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Merge pull request #4426 from kmatch98/main 

Add getter for displayio.Palette item transparency/opacity.
This commit is contained in:
Scott Shawcroft 2021-03-17 18:13:39 -07:00 committed by GitHub
parent 588e4b8421 592f89f6ae
commit 670375dc0d
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 21 additions and 0 deletions
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16
shared-bindings/displayio/Palette.c
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@ -180,9 +180,25 @@ STATIC mp_obj_t displayio_palette_obj_make_opaque(mp_obj_t self_in, mp_obj_t pal
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_palette_make_opaque_obj, displayio_palette_obj_make_opaque);
//| def is_transparent(self, palette_index: int) -> bool:
//| """Returns `True` if the palette index is transparent. Returns `False` if opaque."""
//| ...
//|
STATIC mp_obj_t displayio_palette_obj_is_transparent(mp_obj_t self_in, mp_obj_t palette_index_obj) {
displayio_palette_t *self = MP_OBJ_TO_PTR(self_in);
mp_int_t palette_index;
if (!mp_obj_get_int_maybe(palette_index_obj, &palette_index)) {
mp_raise_ValueError(translate("palette_index should be an int"));
}
return mp_obj_new_bool(common_hal_displayio_palette_is_transparent(self, palette_index));
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_palette_is_transparent_obj, displayio_palette_obj_is_transparent);
STATIC const mp_rom_map_elem_t displayio_palette_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_make_transparent), MP_ROM_PTR(&displayio_palette_make_transparent_obj) },
{ MP_ROM_QSTR(MP_QSTR_make_opaque), MP_ROM_PTR(&displayio_palette_make_opaque_obj) },
{ MP_ROM_QSTR(MP_QSTR_is_transparent), MP_ROM_PTR(&displayio_palette_is_transparent_obj) },
};
STATIC MP_DEFINE_CONST_DICT(displayio_palette_locals_dict, displayio_palette_locals_dict_table);

1
shared-bindings/displayio/Palette.h
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@ -38,5 +38,6 @@ uint32_t common_hal_displayio_palette_get_len(displayio_palette_t *self);
void common_hal_displayio_palette_make_opaque(displayio_palette_t *self, uint32_t palette_index);
void common_hal_displayio_palette_make_transparent(displayio_palette_t *self, uint32_t palette_index);
bool common_hal_displayio_palette_is_transparent(displayio_palette_t *self, uint32_t palette_index);
#endif // MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO_PALETTE_H

4
shared-module/displayio/Palette.c
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@ -43,6 +43,10 @@ void common_hal_displayio_palette_make_transparent(displayio_palette_t *self, ui
self->needs_refresh = true;
}
bool common_hal_displayio_palette_is_transparent(displayio_palette_t *self, uint32_t palette_index) {
return self->colors[palette_index].transparent;
}
uint32_t common_hal_displayio_palette_get_len(displayio_palette_t *self) {
return self->color_count;
}