static cairo_status_t _cairo_meta_surface_replay_internal (cairo_surface_t *surface, cairo_surface_t *target, cairo_meta_replay_type_t type, cairo_meta_region_type_t region) { cairo_meta_surface_t *meta; cairo_command_t *command, **elements; int i, num_elements; cairo_int_status_t status, status2; cairo_clip_t clip, *old_clip; cairo_bool_t has_device_transform = _cairo_surface_has_device_transform (target); cairo_matrix_t *device_transform = &target->device_transform; cairo_path_fixed_t path_copy, *dev_path; if (surface->status) return surface->status; if (target->status) return _cairo_surface_set_error (surface, target->status); meta = (cairo_meta_surface_t *) surface; status = CAIRO_STATUS_SUCCESS; _cairo_clip_init (&clip, target); old_clip = _cairo_surface_get_clip (target); num_elements = meta->commands.num_elements; elements = _cairo_array_index (&meta->commands, 0); for (i = meta->replay_start_idx; i < num_elements; i++) { command = elements[i]; if (type == CAIRO_META_REPLAY && region != CAIRO_META_REGION_ALL) { if (command->header.region != region) continue; } /* For all commands except intersect_clip_path, we have to * ensure the current clip gets set on the surface. */ if (command->header.type != CAIRO_COMMAND_INTERSECT_CLIP_PATH) { status = _cairo_surface_set_clip (target, &clip); if (status) break; } dev_path = _cairo_command_get_path (command); if (dev_path && has_device_transform) { status = _cairo_path_fixed_init_copy (&path_copy, dev_path); if (status) break; _cairo_path_fixed_transform (&path_copy, device_transform); dev_path = &path_copy; } switch (command->header.type) { case CAIRO_COMMAND_PAINT: status = _cairo_surface_paint (target, command->paint.op, &command->paint.source.base); break; case CAIRO_COMMAND_MASK: status = _cairo_surface_mask (target, command->mask.op, &command->mask.source.base, &command->mask.mask.base); break; case CAIRO_COMMAND_STROKE: { cairo_matrix_t dev_ctm = command->stroke.ctm; cairo_matrix_t dev_ctm_inverse = command->stroke.ctm_inverse; if (has_device_transform) { cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform); cairo_matrix_multiply (&dev_ctm_inverse, &target->device_transform_inverse, &dev_ctm_inverse); } status = _cairo_surface_stroke (target, command->stroke.op, &command->stroke.source.base, dev_path, &command->stroke.style, &dev_ctm, &dev_ctm_inverse, command->stroke.tolerance, command->stroke.antialias); break; } case CAIRO_COMMAND_FILL: { cairo_command_t *stroke_command; if (type != CAIRO_META_CREATE_REGIONS) stroke_command = (i < num_elements - 1) ? elements[i + 1] : NULL; else stroke_command = NULL; if (stroke_command != NULL && type == CAIRO_META_REPLAY && region != CAIRO_META_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 (dev_path, _cairo_command_get_path (stroke_command))) { cairo_matrix_t dev_ctm; cairo_matrix_t dev_ctm_inverse; dev_ctm = stroke_command->stroke.ctm; dev_ctm_inverse = stroke_command->stroke.ctm_inverse; if (has_device_transform) { cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform); cairo_matrix_multiply (&dev_ctm_inverse, &surface->device_transform_inverse, &dev_ctm_inverse); } status = _cairo_surface_fill_stroke (target, command->fill.op, &command->fill.source.base, command->fill.fill_rule, command->fill.tolerance, command->fill.antialias, dev_path, stroke_command->stroke.op, &stroke_command->stroke.source.base, &stroke_command->stroke.style, &dev_ctm, &dev_ctm_inverse, stroke_command->stroke.tolerance, stroke_command->stroke.antialias); i++; } else status = _cairo_surface_fill (target, command->fill.op, &command->fill.source.base, dev_path, command->fill.fill_rule, command->fill.tolerance, command->fill.antialias); break; } case CAIRO_COMMAND_SHOW_TEXT_GLYPHS: { cairo_glyph_t *glyphs = command->show_text_glyphs.glyphs; cairo_glyph_t *dev_glyphs; int