51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) 2018 Yuxuan Shui <yshuiv7@gmail.com>
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#pragma once
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#include <xcb/xcb.h>
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#include <pixman.h>
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#include <stdio.h>
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#include "utils.h"
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typedef struct pixman_region32 pixman_region32_t;
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typedef struct pixman_box32 pixman_box32_t;
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typedef pixman_region32_t region_t;
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typedef pixman_box32_t rect_t;
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RC_TYPE(region_t, rc_region, pixman_region32_init, pixman_region32_fini, static inline)
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/// copy a region_t
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static inline void
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copy_region(region_t *dst, const region_t *p) {
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pixman_region32_copy(dst, (region_t *)p);
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}
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static inline void
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dump_region(const region_t *x) {
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int nrects;
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const rect_t *rects = pixman_region32_rectangles((region_t *)x, &nrects);
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fprintf(stderr, "nrects: %d\n", nrects);
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for (int i = 0; i < nrects; i++)
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fprintf(stderr, "(%d, %d) - (%d, %d)\n", rects[i].x1, rects[i].y1, rects[i].x2, rects[i].y2);
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}
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/// Convert one xcb rectangle to our rectangle type
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static inline rect_t
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from_x_rect(const xcb_rectangle_t *rect) {
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return (rect_t) {
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.x1 = rect->x,
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.y1 = rect->y,
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.x2 = rect->x + rect->width,
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.y2 = rect->y + rect->height,
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};
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}
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/// Convert an array of xcb rectangles to our rectangle type
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/// Returning an array that needs to be freed
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static inline rect_t *
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from_x_rects(int nrects, const xcb_rectangle_t *rects) {
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rect_t *ret = calloc(nrects, sizeof *ret);
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for (int i = 0; i < nrects; i++)
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ret[i] = from_x_rect(rects+i);
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return ret;
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}
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