zoom-image-data - npm Package Compare versions

Comparing version 1.0.0 to 2.0.0

dist/index.d.ts

 interface param {
     /** Input Data */
-    inData: Uint8Array | Uint8ClampedArray;
+    inData: ArrayBuffer;
     /** Width of input data */
@@ -9,3 +9,3 @@ inw: number;
     /** Output Data */
-    outData: Uint8Array | Uint8ClampedArray;
+    outData: ArrayBuffer;
     /** Width of output data */
@@ -88,4 +88,12 @@ outw: number;
      */
+    updateMatrix(scale: number, dx: number, dy: number, silent?: boolean): void;
+    /**
+     * Update the transformation matrix.
+     */
     updateInvMatrix(): void;
+    inCoorIsIn(x: number, y: number): boolean;
+    outCoorIsIn(x: number, y: number): boolean;
+    transInToOut(coors: number[]): number[];
+    transOutToIn(coors: number[]): number[];
 }
 export { ZoomImageData };

dist/index.js

@@ -16,5 +16,5 @@ (function (factory) {
             const { inData, inw, inh, outData, outw, outh, cellRatio } = param;
-            this.inData = new Uint32Array(inData.buffer);
+            this.inData = new Uint32Array(inData);
             this.inw = inw;
-            this.outData = new Uint32Array(outData.buffer);
+            this.outData = new Uint32Array(outData);
             this.inh = inh;
@@ -68,6 +68,3 @@ this.outw = outw;
         translate(dx, dy, silent) {
-            this.dx += dx;
-            this.dy += dy;
-            this.updateInvMatrix();
-            silent || this.update();
+            this.updateMatrix(this.scale, this.dx + dx, this.dy + dy, silent);
         }
@@ -83,7 +80,3 @@ /**
             const { dx, dy, scale } = this;
-            this.dx = (dx - cx) * ratio + cx;
-            this.dy = (dy - cy) * ratio + cy;
-            this.scale = scale * ratio;
-            this.updateInvMatrix();
-            silent || this.update();
+            this.updateMatrix(scale * ratio, (dx - cx) * ratio + cx, (dy - cy) * ratio + cy, silent);
         }
@@ -106,5 +99,11 @@ /**
             }
+            this.updateMatrix(scale, (outw - zoomw * scale) / 2, (outh - zoomh * scale) / 2, silent);
+        }
+        /**
+         * Update the transformation matrix.
+         */
+        updateMatrix(scale, dx, dy, silent) {
             this.scale = scale;
-            this.dx = (outw - zoomw * scale) / 2;
-            this.dy = (outh - zoomh * scale) / 2;
+            this.dx = dx;
+            this.dy = dy;
             this.updateInvMatrix();
@@ -121,4 +120,29 @@ silent || this.update();
         }
+        inCoorIsIn(x, y) {
+            const { inw, inh } = this;
+            return x >= 0 && x < inw && y >= 0 && y < inh;
+        }
+        outCoorIsIn(x, y) {
+            const { outw, outh } = this;
+            return x >= 0 && x < outw && y >= 0 && y < outh;
+        }
+        transInToOut(coors) {
+            const { scale, dx, dy, cellW, cellH } = this;
+            const result = [];
+            for (let i = 1; i < coors.length; i = i + 2) {
+                // Center
+                result.push(~~((coors[i - 1] - 0.5) * cellW * scale + dx), ~~((coors[i] - 0.5) * cellH * scale + dy));
+            }
+            return result;
+        }
+        transOutToIn(coors) {
+            const { invScale, invDx, invDy, cellW, cellH } = this;
+            const result = [];
+            for (let i = 1; i < coors.length; i = i + 2) {
+                result.push(~~((coors[i - 1] * invScale + invDx) / cellW), ~~((coors[i] * invScale + invDy) / cellH));
+            }
+            return result;
+        }
     }
     exports.ZoomImageData = ZoomImageData;
 });

package.json

 {
   "name": "zoom-image-data",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "description": "zoom-image-data",
@@ -5,0 +5,0 @@ "main": "dist/index.js",

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Improved metrics

Total package byte prevSize

8069

increased by19.29%

Lines of code

240

increased by15.38%

No dependency changes