static cairo_status_t _cairo_surface_clipper_intersect_clip_boxes (cairo_surface_clipper_t *clipper, const cairo_clip_t *clip) { cairo_path_fixed_t path; cairo_status_t status; int i; if (clip->num_boxes == 0) return CAIRO_STATUS_SUCCESS; /* Reconstruct the path for the clip boxes. * XXX maybe a new clipper callback? */ _cairo_path_fixed_init (&path); for (i = 0; i < clip->num_boxes; i++) { status = _cairo_path_fixed_add_box (&path, &clip->boxes[i]); if (unlikely (status)) { _cairo_path_fixed_fini (&path); return status; } } status = clipper->intersect_clip_path (clipper, &path, CAIRO_FILL_RULE_WINDING, 0., CAIRO_ANTIALIAS_DEFAULT); _cairo_path_fixed_fini (&path); return status; }
static cairo_status_t _cairo_meta_surface_finish (void *abstract_surface) { cairo_meta_surface_t *meta = abstract_surface; cairo_command_t *command; cairo_command_t **elements; int i, num_elements; 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: _cairo_pattern_fini (&command->composite.src_pattern.base); if (command->composite.mask_pattern_pointer) _cairo_pattern_fini (command->composite.mask_pattern_pointer); free (command); break; case CAIRO_COMMAND_FILL_RECTANGLES: free (command->fill_rectangles.rects); free (command); break; case CAIRO_COMMAND_COMPOSITE_TRAPEZOIDS: _cairo_pattern_fini (&command->composite_trapezoids.pattern.base); free (command->composite_trapezoids.traps); free (command); break; case CAIRO_COMMAND_INTERSECT_CLIP_PATH: if (command->intersect_clip_path.path_pointer) _cairo_path_fixed_fini (&command->intersect_clip_path.path); free (command); break; case CAIRO_COMMAND_SHOW_GLYPHS: cairo_scaled_font_destroy (command->show_glyphs.scaled_font); _cairo_pattern_fini (&command->show_glyphs.pattern.base); free (command->show_glyphs.glyphs); free (command); break; case CAIRO_COMMAND_FILL_PATH: _cairo_pattern_fini (&command->fill_path.pattern.base); _cairo_path_fixed_fini (&command->fill_path.path); free (command); break; default: ASSERT_NOT_REACHED; } } _cairo_array_fini (&meta->commands); return CAIRO_STATUS_SUCCESS; }
static cairo_status_t _cairo_recording_surface_finish (void *abstract_surface) { cairo_recording_surface_t *recording_surface = abstract_surface; cairo_command_t **elements; int i, num_elements; num_elements = recording_surface->commands.num_elements; elements = _cairo_array_index (&recording_surface->commands, 0); for (i = 0; i < num_elements; i++) { cairo_command_t *command = elements[i]; switch (command->header.type) { case CAIRO_COMMAND_PAINT: _cairo_pattern_fini (&command->paint.source.base); break; case CAIRO_COMMAND_MASK: _cairo_pattern_fini (&command->mask.source.base); _cairo_pattern_fini (&command->mask.mask.base); break; case CAIRO_COMMAND_STROKE: _cairo_pattern_fini (&command->stroke.source.base); _cairo_path_fixed_fini (&command->stroke.path); _cairo_stroke_style_fini (&command->stroke.style); break; case CAIRO_COMMAND_FILL: _cairo_pattern_fini (&command->fill.source.base); _cairo_path_fixed_fini (&command->fill.path); break; case CAIRO_COMMAND_SHOW_TEXT_GLYPHS: _cairo_pattern_fini (&command->show_text_glyphs.source.base); free (command->show_text_glyphs.utf8); free (command->show_text_glyphs.glyphs); free (command->show_text_glyphs.clusters); cairo_scaled_font_destroy (command->show_text_glyphs.scaled_font); break; default: ASSERT_NOT_REACHED; } _cairo_clip_fini (&command->header.clip); free (command); } _cairo_array_fini (&recording_surface->commands); _cairo_clip_fini (&recording_surface->clip); return CAIRO_STATUS_SUCCESS; }
cairo_status_t _cairo_path_fixed_init_copy (cairo_path_fixed_t *path, cairo_path_fixed_t *other) { cairo_path_buf_t *buf, *other_buf; _cairo_path_fixed_init (path); path->current_point = other->current_point; path->has_current_point = other->has_current_point; path->has_curve_to = other->has_curve_to; path->last_move_point = other->last_move_point; path->buf_head->num_ops = other->buf_head->num_ops; path->buf_head->num_points = other->buf_head->num_points; memcpy (path->buf_head->op, other->buf_head->op, other->buf_head->num_ops * sizeof (other->buf_head->op[0])); memcpy (path->buf_head->points, other->buf_head->points, other->buf_head->num_points * sizeof (other->buf_head->points[0])); for (other_buf = other->buf_head->next; other_buf; other_buf = other_buf->next) { buf = _cairo_path_buf_create (); if (buf == NULL) { _cairo_path_fixed_fini (path); return CAIRO_STATUS_NO_MEMORY; } memcpy (buf, other_buf, sizeof (cairo_path_buf_t)); _cairo_path_fixed_add_buf (path, buf); } return CAIRO_STATUS_SUCCESS; }
