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-rw-r--r--src/cairoint.h178
1 files changed, 103 insertions, 75 deletions
diff --git a/src/cairoint.h b/src/cairoint.h
index 90d59b2cb..1b21228d7 100644
--- a/src/cairoint.h
+++ b/src/cairoint.h
@@ -147,6 +147,8 @@ typedef cairo_fixed_16_16_t cairo_fixed_t;
#define CAIRO_MAXSHORT SHRT_MAX
#define CAIRO_MINSHORT SHRT_MIN
+#define CAIRO_ALPHA_IS_OPAQUE(alpha) ((alpha) >= ((double)0xff00 / (double)0xffff))
+
typedef struct _cairo_point {
cairo_fixed_t x;
cairo_fixed_t y;
@@ -191,8 +193,6 @@ typedef enum cairo_int_status {
CAIRO_INT_STATUS_UNSUPPORTED
} cairo_int_status_t;
-#define CAIRO_OK(status) ((status) == CAIRO_STATUS_SUCCESS)
-
typedef enum cairo_direction {
CAIRO_DIRECTION_FORWARD,
CAIRO_DIRECTION_REVERSE
@@ -289,7 +289,7 @@ cairo_private void
_cairo_user_data_array_init (cairo_user_data_array_t *array);
cairo_private void
-_cairo_user_data_array_destroy (cairo_user_data_array_t *array);
+_cairo_user_data_array_fini (cairo_user_data_array_t *array);
cairo_private void *
_cairo_user_data_array_get_data (cairo_user_data_array_t *array,
@@ -356,7 +356,6 @@ typedef struct {
#undef CAIRO_MEASURE_CACHE_PERFORMANCE
typedef struct {
- unsigned long refcount;
const cairo_cache_backend_t *backend;
const cairo_cache_arrangement_t *arrangement;
cairo_cache_entry_base_t **entries;
@@ -568,7 +567,6 @@ typedef struct _cairo_surface_backend {
cairo_surface_t *
(*create_similar) (void *surface,
cairo_format_t format,
- int drawable,
int width,
int height);
@@ -646,10 +644,43 @@ typedef struct _cairo_surface_backend {
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_int_status_t
(*set_clip_region) (void *surface,
pixman_region16_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_int_status_t
+ (*intersect_clip_path) (void *dst,
+ cairo_path_fixed_t *path,
+ cairo_fill_rule_t fill_rule,
+ double tolerance);
+
/* 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}.
@@ -687,7 +718,9 @@ typedef struct _cairo_surface_backend {
(*fill_path) (cairo_operator_t operator,
cairo_pattern_t *pattern,
void *dst,
- cairo_path_fixed_t *path);
+ cairo_path_fixed_t *path,
+ cairo_fill_rule_t fill_rule,
+ double tolerance);
} cairo_surface_backend_t;
@@ -699,7 +732,11 @@ typedef struct _cairo_format_masks {
unsigned long blue_mask;
} cairo_format_masks_t;
-typedef struct _cairo_surface_save cairo_surface_save_t;
+typedef enum _cairo_clip_mode {
+ CAIRO_CLIP_MODE_PATH,
+ CAIRO_CLIP_MODE_REGION,
+ CAIRO_CLIP_MODE_MASK
+} cairo_clip_mode_t;
struct _cairo_surface {
const cairo_surface_backend_t *backend;
@@ -708,17 +745,24 @@ struct _cairo_surface {
cairo_bool_t finished;
cairo_user_data_array_t user_data;
- cairo_matrix_t matrix;
- cairo_filter_t filter;
- int repeat;
-
double device_x_offset;
double device_y_offset;
- cairo_surface_save_t *saves; /* Stack of saved states from cairo_surface_begin/end() */
- int level; /* Number saved states */
-
- pixman_region16_t *clip_region;
+ /*
+ * Each time a clip region is modified, it gets the next value in this
+ * sequence. This means that clip regions for this surface are uniquely
+ * identified andupdates to the clip can be readily identified
+ */
+ unsigned int next_clip_serial;
+ /*
+ * The serial number of the current clip. This is set when
+ * the surface clipping is set. The gstate can then cheaply
+ * check whether the surface clipping is already correct before
+ * performing a rendering operation.
+ *
+ * The special value '0' is reserved for the unclipped case.
