drawingFunctions.java

private Bitmap drawOnImage() {
        int inlineMargins = 20, initialY = 20, linesDrawn = 0;
        // canvas points 1/72 of an inch
        Bitmap bitmap = getClearBitmap();
        Canvas canvas = new Canvas(bitmap);
        Paint paint = new Paint();
        Paint paintForComments = new Paint();
        paint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.BOLD));
        paintForComments.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.ITALIC));
        paintForComments.setTextSize(14);
        paint.setTextSize(17);

        Bitmap logo = BitmapFactory.decodeResource(getResources(), R.drawable.logo);
        Bitmap logoScaled = Bitmap.createScaledBitmap(logo, 124, 84, false);
        canvas.drawBitmap(logoScaled, 80, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn += 6;

        canvas.drawText("EATFULLY", 110, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        paint.setTextSize(13);
        canvas.drawText("Marmaris Grill", 105, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;
        canvas.drawText("tel. " + mActiveOrder.getTelephone(), 101, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        canvas.drawLine(15.0f, initialY + inlineMargins * linesDrawn, bitmap.getWidth() - 15.0f, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        paint.setTextSize(16);
        if (mIsCollection) {
            canvas.drawText("Collection", 119, initialY + inlineMargins * linesDrawn, paint);
            linesDrawn++;
        } else {
            canvas.drawText("Delivery", 119, initialY + inlineMargins * linesDrawn, paint);
            linesDrawn++;
            SimpleDateFormat formatter = new SimpleDateFormat("dd-MMM HH:mm");
            canvas.drawText("Due " + formatter.format(new Date()), 95, initialY + inlineMargins * linesDrawn, paint);
            linesDrawn++;
        }

        paint.setTextSize(14);
        canvas.drawText("Status: " + ActiveOrdersListAdapter.getStatusLabel(mActiveOrder.getStatus()).toUpperCase(),
                95, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        paint.setTextSize(16);
        canvas.drawText("Order number: " + mCurrentOrderID, 95, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        canvas.drawLine(15.0f, initialY + inlineMargins * linesDrawn, bitmap.getWidth() - 15.0f, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        paint.setTextSize(15);
        canvas.drawText("GBP", bitmap.getWidth() - 35.0f, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        int betweenLineMargin = 15, lineCount = 0;
        float yCoord = 120.0f, totalDue = 0.0f;
        for (String s: mData) {
            // encoded scheme name---qty---price
            String[] details = s.split("---");
            String nameNQnt = details[1] + " X " + details[0];

            String comment = "";
            if (mComments.containsKey(details[0]))
                comment = mComments.get(details[0]);

            if (nameNQnt.length() > 30)
                nameNQnt = nameNQnt.substring(0, 29) + "...";
            canvas.drawText(nameNQnt, 5, initialY + inlineMargins * linesDrawn, paint);
            canvas.drawText(DigitsAfterComaFloat.digitsAfterComa(Float.parseFloat(details[2]) + "", 2) + "", bitmap.getWidth() - 39, initialY + inlineMargins * linesDrawn, paint);
            if (!comment.isEmpty()) {
                initialY += 12;
                canvas.drawText(comment, 12, initialY + inlineMargins * linesDrawn, paintForComments);
            }
            totalDue += Float.parseFloat(details[2]);
            linesDrawn++;
        }
        Log.e("xxx", "ycoord: " + yCoord);

        canvas.drawText("Total Due", 5, initialY + inlineMargins * linesDrawn + 10, paint);
        canvas.drawText("" + DigitsAfterComaFloat.digitsAfterComa(totalDue + "", 2), bitmap.getWidth() - 39, initialY + inlineMargins * linesDrawn + 10, paint);
        Log.e("xxx", "ycoord: " + yCoord);
        linesDrawn++;

        canvas.drawLine(15.0f, initialY + inlineMargins * linesDrawn, bitmap.getWidth() - 15.0f, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        paint.setTextSize(16);
        if (mOrderPayed) {
            canvas.drawText("MONEY RECEIVED", 90, initialY + inlineMargins * linesDrawn, paint);
        } else {
            canvas.drawText("ORDER NOT PAID", 90, initialY + inlineMargins * linesDrawn, paint);
        }
        linesDrawn++;

        canvas.drawLine(15.0f, initialY + inlineMargins * linesDrawn, bitmap.getWidth() - 15.0f, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        if (!mActiveOrder.getStreet().equals("default collection")) {
            paint.setTextSize(13);
            canvas.drawText("Customer details:", 5, initialY + inlineMargins * linesDrawn, paint);
            linesDrawn++;

            paint.setTextSize(14);
            canvas.drawText(mActiveOrder.getFirstname(), 5, initialY + inlineMargins * linesDrawn, paint);
            linesDrawn++;
        }

        if (!mActiveOrder.getStreet().contains("collection")) {

            canvas.drawText(mActiveOrder.getStreet() + ", " + mActiveOrder.getCity(), 5, initialY + inlineMargins * linesDrawn, paint);
            linesDrawn++;
        }

        paint.setTextSize(13);
        canvas.drawText("Order placed at", 5, initialY + inlineMargins * linesDrawn, paint);
        canvas.drawText(mActiveOrder.getDate(), bitmap.getWidth() - 125, initialY + inlineMargins * linesDrawn, paint);
        linesDrawn++;

        return bitmap;
    }

    public Bitmap getClearBitmap() {
        int w = 94 * 3, h = 150 * 3;

        Bitmap.Config conf = Bitmap.Config.ARGB_8888; // see other conf types
        Bitmap bmp = Bitmap.createBitmap(w, h, conf);

        return bmp;
    }