Bugfix/nt 72/drop alpha channel (#572)

* Disable GitHub package registry

* (NT-72) Fix toString representation of RGBA

* (NT-72) Default to 32 bit images (4 8 bit channels)

* (NT-72) Update test for libnut screen action

* (NT-72) Enable snapshot releases

Author: s1hofmann

Diff for: .github/workflows/snapshot_release.yaml

@@ -74,10 +74,3 @@ jobs:
         run: pnpm run publish:next
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
-      - uses: actions/setup-node@v3
-        with:
-          registry-url: "https://npm.pkg.github.com"
-      - name: Publish snapshot release to GPR
-        run: npm run publish:next
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Diff for: .github/workflows/tagged_release.yaml

@@ -68,10 +68,3 @@ jobs:
         run: pnpm run publish:release
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
-      - uses: actions/setup-node@v3
-        with:
-          registry-url: "https://npm.pkg.github.com"
-      - name: Publish tagged release to GPR
-        run: pnpm run publish:release
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Diff for: core/nut.js/lib/provider/io/jimp-image-reader.class.ts

@@ -24,7 +24,7 @@ export default class implements ImageReader {
               jimpImage.bitmap.width,
               jimpImage.bitmap.height,
               jimpImage.bitmap.data,
-              jimpImage.hasAlpha() ? 4 : 3,
+              4,
               parameters,
               jimpImage.bitmap.data.length /
               (jimpImage.bitmap.width * jimpImage.bitmap.height),

Diff for: core/shared/lib/objects/rgba.class.ts

@@ -4,10 +4,11 @@ export class RGBA {
     public readonly G: number,
     public readonly B: number,
     public readonly A: number
-  ) {}
+  ) {
+  }
 
   public toString(): string {
-    return `rgb(${this.R},${this.G},${this.B})`;
+    return `rgba(${this.R},${this.G},${this.B},${this.A})`;
   }
 
   public toHex(): string {

Diff for: providers/libnut/lib/libnut-screen.class.spec.ts

@@ -36,7 +36,7 @@ describe("libnut screen action", () => {
         colorAt: jest.fn(),
         height: screenShotSize.height,
         image: Buffer.from(
-          new Array(screenShotSize.width * screenShotSize.height * 4 + 10).fill(
+          new Array(screenShotSize.width * screenShotSize.height * 4).fill(
             0
           )
         ),
@@ -72,7 +72,7 @@ describe("libnut screen action", () => {
         colorAt: jest.fn(),
         height: screenShotSize.height,
         image: Buffer.from(
-          new Array(screenShotSize.width * screenShotSize.height * 4 + 10).fill(
+          new Array(screenShotSize.width * screenShotSize.height * 4).fill(
             0
           )
         ),

Diff for: providers/libnut/lib/libnut-screen.class.ts

@@ -30,7 +30,7 @@ export default class ScreenAction implements ScreenProviderInterface {
                     new Image(
                         screenShot.width,
                         screenShot.height,
-                        screenShot.image.slice(0, screenShot.width * screenShot.height * 4),
+                        screenShot.image,
                         4,
                         "grabScreenResult",
                         screenShot.bitsPerPixel,
@@ -62,7 +62,7 @@ export default class ScreenAction implements ScreenProviderInterface {
                     new Image(
                         screenShot.width,
                         screenShot.height,
-                        screenShot.image.slice(0, screenShot.width * screenShot.height * 4),
+                        screenShot.image,
                         4,
                         "grabScreenRegionResult",
                         screenShot.bitsPerPixel,