+ */
+ unsigned int current_clip_serial;
};
struct _cairo_image_surface {
@@ -779,6 +823,7 @@ typedef struct _cairo_color_stop {
struct _cairo_pattern {
cairo_pattern_type_t type;
unsigned int ref_count;
+ cairo_status_t status;
cairo_matrix_t matrix;
cairo_filter_t filter;
cairo_extend_t extend;
@@ -840,7 +885,6 @@ typedef struct _cairo_surface_attributes {
int x_offset;
int y_offset;
cairo_bool_t acquired;
- cairo_bool_t clip_saved;
void *extra;
} cairo_surface_attributes_t;
@@ -854,19 +898,23 @@ typedef struct _cairo_traps {
#define CAIRO_FONT_SLANT_DEFAULT CAIRO_FONT_SLANT_NORMAL
#define CAIRO_FONT_WEIGHT_DEFAULT CAIRO_FONT_WEIGHT_NORMAL
+#define CAIRO_WIN32_FONT_FAMILY_DEFAULT "Arial"
+#define CAIRO_ATSUI_FONT_FAMILY_DEFAULT "Monaco"
+#define CAIRO_FT_FONT_FAMILY_DEFAULT ""
+
#if CAIRO_HAS_WIN32_FONT
-#define CAIRO_FONT_FAMILY_DEFAULT "Arial"
+#define CAIRO_FONT_FAMILY_DEFAULT CAIRO_WIN32_FONT_FAMILY_DEFAULT
#define CAIRO_FONT_BACKEND_DEFAULT &cairo_win32_scaled_font_backend
#elif CAIRO_HAS_ATSUI_FONT
-#define CAIRO_FONT_FAMILY_DEFAULT "Monaco"
+#define CAIRO_FONT_FAMILY_DEFAULT CAIRO_ATSUI_FONT_FAMILY_DEFAULT
#define CAIRO_FONT_BACKEND_DEFAULT &cairo_atsui_scaled_font_backend
#elif CAIRO_HAS_FT_FONT
-#define CAIRO_FONT_FAMILY_DEFAULT "serif"
+#define CAIRO_FONT_FAMILY_DEFAULT CAIRO_FT_FONT_FAMILY_DEFAULT
#define CAIRO_FONT_BACKEND_DEFAULT &cairo_ft_scaled_font_backend
#endif
@@ -880,13 +928,6 @@ typedef struct _cairo_traps {
#define CAIRO_GSTATE_MITER_LIMIT_DEFAULT 10.0
#define CAIRO_GSTATE_DEFAULT_FONT_SIZE 10.0
-/* Need a name distinct from the cairo_clip function */
-typedef struct _cairo_clip_rec {
- cairo_rectangle_t rect;
- pixman_region16_t *region;
- cairo_surface_t *surface;
-} cairo_clip_rec_t;
-
typedef struct _cairo_gstate cairo_gstate_t;
typedef struct _cairo_stroke_face {
@@ -930,16 +971,6 @@ _cairo_fixed_integer_ceil (cairo_fixed_t f);
cairo_private cairo_gstate_t *
_cairo_gstate_create (cairo_surface_t *target);
-cairo_private cairo_status_t
-_cairo_gstate_init (cairo_gstate_t *gstate,
- cairo_surface_t *target);
-
-cairo_private cairo_status_t
-_cairo_gstate_init_copy (cairo_gstate_t *gstate, cairo_gstate_t *other);
-
-cairo_private void
-_cairo_gstate_fini (cairo_gstate_t *gstate);
-
cairo_private void
_cairo_gstate_destroy (cairo_gstate_t *gstate);
@@ -947,9 +978,6 @@ cairo_private cairo_gstate_t *
_cairo_gstate_clone (cairo_gstate_t *gstate);
cairo_private cairo_status_t
-_cairo_gstate_copy (cairo_gstate_t *dest, cairo_gstate_t *src);
-
-cairo_private cairo_status_t
_cairo_gstate_begin_group (cairo_gstate_t *gstate);
cairo_private cairo_status_t
@@ -961,10 +989,6 @@ _cairo_gstate_get_target (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_source (cairo_gstate_t *gstate, cairo_pattern_t *source);
-cairo_status_t
-_cairo_gstate_set_source_solid (cairo_gstate_t *gstate,
- const cairo_color_t *color);
-
cairo_private cairo_pattern_t *
_cairo_gstate_get_source (cairo_gstate_t *gstate);
@@ -1378,11 +1402,10 @@ _cairo_path_fixed_stroke_to_traps (cairo_path_fixed_t *path,
cairo_gstate_t *gstate,
cairo_traps_t *traps);
-/* cairo_surface.c */
+/* cairo-surface.c */
cairo_private cairo_surface_t *
_cairo_surface_create_similar_scratch (cairo_surface_t *other,
cairo_format_t format,
- int drawable,
int width,
int height);
@@ -1397,14 +1420,8 @@ cairo_private void
_cairo_surface_init (cairo_surface_t *surface,
