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-rw-r--r--shared-module/displayio/Bitmap.c89
-rw-r--r--shared-module/displayio/Bitmap.h47
-rw-r--r--shared-module/displayio/Group.c88
-rw-r--r--shared-module/displayio/Group.h53
-rw-r--r--shared-module/displayio/Palette.c78
-rw-r--r--shared-module/displayio/Palette.h47
-rw-r--r--shared-module/displayio/Sprite.c90
-rw-r--r--shared-module/displayio/Sprite.h51
-rw-r--r--shared-module/displayio/__init__.c80
-rw-r--r--shared-module/displayio/__init__.h32
10 files changed, 655 insertions, 0 deletions
diff --git a/shared-module/displayio/Bitmap.c b/shared-module/displayio/Bitmap.c
new file mode 100644
index 000000000..7c6a2ee80
--- /dev/null
+++ b/shared-module/displayio/Bitmap.c
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/displayio/Bitmap.h"
+
+#include <string.h>
+
+#include "py/runtime.h"
+
+void common_hal_displayio_bitmap_construct(displayio_bitmap_t *self, uint32_t width,
+ uint32_t height, uint32_t value_size) {
+ uint32_t row_width = width * value_size;
+ // word align
+ if (row_width % 32 != 0) {
+ self->stride = (row_width / 32 + 1);
+ } else {
+ self->stride = row_width / 32;
+ }
+ self->width = width;
+ self->height = height;
+ self->data = m_malloc(self->stride * height * sizeof(uint32_t), false);
+
+ self->bits_per_value = value_size;
+
+ self->x_shift = 0;
+ uint32_t power_of_two = 1;
+ while (power_of_two < 32 / value_size ) {
+ self->x_shift++;
+ power_of_two <<= 1;
+ }
+ self->x_mask = (1 << self->x_shift) - 1; // Used as a modulus on the x value
+ self->bitmask = (1 << value_size) - 1;
+}
+
+void common_hal_displayio_bitmap_load_row(displayio_bitmap_t *self, uint16_t y, uint8_t* data, uint16_t len) {
+ if (len != self->stride * 4) {
+ mp_raise_ValueError(translate("row must be packed and word aligned"));
+ }
+ uint32_t* row_value = self->data + (y * self->stride);
+ // Do the memcpy ourselves since we may want to flip endianness.
+ for (uint32_t i = 0; i < self->stride; i++) {
+ #pragma GCC diagnostic push
+ #pragma GCC diagnostic ignored "-Wcast-align"
+ uint32_t value = ((uint32_t *)data)[i];
+ #pragma GCC diagnostic pop
+ if (self->bits_per_value < 16) {
+ value = ((value >> 24) & 0xff) |
+ ((value << 8) & 0xff0000) |
+ ((value >> 8) & 0xff00) |
+ ((value << 24) & 0xff000000);
+ }
+ *row_value = value;
+ row_value++;
+ }
+}
+uint32_t common_hal_displayio_bitmap_get_pixel(displayio_bitmap_t *self, int16_t x, int16_t y) {
+ int32_t row_start = y * self->stride;
+ if (self->bits_per_value < 8) {
+ uint32_t word = self->data[row_start + (x >> self->x_shift)];
+
+ return (word >> (32 - ((x & self->x_mask) + 1) * self->bits_per_value)) & self->bitmask;
+ } else {
+ uint32_t bytes_per_value = self->bits_per_value / 8;
+ return self->data[row_start + x * bytes_per_value];
+ }
+}
diff --git a/shared-module/displayio/Bitmap.h b/shared-module/displayio/Bitmap.h
new file mode 100644
index 000000000..781a4d12a
--- /dev/null
+++ b/shared-module/displayio/Bitmap.h
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_BITMAP_H
+#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_BITMAP_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "py/obj.h"
+
+typedef struct {
+ mp_obj_base_t base;
+ uint16_t width;
+ uint16_t height;
+ uint32_t* data;
+ uint16_t stride; // words
+ uint8_t bits_per_value;
+ uint8_t x_shift;
+ uint8_t x_mask;
+ uint16_t bitmask;
+} displayio_bitmap_t;
+
+#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_BITMAP_H
diff --git a/shared-module/displayio/Group.c b/shared-module/displayio/Group.c
new file mode 100644
index 000000000..885131d47
--- /dev/null
+++ b/shared-module/displayio/Group.c
@@ -0,0 +1,88 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/displayio/Group.h"
+
+#include "py/runtime.h"
+#include "shared-bindings/displayio/Sprite.h"
+
