static cairo_surface_t * _cairo_tee_surface_snapshot (void *abstract_surface) { cairo_tee_surface_t *surface = abstract_surface; cairo_surface_wrapper_t *slaves; int num_slaves, n; /* we prefer to use a recording surface for our snapshots */ if (_cairo_surface_is_recording (surface->master.target)) return _cairo_surface_wrapper_snapshot (&surface->master); num_slaves = _cairo_array_num_elements (&surface->slaves); slaves = _cairo_array_index (&surface->slaves, 0); for (n = 0; n < num_slaves; n++) { if (_cairo_surface_is_recording (slaves[n].target)) return _cairo_surface_wrapper_snapshot (&slaves[n]); } return _cairo_surface_wrapper_snapshot (&surface->master); }
static cairo_bool_t is_recording_pattern (const cairo_pattern_t *pattern) { cairo_surface_t *surface; if (pattern->type != CAIRO_PATTERN_TYPE_SURFACE) return FALSE; surface = ((const cairo_surface_pattern_t *) pattern)->surface; return _cairo_surface_is_recording (surface); }
cairo_status_t cairo_xml_for_recording_surface (cairo_device_t *device, cairo_surface_t *recording_surface) { cairo_box_t bbox; cairo_rectangle_int_t extents; cairo_surface_t *surface; cairo_xml_t *xml; cairo_status_t status; if (unlikely (device->status)) return device->status; if (unlikely (recording_surface->status)) return recording_surface->status; if (unlikely (device->backend->type != CAIRO_DEVICE_TYPE_XML)) return _cairo_error (CAIRO_STATUS_DEVICE_TYPE_MISMATCH); if (unlikely (! _cairo_surface_is_recording (recording_surface))) return _cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH); status = _cairo_recording_surface_get_bbox ((cairo_recording_surface_t *) recording_surface, &bbox, NULL); if (unlikely (status)) return status; _cairo_box_round_to_rectangle (&bbox, &extents); surface = _cairo_xml_surface_create_internal (device, recording_surface->content, extents.width, extents.height); if (unlikely (surface->status)) return surface->status; xml = (cairo_xml_t *) device; _cairo_xml_printf (xml, "<surface content='%s' width='%d' height='%d'>", _content_to_string (recording_surface->content), extents.width, extents.height); _cairo_xml_indent (xml, 2); cairo_surface_set_device_offset (surface, -extents.x, -extents.y); status = _cairo_recording_surface_replay (recording_surface, surface); cairo_surface_destroy (surface); _cairo_xml_indent (xml, -2); _cairo_xml_printf (xml, "</surface>"); return status; }
static cairo_int_status_t _cairo_analysis_surface_mask (void *abstract_surface, cairo_operator_t op, const cairo_pattern_t *source, const cairo_pattern_t *mask, const cairo_clip_t *clip) { cairo_analysis_surface_t *surface = abstract_surface; cairo_int_status_t backend_status; cairo_rectangle_int_t extents; if (surface->target->backend->mask == NULL) { backend_status = CAIRO_INT_STATUS_UNSUPPORTED; } else { backend_status = surface->target->backend->mask (surface->target, op, source, mask, clip); if (_cairo_int_status_is_error (backend_status)) return backend_status; } if (backend_status == CAIRO_INT_STATUS_ANALYZE_RECORDING_SURFACE_PATTERN) { cairo_int_status_t backend_source_status = CAIRO_STATUS_SUCCESS; cairo_int_status_t backend_mask_status = CAIRO_STATUS_SUCCESS; if (source->type == CAIRO_PATTERN_TYPE_SURFACE) { cairo_surface_t *src_surface = ((cairo_surface_pattern_t *)source)->surface; src_surface = _cairo_surface_get_source (src_surface, NULL); if (_cairo_surface_is_recording (src_surface)) { backend_source_status = _analyze_recording_surface_pattern (surface, source); if (_cairo_int_status_is_error (backend_source_status)) return backend_source_status; } } if (mask->type == CAIRO_PATTERN_TYPE_SURFACE) { cairo_surface_t *mask_surface = ((cairo_surface_pattern_t *)mask)->surface; mask_surface = _cairo_surface_get_source (mask_surface, NULL); if (_cairo_surface_is_recording (mask_surface)) { backend_mask_status = _analyze_recording_surface_pattern (surface, mask); if (_cairo_int_status_is_error (backend_mask_status)) return backend_mask_status; } } backend_status = _cairo_analysis_surface_merge_status (backend_source_status, backend_mask_status); } _cairo_analysis_surface_operation_extents (surface, op, source, clip, &extents); if (_cairo_operator_bounded_by_mask (op)) { cairo_rectangle_int_t mask_extents; _cairo_pattern_get_extents (mask, &mask_extents); _cairo_rectangle_intersect (&extents, &mask_extents); } return _add_operation (surface, &extents, backend_status); }
