->vertex_count - 1], cdt->vertices,
geometry->vertex_count, sizeof(*p), d2d_cdt_compare_vertices);
start_vertex = p - cdt->vertices;
for (j = 0; j < figure->vertex_count; start_vertex = end_vertex, ++j)
{
p = bsearch(&figure->vertices[j], cdt->vertices,
geometry->vertex_count, sizeof(*p), d2d_cdt_compare_vertices);
end_vertex = p - cdt->vertices;
if (start_vertex == end_vertex)
continue;
for (k = 0; k < cdt->edge_count; ++k)
{
if (cdt->edges[k].flags & D2D_CDT_EDGE_FLAG_FREED)
continue;
edge.idx = k;
edge.r = 0;
if (d2d_cdt_edge_origin(cdt, &edge) == start_vertex)
{
if (!d2d_cdt_insert_segment(cdt, geometry, &edge, end_vertex))
return FALSE;
break;
}
d2d_cdt_edge_sym(&edge, &edge);
if (d2d_cdt_edge_origin(cdt, &edge) == start_vertex)
{
if (!d2d_cdt_insert_segment(cdt, geometry, &edge, end_vertex))
return FALSE;
break;
}
}
}
}
return TRUE;
}
/* Intersect the geometry's segments with themselves. This uses the
* straightforward approach of testing everything against everything, but
* there certainly exist more scalable algorithms for this. */
/* FIXME: Beziers can't currently self-intersect. */
static BOOL d2d_geometry_intersect_self(struct d2d_geometry *geometry)
{
D2D1_POINT_2F p0, p1, q0, q1, v_p, v_q, v_qp, intersection;
struct d2d_figure *figure_p, *figure_q;
size_t i, j, k, l, min_j, min_l, max_l;
float s, t, det;
for (i = 0; i < geometry->u.path.figure_count; ++i)
{
figure_p = &geometry->u.path.figures[i];
p0 = figure_p->vertices[figure_p->vertex_count - 1];
min_j = 0;
min_l = 0;
for (k = 0; k < figure_p->vertex_count; p0 = p1, ++k)
{
p1 = figure_p->vertices[k];
d2d_point_subtract(&v_p, &p1, &p0);
for (j = min_j, min_j = 0, l = min_l, min_l = 0; j < i || (j == i && k); ++j, l = 0)
{
figure_q = &geometry->u.path.figures[j];
max_l = j == i ? k - 1 : figure_q->vertex_count;
q0 = figure_q->vertices[l == 0 ? figure_q->vertex_count - 1 : l - 1];
for (; l < max_l; q0 = q1, ++l)
{
q1 = figure_q->vertices[l];
d2d_point_subtract(&v_q, &q1, &q0);
d2d_point_subtract(&v_qp, &p0, &q0);
det = v_p.x * v_q.y - v_p.y * v_q.x;
if (det == 0.0f)
continue;
s = (v_q.x * v_qp.y - v_q.y * v_qp.x) / det;
t = (v_p.x * v_qp.y - v_p.y * v_qp.x) / det;
if (s < 0.0f || s > 1.0f || t < 0.0f || t > 1.0f)
continue;
intersection.x = p0.x + v_p.x * s;
intersection.y = p0.y + v_p.y * s;
if (t > 0.0f && t < 1.0f)
{
if (!d2d_figure_insert_vertex(figure_q, l, intersection))
return FALSE;
if (j == i)
++k;
++max_l;
++l;
}
if (s > 0.0f && s < 1.0f)
{
if (!d2d_figure_insert_vertex(figure_p, k, intersection))
return FALSE;
min_j = j;
min_l = l+1;
p1 = intersection;
d2d_point_subtract(&v_p, &p1, &p0);
}
}
}
}
}
return TRUE;
}
static HRESULT d2d_path_geometry_triangulate(struct d2d_geometry *geometry)
{
struct d2d_cdt_edge_ref left_edge, right_edge;
size_t vertex_count, i, j;
struct d2d_cdt cdt = {0};
D2D1_POINT_2F *vertices;
for (i = 0, vertex_count = 0; i < geometry->u.path.figure_count; ++i)
{
vertex_count += geometry->u.path.figures[i].vertex_count;
}
if (vertex_count < 3)
{
WARN("Geometry has %lu vertices.\n", (long)vertex_count);
return S_OK;
}
if (!(vertices = HeapAlloc(GetProcessHeap(), 0, vertex_count * sizeof(*vertices))))
return E_OUTOFMEMORY;
for (i = 0, j = 0; i < geometry->u.path.figure_count; ++i)
{
memcpy(&vertices[j], geometry->u.path.figures[i].vertices,
geometry->u.path.figures[i].vertex_count * sizeof(*vertices));
j += geometry->u.path.figures[i].vertex_count;
}
/* Sort vertices, eliminate duplicates. */
qsort(vertices, vertex_count, sizeof(*vertices), d2d_cdt_compare_vertices);
for (i = 1; i < vertex_count; ++i)
{
if (!memcmp(&vertices[i - 1], &vertices[i], sizeof(*vertices)))
{
--vertex_count;
memmove(&vertices[i], &vertices[i + 1], (vertex_count - i) * sizeof(*vertices));
--i;
}
}
geometry->vertices = vertices;
geometry->vertex_count = vertex_count;
cdt.free_edge = ~0u;
cdt.vertices = vertices;
if (!d2d_cdt_triangulate(&cdt, 0, vertex_count, &left_edge, &right_edge))
goto fail;
if (!d2d_cdt_insert_segments(&cdt, geometry))
goto fail;