+void common_hal_displayio_group_construct(displayio_group_t* self, uint32_t max_size) {
+ mp_obj_t* children = m_new(mp_obj_t, max_size);
+ displayio_group_construct(self, children, max_size);
+}
+
+void common_hal_displayio_group_append(displayio_group_t* self, mp_obj_t layer) {
+ if (self->size == self->max_size) {
+ mp_raise_RuntimeError(translate("Group full"));
+ }
+ self->children[self->size] = layer;
+ self->size++;
+}
+
+void displayio_group_construct(displayio_group_t* self, mp_obj_t* child_array, uint32_t max_size) {
+ self->x = 0;
+ self->y = 1;
+ self->children = child_array;
+ self->max_size = max_size;
+}
+
+bool displayio_group_get_pixel(displayio_group_t *self, int16_t x, int16_t y, uint16_t* pixel) {
+ x -= self->x;
+ y -= self->y;
+ for (int32_t i = self->size - 1; i >= 0 ; i--) {
+ mp_obj_t layer = self->children[i];
+ if (MP_OBJ_IS_TYPE(layer, &displayio_sprite_type)) {
+ if (displayio_sprite_get_pixel(layer, x, y, pixel)) {
+ return true;
+ }
+ }
+ // TODO: Tiled layer
+ }
+ return false;
+}
+
+bool displayio_group_needs_refresh(displayio_group_t *self) {
+ for (int32_t i = self->size - 1; i >= 0 ; i--) {
+ mp_obj_t layer = self->children[i];
+ if (MP_OBJ_IS_TYPE(layer, &displayio_sprite_type)) {
+ if (displayio_sprite_needs_refresh(layer)) {
+ return true;
+ }
+ }
+ // TODO: Tiled layer
+ }
+ return false;
+}
+
+void displayio_group_finish_refresh(displayio_group_t *self) {
+ for (int32_t i = self->size - 1; i >= 0 ; i--) {
+ mp_obj_t layer = self->children[i];
+ if (MP_OBJ_IS_TYPE(layer, &displayio_sprite_type)) {
+ displayio_sprite_finish_refresh(layer);
+ }
+ // TODO: Tiled layer
+ }
+}
diff --git a/shared-module/displayio/Group.h b/shared-module/displayio/Group.h
new file mode 100644
index 000000000..7f3e5646a
--- /dev/null
+++ b/shared-module/displayio/Group.h
@@ -0,0 +1,53 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_GROUP_H
+#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_GROUP_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "py/obj.h"
+
+typedef struct {
+ mp_obj_base_t base;
+ int16_t x;
+ int16_t y;
+ uint16_t size;
+ uint16_t max_size;
+ mp_obj_t* children;
+} displayio_group_t;
+
+
+void common_hal_displayio_group_construct(displayio_group_t* self, uint32_t max_size);
+void common_hal_displayio_group_append(displayio_group_t* self, mp_obj_t layer);
+
+void displayio_group_construct(displayio_group_t* self, mp_obj_t* child_array, uint32_t max_size);
+bool displayio_group_get_pixel(displayio_group_t *group, int16_t x, int16_t y, uint16_t *pixel);
+bool displayio_group_needs_refresh(displayio_group_t *self);
+void displayio_group_finish_refresh(displayio_group_t *self);
+
+#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_GROUP_H
diff --git a/shared-module/displayio/Palette.c b/shared-module/displayio/Palette.c
new file mode 100644
index 000000000..e2ec6e057
--- /dev/null
+++ b/shared-module/displayio/Palette.c
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/displayio/Palette.h"
+
+void common_hal_displayio_palette_construct(displayio_palette_t* self, uint16_t color_count) {
+ self->max_value = color_count;
+ self->colors = (uint32_t *) m_malloc(color_count * sizeof(uint16_t), false);
+ uint32_t opaque_byte_count = color_count / 8;
+ if (color_count % 8 > 0) {
+ opaque_byte_count += 1;
+ }
+ self->opaque = (uint32_t *) m_malloc(opaque_byte_count, false);
+}
+
+void common_hal_displayio_palette_make_opaque(displayio_palette_t* self, uint32_t value) {
+ self->opaque[value / 32] &= ~(0x1 << (value % 32));
+}
+
+void common_hal_displayio_palette_make_transparent(displayio_palette_t* self, uint32_t value) {
+ self->opaque[value / 32] |= (0x1 << (value % 32));
+}
+
+void common_hal_displayio_palette_set_color(displayio_palette_t* self, uint32_t value, uint32_t color) {
+ uint32_t shift = (value % 2) * 16;
+ uint32_t masked = self->colors[value / 2] & ~(0xffff << shift);