static cairo_status_t _cairo_recording_surface_replay_internal (cairo_surface_t *surface, const cairo_rectangle_int_t *surface_extents, cairo_surface_t *target, cairo_recording_replay_type_t type, cairo_recording_region_type_t region) { cairo_recording_surface_t *recording_surface; cairo_command_t **elements; int i, num_elements; cairo_int_status_t status; cairo_surface_wrapper_t wrapper; if (unlikely (surface->status)) return surface->status; if (unlikely (target->status)) return target->status; if (unlikely (surface->finished)) return _cairo_error (CAIRO_STATUS_SURFACE_FINISHED); if (surface->is_clear) return CAIRO_STATUS_SUCCESS; assert (_cairo_surface_is_recording (surface)); _cairo_surface_wrapper_init (&wrapper, target); _cairo_surface_wrapper_set_extents (&wrapper, surface_extents); recording_surface = (cairo_recording_surface_t *) surface; status = CAIRO_STATUS_SUCCESS; num_elements = recording_surface->commands.num_elements; elements = _cairo_array_index (&recording_surface->commands, 0); for (i = recording_surface->replay_start_idx; i < num_elements; i++) { cairo_command_t *command = elements[i]; if (type == CAIRO_RECORDING_REPLAY && region != CAIRO_RECORDING_REGION_ALL) { if (command->header.region != region) continue; } switch (command->header.type) { case CAIRO_COMMAND_PAINT: status = _cairo_surface_wrapper_paint (&wrapper, command->header.op, &command->paint.source.base, _clip (command)); break; case CAIRO_COMMAND_MASK: status = _cairo_surface_wrapper_mask (&wrapper, command->header.op, &command->mask.source.base, &command->mask.mask.base, _clip (command)); break; case CAIRO_COMMAND_STROKE: { status = _cairo_surface_wrapper_stroke (&wrapper, command->header.op, &command->stroke.source.base, &command->stroke.path, &command->stroke.style, &command->stroke.ctm, &command->stroke.ctm_inverse, command->stroke.tolerance, command->stroke.antialias, _clip (command)); break; } case CAIRO_COMMAND_FILL: { cairo_command_t *stroke_command; stroke_command = NULL; if (type != CAIRO_RECORDING_CREATE_REGIONS && i < num_elements - 1) stroke_command = elements[i + 1]; if (stroke_command != NULL && type == CAIRO_RECORDING_REPLAY && region != CAIRO_RECORDING_REGION_ALL) { if (stroke_command->header.region != region) stroke_command = NULL; } if (stroke_command != NULL && stroke_command->header.type == CAIRO_COMMAND_STROKE && _cairo_path_fixed_is_equal (&command->fill.path, &stroke_command->stroke.path)) { status = _cairo_surface_wrapper_fill_stroke (&wrapper, command->header.op, &command->fill.source.base, command->fill.fill_rule, command->fill.tolerance, command->fill.antialias, &command->fill.path, stroke_command->header.op, &stroke_command->stroke.source.base, &stroke_command->stroke.style, &stroke_command->stroke.ctm, &stroke_command->stroke.ctm_inverse, stroke_command->stroke.tolerance, stroke_command->stroke.antialias, _clip (command)); i++; } else { status = _cairo_surface_wrapper_fill (&wrapper, command->header.op, &command->fill.source.base, &command->fill.path, command->fill.fill_rule, command->fill.tolerance, command->fill.antialias, _clip (command)); } break; } case CAIRO_COMMAND_SHOW_TEXT_GLYPHS: { cairo_glyph_t *glyphs = command->show_text_glyphs.glyphs; cairo_glyph_t *glyphs_copy; int num_glyphs = command->show_text_glyphs.num_glyphs; /* show_text_glyphs is special because _cairo_surface_show_text_glyphs is allowed * to modify the glyph array that's passed in. We must always * copy the array before handing it to the backend. */ glyphs_copy = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t)); if (unlikely (glyphs_copy == NULL)) { status = _cairo_error (CAIRO_STATUS_NO_MEMORY); break; } memcpy (glyphs_copy, glyphs, sizeof (cairo_glyph_t) * num_glyphs); status = _cairo_surface_wrapper_show_text_glyphs (&wrapper, command->header.op, &command->show_text_glyphs.source.base, command->show_text_glyphs.utf8, command->show_text_glyphs.utf8_len, glyphs_copy, num_glyphs, command->show_text_glyphs.clusters, command->show_text_glyphs.num_clusters, command->show_text_glyphs.cluster_flags, command->show_text_glyphs.scaled_font, _clip (command)); free (glyphs_copy); break; } default: ASSERT_NOT_REACHED; } if (type == CAIRO_RECORDING_CREATE_REGIONS) { if (status == CAIRO_STATUS_SUCCESS) { command->header.region = CAIRO_RECORDING_REGION_NATIVE; } else if (status == CAIRO_INT_STATUS_IMAGE_FALLBACK) { command->header.region = CAIRO_RECORDING_REGION_IMAGE_FALLBACK; status = CAIRO_STATUS_SUCCESS; } else { assert (_cairo_status_is_error (status)); } } if (unlikely (status)) break; } /* free up any caches */ for (i = recording_surface->replay_start_idx; i < num_elements; i++) { cairo_command_t *command = elements[i]; _cairo_clip_drop_cache (&command->header.clip); } _cairo_surface_wrapper_fini (&wrapper); return _cairo_surface_set_error (surface, status); }