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add config variable to disable zbar scanning

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This commit is contained in:
Craig Raw 2023-07-17 08:48:34 +02:00
parent 96fd824a3e
commit 30a9c1208a
2 changed files with 38 additions and 21 deletions
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9
src/main/java/com/sparrowwallet/sparrow/io/Config.java
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@ -58,6 +58,7 @@ public class Config {
private int enumerateHwPeriod = ENUMERATE_HW_PERIOD_SECS;
private QRDensity qrDensity;
private Boolean hdCapture;
private Boolean zbarScan;
private String webcamDevice;
private ServerType serverType;
private Server publicElectrumServer;
@ -404,6 +405,14 @@ public class Config {
flush();
}
public Boolean isZbarScan() {
return zbarScan == null || zbarScan;
}
public void setZbarScan(Boolean zbarScan) {
this.zbarScan = zbarScan;
}
public String getWebcamDevice() {
return webcamDevice;
}

50
src/main/java/net/sourceforge/zbar/ZBar.java
View file

@ -15,7 +15,11 @@ public class ZBar {
private final static boolean enabled;
static { // static initializer
enabled = loadLibrary();
if(com.sparrowwallet.sparrow.io.Config.get().isZbarScan()) {
enabled = loadLibrary();
} else {
enabled = false;
}
}
public static boolean isEnabled() {
@ -23,34 +27,38 @@ public class ZBar {
}
public static Scan scan(BufferedImage bufferedImage) {
BufferedImage grayscale = new BufferedImage(bufferedImage.getWidth(), bufferedImage.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
Graphics2D g2d = (Graphics2D)grayscale.getGraphics();
g2d.drawImage(bufferedImage, 0, 0, null);
g2d.dispose();
try {
BufferedImage grayscale = new BufferedImage(bufferedImage.getWidth(), bufferedImage.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
Graphics2D g2d = (Graphics2D)grayscale.getGraphics();
g2d.drawImage(bufferedImage, 0, 0, null);
g2d.dispose();
byte[] data = convertToY800(grayscale);
byte[] data = convertToY800(grayscale);
try(Image image = new Image()) {
image.setSize(grayscale.getWidth(), grayscale.getHeight());
image.setFormat("Y800");
image.setData(data);
try(Image image = new Image()) {
image.setSize(grayscale.getWidth(), grayscale.getHeight());
image.setFormat("Y800");
image.setData(data);
try(ImageScanner scanner = new ImageScanner()) {
scanner.setConfig(Symbol.NONE, Config.ENABLE, 0);
scanner.setConfig(Symbol.QRCODE, Config.ENABLE, 1);
int result = scanner.scanImage(image);
if(result != 0) {
try(SymbolSet results = scanner.getResults()) {
Scan scan = null;
for(Iterator<Symbol> iter = results.iterator(); iter.hasNext(); ) {
try(Symbol symbol = iter.next()) {
scan = new Scan(symbol.getDataBytes(), symbol.getData());
try(ImageScanner scanner = new ImageScanner()) {
scanner.setConfig(Symbol.NONE, Config.ENABLE, 0);
scanner.setConfig(Symbol.QRCODE, Config.ENABLE, 1);
int result = scanner.scanImage(image);
if(result != 0) {
try(SymbolSet results = scanner.getResults()) {
Scan scan = null;
for(Iterator<Symbol> iter = results.iterator(); iter.hasNext(); ) {
try(Symbol symbol = iter.next()) {
scan = new Scan(symbol.getDataBytes(), symbol.getData());
}
}
return scan;
}
return scan;
}
}
}
} catch(Exception e) {
log.debug("Error scanning with ZBar", e);
}
return null;