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authorLucian Copeland <hierophect@gmail.com>2020-04-15 10:29:05 -0400
committerLucian Copeland <hierophect@gmail.com>2020-04-15 10:29:05 -0400
commit54abfc2e8b88ed0dd1caaf3ac926466b0aba717a (patch)
treeb5154c84f807ee6ce3b0716b3a8d7b64dca46061 /shared-module/displayio/Bitmap.c
parent0f87a75f4f0675ff55e31437907101226d5fb66b (diff)
parentae549fc9da555778884ff64a2ffe45df0a5248db (diff)
translations-merge
Diffstat (limited to 'shared-module/displayio/Bitmap.c')
-rw-r--r--shared-module/displayio/Bitmap.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/shared-module/displayio/Bitmap.c b/shared-module/displayio/Bitmap.c
index 59971d25c..8bcda6086 100644
--- a/shared-module/displayio/Bitmap.c
+++ b/shared-module/displayio/Bitmap.c
@@ -162,3 +162,24 @@ void displayio_bitmap_finish_refresh(displayio_bitmap_t *self) {
self->dirty_area.x1 = 0;
self->dirty_area.x2 = 0;
}
+
+void common_hal_displayio_bitmap_fill(displayio_bitmap_t *self, uint32_t value) {
+ if (self->read_only) {
+ mp_raise_RuntimeError(translate("Read-only object"));
+ }
+ // Update the dirty area.
+ self->dirty_area.x1 = 0;
+ self->dirty_area.x2 = self->width;
+ self->dirty_area.y1 = 0;
+ self->dirty_area.y2 = self->height;
+
+ // build the packed word
+ uint32_t word = 0;
+ for (uint8_t i=0; i<32 / self->bits_per_value; i++) {
+ word |= (value & self->bitmask) << (32 - ((i+1)*self->bits_per_value));
+ }
+ // copy it in
+ for (uint32_t i=0; i<self->stride * self->height; i++) {
+ self->data[i] = word;
+ }
+}