Merge pull request #1725 from ismailsunni/metatile3

Add tileBufferSize on config

core/src/main/java/org/mapfish/print/processor/map/SetTiledWmsProcessor.java

@@ -47,6 +47,15 @@ public class SetTiledWmsProcessor extends AbstractProcessor<SetTiledWmsProcessor
      */
     private int maxHeight;
 
+    /**
+     * The tile buffer width in pixels.
+     */
+    private int tileBufferWidth;
+    /**
+     * The tile buffer height in pixels.
+     */
+    private int tileBufferHeight;
+
     /**
      * Constructor.
      */
@@ -103,13 +112,9 @@ public final Void execute(final Input values, final ExecutionContext context) th
                                     String.join(", ", wmsLayer.getParams().layers), tileSize.width,
                                     tileSize.height);
                     }
-                    // Notes(IS): Honestly I have no idea where should I put these buffer size.
-                    // It is needed for TiledWmsLayer (so that the values are accessible)
-                    final int tileBufferWidth = 0;
-                    final int tileBufferHeight = 0;
 
                     values.map.replaceLayer(i, new TiledWmsLayer(
-                            wmsLayer, tileSize, tileBufferWidth, tileBufferHeight));
+                            wmsLayer, tileSize, this.tileBufferWidth, this.tileBufferHeight));
                 }
             }
         }
@@ -173,4 +178,18 @@ public static final class Input {
         @InputOutputValue
         public GenericMapAttributeValues map;
     }
+
+    /**
+     * @param tileBufferWidth the tileBufferWidth to set
+     */
+    public void setTileBufferWidth(final int tileBufferWidth) {
+        this.tileBufferWidth = tileBufferWidth;
+    }
+
+    /**
+     * @param tileBufferHeight the tileBufferHeight to set
+     */
+    public void setTileBufferHeight(final int tileBufferHeight) {
+        this.tileBufferHeight = tileBufferHeight;
+    }
 }

examples/src/test/resources/examples/printtiledwms/config.yaml

@@ -29,3 +29,22 @@ templates:
       maxWidth: 256
       maxHeight: 256
     - !createMap {}
+
+  #===========================================================================
+  Auto meta tiling: !template
+    #===========================================================================
+    reportTemplate: simpleReport.jrxml
+    attributes:
+      map: !map
+        maxDpi: 400
+        width: 780
+        height: 330
+    processors:
+    - !reportBuilder # compile all reports in current directory
+      directory: '.'
+    - !setTiledWms
+      maxWidth: 256
+      maxHeight: 256
+      tileBufferWidth: 60
+      tileBufferHeight: 60
+    - !createMap {}

examples/src/test/resources/examples/printtiledwms/requestData-bbox-auto-meta-tiled-wms1_1_1.json

@@ -0,0 +1,32 @@
+{
+  "layout": "Auto meta tiling",
+  "outputFormat": "pdf",
+  "attributes": {
+    "map": {
+      "projection": "EPSG:4326",
+      "dpi": 72,
+      "rotation": 0,
+      "bbox": [
+        -130,
+        20,
+        -60,
+        50
+      ],
+      "longitudeFirst": true,
+      "layers": [
+        {
+          "type": "WMS",
+          "layers": [
+            "topp:states"
+          ],
+          "baseURL": "http://geoserver:8080/wms",
+          "imageFormat": "image/png",
+          "version": "1.1.1",
+          "customParams": {
+            "TRANSPARENT": "true"
+          }
+        }
+      ]
+    }
+  }
+}