if (!d2d_cdt_generate_faces(&cdt, geometry))
goto fail;
HeapFree(GetProcessHeap(), 0, cdt.edges);
return S_OK;
fail:
geometry->vertices = NULL;
geometry->vertex_count = 0;
HeapFree(GetProcessHeap(), 0, vertices);
HeapFree(GetProcessHeap(), 0, cdt.edges);
return E_FAIL;
}
static BOOL d2d_path_geometry_add_figure(struct d2d_geometry *geometry)
{
struct d2d_figure *figure;
if (!d2d_array_reserve((void **)&geometry->u.path.figures, &geometry->u.path.figures_size,
geometry->u.path.figure_count + 1, sizeof(*geometry->u.path.figures)))
{
ERR("Failed to grow figures array.\n");
return FALSE;
}
figure = &geometry->u.path.figures[geometry->u.path.figure_count];
memset(figure, 0, sizeof(*figure));
++geometry->u.path.figure_count;
return TRUE;
}
static void d2d_geometry_cleanup(struct d2d_geometry *geometry)
{
HeapFree(GetProcessHeap(), 0, geometry->beziers);
HeapFree(GetProcessHeap(), 0, geometry->faces);
HeapFree(GetProcessHeap(), 0, geometry->vertices);
ID2D1Factory_Release(geometry->factory);
}
static void d2d_geometry_init(struct d2d_geometry *geometry, ID2D1Factory *factory,
const D2D1_MATRIX_3X2_F *transform, const struct ID2D1GeometryVtbl *vtbl)
{
geometry->ID2D1Geometry_iface.lpVtbl = vtbl;
geometry->refcount = 1;
ID2D1Factory_AddRef(geometry->factory = factory);
geometry->transform = *transform;
}
static inline struct d2d_geometry *impl_from_ID2D1GeometrySink(ID2D1GeometrySink *iface)
{
return CONTAINING_RECORD(iface, struct d2d_geometry, u.path.ID2D1GeometrySink_iface);
}
static HRESULT STDMETHODCALLTYPE d2d_geometry_sink_QueryInterface(ID2D1GeometrySink *iface, REFIID iid, void **out)
{
TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
if (IsEqualGUID(iid, &IID_ID2D1GeometrySink)
|| IsEqualGUID(iid, &IID_ID2D1SimplifiedGeometrySink)
|| IsEqualGUID(iid, &IID_IUnknown))
{
ID2D1GeometrySink_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_geometry_sink_AddRef(ID2D1GeometrySink *iface)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
TRACE("iface %p.\n", iface);
return ID2D1Geometry_AddRef(&geometry->ID2D1Geometry_iface);
}
static ULONG STDMETHODCALLTYPE d2d_geometry_sink_Release(ID2D1GeometrySink *iface)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
TRACE("iface %p.\n", iface);
return ID2D1Geometry_Release(&geometry->ID2D1Geometry_iface);
}
static void STDMETHODCALLTYPE d2d_geometry_sink_SetFillMode(ID2D1GeometrySink *iface, D2D1_FILL_MODE mode)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
TRACE("iface %p, mode %#x.\n", iface, mode);
geometry->u.path.fill_mode = mode;
}
static void STDMETHODCALLTYPE d2d_geometry_sink_SetSegmentFlags(ID2D1GeometrySink *iface, D2D1_PATH_SEGMENT flags)
{
FIXME("iface %p, flags %#x stub!\n", iface, flags);
}
static void STDMETHODCALLTYPE d2d_geometry_sink_BeginFigure(ID2D1GeometrySink *iface,
D2D1_POINT_2F start_point, D2D1_FIGURE_BEGIN figure_begin)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
TRACE("iface %p, start_point {%.8e, %.8e}, figure_begin %#x.\n",
iface, start_point.x, start_point.y, figure_begin);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_OPEN)
{
geometry->u.path.state = D2D_GEOMETRY_STATE_ERROR;
return;
}
if (figure_begin != D2D1_FIGURE_BEGIN_FILLED)
FIXME("Ignoring figure_begin %#x.\n", figure_begin);
if (!d2d_path_geometry_add_figure(geometry))
{
ERR("Failed to add figure.\n");
geometry->u.path.state = D2D_GEOMETRY_STATE_ERROR;
return;
}
if (!d2d_figure_add_vertex(&geometry->u.path.figures[geometry->u.path.figure_count - 1], start_point))
ERR("Failed to add vertex.\n");
geometry->u.path.state = D2D_GEOMETRY_STATE_FIGURE;
++geometry->u.path.segment_count;
}
static void STDMETHODCALLTYPE d2d_geometry_sink_AddLines(ID2D1GeometrySink *iface,
const D2D1_POINT_2F *points, UINT32 count)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
unsigned int i;
TRACE("iface %p, points %p, count %u.\n", iface, points, count);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_FIGURE)
{
geometry->u.path.state = D2D_GEOMETRY_STATE_ERROR;
return;
