From 56de7480394aaced1ac61b8f278484def9e01c18 Mon Sep 17 00:00:00 2001 From: Andreas Fitzek Date: Tue, 23 Feb 2016 13:33:34 +0100 Subject: parameter for placeholder size generation added, and default values (250x85) --- .../web/servlets/PlaceholderGeneratorServlet.java | 80 ++++++++++++++++++---- 1 file changed, 65 insertions(+), 15 deletions(-) (limited to 'pdf-as-web/src/main/java/at') diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PlaceholderGeneratorServlet.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PlaceholderGeneratorServlet.java index bd64c75d..f27a0e81 100644 --- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PlaceholderGeneratorServlet.java +++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PlaceholderGeneratorServlet.java @@ -36,6 +36,11 @@ public class PlaceholderGeneratorServlet extends HttpServlet implements Placehol public static final String PARAM_ID = "id"; public static final String PARAM_PROFILE = "profile"; + public static final String PARAM_WIDTH = "w"; + public static final String PARAM_HEIGHT = "h"; + public static final String PARAM_BORDER = "b"; + + public static final int MAX_SIZE = 1024; private static final Logger logger = LoggerFactory .getLogger(ExternSignServlet.class); @@ -90,7 +95,40 @@ public class PlaceholderGeneratorServlet extends HttpServlet implements Placehol //if(id != null || profile != null) { // We need to generate the image - + // default values set for pdf-as wai on buergerkarte.at + int height = 85; + int width = 250; + int border = 2; + + if(req.getParameter(PARAM_HEIGHT) != null) { + try { + height = Integer.parseInt(req.getParameter(PARAM_HEIGHT)); + } catch(NumberFormatException e) { + logger.info("Parameter {} has to be a number.", PARAM_HEIGHT); + resp.sendError(HttpStatus.SC_NOT_ACCEPTABLE); + } + } + + if(req.getParameter(PARAM_WIDTH) != null) { + try { + width = Integer.parseInt(req.getParameter(PARAM_WIDTH)); + } catch(NumberFormatException e) { + logger.info("Parameter {} has to be a number.", PARAM_WIDTH); + resp.sendError(HttpStatus.SC_NOT_ACCEPTABLE); + } + } + + if(req.getParameter(PARAM_BORDER) != null) { + try { + border = Integer.parseInt(req.getParameter(PARAM_BORDER)); + } catch(NumberFormatException e) { + logger.info("Parameter {} has to be a number.", PARAM_BORDER); + resp.sendError(HttpStatus.SC_NOT_ACCEPTABLE); + } + } + + int qrSize = height - ( 2 * border); + InputStream is = this.getClass().getClassLoader().getResourceAsStream(baseImage); if(is == null) { logger.warn("Cannot open resource {} to generator QR placeholder", baseImage); @@ -102,7 +140,7 @@ public class PlaceholderGeneratorServlet extends HttpServlet implements Placehol // generate QR code try { - QRCodeGenerator.generateQRCode(buildString, baos, 90); + QRCodeGenerator.generateQRCode(buildString, baos, qrSize); } catch (WriterException e) { logger.warn("Failed to generate QR Code for placeholder generationg", e); resp.sendError(HttpStatus.SC_INTERNAL_SERVER_ERROR); @@ -110,39 +148,51 @@ public class PlaceholderGeneratorServlet extends HttpServlet implements Placehol } baos.close(); - - BufferedImage base = ImageIO.read(is); BufferedImage qr = ImageIO.read(new ByteArrayInputStream(baos.toByteArray())); BufferedImage off_Image = - new BufferedImage(250, 98, + new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); Graphics g = off_Image.getGraphics(); - g.drawImage(base, 0, 0, 250, 98, 0, 0, base.getWidth(), base.getHeight(), null); - g.drawImage(qr, 4, 4, 94, 94, 0, 0, qr.getWidth(), qr.getHeight(), null); + g.setColor(Color.BLUE); + g.fillRect(0, 0, width, height); g.setColor(Color.WHITE); - g.fillRect(94, 4, 152, 90); + g.fillRect(border, border, width - (2 * border), height - (2 * border)); + //g.drawImage(base, 0, 0, 250, 98, 0, 0, base.getWidth(), base.getHeight(), null); + g.drawImage(qr, border, border, qrSize + border, qrSize + border, 0, 0, qr.getWidth(), qr.getHeight(), null); + //g.(x, y, width, height); Font writeFont = new Font(Font.SANS_SERIF, Font.BOLD, 14); g.setFont(writeFont); g.setColor(Color.BLACK); + int lineSpace = 14 + 4; + + int textHeight = 3 * lineSpace; + + if(id != null && !id.isEmpty()) { + textHeight = 4 * lineSpace; + } + + int start = (height - textHeight) / 2; + if(profile != null && profile.endsWith("_EN")) { - g.drawString("placeholder for", 102, 13+18); - g.drawString("the electronic", 102, 13+18 + 18); - g.drawString("signature", 102, 13+18 + 18 + 18); + + g.drawString("placeholder for", qrSize + ( 3 * border), start + lineSpace); + g.drawString("the electronic", qrSize + ( 3 * border), start + (2 * lineSpace)); + g.drawString("signature", qrSize + ( 3 * border), start + (3 * lineSpace)); } else { - g.drawString("Platzhalter für", 102, 13+18); - g.drawString("die elektronische", 102, 13+18 + 18); - g.drawString("Signatur", 102, 13+18 + 18 + 18); + g.drawString("Platzhalter für", qrSize + ( 3 * border), start + lineSpace); + g.drawString("die elektronische", qrSize + ( 3 * border), start + (2 * lineSpace)); + g.drawString("Signatur", qrSize + ( 3 * border), start + (3 * lineSpace)); } if(id != null && !id.isEmpty()) { Font nrFont = new Font(Font.SANS_SERIF, Font.BOLD | Font.ITALIC, 14); g.setFont(nrFont); - g.drawString("NR: " + id, 102, 13+18 + 18 + 18 + 18); + g.drawString("NR: " + id, qrSize + ( 3 * border), start + (4 * lineSpace)); } logger.info("serving qr placeholder for '{}'", buildString); -- cgit v1.2.3