static cairo_int_status_t _cairo_recording_surface_stroke (void *abstract_surface, cairo_operator_t op, const cairo_pattern_t *source, cairo_path_fixed_t *path, const cairo_stroke_style_t *style, const cairo_matrix_t *ctm, const cairo_matrix_t *ctm_inverse, double tolerance, cairo_antialias_t antialias, cairo_clip_t *clip) { cairo_status_t status; cairo_recording_surface_t *recording_surface = abstract_surface; cairo_command_stroke_t *command; command = malloc (sizeof (cairo_command_stroke_t)); if (unlikely (command == NULL)) return _cairo_error (CAIRO_STATUS_NO_MEMORY); status = _command_init (recording_surface, &command->header, CAIRO_COMMAND_STROKE, op, clip); if (unlikely (status)) goto CLEANUP_COMMAND; status = _cairo_pattern_init_snapshot (&command->source.base, source); if (unlikely (status)) goto CLEANUP_COMMAND; status = _cairo_path_fixed_init_copy (&command->path, path); if (unlikely (status)) goto CLEANUP_SOURCE; status = _cairo_stroke_style_init_copy (&command->style, style); if (unlikely (status)) goto CLEANUP_PATH; command->ctm = *ctm; command->ctm_inverse = *ctm_inverse; command->tolerance = tolerance; command->antialias = antialias; status = _cairo_array_append (&recording_surface->commands, &command); if (unlikely (status)) goto CLEANUP_STYLE; return CAIRO_STATUS_SUCCESS; CLEANUP_STYLE: _cairo_stroke_style_fini (&command->style); CLEANUP_PATH: _cairo_path_fixed_fini (&command->path); CLEANUP_SOURCE: _cairo_pattern_fini (&command->source.base); CLEANUP_COMMAND: _cairo_clip_fini (&command->header.clip); free (command); return status; }
cairo_status_t _cairo_surface_wrapper_fill (cairo_surface_wrapper_t *wrapper, cairo_operator_t op, const cairo_pattern_t *source, cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias, cairo_clip_t *clip) { cairo_status_t status; cairo_matrix_t device_transform; cairo_path_fixed_t path_copy, *dev_path = path; cairo_clip_t clip_copy, *dev_clip = clip; if (unlikely (wrapper->target->status)) return wrapper->target->status; if (clip && clip->all_clipped) return CAIRO_STATUS_SUCCESS; if (_cairo_surface_wrapper_needs_device_transform (wrapper, &device_transform)) { status = _cairo_path_fixed_init_copy (&path_copy, dev_path); if (unlikely (status)) goto FINISH; _cairo_path_fixed_transform (&path_copy, &device_transform); dev_path = &path_copy; if (clip != NULL) { status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &device_transform); if (unlikely (status)) goto FINISH; dev_clip = &clip_copy; } } else { if (clip != NULL) { dev_clip = &clip_copy; _cairo_clip_init_copy (&clip_copy, clip); } } status = _cairo_surface_fill (wrapper->target, op, source, dev_path, fill_rule, tolerance, antialias, dev_clip); FINISH: if (dev_path != path) _cairo_path_fixed_fini (dev_path); if (dev_clip != clip) _cairo_clip_reset (dev_clip); return status; }
cairo_status_t _cairo_path_fixed_init_copy (cairo_path_fixed_t *path, cairo_path_fixed_t *other) { cairo_path_buf_t *buf, *other_buf; unsigned int num_points, num_ops, buf_size; _cairo_path_fixed_init (path); path->current_point = other->current_point; path->has_current_point = other->has_current_point; path->has_curve_to = other->has_curve_to; path->last_move_point = other->last_move_point; path->buf_head.base.num_ops = other->buf_head.base.num_ops; path->buf_head.base.num_points = other->buf_head.base.num_points; path->buf_head.base.buf_size = other->buf_head.base.buf_size; memcpy (path->buf_head.op, other->buf_head.base.op, other->buf_head.base.num_ops * sizeof (other->buf_head.op[0])); memcpy (path->buf_head.points, other->buf_head.points, other->buf_head.base.num_points * sizeof (other->buf_head.points[0])); num_points = num_ops = 0; for (other_buf = other->buf_head.base.next; other_buf != NULL; other_buf = other_buf->next) { num_ops += other_buf->num_ops; num_points += other_buf->num_points; } buf_size = MAX (num_ops, (num_points + 1) / 2); if (buf_size) { buf = _cairo_path_buf_create (buf_size); if (buf == NULL) { _cairo_path_fixed_fini (path); return _cairo_error (CAIRO_STATUS_NO_MEMORY); } for (other_buf = other->buf_head.base.next; other_buf != NULL; other_buf = other_buf->next) { memcpy (buf->op + buf->num_ops, other_buf->op, other_buf->num_ops * sizeof (buf->op[0])); buf->num_ops += other_buf->num_ops; memcpy (buf->points + buf->num_points, other_buf->points, other_buf->num_points * sizeof (buf->points[0])); buf->num_points += other_buf->num_points; } _cairo_path_fixed_add_buf (path, buf); } return CAIRO_STATUS_SUCCESS; }
