Learning_GTK4_tree/gsk/gskroundedrectprivate.h

76 lines
4.0 KiB
C

#pragma once
#include "gskroundedrect.h"
#include <cairo.h>
G_BEGIN_DECLS
#define OPPOSITE_CORNER(corner) ((corner) ^ 2)
G_STATIC_ASSERT (OPPOSITE_CORNER (GSK_CORNER_TOP_LEFT) == GSK_CORNER_BOTTOM_RIGHT);
G_STATIC_ASSERT (OPPOSITE_CORNER (GSK_CORNER_TOP_RIGHT) == GSK_CORNER_BOTTOM_LEFT);
G_STATIC_ASSERT (OPPOSITE_CORNER (GSK_CORNER_BOTTOM_LEFT) == GSK_CORNER_TOP_RIGHT);
G_STATIC_ASSERT (OPPOSITE_CORNER (GSK_CORNER_BOTTOM_RIGHT) == GSK_CORNER_TOP_LEFT);
#define OPPOSITE_CORNER_X(corner) ((corner) ^ 1)
G_STATIC_ASSERT (OPPOSITE_CORNER_X (GSK_CORNER_TOP_LEFT) == GSK_CORNER_TOP_RIGHT);
G_STATIC_ASSERT (OPPOSITE_CORNER_X (GSK_CORNER_TOP_RIGHT) == GSK_CORNER_TOP_LEFT);
G_STATIC_ASSERT (OPPOSITE_CORNER_X (GSK_CORNER_BOTTOM_LEFT) == GSK_CORNER_BOTTOM_RIGHT);
G_STATIC_ASSERT (OPPOSITE_CORNER_X (GSK_CORNER_BOTTOM_RIGHT) == GSK_CORNER_BOTTOM_LEFT);
#define OPPOSITE_CORNER_Y(corner) ((corner) ^ 3)
G_STATIC_ASSERT (OPPOSITE_CORNER_Y (GSK_CORNER_TOP_LEFT) == GSK_CORNER_BOTTOM_LEFT);
G_STATIC_ASSERT (OPPOSITE_CORNER_Y (GSK_CORNER_TOP_RIGHT) == GSK_CORNER_BOTTOM_RIGHT);
G_STATIC_ASSERT (OPPOSITE_CORNER_Y (GSK_CORNER_BOTTOM_LEFT) == GSK_CORNER_TOP_LEFT);
G_STATIC_ASSERT (OPPOSITE_CORNER_Y (GSK_CORNER_BOTTOM_RIGHT) == GSK_CORNER_TOP_RIGHT);
#define GSK_ROUNDED_RECT_INIT_FROM_RECT(_r) \
(GskRoundedRect) { .bounds = _r, \
.corner = { \
GRAPHENE_SIZE_INIT(0, 0),\
GRAPHENE_SIZE_INIT(0, 0),\
GRAPHENE_SIZE_INIT(0, 0),\
GRAPHENE_SIZE_INIT(0, 0),\
}}
void gsk_rounded_rect_scale_affine (GskRoundedRect *dest,
const GskRoundedRect *src,
float scale_x,
float scale_y,
float dx,
float dy);
gboolean gsk_rounded_rect_is_circular (const GskRoundedRect *self) G_GNUC_PURE;
void gsk_rounded_rect_path (const GskRoundedRect *self,
cairo_t *cr);
void gsk_rounded_rect_to_float (const GskRoundedRect *self,
const graphene_point_t *offset,
float rect[12]);
gboolean gsk_rounded_rect_equal (gconstpointer rect1,
gconstpointer rect2) G_GNUC_PURE;
char * gsk_rounded_rect_to_string (const GskRoundedRect *self) G_GNUC_MALLOC;
void gsk_rounded_rect_get_largest_cover (const GskRoundedRect *self,
const graphene_rect_t *rect,
graphene_rect_t *result);
typedef enum {
GSK_INTERSECTION_EMPTY,
GSK_INTERSECTION_NONEMPTY,
GSK_INTERSECTION_NOT_REPRESENTABLE
} GskRoundedRectIntersection;
GskRoundedRectIntersection gsk_rounded_rect_intersect_with_rect (const GskRoundedRect *self,
const graphene_rect_t *rect,
GskRoundedRect *result) G_GNUC_PURE;
GskRoundedRectIntersection gsk_rounded_rect_intersection (const GskRoundedRect *a,
const GskRoundedRect *b,
GskRoundedRect *result);
G_END_DECLS