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Add error handling

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This commit is contained in:
j433866 2019-03-07 11:19:04 +00:00
parent 4a7ea469d4
commit 1031429550
14 changed files with 348 additions and 144 deletions
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72
src/core/operations/ImageHueSaturationLightness.mjs
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@ -66,40 +66,48 @@ class ImageHueSaturationLightness extends Operation {
throw new OperationError("Invalid file type.");
}
const image = await jimp.read(Buffer.from(input));
if (hue !== 0) {
if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Changing image hue...");
image.colour([
{
apply: "hue",
params: [hue]
}
]);
let image;
try {
image = await jimp.read(Buffer.from(input));
} catch (err) {
throw new OperationError(`Error loading image. (${err})`);
}
if (saturation !== 0) {
if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Changing image saturation...");
image.colour([
{
apply: "saturate",
params: [saturation]
}
]);
try {
if (hue !== 0) {
if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Changing image hue...");
image.colour([
{
apply: "hue",
params: [hue]
}
]);
}
if (saturation !== 0) {
if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Changing image saturation...");
image.colour([
{
apply: "saturate",
params: [saturation]
}
]);
}
if (lightness !== 0) {
if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Changing image lightness...");
image.colour([
{
apply: "lighten",
params: [lightness]
}
]);
}
const imageBuffer = await image.getBufferAsync(jimp.AUTO);
return [...imageBuffer];
} catch (err) {
throw new OperationError(`Error adjusting image hue / saturation / lightness. (${err})`);
}
if (lightness !== 0) {
if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Changing image lightness...");
image.colour([
{
apply: "lighten",
params: [lightness]
}
]);
}
const imageBuffer = await image.getBufferAsync(jimp.AUTO);
return [...imageBuffer];
}
/**