Hex string custom palette option

This commit is contained in:
Blaz Kristan 2022-12-18 21:02:19 +01:00
parent e7449b4d56
commit 0a0ced3e8e

View File

@ -1512,6 +1512,18 @@ void WS2812FX::loadCustomPalettes()
if (readObjectFromFile(fileName, nullptr, &pDoc)) { if (readObjectFromFile(fileName, nullptr, &pDoc)) {
JsonArray pal = pDoc[F("palette")]; JsonArray pal = pDoc[F("palette")];
if (!pal.isNull() && pal.size()>7) { // not an empty palette (at least 2 entries) if (!pal.isNull() && pal.size()>7) { // not an empty palette (at least 2 entries)
if (pal[0].is<int>() && pal[1].is<const char *>()) {
// we have an array of index & hex strings
size_t palSize = MIN(pal.size(), 36);
palSize -= palSize % 2; // make sure size is multiple of 2
for (size_t i=0, j=0; i<palSize && pal[i].as<int>()<256; i+=2, j+=4) {
uint8_t rgbw[] = {0,0,0,0};
tcp[ j ] = (uint8_t) pal[ i ].as<int>(); // index
colorFromHexString(rgbw, pal[i+1].as<const char *>()); // will catch non-string entires
for (size_t c=0; c<3; c++) tcp[j+c] = rgbw[c]; // only use RGB component
DEBUG_PRINTF("%d(%d) : %d %d %d\n", i, int(tcp[i]), int(tcp[i+1]), int(tcp[i+2]), int(tcp[i+3]));
}
} else {
size_t palSize = MIN(pal.size(), 72); size_t palSize = MIN(pal.size(), 72);
palSize -= palSize % 4; // make sure size is multiple of 4 palSize -= palSize % 4; // make sure size is multiple of 4
for (size_t i=0; i<palSize && pal[i].as<int>()<256; i+=4) { for (size_t i=0; i<palSize && pal[i].as<int>()<256; i+=4) {
@ -1521,6 +1533,7 @@ void WS2812FX::loadCustomPalettes()
tcp[i+3] = (uint8_t) pal[i+3].as<int>(); // B tcp[i+3] = (uint8_t) pal[i+3].as<int>(); // B
DEBUG_PRINTF("%d(%d) : %d %d %d\n", i, int(tcp[i]), int(tcp[i+1]), int(tcp[i+2]), int(tcp[i+3])); DEBUG_PRINTF("%d(%d) : %d %d %d\n", i, int(tcp[i]), int(tcp[i+1]), int(tcp[i+2]), int(tcp[i+3]));
} }
}
customPalettes.push_back(targetPalette.loadDynamicGradientPalette(tcp)); customPalettes.push_back(targetPalette.loadDynamicGradientPalette(tcp));
} }
} }