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Implement cammy_photo_export()

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XANTRONIX Development 2016-05-15 01:02:18 -05:00
parent 2bc5aaf634
commit 94f78b14e1
1 changed files with 27 additions and 1 deletions
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28
src/photo.c
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@ -69,7 +69,33 @@ static uint32_t bayer_matrix[256] = {
0x0203ffff, 0x0203ffff, 0x0203ffff, 0x0203ffff, 0x0203ffff,
};
void cammy_photo_import(cammy_photo *dest, uint8_t *src) {
void cammy_photo_export(cammy_photo *src, uint8_t *dest, int stride) {
static uint8_t values[4] = {
0, 86, 171, 255
};
size_t x, y;
for (y=0; y<CAMMY_PHOTO_HEIGHT; y++) {
for (x=0; x<CAMMY_PHOTO_WIDTH; x++) {
cammy_tile *tile = &src->tiles[y>>3][x>>3];
int tile_x = x & 7,
tile_y = y & 7;
uint8_t value = 0;
value |= (tile->data[ tile_y<<1] & (8 >> tile_x))
| ((tile->data[(tile_y<<1)+1] & (8 >> tile_x)) << 1);
value ^= 3;
dest[stride*CAMMY_PHOTO_WIDTH*y+stride*x] = values[value];
dest[stride*CAMMY_PHOTO_WIDTH*y+stride*x+1] = values[value];
dest[stride*CAMMY_PHOTO_WIDTH*y+stride*x+2] = values[value];
}
}
}
void cammy_photo_import(cammy_photo *dest, uint8_t *src, int stride) {
size_t x, y;