+ uint32_t b5 = (color >> 19);
+ uint32_t g6 = (color >> 10) & 0x3f;
+ uint32_t r5 = (color >> 3) & 0x1f;
+ uint32_t packed = r5 << 11 | g6 << 5 | b5;
+ // swap bytes
+ packed = ((packed >> 8) & 0xff) | ((packed & 0xff) << 8);
+ self->colors[value / 2] = masked | packed << shift;
+ self->needs_refresh = true;
+}
+
+bool displayio_palette_get_color(displayio_palette_t *self, uint32_t value, uint16_t* color) {
+ if (value > self->max_value) {
+ return false;
+ }
+ if ((self->opaque[value / 32] & (0x1 << (value % 32))) != 0) {
+ return false;
+ }
+ *color = (self->colors[value / 2] >> (16 * (value % 2))) & 0xffff;
+
+ return true;
+}
+
+bool displayio_palette_needs_refresh(displayio_palette_t *self) {
+ return self->needs_refresh;
+}
+
+void displayio_palette_finish_refresh(displayio_palette_t *self) {
+ self->needs_refresh = false;
+}
diff --git a/shared-module/displayio/Palette.h b/shared-module/displayio/Palette.h
new file mode 100644
index 000000000..22c737c9d
--- /dev/null
+++ b/shared-module/displayio/Palette.h
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_PALETTE_H
+#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_PALETTE_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "py/obj.h"
+
+typedef struct {
+ mp_obj_base_t base;
+ uint32_t* opaque;
+ uint32_t* colors;
+ uint8_t max_value;
+ bool needs_refresh;
+} displayio_palette_t;
+
+bool displayio_palette_get_color(displayio_palette_t *palette, uint32_t value, uint16_t* color);
+bool displayio_palette_needs_refresh(displayio_palette_t *self);
+void displayio_palette_finish_refresh(displayio_palette_t *self);
+
+#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_PALLETE_H
diff --git a/shared-module/displayio/Sprite.c b/shared-module/displayio/Sprite.c
new file mode 100644
index 000000000..b584c0569
--- /dev/null
+++ b/shared-module/displayio/Sprite.c
@@ -0,0 +1,90 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/displayio/Sprite.h"
+
+
+#include "shared-bindings/displayio/Bitmap.h"
+
+void common_hal_displayio_sprite_construct(displayio_sprite_t *self, mp_obj_t bitmap,
+ mp_obj_t palette, uint16_t width, uint16_t height, uint16_t x, uint16_t y) {
+ self->width = width;
+ self->height = height;
+ self->bitmap = bitmap;
+ self->palette = palette;
+ self->x = x;
+ self->y = y;
+}
+
+void common_hal_displayio_sprite_get_position(displayio_sprite_t *self, int16_t* x, int16_t* y) {
+ *x = self->x;
+ *y = self->y;
+}
+
+void common_hal_displayio_sprite_set_position(displayio_sprite_t *self, int16_t x, int16_t y) {
+ self->x = x;
+ self->y = y;
+ self->needs_refresh = true;
+}
+
+
+displayio_palette_t* common_hal_displayio_sprite_get_palette(displayio_sprite_t *self) {
+ return self->palette;
+}
+
+void common_hal_displayio_sprite_set_palette(displayio_sprite_t *self, displayio_palette_t* palette) {
+ self->palette = palette;
+ self->needs_refresh = true;
+}
+
+bool displayio_sprite_get_pixel(displayio_sprite_t *self, int16_t x, int16_t y, uint16_t* pixel) {
+ x -= self->x;
+ y -= self->y;
+ if (y < 0 || y >= self->height || x >= self->width || x < 0) {
+ return false;
+ }
+
+ uint32_t value = common_hal_displayio_bitmap_get_pixel(self->bitmap, x, y);
+ if (self->palette == mp_const_none) {
+ *pixel = value;
+ return true;
+ } else if (MP_OBJ_IS_TYPE(self->palette, &displayio_palette_type) && displayio_palette_get_color(self->palette, value, pixel)) {
+ return true;
+ }
+
+ return false;
+}
+
+bool displayio_sprite_needs_refresh(displayio_sprite_t *self) {
+ return self->needs_refresh || displayio_palette_needs_refresh(self->palette);
+}
+
+void displayio_sprite_finish_refresh(displayio_sprite_t *self) {
+ self->needs_refresh = false;
+ displayio_palette_finish_refresh(self->palette);
+ // TODO(tannewt): We could double buffer changes to position and move them over here.
