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Remove rotation code

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This seems to have been copied from rootston.
This commit is contained in:
Ryan Dwyer 2018-07-01 13:41:34 +10:00
parent c8d4a1ae1d
commit 7313abe350
1 changed files with 4 additions and 35 deletions
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39
sway/desktop/render.c
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@ -36,26 +36,6 @@ struct render_context {
};
struct render_context context;
/**
* Rotate a child's position relative to a parent. The parent size is (pw, ph),
* the child position is (*sx, *sy) and its size is (sw, sh).
*/
static void rotate_child_position(double *sx, double *sy, double sw, double sh,
double pw, double ph, float rotation) {
if (rotation == 0.0f) {
return;
}
// Coordinates relative to the center of the subsurface
double ox = *sx - pw/2 + sw/2,
oy = *sy - ph/2 + sh/2;
// Rotated coordinates
double rx = cos(-rotation)*ox - sin(-rotation)*oy,
ry = cos(-rotation)*oy + sin(-rotation)*ox;
*sx = rx + pw/2 - sw/2;
*sy = ry + ph/2 - sh/2;
}
/**
* Contains a surface's root geometry information. For instance, when rendering
* a popup, this will contain the parent view's position and size.
@ -63,7 +43,6 @@ static void rotate_child_position(double *sx, double *sy, double sw, double sh,
struct root_geometry {
double x, y;
int width, height;
float rotation;
};
struct render_data {
@ -84,13 +63,9 @@ static bool get_surface_box(struct root_geometry *geo,
int sw = surface->current->width;
int sh = surface->current->height;
double _sx = sx, _sy = sy;
rotate_child_position(&_sx, &_sy, sw, sh, geo->width, geo->height,
geo->rotation);
struct wlr_box box = {
.x = geo->x + _sx,
.y = geo->y + _sy,
.x = geo->x + sx,
.y = geo->y + sy,
.width = sw,
.height = sh,
};
@ -98,16 +73,13 @@ static bool get_surface_box(struct root_geometry *geo,
memcpy(surface_box, &box, sizeof(struct wlr_box));
}
struct wlr_box rotated_box;
wlr_box_rotated_bounds(&box, geo->rotation, &rotated_box);
struct wlr_box output_box = {
.width = context.output->swayc->current.swayc_width,
.height = context.output->swayc->current.swayc_height,
};
struct wlr_box intersection;
return wlr_box_intersection(&output_box, &rotated_box, &intersection);
return wlr_box_intersection(&output_box, &box, &intersection);
}
static void surface_for_each_surface(struct wlr_surface *surface,
@ -117,7 +89,6 @@ static void surface_for_each_surface(struct wlr_surface *surface,
geo->y = oy;
geo->width = surface->current->width;
geo->height = surface->current->height;
geo->rotation = 0;
wlr_surface_for_each_surface(surface, iterator, user_data);
}
@ -182,7 +153,6 @@ static void render_surface_iterator(struct wlr_surface *surface, int sx, int sy,
void *_data) {
struct render_data *data = _data;
struct wlr_output *wlr_output = context.output->wlr_output;
float rotation = data->root_geo.rotation;
float alpha = data->alpha;
struct wlr_texture *texture = wlr_surface_get_texture(surface);
@ -201,7 +171,7 @@ static void render_surface_iterator(struct wlr_surface *surface, int sx, int sy,
float matrix[9];
enum wl_output_transform transform =
wlr_output_transform_invert(surface->current->transform);
wlr_matrix_project_box(matrix, &box, transform, rotation,
wlr_matrix_project_box(matrix, &box, transform, 0,
wlr_output->transform_matrix);
render_texture(texture, &box, matrix, alpha);
@ -302,7 +272,6 @@ static void render_view_surfaces(struct sway_view *view, float alpha) {
view->swayc->current.view_y - context.output->swayc->current.swayc_y;
data.root_geo.width = view->swayc->current.view_width;
data.root_geo.height = view->swayc->current.view_height;
data.root_geo.rotation = 0; // TODO
view_for_each_surface(view, render_surface_iterator, &data);
}