Implemented native app

EpcQrCode/src/commonMain/kotlin/net/codinux/banking/epcqrcode/EpcQrCode.kt

@@ -33,4 +33,76 @@ open class EpcQrCode(
     this.bitmap = bitmap.scaled(heightAndWidth, heightAndWidth, true)
   }
 
+
+  open fun qrCodeAsString(): String {
+    val string = StringBuilder(bitmap.height * bitmap.width)
+
+    for (y in 1 until bitmap.height) {
+      for (x in 1 until bitmap.width) {
+        if (isBitSet(x, y)) {
+          string.append("██")
+        } else {
+          string.append("  ")
+        }
+      }
+
+      string.appendLine()
+    }
+
+    return string.toString()
+  }
+
+  open fun qrCodeAsSmallString(): String {
+    val string = StringBuilder(bitmap.height * bitmap.width)
+
+    for (y in 1 until bitmap.height - 1 step 2) {
+      for (x in 1 until bitmap.width) {
+        val currentRowBit = bitmap.getInt(x, y)
+        val nextRowBit = bitmap.getInt(x, y + 1)
+
+        if (currentRowBit == nextRowBit) {
+          if (isBitSet(currentRowBit)) {
+            string.append("█")
+          } else {
+            string.append(" ")
+          }
+        } else {
+          if (isBitSet(currentRowBit)) {
+            string.append("▀")
+          } else {
+            string.append("▄")
+          }
+        }
+      }
+
+      string.appendLine()
+    }
+
+    if (bitmap.height % 2 == 0) { // if last row is odd
+      val y = bitmap.height - 1
+      for (x in 1 until bitmap.width) {
+        if (isBitSet(x, y)) {
+          string.append("▀")
+        } else {
+          string.append(" ")
+        }
+      }
+
+      string.appendLine()
+    }
+
+    return string.toString()
+  }
+
+  protected open fun isBitSet(x: Int, y: Int): Boolean {
+    val qrCodeBit = bitmap.getInt(x, y)
+
+    return isBitSet(qrCodeBit)
+  }
+
+  protected open fun isBitSet(qrCodeBitColorCode: Int): Boolean {
+    // black = -1, white = -16777216
+    return qrCodeBitColorCode < -1
+  }
+
 }

EpcQrCodeNativeApp/build.gradle.kts

@@ -0,0 +1,37 @@
+plugins {
+    kotlin("multiplatform")
+}
+
+
+kotlin {
+    val hostOs = System.getProperty("os.name")
+    val isMingwX64 = hostOs.startsWith("Windows")
+    val nativeTarget = when {
+        hostOs == "Mac OS X" -> macosX64("native")
+        hostOs == "Linux" -> linuxX64("native")
+        isMingwX64 -> mingwX64("native")
+        else -> throw GradleException("Host OS is not supported in Kotlin/Native.")
+    }
+
+    nativeTarget.apply {
+        binaries {
+            executable {
+                baseName = "EpcQrCode"
+
+                entryPoint = "main"
+            }
+        }
+    }
+
+
+    sourceSets {
+        val commonMain by getting {
+            dependencies {
+                implementation(project(":EpcQrCode"))
+            }
+        }
+
+        val nativeMain by getting
+    }
+
+}

EpcQrCodeNativeApp/src/nativeMain/kotlin/Main.kt

@@ -0,0 +1,15 @@
+import net.codinux.banking.epcqrcode.EpcQrCodeConfig
+import net.codinux.banking.epcqrcode.NativeApp
+import platform.posix.exit
+
+
+fun main(args: Array<String>) {
+  if (args.size < 3) {
+    println("Please enter recipient name, recipient IBAN, amount and an optional reference:\n./EpcQrCode.kexe \"Red cross\" BE72000000001616 \"50.00\" \"Urgency fund\"")
+    exit(0)
+  }
+
+  val config = EpcQrCodeConfig(args[0], args[1], args[2], if (args.size > 3) args[3] else null)
+
+  NativeApp().generateAndShowEpcQrCode(config)
+}

EpcQrCodeNativeApp/src/nativeMain/kotlin/net.codinux.banking.epcqrcode/NativeApp.kt

@@ -0,0 +1,12 @@
+package net.codinux.banking.epcqrcode
+
+
+class NativeApp {
+
+  fun generateAndShowEpcQrCode(config: EpcQrCodeConfig) {
+    val epcQrCode = EpcQrCodeGenerator().generateEpcQrCode(config, 40)
+
+    println(epcQrCode.qrCodeAsSmallString())
+  }
+
+}

settings.gradle.kts

@@ -25,4 +25,5 @@ rootProject.name = "EpcQrCode"
 include(":EpcQrCode")
 include(":EpcQrCodeAndroidApp")
 include(":EpcQrCodeJavaFxApp")
+include(":EpcQrCodeNativeApp")
 include(":EpcQrCodeRest")