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Fix parsing PDF with transparent background

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Sylvia van Os
2024-11-18 22:03:41 +01:00
parent c228d274b5
commit 389372e8f3
1 changed files with 8 additions and 0 deletions
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8
app/src/main/java/protect/card_locker/Utils.java
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@@ -9,6 +9,7 @@ import android.content.res.Resources;
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;
@@ -194,6 +195,13 @@ public class Utils {
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();