103 lines
4.0 KiB
C
103 lines
4.0 KiB
C
/*
|
|
* 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.
|
|
}
|