Add getcolor and Update examples

bitmap/goBitmap.h

@@ -145,3 +145,16 @@ MMBitmapRef get_Portion(MMBitmapRef bit_map, MMRect rect){
 	portion = copyMMBitmapFromPortion(bit_map, rect);
 	return portion;
 }
+
+MMRGBHex bitmap_get_color(MMBitmapRef bitmap, size_t x, size_t y){
+	if (!bitmap_ready(bitmap)) return 0;
+
+	MMPoint point;
+	point = MMPointMake(x, y);
+
+	if (!MMBitmapPointInBounds(bitmap, point)) {
+		return 0;
+	}
+
+	return MMRGBHexAtPoint(bitmap, point.x, point.y);
+}

examples/bitmap/main.go

@@ -30,6 +30,9 @@ func main() {
 	bitmap := robotgo.CaptureScreen(100, 200, 30, 40)
 	fmt.Println("CaptureScreen...", bitmap)
 
+	color := robotgo.GetColor(bitmap, 1, 2)
+	fmt.Println("color...", color)
+
 	// searches for needle in bitmap
 	fx, fy := robotgo.FindBit(bitmap)
 	fmt.Println("FindBitmap------", fx, fy)

examples/main.go

@@ -140,6 +140,9 @@ func bitmap() {
 	bitmap := robotgo.CaptureScreen(100, 200, 30, 40)
 	fmt.Println("CaptureScreen...", bitmap)
 
+	color := robotgo.GetColor(bitmap, 1, 2)
+	fmt.Println("color...", color)
+
 	// searches for needle in bitmap
 	fx, fy := robotgo.FindBit(bitmap)
 	fmt.Println("FindBitmap------", fx, fy)

robotgo.go

@@ -729,6 +729,13 @@ func DeepCopyBit(bitmap C.MMBitmapRef) C.MMBitmapRef {
 	return bit
 }
 
+// GetColor get bitmap color
+func GetColor(bitmap C.MMBitmapRef, x, y int) C.MMRGBHex {
+	color := C.bitmap_get_color(bitmap, C.size_t(x), C.size_t(y))
+
+	return color
+}
+
 /*
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