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Fix parsing PDF with transparent background #2182

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Merged
TheLastProject merged 1 commit into from
Nov 21, 2024
Merged

Fix parsing PDF with transparent background #2182

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8 changes: 8 additions & 0 deletions app/src/main/java/protect/card_locker/Utils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ImageDecoder;
import android.graphics.Matrix;
Expand Down Expand Up @@ -194,6 +195,13 @@ static public List<BarcodeValues> retrieveBarcodesFromPdf(Context context, Uri u
for (int i = 0; i < renderer.getPageCount(); i++) {
PdfRenderer.Page page = renderer.openPage(i);
renderedPage = Bitmap.createBitmap(page.getWidth(), page.getHeight(), Bitmap.Config.ARGB_8888);

// Ensure the page has a background
// Fixes some transparent PDF files not being read well
Canvas canvas = new Canvas(renderedPage);
canvas.drawColor(Color.WHITE);
canvas.drawBitmap(renderedPage, 0, 0, null);

page.render(renderedPage, null, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY);
page.close();

Expand Down