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move to displayio_area_union and away from _expand

This commit is contained in:
Kevin Matocha 2021-03-25 11:21:39 -05:00
parent c81007afb0
commit 9485805b6a
5 changed files with 5 additions and 21 deletions
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6
shared-module/displayio/Group.c
View File

@ -123,7 +123,7 @@ bool displayio_group_get_previous_area(displayio_group_t *self, displayio_area_t
displayio_area_copy(&layer_area, area);
first = false;
} else {
displayio_area_expand(area, &layer_area);
displayio_area_union(area, &layer_area, area);
}
}
if (self->item_removed) {
@ -131,7 +131,7 @@ bool displayio_group_get_previous_area(displayio_group_t *self, displayio_area_t
displayio_area_copy(&self->dirty_area, area);
first = false;
} else {
displayio_area_expand(area, &self->dirty_area);
displayio_area_union(area, &self->dirty_area, area);
}
}
return !first;
@ -307,7 +307,7 @@ static void _remove_layer(displayio_group_t *self, size_t index) {
if (!self->item_removed) {
displayio_area_copy(&layer_area, &self->dirty_area);
} else {
displayio_area_expand(&self->dirty_area, &layer_area);
displayio_area_union(&self->dirty_area, &layer_area, &self->dirty_area);
}
self->item_removed = true;
}

2
shared-module/displayio/TileGrid.c
View File

@ -273,7 +273,7 @@ void common_hal_displayio_tilegrid_set_tile(displayio_tilegrid_t *self, uint16_t
tile_area->y2 = tile_area->y1 + self->tile_height;
if (self->partial_change) {
displayio_area_expand(&self->dirty_area, &temp_area);
displayio_area_union(&self->dirty_area, &temp_area, &self->dirty_area);
}
self->partial_change = true;

15
shared-module/displayio/__init__.c
View File

@ -245,21 +245,6 @@ void displayio_gc_collect(void) {
}
}
void displayio_area_expand(displayio_area_t *original, const displayio_area_t *addition) {
if (addition->x1 < original->x1) {
original->x1 = addition->x1;
}
if (addition->y1 < original->y1) {
original->y1 = addition->y1;
}
if (addition->x2 > original->x2) {
original->x2 = addition->x2;
}
if (addition->y2 > original->y2) {
original->y2 = addition->y2;
}
}
void displayio_area_copy(const displayio_area_t *src, displayio_area_t *dst) {
dst->x1 = src->x1;
dst->y1 = src->y1;

1
shared-module/displayio/area.h
View File

@ -59,7 +59,6 @@ void displayio_area_canon(displayio_area_t *a);
void displayio_area_union(const displayio_area_t *a,
const displayio_area_t *b,
displayio_area_t *u);
void displayio_area_expand(displayio_area_t *original, const displayio_area_t *addition);
void displayio_area_copy(const displayio_area_t *src, displayio_area_t *dst);
void displayio_area_scale(displayio_area_t *area, uint16_t scale);
void displayio_area_shift(displayio_area_t *area, int16_t dx, int16_t dy);

2
shared-module/vectorio/VectorShape.c
View File

@ -88,7 +88,7 @@ void common_hal_vectorio_vector_shape_set_dirty(void *vector_shape) {
self->ephemeral_dirty_area.x1, self->ephemeral_dirty_area.y1, self->ephemeral_dirty_area.x2, self->ephemeral_dirty_area.y2);
self->dirty = true;
// Dirty area tracks the shape's footprint between draws. It's reset on refresh finish,
displayio_area_expand(&self->ephemeral_dirty_area, &current_area);
displayio_area_union(&self->ephemeral_dirty_area, &current_area, &self->ephemeral_dirty_area);
VECTORIO_SHAPE_DEBUG(" -> expanded:{(%3d,%3d), (%3d,%3d)}\n", self->ephemeral_dirty_area.x1, self->ephemeral_dirty_area.y1, self->ephemeral_dirty_area.x2, self->ephemeral_dirty_area.y2);
}