diff options
| -rw-r--r-- | atmel-samd/Makefile | 3 | ||||
| -rw-r--r-- | shared-bindings/_stage/Layer.c | 130 | ||||
| -rw-r--r-- | shared-bindings/_stage/Layer.h | 34 | ||||
| -rw-r--r-- | shared-bindings/_stage/Text.c | 109 | ||||
| -rw-r--r-- | shared-bindings/_stage/Text.h | 34 | ||||
| -rw-r--r-- | shared-bindings/_stage/__init__.c | 97 | ||||
| -rw-r--r-- | shared-bindings/_stage/__init__.h | 32 | ||||
| -rw-r--r-- | shared-module/_stage/Layer.c | 105 | ||||
| -rw-r--r-- | shared-module/_stage/Layer.h | 48 | ||||
| -rw-r--r-- | shared-module/_stage/Text.c | 67 | ||||
| -rw-r--r-- | shared-module/_stage/Text.h | 46 | ||||
| -rw-r--r-- | shared-module/_stage/__init__.c | 76 | ||||
| -rw-r--r-- | shared-module/_stage/__init__.h | 42 |
13 files changed, 823 insertions, 0 deletions
diff --git a/atmel-samd/Makefile b/atmel-samd/Makefile index 4a45106db..f6c183ba9 100644 --- a/atmel-samd/Makefile +++ b/atmel-samd/Makefile @@ -333,6 +333,9 @@ SRC_SHARED_MODULE = \ os/__init__.c \ random/__init__.c \ storage/__init__.c \ + _stage/__init__.c \ + _stage/Layer.c \ + _stage/Text.c \ uheap/__init__.c \ ustack/__init__.c diff --git a/shared-bindings/_stage/Layer.c b/shared-bindings/_stage/Layer.c new file mode 100644 index 000000000..3e615c497 --- /dev/null +++ b/shared-bindings/_stage/Layer.c @@ -0,0 +1,130 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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 <py/runtime.h> + +#include "__init__.h" +#include "Layer.h" + +//| .. currentmodule:: _stage +//| +//| :class:`Layer` -- Keep information about a single layer of graphics +//| =================================================================== +//| +//| .. class:: Layer(width, height, graphic, palette, [grid]) +//| +//| Keep internal information about a layer of graphics (either a +//| ``Grid`` or a ``Sprite``) in a format suitable for fast rendering +//| with the ``render()`` function. +//| +//| :param int width: The width of the grid in tiles, or 1 for sprites. +//| :param int height: The height of the grid in tiles, or 1 for sprites. +//| :param bytearray graphic: The graphic data of the tiles. +//| :param bytearray palette: The color palette to be used. +//| :param bytearray grid: The contents of the grid map. +//| +//| This class is intended for internal use in the ``stage`` library and +//| it shouldn't be used on its own. +//| +STATIC mp_obj_t layer_make_new(const mp_obj_type_t *type, size_t n_args, + size_t n_kw, const mp_obj_t *args) { + mp_arg_check_num(n_args, n_kw, 4, 5, false); + + layer_obj_t *self = m_new_obj(layer_obj_t); + self->base.type = type; + + self->width = mp_obj_get_int(args[0]); + self->height = mp_obj_get_int(args[1]); + self->x = 0; + self->y = 0; + self->frame = 0; + self->rotation = false; + + mp_buffer_info_t bufinfo; + mp_get_buffer_raise(args[2], &bufinfo, MP_BUFFER_READ); + self->graphic = bufinfo.buf; + if (bufinfo.len != 2048) { + mp_raise_ValueError("graphic must be 2048 bytes long"); + } + + mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ); + self->palette = bufinfo.buf; + if (bufinfo.len != 32) { + mp_raise_ValueError("palette must be 32 bytes long"); + } + + if (n_args > 4) { + mp_get_buffer_raise(args[4], &bufinfo, MP_BUFFER_READ); + self->map = bufinfo.buf; + if (bufinfo.len < (self->width * self->height) / 2) { + mp_raise_ValueError("map buffer too small"); + } + } else { + self-> map = NULL; + } + + return MP_OBJ_FROM_PTR(self); +} + +//| .. method:: move(x, y) +//| +//| Set the offset of the layer to the specified values. +//| +STATIC mp_obj_t layer_move(mp_obj_t self_in, mp_obj_t x_in, mp_obj_t y_in) { + layer_obj_t *self = MP_OBJ_TO_PTR(self_in); + self->x = mp_obj_get_int(x_in); + self->y = mp_obj_get_int(y_in); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_3(layer_move_obj, layer_move); + +//| .. method:: frame(frame, rotation) +//| +//| Set the animation frame of the sprite, and optionally rotation its +//| graphic. +//| +STATIC mp_obj_t layer_frame(mp_obj_t self_in, mp_obj_t frame_in, + mp_obj_t rotation_in) { + layer_obj_t *self = MP_OBJ_TO_PTR(self_in); + self->frame = mp_obj_get_int(frame_in); + self->rotation = mp_obj_get_int(rotation_in); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_3(layer_frame_obj, layer_frame); + + +STATIC const mp_rom_map_elem_t layer_locals_dict_table[] = { + { MP_ROM_QSTR(MP_QSTR_move), MP_ROM_PTR(&layer_move_obj) }, + { MP_ROM_QSTR(MP_QSTR_frame), MP_ROM_PTR(&layer_frame_obj) }, +}; +STATIC MP_DEFINE_CONST_DICT(layer_locals_dict, layer_locals_dict_table); + +const mp_obj_type_t mp_type_layer = { + { &mp_type_type }, + .name = MP_QSTR_Layer, + .make_new = layer_make_new, + .locals_dict = (mp_obj_dict_t*)&layer_locals_dict, +}; diff --git a/shared-bindings/_stage/Layer.h b/shared-bindings/_stage/Layer.h new file mode 100644 index 000000000..6d15dfb28 --- /dev/null +++ b/shared-bindings/_stage/Layer.h @@ -0,0 +1,34 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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__STAGE_LAYER_H +#define MICROPY_INCLUDED__STAGE_LAYER_H + +#include "shared-module/_stage/Layer.h" + +extern const mp_obj_type_t mp_type_layer; + +#endif // MICROPY_INCLUDED__STAGE_LAYER diff --git a/shared-bindings/_stage/Text.c b/shared-bindings/_stage/Text.c new file mode 100644 index 000000000..c62d22afe --- /dev/null +++ b/shared-bindings/_stage/Text.c @@ -0,0 +1,109 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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 <py/runtime.h> + +#include "__init__.h" +#include "Text.h" + +//| .. currentmodule:: _stage +//| +//| :class:`Text` -- Keep information about a single text of text +//| ============================================================== +//| +//| .. class:: Text(width, height, font, palette, chars) +//| +//| Keep internal information about a text of text +//| in a format suitable for fast rendering +//| with the ``render()`` function. +//| +//| :param int width: The width of the grid in tiles, or 1 for sprites. +//| :param int height: The height of the grid in tiles, or 1 for sprites. +//| :param bytearray font: The font data of the characters. +//| :param bytearray palette: The color palette to be used. +//| :param bytearray chars: The contents of the character grid. +//| +//| This class is intended for internal use in the ``stage`` library and +//| it shouldn't be used on its own. +//| +STATIC mp_obj_t text_make_new(const mp_obj_type_t *type, size_t n_args, + size_t n_kw, const mp_obj_t *args) { + mp_arg_check_num(n_args, n_kw, 5, 5, false); + + text_obj_t *self = m_new_obj(text_obj_t); + self->base.type = type; + + self->width = mp_obj_get_int(args[0]); + self->height = mp_obj_get_int(args[1]); + self->x = 0; + self->y = 0; + + mp_buffer_info_t bufinfo; + mp_get_buffer_raise(args[2], &bufinfo, MP_BUFFER_READ); + self->font = bufinfo.buf; + if (bufinfo.len != 2048) { + mp_raise_ValueError("font must be 2048 bytes long"); + } + + mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ); + self->palette = bufinfo.buf; + if (bufinfo.len != 32) { + mp_raise_ValueError("palette must be 32 bytes long"); + } + + mp_get_buffer_raise(args[4], &bufinfo, MP_BUFFER_READ); + self->chars = bufinfo.buf; + if (bufinfo.len < self->width * self->height) { + mp_raise_ValueError("chars buffer too small"); + } + + return MP_OBJ_FROM_PTR(self); +} + +//| .. method:: move(x, y) +//| +//| Set the offset of the text to the specified values. +//| +STATIC mp_obj_t text_move(mp_obj_t self_in, mp_obj_t x_in, mp_obj_t y_in) { + text_obj_t *self = MP_OBJ_TO_PTR(self_in); + self->x = mp_obj_get_int(x_in); + self->y = mp_obj_get_int(y_in); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_3(text_move_obj, text_move); + + +STATIC const mp_rom_map_elem_t text_locals_dict_table[] = { + { MP_ROM_QSTR(MP_QSTR_move), MP_ROM_PTR(&text_move_obj) }, +}; +STATIC MP_DEFINE_CONST_DICT(text_locals_dict, text_locals_dict_table); + +const mp_obj_type_t mp_type_text = { + { &mp_type_type }, + .name = MP_QSTR_Text, + .make_new = text_make_new, + .locals_dict = (mp_obj_dict_t*)&text_locals_dict, +}; diff --git a/shared-bindings/_stage/Text.h b/shared-bindings/_stage/Text.h new file mode 100644 index 000000000..77de62a11 --- /dev/null +++ b/shared-bindings/_stage/Text.h @@ -0,0 +1,34 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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__STAGE_TEXT_H +#define MICROPY_INCLUDED__STAGE_TEXT_H + +#include "shared-module/_stage/Text.h" + +extern const mp_obj_type_t mp_type_text; + +#endif // MICROPY_INCLUDED__STAGE_TEXT diff --git a/shared-bindings/_stage/__init__.c b/shared-bindings/_stage/__init__.c new file mode 100644 index 000000000..16e0b58d9 --- /dev/null +++ b/shared-bindings/_stage/__init__.c @@ -0,0 +1,97 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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 "__init__.h" +#include "py/mperrno.h" +#include "py/runtime.h" +#include "shared-bindings/busio/SPI.h" +#include "shared-module/_stage/__init__.h" +#include "Layer.h" +#include "Text.h" + +//| .. currentmodule:: _stage +//| +//| .. function:: render(x0, y0, x1, y1, layers, buffer, spi) +//| +//| Render and send to the display a fragment of the screen. +//| +//| :param int x0: Left edge of the fragment. +//| :param int y0: Top edge of the fragment. +//| :param int x1: Right edge of the fragment. +//| :param int y1: Bottom edge of the fragment. +//| :param list layers: A list of the `Layer` objects. +//| :param bytearray buffer: A buffer to use for rendering. +//| :param SPI spi: The SPI device to use. +//| +//| Note that this function only sends the raw pixel data. Setting up +//| the display for receiving it and handling the chip-select and +//| data-command pins has to be done outside of it. +//| There are also no sanity checks, outside of the basic overflow +//| checking. The caller is responsible for making the passed parameters +//| valid. +//| +//| This function is intended for internal use in the ``stage`` library +//| and all the necessary checks are performed there. +STATIC mp_obj_t stage_render(size_t n_args, const mp_obj_t *args) { + uint8_t x0 = mp_obj_get_int(args[0]); + uint8_t y0 = mp_obj_get_int(args[1]); + uint8_t x1 = mp_obj_get_int(args[2]); + uint8_t y1 = mp_obj_get_int(args[3]); + + size_t layers_size = 0; + mp_obj_t *layers; + mp_obj_get_array(args[4], &layers_size, &layers); + + mp_buffer_info_t bufinfo; + mp_get_buffer_raise(args[5], &bufinfo, MP_BUFFER_WRITE); + uint16_t *buffer = bufinfo.buf; + size_t buffer_size = bufinfo.len / 2; // 16-bit indexing + + busio_spi_obj_t *spi = MP_OBJ_TO_PTR(args[6]); + + if (!render_stage(x0, y0, x1, y1, layers, layers_size, + buffer, buffer_size, spi)) { + mp_raise_OSError(MP_EIO); + } + + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(stage_render_obj, 7, 7, stage_render); + + +STATIC const mp_rom_map_elem_t stage_module_globals_table[] = { + { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR__stage) }, + { MP_ROM_QSTR(MP_QSTR_Layer), MP_ROM_PTR(&mp_type_layer) }, + { MP_ROM_QSTR(MP_QSTR_Text), MP_ROM_PTR(&mp_type_text) }, + { MP_ROM_QSTR(MP_QSTR_render), MP_ROM_PTR(&stage_render_obj) }, +}; + +STATIC MP_DEFINE_CONST_DICT(stage_module_globals, stage_module_globals_table); + +const mp_obj_module_t stage_module = { + .base = { &mp_type_module }, + .globals = (mp_obj_dict_t*)&stage_module_globals, +}; diff --git a/shared-bindings/_stage/__init__.h b/shared-bindings/_stage/__init__.h new file mode 100644 index 000000000..2df81cb3b --- /dev/null +++ b/shared-bindings/_stage/__init__.h @@ -0,0 +1,32 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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__STAGE_H +#define MICROPY_INCLUDED__STAGE_H + +#include "shared-module/_stage/__init__.h" + +#endif // MICROPY_INCLUDED__STAGE diff --git a/shared-module/_stage/Layer.c b/shared-module/_stage/Layer.c new file mode 100644 index 000000000..3315ac69e --- /dev/null +++ b/shared-module/_stage/Layer.c @@ -0,0 +1,105 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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 "Layer.h" +#include "__init__.h" + + +// Get the color of the pixel on the layer. +uint16_t get_layer_pixel(layer_obj_t *layer, int16_t x, uint16_t y) { + + // Shift by the layer's position offset. + x -= layer->x; + y -= layer->y; + + // Bounds check. + if ((x < 0) || (x >= layer->width << 4) || + (y < 0) || (y >= layer->height << 4)) { + return TRANSPARENT; + } + + // Get the tile from the grid location or from sprite frame. + uint8_t frame = layer->frame; + if (layer->map) { + uint8_t tx = x >> 4; + uint8_t ty = y >> 4; + + frame = layer->map[(tx * layer->width + ty) >> 1]; + if (ty & 0x01) { + frame &= 0x0f; + } else { + frame >>= 4; + } + } + + // Get the position within the tile. + x &= 0x0f; + y &= 0x0f; + + // Rotate the image. + uint8_t tx = x; // Temporary variable for swapping. + switch (layer->rotation) { + case 1: // 90 degrees clockwise + x = 15 - y; + y = tx; + break; + case 2: // 180 degrees + x = 15 - tx; + y = 15 - y; + break; + case 3: // 90 degrees counter-clockwise + x = y; + y = 15 - tx; + break; + case 4: // 0 degrees, mirrored + y = 15 - y; + break; + case 5: // 90 degrees clockwise, mirrored + x = y; + y = tx; + break; + case 6: // 180 degrees, mirrored + x = 15 - tx; + break; + case 7: // 90 degrees counter-clockwise, mirrored + x = 15 - y; + y = 15 - tx; + break; + default: // 0 degrees + break; + } + + // Get the value of the pixel. + uint8_t pixel = layer->graphic[(frame << 7) + (x << 3) + (y >> 1)]; + if (y & 0x01) { + pixel &= 0x0f; + } else { + pixel >>= 4; + } + + // Convert to 16-bit color using the palette. + return layer->palette[pixel << 1] | layer->palette[(pixel << 1) + 1] << 8; +} diff --git a/shared-module/_stage/Layer.h b/shared-module/_stage/Layer.h new file mode 100644 index 000000000..c46f71349 --- /dev/null +++ b/shared-module/_stage/Layer.h @@ -0,0 +1,48 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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__STAGE_LAYER_H +#define MICROPY_INCLUDED_SHARED_MODULE__STAGE_LAYER_H + +#include <stdint.h> +#include <stdbool.h> + +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; + uint8_t *map; + uint8_t *graphic; + uint8_t *palette; + int16_t x, y; + uint8_t width, height; + uint8_t frame; + uint8_t rotation; +} layer_obj_t; + +uint16_t get_layer_pixel(layer_obj_t *layer, int16_t x, uint16_t y); + +#endif // MICROPY_INCLUDED_SHARED_MODULE__STAGE_LAYER diff --git a/shared-module/_stage/Text.c b/shared-module/_stage/Text.c new file mode 100644 index 000000000..6c451bf38 --- /dev/null +++ b/shared-module/_stage/Text.c @@ -0,0 +1,67 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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 "Text.h" +#include "__init__.h" + + +// Get the color of the pixel on the text. +uint16_t get_text_pixel(text_obj_t *text, int16_t x, uint16_t y) { + + // Shift by the text's position offset. + x -= text->x; + y -= text->y; + + // Bounds check. + if ((x < 0) || (x >= text->width << 3) || + (y < 0) || (y >= text->height << 3)) { + return TRANSPARENT; + } + + // Get the tile from the grid location or from sprite frame. + uint8_t tx = x >> 3; + uint8_t ty = y >> 3; + uint8_t c = text->chars[ty * text->width + tx]; + uint8_t color_offset = 0; + if (c & 0x80) { + color_offset = 4; + } + c &= 0x7f; + if (!c) { + return TRANSPARENT; + } + + // Get the position within the char. + x &= 0x07; + y &= 0x07; + + // Get the value of the pixel. + uint8_t pixel = text->font[(c << 4) + (x << 1) + (y >> 2)]; + pixel = ((pixel >> ((y & 0x03) << 1)) & 0x03) + color_offset; + + // Convert to 16-bit color using the palette. + return text->palette[pixel << 1] | text->palette[(pixel << 1) + 1] << 8; +} diff --git a/shared-module/_stage/Text.h b/shared-module/_stage/Text.h new file mode 100644 index 000000000..bc111e49c --- /dev/null +++ b/shared-module/_stage/Text.h @@ -0,0 +1,46 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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__STAGE_TEXT_H +#define MICROPY_INCLUDED_SHARED_MODULE__STAGE_TEXT_H + +#include <stdint.h> +#include <stdbool.h> + +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; + uint8_t *chars; + uint8_t *font; + uint8_t *palette; + int16_t x, y; + uint8_t width, height; +} text_obj_t; + +uint16_t get_text_pixel(text_obj_t *text, int16_t x, uint16_t y); + +#endif // MICROPY_INCLUDED_SHARED_MODULE__STAGE_TEXT diff --git a/shared-module/_stage/__init__.c b/shared-module/_stage/__init__.c new file mode 100644 index 000000000..1931b8940 --- /dev/null +++ b/shared-module/_stage/__init__.c @@ -0,0 +1,76 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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 "Layer.h" +#include "Text.h" +#include "__init__.h" +#include "shared-bindings/_stage/Layer.h" +#include "shared-bindings/_stage/Text.h" + + +bool render_stage(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, + mp_obj_t *layers, size_t layers_size, + uint16_t *buffer, size_t buffer_size, + busio_spi_obj_t *spi) { + + // TODO(deshipu): Do a collision check of each layer with the + // rectangle, and only process the layers that overlap with it. + + size_t index = 0; + for (uint8_t y = y0; y < y1; ++y) { + for (uint8_t x = x0; x < x1; ++x) { + for (size_t layer = 0; layer < layers_size; ++layer) { + uint16_t c = TRANSPARENT; + layer_obj_t *obj = MP_OBJ_TO_PTR(layers[layer]); + if (obj->base.type == &mp_type_layer) { + c = get_layer_pixel(obj, x, y); + } else if (obj->base.type == &mp_type_text) { + c = get_text_pixel((text_obj_t *)obj, x, y); + } + if (c != TRANSPARENT) { + buffer[index] = c; + break; + } + } + index += 1; + // The buffer is full, send it. + if (index >= buffer_size) { + if (!common_hal_busio_spi_write(spi, + ((uint8_t*)buffer), buffer_size * 2)) { + return false; + } + index = 0; + } + } + } + // Send the remaining data. + if (index) { + if (!common_hal_busio_spi_write(spi, ((uint8_t*)buffer), index * 2)) { + return false; + } + } + return true; +} diff --git a/shared-module/_stage/__init__.h b/shared-module/_stage/__init__.h new file mode 100644 index 000000000..326c72559 --- /dev/null +++ b/shared-module/_stage/__init__.h @@ -0,0 +1,42 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017 Radomir Dopieralski + * + * 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__STAGE_H +#define MICROPY_INCLUDED_SHARED_MODULE__STAGE_H + +#include "shared-bindings/busio/SPI.h" +#include <stdint.h> +#include <stdbool.h> +#include "py/obj.h" + +#define TRANSPARENT (0x1ff8) + +bool render_stage(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, + mp_obj_t *layers, size_t layers_size, + uint16_t *buffer, size_t buffer_size, + busio_spi_obj_t *spi); + +#endif // MICROPY_INCLUDED_SHARED_MODULE__STAGE |