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feat: fix bug for remove blank pages tool. added i18n translations

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This commit is contained in:
alam00000
2026-03-03 23:34:55 +05:30
parent 5fbf48601e
commit 2aaea50031
19 changed files with 314 additions and 252 deletions
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19
src/js/workflow/nodes/remove-blank-pages-node.ts
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@@ -23,7 +23,7 @@ export class RemoveBlankPagesNode extends BaseWorkflowNode {
private async isPageBlank(
page: pdfjsLib.PDFPageProxy,
threshold: number
maxNonWhitePercent: number
): Promise<boolean> {
const viewport = page.getViewport({ scale: 0.5 });
const canvas = document.createElement('canvas');
@@ -34,12 +34,14 @@ export class RemoveBlankPagesNode extends BaseWorkflowNode {
const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
const data = imageData.data;
let totalBrightness = 0;
const totalPixels = data.length / 4;
let nonWhitePixels = 0;
for (let i = 0; i < data.length; i += 4) {
totalBrightness += (data[i] + data[i + 1] + data[i + 2]) / 3;
const brightness = (data[i] + data[i + 1] + data[i + 2]) / 3;
if (brightness < 240) nonWhitePixels++;
}
const avgBrightness = totalBrightness / (data.length / 4);
return avgBrightness > threshold;
const nonWhitePercent = (nonWhitePixels / totalPixels) * 100;
return nonWhitePercent <= maxNonWhitePercent;
}
async data(
@@ -50,7 +52,10 @@ export class RemoveBlankPagesNode extends BaseWorkflowNode {
const threshCtrl = this.controls['threshold'] as
| ClassicPreset.InputControl<'number'>
| undefined;
const threshold = Math.max(200, Math.min(255, threshCtrl?.value ?? 250));
const maxNonWhitePercent = Math.max(
0.1,
Math.min(5, threshCtrl?.value ?? 0.5)
);
return {
pdf: await processBatch(pdfInputs, async (input) => {
@@ -61,7 +66,7 @@ export class RemoveBlankPagesNode extends BaseWorkflowNode {
for (let i = 1; i <= pdfjsDoc.numPages; i++) {
const page = await pdfjsDoc.getPage(i);
const blank = await this.isPageBlank(page, threshold);
const blank = await this.isPageBlank(page, maxNonWhitePercent);
if (!blank) {
nonBlankIndices.push(i - 1);
} else {