/* * 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/OnDiskBitmap.h" #include #include "py/runtime.h" #include "py/objproperty.h" #include "shared-bindings/displayio/OnDiskBitmap.h" //| class OnDiskBitmap: //| """Loads values straight from disk. This minimizes memory use but can lead to //| much slower pixel load times. These load times may result in frame tearing where only part of //| the image is visible. //| //| It's easiest to use on a board with a built in display such as the `Hallowing M0 Express //| `_. //| //| .. code-block:: Python //| //| import board //| import displayio //| import time //| import pulseio //| //| board.DISPLAY.brightness = 0 //| splash = displayio.Group() //| board.DISPLAY.root_group = splash //| //| odb = displayio.OnDiskBitmap('/sample.bmp') //| face = displayio.TileGrid(odb, pixel_shader=odb.pixel_shader) //| splash.append(face) //| # Wait for the image to load. //| board.DISPLAY.refresh(target_frames_per_second=60) //| //| # Fade up the backlight //| for i in range(100): //| board.DISPLAY.brightness = 0.01 * i //| time.sleep(0.05) //| //| # Wait forever //| while True: //| pass""" //| //| def __init__(self, file: Union[str, typing.BinaryIO]) -> None: //| """Create an OnDiskBitmap object with the given file. //| //| :param file file: The name of the bitmap file. For backwards compatibility, a file opened in binary mode may also be passed. //| //| Older versions of CircuitPython required a file opened in binary //| mode. CircuitPython 7.0 modified OnDiskBitmap so that it takes a //| filename instead, and opens the file internally. A future version //| of CircuitPython will remove the ability to pass in an opened file. //| """ //| ... STATIC mp_obj_t displayio_ondiskbitmap_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) { mp_arg_check_num(n_args, n_kw, 1, 1, false); mp_obj_t arg = all_args[0]; if (mp_obj_is_str(arg)) { arg = mp_call_function_2(MP_OBJ_FROM_PTR(&mp_builtin_open_obj), arg, MP_ROM_QSTR(MP_QSTR_rb)); } if (!mp_obj_is_type(arg, &mp_type_fileio)) { mp_raise_TypeError(MP_ERROR_TEXT("file must be a file opened in byte mode")); } displayio_ondiskbitmap_t *self = mp_obj_malloc(displayio_ondiskbitmap_t, &displayio_ondiskbitmap_type); common_hal_displayio_ondiskbitmap_construct(self, MP_OBJ_TO_PTR(arg)); return MP_OBJ_FROM_PTR(self); } //| width: int //| """Width of the bitmap. (read only)""" STATIC mp_obj_t displayio_ondiskbitmap_obj_get_width(mp_obj_t self_in) { displayio_ondiskbitmap_t *self = MP_OBJ_TO_PTR(self_in); return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_ondiskbitmap_get_width(self)); } MP_DEFINE_CONST_FUN_OBJ_1(displayio_ondiskbitmap_get_width_obj, displayio_ondiskbitmap_obj_get_width); MP_PROPERTY_GETTER(displayio_ondiskbitmap_width_obj, (mp_obj_t)&displayio_ondiskbitmap_get_width_obj); //| height: int //| """Height of the bitmap. (read only)""" STATIC mp_obj_t displayio_ondiskbitmap_obj_get_height(mp_obj_t self_in) { displayio_ondiskbitmap_t *self = MP_OBJ_TO_PTR(self_in); return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_ondiskbitmap_get_height(self)); } MP_DEFINE_CONST_FUN_OBJ_1(displayio_ondiskbitmap_get_height_obj, displayio_ondiskbitmap_obj_get_height); MP_PROPERTY_GETTER(displayio_ondiskbitmap_height_obj, (mp_obj_t)&displayio_ondiskbitmap_get_height_obj); //| pixel_shader: Union[ColorConverter, Palette] //| """The image's pixel_shader. The type depends on the underlying //| bitmap's structure. The pixel shader can be modified (e.g., to set the //| transparent pixel or, for palette shaded images, to update the palette.)""" //| STATIC mp_obj_t displayio_ondiskbitmap_obj_get_pixel_shader(mp_obj_t self_in) { displayio_ondiskbitmap_t *self = MP_OBJ_TO_PTR(self_in); return common_hal_displayio_ondiskbitmap_get_pixel_shader(self); } MP_DEFINE_CONST_FUN_OBJ_1(displayio_ondiskbitmap_get_pixel_shader_obj, displayio_ondiskbitmap_obj_get_pixel_shader); const mp_obj_property_t displayio_ondiskbitmap_pixel_shader_obj = { .base.type = &mp_type_property, .proxy = {(mp_obj_t)&displayio_ondiskbitmap_get_pixel_shader_obj, (mp_obj_t)MP_ROM_NONE, (mp_obj_t)MP_ROM_NONE}, }; STATIC const mp_rom_map_elem_t displayio_ondiskbitmap_locals_dict_table[] = { { MP_ROM_QSTR(MP_QSTR_height), MP_ROM_PTR(&displayio_ondiskbitmap_height_obj) }, { MP_ROM_QSTR(MP_QSTR_pixel_shader), MP_ROM_PTR(&displayio_ondiskbitmap_pixel_shader_obj) }, { MP_ROM_QSTR(MP_QSTR_width), MP_ROM_PTR(&displayio_ondiskbitmap_width_obj) }, }; STATIC MP_DEFINE_CONST_DICT(displayio_ondiskbitmap_locals_dict, displayio_ondiskbitmap_locals_dict_table); MP_DEFINE_CONST_OBJ_TYPE( displayio_ondiskbitmap_type, MP_QSTR_OnDiskBitmap, MP_TYPE_FLAG_HAS_SPECIAL_ACCESSORS, make_new, displayio_ondiskbitmap_make_new, locals_dict, &displayio_ondiskbitmap_locals_dict );