}
for (i = 0; i < count; ++i)
{
if (!d2d_figure_add_vertex(&geometry->u.path.figures[geometry->u.path.figure_count - 1], points[i]))
{
ERR("Failed to add vertex.\n");
return;
}
}
geometry->u.path.segment_count += count;
}
static void STDMETHODCALLTYPE d2d_geometry_sink_AddBeziers(ID2D1GeometrySink *iface,
const D2D1_BEZIER_SEGMENT *beziers, UINT32 count)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
struct d2d_figure *figure = &geometry->u.path.figures[geometry->u.path.figure_count - 1];
D2D1_POINT_2F p;
unsigned int i;
TRACE("iface %p, beziers %p, count %u.\n", iface, beziers, count);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_FIGURE)
{
geometry->u.path.state = D2D_GEOMETRY_STATE_ERROR;
return;
}
for (i = 0; i < count; ++i)
{
/* FIXME: This tries to approximate a cubic bezier with a quadratic one. */
p.x = (beziers[i].point1.x + beziers[i].point2.x) * 0.75f;
p.y = (beziers[i].point1.y + beziers[i].point2.y) * 0.75f;
p.x -= (figure->vertices[figure->vertex_count - 1].x + beziers[i].point3.x) * 0.25f;
p.y -= (figure->vertices[figure->vertex_count - 1].y + beziers[i].point3.y) * 0.25f;
if (!d2d_figure_add_bezier(figure, figure->vertices[figure->vertex_count - 1], p, beziers[i].point3))
{
ERR("Failed to add bezier.\n");
return;
}
}
geometry->u.path.segment_count += count;
}
static void STDMETHODCALLTYPE d2d_geometry_sink_EndFigure(ID2D1GeometrySink *iface, D2D1_FIGURE_END figure_end)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
TRACE("iface %p, figure_end %#x.\n", iface, figure_end);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_FIGURE)
{
geometry->u.path.state = D2D_GEOMETRY_STATE_ERROR;
return;
}
if (figure_end != D2D1_FIGURE_END_CLOSED)
FIXME("Ignoring figure_end %#x.\n", figure_end);
geometry->u.path.state = D2D_GEOMETRY_STATE_OPEN;
}
static void d2d_path_geometry_free_figures(struct d2d_geometry *geometry)
{
size_t i;
if (!geometry->u.path.figures)
return;
for (i = 0; i < geometry->u.path.figure_count; ++i)
{
HeapFree(GetProcessHeap(), 0, geometry->u.path.figures[i].beziers);
HeapFree(GetProcessHeap(), 0, geometry->u.path.figures[i].vertices);
}
HeapFree(GetProcessHeap(), 0, geometry->u.path.figures);
geometry->u.path.figures = NULL;
geometry->u.path.figures_size = 0;
}
static HRESULT STDMETHODCALLTYPE d2d_geometry_sink_Close(ID2D1GeometrySink *iface)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
HRESULT hr = E_FAIL;
size_t i, start;
TRACE("iface %p.\n", iface);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_OPEN)
{
if (geometry->u.path.state != D2D_GEOMETRY_STATE_CLOSED)
geometry->u.path.state = D2D_GEOMETRY_STATE_ERROR;
return D2DERR_WRONG_STATE;
}
geometry->u.path.state = D2D_GEOMETRY_STATE_CLOSED;
if (!d2d_geometry_intersect_self(geometry))
goto done;
if (FAILED(hr = d2d_path_geometry_triangulate(geometry)))
goto done;
for (i = 0; i < geometry->u.path.figure_count; ++i)
{
geometry->bezier_count += geometry->u.path.figures[i].bezier_count;
}
if (!(geometry->beziers = HeapAlloc(GetProcessHeap(), 0,
geometry->bezier_count * sizeof(*geometry->beziers))))
{
ERR("Failed to allocate beziers array.\n");
geometry->bezier_count = 0;
hr = E_OUTOFMEMORY;
goto done;
}
for (i = 0, start = 0; i < geometry->u.path.figure_count; ++i)
{
struct d2d_figure *figure = &geometry->u.path.figures[i];
if (figure->bezier_count)
{
memcpy(&geometry->beziers[start], figure->beziers,
figure->bezier_count * sizeof(*figure->beziers));
start += figure->bezier_count;
}
}
done:
d2d_path_geometry_free_figures(geometry);
if (FAILED(hr))
geometry->u.path.state = D2D_GEOMETRY_STATE_ERROR;
return hr;
}
static void STDMETHODCALLTYPE d2d_geometry_sink_AddLine(ID2D1GeometrySink *iface, D2D1_POINT_2F point)
{
TRACE("iface %p, point {%.8e, %.8e}.\n", iface, point.x, point.y);
d2d_geometry_sink_AddLines(iface, &point, 1);
}
static void STDMETHODCALLTYPE d2d_geometry_sink_AddBezier(ID2D1GeometrySink *iface, const D2D1_BEZIER_SEGMENT *bezier)
{
TRACE("iface %p, bezier %p.\n", iface, bezier);
