fix: Fix alpha premultiplied black edge issue

changed `blit` with `composite`
soimy · Dec 4, 2019 · a0db046 · a0db046
1 parent b7cde89
commit a0db046
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Showing 3 changed files with 6 additions and 24 deletions.
diff --git a/patches/jimp+0.6.4.patch b/patches/jimp+0.6.4.patch
diff --git a/src/atlasify.ts b/src/atlasify.ts
@@ -325,7 +325,7 @@ export class Atlasify {
                     const debugFrame = new Jimp(sheet.frame.width, sheet.frame.height, this._debugColor);
                     image.blit(debugFrame, sheet.frame.x, sheet.frame.y);
                 }
-                image.blit(buffer, sheet.x, sheet.y);
+                image.composite(buffer, sheet.x, sheet.y);
 
                 // share rects iteration to add serialized sheets
                 serializedSheet.push(rect.serialize());

diff --git a/src/geom/sheet.ts b/src/geom/sheet.ts
@@ -242,29 +242,29 @@ export class Sheet extends Rectangle {
         this.height += border * 2;
         const extrudedImage = new Jimp(this.width, this.height);
         // centered original image
-        extrudedImage.blit(this.data, border, border);
+        extrudedImage.composite(this.data, border, border);
         this.data = extrudedImage;
 
         // top extruded border
         const topExtrude = this.data.clone()
             .crop(border, border, this.frame.width, 1)
             .resize(this.frame.width, border);
-        this.data.blit(topExtrude, border, 0);
+        this.data.composite(topExtrude, border, 0);
         // bottom extruded border
         const bottomExtrude = this.data.clone()
             .crop(border, border + this.frame.height - 1, this.frame.width, 1)
             .resize(this.frame.width, border);
-        this.data.blit(bottomExtrude, border, border + this.frame.height);
+        this.data.composite(bottomExtrude, border, border + this.frame.height);
         // left extruded border
         const leftExtrude = this.data.clone()
             .crop(border, border, 1, this.frame.height)
             .resize(border, this.frame.height);
-        this.data.blit(leftExtrude, 0, border);
+        this.data.composite(leftExtrude, 0, border);
         // right extruded border
         const rightExtrude = this.data.clone()
             .crop(border + this.frame.width - 1, border, 1, this.frame.height)
             .resize(border, this.frame.height);
-        this.data.blit(rightExtrude, border + this.frame.width, border);
+        this.data.composite(rightExtrude, border + this.frame.width, border);
         this._imageDirty ++;
     }