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Merge pull request #453 from emersion/surface-transform

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Add surface transforms support
This commit is contained in:
Drew DeVault 2017-12-14 14:43:04 -05:00 • committed by GitHub
commit 23fb663ea4
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 114 additions and 75 deletions
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47
types/wlr_box.c
View file

@ -2,6 +2,7 @@
#include <stdlib.h>
#include <math.h>
#include <stdbool.h>
#include <wayland-server-protocol.h>
#include <wlr/types/wlr_box.h>
#include <wlr/util/log.h>
@ -65,3 +66,49 @@ bool wlr_box_contains_point(struct wlr_box *box, double x, double y) {
y >= box->y && y <= box->y + box->height;
}
}
void wlr_box_transform(struct wlr_box *box,
enum wl_output_transform transform, struct wlr_box *dest) {
if (transform % 2 == 0) {
dest->width = box->width;
dest->height = box->height;
} else {
dest->width = box->height;
dest->height = box->width;
}
switch (transform) {
case WL_OUTPUT_TRANSFORM_NORMAL:
dest->x = box->x;
dest->y = box->y;
break;
case WL_OUTPUT_TRANSFORM_90:
dest->x = box->y;
dest->y = box->width - box->x;
break;
case WL_OUTPUT_TRANSFORM_180:
dest->x = box->width - box->x;
dest->y = box->height - box->y;
break;
case WL_OUTPUT_TRANSFORM_270:
dest->x = box->height - box->y;
dest->y = box->x;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED:
dest->x = box->width - box->x;
dest->y = box->y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
dest->x = box->height - box->y;
dest->y = box->width - box->x;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
dest->x = box->x;
dest->y = box->height - box->y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
dest->x = box->y;
dest->y = box->x;
break;
}
}

46
types/wlr_output.c
View file

@ -713,52 +713,6 @@ void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
free(cursor);
}
void wlr_output_transform_apply_to_box(enum wl_output_transform transform,
struct wlr_box *box, struct wlr_box *dest) {
if (transform % 2 == 0) {
dest->width = box->width;
dest->height = box->height;
} else {
dest->width = box->height;
dest->height = box->width;
}
switch (transform) {
case WL_OUTPUT_TRANSFORM_NORMAL:
dest->x = box->x;
dest->y = box->y;
break;
case WL_OUTPUT_TRANSFORM_90:
dest->x = box->y;
dest->y = box->width - box->x;
break;
case WL_OUTPUT_TRANSFORM_180:
dest->x = box->width - box->x;
dest->y = box->height - box->y;
break;
case WL_OUTPUT_TRANSFORM_270:
dest->x = box->height - box->y;
dest->y = box->x;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED:
dest->x = box->width - box->x;
dest->y = box->y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
dest->x = box->y;
dest->y = box->x;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
dest->x = box->x;
dest->y = box->height - box->y;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
dest->x = box->height - box->y;
dest->y = box->width - box->x;
break;
}
}
enum wl_output_transform wlr_output_transform_invert(
enum wl_output_transform transform) {
if ((transform & WL_OUTPUT_TRANSFORM_90) &&