static cairo_int_status_t _cairo_meta_surface_stroke (void *abstract_surface, cairo_operator_t op, cairo_pattern_t *source, cairo_path_fixed_t *path, cairo_stroke_style_t *style, cairo_matrix_t *ctm, cairo_matrix_t *ctm_inverse, double tolerance, cairo_antialias_t antialias) { cairo_status_t status; cairo_meta_surface_t *meta = abstract_surface; cairo_command_stroke_t *command; command = malloc (sizeof (cairo_command_stroke_t)); if (command == NULL) return _cairo_error (CAIRO_STATUS_NO_MEMORY); command->header.type = CAIRO_COMMAND_STROKE; command->header.region = CAIRO_META_REGION_ALL; command->op = op; status = _cairo_pattern_init_snapshot (&command->source.base, source); if (status) goto CLEANUP_COMMAND; status = _cairo_path_fixed_init_copy (&command->path, path); if (status) goto CLEANUP_SOURCE; status = _cairo_stroke_style_init_copy (&command->style, style); if (status) goto CLEANUP_PATH; command->ctm = *ctm; command->ctm_inverse = *ctm_inverse; command->tolerance = tolerance; command->antialias = antialias; status = _cairo_array_append (&meta->commands, &command); if (status) goto CLEANUP_STYLE; return CAIRO_STATUS_SUCCESS; CLEANUP_STYLE: _cairo_stroke_style_fini (&command->style); CLEANUP_PATH: _cairo_path_fixed_fini (&command->path); CLEANUP_SOURCE: _cairo_pattern_fini (&command->source.base); CLEANUP_COMMAND: free (command); return status; }
static cairo_status_t _cairo_default_context_new_path (void *abstract_cr) { cairo_default_context_t *cr = abstract_cr; _cairo_path_fixed_fini (cr->path); _cairo_path_fixed_init (cr->path); return CAIRO_STATUS_SUCCESS; }
cairo_status_t _cairo_surface_offset_fill (cairo_surface_t *surface, int x, int y, cairo_operator_t op, const cairo_pattern_t*source, const cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias, const cairo_clip_t *clip) { cairo_status_t status; cairo_path_fixed_t path_copy, *dev_path = (cairo_path_fixed_t *) path; cairo_clip_t *dev_clip = (cairo_clip_t *) clip; cairo_pattern_union_t source_copy; if (unlikely (surface->status)) return surface->status; if (_cairo_clip_is_all_clipped (clip)) return CAIRO_STATUS_SUCCESS; if (x | y) { cairo_matrix_t m; dev_clip = _cairo_clip_copy_with_translation (clip, -x, -y); status = _cairo_path_fixed_init_copy (&path_copy, dev_path); if (unlikely (status)) goto FINISH; _cairo_path_fixed_translate (&path_copy, _cairo_fixed_from_int (-x), _cairo_fixed_from_int (-y)); dev_path = &path_copy; cairo_matrix_init_translate (&m, x, y); _copy_transformed_pattern (&source_copy.base, source, &m); source = &source_copy.base; } status = _cairo_surface_fill (surface, op, source, dev_path, fill_rule, tolerance, antialias, dev_clip); FINISH: if (dev_path != path) _cairo_path_fixed_fini (dev_path); if (dev_clip != clip) _cairo_clip_destroy (dev_clip); return status; }
cairo_status_t _cairo_surface_wrapper_fill (cairo_surface_wrapper_t *wrapper, cairo_operator_t op, const cairo_pattern_t *source, const cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias, const cairo_clip_t *clip) { cairo_status_t status; cairo_path_fixed_t path_copy, *dev_path = (cairo_path_fixed_t *) path; cairo_pattern_union_t source_copy; cairo_clip_t *dev_clip; if (unlikely (wrapper->target->status)) return wrapper->target->status; dev_clip = _cairo_surface_wrapper_get_clip (wrapper, clip); if (_cairo_clip_is_all_clipped (dev_clip)) return CAIRO_INT_STATUS_NOTHING_TO_DO; if (wrapper->needs_transform) { cairo_matrix_t m; _cairo_surface_wrapper_get_transform (wrapper, &m); status = _cairo_path_fixed_init_copy (&path_copy, dev_path); if (unlikely (status)) goto FINISH; _cairo_path_fixed_transform (&path_copy, &m); dev_path = &path_copy; status = cairo_matrix_invert (&m); assert (status == CAIRO_STATUS_SUCCESS); _copy_transformed_pattern (&source_copy.base, source, &m); source = &source_copy.base; } status = _cairo_surface_fill (wrapper->target, op, source, dev_path, fill_rule, tolerance, antialias, dev_clip); FINISH: if (dev_path != path) _cairo_path_fixed_fini (dev_path); _cairo_clip_destroy (dev_clip); return status; }
cairo_status_t _cairo_clip_clip (cairo_clip_t *clip, cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias, cairo_surface_t *target) { cairo_status_t status; cairo_traps_t traps; cairo_path_fixed_t path_transformed; if (_cairo_surface_has_device_offset_or_scale (target)) { _cairo_path_fixed_init_copy (&path_transformed, path); _cairo_path_fixed_offset (&path_transformed, _cairo_fixed_from_double (target->device_x_offset), _cairo_fixed_from_double (target->device_y_offset)); path = &path_transformed; } status = _cairo_clip_intersect_path (clip, path, fill_rule, tolerance, antialias); if (status == CAIRO_STATUS_SUCCESS) clip->serial = _cairo_surface_allocate_clip_serial (target); if (status != CAIRO_INT_STATUS_UNSUPPORTED) return status; _cairo_traps_init (&traps); status = _cairo_path_fixed_fill_to_traps (path, fill_rule, tolerance, &traps); if (status) goto bail; status = _cairo_clip_intersect_region (clip, &traps, target); if (status != CAIRO_INT_STATUS_UNSUPPORTED) goto bail; status = _cairo_clip_intersect_mask (clip, &traps, antialias, target); bail: _cairo_traps_fini (&traps); if (path == &path_transformed) _cairo_path_fixed_fini (&path_transformed); return status; }
