diff options
Diffstat (limited to 'src/cairoint.h')
| -rw-r--r-- | src/cairoint.h | 325 |
1 files changed, 125 insertions, 200 deletions
diff --git a/src/cairoint.h b/src/cairoint.h index cb30f6dee..5782f0711 100644 --- a/src/cairoint.h +++ b/src/cairoint.h @@ -125,7 +125,7 @@ _cairo_win32_tmpfile (void); #define STRINGIFY(macro_or_string) STRINGIFY_ARG (macro_or_string) #define STRINGIFY_ARG(contents) #contents -#ifdef __GNUC__ +#if defined (__GNUC__) #define cairo_container_of(ptr, type, member) ({ \ const __typeof__ (((type *) 0)->member) *mptr__ = (ptr); \ (type *) ((char *) mptr__ - offsetof (type, member)); \ @@ -252,6 +252,15 @@ cairo_private void _cairo_box_round_to_rectangle (const cairo_box_t *box, cairo_rectangle_int_t *rectangle); +static inline void +_cairo_unbounded_rectangle_init (cairo_rectangle_int_t *rect) +{ + rect->x = CAIRO_RECT_INT_MIN; + rect->y = CAIRO_RECT_INT_MIN; + rect->width = CAIRO_RECT_INT_MAX - CAIRO_RECT_INT_MIN; + rect->height = CAIRO_RECT_INT_MAX - CAIRO_RECT_INT_MIN; +} + cairo_private cairo_bool_t _cairo_rectangle_intersect (cairo_rectangle_int_t *dst, const cairo_rectangle_int_t *src); @@ -489,6 +498,7 @@ struct _cairo_scaled_font_backend { unsigned int height, cairo_glyph_t *glyphs, int num_glyphs, + cairo_region_t *clip_region, int *remaining_glyphs); cairo_warn cairo_int_status_t @@ -615,6 +625,7 @@ struct _cairo_surface_backend { int *clone_offset_y, cairo_surface_t **clone_out); + /* XXX remove to a separate cairo_surface_compositor_t */ /* XXX: dst should be the first argument for consistency */ cairo_warn cairo_int_status_t (*composite) (cairo_operator_t op, @@ -628,7 +639,8 @@ struct _cairo_surface_backend { int dst_x, int dst_y, unsigned int width, - unsigned int height); + unsigned int height, + cairo_region_t *clip_region); cairo_warn cairo_int_status_t (*fill_rectangles) (void *surface, @@ -650,14 +662,16 @@ struct _cairo_surface_backend { unsigned int width, unsigned int height, cairo_trapezoid_t *traps, - int num_traps); + int num_traps, + cairo_region_t *region); cairo_warn cairo_span_renderer_t * (*create_span_renderer) (cairo_operator_t op, const cairo_pattern_t *pattern, void *dst, cairo_antialias_t antialias, - const cairo_composite_rectangles_t *rects); + const cairo_composite_rectangles_t *rects, + cairo_region_t *clip_region); cairo_warn cairo_bool_t (*check_span_renderer) (cairo_operator_t op, @@ -672,59 +686,15 @@ struct _cairo_surface_backend { cairo_warn cairo_int_status_t (*show_page) (void *surface); - /* Set given region as the clip region for the surface, replacing - * any previously set clip region. Passing in a NULL region will - * clear the surface clip region. - * - * The surface is expected to store the clip region and clip all - * following drawing operations against it until the clip region - * is cleared of replaced by another clip region. - * - * Cairo will call this function whenever a clip path can be - * represented as a device pixel aligned set of rectangles. When - * this is not possible, cairo will use mask surfaces for - * clipping. - */ - cairo_warn cairo_int_status_t - (*set_clip_region) (void *surface, - cairo_region_t *region); - - /* Intersect the given path against the clip path currently set in - * the surface, using the given fill_rule and tolerance, and set - * the result as the new clipping path for the surface. Passing - * in a NULL path will clear the surface clipping path. - * - * The surface is expected to store the resulting clip path and - * clip all following drawing operations against it