static cairo_int_status_t
_analyze_recording_surface_pattern (cairo_analysis_surface_t *surface,
const cairo_pattern_t *pattern)
{
const cairo_surface_pattern_t *surface_pattern;
cairo_analysis_surface_t *tmp;
cairo_surface_t *source, *proxy;
cairo_matrix_t p2d;
cairo_status_t status, analysis_status;
assert (pattern->type == CAIRO_PATTERN_TYPE_SURFACE);
surface_pattern = (const cairo_surface_pattern_t *) pattern;
assert (surface_pattern->surface->type == CAIRO_SURFACE_TYPE_RECORDING);
source = surface_pattern->surface;
proxy = _cairo_surface_has_snapshot (source, &proxy_backend);
if (proxy != NULL) {
/* nothing untoward found so far */
return CAIRO_STATUS_SUCCESS;
}
tmp = (cairo_analysis_surface_t *)
_cairo_analysis_surface_create (surface->target);
if (unlikely (tmp->base.status))
return tmp->base.status;
proxy = attach_proxy (source, &tmp->base);
p2d = pattern->matrix;
status = cairo_matrix_invert (&p2d);
assert (status == CAIRO_STATUS_SUCCESS);
cairo_matrix_multiply (&tmp->ctm, &p2d, &surface->ctm);
tmp->has_ctm = ! _cairo_matrix_is_identity (&tmp->ctm);
if (_cairo_surface_is_snapshot (source))
source = _cairo_surface_snapshot_get_target (source);
if (_cairo_surface_is_subsurface (source))
source = _cairo_surface_subsurface_get_target (source);
status = _cairo_recording_surface_replay_and_create_regions (source,
&tmp->base);
analysis_status = tmp->has_unsupported ? CAIRO_INT_STATUS_IMAGE_FALLBACK : CAIRO_INT_STATUS_SUCCESS;
detach_proxy (proxy);
cairo_surface_destroy (&tmp->base);
if (unlikely (status))
return status;
return analysis_status;
}
static cairo_int_status_t
_paint_page (cairo_paginated_surface_t *surface)
{
cairo_surface_t *analysis;
cairo_int_status_t status;
cairo_bool_t has_supported, has_page_fallback, has_finegrained_fallback;
if (unlikely (surface->target->status))
return (cairo_int_status_t)surface->target->status;
analysis = _cairo_analysis_surface_create (surface->target);
if (unlikely (analysis->status))
return (cairo_int_status_t)_cairo_surface_set_error (surface->target, (cairo_int_status_t)analysis->status);
surface->backend->set_paginated_mode (surface->target,
CAIRO_PAGINATED_MODE_ANALYZE);
status = (cairo_int_status_t)_cairo_recording_surface_replay_and_create_regions (surface->recording_surface,
analysis);
if (status)
goto FAIL;
assert (analysis->status == CAIRO_STATUS_SUCCESS);
if (surface->backend->set_bounding_box) {
cairo_box_t bbox;
_cairo_analysis_surface_get_bounding_box (analysis, &bbox);
status = surface->backend->set_bounding_box (surface->target, &bbox);
if (unlikely (status))
goto FAIL;
}
if (surface->backend->set_fallback_images_required) {
cairo_bool_t has_fallbacks = _cairo_analysis_surface_has_unsupported (analysis);
status = surface->backend->set_fallback_images_required (surface->target,
has_fallbacks);
if (unlikely (status))
goto FAIL;
}
/* Finer grained fallbacks are currently only supported for some
* surface types */
if (surface->backend->supports_fine_grained_fallbacks != NULL &&
surface->backend->supports_fine_grained_fallbacks (surface->target))
{
has_supported = _cairo_analysis_surface_has_supported (analysis);
has_page_fallback = FALSE;
has_finegrained_fallback = _cairo_analysis_surface_has_unsupported (analysis);
}
else
{
if (_cairo_analysis_surface_has_unsupported (analysis)) {
has_supported = FALSE;
has_page_fallback = TRUE;
} else {
has_supported = TRUE;
has_page_fallback = FALSE;
}
has_finegrained_fallback = FALSE;
}
if (has_supported) {
surface->backend->set_paginated_mode (surface->target,
CAIRO_PAGINATED_MODE_RENDER);
status = (cairo_int_status_t)_cairo_recording_surface_replay_region (surface->recording_surface,
NULL,
surface->target,
CAIRO_RECORDING_REGION_NATIVE);
assert (status != CAIRO_INT_STATUS_UNSUPPORTED);
if (unlikely (status))
goto FAIL;
}