const cairo_surface_backend_t *backend);
-cairo_private cairo_status_t
-_cairo_surface_begin (cairo_surface_t *surface);
-
-cairo_private cairo_status_t
-_cairo_surface_begin_reset_clip (cairo_surface_t *surface);
-
-cairo_private cairo_status_t
-_cairo_surface_end (cairo_surface_t *surface);
+cairo_private cairo_clip_mode_t
+_cairo_surface_get_clip_mode (cairo_surface_t *surface);
cairo_private cairo_status_t
_cairo_surface_fill_rectangle (cairo_surface_t *surface,
@@ -1437,10 +1454,12 @@ _cairo_surface_fill_rectangles (cairo_surface_t *surface,
int num_rects);
cairo_private cairo_int_status_t
-_cairo_surface_fill_path (cairo_operator_t operator,
- cairo_pattern_t *pattern,
- cairo_surface_t *dst,
- cairo_path_fixed_t *path);
+_cairo_surface_fill_path (cairo_operator_t operator,
+ cairo_pattern_t *pattern,
+ cairo_surface_t *dst,
+ cairo_path_fixed_t *path,
+ cairo_fill_rule_t fill_rule,
+ double tolerance);
cairo_private cairo_status_t
_cairo_surface_composite_trapezoids (cairo_operator_t operator,
@@ -1490,13 +1509,30 @@ _cairo_surface_clone_similar (cairo_surface_t *surface,
cairo_surface_t *src,
cairo_surface_t **clone_out);
+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,
+ pixman_region16_t *region,
+ unsigned int serial);
+
+typedef struct _cairo_clip_path cairo_clip_path_t;
+
cairo_private cairo_status_t
-_cairo_surface_set_clip_region (cairo_surface_t *surface,
- pixman_region16_t *region);
+_cairo_surface_set_clip_path (cairo_surface_t *surface,
+ cairo_clip_path_t *clip_path,
+ unsigned int serial);
cairo_private cairo_status_t
-_cairo_surface_get_clip_extents (cairo_surface_t *surface,
- cairo_rectangle_t *rectangle);
+_cairo_surface_get_extents (cairo_surface_t *surface,
+ cairo_rectangle_t *rectangle);
cairo_private cairo_status_t
_cairo_surface_show_glyphs (cairo_scaled_font_t *scaled_font,
@@ -1524,18 +1560,6 @@ _cairo_image_surface_create_with_masks (unsigned char *data,
cairo_private void
_cairo_image_surface_assume_ownership_of_data (cairo_image_surface_t *surface);
-cairo_private cairo_status_t
-_cairo_image_surface_set_matrix (cairo_image_surface_t *surface,
- const cairo_matrix_t *matrix);
-
-cairo_private cairo_status_t
-_cairo_image_surface_set_filter (cairo_image_surface_t *surface,
- cairo_filter_t filter);
-
-cairo_private cairo_status_t
-_cairo_image_surface_set_repeat (cairo_image_surface_t *surface,
- int repeat);
-
cairo_private cairo_int_status_t
_cairo_image_surface_set_clip_region (cairo_image_surface_t *surface,
pixman_region16_t *region);
@@ -1689,8 +1713,9 @@ _cairo_slope_counter_clockwise (cairo_slope_t *a, cairo_slope_t *b);
/* cairo_pattern.c */
-cairo_private cairo_status_t
-_cairo_pattern_init_copy (cairo_pattern_t *pattern, cairo_pattern_t *other);
+cairo_private void
+_cairo_pattern_init_copy (cairo_pattern_t *pattern,
+ const cairo_pattern_t *other);
cairo_private void
_cairo_pattern_init_solid (cairo_solid_pattern_t *pattern,
@@ -1715,6 +1740,9 @@ _cairo_pattern_fini (cairo_pattern_t *pattern);
cairo_private cairo_pattern_t *
_cairo_pattern_create_solid (const cairo_color_t *color);
+cairo_pattern_t *
+_cairo_pattern_create_in_error (cairo_status_t status);
+
cairo_private void
_cairo_pattern_transform (cairo_pattern_t *pattern,
const cairo_matrix_t *ctm_inverse);
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 11:41:42 +0000