static void _cairo_clip_path_destroy (cairo_clip_path_t *clip_path) { if (clip_path == NULL) return; clip_path->ref_count--; if (clip_path->ref_count) return; _cairo_path_fixed_fini (&clip_path->path); _cairo_clip_path_destroy (clip_path->prev); free (clip_path); }
static void _cairo_clip_path_destroy (cairo_clip_path_t *clip_path) { if (clip_path == NULL) return; assert (CAIRO_REFERENCE_COUNT_HAS_REFERENCE (&clip_path->ref_count)); if (! _cairo_reference_count_dec_and_test (&clip_path->ref_count)) return; _cairo_path_fixed_fini (&clip_path->path); _cairo_clip_path_destroy (clip_path->prev); free (clip_path); }
static cairo_int_status_t _cairo_meta_surface_intersect_clip_path (void *dst, cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias) { cairo_meta_surface_t *meta = dst; cairo_command_intersect_clip_path_t *command; cairo_status_t status; command = malloc (sizeof (cairo_command_intersect_clip_path_t)); if (command == NULL) return _cairo_error (CAIRO_STATUS_NO_MEMORY); command->header.type = CAIRO_COMMAND_INTERSECT_CLIP_PATH; command->header.region = CAIRO_META_REGION_ALL; if (path) { status = _cairo_path_fixed_init_copy (&command->path, path); if (status) { free (command); return status; } command->path_pointer = &command->path; meta->is_clipped = TRUE; } else { command->path_pointer = NULL; meta->is_clipped = FALSE; } command->fill_rule = fill_rule; command->tolerance = tolerance; command->antialias = antialias; status = _cairo_array_append (&meta->commands, &command); if (status) { if (path) _cairo_path_fixed_fini (&command->path); free (command); return status; } return CAIRO_STATUS_SUCCESS; }
static void _cairo_clip_path_destroy (cairo_clip_path_t *clip_path) { assert (CAIRO_REFERENCE_COUNT_HAS_REFERENCE (&clip_path->ref_count)); if (! _cairo_reference_count_dec_and_test (&clip_path->ref_count)) return; _cairo_path_fixed_fini (&clip_path->path); if (clip_path->region != NULL) cairo_region_destroy (clip_path->region); if (clip_path->surface != NULL) cairo_surface_destroy (clip_path->surface); if (clip_path->prev != NULL) _cairo_clip_path_destroy (clip_path->prev); _freed_pool_put (&clip_path_pool, clip_path); }
void _cairo_default_context_fini (cairo_default_context_t *cr) { while (cr->gstate != &cr->gstate_tail[0]) { if (_cairo_gstate_restore (&cr->gstate, &cr->gstate_freelist)) break; } _cairo_gstate_fini (cr->gstate); cr->gstate_freelist = cr->gstate_freelist->next; /* skip over tail[1] */ while (cr->gstate_freelist != NULL) { cairo_gstate_t *gstate = cr->gstate_freelist; cr->gstate_freelist = gstate->next; free (gstate); } _cairo_path_fixed_fini (cr->path); _cairo_fini (&cr->base); }
static cairo_int_status_t _cairo_meta_surface_fill_path (cairo_operator_t operator, cairo_pattern_t *pattern, void *abstract_surface, cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance) { cairo_meta_surface_t *meta = abstract_surface; cairo_command_fill_path_t *command; cairo_status_t status; command = malloc (sizeof (cairo_command_fill_path_t)); if (command == NULL) return CAIRO_STATUS_NO_MEMORY; command->type = CAIRO_COMMAND_FILL_PATH; command->operator = operator; _cairo_pattern_init_copy (&command->pattern.base, pattern); status = _cairo_path_fixed_init_copy (&command->path, path); if (status) { _cairo_pattern_fini (&command->pattern.base); free (command); return CAIRO_STATUS_NO_MEMORY; } command->fill_rule = fill_rule; command->tolerance = tolerance; if (_cairo_array_append (&meta->commands, &command, 1) == NULL) { _cairo_path_fixed_fini (&command->path); _cairo_pattern_fini (&command->pattern.base); free (command); return CAIRO_STATUS_NO_MEMORY; } return CAIRO_STATUS_SUCCESS; }
cairo_int_status_t i965_surface_glyphs (void *abstract_surface, cairo_operator_t op, const cairo_pattern_t *source, cairo_glyph_t *g, int num_glyphs, cairo_scaled_font_t *scaled_font, cairo_clip_t *clip, int *num_remaining) { i965_surface_t *surface = abstract_surface; i965_surface_t *mask = NULL; i965_device_t *device; i965_glyphs_t glyphs; cairo_composite_rectangles_t extents; cairo_clip_t local_clip; cairo_bool_t have_clip = FALSE; cairo_bool_t overlap; cairo_region_t *clip_region = NULL; intel_bo_t *last_bo = NULL; cairo_scaled_glyph_t *glyph_cache[64]; cairo_status_t status; int mask_x = 0, mask_y = 0; int i = 0; *num_remaining = 0; status = _cairo_composite_rectangles_init_for_glyphs (&extents, surface->intel.drm.width, surface->intel.drm.height, op, source, scaled_font, g, num_glyphs, clip, &overlap); if (unlikely (status)) return status; if (clip != NULL && _cairo_clip_contains_rectangle (clip, &extents.mask)) clip = NULL; if (clip != NULL && extents.is_bounded) { clip = _cairo_clip_init_copy (&local_clip, clip); status = _cairo_clip_rectangle (clip, &extents.bounded); if (unlikely (status)) return status; have_clip = TRUE; } if (overlap || ! extents.is_bounded) { cairo_format_t format; format = CAIRO_FORMAT_A8; if (scaled_font->options.antialias == CAIRO_ANTIALIAS_SUBPIXEL) format = CAIRO_FORMAT_ARGB32; mask = (i965_surface_t *) i965_surface_create_internal (&i965_device (surface)->intel.base, format, extents.bounded.width, extents.bounded.height, I965_TILING_DEFAULT, TRUE); if (unlikely (mask->intel.drm.base.status)) return mask->intel.drm.base.status; status = _cairo_surface_paint (&mask->intel.drm.base, CAIRO_OPERATOR_CLEAR, &_cairo_pattern_clear.base, NULL); if (unlikely (status)) { cairo_surface_destroy (&mask->intel.drm.base); return status; } i965_shader_init (&glyphs.shader, mask, CAIRO_OPERATOR_ADD); status = i965_shader_acquire_pattern (&glyphs.shader, &glyphs.shader.source, &_cairo_pattern_white.base, &extents.bounded); if (unlikely (status)) { cairo_surface_destroy (&mask->intel.drm.base); return status; } mask_x = -extents.bounded.x; mask_y = -extents.bounded.y; } else { i965_shader_init (&glyphs.shader, surface, op); status = i965_shader_acquire_pattern (&glyphs.shader, &glyphs.shader.source, source, &extents.bounded); if (unlikely (status)) return status; if (clip != NULL) { status = _cairo_clip_get_region (clip, &clip_region); assert (status == CAIRO_STATUS_SUCCESS || status == CAIRO_INT_STATUS_UNSUPPORTED); if (status == CAIRO_INT_STATUS_UNSUPPORTED) i965_shader_set_clip (&glyphs.shader, clip); } } glyphs.head.next = NULL; glyphs.head.bo = NULL; glyphs.head.count = 0; glyphs.tail = &glyphs.head; device = i965_device (surface); if (mask != NULL || clip_region == NULL) { glyphs.get_rectangle = i965_glyphs_emit_rectangle; } else { glyphs.get_rectangle = i965_glyphs_accumulate_rectangle; glyphs.head.bo = intel_bo_create (&device->intel, I965_VERTEX_SIZE, I965_VERTEX_SIZE, FALSE, I915_TILING_NONE, 0); if (unlikely (glyphs.head.bo == NULL)) return _cairo_error (CAIRO_STATUS_NO_MEMORY); glyphs.vbo_base = intel_bo_map (&device->intel, glyphs.head.bo); } glyphs.vbo_offset = 0; status = cairo_device_acquire (&device->intel.base.base); if (unlikely (status)) goto CLEANUP_GLYPHS; _cairo_scaled_font_freeze_cache (scaled_font); //private = _cairo_scaled_font_get_device (scaled_font, device); if (scaled_font->surface_private == NULL) { scaled_font->surface_private = device; scaled_font->surface_backend = surface->intel.drm.base.backend; cairo_list_add (&scaled_font->link, &device->intel.fonts); } memset (glyph_cache, 0, sizeof (glyph_cache)); for (i = 0; i < num_glyphs; i++) { cairo_scaled_glyph_t *scaled_glyph; int x, y, x1, x2, y1, y2; int cache_index = g[i].index % ARRAY_LENGTH (glyph_cache); intel_glyph_t *glyph; scaled_glyph = glyph_cache[cache_index]; if (scaled_glyph == NULL || _cairo_scaled_glyph_index (scaled_glyph) != g[i].index) { status = _cairo_scaled_glyph_lookup (scaled_font, g[i].index, CAIRO_SCALED_GLYPH_INFO_METRICS, &scaled_glyph); if (unlikely (status)) goto FINISH; glyph_cache[cache_index] = scaled_glyph; } if (unlikely (scaled_glyph->metrics.width == 0 || scaled_glyph->metrics.height == 0)) { continue; } /* XXX glyph images are snapped to pixel locations */ x = _cairo_lround (g[i].x); y = _cairo_lround (g[i].y); x1 = x + _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.x); y1 = y + _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.y); x2 = x + _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.x); y2 = y + _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.y); if (x2 < extents.bounded.x || y2 < extents.bounded.y || x1 > extents.bounded.x + extents.bounded.width || y1 > extents.bounded.y + extents.bounded.height) { continue; } if (scaled_glyph->surface_private == NULL) { status = intel_get_glyph (&device->intel, scaled_font, scaled_glyph); if (unlikely (status == CAIRO_INT_STATUS_NOTHING_TO_DO)) { status = CAIRO_STATUS_SUCCESS; continue; } if (unlikely (status)) goto FINISH; } glyph = intel_glyph_pin (scaled_glyph->surface_private); if (glyph->cache->buffer.bo != last_bo) { intel_buffer_cache_t *cache = glyph->cache; glyphs.shader.mask.type.vertex = VS_GLYPHS; glyphs.shader.mask.type.fragment = FS_GLYPHS; glyphs.shader.mask.type.pattern = PATTERN_BASE; glyphs.shader.mask.base.bo = cache->buffer.bo; glyphs.shader.mask.base.format = cache->buffer.format; glyphs.shader.mask.base.width = cache->buffer.width; glyphs.shader.mask.base.height = cache->buffer.height; glyphs.shader.mask.base.stride = cache->buffer.stride; glyphs.shader.mask.base.filter = i965_filter (CAIRO_FILTER_NEAREST); glyphs.shader.mask.base.extend = i965_extend (CAIRO_EXTEND_NONE); glyphs.shader.mask.base.content = CAIRO_CONTENT_ALPHA; /* XXX */ glyphs.shader.committed = FALSE; status = i965_shader_commit (&glyphs.shader, device); if (unlikely (status)) goto FINISH; last_bo = cache->buffer.bo; } x2 = x1 + glyph->width; y2 = y1 + glyph->height; if (mask_x) x1 += mask_x, x2 += mask_x; if (mask_y) y1 += mask_y, y2 += mask_y; i965_add_glyph_rectangle (&glyphs, x1, y1, x2, y2, glyph); } if (mask != NULL && clip_region != NULL) i965_clipped_vertices (device, &glyphs.head, clip_region); status = CAIRO_STATUS_SUCCESS; FINISH: _cairo_scaled_font_thaw_cache (scaled_font); cairo_device_release (surface->intel.drm.base.device); CLEANUP_GLYPHS: i965_shader_fini (&glyphs.shader); if (glyphs.head.bo != NULL) { struct i965_vbo *vbo, *next; intel_bo_destroy (&device->intel, glyphs.head.bo); for (vbo = glyphs.head.next; vbo != NULL; vbo = next) { next = vbo->next; intel_bo_destroy (&device->intel, vbo->bo); free (vbo); } } if (unlikely (status == CAIRO_INT_STATUS_UNSUPPORTED)) { cairo_path_fixed_t path; _cairo_path_fixed_init (&path); status = _cairo_scaled_font_glyph_path (scaled_font, g + i, num_glyphs - i, &path); if (mask_x | mask_y) { _cairo_path_fixed_translate (&path, _cairo_fixed_from_int (mask_x), _cairo_fixed_from_int (mask_y)); } if (likely (status == CAIRO_STATUS_SUCCESS)) { status = surface->intel.drm.base.backend->fill (glyphs.shader.target, glyphs.shader.op, mask != NULL ? &_cairo_pattern_white.base : source, &path, CAIRO_FILL_RULE_WINDING, 0, scaled_font->options.antialias, clip); } _cairo_path_fixed_fini (&path); } if (mask != NULL) { if (likely (status == CAIRO_STATUS_SUCCESS)) { status = i965_surface_mask_internal (surface, op, source, mask, clip, &extents); } cairo_surface_finish (&mask->intel.drm.base); cairo_surface_destroy (&mask->intel.drm.base); } if (have_clip) _cairo_clip_fini (&local_clip); return status; }
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); }
void _cairo_path_fixed_destroy (cairo_path_fixed_t *path) { _cairo_path_fixed_fini (path); free (path); }
cairo_status_t _cairo_surface_wrapper_fill (cairo_surface_wrapper_t *wrapper, cairo_operator_t op, const cairo_pattern_t *source, cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias, cairo_clip_t *clip) { cairo_status_t status; cairo_path_fixed_t path_copy, *dev_path = path; cairo_clip_t clip_copy, *dev_clip = clip; cairo_pattern_union_t source_copy; cairo_clip_t target_clip; if (unlikely (wrapper->target->status)) return wrapper->target->status; if (wrapper->has_extents) { _cairo_clip_init_copy (&target_clip, clip); status = _cairo_clip_rectangle (&target_clip, &wrapper->extents); if (unlikely (status)) goto FINISH; dev_clip = clip = &target_clip; } if (clip && clip->all_clipped) { status = CAIRO_STATUS_SUCCESS; goto FINISH; } if (_cairo_surface_wrapper_needs_device_transform (wrapper) || _cairo_surface_wrapper_needs_extents_transform (wrapper)) { cairo_matrix_t m; cairo_matrix_init_identity (&m); if (_cairo_surface_wrapper_needs_extents_transform (wrapper)) cairo_matrix_translate (&m, -wrapper->extents.x, -wrapper->extents.y); if (_cairo_surface_wrapper_needs_device_transform (wrapper)) cairo_matrix_multiply (&m, &wrapper->target->device_transform, &m); status = _cairo_path_fixed_init_copy (&path_copy, dev_path); if (unlikely (status)) goto FINISH; _cairo_path_fixed_transform (&path_copy, &m); dev_path = &path_copy; if (clip != NULL) { status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m); if (unlikely (status)) goto FINISH; dev_clip = &clip_copy; } status = cairo_matrix_invert (&m); assert (status == CAIRO_STATUS_SUCCESS); _copy_transformed_pattern (&source_copy.base, source, &m); source = &source_copy.base; } else { if (clip != NULL) { dev_clip = &clip_copy; _cairo_clip_init_copy (&clip_copy, clip); } } status = _cairo_surface_fill (wrapper->target, op, source, dev_path, fill_rule, tolerance, antialias, dev_clip); FINISH: if (dev_path != path) _cairo_path_fixed_fini (dev_path); if (wrapper->has_extents) _cairo_clip_reset (&target_clip); if (dev_clip != clip) _cairo_clip_reset (dev_clip); return status; }
