add screen capture and color searching

autojs/src/main/assets/modules/__images__.js

@@ -0,0 +1,64 @@
+
+module.exports = function(__runtime__, scope){
+   var images = {};
+
+   var colorFinder = __runtime__.images.colorFinder;
+
+   images.requestScreenCapture = __runtime__.images.requestScreenCapture.bind(__runtime__.images);
+
+   images.captureScreen = __runtime__.images.captureScreen.bind(__runtime__.images);
+
+   images.saveImage = __runtime__.images.saveImage.bind(__runtime__.images);
+
+   images.findColor = function(img, color, options){
+        options = options || {};
+        var region = options.region || [];
+        x = region[0] || 0;
+        y = region[1] || 0;
+        width = region[2] || (img.getWidth() - x);
+        height = region[3] || (img.getHeight() - y);
+        threads = options.threads || 4;
+        if(options.threshold !== 0){
+            threshold = options.threshold || 8;
+        }
+        algorithm = options.algorithm || "rgb";
+        var rect = new android.graphics.Rect(x, y, width + x, height + y);
+        var colorDetector = getColorDetector(color, algorithm, threshold);
+        return colorFinder.findColorConcurrently(img, colorDetector, rect, threads);
+   }
+
+   images.findColorInRegion = function(img, color, x, y, width, height, threads, algorithm, threshold){
+        return findColor(img, color, {
+            region: [x, y, width, height],
+            algorithm: algorithm,
+            threshold: threshold,
+            threads: threads
+        });
+   }
+
+   images.findColorEquals = function(img, color, x, y, width, height, threads){
+       return findColor(img, color, {
+           region: [x, y, width, height],
+           algorithm: "equal",
+           threads: threads
+       });
+   }
+
+   function getColorDetector(color, algorithm, threshold){
+        switch(algorithm){
+            case "rgb":
+                return new com.stardust.autojs.runtime.api.image.ColorDetector.RGBDistanceDetector(color, threshold);
+            case "equal":
+                return new com.stardust.autojs.runtime.api.image.ColorDetector.EqualityDetector(color);
+            case "rgb+":
+                return new com.stardust.autojs.runtime.api.image.ColorDetector.WeightedRGBDistanceDetector(color, threshold);
+            case "hs":
+                return new com.stardust.autojs.runtime.api.image.ColorDetector.HSDistanceDetector(color, threshold);
+        }
+        throw new Error("Unknown algorithm: " + algorithm);
+   }
+
+   scope.__asGlobal__(images, ['requestScreenCapture', 'captureScreen', 'findColor', 'findColorInRegion', 'findColorEquals']);
+
+   return images;
+}