Add Micro QR code support

.github/workflows/wf-build-release-ci.yml

@@ -6,7 +6,7 @@ on:
   workflow_dispatch:
 jobs:  
   build: 
-    runs-on: windows-2019 
+    runs-on: windows-latest 
     env:
         ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     steps:
@@ -33,17 +33,17 @@ jobs:
       uses: actions/upload-artifact@v4
       with:
         name: Compiled project
-        path: D:\a\qrcoder\qrcoder
+        path: ${{ github.workspace }}
 
   test:
     needs: build 
-    runs-on: windows-2019
+    runs-on: windows-latest
     steps:   
     - name: Download artifacts
       uses: actions/download-artifact@v4
       with:
         name: Compiled project
-        path: D:\a\qrcoder\qrcoder    
+        path: ${{ github.workspace }}
 
     - name: Install additional .NET SDKs
       uses: actions/setup-dotnet@v4
@@ -139,15 +139,15 @@ jobs:
 
   pack-push-ci:
     needs: test
-    runs-on: windows-2019
+    runs-on: windows-latest
     env:
       GH_PKG_SEC: ${{ secrets.GITHUB_TOKEN }}
     steps:   
     - name: Download artifacts
       uses: actions/download-artifact@v4
       with:
         name: Compiled project
-        path: D:\a\qrcoder\qrcoder
+        path: ${{ github.workspace }}
 
     - name: Install additional .NET SDKs
       uses: actions/setup-dotnet@v4
@@ -193,7 +193,7 @@ jobs:
   clean:
     needs: [build, test, pack-push-ci]
     if: always()
-    runs-on: windows-2019
+    runs-on: windows-latest
     steps:
     - name: Delete artifacts
       uses: GeekyEggo/delete-artifact@v5

.github/workflows/wf-build-release.yml

@@ -7,7 +7,7 @@ on:
           required: true     
 jobs:  
   build: 
-    runs-on: windows-2019 
+    runs-on: windows-latest 
     env:
         ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     steps:
@@ -34,17 +34,17 @@ jobs:
       uses: actions/upload-artifact@v4
       with:
         name: Compiled project
-        path: D:\a\qrcoder\qrcoder
+        path: ${{ github.workspace }}
 
   test:
     needs: build 
-    runs-on: windows-2019
+    runs-on: windows-latest
     steps:   
     - name: Download artifacts
       uses: actions/download-artifact@v4
       with:
         name: Compiled project
-        path: D:\a\qrcoder\qrcoder    
+        path: ${{ github.workspace }}
 
     - name: Install additional .NET SDKs
       uses: actions/setup-dotnet@v4
@@ -139,15 +139,15 @@ jobs:
 
   pack-push-release:
     needs: test
-    runs-on: windows-2019
+    runs-on: windows-latest
     env:
       GH_PKG_SEC: ${{ secrets.GITHUB_TOKEN }}
     steps:   
     - name: Download artifacts
       uses: actions/download-artifact@v4
       with:
         name: Compiled project
-        path: D:\a\qrcoder\qrcoder
+        path: ${{ github.workspace }}
 
     - name: Install additional .NET SDKs
       uses: actions/setup-dotnet@v4
@@ -187,7 +187,7 @@ jobs:
   clean:
     needs: [build, test, pack-push-release]
     if: always()
-    runs-on: windows-2019
+    runs-on: windows-latest
     steps:
     - name: Delete artifacts
       uses: GeekyEggo/delete-artifact@v5

.github/workflows/wf-build-test.yml

@@ -6,7 +6,7 @@ on:
   workflow_dispatch:
 jobs:
   build:
-    runs-on: windows-2019 
+    runs-on: windows-latest 
     env:
         ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     steps:
@@ -33,17 +33,17 @@ jobs:
       uses: actions/upload-artifact@v4
       with:
         name: Compiled project
-        path: D:\a\qrcoder\qrcoder
+        path: ${{ github.workspace }}
 
   test:
     needs: build 
-    runs-on: windows-2019
+    runs-on: windows-latest
     steps:   
     - name: Download artifacts
       uses: actions/download-artifact@v4
       with:
         name: Compiled project
-        path: D:\a\qrcoder\qrcoder 
+        path: ${{ github.workspace }}
 
     - name: Install additional .NET SDKs
       uses: actions/setup-dotnet@v4
@@ -98,7 +98,7 @@ jobs:
   clean:
     needs: [build, test]
     if: always()
-    runs-on: windows-2019
+    runs-on: windows-latest
     steps:
     - name: Delete artifacts
       uses: GeekyEggo/delete-artifact@v5

.github/workflows/wf-verify-formatting.yml

@@ -7,19 +7,17 @@ on:
 
 jobs:
   format:
-    runs-on: windows-2019
+    runs-on: ubuntu-latest
+    env:
+      EnableWindowsTargeting: true
     steps:
     - uses: actions/checkout@v4
       name: Checkout Code
 
     - name: Install additional .NET SDKs
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: | 
-          2.0.x
-          5.0.x
-          6.0.x
-          8.0.x
+        dotnet-version: 8.0.x
 
     - name: Restore NuGet Packages
       run: dotnet restore

QRCoder/QRCodeData.cs

@@ -194,10 +194,12 @@ public void SaveRawData(string filePath, Compression compressMode)
     /// <summary>
     /// Gets the number of modules per side from the specified version.
     /// </summary>
-    /// <param name="version">The version of the QR code.</param>
+    /// <param name="version">The version of the QR code (1 to 40, or -1 to -4 for Micro QR codes).</param>
     /// <returns>Returns the number of modules per side.</returns>
     private static int ModulesPerSideFromVersion(int version)
-        => 21 + (version - 1) * 4;
+        => version > 0
+            ? 21 + (version - 1) * 4
+            : 11 + (-version - 1) * 2;
 
     /// <summary>
     /// Releases all resources used by the <see cref="QRCodeData"/>.