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Now with the right calculation...

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Simon Long 2024-05-08 08:45:02 +01:00
parent 035e2b7fc9
commit 94afd1f7b0
1 changed files with 15 additions and 2 deletions
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17
src/common/scene-helpers.c
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@ -44,6 +44,17 @@ lab_wlr_scene_get_prev_node(struct wlr_scene_node *node)
return prev; return prev;
} }
static double constrain (double lower, double in, double upper)
{
if (in < lower) {
return lower;
}
if (in > upper) {
return upper;
}
return in;
}
static void static void
magnify(struct output *output, struct wlr_buffer *output_buffer, struct wlr_box *damage) magnify(struct output *output, struct wlr_buffer *output_buffer, struct wlr_box *damage)
{ {
@ -211,8 +222,10 @@ magnify(struct output *output, struct wlr_buffer *output_buffer, struct wlr_box
dst_box.height = height; dst_box.height = height;
if (theme->mag_fullscreen) { if (theme->mag_fullscreen) {
src_box.x = MAX(0, MIN(ox - width / (2 * mag_scale), width * (mag_scale - 1) / mag_scale)); src_box.x = constrain (0.0, ox - (ox / mag_scale),
src_box.y = MAX(0, MIN(oy - height / (2 * mag_scale), height * (mag_scale - 1) / mag_scale)); width * (mag_scale - 1.0) / mag_scale);
src_box.y = constrain (0.0, oy - (oy / mag_scale),
height * (mag_scale - 1.0) / mag_scale);
dst_box.x = 0; dst_box.x = 0;
dst_box.y = 0; dst_box.y = 0;
} else { } else {