+ // That way they won't change during a refresh and tear.
+}
diff --git a/shared-module/displayio/Sprite.h b/shared-module/displayio/Sprite.h
new file mode 100644
index 000000000..213130af8
--- /dev/null
+++ b/shared-module/displayio/Sprite.h
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_SPRITE_H
+#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_SPRITE_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "py/obj.h"
+#include "shared-bindings/displayio/Palette.h"
+
+typedef struct {
+ mp_obj_base_t base;
+ mp_obj_t bitmap;
+ displayio_palette_t* palette;
+ uint16_t x;
+ uint16_t y;
+ uint16_t width;
+ uint16_t height;
+ bool needs_refresh;
+} displayio_sprite_t;
+
+bool displayio_sprite_get_pixel(displayio_sprite_t *sprite, int16_t x, int16_t y, uint16_t *pixel);
+bool displayio_sprite_needs_refresh(displayio_sprite_t *self);
+void displayio_sprite_finish_refresh(displayio_sprite_t *self);
+
+#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_SPRITE_H
diff --git a/shared-module/displayio/__init__.c b/shared-module/displayio/__init__.c
new file mode 100644
index 000000000..df9c2963a
--- /dev/null
+++ b/shared-module/displayio/__init__.c
@@ -0,0 +1,80 @@
+#include "shared-bindings/displayio/FourWire.h"
+
+extern displayio_fourwire_obj_t board_display_obj;
+
+void start_region_update(displayio_fourwire_obj_t* display, uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
+ // TODO delegate between different display types
+ displayio_fourwire_start_region_update(display, x0, y0, x1, y1);
+}
+
+void finish_region_update(displayio_fourwire_obj_t* display) {
+ // TODO delegate between different display types
+ displayio_fourwire_finish_region_update(display);
+}
+
+void finish_refresh(displayio_fourwire_obj_t* display) {
+ // TODO delegate between different display types
+ displayio_fourwire_finish_refresh(display);
+}
+
+bool frame_queued(displayio_fourwire_obj_t* display) {
+ // TODO delegate between different display types
+ return displayio_fourwire_frame_queued(display);
+}
+
+bool refresh_queued(displayio_fourwire_obj_t* display) {
+ // TODO delegate between different display types
+ return displayio_fourwire_refresh_queued(display);
+}
+
+bool send_pixels(displayio_fourwire_obj_t* display, uint32_t* pixels, uint32_t length) {
+ // TODO delegate between different display types
+ return displayio_fourwire_send_pixels(display, pixels, length);
+}
+
+void displayio_refresh_display(void) {
+ displayio_fourwire_obj_t* display = &board_display_obj;
+
+ if (!frame_queued(display)) {
+ return;
+ }
+ if (refresh_queued(display)) {
+ // We compute the pixels
+ uint16_t x0 = 0;
+ uint16_t y0 = 0;
+ uint16_t x1 = display->width;
+ uint16_t y1 = display->height;
+ size_t index = 0;
+ //size_t row_size = (x1 - x0);
+ uint16_t buffer_size = 256;
+ uint32_t buffer[buffer_size / 2];
+ start_region_update(display, x0, y0, x1, y1);
+ for (uint16_t y = y0; y < y1; ++y) {
+ for (uint16_t x = x0; x < x1; ++x) {
+ uint16_t* pixel = &(((uint16_t*)buffer)[index]);
+ *pixel = 0;
+ if (display->current_group != NULL) {
+ displayio_group_get_pixel(display->current_group, x, y, pixel);
+ }
+
+
+ index += 1;
+ // The buffer is full, send it.
+ if (index >= buffer_size) {
+ if (!send_pixels(display, buffer, buffer_size / 2)) {
+ finish_region_update(display);
+ return;
+ }
+ index = 0;
+ }
+ }
+ }
+ // Send the remaining data.
+ if (index && !send_pixels(display, buffer, index * 2)) {
+ finish_region_update(display);
+ return;
+ }
+ finish_region_update(display);
+ }
+ finish_refresh(display);
+}
diff --git a/shared-module/displayio/__init__.h b/shared-module/displayio/__init__.h
new file mode 100644
index 000000000..556af430d
--- /dev/null
+++ b/shared-module/displayio/__init__.h
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO___INIT___H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO___INIT___H
+
+void displayio_refresh_display(void);
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO___INIT___H