d2d_geometry_sink_AddBeziers(iface, bezier, 1);
}
static void STDMETHODCALLTYPE d2d_geometry_sink_AddQuadraticBezier(ID2D1GeometrySink *iface,
const D2D1_QUADRATIC_BEZIER_SEGMENT *bezier)
{
TRACE("iface %p, bezier %p.\n", iface, bezier);
ID2D1GeometrySink_AddQuadraticBeziers(iface, bezier, 1);
}
static void STDMETHODCALLTYPE d2d_geometry_sink_AddQuadraticBeziers(ID2D1GeometrySink *iface,
const D2D1_QUADRATIC_BEZIER_SEGMENT *beziers, UINT32 bezier_count)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
struct d2d_figure *figure = &geometry->u.path.figures[geometry->u.path.figure_count - 1];
unsigned int i;
TRACE("iface %p, beziers %p, bezier_count %u.\n", iface, beziers, bezier_count);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_FIGURE)
{
geometry->u.path.state = D2D_GEOMETRY_STATE_ERROR;
return;
}
for (i = 0; i < bezier_count; ++i)
{
if (!d2d_figure_add_bezier(figure, figure->vertices[figure->vertex_count - 1],
beziers[i].point1, beziers[i].point2))
{
ERR("Failed to add bezier.\n");
return;
}
}
geometry->u.path.segment_count += bezier_count;
}
static void STDMETHODCALLTYPE d2d_geometry_sink_AddArc(ID2D1GeometrySink *iface, const D2D1_ARC_SEGMENT *arc)
{
struct d2d_geometry *geometry = impl_from_ID2D1GeometrySink(iface);
FIXME("iface %p, arc %p stub!\n", iface, arc);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_FIGURE)
{
geometry->u.path.state = D2D_GEOMETRY_STATE_ERROR;
return;
}
if (!d2d_figure_add_vertex(&geometry->u.path.figures[geometry->u.path.figure_count - 1], arc->point))
{
ERR("Failed to add vertex.\n");
return;
}
++geometry->u.path.segment_count;
}
static const struct ID2D1GeometrySinkVtbl d2d_geometry_sink_vtbl =
{
d2d_geometry_sink_QueryInterface,
d2d_geometry_sink_AddRef,
d2d_geometry_sink_Release,
d2d_geometry_sink_SetFillMode,
d2d_geometry_sink_SetSegmentFlags,
d2d_geometry_sink_BeginFigure,
d2d_geometry_sink_AddLines,
d2d_geometry_sink_AddBeziers,
d2d_geometry_sink_EndFigure,
d2d_geometry_sink_Close,
d2d_geometry_sink_AddLine,
d2d_geometry_sink_AddBezier,
d2d_geometry_sink_AddQuadraticBezier,
d2d_geometry_sink_AddQuadraticBeziers,
d2d_geometry_sink_AddArc,
};
static inline struct d2d_geometry *impl_from_ID2D1PathGeometry(ID2D1PathGeometry *iface)
{
return CONTAINING_RECORD(iface, struct d2d_geometry, ID2D1Geometry_iface);
}
static HRESULT STDMETHODCALLTYPE d2d_path_geometry_QueryInterface(ID2D1PathGeometry *iface, REFIID iid, void **out)
{
TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
if (IsEqualGUID(iid, &IID_ID2D1PathGeometry)
|| IsEqualGUID(iid, &IID_ID2D1Geometry)
|| IsEqualGUID(iid, &IID_ID2D1Resource)
|| IsEqualGUID(iid, &IID_IUnknown))
{
ID2D1PathGeometry_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_path_geometry_AddRef(ID2D1PathGeometry *iface)
{
struct d2d_geometry *geometry = impl_from_ID2D1PathGeometry(iface);
ULONG refcount = InterlockedIncrement(&geometry->refcount);
TRACE("%p increasing refcount to %u.\n", iface, refcount);
return refcount;
}
static ULONG STDMETHODCALLTYPE d2d_path_geometry_Release(ID2D1PathGeometry *iface)
{
struct d2d_geometry *geometry = impl_from_ID2D1PathGeometry(iface);
ULONG refcount = InterlockedDecrement(&geometry->refcount);
TRACE("%p decreasing refcount to %u.\n", iface, refcount);
if (!refcount)
{
d2d_path_geometry_free_figures(geometry);
d2d_geometry_cleanup(geometry);
HeapFree(GetProcessHeap(), 0, geometry);
}
return refcount;
}
static void STDMETHODCALLTYPE d2d_path_geometry_GetFactory(ID2D1PathGeometry *iface, ID2D1Factory **factory)
{
struct d2d_geometry *geometry = impl_from_ID2D1PathGeometry(iface);
TRACE("iface %p, factory %p.\n", iface, factory);
ID2D1Factory_AddRef(*factory = geometry->factory);
}
static HRESULT STDMETHODCALLTYPE d2d_path_geometry_GetBounds(ID2D1PathGeometry *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_path_geometry_GetWidenedBounds(ID2D1PathGeometry *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_path_geometry_StrokeContainsPoint(ID2D1PathGeometry *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 {%.8e, %.8e}, stroke_width %.8e, stroke_style %p, "