cairo_status_t _cairo_surface_offset_stroke (cairo_surface_t *surface, int x, int y, cairo_operator_t op, const cairo_pattern_t *source, cairo_path_fixed_t *path, const cairo_stroke_style_t*stroke_style, const cairo_matrix_t *ctm, const cairo_matrix_t *ctm_inverse, double tolerance, cairo_antialias_t antialias, cairo_clip_t *clip) { cairo_path_fixed_t path_copy, *dev_path = path; cairo_clip_t clip_copy, *dev_clip = clip; cairo_matrix_t dev_ctm = *ctm; cairo_matrix_t dev_ctm_inverse = *ctm_inverse; cairo_pattern_union_t source_copy; cairo_status_t status; if (unlikely (surface->status)) return surface->status; if (clip && clip->all_clipped) return CAIRO_STATUS_SUCCESS; if (x | y) { cairo_matrix_t m; status = _cairo_path_fixed_init_copy (&path_copy, dev_path); if (unlikely (status)) goto FINISH; _cairo_path_fixed_translate (&path_copy, _cairo_fixed_from_int (-x), _cairo_fixed_from_int (-y)); dev_path = &path_copy; cairo_matrix_init_translate (&m, -x, -y); cairo_matrix_multiply (&dev_ctm, &dev_ctm, &m); if (clip != NULL) { status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m); if (unlikely (status)) goto FINISH; dev_clip = &clip_copy; } cairo_matrix_init_translate (&m, x, y); _copy_transformed_pattern (&source_copy.base, source, &m); source = &source_copy.base; cairo_matrix_multiply (&dev_ctm_inverse, &m, &dev_ctm_inverse); } status = _cairo_surface_stroke (surface, op, source, dev_path, stroke_style, &dev_ctm, &dev_ctm_inverse, tolerance, antialias, dev_clip); FINISH: if (dev_path != path) _cairo_path_fixed_fini (dev_path); if (dev_clip != clip) _cairo_clip_reset (dev_clip); return status; }
cairo_surface_t * _cairo_clip_get_surface (const cairo_clip_t *clip, cairo_surface_t *target, int *tx, int *ty) { cairo_surface_t *surface; cairo_status_t status; cairo_clip_t *copy, *region; cairo_clip_path_t *copy_path, *clip_path; if (clip->num_boxes) { cairo_path_fixed_t path; int i; surface = _cairo_surface_create_scratch (target, CAIRO_CONTENT_ALPHA, clip->extents.width, clip->extents.height, CAIRO_COLOR_TRANSPARENT); if (unlikely (surface->status)) return surface; _cairo_path_fixed_init (&path); status = CAIRO_STATUS_SUCCESS; for (i = 0; status == CAIRO_STATUS_SUCCESS && i < clip->num_boxes; i++) { status = _cairo_path_fixed_add_box (&path, &clip->boxes[i], -_cairo_fixed_from_int (clip->extents.x), -_cairo_fixed_from_int (clip->extents.y)); } if (status == CAIRO_STATUS_SUCCESS) status = _cairo_surface_fill (surface, CAIRO_OPERATOR_ADD, &_cairo_pattern_white.base, &path, CAIRO_FILL_RULE_WINDING, 1., CAIRO_ANTIALIAS_DEFAULT, NULL); _cairo_path_fixed_fini (&path); if (unlikely (status)) { cairo_surface_destroy (surface); return _cairo_surface_create_in_error (status); } } else { surface = _cairo_surface_create_scratch (target, CAIRO_CONTENT_ALPHA, clip->extents.width, clip->extents.height, CAIRO_COLOR_WHITE); if (unlikely (surface->status)) return surface; } copy = _cairo_clip_copy_with_translation (clip, -clip->extents.x, -clip->extents.y); copy_path = copy->path; copy->path = NULL; region = copy; if (! _cairo_clip_is_region (copy)) region = _cairo_clip_copy_region (copy); status = CAIRO_STATUS_SUCCESS; clip_path = copy_path; while (status == CAIRO_STATUS_SUCCESS && clip_path) { status = _cairo_surface_fill (surface, CAIRO_OPERATOR_IN, &_cairo_pattern_white.base, &clip_path->path, clip_path->fill_rule, clip_path->tolerance, clip_path->antialias, region); clip_path = clip_path->prev; } copy->path = copy_path; _cairo_clip_destroy (copy); if (region != copy) _cairo_clip_destroy (region); if (unlikely (status)) { cairo_surface_destroy (surface); return _cairo_surface_create_in_error (status); } *tx = clip->extents.x; *ty = clip->extents.y; return surface; }
cairo_status_t _cairo_path_fixed_init_copy (cairo_path_fixed_t *path, const cairo_path_fixed_t *other) { cairo_path_buf_t *buf, *other_buf; unsigned int num_points, num_ops; VG (VALGRIND_MAKE_MEM_UNDEFINED (path, sizeof (cairo_path_fixed_t))); cairo_list_init (&path->buf.base.link); path->buf.base.op = path->buf.op; path->buf.base.points = path->buf.points; path->buf.base.size_ops = ARRAY_LENGTH (path->buf.op); path->buf.base.size_points = ARRAY_LENGTH (path->buf.points); path->current_point = other->current_point; path->last_move_point = other->last_move_point; path->has_last_move_point = other->has_last_move_point; path->has_current_point = other->has_current_point; path->has_curve_to = other->has_curve_to; path->is_rectilinear = other->is_rectilinear; path->maybe_fill_region = other->maybe_fill_region; path->is_empty_fill = other->is_empty_fill; path->extents = other->extents; path->buf.base.num_ops = other->buf.base.num_ops; path->buf.base.num_points = other->buf.base.num_points; memcpy (path->buf.op, other->buf.base.op, other->buf.base.num_ops * sizeof (other->buf.op[0])); memcpy (path->buf.points, other->buf.points, other->buf.base.num_points * sizeof (other->buf.points[0])); num_points = num_ops = 0; for (other_buf = cairo_path_buf_next (cairo_path_head (other)); other_buf != cairo_path_head (other); other_buf = cairo_path_buf_next (other_buf)) { num_ops += other_buf->num_ops; num_points += other_buf->num_points; } if (num_ops) { buf = _cairo_path_buf_create (num_ops, num_points); if (unlikely (buf == NULL)) { _cairo_path_fixed_fini (path); return _cairo_error (CAIRO_STATUS_NO_MEMORY); } for (other_buf = cairo_path_buf_next (cairo_path_head (other)); other_buf != cairo_path_head (other); other_buf = cairo_path_buf_next (other_buf)) { memcpy (buf->op + buf->num_ops, other_buf->op, other_buf->num_ops * sizeof (buf->op[0])); buf->num_ops += other_buf->num_ops; memcpy (buf->points + buf->num_points, other_buf->points, other_buf->num_points * sizeof (buf->points[0])); buf->num_points += other_buf->num_points; } _cairo_path_fixed_add_buf (path, buf); } return CAIRO_STATUS_SUCCESS; }
static cairo_status_t _cairo_meta_surface_finish (void *abstract_surface) { cairo_meta_surface_t *meta = abstract_surface; cairo_command_t *command; cairo_command_t **elements; int i, num_elements; if (meta->commands_owner) { cairo_surface_destroy (meta->commands_owner); return CAIRO_STATUS_SUCCESS; } num_elements = meta->commands.num_elements; elements = _cairo_array_index (&meta->commands, 0); for (i = 0; i < num_elements; i++) { command = elements[i]; switch (command->header.type) { /* 5 basic drawing operations */ case CAIRO_COMMAND_PAINT: _cairo_pattern_fini (&command->paint.source.base); free (command); break; case CAIRO_COMMAND_MASK: _cairo_pattern_fini (&command->mask.source.base); _cairo_pattern_fini (&command->mask.mask.base); free (command); break; case CAIRO_COMMAND_STROKE: _cairo_pattern_fini (&command->stroke.source.base); _cairo_path_fixed_fini (&command->stroke.path); _cairo_stroke_style_fini (&command->stroke.style); free (command); break; case CAIRO_COMMAND_FILL: _cairo_pattern_fini (&command->fill.source.base); _cairo_path_fixed_fini (&command->fill.path); free (command); break; case CAIRO_COMMAND_SHOW_TEXT_GLYPHS: _cairo_pattern_fini (&command->show_text_glyphs.source.base); free (command->show_text_glyphs.utf8); free (command->show_text_glyphs.glyphs); free (command->show_text_glyphs.clusters); cairo_scaled_font_destroy (command->show_text_glyphs.scaled_font); free (command); break; /* Other junk. */ case CAIRO_COMMAND_INTERSECT_CLIP_PATH: if (command->intersect_clip_path.path_pointer) _cairo_path_fixed_fini (&command->intersect_clip_path.path); free (command); break; default: ASSERT_NOT_REACHED; } } _cairo_array_fini (&meta->commands); return CAIRO_STATUS_SUCCESS; }
cairo_status_t _cairo_surface_wrapper_fill_stroke (cairo_surface_wrapper_t *wrapper, cairo_operator_t fill_op, const cairo_pattern_t *fill_source, cairo_fill_rule_t fill_rule, double fill_tolerance, cairo_antialias_t fill_antialias, cairo_path_fixed_t *path, cairo_operator_t stroke_op, const cairo_pattern_t *stroke_source, cairo_stroke_style_t *stroke_style, cairo_matrix_t *stroke_ctm, cairo_matrix_t *stroke_ctm_inverse, double stroke_tolerance, cairo_antialias_t stroke_antialias, cairo_clip_t *clip) { cairo_status_t status; cairo_matrix_t device_transform; cairo_path_fixed_t path_copy, *dev_path = path; cairo_clip_t clip_copy, *dev_clip = clip; cairo_matrix_t dev_ctm = *stroke_ctm; cairo_matrix_t dev_ctm_inverse = *stroke_ctm_inverse; if (unlikely (wrapper->target->status)) return wrapper->target->status; if (clip && clip->all_clipped) return CAIRO_STATUS_SUCCESS; if (_cairo_surface_wrapper_needs_device_transform (wrapper, &device_transform)) { status = _cairo_path_fixed_init_copy (&path_copy, dev_path); if (unlikely (status)) goto FINISH; _cairo_path_fixed_transform (&path_copy, &device_transform); dev_path = &path_copy; if (clip != NULL) { status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &device_transform); if (unlikely (status)) goto FINISH; dev_clip = &clip_copy; } cairo_matrix_multiply (&dev_ctm, &dev_ctm, &device_transform); status = cairo_matrix_invert (&device_transform); assert (status == CAIRO_STATUS_SUCCESS); cairo_matrix_multiply (&dev_ctm_inverse, &device_transform, &dev_ctm_inverse); } else { if (clip != NULL) { dev_clip = &clip_copy; _cairo_clip_init_copy (&clip_copy, clip); } } status = _cairo_surface_fill_stroke (wrapper->target, fill_op, fill_source, fill_rule, fill_tolerance, fill_antialias, dev_path, stroke_op, stroke_source, stroke_style, &dev_ctm, &dev_ctm_inverse, stroke_tolerance, stroke_antialias, dev_clip); FINISH: if (dev_path != path) _cairo_path_fixed_fini (dev_path); if (dev_clip != clip) _cairo_clip_reset (dev_clip); return status; }