fdo-mirrors/cairo
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/cairo/cairo.git synced 2026-05-09 04:58:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

script: Emit sequences of boxes to as 'rectangle' for clarity

Browse source 
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-08-13 17:39:25 +01:00
parent 6b7539d96b
commit 0f4cc1f118
1 changed files with 72 additions and 21 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

93
src/cairo-script-surface.c
View file

@ -1713,13 +1713,62 @@ _path_close (void *closure)
return CAIRO_STATUS_SUCCESS;
}
static cairo_status_t
_emit_path_boxes (cairo_script_surface_t *surface,
const cairo_path_fixed_t *path)
{
cairo_script_context_t *ctx = to_context (surface);
cairo_path_fixed_iter_t iter;
cairo_status_t status;
struct _cairo_boxes_chunk *chunk;
cairo_boxes_t boxes;
cairo_box_t box;
int i;
_cairo_boxes_init (&boxes);
_cairo_path_fixed_iter_init (&iter, path);
while (_cairo_path_fixed_iter_is_fill_box (&iter, &box)) {
if (box.p1.y == box.p2.y || box.p1.x == box.p2.x)
continue;
status = _cairo_boxes_add (&boxes, CAIRO_ANTIALIAS_DEFAULT, &box);
if (unlikely (status)) {
_cairo_boxes_fini (&boxes);
return status;
}
}
if (! _cairo_path_fixed_iter_at_end (&iter)) {
_cairo_boxes_fini (&boxes);
return FALSE;
}
for (chunk = &boxes.chunks; chunk; chunk = chunk->next) {
for (i = 0; i < chunk->count; i++) {
const cairo_box_t *b = &chunk->base[i];
double x1 = _cairo_fixed_to_double (b->p1.x);
double y1 = _cairo_fixed_to_double (b->p1.y);
double x2 = _cairo_fixed_to_double (b->p2.x);
double y2 = _cairo_fixed_to_double (b->p2.y);
_cairo_output_stream_printf (ctx->stream,
"\n %f %f %f %f rectangle",
x1, y1, x2 - x1, y2 - y1);
}
}
_cairo_boxes_fini (&boxes);
return status;
}
static cairo_status_t
_emit_path (cairo_script_surface_t *surface,
const cairo_path_fixed_t *path)
const cairo_path_fixed_t *path,
cairo_bool_t is_fill)
{
cairo_script_context_t *ctx = to_context (surface);
cairo_box_t box;
cairo_status_t status;
cairo_int_status_t status;
assert (target_is_active (surface));
assert (_cairo_matrix_is_identity (&surface->cr.current_ctm));
@ -1733,39 +1782,41 @@ _emit_path (cairo_script_surface_t *surface,
if (path == NULL) {
_cairo_path_fixed_init (&surface->cr.current_path);
} else if (_cairo_path_fixed_is_rectangle (path, &box)) {
_cairo_output_stream_puts (ctx->stream, "\n");
return CAIRO_STATUS_SUCCESS;
}
status = _cairo_path_fixed_init_copy (&surface->cr.current_path, path);
if (unlikely (status))
return status;
status = CAIRO_INT_STATUS_UNSUPPORTED;
if (_cairo_path_fixed_is_rectangle (path, &box)) {
double x1 = _cairo_fixed_to_double (box.p1.x);
double y1 = _cairo_fixed_to_double (box.p1.y);
double x2 = _cairo_fixed_to_double (box.p2.x);
double y2 = _cairo_fixed_to_double (box.p2.y);
status = _cairo_path_fixed_init_copy (&surface->cr.current_path, path);
if (unlikely (status))
return status;
_cairo_output_stream_printf (ctx->stream,
" %f %f %f %f rectangle",
x1, y1, x2 - x1, y2 - y1);
} else {
cairo_status_t status;
status = _cairo_path_fixed_init_copy (&surface->cr.current_path, path);
if (unlikely (status))
return status;
status = CAIRO_INT_STATUS_SUCCESS;
} else if (is_fill && _cairo_path_fixed_fill_is_rectilinear (path)) {
status = _emit_path_boxes (surface, path);
}
if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
status = _cairo_path_fixed_interpret (path,
_path_move_to,
_path_line_to,
_path_curve_to,
_path_close,
ctx->stream);
if (unlikely (status))
return status;
}
_cairo_output_stream_puts (ctx->stream, "\n");
return CAIRO_STATUS_SUCCESS;
return status;
}
static cairo_bool_t
_scaling_matrix_equal (const cairo_matrix_t *a,
@ -2124,8 +2175,8 @@ _cairo_script_surface_clipper_intersect_clip_path (cairo_surface_clipper_t *clip
_cairo_path_fixed_is_box (path, &box))
{
if (box.p1.x <= 0 && box.p1.y <= 0 &&
box.p2.x - box.p1.x >= _cairo_fixed_from_double (surface->width) &&
box.p2.y - box.p1.y >= _cairo_fixed_from_double (surface->height))
box.p2.x >= _cairo_fixed_from_double (surface->width) &&
box.p2.y >= _cairo_fixed_from_double (surface->height))
{
return CAIRO_STATUS_SUCCESS;
}
@ -2151,7 +2202,7 @@ _cairo_script_surface_clipper_intersect_clip_path (cairo_surface_clipper_t *clip
return status;
}
status = _emit_path (surface, path);
status = _emit_path (surface, path, TRUE);
if (unlikely (status))
return status;
@ -2397,7 +2448,7 @@ _cairo_script_surface_stroke (void *abstract_surface,
if (unlikely (status))
goto BAIL;
status = _emit_path (surface, path);
status = _emit_path (surface, path, FALSE);
if (unlikely (status))
goto BAIL;
@ -2509,7 +2560,7 @@ _cairo_script_surface_fill (void *abstract_surface,
goto BAIL;
}
status = _emit_path (surface, path);
status = _emit_path (surface, path, TRUE);
if (unlikely (status))
goto BAIL;