"transform %p, tolerance %.8e, contains %p stub!\n",
iface, point.x, point.y, stroke_width, stroke_style, transform, tolerance, contains);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_path_geometry_FillContainsPoint(ID2D1PathGeometry *iface,
D2D1_POINT_2F point, const D2D1_MATRIX_3X2_F *transform, float tolerance, BOOL *contains)
{
FIXME("iface %p, point {%.8e, %.8e}, transform %p, tolerance %.8e, contains %p stub!\n",
iface, point.x, point.y, transform, tolerance, contains);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_path_geometry_CompareWithGeometry(ID2D1PathGeometry *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_path_geometry_Simplify(ID2D1PathGeometry *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_path_geometry_Tessellate(ID2D1PathGeometry *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_path_geometry_CombineWithGeometry(ID2D1PathGeometry *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_path_geometry_Outline(ID2D1PathGeometry *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_path_geometry_ComputeArea(ID2D1PathGeometry *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_path_geometry_ComputeLength(ID2D1PathGeometry *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_path_geometry_ComputePointAtLength(ID2D1PathGeometry *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_path_geometry_Widen(ID2D1PathGeometry *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 HRESULT STDMETHODCALLTYPE d2d_path_geometry_Open(ID2D1PathGeometry *iface, ID2D1GeometrySink **sink)
{
struct d2d_geometry *geometry = impl_from_ID2D1PathGeometry(iface);
TRACE("iface %p, sink %p.\n", iface, sink);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_INITIAL)
return D2DERR_WRONG_STATE;
*sink = &geometry->u.path.ID2D1GeometrySink_iface;
ID2D1GeometrySink_AddRef(*sink);
geometry->u.path.state = D2D_GEOMETRY_STATE_OPEN;
return S_OK;
}
static HRESULT STDMETHODCALLTYPE d2d_path_geometry_Stream(ID2D1PathGeometry *iface, ID2D1GeometrySink *sink)
{
FIXME("iface %p, sink %p stub!\n", iface, sink);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_path_geometry_GetSegmentCount(ID2D1PathGeometry *iface, UINT32 *count)
{
struct d2d_geometry *geometry = impl_from_ID2D1PathGeometry(iface);
TRACE("iface %p, count %p.\n", iface, count);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_CLOSED)
return D2DERR_WRONG_STATE;
*count = geometry->u.path.segment_count;
return S_OK;
}
static HRESULT STDMETHODCALLTYPE d2d_path_geometry_GetFigureCount(ID2D1PathGeometry *iface, UINT32 *count)
{
struct d2d_geometry *geometry = impl_from_ID2D1PathGeometry(iface);
TRACE("iface %p, count %p.\n", iface, count);
if (geometry->u.path.state != D2D_GEOMETRY_STATE_CLOSED)
return D2DERR_WRONG_STATE;
*count = geometry->u.path.figure_count;
return S_OK;
}
static const struct ID2D1PathGeometryVtbl d2d_path_geometry_vtbl =
{
d2d_path_geometry_QueryInterface,
d2d_path_geometry_AddRef,
d2d_path_geometry_Release,
d2d_path_geometry_GetFactory,
d2d_path_geometry_GetBounds,
d2d_path_geometry_GetWidenedBounds,
d2d_path_geometry_StrokeContainsPoint,
d2d_path_geometry_FillContainsPoint,
d2d_path_geometry_CompareWithGeometry,
d2d_path_geometry_Simplify,
d2d_path_geometry_Tessellate,
d2d_path_geometry_CombineWithGeometry,
d2d_path_geometry_Outline,
d2d_path_geometry_ComputeArea,
d2d_path_geometry_ComputeLength,
d2d_path_geometry_ComputePointAtLength,
d2d_path_geometry_Widen,
d2d_path_geometry_Open,
d2d_path_geometry_Stream,
d2d_path_geometry_GetSegmentCount,
d2d_path_geometry_GetFigureCount,
};
void d2d_path_geometry_init(struct d2d_geometry *geometry, ID2D1Factory *factory)
{
d2d_geometry_init(geometry, factory, &identity, (ID2D1GeometryVtbl *)&d2d_path_geometry_vtbl);
geometry->u.path.ID2D1GeometrySink_iface.lpVtbl = &d2d_geometry_sink_vtbl;
}
static inline struct d2d_geometry *impl_from_ID2D1RectangleGeometry(ID2D1RectangleGeometry *iface)
{