until the clip - * path cleared or intersected with a new path. - * - * If a surface implements this function, set_clip_region() will - * never be called and should not be implemented. If this - * function is not implemented cairo will use set_clip_region() - * (if available) and mask surfaces for clipping. - */ - cairo_warn cairo_int_status_t - (*intersect_clip_path) (void *dst, - cairo_path_fixed_t *path, - cairo_fill_rule_t fill_rule, - double tolerance, - cairo_antialias_t antialias); - /* Get the extents of the current surface. For many surface types * this will be as simple as { x=0, y=0, width=surface->width, * height=surface->height}. * - * This function need not take account of any clipping from - * set_clip_region since the generic version of set_clip_region - * saves those, and the generic get_clip_extents will only call - * into the specific surface->get_extents if there is no current - * clip. - * * If this function is not implemented, or if it returns - * %CAIRO_INT_STATUS_UNSUPPORTED, the surface is considered to be - * boundless and inifnite bounds are used for it. + * FALSE the surface is considered to be + * boundless and infinite bounds are used for it. */ - cairo_warn cairo_int_status_t + cairo_warn cairo_bool_t (*get_extents) (void *surface, cairo_rectangle_int_t *extents); @@ -745,7 +715,8 @@ struct _cairo_surface_backend { unsigned int width, unsigned int height, cairo_glyph_t *glyphs, - int num_glyphs); + int num_glyphs, + cairo_region_t *clip_region); void (*get_font_options) (void *surface, @@ -775,14 +746,14 @@ struct _cairo_surface_backend { (*paint) (void *surface, cairo_operator_t op, const cairo_pattern_t *source, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_warn cairo_int_status_t (*mask) (void *surface, cairo_operator_t op, const cairo_pattern_t *source, const cairo_pattern_t *mask, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_warn cairo_int_status_t (*stroke) (void *surface, @@ -794,7 +765,7 @@ struct _cairo_surface_backend { cairo_matrix_t *ctm_inverse, double tolerance, cairo_antialias_t antialias, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_warn cairo_int_status_t (*fill) (void *surface, @@ -804,7 +775,7 @@ struct _cairo_surface_backend { cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_warn cairo_int_status_t (*show_glyphs) (void *surface, @@ -813,8 +784,8 @@ struct _cairo_surface_backend { cairo_glyph_t *glyphs, int num_glyphs, cairo_scaled_font_t *scaled_font, - int *remaining_glyphs, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip, + int *remaining_glyphs); cairo_surface_t * (*snapshot) (void *surface); @@ -824,9 +795,6 @@ struct _cairo_surface_backend { void *surface_b, cairo_content_t content); - cairo_warn cairo_status_t - (*reset) (void *surface); - cairo_warn cairo_int_status_t (*fill_stroke) (void *surface, cairo_operator_t fill_op, @@ -842,7 +810,7 @@ struct _cairo_surface_backend { cairo_matrix_t *stroke_ctm_inverse, double stroke_tolerance, cairo_antialias_t stroke_antialias, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_surface_t * (*create_solid_pattern_surface) @@ -869,7 +837,7 @@ struct _cairo_surface_backend { int num_clusters, cairo_text_cluster_flags_t cluster_flags, cairo_scaled_font_t *scaled_font, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); }; #include "cairo-surface-private.h" @@ -887,9 +855,9 @@ struct _cairo_image_surface { int depth; pixman_image_t *pixman_image; + cairo_region_t *clip_region; unsigned owns_data : 1; - unsigned has_clip : 1; unsigned transparency : 2; }; @@ -983,6 +951,8 @@ typedef struct _cairo_traps { cairo_box_t extents; + unsigned int maybe_region : 1; /* hint: 0 implies that it cannot be */ + int num_traps; int traps_size; cairo_trapezoid_t *traps; @@ -1245,12 +1215,16 @@ _cairo_gstate_in_stroke (cairo_gstate_t *gstate, double y, cairo_bool_t *inside_ret); -cairo_private void +cairo_private cairo_bool_t _cairo_gstate_in_fill (cairo_gstate_t *gstate, cairo_path_fixed_t *path, double x, - double y, - cairo_bool_t *inside_ret); + double y); + +cairo_private cairo_bool_t +_cairo_gstate_in_clip (cairo_gstate_t *gstate, + double x, + double y); cairo_private cairo_status_t _cairo_gstate_clip (cairo_gstate_t *gstate, cairo_path_fixed_t *path); @@ -1258,12 +1232,12 @@ _cairo_gstate_clip (cairo_gstate_t *gstate, cairo_path_fixed_t *path); cairo_private cairo_status_t _cairo_gstate_reset_clip (cairo_gstate_t *gstate); -cairo_private cairo_status_t +cairo_private cairo_bool_t _cairo_gstate_clip_extents (cairo_gstate_t *gstate, double *x1, double *y1, - double *x2, - double *y2); + double *x2, + double *y2); cairo_private cairo_rectangle_list_t* _cairo_gstate_copy_clip_rectangle_list (cairo_gstate_t *gstate); @@ -1480,19 +1454,19 @@ cairo_private void _cairo_intern_string_reset_static_data (void); /* cairo-path-fixed.c */ +cairo_private cairo_path_fixed_t * +_cairo_path_fixed_create (void); + cairo_private void _cairo_path_fixed_init (cairo_path_fixed_t *path); cairo_private cairo_status_t _cairo_path_fixed_init_copy (cairo_path_fixed_t *path, - cairo_path_fixed_t *other); + const cairo_path_fixed_t *other); cairo_private cairo_bool_t -_cairo_path_fixed_is_equal (cairo_path_fixed_t *path, - cairo_path_fixed_t *other); - -cairo_private cairo_path_fixed_t * -_cairo_path_fixed_create (void); +_cairo_path_fixed_is_equal (const cairo_path_fixed_t *path, + const cairo_path_fixed_t *other); cairo_private void _cairo_path_fixed_fini (cairo_path_fixed_t *path); @@ -1578,64 +1552,69 @@ _cairo_path_fixed_interpret_flat (const cairo_path_fixed_t *path, void *closure, double tolerance); -cairo_private cairo_status_t -_cairo_path_fixed_append (cairo_path_fixed_t *path, - const cairo_path_fixed_t *other, - cairo_direction_t dir); - cairo_private void -_cairo_path_fixed_approximate_clip_extents (cairo_path_fixed_t *path, +_cairo_path_fixed_approximate_clip_extents (const cairo_path_fixed_t *path, cairo_rectangle_int_t *extents); cairo_private void -_cairo_path_fixed_approximate_fill_extents (cairo_path_fixed_t *path, +_cairo_path_fixed_approximate_fill_extents (const cairo_path_fixed_t *path, cairo_rectangle_int_t *extents); cairo_private void -_cairo_path_fixed_approximate_stroke_extents (cairo_path_fixed_t *path, +_cairo_path_fixed_fill_extents (const cairo_path_fixed_t *path, + cairo_fill_rule_t fill_rule, + double tolerance, + cairo_rectangle_int_t *extents); + +cairo_private void +_cairo_path_fixed_approximate_stroke_extents (const cairo_path_fixed_t *path, cairo_stroke_style_t *style, const cairo_matrix_t *ctm, cairo_rectangle_int_t *extents); +cairo_private cairo_status_t +_cairo_path_fixed_stroke_extents (const cairo_path_fixed_t *path, + cairo_stroke_style_t *style, + const cairo_matrix_t *ctm, + const cairo_matrix_t *ctm_inverse, + double tolerance, + cairo_rectangle_int_t *extents); + cairo_private void -_cairo_path_fixed_bounds (cairo_path_fixed_t *path, +_cairo_path_fixed_bounds (const cairo_path_fixed_t *path, double *x1, double *y1, double *x2, double *y2); cairo_private void _cairo_path_fixed_transform (cairo_path_fixed_t *path, - cairo_matrix_t *matrix); - -cairo_private cairo_bool_t -_cairo_path_fixed_is_empty (cairo_path_fixed_t *path); + const cairo_matrix_t *matrix); cairo_private cairo_bool_t -_cairo_path_fixed_is_box (cairo_path_fixed_t *path, +_cairo_path_fixed_is_box (const cairo_path_fixed_t *path, cairo_box_t *box); cairo_private cairo_bool_t -_cairo_path_fixed_is_rectangle (cairo_path_fixed_t *path, +_cairo_path_fixed_is_rectangle (const cairo_path_fixed_t *path, cairo_box_t *box); /* cairo-path-in-fill.c */ -cairo_private void -_cairo_path_fixed_in_fill (cairo_path_fixed_t *path, +cairo_private cairo_bool_t +_cairo_path_fixed_in_fill (const cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, double x, - double y, - cairo_bool_t *is_inside); + double y); /* cairo-path-fill.c */ cairo_private cairo_status_t -_cairo_path_fixed_fill_to_traps (cairo_path_fixed_t *path, +_cairo_path_fixed_fill_to_traps (const cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_traps_t *traps); /* cairo-path-stroke.c */ cairo_private cairo_status_t -_cairo_path_fixed_stroke_to_traps (cairo_path_fixed_t *path, +_cairo_path_fixed_stroke_to_traps (const cairo_path_fixed_t *path, cairo_stroke_style_t *stroke_style, const cairo_matrix_t *ctm, const cairo_matrix_t *ctm_inverse, @@ -1707,7 +1686,8 @@ _cairo_scaled_font_show_glyphs (cairo_scaled_font_t *scaled_font, unsigned int width, unsigned int height, cairo_glyph_t *glyphs, - int num_glyphs); + int num_glyphs, + cairo_region_t *clip_region); cairo_private cairo_status_t _cairo_scaled_font_glyph_path (cairo_scaled_font_t *scaled_font, @@ -1789,11 +1769,12 @@ _cairo_surface_create_similar_scratch (cairo_surface_t *other, int height); cairo_private cairo_surface_t * -_cairo_surface_create_similar_solid (cairo_surface_t *other, - cairo_content_t content, - int width, - int height, - const cairo_color_t *color); +_cairo_surface_create_similar_solid (cairo_surface_t *other, + cairo_content_t content, + int width, + int height, + const cairo_color_t *color, + cairo_bool_t allow_fallback); cairo_private cairo_surface_t * _cairo_surface_create_solid_pattern_surface (cairo_surface_t *other, @@ -1813,22 +1794,20 @@ cairo_private void _cairo_surface_set_font_options (cairo_surface_t *surface, cairo_font_options_t *options); -cairo_private cairo_clip_mode_t -_cairo_surface_get_clip_mode (cairo_surface_t *surface); - cairo_private cairo_status_t _cairo_surface_composite (cairo_operator_t op, const cairo_pattern_t *src, const cairo_pattern_t *mask, cairo_surface_t *dst, - int src_x, - int src_y, - int mask_x, - int mask_y, - int dst_x, - int dst_y, - unsigned int width, - unsigned int height); + int src_x, + int src_y, + int mask_x, + int mask_y, + int dst_x, + int dst_y, + unsigned int width, + unsigned int height, + cairo_region_t *clip_region); cairo_private cairo_status_t _cairo_surface_fill_rectangle (cairo_surface_t *surface, @@ -1856,14 +1835,14 @@ cairo_private cairo_status_t _cairo_surface_paint (cairo_surface_t *surface, cairo_operator_t op, const cairo_pattern_t *source, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_private cairo_status_t _cairo_surface_mask (cairo_surface_t *surface, cairo_operator_t op, const cairo_pattern_t *source, const cairo_pattern_t *mask, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_private cairo_status_t _cairo_surface_fill_stroke (cairo_surface_t *surface, @@ -1880,7 +1859,7 @@ _cairo_surface_fill_stroke (cairo_surface_t *surface, cairo_matrix_t *stroke_ctm_inverse, double stroke_tolerance, cairo_antialias_t