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/*
* 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"
#include "shared-bindings/displayio/ColorConverter.h"
#include "shared-bindings/displayio/OnDiskBitmap.h"
#include "shared-bindings/displayio/Palette.h"
#include "shared-bindings/displayio/Shape.h"
void common_hal_displayio_sprite_construct(displayio_sprite_t *self, mp_obj_t bitmap,
mp_obj_t pixel_shader, uint16_t width, uint16_t height, uint16_t x, uint16_t y) {
self->width = width;
self->height = height;
self->bitmap = bitmap;
self->pixel_shader = pixel_shader;
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;
}
mp_obj_t common_hal_displayio_sprite_get_pixel_shader(displayio_sprite_t *self) {
return self->pixel_shader;
}
void common_hal_displayio_sprite_set_pixel_shader(displayio_sprite_t *self, mp_obj_t pixel_shader) {
self->pixel_shader = pixel_shader;
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 = 0;
if (MP_OBJ_IS_TYPE(self->bitmap, &displayio_bitmap_type)) {
value = common_hal_displayio_bitmap_get_pixel(self->bitmap, x, y);
} else if (MP_OBJ_IS_TYPE(self->bitmap, &displayio_shape_type)) {
value = common_hal_displayio_shape_get_pixel(self->bitmap, x, y);
} else if (MP_OBJ_IS_TYPE(self->bitmap, &displayio_ondiskbitmap_type)) {
value = common_hal_displayio_ondiskbitmap_get_pixel(self->bitmap, x, y);
}
if (self->pixel_shader == mp_const_none) {
*pixel = value;
return true;
} else if (MP_OBJ_IS_TYPE(self->pixel_shader, &displayio_palette_type) && displayio_palette_get_color(self->pixel_shader, value, pixel)) {
return true;
} else if (MP_OBJ_IS_TYPE(self->pixel_shader, &displayio_colorconverter_type) && common_hal_displayio_colorconverter_convert(self->pixel_shader, value, pixel)) {
return true;
}
return false;
}
bool displayio_sprite_needs_refresh(displayio_sprite_t *self) {
return self->needs_refresh || displayio_palette_needs_refresh(self->pixel_shader);
}
void displayio_sprite_finish_refresh(displayio_sprite_t *self) {
self->needs_refresh = false;
displayio_palette_finish_refresh(self->pixel_shader);
// 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.
}
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