return CONTAINING_RECORD(iface, struct d2d_geometry, ID2D1Geometry_iface);
}
static HRESULT STDMETHODCALLTYPE d2d_rectangle_geometry_QueryInterface(ID2D1RectangleGeometry *iface,
REFIID iid, void **out)
{
TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
if (IsEqualGUID(iid, &IID_ID2D1RectangleGeometry)
|| IsEqualGUID(iid, &IID_ID2D1Geometry)
|| IsEqualGUID(iid, &IID_ID2D1Resource)
|| IsEqualGUID(iid, &IID_IUnknown))
{
ID2D1RectangleGeometry_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_rectangle_geometry_AddRef(ID2D1RectangleGeometry *iface)
{
struct d2d_geometry *geometry = impl_from_ID2D1RectangleGeometry(iface);
ULONG refcount = InterlockedIncrement(&geometry->refcount);
TRACE("%p increasing refcount to %u.\n", iface, refcount);
return refcount;
}
static ULONG STDMETHODCALLTYPE d2d_rectangle_geometry_Release(ID2D1RectangleGeometry *iface)
{
struct d2d_geometry *geometry = impl_from_ID2D1RectangleGeometry(iface);
ULONG refcount = InterlockedDecrement(&geometry->refcount);
TRACE("%p decreasing refcount to %u.\n", iface, refcount);
if (!refcount)
{
d2d_geometry_cleanup(geometry);
HeapFree(GetProcessHeap(), 0, geometry);
}
return refcount;
}
static void STDMETHODCALLTYPE d2d_rectangle_geometry_GetFactory(ID2D1RectangleGeometry *iface, ID2D1Factory **factory)
{
struct d2d_geometry *geometry = impl_from_ID2D1RectangleGeometry(iface);
TRACE("iface %p, factory %p.\n", iface, factory);
ID2D1Factory_AddRef(*factory = geometry->factory);
}
static HRESULT STDMETHODCALLTYPE d2d_rectangle_geometry_GetBounds(ID2D1RectangleGeometry *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_rectangle_geometry_GetWidenedBounds(ID2D1RectangleGeometry *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_rectangle_geometry_StrokeContainsPoint(ID2D1RectangleGeometry *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 {%.8e, %.8e}, stroke_width %.8e, stroke_style %p, "
"transform %p, tolerance %.8e, contains %p stub!\n",
iface, point.x, point.y, stroke_width, stroke_style, transform, tolerance, contains);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_rectangle_geometry_FillContainsPoint(ID2D1RectangleGeometry *iface,
D2D1_POINT_2F point, const D2D1_MATRIX_3X2_F *transform, float tolerance, BOOL *contains)
{
FIXME("iface %p, point {%.8e, %.8e}, transform %p, tolerance %.8e, contains %p stub!\n",
iface, point.x, point.y, transform, tolerance, contains);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_rectangle_geometry_CompareWithGeometry(ID2D1RectangleGeometry *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_rectangle_geometry_Simplify(ID2D1RectangleGeometry *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_rectangle_geometry_Tessellate(ID2D1RectangleGeometry *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_rectangle_geometry_CombineWithGeometry(ID2D1RectangleGeometry *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_rectangle_geometry_Outline(ID2D1RectangleGeometry *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_rectangle_geometry_ComputeArea(ID2D1RectangleGeometry *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_rectangle_geometry_ComputeLength(ID2D1RectangleGeometry *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_rectangle_geometry_ComputePointAtLength(ID2D1RectangleGeometry *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_rectangle_geometry_Widen(ID2D1RectangleGeometry *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_rectangle_geometry_GetRect(ID2D1RectangleGeometry *iface, D2D1_RECT_F *rect)
{
struct d2d_geometry *geometry = impl_from_ID2D1RectangleGeometry(iface);
TRACE("iface %p, rect %p.\n", iface, rect);
*rect = geometry->u.rectangle.rect;
}
static const struct ID2D1RectangleGeometryVtbl d2d_rectangle_geometry_vtbl =
{
d2d_rectangle_geometry_QueryInterface,
d2d_rectangle_geometry_AddRef,
d2d_rectangle_geometry_Release,
d2d_rectangle_geometry_GetFactory,
d2d_rectangle_geometry_GetBounds,
d2d_rectangle_geometry_GetWidenedBounds,
d2d_rectangle_geometry_StrokeContainsPoint,
