djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Free memory allocated by bitmap obj

Browse Source
This commit is contained in:
gamblor21 2023-03-18 09:21:40 -05:00
parent 07e83674c9
commit aa423cc1c6
2 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
shared-module/displayio/Bitmap.c
View File

@ -50,6 +50,9 @@ void common_hal_displayio_bitmap_construct_from_buffer(displayio_bitmap_t *self,
self->stride = stride(width, bits_per_value);
if (!data) {
data = m_malloc(self->stride * height * sizeof(uint32_t), false);
self->data_alloc = true;
} else {
self->data_alloc = false;
}
self->data = data;
self->read_only = read_only;
@ -80,6 +83,9 @@ void common_hal_displayio_bitmap_construct_from_buffer(displayio_bitmap_t *self,
}
void common_hal_displayio_bitmap_deinit(displayio_bitmap_t *self) {
if (self->data_alloc) {
m_free(self->data);
}
self->data = NULL;
}

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

@ -45,6 +45,7 @@ typedef struct {
displayio_area_t dirty_area;
uint16_t bitmask;
bool read_only;
bool data_alloc; // did bitmap allocate data or someone else
} displayio_bitmap_t;
void displayio_bitmap_finish_refresh(displayio_bitmap_t *self);