stroke_antialias, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_private cairo_status_t _cairo_surface_stroke (cairo_surface_t *surface, @@ -1892,7 +1871,7 @@ _cairo_surface_stroke (cairo_surface_t *surface, cairo_matrix_t *ctm_inverse, double tolerance, cairo_antialias_t antialias, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_private cairo_status_t _cairo_surface_fill (cairo_surface_t *surface, @@ -1902,7 +1881,7 @@ _cairo_surface_fill (cairo_surface_t *surface, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_private cairo_status_t _cairo_surface_show_text_glyphs (cairo_surface_t *surface, @@ -1916,7 +1895,7 @@ _cairo_surface_show_text_glyphs (cairo_surface_t *surface, int num_clusters, cairo_text_cluster_flags_t cluster_flags, cairo_scaled_font_t *scaled_font, - cairo_rectangle_int_t *extents); + cairo_clip_t *clip); cairo_private cairo_status_t _cairo_surface_composite_trapezoids (cairo_operator_t op, @@ -1930,23 +1909,23 @@ _cairo_surface_composite_trapezoids (cairo_operator_t op, unsigned int width, unsigned int height, cairo_trapezoid_t *traps, - int ntraps); + int ntraps, + cairo_region_t *clip_region); cairo_private cairo_span_renderer_t * -_cairo_surface_create_span_renderer ( - cairo_operator_t op, - const cairo_pattern_t *pattern, - cairo_surface_t *dst, - cairo_antialias_t antialias, - const cairo_composite_rectangles_t *rects); +_cairo_surface_create_span_renderer (cairo_operator_t op, + const cairo_pattern_t *pattern, + cairo_surface_t *dst, + cairo_antialias_t antialias, + const cairo_composite_rectangles_t *rects, + cairo_region_t *clip_region); cairo_private cairo_bool_t -_cairo_surface_check_span_renderer ( - cairo_operator_t op, - const cairo_pattern_t *pattern, - cairo_surface_t *dst, - cairo_antialias_t antialias, - const cairo_composite_rectangles_t *rects); +_cairo_surface_check_span_renderer (cairo_operator_t op, + const cairo_pattern_t *pattern, + cairo_surface_t *dst, + cairo_antialias_t antialias, + const cairo_composite_rectangles_t *rects); cairo_private cairo_status_t _cairo_surface_acquire_source_image (cairo_surface_t *surface, @@ -2005,37 +1984,7 @@ _cairo_surface_is_similar (cairo_surface_t *surface_a, cairo_surface_t *surface_b, cairo_content_t content); -cairo_private cairo_status_t -_cairo_surface_reset (cairo_surface_t *surface); - -cairo_private unsigned int -_cairo_surface_get_current_clip_serial (cairo_surface_t *surface); - -cairo_private unsigned int -_cairo_surface_allocate_clip_serial (cairo_surface_t *surface); - -cairo_private cairo_status_t -_cairo_surface_reset_clip (cairo_surface_t *surface); - -cairo_private cairo_status_t -_cairo_surface_set_clip_region (cairo_surface_t *surface, - cairo_region_t *region, - unsigned int serial); - -cairo_private cairo_int_status_t -_cairo_surface_intersect_clip_path (cairo_surface_t *surface, - cairo_path_fixed_t *path, - cairo_fill_rule_t fill_rule, - double tolerance, - cairo_antialias_t antialias); - -cairo_private cairo_clip_t * -_cairo_surface_get_clip (cairo_surface_t *surface); - -cairo_private cairo_status_t -_cairo_surface_set_clip (cairo_surface_t *surface, cairo_clip_t *clip); - -cairo_private cairo_int_status_t +cairo_private cairo_bool_t _cairo_surface_get_extents (cairo_surface_t *surface, cairo_rectangle_int_t *extents); @@ -2051,7 +2000,8 @@ _cairo_surface_old_show_glyphs (cairo_scaled_font_t *scaled_font, unsigned int width, unsigned int height, cairo_glyph_t *glyphs, - int num_glyphs); + int num_glyphs, + cairo_region_t *clip_region); cairo_private cairo_status_t _cairo_surface_composite_fixup_unbounded (cairo_surface_t *dst, @@ -2068,7 +2018,8 @@ _cairo_surface_composite_fixup_unbounded (cairo_surface_t *dst, int dst_x, int dst_y, unsigned int width, - unsigned int height); + unsigned int height, + cairo_region_t *clip_region); cairo_private cairo_status_t _cairo_surface_composite_shape_fixup_unbounded (cairo_surface_t *dst, @@ -2084,7 +2035,8 @@ _cairo_surface_composite_shape_fixup_unbounded (cairo_surface_t *dst, int dst_x, int dst_y, unsigned int width, - unsigned int height); + unsigned int height, + cairo_region_t *clip_region); cairo_private cairo_bool_t _cairo_surface_is_opaque (const cairo_surface_t *surface); @@ -2193,19 +2145,6 @@ _cairo_image_surface_create_for_data_with_content (unsigned char *data, cairo_private void _cairo_image_surface_assume_ownership_of_data (cairo_image_surface_t *surface); -/* XXX: It's a nasty kludge that this appears here. Backend functions - * like this should really be static. But we're doing this to work - * around some general defects in the backend clipping interfaces, - * (see some notes in test-paginated-surface.c). - * - * I want to fix the real defects, but it's "hard" as they touch many - * backends, so doing that will require synchronizing several backend - * maintainers. - */ -cairo_private cairo_int_status_t -_cairo_image_surface_set_clip_region (void *abstract_surface, - cairo_region_t *region); - cairo_private cairo_image_surface_t * _cairo_image_surface_coerce (cairo_image_surface_t *surface, cairo_format_t format); @@ -2439,8 +2378,8 @@ _cairo_traps_extents (const cairo_traps_t *traps, cairo_box_t *extents); cairo_private cairo_int_status_t -_cairo_traps_extract_region (const cairo_traps_t *tr, - cairo_region_t **region); +_cairo_traps_extract_region (cairo_traps_t *traps, + cairo_region_t **region); cairo_private cairo_status_t _cairo_traps_path (const cairo_traps_t *traps, @@ -2560,7 +2499,7 @@ _cairo_pattern_acquire_surfaces (const cairo_pattern_t *src, cairo_surface_attributes_t *src_attributes, cairo_surface_attributes_t *mask_attributes); -cairo_private cairo_status_t +cairo_private void _cairo_pattern_get_extents (const cairo_pattern_t *pattern, cairo_rectangle_int_t *extents); @@ -2577,23 +2516,8 @@ _cairo_pattern_equal (const cairo_pattern_t *a, cairo_private void _cairo_pattern_reset_static_data (void); -/* cairo-region.c */ - -struct _cairo_region { - cairo_status_t status; - - pixman_region32_t rgn; -}; - -cairo_private void -_cairo_region_init (cairo_region_t *region); - -cairo_private void -_cairo_region_init_rectangle (cairo_region_t *region, - const cairo_rectangle_int_t *rectangle); - cairo_private void -_cairo_region_fini (cairo_region_t *region); +_cairo_clip_reset_static_data (void); /* cairo-unicode.c */ @@ -2725,7 +2649,6 @@ slim_hidden_proto (cairo_status); slim_hidden_proto (cairo_stroke); slim_hidden_proto (cairo_stroke_preserve); slim_hidden_proto (cairo_surface_copy_page); -slim_hidden_proto (cairo_surface_create_similar); slim_hidden_proto (cairo_surface_destroy); slim_hidden_proto (cairo_surface_finish); slim_hidden_proto (cairo_surface_flush); @@ -2760,7 +2683,9 @@ slim_hidden_proto (cairo_region_create); slim_hidden_proto (cairo_region_create_rectangle); slim_hidden_proto (cairo_region_create_rectangles); slim_hidden_proto (cairo_region_copy); +slim_hidden_proto (cairo_region_reference); slim_hidden_proto (cairo_region_destroy); +slim_hidden_proto (cairo_region_equal); slim_hidden_proto (cairo_region_status); slim_hidden_proto (cairo_region_get_extents); slim_hidden_proto (cairo_region_num_rectangles); |