d2d_rectangle_geometry_FillContainsPoint,
d2d_rectangle_geometry_CompareWithGeometry,
d2d_rectangle_geometry_Simplify,
d2d_rectangle_geometry_Tessellate,
d2d_rectangle_geometry_CombineWithGeometry,
d2d_rectangle_geometry_Outline,
d2d_rectangle_geometry_ComputeArea,
d2d_rectangle_geometry_ComputeLength,
d2d_rectangle_geometry_ComputePointAtLength,
d2d_rectangle_geometry_Widen,
d2d_rectangle_geometry_GetRect,
};
HRESULT d2d_rectangle_geometry_init(struct d2d_geometry *geometry, ID2D1Factory *factory, const D2D1_RECT_F *rect)
{
d2d_geometry_init(geometry, factory, &identity, (ID2D1GeometryVtbl *)&d2d_rectangle_geometry_vtbl);
geometry->u.rectangle.rect = *rect;
if (!(geometry->vertices = HeapAlloc(GetProcessHeap(), 0, 4 * sizeof(*geometry->vertices))))
{
d2d_geometry_cleanup(geometry);
return E_OUTOFMEMORY;
}
geometry->vertex_count = 4;
if (!d2d_array_reserve((void **)&geometry->faces, &geometry->faces_size, 2, sizeof(*geometry->faces)))
{
d2d_geometry_cleanup(geometry);
return E_OUTOFMEMORY;
}
geometry->face_count = 2;
geometry->vertices[0].x = min(rect->left, rect->right);
geometry->vertices[0].y = min(rect->top, rect->bottom);
geometry->vertices[1].x = min(rect->left, rect->right);
geometry->vertices[1].y = max(rect->top, rect->bottom);
geometry->vertices[2].x = max(rect->left, rect->right);
geometry->vertices[2].y = min(rect->top, rect->bottom);
geometry->vertices[3].x = max(rect->left, rect->right);
geometry->vertices[3].y = max(rect->top, rect->bottom);
geometry->faces[0].v[0] = 0;
geometry->faces[0].v[1] = 2;
geometry->faces[0].v[2] = 1;
geometry->faces[1].v[0] = 1;
geometry->faces[1].v[1] = 2;
geometry->faces[1].v[2] = 3;
return S_OK;
}
static inline struct d2d_geometry *impl_from_ID2D1TransformedGeometry(ID2D1TransformedGeometry *iface)
{
return CONTAINING_RECORD(iface, struct d2d_geometry, ID2D1Geometry_iface);
}
static HRESULT STDMETHODCALLTYPE d2d_transformed_geometry_QueryInterface(ID2D1TransformedGeometry *iface,
REFIID iid, void **out)
{
TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
if (IsEqualGUID(iid, &IID_ID2D1TransformedGeometry)
|| IsEqualGUID(iid, &IID_ID2D1Geometry)
|| IsEqualGUID(iid, &IID_ID2D1Resource)
|| IsEqualGUID(iid, &IID_IUnknown))
{
ID2D1TransformedGeometry_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_transformed_geometry_AddRef(ID2D1TransformedGeometry *iface)
{
struct d2d_geometry *geometry = impl_from_ID2D1TransformedGeometry(iface);
ULONG refcount = InterlockedIncrement(&geometry->refcount);
TRACE("%p increasing refcount to %u.\n", iface, refcount);
return refcount;
}
static ULONG STDMETHODCALLTYPE d2d_transformed_geometry_Release(ID2D1TransformedGeometry *iface)
{
struct d2d_geometry *geometry = impl_from_ID2D1TransformedGeometry(iface);
ULONG refcount = InterlockedDecrement(&geometry->refcount);
TRACE("%p decreasing refcount to %u.\n", iface, refcount);
if (!refcount)
{
geometry->beziers = NULL;
geometry->faces = NULL;
geometry->vertices = NULL;
ID2D1Geometry_Release(geometry->u.transformed.src_geometry);
d2d_geometry_cleanup(geometry);
HeapFree(GetProcessHeap(), 0, geometry);
}
return refcount;
}
static void STDMETHODCALLTYPE d2d_transformed_geometry_GetFactory(ID2D1TransformedGeometry *iface,
ID2D1Factory **factory)
{
struct d2d_geometry *geometry = impl_from_ID2D1TransformedGeometry(iface);
TRACE("iface %p, factory %p.\n", iface, factory);
ID2D1Factory_AddRef(*factory = geometry->factory);
}
static HRESULT STDMETHODCALLTYPE d2d_transformed_geometry_GetBounds(ID2D1TransformedGeometry *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_transformed_geometry_GetWidenedBounds(ID2D1TransformedGeometry *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_transformed_geometry_StrokeContainsPoint(ID2D1TransformedGeometry *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 {%.8e, %.8e}, stroke_width %.8e, stroke_style %p, "
"transform %p, tolerance %.8e, contains %p stub!\n",
