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Changed color definition to use hex strings

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This commit is contained in:
Dirk Jahnke
2017-12-22 16:07:38 +01:00
parent 4aeebe1b33
commit 6ec2d66fb0
2 changed files with 70 additions and 19 deletions
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57
fs/init.js
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@@ -97,6 +97,54 @@ function allLedOff() {
NeoPixel_show();
}
function validateColor(color) {
if (color.name.length === 0) {
print('ERROR: Color name missing!');
return false;
}
if ((color.color.length !== 4 && color.color.length !== 7) || color.color[0] !== '#') {
print('ERROR: Color', color.name, 'has an invalid color definition.');
print(' Is:', color.color, ' but should #rgb where r/g/b is a 1-digit hex number in the range of 0..9a..f or #RGB where R/G/B is a 2-digit hex number');
return false;
}
for (let i=0; i<color.color.length; ++i) {
if (color.color[i] < '0' || (color.color[i] > '9' && (color.color[i] < 'a' || color.color[i] > 'f'))) {
print('ERROR: Color', color.name, 'has an invalid color definition.');
print(' Is:', color.color, ' but should #rgb where r/g/b is a 1-digit hex number in the range of 0..9a..f or #RGB where R/G/B is a 2-digit hex number');
return false;
}
}
return true;
}
function hexToDec(digit) {
if (digit >= 'a') return digit - 'a';
else if (digit >= 'A') return digit - 'A';
else return digit - '0';
}
function getRedOfColorString(color) {
if (color.length === 4) {
return hexToDec(color.color[1]);
} else {
return hexToDec(color.color[1]) * 16 + hexToDec(color.color[2]);
}
}
function getGreenOfColorString(color) {
if (color.length === 4) {
return hexToDec(color.color[2]);
} else {
return hexToDec(color.color[3]) * 16 + hexToDec(color.color[4]);
}
}
function getBlueOfColorString(color) {
if (color.length === 4) {
return hexToDec(color.color[3]);
} else {
return hexToDec(color.color[5]) * 16 + hexToDec(color.color[6]);
}
}
function loadColorDefs() {
// Load Color definitions
let json = File.read(colorFile);
@@ -109,7 +157,10 @@ function loadColorDefs() {
colors = JSON.parse(json);
}
for (i=0; i<colors.length; ++i) {
print('- addColor', colors[i].name, colors[i].red, colors[i].green, colors[i].blue);
print('- addColor', colors[i].name, colors[i].color);
colors[i].red = getRedOfColorString(colors[i]);
colors[i].green = getGreenOfColorString(colors[i]);
colors[i].blue = getBlueOfColorString(colors[i]);
addColor(colors[i].name, colors[i].red, colors[i].green, colors[i].blue);
}
json = null;
@@ -327,11 +378,11 @@ function recoverFile(filename) {
}
print(' led.putColors');
RPC.addHandler('led.putColors', function(args) {
if (args !== undefined && args.colors !== undefined) {
if (args !== undefined && args.colors !== undefined && args.colors[0] !== undefined && args.colors[0].name !== undefined && args.colors[0].color !== undefined) {
saveFile(colorFile, args.colors);
return { result: 'ok' };
} else {
return { error: 'colors: {name, red, green, blue} is required' };
return { error: 'colors: {name, color} is required' };
}
}, null);
print(' led.putLamps');