Bug fixes and optimizations. Super close now

diff --git a/displayio/_display.py b/displayio/_display.py
index 8551f8c87fded9cea51a104f207a773995c698ca..d8b49c7031cd3e6492dc1474c0f8a5f8ef310255 100644 (file)
--- a/displayio/_display.py
+++ b/displayio/_display.py
@@ -18,7 +18,6 @@ displayio for Blinka
 """
 
 import time
-from array import array
 from typing import Optional
 import digitalio
 import microcontroller
@@ -378,15 +377,15 @@ class Display:
             buffer_size = pixels_per_buffer // pixels_per_word
             if pixels_per_buffer % pixels_per_word:
                 buffer_size += 1
-        mask_length = (pixels_per_buffer // 8) + 1  # 1 bit per pixel + 1
+        mask_length = (pixels_per_buffer // 32) + 1  # 1 bit per pixel + 1
         remaining_rows = clipped.height()
 
         for subrect_index in range(subrectangles):
             subrectangle = Area(
-                clipped.x1,
-                clipped.y1 + rows_per_buffer * subrect_index,
-                clipped.x2,
-                clipped.y1 + rows_per_buffer * (subrect_index + 1),
+                x1=clipped.x1,
+                y1=clipped.y1 + rows_per_buffer * subrect_index,
+                x2=clipped.x2,
+                y2=clipped.y1 + rows_per_buffer * (subrect_index + 1),
             )
             if remaining_rows < rows_per_buffer:
                 subrectangle.y2 = subrectangle.y1 + remaining_rows
@@ -401,8 +400,8 @@ class Display:
                     8 // self._core.colorspace.depth
                 )
 
-            buffer = memoryview(bytearray([0] * (buffer_size * 4)))
-            mask = memoryview(bytearray([0] * mask_length))
+            buffer = memoryview(bytearray([0] * (buffer_size * 4))).cast("I")
+            mask = memoryview(bytearray([0] * mask_length)).cast("I")
             self._core.fill_area(subrectangle, mask, buffer)
 
             # Can't acquire display bus; skip the rest of the data.
@@ -410,7 +409,7 @@ class Display:
                 return False
 
             self._core.begin_transaction()
-            self._send_pixels(buffer[:subrectangle_size_bytes])
+            self._send_pixels(buffer.tobytes()[:subrectangle_size_bytes])
             self._core.end_transaction()
         return True
 
@@ -426,9 +425,9 @@ class Display:
         if pixels_per_buffer % pixels_per_word:
             buffer_size += 1
 
-        buffer = bytearray([0] * (buffer_size * 4))
+        buffer = memoryview(bytearray([0] * (buffer_size * 4))).cast("I")
         mask_length = (pixels_per_buffer // 32) + 1
-        mask = array("L", [0x00000000] * mask_length)
+        mask = memoryview(bytearray([0] * (mask_length * 4))).cast("I")
         self._core.fill_area(area, mask, buffer)
         return buffer
 
@@ -512,7 +511,15 @@ class Display:
     def rotation(self, value: int):
         if value % 90 != 0:
             raise ValueError("Display rotation must be in 90 degree increments")
+        transposed = self._core.rotation in (90, 270)
+        will_transposed = value in (90, 270)
+        if transposed != will_transposed:
+            self._core.width, self._core.height = self._core.height, self._core.width
         self._core.set_rotation(value)
+        if self._core.current_group is not None:
+            self._core.current_group._update_transform(  # pylint: disable=protected-access
+                self._core.transform
+            )
 
     @property
     def bus(self) -> _DisplayBus:

diff --git a/displayio/_displaycore.py b/displayio/_displaycore.py
index 0672513c067d776cc6859abcf502fe9bc019c72b..9e1ba4bdfb8bdad015ac7ecd5c4e06b68ea9a9cd 100644 (file)
--- a/displayio/_displaycore.py
+++ b/displayio/_displaycore.py
@@ -118,16 +118,13 @@ class _DisplayCore:
         self.rotation = rotation
         self.transform = TransformStruct()
 
+        self.set_rotation(rotation)
+
     def set_rotation(self, rotation: int) -> None:
         """
         Sets the rotation of the display as an int in degrees.
         """
         # pylint: disable=protected-access, too-many-branches
-        transposed = self.rotation in (90, 270)
-        will_be_transposed = rotation in (90, 270)
-        if transposed != will_be_transposed:
-            self.width, self.height = self.height, self.width
-
         height = self.height
         width = self.width
 
@@ -176,9 +173,6 @@ class _DisplayCore:
                 self.transform.y = height
                 self.transform.dy = -1
 
