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2023-08-18 17:28:57 +08:00
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+//
+//   DDMAGeometry.h
+//   DDMAMapKit_Private
+//   Created by DDIsFriend on 2023/2/2.
+    
+
+#import <Foundation/Foundation.h>
+#import <AMapNaviKit/MAGeometry.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface DDMAGeometry : NSObject
+// 获取一个合适的地图展示范围
+ (MAMapRect)getVisibleMapRectWithCoordinates:(CLLocationCoordinate2D *_Nullable)coords coordinateCount:(NSUInteger)coordinateCount;
+
+// 获取一个合适的地图展示范围
+ (MAMapRect)getVisibleMapRectWithMapPoints:(MAMapPoint *_Nullable)mapPoints mapPointCount:(NSUInteger)mapPointCount;
+
+// 获取一个合适的地图展示范围
+ (MAMapRect)getVisibleMapRectWithCLLocations:(NSArray<CLLocation *> *_Nullable)locations;
+@end
+
+NS_ASSUME_NONNULL_END
@@ -0,0 +1,87 @@
+//
+//   DDMAGeometry.m
+//   DDMAMapKit_Private
+//   Created by DDIsFriend on 2023/2/2.
+    
+
+#import "DDMAGeometry.h"
+//#import <MAMapKit/MAPolyline.h>
+//#import <AMapSearchKit/AMapSearchKit.h>
+//#import <DDMAMapKit_Private/DDMASearch.h>
+
+@implementation DDMAGeometry
+ (MAMapRect)getVisibleMapRectWithCoordinates:(CLLocationCoordinate2D *_Nullable)coords coordinateCount:(NSUInteger)coordinateCount{
+    if (coords == NULL) return MAMapRectMake(0,0,0,0);
+
+    MAMapPoint *mapPoints = new MAMapPoint[coordinateCount];
+
+    for (NSUInteger i = 0; i < coordinateCount; i++) {
+        mapPoints[i] = MAMapPointForCoordinate(coords[i]);
+    }
+
+    if (coordinateCount < 2) return MAMapRectMake(mapPoints[0].x,mapPoints[0].y,0,0);
+
+    return [self getVisibleMapRectWithMapPoints:mapPoints mapPointCount:coordinateCount];
+}
+
+ (MAMapRect)getVisibleMapRectWithMapPoints:(MAMapPoint *_Nullable)mapPoints mapPointCount:(NSUInteger)mapPointCount{
+    if (mapPoints == NULL) return MAMapRectMake(0,0,0,0);
+    if (mapPointCount < 2) return MAMapRectMake(mapPoints[0].x,mapPoints[0].y,0,0);
+    
+    double xMin = 0.0;
+    double yMin = 0.0;
+    double xMax = 0.0;
+    double yMax = 0.0;
+    
+    MAMapPoint mapPoint = mapPoints[0];
+    xMin = mapPoint.x;
+    yMin = mapPoint.y;
+    xMax = mapPoint.x;
+    yMax = mapPoint.y;
+    
+    for (NSUInteger i = 1; i < mapPointCount; i++) {
+        MAMapPoint point = mapPoints[i];
+        if (xMin > point.x) {
+            xMin = point.x;
+        }
+        if (yMin > point.y) {
+            yMin = point.y;
+        }
+        if (xMax < point.x) {
+            xMax = point.x;
+        }
+        if (yMax < point.y) {
+            yMax = point.y;
+        }
+    }
+    return MAMapRectMake(xMin, yMin, xMax - xMin, yMax - yMin);
+}
+
+ (MAMapRect)getVisibleMapRectWithCLLocations:(NSArray<CLLocation *> *_Nullable)locations{
+    if (locations == nil) return MAMapRectMake(0,0,0,0);
+    if (locations.count == 0) return MAMapRectMake(0,0,0,0);
+    CLLocationCoordinate2D *coords = new CLLocationCoordinate2D[locations.count];
+    [locations enumerateObjectsUsingBlock:^(CLLocation * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
+        coords[idx].latitude = obj.coordinate.latitude;
+        coords[idx].longitude = obj.coordinate.longitude;
+    }];
+    return [self getVisibleMapRectWithCoordinates:coords coordinateCount:locations.count];
+}
+
+//+ (MAPolyline *)getPolylineWithRouteSearchResponse:(AMapRouteSearchResponse *)routeSearchResponse{
+//    NSArray *array = [DDMASearch coordsArrayWithRouteSearchResponse:routeSearchResponse];
+//    [array enumerateObjectsUsingBlock:^(DDMACoordinate  _Nonnull coordinate, NSUInteger idx, BOOL * _Nonnull stop) {
+//        if (idx == 0) {
+//            CLLocationCoordinate2D *coords = (CLLocationCoordinate2D *)[(NSValue *)coordinate[DDMACoords] pointerValue];
+//            NSUInteger count = [coordinate[DDMACoordsCount] integerValue];
+//            MAPolyline *polyline = [MAPolyline polylineWithCoordinates:coords count:count];
+//
+//            dispatch_async(dispatch_get_main_queue(), ^{
+//                [mapView.maMapView setVisibleMapRect:[DDMAGeometry getVisibleMapRectWithCoordinates:coords coordinateCount:count] edgePadding:UIEdgeInsetsMake(50, 30, 50, 30) animated:YES];
+//            });
+//
+//        }
+//
+//    }];
+//}
+@end