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; }