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Code Issues Releases Wiki Activity

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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21
src/core/operations/DitherImage.mjs
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@@ -40,12 +40,21 @@ class DitherImage extends Operation {
const type = Magic.magicFileType(input);
if (type && type.mime.indexOf("image") === 0){
const image = await jimp.read(Buffer.from(input));
if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Applying dither to image...");
image.dither565();
const imageBuffer = await image.getBufferAsync(jimp.AUTO);
return [...imageBuffer];
let image;
try {
image = await jimp.read(Buffer.from(input));
} catch (err) {
throw new OperationError(`Error loading image. (${err})`);
}
try {
if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Applying dither to image...");
image.dither565();
const imageBuffer = await image.getBufferAsync(jimp.AUTO);
return [...imageBuffer];
} catch (err) {
throw new OperationError(`Error applying dither to image. (${err})`);
}
} else {
throw new OperationError("Invalid file type.");
}