commit

src/tool/GO.ts

@@ -2,4 +2,55 @@ export default {
 	id : 1,
 	testUrl:'http://192.168.1.5:10086',
 	zIndex:2,
+	setColor:(rgba:any,url:string,obj:any) =>{
+		return new Promise(resolve =>{
+		 var min = obj?.min == undefined ? 5 : obj.min;
+		 var max = obj?.max == undefined ? 5 : obj.max;
+		 var img = new Image();
+		 img.src = url;
+		 img.onload = () => {
+			 const width = img.width;
+			 const height = img.height;
+			 const canvas = document.createElement("canvas");
+			 canvas.width = width
+			 canvas.height = height
+			 var ctx:any = canvas.getContext("2d");
+			 ctx.drawImage(img,0,0)
+			 var data = ctx.getImageData(0,0,width,height)
+			 var ratio = []
+			 for (let index = 0; index < rgba.length; index++) {
+				var num = 0;
+				for (let i = 0; i < data.data.length; i+=4) {
+					var r = data.data[i];
+					var g = data.data[i+1];
+					var b = data.data[i+2];
+					var a = data.data[i+3];
+					if(r - min < rgba[index][0] 
+						&& r + max > rgba[index][0]
+						&& g - min < rgba[index][1] 
+						&& g + max > rgba[index][1]
+						&& b - min < rgba[index][2]
+						&& b + max > rgba[index][2]
+						){
+							num++
+						}
+				}
+				let rgb = {
+					rgb:rgba[index],
+					ratio:parseInt(String((num/ (width * height) * 100).toFixed(6)))
+				}
+				ratio.push(rgb)
+				// console.log((num/ (width * height) * 100).toFixed(2));
+
+			 }
+			 
+			 resolve({
+				 width,
+				 height,
+				 ratio:ratio,
+			 })
+		 }
+		})
+	 
+	 },
 }