static cairo_int_status_t base_compositor_stroke (const cairo_compositor_t *_compositor, cairo_composite_rectangles_t *extents, const 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) { composite_traps_info_t info; cairo_int_status_t status; info.antialias = antialias; _cairo_traps_init_with_clip (&info.traps, extents->clip); status = _cairo_path_fixed_stroke_to_traps (path, style, ctm, ctm_inverse, tolerance, &info.traps); if (likely (status == CAIRO_INT_STATUS_SUCCESS)) status = trim_extents_to_traps (extents, &info.traps); if (likely (status == CAIRO_INT_STATUS_SUCCESS)) status = clip_and_composite (extents, composite_traps, &info); _cairo_traps_fini (&info.traps); return status; }
cairo_status_t _cairo_path_fixed_stroke_extents (const cairo_path_fixed_t *path, cairo_stroke_style_t *stroke_style, const cairo_matrix_t *ctm, const cairo_matrix_t *ctm_inverse, double tolerance, cairo_rectangle_int_t *extents) { cairo_traps_t traps; cairo_box_t bbox; cairo_status_t status; _cairo_traps_init (&traps); status = _cairo_path_fixed_stroke_to_traps (path, stroke_style, ctm, ctm_inverse, tolerance, &traps); _cairo_traps_extents (&traps, &bbox); _cairo_traps_fini (&traps); _cairo_box_round_to_rectangle (&bbox, extents); return status; }
cairo_status_t _cairo_surface_fallback_stroke (cairo_surface_t *surface, cairo_operator_t op, cairo_pattern_t *source, cairo_path_fixed_t *path, cairo_stroke_style_t *stroke_style, cairo_matrix_t *ctm, cairo_matrix_t *ctm_inverse, double tolerance, cairo_antialias_t antialias) { cairo_status_t status; cairo_traps_t traps; _cairo_traps_init (&traps); status = _cairo_path_fixed_stroke_to_traps (path, stroke_style, ctm, ctm_inverse, tolerance, &traps); if (status) { _cairo_traps_fini (&traps); return status; } _clip_and_composite_trapezoids (source, op, surface, &traps, surface->clip, antialias); _cairo_traps_fini (&traps); return CAIRO_STATUS_SUCCESS; }
static cairo_int_status_t _cairo_gl_msaa_compositor_stroke (const cairo_compositor_t *compositor, cairo_composite_rectangles_t *composite, const 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_int_status_t status; cairo_gl_surface_t *dst = (cairo_gl_surface_t *) composite->surface; struct _tristrip_composite_info info; cairo_bool_t use_color_attribute; if (! can_use_msaa_compositor (dst, antialias)) return CAIRO_INT_STATUS_UNSUPPORTED; if (composite->is_bounded == FALSE) { cairo_surface_t* surface = _prepare_unbounded_surface (dst); if (unlikely (surface == NULL)) return CAIRO_INT_STATUS_UNSUPPORTED; status = _cairo_compositor_stroke (compositor, surface, CAIRO_OPERATOR_SOURCE, &composite->source_pattern.base, path, style, ctm, ctm_inverse, tolerance, antialias, NULL); if (unlikely (status)) { cairo_surface_destroy (surface); return status; } return _paint_back_unbounded_surface (compositor, composite, surface); } status = _cairo_gl_composite_init (&info.setup, composite->op, dst, FALSE /* assume_component_alpha */); if (unlikely (status)) return status; info.ctx = NULL; use_color_attribute = _cairo_path_fixed_stroke_is_rectilinear (path) || _cairo_gl_hairline_style_is_hairline (style, ctm); status = _cairo_gl_composite_set_source (&info.setup, composite->original_source_pattern, &composite->source_sample_area, &composite->bounded, use_color_attribute); if (unlikely (status)) goto finish; _cairo_gl_msaa_compositor_set_clip (composite, &info.setup); status = _cairo_gl_composite_begin_multisample (&info.setup, &info.ctx, antialias != CAIRO_ANTIALIAS_NONE); if (unlikely (status)) goto finish; if (_cairo_gl_hairline_style_is_hairline (style, ctm)) { cairo_gl_hairline_closure_t closure; if (! (_is_continuous_arc (path, style) || _is_continuous_single_line (path, style))) { status = _prevent_overlapping_drawing (info.ctx, &info.setup, composite, path, style, ctm); if (unlikely (status)) goto finish; } closure.ctx = info.ctx; closure.tolerance = tolerance; status = _cairo_gl_path_fixed_stroke_to_hairline (path, &closure, style, ctm, ctm_inverse, _cairo_gl_hairline_move_to, style->dash ? _cairo_gl_hairline_line_to_dashed : _cairo_gl_hairline_line_to, _cairo_gl_hairline_curve_to, _cairo_gl_hairline_close_path); goto finish; } if (use_color_attribute) { cairo_traps_t traps; _cairo_traps_init (&traps); status = _cairo_path_fixed_stroke_to_traps (path, style, ctm, ctm_inverse, tolerance, &traps); if (unlikely (status)) { _cairo_traps_fini (&traps); goto finish; } status = _draw_traps (info.ctx, &info.setup, &traps); _cairo_traps_fini (&traps); } else { if (!_is_continuous_single_line (path, style)) { status = _prevent_overlapping_drawing (info.ctx, &info.setup, composite, path, style, ctm); if (unlikely (status)) goto finish; } status = _cairo_path_fixed_stroke_to_shaper ((cairo_path_fixed_t *) path, style, ctm, ctm_inverse, tolerance, _stroke_shaper_add_triangle, _stroke_shaper_add_triangle_fan, _stroke_shaper_add_quad, &info); if (unlikely (status)) goto finish; } finish: _cairo_gl_composite_fini (&info.setup); if (info.ctx) status = _cairo_gl_context_release (info.ctx, status); return status; }
cairo_status_t _cairo_surface_fallback_stroke (cairo_surface_t *surface, cairo_operator_t op, cairo_pattern_t *source, cairo_path_fixed_t *path, cairo_stroke_style_t *stroke_style, cairo_matrix_t *ctm, cairo_matrix_t *ctm_inverse, double tolerance, cairo_antialias_t antialias) { cairo_status_t status; cairo_traps_t traps; cairo_box_t box; cairo_rectangle_int_t extents; status = _cairo_surface_get_extents (surface, &extents); if (status) return status; if (_cairo_operator_bounded_by_source (op)) { cairo_rectangle_int_t source_extents; status = _cairo_pattern_get_extents (source, &source_extents); if (status) return status; _cairo_rectangle_intersect (&extents, &source_extents); } status = _cairo_clip_intersect_to_rectangle (surface->clip, &extents); if (status) return status; box.p1.x = _cairo_fixed_from_int (extents.x); box.p1.y = _cairo_fixed_from_int (extents.y); box.p2.x = _cairo_fixed_from_int (extents.x + extents.width); box.p2.y = _cairo_fixed_from_int (extents.y + extents.height); _cairo_traps_init (&traps); _cairo_traps_limit (&traps, &box); status = _cairo_path_fixed_stroke_to_traps (path, stroke_style, ctm, ctm_inverse, tolerance, &traps); if (status) { _cairo_traps_fini (&traps); return status; } status = _clip_and_composite_trapezoids (source, op, surface, &traps, surface->clip, antialias); _cairo_traps_fini (&traps); return status; }
cairo_int_status_t _cairo_recording_surface_get_path (cairo_surface_t *surface, cairo_path_fixed_t *path) { cairo_recording_surface_t *recording_surface; cairo_command_t **elements; int i, num_elements; cairo_int_status_t status; if (surface->status) return surface->status; 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]; switch (command->header.type) { case CAIRO_COMMAND_PAINT: case CAIRO_COMMAND_MASK: status = CAIRO_INT_STATUS_UNSUPPORTED; break; case CAIRO_COMMAND_STROKE: { cairo_traps_t traps; _cairo_traps_init (&traps); /* XXX call cairo_stroke_to_path() when that is implemented */ status = _cairo_path_fixed_stroke_to_traps (&command->stroke.path, &command->stroke.style, &command->stroke.ctm, &command->stroke.ctm_inverse, command->stroke.tolerance, &traps); if (status == CAIRO_STATUS_SUCCESS) status = _cairo_traps_path (&traps, path); _cairo_traps_fini (&traps); break; } case CAIRO_COMMAND_FILL: { status = _cairo_path_fixed_append (path, &command->fill.path, CAIRO_DIRECTION_FORWARD, 0, 0); break; } case CAIRO_COMMAND_SHOW_TEXT_GLYPHS: { status = _cairo_scaled_font_glyph_path (command->show_text_glyphs.scaled_font, command->show_text_glyphs.glyphs, command->show_text_glyphs.num_glyphs, path); break; } default: ASSERT_NOT_REACHED; } if (unlikely (status)) break; } return _cairo_surface_set_error (surface, status); }
cairo_status_t _cairo_surface_fallback_stroke (cairo_surface_t *surface, cairo_operator_t op, const cairo_pattern_t *source, cairo_path_fixed_t *path, cairo_stroke_style_t *stroke_style, cairo_matrix_t *ctm, cairo_matrix_t *ctm_inverse, double tolerance, cairo_antialias_t antialias) { cairo_status_t status; cairo_traps_t traps; cairo_box_t box; cairo_rectangle_int_t extents; status = _cairo_surface_get_extents (surface, &extents); if (unlikely (status)) return status; if (_cairo_operator_bounded_by_source (op)) { cairo_rectangle_int_t source_extents; status = _cairo_pattern_get_extents (source, &source_extents); if (unlikely (status)) return status; if (! _cairo_rectangle_intersect (&extents, &source_extents)) return CAIRO_STATUS_SUCCESS; } status = _cairo_clip_intersect_to_rectangle (surface->clip, &extents); if (unlikely (status)) return status; if (extents.width == 0 || extents.height == 0) return CAIRO_STATUS_SUCCESS; _cairo_box_from_rectangle (&box, &extents); _cairo_traps_init (&traps); _cairo_traps_limit (&traps, &box); status = _cairo_path_fixed_stroke_to_traps (path, stroke_style, ctm, ctm_inverse, tolerance, &traps); if (unlikely (status)) goto FAIL; status = _clip_and_composite_trapezoids (source, op, surface, &traps, surface->clip, antialias); FAIL: _cairo_traps_fini (&traps); return status; }
static cairo_int_status_t _cairo_analysis_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_analysis_surface_t *surface = abstract_surface; cairo_status_t status, backend_status; cairo_traps_t traps; cairo_rectangle_int_t extents; if (!surface->target->backend->stroke) backend_status = CAIRO_INT_STATUS_UNSUPPORTED; else backend_status = (*surface->target->backend->stroke) (surface->target, op, source, path, style, ctm, ctm_inverse, tolerance, antialias); if (backend_status == CAIRO_INT_STATUS_ANALYZE_META_SURFACE_PATTERN) backend_status = _analyze_meta_surface_pattern (surface, source); status = _cairo_surface_get_extents (&surface->base, &extents); if (status && status != CAIRO_INT_STATUS_UNSUPPORTED) return status; if (_cairo_operator_bounded_by_source (op)) { cairo_rectangle_int_t source_extents; status = _cairo_pattern_get_extents (source, &source_extents); if (status) return status; _cairo_rectangle_intersect (&extents, &source_extents); } _cairo_rectangle_intersect (&extents, &surface->current_clip); if (_cairo_operator_bounded_by_mask (op)) { cairo_box_t box; _cairo_box_from_rectangle (&box, &extents); _cairo_traps_init (&traps); _cairo_traps_limit (&traps, &box); status = _cairo_path_fixed_stroke_to_traps (path, style, ctm, ctm_inverse, tolerance, &traps); if (status) { _cairo_traps_fini (&traps); return status; } _cairo_traps_extents (&traps, &box); _cairo_traps_fini (&traps); _cairo_box_round_to_rectangle (&box, &extents); } status = _add_operation (surface, &extents, backend_status); return status; }