i, 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. */ dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t)); if (dev_glyphs == NULL) { status = _cairo_error (CAIRO_STATUS_NO_MEMORY); break; } if (has_device_transform) { for (i = 0; i < num_glyphs; i++) { dev_glyphs[i] = glyphs[i]; cairo_matrix_transform_point (device_transform, &dev_glyphs[i].x, &dev_glyphs[i].y); } } else { memcpy (dev_glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs); } status = _cairo_surface_show_text_glyphs (target, command->show_text_glyphs.op, &command->show_text_glyphs.source.base, command->show_text_glyphs.utf8, command->show_text_glyphs.utf8_len, dev_glyphs, 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); free (dev_glyphs); break; } case CAIRO_COMMAND_INTERSECT_CLIP_PATH: /* XXX Meta surface clipping is broken and requires some * cairo-gstate.c rewriting. Work around it for now. */ if (dev_path == NULL) _cairo_clip_reset (&clip); else status = _cairo_clip_clip (&clip, dev_path, command->intersect_clip_path.fill_rule, command->intersect_clip_path.tolerance, command->intersect_clip_path.antialias, target); break; default: ASSERT_NOT_REACHED; } if (dev_path == &path_copy) _cairo_path_fixed_fini (&path_copy); if (type == CAIRO_META_CREATE_REGIONS) { if (status == CAIRO_STATUS_SUCCESS) { command->header.region = CAIRO_META_REGION_NATIVE; } else if (status == CAIRO_INT_STATUS_IMAGE_FALLBACK) { command->header.region = CAIRO_META_REGION_IMAGE_FALLBACK; status = CAIRO_STATUS_SUCCESS; } } if (status) break; } _cairo_clip_reset (&clip); status2 = _cairo_surface_set_clip (target, old_clip); if (status == CAIRO_STATUS_SUCCESS) status = status2; return _cairo_surface_set_error (surface, status); }
/* Composites a region representing a set of trapezoids. */ static cairo_status_t _composite_trap_region (cairo_clip_t *clip, cairo_pattern_t *src, cairo_operator_t op, cairo_surface_t *dst, cairo_region_t *trap_region, cairo_rectangle_int_t *extents) { cairo_status_t status; cairo_pattern_union_t solid_pattern; cairo_pattern_union_t mask; int num_rects = _cairo_region_num_boxes (trap_region); unsigned int clip_serial; cairo_surface_t *clip_surface = clip ? clip->surface : NULL; if (clip_surface && op == CAIRO_OPERATOR_CLEAR) { _cairo_pattern_init_solid (&solid_pattern.solid, CAIRO_COLOR_WHITE, CAIRO_CONTENT_COLOR); src = &solid_pattern.base; op = CAIRO_OPERATOR_DEST_OUT; } if (num_rects == 0) return CAIRO_STATUS_SUCCESS; if (num_rects > 1) { if (_cairo_surface_get_clip_mode (dst) != CAIRO_CLIP_MODE_REGION) return CAIRO_INT_STATUS_UNSUPPORTED; clip_serial = _cairo_surface_allocate_clip_serial (dst); status = _cairo_surface_set_clip_region (dst, trap_region, clip_serial); if (status) return status; } if (clip_surface) _cairo_pattern_init_for_surface (&mask.surface, clip_surface); status = _cairo_surface_composite (op, src, clip_surface ? &mask.base : NULL, dst, extents->x, extents->y, extents->x - (clip_surface ? clip->surface_rect.x : 0), extents->y - (clip_surface ? clip->surface_rect.y : 0), extents->x, extents->y, extents->width, extents->height); /* Restore the original clip if we modified it temporarily. */ if (num_rects > 1) { cairo_status_t status2 = _cairo_surface_set_clip (dst, clip); if (status == CAIRO_STATUS_SUCCESS) status = status2; } if (clip_surface) _cairo_pattern_fini (&mask.base); if (src == &solid_pattern.base) _cairo_pattern_fini (&solid_pattern.base); return status; }
