efl/legacy/ecore/src/lib/ecore_x/xcb/ecore_xcb_region.c

170 lines
4.0 KiB
C

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* ifdef HAVE_CONFIG_H */
#include <pixman.h>
#include "ecore_xcb_private.h"
/*
* [x] XCreateRegion
* [ ] XPolygonRegion
* [x] XSetRegion
* [x] XDestroyRegion
*
* [x] XOffsetRegion
* [ ] XShrinkRegion
*
* [ ] XClipBox
* [x] XIntersectRegion
* [x] XUnionRegion
* [x] XUnionRectWithRegion
* [x] XSubtractRegion
* [ ] XXorRegion
*
* [x] XEmptyRegion
* [x] XEqualRegion
*
* [x] XPointInRegion
* [x] XRectInRegion
*/
EAPI Ecore_X_XRegion *
ecore_x_xregion_new()
{
pixman_region16_t *region;
region = (pixman_region16_t *)malloc (sizeof (pixman_region16_t));
if (!region)
return NULL;
pixman_region_init(region);
return (Ecore_X_XRegion *)region;
} /* ecore_x_xregion_new */
EAPI void
ecore_x_xregion_free(Ecore_X_XRegion *region)
{
if (!region)
return;
pixman_region_fini(region);
free(region);
} /* ecore_x_xregion_free */
EAPI int
ecore_x_xregion_set(Ecore_X_XRegion *region, Ecore_X_GC gc)
{
xcb_rectangle_t *rects;
pixman_box16_t *boxes;
int num;
int i;
if (!region)
return 0;
boxes = pixman_region_rectangles ((pixman_region16_t *)region, &num);
if (!boxes || (num == 0))
return 0;
rects = (xcb_rectangle_t *)malloc(sizeof(xcb_rectangle_t) * num);
if (!rects)
return 0;
for (i = 0; i < num; i++)
{
rects[i].x = boxes[i].x1;
rects[i].y = boxes[i].y1;
rects[i].width = boxes[i].x2 - boxes[i].x1 + 1;
rects[i].height = boxes[i].y2 - boxes[i].y1 + 1;
}
xcb_set_clip_rectangles(_ecore_xcb_conn,
XCB_CLIP_ORDERING_YX_BANDED,
gc,
0, 0,
num,
rects);
return 1;
} /* ecore_x_xregion_set */
EAPI void
ecore_x_xregion_translate(Ecore_X_XRegion *region, int x, int y)
{
if (!region)
return;
pixman_region_translate((pixman_region16_t *)region, x, y);
} /* ecore_x_xregion_translate */
EAPI int
ecore_x_xregion_intersect(Ecore_X_XRegion *dst, Ecore_X_XRegion *r1, Ecore_X_XRegion *r2)
{
return pixman_region_intersect((pixman_region16_t *)dst, (pixman_region16_t *)r1, (pixman_region16_t *)r2);
} /* ecore_x_xregion_intersect */
EAPI int
ecore_x_xregion_union(Ecore_X_XRegion *dst, Ecore_X_XRegion *r1, Ecore_X_XRegion *r2)
{
return pixman_region_union((pixman_region16_t *)dst, (pixman_region16_t *)r1, (pixman_region16_t *)r2);
} /* ecore_x_xregion_union */
EAPI int
ecore_x_xregion_union_rect(Ecore_X_XRegion *dst, Ecore_X_XRegion *src, Ecore_X_Rectangle *rect)
{
return pixman_region_union_rect((pixman_region16_t *)dst, (pixman_region16_t *)src,
rect->x, rect->y, rect->width, rect->height);
} /* ecore_x_xregion_union_rect */
EAPI int
ecore_x_xregion_subtract(Ecore_X_XRegion *dst, Ecore_X_XRegion *rm, Ecore_X_XRegion *rs)
{
return pixman_region_subtract((pixman_region16_t *)dst, (pixman_region16_t *)rm, (pixman_region16_t *)rs);
} /* ecore_x_xregion_subtract */
EAPI int
ecore_x_xregion_is_empty(Ecore_X_XRegion *region)
{
if (!region)
return 1;
return !pixman_region_not_empty((pixman_region16_t *)region);
} /* ecore_x_xregion_is_empty */
EAPI int
ecore_x_xregion_is_equal(Ecore_X_XRegion *r1, Ecore_X_XRegion *r2)
{
if (!r1 || !r2)
return 0;
return pixman_region_equal((pixman_region16_t *)r1, (pixman_region16_t *)r2);
} /* ecore_x_xregion_is_equal */
EAPI int
ecore_x_xregion_point_contain(Ecore_X_XRegion *region, int x, int y)
{
if (!region)
return 0;
return pixman_region_contains_point((pixman_region16_t *)region, x, y, NULL);
} /* ecore_x_xregion_point_contain */
EAPI int
ecore_x_xregion_rect_contain(Ecore_X_XRegion *region, Ecore_X_Rectangle *rect)
{
pixman_box16_t box;
if (!region || !rect)
return 0;
box.x1 = rect->x;
box.y1 = rect->y;
box.x2 = rect->x + rect->width - 1;
box.y2 = rect->y + rect->height - 1;
return pixman_region_contains_rectangle((pixman_region16_t *)region, &box);
} /* ecore_x_xregion_rect_contain */