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Change ops to use ArrayBuffer instead of byteArray

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This commit is contained in:
j433866 2019-04-01 10:54:46 +01:00
parent c2496fe63e
commit e44a22e143
18 changed files with 194 additions and 177 deletions
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21
src/core/operations/DitherImage.mjs
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@ -25,25 +25,25 @@ class DitherImage extends Operation {
this.module = "Image";
this.description = "Apply a dither effect to an image.";
this.infoURL = "https://wikipedia.org/wiki/Dither";
this.inputType = "byteArray";
this.outputType = "byteArray";
this.inputType = "ArrayBuffer";
this.outputType = "ArrayBuffer";
this.presentType = "html";
this.args = [];
}
/**
* @param {byteArray} input
* @param {ArrayBuffer} input
* @param {Object[]} args
* @returns {byteArray}
*/
async run(input, args) {
if (!isImage(input)) {
if (!isImage(new Uint8Array(input))) {
throw new OperationError("Invalid file type.");
}
let image;
try {
image = await jimp.read(Buffer.from(input));
image = await jimp.read(input);
} catch (err) {
throw new OperationError(`Error loading image. (${err})`);
}
@ -58,7 +58,7 @@ class DitherImage extends Operation {
} else {
imageBuffer = await image.getBufferAsync(jimp.AUTO);
}
return [...imageBuffer];
return imageBuffer.buffer;
} catch (err) {
throw new OperationError(`Error applying dither to image. (${err})`);
}
@ -66,18 +66,19 @@ class DitherImage extends Operation {
/**
* Displays the dithered image using HTML for web apps
* @param {byteArray} data
* @param {ArrayBuffer} data
* @returns {html}
*/
present(data) {
if (!data.length) return "";
if (!data.byteLength) return "";
const dataArray = new Uint8Array(data);
const type = isImage(data);
const type = isImage(dataArray);
if (!type) {
throw new OperationError("Invalid file type.");
}
return `<img src="data:${type};base64,${toBase64(data)}">`;
return `<img src="data:${type};base64,${toBase64(dataArray)}">`;
}
}