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Add opaque background option

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This commit is contained in:
j433866 2019-03-18 09:43:37 +00:00
parent e95b7075b9
commit 8e74acbf3e
1 changed files with 13 additions and 1 deletions
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14
src/core/operations/ContainImage.mjs
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@ -72,6 +72,11 @@ class ContainImage extends Operation {
"Bezier" "Bezier"
], ],
defaultIndex: 1 defaultIndex: 1
},
{
name: "Opaque background",
type: "boolean",
value: true
} }
]; ];
} }
@ -82,7 +87,7 @@ class ContainImage extends Operation {
* @returns {byteArray} * @returns {byteArray}
*/ */
async run(input, args) { async run(input, args) {
const [width, height, hAlign, vAlign, alg] = args; const [width, height, hAlign, vAlign, alg, opaqueBg] = args;
const resizeMap = { const resizeMap = {
"Nearest Neighbour": jimp.RESIZE_NEAREST_NEIGHBOR, "Nearest Neighbour": jimp.RESIZE_NEAREST_NEIGHBOR,
@ -115,6 +120,13 @@ class ContainImage extends Operation {
if (ENVIRONMENT_IS_WORKER()) if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Containing image..."); self.sendStatusMessage("Containing image...");
image.contain(width, height, alignMap[hAlign] | alignMap[vAlign], resizeMap[alg]); image.contain(width, height, alignMap[hAlign] | alignMap[vAlign], resizeMap[alg]);
if (opaqueBg) {
const newImage = await jimp.read(width, height, 0x000000FF);
newImage.blit(image, 0, 0);
image = newImage;
}
const imageBuffer = await image.getBufferAsync(jimp.AUTO); const imageBuffer = await image.getBufferAsync(jimp.AUTO);
return [...imageBuffer]; return [...imageBuffer];
} catch (err) { } catch (err) {