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Hex string custom palette option

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This commit is contained in:
Blaz Kristan 2022-12-18 21:02:19 +01:00
parent e7449b4d56
commit 0a0ced3e8e
1 changed files with 21 additions and 8 deletions
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29
wled00/FX_fcn.cpp
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@ -1512,14 +1512,27 @@ void WS2812FX::loadCustomPalettes()
if (readObjectFromFile(fileName, nullptr, &pDoc)) {
JsonArray pal = pDoc[F("palette")];
if (!pal.isNull() && pal.size()>7) { // not an empty palette (at least 2 entries)
size_t palSize = MIN(pal.size(), 72);
palSize -= palSize % 4; // make sure size is multiple of 4
for (size_t i=0; i<palSize && pal[i].as<int>()<256; i+=4) {
tcp[ i ] = (uint8_t) pal[ i ].as<int>(); // index
tcp[i+1] = (uint8_t) pal[i+1].as<int>(); // R
tcp[i+2] = (uint8_t) pal[i+2].as<int>(); // G
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]));
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);
palSize -= palSize % 4; // make sure size is multiple of 4
for (size_t i=0; i<palSize && pal[i].as<int>()<256; i+=4) {
tcp[ i ] = (uint8_t) pal[ i ].as<int>(); // index
tcp[i+1] = (uint8_t) pal[i+1].as<int>(); // R
tcp[i+2] = (uint8_t) pal[i+2].as<int>(); // G
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]));
}
}
customPalettes.push_back(targetPalette.loadDynamicGradientPalette(tcp));
}