cairo_int_status_t _cairo_meta_surface_replay (cairo_surface_t *surface, cairo_surface_t *target) { cairo_meta_surface_t *meta; cairo_command_t *command, **elements; int i, num_elements; cairo_int_status_t status; cairo_traps_t traps; cairo_clip_t clip; meta = (cairo_meta_surface_t *) surface; status = CAIRO_STATUS_SUCCESS; _cairo_clip_init (&clip, target); num_elements = meta->commands.num_elements; elements = (cairo_command_t **) meta->commands.elements; for (i = 0; i < num_elements; i++) { command = elements[i]; switch (command->type) { case CAIRO_COMMAND_COMPOSITE: status = _cairo_surface_set_clip (target, &clip); if (status) break; status = _cairo_surface_composite (command->composite.operator, &command->composite.src_pattern.base, command->composite.mask_pattern_pointer, target, command->composite.src_x, command->composite.src_y, command->composite.mask_x, command->composite.mask_y, command->composite.dst_x, command->composite.dst_y, command->composite.width, command->composite.height); break; case CAIRO_COMMAND_FILL_RECTANGLES: status = _cairo_surface_set_clip (target, &clip); if (status) break; status = _cairo_surface_fill_rectangles (target, command->fill_rectangles.operator, &command->fill_rectangles.color, command->fill_rectangles.rects, command->fill_rectangles.num_rects); break; case CAIRO_COMMAND_COMPOSITE_TRAPEZOIDS: status = _cairo_surface_set_clip (target, &clip); if (status) break; status = _cairo_surface_composite_trapezoids (command->composite_trapezoids.operator, &command->composite_trapezoids.pattern.base, target, command->composite_trapezoids.antialias, command->composite_trapezoids.x_src, command->composite_trapezoids.y_src, command->composite_trapezoids.x_dst, command->composite_trapezoids.y_dst, command->composite_trapezoids.width, command->composite_trapezoids.height, command->composite_trapezoids.traps, command->composite_trapezoids.num_traps); break; case CAIRO_COMMAND_INTERSECT_CLIP_PATH: /* XXX Meta surface clipping is broken and requires some * cairo-gstate.c rewriting. Work around it for now. */ if (command->intersect_clip_path.path_pointer == NULL) status = _cairo_clip_reset (&clip); else status = _cairo_clip_clip (&clip, command->intersect_clip_path.path_pointer, command->intersect_clip_path.fill_rule, command->intersect_clip_path.tolerance, command->intersect_clip_path.antialias, target); break; case CAIRO_COMMAND_SHOW_GLYPHS: status = _cairo_surface_set_clip (target, &clip); if (status) break; status = _cairo_surface_show_glyphs (command->show_glyphs.scaled_font, command->show_glyphs.operator, &command->show_glyphs.pattern.base, target, command->show_glyphs.source_x, command->show_glyphs.source_y, command->show_glyphs.dest_x, command->show_glyphs.dest_y, command->show_glyphs.width, command->show_glyphs.height, command->show_glyphs.glyphs, command->show_glyphs.num_glyphs); if (status != CAIRO_INT_STATUS_UNSUPPORTED) break; status = (*command->show_glyphs.scaled_font->backend-> show_glyphs) (command->show_glyphs.scaled_font, command->show_glyphs.operator, &command->show_glyphs.pattern.base, target, command->show_glyphs.source_x, command->show_glyphs.source_y, command->show_glyphs.dest_x, command->show_glyphs.dest_y, command->show_glyphs.width, command->show_glyphs.height, command->show_glyphs.glyphs, command->show_glyphs.num_glyphs); break; case CAIRO_COMMAND_FILL_PATH: status = _cairo_surface_set_clip (target, &clip); if (status) break; status = _cairo_surface_fill_path (command->fill_path.operator, &command->fill_path.pattern.base, target, &command->fill_path.path, command->fill_path.fill_rule, command->fill_path.tolerance); if (status != CAIRO_INT_STATUS_UNSUPPORTED) break; _cairo_traps_init (&traps); status = _cairo_path_fixed_fill_to_traps (&command->fill_path.path, command->fill_path.fill_rule, command->fill_path.tolerance, &traps); if (status) { _cairo_traps_fini (&traps); break; } status = _cairo_surface_clip_and_composite_trapezoids (&command->fill_path.pattern.base, command->fill_path.operator, target, &traps, &clip, command->fill_path.antialias); _cairo_traps_fini (&traps); break; default: ASSERT_NOT_REACHED; } if (status) break; } _cairo_clip_fini (&clip); return status; }