-        if self.current_group is not None:
-            self.current_group._update_transform(self.transform)
-
     def set_root_group(self, root_group: Group) -> bool:
         """
         Switches to displaying the given group of layers. When group is `None`, the
@@ -289,7 +283,7 @@ class _DisplayCore:
             else:
                 region_y1 //= pixels_per_byte * self.colorspace.bytes_per_cell
                 region_y2 //= pixels_per_byte * self.colorspace.bytes_per_cell
-
+        print(region_y2)
         region_x2 -= 1
         region_y2 -= 1
 

diff --git a/displayio/_epaperdisplay.py b/displayio/_epaperdisplay.py
index 9560469e2300fc0a0d709e0075cd2b0cb67c68b4..1f0731c26633e4e84bd5645b83767326cf8382fe 100644 (file)
--- a/displayio/_epaperdisplay.py
+++ b/displayio/_epaperdisplay.py
@@ -371,7 +371,10 @@ class EPaperDisplay:
         # If there is no overlap then we're done.
         if not self._core.clip_area(area, clipped):
             return True
-
+        print("---------------")
+        print(area.x1, area.y1, area.x2, area.y2)
+        print(clipped.x1, clipped.y1, clipped.x2, clipped.y2)
+        print("---------------")
         subrectangles = 1
         rows_per_buffer = clipped.height()
         pixels_per_word = 32 // self._core.colorspace.depth
@@ -392,7 +395,7 @@ class EPaperDisplay:
             if pixels_per_buffer % pixels_per_word:
                 buffer_size += 1
 
-        mask_length = (pixels_per_buffer // 8) + 1  # 1 bit per pixel + 1
+        mask_length = (pixels_per_buffer // 32) + 1  # 1 bit per pixel + 1
 
         passes = 1
         if self._write_color_ram_command != NO_COMMAND:
@@ -412,10 +415,10 @@ class EPaperDisplay:
 
             for subrect_index in range(subrectangles):
                 subrectangle = Area(
-                    clipped.x1,
-                    clipped.y1 + rows_per_buffer * subrect_index,
-                    clipped.x2,
-                    clipped.y1 + rows_per_buffer * (subrect_index + 1),
+                    x1=clipped.x1,
+                    y1=clipped.y1 + rows_per_buffer * subrect_index,
+                    x2=clipped.x2,
+                    y2=clipped.y1 + rows_per_buffer * (subrect_index + 1),
                 )
                 if remaining_rows < rows_per_buffer:
                     subrectangle.y2 = subrectangle.y1 + remaining_rows
@@ -425,8 +428,8 @@ class EPaperDisplay:
                     8 // self._core.colorspace.depth
                 )
 
-                buffer = memoryview(bytearray([0] * (buffer_size * 4)))
-                mask = memoryview(bytearray([0] * mask_length))
+                buffer = memoryview(bytearray([0] * (buffer_size * 4))).cast("I")
+                mask = memoryview(bytearray([0] * (mask_length * 4))).cast("I")
 
                 if not self._acep:
                     self._core.colorspace.grayscale = True
@@ -454,7 +457,9 @@ class EPaperDisplay:
                     # Can't acquire display bus; skip the rest of the data. Try next display.
                     return False
                 self._core.send(
-                    DISPLAY_DATA, self._chip_select, buffer[:subrectangle_size_bytes]
+                    DISPLAY_DATA,
+                    self._chip_select,
+                    buffer.tobytes()[:subrectangle_size_bytes],
                 )
                 self._core.end_transaction()
         return True
@@ -547,6 +552,10 @@ class EPaperDisplay:
         if transposed != will_transposed:
             self._core.width, self._core.height = self._core.height, self._core.width
         self._core.set_rotation(value)
+        if self._core.current_group is not None:
+            self._core.current_group._update_transform(  # pylint: disable=protected-access
+                self._core.transform
+            )
 
     @property
     def time_to_refresh(self) -> float:

diff --git a/displayio/_tilegrid.py b/displayio/_tilegrid.py
index 5abfad44296ea7441930e5bd0b372f88888cdf4a..9287e980a64a71f908c0b3808018c7a579532413 100644 (file)
--- a/displayio/_tilegrid.py
+++ b/displayio/_tilegrid.py
@@ -319,7 +319,7 @@ class TileGrid:
                 )  # In Pixels
 
                 # Check the mask first to see if the pixel has already been set
-                if mask[offset // 8] & (1 << (offset % 8)):
+                if mask[offset // 32] & (1 << (offset % 32)):
                     continue
                 local_x = input_pixel.x // self._absolute_transform.scale
                 tile_location = (
@@ -363,24 +363,24 @@ class TileGrid:
                 if not output_pixel.opaque:
                     full_coverage = False
                 else:
-                    mask[offset // 8] |= 1 << (offset % 8)
+                    mask[offset // 32] |= 1 << (offset % 32)
                     # print("Mask", mask)
                     if colorspace.depth == 16:
                         struct.pack_into(
                             "H",
-                            buffer,
-                            offset * 2,
+                            buffer.cast("H"),
+                            offset,
                             output_pixel.pixel,
                         )
                     elif colorspace.depth == 32:
                         struct.pack_into(
                             "I",
                             buffer,
-                            offset * 4,
+                            offset,
                             output_pixel.pixel,
                         )
                     elif colorspace.depth == 8:
-                        buffer[offset] = output_pixel.pixel & 0xFF
+                        buffer.cast("B")[offset] = output_pixel.pixel & 0xFF
                     elif colorspace.depth < 8:
                         # Reorder the offsets to pack multiple rows into
                         # a byte (meaning they share a column).
@@ -399,7 +399,9 @@ class TileGrid:
                         if colorspace.reverse_pixels_in_byte:
                             # Reverse the shift by subtracting it from the leftmost shift
                             shift = (pixels_per_byte - 1) * colorspace.depth - shift
-                        buffer[offset // pixels_per_byte] |= output_pixel.pixel << shift
+                        buffer.cast("B")[offset // pixels_per_byte] |= (
+                            output_pixel.pixel << shift
+                        )
 
         return full_coverage