uint8_t NEO_GetPixelColor(NEO_PixelIdxT column, NEO_PixelIdxT row, uint32_t *rgb) {
uint8_t res, r,g,b;
res = NEO_GetPixelRGB(column, row, &r, &g, &b);
*rgb = (r<<16)|(g<<8)|b;
return res;
}
uint8_t NEO_GetPixelColor(NEO_PixelIdxT pixelNo, uint32_t *rgb) {
uint8_t res, r,g,b;
res = NEO_GetPixelRGB(pixelNo, &r, &g, &b);
*rgb = (r<<16)|(g<<8)|b;
return res;
}
/* binary XOR the color of an individual pixel */
uint8_t NEO_XorPixelRGB(NEO_PixelIdxT x, NEO_PixelIdxT y, uint8_t red, uint8_t green, uint8_t blue) {
uint8_t r, g, b;
if (x>=NEO_NOF_X || y>=NEO_NOF_Y) {
return ERR_RANGE; /* error, out of range */
}
NEO_GetPixelRGB(x, y, &r, &g, &b);
r ^= red;
b ^= blue;
g ^= blue;
NEO_SetPixelRGB(x, y, red, green, blue);
return ERR_OK;
}
/* binary XOR the color of an individual pixel */
uint8_t NEO_XorPixelRGB(NEO_PixelIdxT pixelNo, uint8_t red, uint8_t green, uint8_t blue) {
uint8_t r, g, b;
if (pixelNo>=NEO_NOF_PIXEL) {
return ERR_RANGE; /* error, out of range */
}
NEO_GetPixelRGB(pixelNo, &r, &g, &b);
r ^= red;
b ^= blue;
g ^= blue;
NEO_SetPixelRGB(pixelNo, red, green, blue);
return ERR_OK;
}
uint8_t NEO_DimmPercentPixel(NEO_PixelIdxT x, NEO_PixelIdxT y, uint8_t percent) {
uint8_t red, green, blue;
uint32_t dRed, dGreen, dBlue;
uint8_t res;
res = NEO_GetPixelRGB(x, y, &red, &green, &blue);
if (res != ERR_OK) {
return res;
}
dRed = ((uint32_t)red*(100-percent))/100;
dGreen = ((uint32_t)green*(100-percent))/100;
dBlue = ((uint32_t)blue*(100-percent))/100;
return NEO_SetPixelRGB(x, y, (uint8_t)dRed, (uint8_t)dGreen, (uint8_t)dBlue);
}
