Implemented a method to receive and store a snapshot of the current image via JSON.

include/api/JsonAPI.h

@@ -285,6 +285,11 @@ private:
 	///
 	void handleSystemCommand(const QJsonObject &message, const JsonApiCommand& cmd);
 
+	/// @brief  Handle an incoming JSON message for actions related to the current image
+	/// @param message the incoming message
+	///
+	void handleGetCurrentImageCommand(const QJsonObject &message, const JsonApiCommand& cmd);
+
 	void applyColorAdjustments(const QJsonObject &adjustment, ColorAdjustment *colorAdjustment);
 	void applyColorAdjustment(const QString &colorName, const QJsonObject &adjustment, RgbChannelAdjustment &rgbAdjustment);
 	void applyGammaTransform(const QString &transformName, const QJsonObject &adjustment, RgbTransform &rgbTransform, char channel);
@@ -403,5 +408,4 @@ private:
 
 	// The JsonCallbacks instance which handles data subscription/notifications
 	QSharedPointer<JsonCallbacks> _jsonCB;
-
 };

include/api/JsonApiCommand.h

@@ -34,7 +34,8 @@ public:
 		System,
 		Temperature,
 		Transform,
-		VideoMode
+		VideoMode,
+		GetCurrentImage
 	};
 
 	static QString toString(Type type) {
@@ -65,6 +66,7 @@ public:
 		case Transform: return "transform";
 		case VideoMode: return "videomode";
 		case Service: return "service";
+		case GetCurrentImage: return "getcurrentimage";
 		default: return "unknown";
 		}
 	}
@@ -322,7 +324,8 @@ public:
 			{ {"system", "toggleIdle"}, { Command::System, SubCommand::ToggleIdle, Authorization::Yes, InstanceCmd::No, NoListenerCmd::Yes} },
 			{ {"temperature", ""}, { Command::Temperature, SubCommand::Empty, Authorization::Yes, InstanceCmd::Yes, NoListenerCmd::Yes} },
 			{ {"transform", ""}, { Command::Transform, SubCommand::Empty, Authorization::Yes, InstanceCmd::Yes, NoListenerCmd::Yes} },
-			{ {"videomode", ""}, { Command::VideoMode, SubCommand::Empty, Authorization::Yes, InstanceCmd::No, NoListenerCmd::Yes} }
+			{ {"videomode", ""}, { Command::VideoMode, SubCommand::Empty, Authorization::Yes, InstanceCmd::No, NoListenerCmd::Yes} },
+			{ {"getcurrentimage", ""}, { Command::GetCurrentImage, SubCommand::Empty, Authorization::Yes, InstanceCmd::No, NoListenerCmd::Yes} }
 		};
 		return commandLookup;
 	}

libsrc/api/JSONRPC_schema/schema-getcurrentimage.json

@@ -0,0 +1,19 @@
+{
+	"type":"object",
+	"required":true,
+	"properties":{
+		"command": {
+			"type" : "string",
+			"required" : true,
+			"enum" : ["getcurrentimage"]
+		},
+		"tan" : {
+			"type" : "integer"
+		},
+		"path": {
+			"type": "string",
+			"required": false
+		}
+	},
+	"additionalProperties": false
+}

libsrc/api/JSONRPC_schema/schema.json

@@ -5,7 +5,7 @@
 		"command": {
 			"type" : "string",
 			"required" : true,
-			"enum": [ "color", "image", "effect", "create-effect", "delete-effect", "serverinfo", "clear", "clearall", "adjustment", "sourceselect", "config", "componentstate", "ledcolors", "logging", "processing", "sysinfo", "videomode", "authorize", "instance", "leddevice", "inputsource", "service", "system", "transform", "correction", "temperature" ]
+			"enum": [ "color", "image", "effect", "create-effect", "delete-effect", "serverinfo", "clear", "clearall", "adjustment", "sourceselect", "config", "componentstate", "ledcolors", "logging", "processing", "sysinfo", "videomode", "authorize", "instance", "leddevice", "inputsource", "service", "system", "transform", "correction", "temperature", "getcurrentimage" ]
 		}
 	}
 }

libsrc/api/JSONRPC_schemas.qrc

@@ -4,6 +4,7 @@
         <file alias="schema-color">JSONRPC_schema/schema-color.json</file>
         <file alias="schema-image">JSONRPC_schema/schema-image.json</file>
         <file alias="schema-serverinfo">JSONRPC_schema/schema-serverinfo.json</file>
+        <file alias="schema-getcurrentimage">JSONRPC_schema/schema-getcurrentimage.json</file>
         <file alias="schema-sysinfo">JSONRPC_schema/schema-sysinfo.json</file>
         <file alias="schema-clear">JSONRPC_schema/schema-clear.json</file>
         <file alias="schema-clearall">JSONRPC_schema/schema-clearall.json</file>

libsrc/api/JsonAPI.cpp

@@ -393,11 +393,53 @@ void JsonAPI::handleCommand(const JsonApiCommand& cmd, const QJsonObject &messag
 		sendErrorReply("The command is deprecated, please use the Hyperion Web Interface to configure", cmd);
 	break;
 		// END
+	case Command::GetCurrentImage:
+		handleGetCurrentImageCommand(message, cmd);
+	break;
 	default:
 	break;
 	}
 }
 
+void JsonAPI::handleGetCurrentImageCommand(const QJsonObject &message, const JsonApiCommand& cmd)
+{
+	QString replyMsg;
+	
+	Debug(_log, "Get image command received");
+	QString savePath = message["path"].toString();
+	
+	Debug(_log,"Save path: %s", QSTRING_CSTR(savePath));
+	
+	int priority = _hyperion->getCurrentPriority();
+	const PriorityMuxer::InputInfo priorityInfo = _hyperion->getPriorityInfo(priority);
+	Image<ColorRgb> image = priorityInfo.image;
+
+	QImage jpgImage(reinterpret_cast<const uchar*>(image.memptr()), image.width(), image.height(), qsizetype(3) * image.width(), QImage::Format_RGB888);
+	QByteArray byteArray;
+	QBuffer buffer(&byteArray);
+	buffer.open(QIODevice::WriteOnly);
+	jpgImage.save(&buffer, "JPG");
+	QString base64Image = QString::fromLatin1(byteArray.toBase64().data());
+	if (!savePath.isEmpty())
+	{
+		if (!jpgImage.save(savePath, "JPG"))
+		{
+			replyMsg = "Failed to save image to: " + savePath;
+			sendErrorReply(replyMsg, cmd);
+			return;
+		}
+	}
+	
+	QJsonObject info;
+	info["path"] = savePath;
+	info["format"] = "JPG";
+	info["width"] = image.width();
+	info["height"] = image.height();
+	info["size"] = image.width() * image.height() * 3;
+	info["data"] = base64Image;
+	sendSuccessDataReply(info, cmd);
+}
+
 void JsonAPI::handleColorCommand(const QJsonObject &message, const JsonApiCommand& cmd)
 {
 	emit forwardJsonMessage(message);