✨ supports displaying QR code (#11)

CrossPaste · Nov 19, 2023 · f53981b · f53981b
1 parent fe5e97a
commit f53981b
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Showing 4 changed files with 33 additions and 5 deletions.
diff --git a/composeApp/build.gradle.kts b/composeApp/build.gradle.kts
@@ -17,6 +17,8 @@ kotlin {
             implementation(compose.desktop.currentOs)
             implementation("net.java.dev.jna:jna:5.13.0")
             implementation("net.java.dev.jna:jna-platform:5.13.0")
+            implementation("com.google.zxing:core:3.5.2")
+            implementation("com.google.zxing:javase:3.5.2")
         }
         commonMain.dependencies {
             implementation(compose.runtime)

diff --git a/composeApp/src/commonMain/kotlin/com/clipevery/ClipeveryApp.kt b/composeApp/src/commonMain/kotlin/com/clipevery/ClipeveryApp.kt
@@ -15,13 +15,14 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.toComposeImageBitmap
 import com.clipevery.clip.AbstractClipboard
 import org.jetbrains.compose.resources.ExperimentalResourceApi
-import org.jetbrains.compose.resources.painterResource
+import java.awt.image.BufferedImage
 
 @OptIn(ExperimentalResourceApi::class)
 @Composable
-fun ClipeveryApp(clipboard: AbstractClipboard, copyText: MutableState<String>) {
+fun ClipeveryApp(clipboard: AbstractClipboard, copyText: MutableState<String>, generateQRCode: BufferedImage) {
     MaterialTheme {
         val pid: Long = ProcessHandle.current().pid()
         var showImage by remember { mutableStateOf(false) }
@@ -44,7 +45,8 @@ fun ClipeveryApp(clipboard: AbstractClipboard, copyText: MutableState<String>) {
             }
             AnimatedVisibility(showImage) {
                 Image(
-                    painterResource("compose-multiplatform.xml"),
+                    generateQRCode.toComposeImageBitmap(),
+//                    painterResource("compose-multiplatform.xml"),
                     null
                 )
             }

diff --git a/composeApp/src/desktopMain/kotlin/com/clipevery/utils/QRCodeUtils.kt b/composeApp/src/desktopMain/kotlin/com/clipevery/utils/QRCodeUtils.kt
@@ -0,0 +1,18 @@
+package com.clipevery.utils
+
+import com.google.zxing.BarcodeFormat
+import com.google.zxing.qrcode.QRCodeWriter
+import java.awt.Color
+import java.awt.image.BufferedImage
+
+fun generateQRCode(text: String, width: Int, height: Int): BufferedImage {
+    val writer = QRCodeWriter()
+    val bitMatrix = writer.encode(text, BarcodeFormat.QR_CODE, width, height)
+    val image = BufferedImage(width, height, BufferedImage.TYPE_INT_RGB)
+    for (x in 0 until width) {
+        for (y in 0 until height) {
+            image.setRGB(x, y, if (bitMatrix.get(x, y)) Color.BLACK.rgb else Color.WHITE.rgb)
+        }
+    }
+    return image
+}
diff --git a/composeApp/src/desktopMain/kotlin/main.kt b/composeApp/src/desktopMain/kotlin/main.kt
@@ -9,9 +9,11 @@ import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
 import com.clipevery.ClipeveryApp
 import com.clipevery.getClipboard
+import com.clipevery.utils.generateQRCode
 import org.jetbrains.skia.Image
 import java.awt.datatransfer.DataFlavor
 import java.awt.datatransfer.Transferable
+import java.awt.image.BufferedImage
 import java.io.InputStream
 import java.util.function.Consumer
 import kotlin.system.exitProcess
@@ -44,12 +46,14 @@ fun main() = application {
         }
     )
 
+    val generateQRCode: BufferedImage = generateQRCode("Hello World!", 200, 200)
+
     Window(onCloseRequest = ::exitApplication,
         title = "Clipevery",
         icon = imageBitmap,
         undecorated = true,
         resizable = false) {
-        ClipeveryApp(clipboard, copyText)
+        ClipeveryApp(clipboard, copyText, generateQRCode)
     }
 }
 
@@ -77,5 +81,7 @@ fun AppDesktopPreview() {
         }
     }
     val clipboard = getClipboard(consumer)
-    ClipeveryApp(clipboard, copyText)
+    val generateQRCode: BufferedImage = generateQRCode("Hello World!", 200, 200)
+
+    ClipeveryApp(clipboard, copyText, generateQRCode)
 }