if (has_page_fallback) {
cairo_rectangle_int_t extents;
cairo_bool_t is_bounded;
surface->backend->set_paginated_mode (surface->target,
CAIRO_PAGINATED_MODE_FALLBACK);
is_bounded = _cairo_surface_get_extents (surface->target, &extents);
if (! is_bounded) {
status = CAIRO_INT_STATUS_UNSUPPORTED;
goto FAIL;
}
status = _paint_fallback_image (surface, &extents);
if (unlikely (status))
goto FAIL;
}
if (has_finegrained_fallback) {
cairo_region_t *region;
int num_rects, i;
surface->backend->set_paginated_mode (surface->target,
CAIRO_PAGINATED_MODE_FALLBACK);
region = _cairo_analysis_surface_get_unsupported (analysis);
num_rects = cairo_region_num_rectangles (region);
for (i = 0; i < num_rects; i++) {
cairo_rectangle_int_t rect;
cairo_region_get_rectangle (region, i, &rect);
status = _paint_fallback_image (surface, &rect);
if (unlikely (status))
goto FAIL;
}
}
FAIL:
cairo_surface_destroy (analysis);
return _cairo_surface_set_error (surface->target, status);
}
static cairo_int_status_t
_analyze_recording_surface_pattern (cairo_analysis_surface_t *surface,
const cairo_pattern_t *pattern,
cairo_rectangle_int_t *extents)
{
const cairo_surface_pattern_t *surface_pattern;
cairo_analysis_surface_t *tmp;
cairo_surface_t *source, *proxy;
cairo_matrix_t p2d;
cairo_int_status_t status, analysis_status;
cairo_bool_t surface_is_unbounded;
cairo_bool_t unused;
assert (pattern->type == CAIRO_PATTERN_TYPE_SURFACE);
surface_pattern = (const cairo_surface_pattern_t *) pattern;
assert (surface_pattern->surface->type == CAIRO_SURFACE_TYPE_RECORDING);
source = surface_pattern->surface;
proxy = _cairo_surface_has_snapshot (source, &proxy_backend);
if (proxy != NULL) {
/* nothing untoward found so far */
return CAIRO_STATUS_SUCCESS;
}
tmp = (cairo_analysis_surface_t *)
_cairo_analysis_surface_create (surface->target);
if (unlikely (tmp->base.status)) {
status =tmp->base.status;
goto cleanup1;
}
proxy = attach_proxy (source, &tmp->base);
p2d = pattern->matrix;
status = cairo_matrix_invert (&p2d);
assert (status == CAIRO_INT_STATUS_SUCCESS);
_cairo_analysis_surface_set_ctm (&tmp->base, &p2d);
source = _cairo_surface_get_source (source, NULL);
surface_is_unbounded = (pattern->extend == CAIRO_EXTEND_REPEAT
|| pattern->extend == CAIRO_EXTEND_REFLECT);
status = _cairo_recording_surface_replay_and_create_regions (source,
&pattern->matrix,
&tmp->base,
surface_is_unbounded);
if (unlikely (status))
goto cleanup2;
/* black background or mime data fills entire extents */
if (!(source->content & CAIRO_CONTENT_ALPHA) || _cairo_surface_has_mime_image (source)) {
cairo_rectangle_int_t rect;
if (_cairo_surface_get_extents (source, &rect)) {
cairo_box_t bbox;
_cairo_box_from_rectangle (&bbox, &rect);
_cairo_matrix_transform_bounding_box_fixed (&p2d, &bbox, NULL);
_cairo_box_round_to_rectangle (&bbox, &rect);
status = _add_operation (tmp, &rect, CAIRO_INT_STATUS_SUCCESS);
if (status == CAIRO_INT_STATUS_IMAGE_FALLBACK)
status = CAIRO_INT_STATUS_SUCCESS;
if (unlikely (status))
goto cleanup2;
}
}
if (tmp->has_supported) {
surface->has_supported = TRUE;
unused = cairo_region_union (&surface->supported_region, &tmp->supported_region);
}
if (tmp->has_unsupported) {
surface->has_unsupported = TRUE;
unused = cairo_region_union (&surface->fallback_region, &tmp->fallback_region);
}
analysis_status = tmp->has_unsupported ? CAIRO_INT_STATUS_IMAGE_FALLBACK : CAIRO_INT_STATUS_SUCCESS;
if (pattern->extend != CAIRO_EXTEND_NONE) {
_cairo_unbounded_rectangle_init (extents);
} else {
status = cairo_matrix_invert (&tmp->ctm);
_cairo_matrix_transform_bounding_box_fixed (&tmp->ctm,
&tmp->page_bbox, NULL);
_cairo_box_round_to_rectangle (&tmp->page_bbox, extents);
}
cleanup2:
detach_proxy (proxy);
cleanup1:
cairo_surface_destroy (&tmp->base);
if (unlikely (status))
return status;
return analysis_status;
}
