CODEWITHSUNDEEP
javaandroidpdfemoji
casaram
casaram

Reputation: 484

Rendering a PDF with emojis using PrintedPdfDocument

I'm using Android's built-in PrintedPdfDocument to draw PDFs with a Canvas as outlined in this document's example code:

private void drawPage(PdfDocument.Page page) {
  Canvas canvas = page.getCanvas();

  // units are in points (1/72 of an inch)
  int titleBaseLine = 72;
  int leftMargin = 54;

  Paint paint = new Paint();
  paint.setColor(Color.BLACK);
  paint.setTextSize(36);
  canvas.drawText("Test Title", leftMargin, titleBaseLine, paint);

  paint.setTextSize(11);
  canvas.drawText("Test paragraph", leftMargin, titleBaseLine + 25, paint);

  paint.setColor(Color.BLUE);
  canvas.drawRect(100, 100, 172, 172, paint);
}

Is it possible to add emoji text to this document? I cannot figure out how to set character sets/encodings.

Whenever I try adding emoji output it shows up garbled in the pdf.

This is the code which saves the pdf:

mPdfDocument = new PrintedPdfDocument(context, printAttributes);
mCurrentPage = mPdfDocument.startPage(1);
Canvas canvas = mCurrentPage.getCanvas();
... // add stuff to canvas
mPdfDocument.finishPage(mCurrentPage);
FileOutputStream fos = new FileOutputStream(new File(path));
mPdfDocument.writeTo(fos);
fos.close();

Thanks!

Upvotes: 1

Views: 925

Answers (2)

casaram
casaram

Reputation: 484

I got the answer. Here is some sample code:

Typeface typeface = Typeface.createFromAsset(context.getAssets(), "fonts/OpenSansEmoji.ttf");
paint.setTypeface(typeface);

You can find the OpenSansEmoji.ttf typeface here or find some other emoji font.

Place this file in your assets/fonts folder in your Android project.

Upvotes: 1

Arnulfo Arroyo
Arnulfo Arroyo

Reputation: 208

Create a string with the unicode value of the emoji. Then pass the string to drawText method:

String smileyFace = new String(Character.toChars(0x1F603))); //0x1F603 = Smile emoji canvas.drawText(smileyFace, leftMargin, titleBaseLine, paint);

Upvotes: 0

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