iface, point.x, point.y, stroke_width, stroke_style, transform, tolerance, contains);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_transformed_geometry_FillContainsPoint(ID2D1TransformedGeometry *iface,
D2D1_POINT_2F point, const D2D1_MATRIX_3X2_F *transform, float tolerance, BOOL *contains)
{
FIXME("iface %p, point {%.8e, %.8e}, transform %p, tolerance %.8e, contains %p stub!\n",
iface, point.x, point.y, transform, tolerance, contains);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE d2d_transformed_geometry_CompareWithGeometry(ID2D1TransformedGeometry *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_transformed_geometry_Simplify(ID2D1TransformedGeometry *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_transformed_geometry_Tessellate(ID2D1TransformedGeometry *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_transformed_geometry_CombineWithGeometry(ID2D1TransformedGeometry *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_transformed_geometry_Outline(ID2D1TransformedGeometry *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_transformed_geometry_ComputeArea(ID2D1TransformedGeometry *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_transformed_geometry_ComputeLength(ID2D1TransformedGeometry *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_transformed_geometry_ComputePointAtLength(ID2D1TransformedGeometry *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_transformed_geometry_Widen(ID2D1TransformedGeometry *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_transformed_geometry_GetSourceGeometry(ID2D1TransformedGeometry *iface,
ID2D1Geometry **src_geometry)
{
struct d2d_geometry *geometry = impl_from_ID2D1TransformedGeometry(iface);
TRACE("iface %p, src_geometry %p.\n", iface, src_geometry);
ID2D1Geometry_AddRef(*src_geometry = geometry->u.transformed.src_geometry);
}
static void STDMETHODCALLTYPE d2d_transformed_geometry_GetTransform(ID2D1TransformedGeometry *iface,
D2D1_MATRIX_3X2_F *transform)
{
struct d2d_geometry *geometry = impl_from_ID2D1TransformedGeometry(iface);
TRACE("iface %p, transform %p.\n", iface, transform);
*transform = geometry->transform;
}
static const struct ID2D1TransformedGeometryVtbl d2d_transformed_geometry_vtbl =
{
d2d_transformed_geometry_QueryInterface,
d2d_transformed_geometry_AddRef,
d2d_transformed_geometry_Release,
d2d_transformed_geometry_GetFactory,
d2d_transformed_geometry_GetBounds,
d2d_transformed_geometry_GetWidenedBounds,
d2d_transformed_geometry_StrokeContainsPoint,
d2d_transformed_geometry_FillContainsPoint,
d2d_transformed_geometry_CompareWithGeometry,
d2d_transformed_geometry_Simplify,
d2d_transformed_geometry_Tessellate,
d2d_transformed_geometry_CombineWithGeometry,
d2d_transformed_geometry_Outline,
d2d_transformed_geometry_ComputeArea,
d2d_transformed_geometry_ComputeLength,
d2d_transformed_geometry_ComputePointAtLength,
d2d_transformed_geometry_Widen,
d2d_transformed_geometry_GetSourceGeometry,
d2d_transformed_geometry_GetTransform,
};
void d2d_transformed_geometry_init(struct d2d_geometry *geometry, ID2D1Factory *factory,
ID2D1Geometry *src_geometry, const D2D_MATRIX_3X2_F *transform)
{
struct d2d_geometry *src_impl;
d2d_geometry_init(geometry, factory, transform, (ID2D1GeometryVtbl *)&d2d_transformed_geometry_vtbl);
ID2D1Geometry_AddRef(geometry->u.transformed.src_geometry = src_geometry);
src_impl = unsafe_impl_from_ID2D1Geometry(src_geometry);
geometry->vertices = src_impl->vertices;
geometry->vertex_count = src_impl->vertex_count;
geometry->faces = src_impl->faces;
geometry->face_count = src_impl->face_count;
geometry->beziers = src_impl->beziers;
geometry->bezier_count = src_impl->bezier_count;
}
struct d2d_geometry *unsafe_impl_from_ID2D1Geometry(ID2D1Geometry *iface)
{
if (!iface)
return NULL;
assert(iface->lpVtbl == (const ID2D1GeometryVtbl *)&d2d_path_geometry_vtbl
|| iface->lpVtbl == (const ID2D1GeometryVtbl *)&d2d_rectangle_geometry_vtbl
|| iface->lpVtbl == (const ID2D1GeometryVtbl *)&d2d_transformed_geometry_vtbl);
return CONTAINING_RECORD(iface, struct d2d_geometry, ID2D1Geometry_iface);
}