Move resize_region to region.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
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387e247bcf
commit
640b4b1c99
51
src/region.h
51
src/region.h
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@ -47,3 +47,54 @@ static inline rect_t *from_x_rects(int nrects, const xcb_rectangle_t *rects) {
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}
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return ret;
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}
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/**
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* Resize a region.
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*/
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static inline void _resize_region(const region_t *region, region_t *output, int dx,
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int dy) {
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if (!region || !output) {
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return;
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}
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if (!dx && !dy) {
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if (region != output) {
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pixman_region32_copy(output, (region_t *)region);
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}
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return;
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}
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// Loop through all rectangles
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int nrects;
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int nnewrects = 0;
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const rect_t *rects = pixman_region32_rectangles((region_t *)region, &nrects);
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auto newrects = ccalloc(nrects, rect_t);
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for (int i = 0; i < nrects; i++) {
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int x1 = rects[i].x1 - dx;
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int y1 = rects[i].y1 - dy;
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int x2 = rects[i].x2 + dx;
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int y2 = rects[i].y2 + dy;
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int wid = x2 - x1;
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int hei = y2 - y1;
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if (wid <= 0 || hei <= 0) {
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continue;
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}
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newrects[nnewrects] =
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(rect_t){.x1 = x1, .x2 = x2, .y1 = y1, .y2 = y2};
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++nnewrects;
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}
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pixman_region32_fini(output);
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pixman_region32_init_rects(output, newrects, nnewrects);
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free(newrects);
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}
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static inline region_t resize_region(const region_t *region, int dx, int dy) {
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region_t ret;
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pixman_region32_init(&ret);
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_resize_region(region, &ret, dx, dy);
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return ret;
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}
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static inline void resize_region_in_place(region_t *region, int dx, int dy) {
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return _resize_region(region, region, dx, dy);
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}
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33
src/render.c
33
src/render.c
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@ -740,37 +740,6 @@ win_blur_background(session_t *ps, struct managed_win *w, xcb_render_picture_t t
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}
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}
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/**
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* Resize a region.
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*/
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static inline void resize_region(region_t *region, short mod) {
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if (!mod || !region)
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return;
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// Loop through all rectangles
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int nrects;
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int nnewrects = 0;
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pixman_box32_t *rects = pixman_region32_rectangles(region, &nrects);
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auto newrects = ccalloc(nrects, pixman_box32_t);
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for (int i = 0; i < nrects; i++) {
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int x1 = rects[i].x1 - mod;
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int y1 = rects[i].y1 - mod;
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int x2 = rects[i].x2 + mod;
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int y2 = rects[i].y2 + mod;
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int wid = x2 - x1;
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int hei = y2 - y1;
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if (wid <= 0 || hei <= 0)
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continue;
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newrects[nnewrects] =
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(pixman_box32_t){.x1 = x1, .x2 = x2, .y1 = y1, .y2 = y2};
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++nnewrects;
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}
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pixman_region32_fini(region);
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pixman_region32_init_rects(region, newrects, nnewrects);
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free(newrects);
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}
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/// paint all windows
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/// region = ??
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/// region_real = the damage region
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@ -807,7 +776,7 @@ void paint_all(session_t *ps, struct managed_win *t, bool ignore_damage) {
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#endif
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if (ps->o.resize_damage > 0) {
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resize_region(®ion, (short)ps->o.resize_damage);
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resize_region_in_place(®ion, ps->o.resize_damage, ps->o.resize_damage);
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}
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// Remove the damaged area out of screen
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