Changeset 5801 in josm for trunk/src

Timestamp:

2013-03-24T12:58:45+01:00 (12 years ago)

Author:

bastiK

Message:

mapcss: new map element 'repeat-image' similar to 'pattern-image', but more flexible

Location:

trunk/src/org/openstreetmap/josm

Files:

• data/osm/visitor/paint/StyledMapRenderer.java (modified) (4 diffs)
• gui/mappaint/ElemStyles.java (modified) (2 diffs)
• gui/mappaint/LineElemStyle.java (modified) (1 diff)
• gui/mappaint/LinePatternElemStyle.java (modified) (1 diff)
• gui/mappaint/RepeatImageElemStyle.java (added)
• gui/mappaint/StyleKeys.java (modified) (1 diff)
• gui/mappaint/mapcss/Instruction.java (modified) (1 diff)

trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRenderer.java

@@ -57 +57 @@
 import org.openstreetmap.josm.gui.mappaint.NodeElemStyle;
 import org.openstreetmap.josm.gui.mappaint.NodeElemStyle.Symbol;
+import org.openstreetmap.josm.gui.mappaint.RepeatImageElemStyle.LineImageAlignment;
 import org.openstreetmap.josm.gui.mappaint.StyleCache.StyleList;
 import org.openstreetmap.josm.gui.mappaint.TextElement;
@@ -595 +596 @@
     }
 
+    @Deprecated
     public void drawLinePattern(Way way, Image pattern) {
-        final int width = pattern.getWidth(null);
-        final int height = pattern.getHeight(null);
+        drawRepeatImage(way, pattern, 0f, 0f, LineImageAlignment.TOP);
+    }
+
+    /**
+     * Draw an image along a way repeatedly.
+     *
+     * @param way the way
+     * @param pattern the image
+     * @param offset offset from the way
+     * @param spacing spacing between two images
+     * @param align alignment of the image. The top, center or bottom edge
+     * can be aligned with the way.
+     */
+    public void drawRepeatImage(Way way, Image pattern, float offset, float spacing, LineImageAlignment align) {
+        final int imgWidth = pattern.getWidth(null);
+        final double repeat = imgWidth + spacing;
+        final int imgHeight = pattern.getHeight(null);
 
         Point lastP = null;
-        double wayLength = 0;
-
-        Iterator<Node> it = way.getNodes().iterator();
+        double currentWayLength = 0;
+
+        int dy1, dy2;
+        switch (align) {
+            case TOP:
+                dy1 = 0;
+                dy2 = imgHeight;
+                break;
+            case CENTER:
+                dy1 = - imgHeight / 2;
+                dy2 = imgHeight + dy1;
+                break;
+            case BOTTOM:
+                dy1 = -imgHeight;
+                dy2 = 0;
+                break;
+            default:
+                throw new AssertionError();
+        }
+
+        OffsetIterator it = new OffsetIterator(way.getNodes(), offset);
         while (it.hasNext()) {
-            Node n = it.next();
-            Point thisP = nc.getPoint(n);
+            Point thisP = it.next();
 
             if (lastP != null) {
@@ -613 +647 @@
                 final double dy = thisP.y - lastP.y;
 
-                double dist = wayLength == 0 ? 0 : width - (wayLength % width);
+                double pos = currentWayLength == 0 ? 0 : repeat - (currentWayLength % repeat);
 
                 AffineTransform saveTransform = g.getTransform();
@@ -619 +653 @@
                 g.rotate(Math.atan2(dy, dx));
 
-                if (dist > 0) {
-                    g.drawImage(pattern, 0, 0, (int) dist, height,
-                            width - (int) dist, 0, width, height, null);
-                }
-                while (dist < segmentLength) {
-                    if (dist + width > segmentLength) {
-                        g.drawImage(pattern, (int) dist, 0, (int) segmentLength, height,
-                                0, 0, (int) segmentLength - (int) dist, height, null);
+                // draw the rest of the image from the last segment in case it
+                // is cut off
+                if (pos > spacing) {
+                    g.drawImage(pattern, 0, dy1, (int) (pos - spacing), dy2,
+                            (int) (imgWidth + spacing - pos), 0, imgWidth, imgHeight, null);
+                }
+                // draw remaining images for this segment
+                while (pos < segmentLength) {
+                    // cut off at the end?
+                    if (pos + imgWidth > segmentLength) {
+                        g.drawImage(pattern, (int) pos, dy1, (int) segmentLength, dy2,
+                                0, 0, (int) segmentLength - (int) pos, imgHeight, null);
                     } else {
-                        g.drawImage(pattern, (int) dist, 0, nc);
+                        g.drawImage(pattern, (int) pos, dy1, nc);
                     }
-                    dist += width;
+                    pos += repeat;
                 }
                 g.setTransform(saveTransform);
 
-                wayLength += segmentLength;
+                currentWayLength += segmentLength;
             }
             lastP = thisP;
         }
     }
-    
+
     @Override
     public void drawNode(Node n, Color color, int size, boolean fill) {

trunk/src/org/openstreetmap/josm/gui/mappaint/ElemStyles.java

@@ -314 +314 @@
                 addIfNotNull(sl, AreaElemStyle.create(c));
                 addIfNotNull(sl, LinePatternElemStyle.create(env));
+                addIfNotNull(sl, RepeatImageElemStyle.create(env));
                 addIfNotNull(sl, LineElemStyle.createLine(env));
                 addIfNotNull(sl, LineElemStyle.createLeftCasing(env));
@@ -331 +332 @@
                     addIfNotNull(sl, AreaElemStyle.create(c));
                     addIfNotNull(sl, LinePatternElemStyle.create(env));
+                    addIfNotNull(sl, RepeatImageElemStyle.create(env));
                     addIfNotNull(sl, LineElemStyle.createLine(env));
                     addIfNotNull(sl, LineElemStyle.createCasing(env));

trunk/src/org/openstreetmap/josm/gui/mappaint/LineElemStyle.java

@@ -12 +12 @@
 import org.openstreetmap.josm.data.osm.Way;
 import org.openstreetmap.josm.data.osm.visitor.paint.MapPaintSettings;
+import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
 import org.openstreetmap.josm.data.osm.visitor.paint.StyledMapRenderer;
-import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
 import org.openstreetmap.josm.gui.mappaint.mapcss.Instruction.RelativeFloat;
 import org.openstreetmap.josm.tools.Utils;

trunk/src/org/openstreetmap/josm/gui/mappaint/LinePatternElemStyle.java

@@ -9 +9 @@
 
 /**
- * similar to mapnik's LinePatternSymbolizer
+ * Similar to mapnik's LinePatternSymbolizer.
+ *
+ * @deprecated superseded by #{@link RepeatImageElemStyle}
  */
+@Deprecated
 public class LinePatternElemStyle extends ElemStyle {
 

trunk/src/org/openstreetmap/josm/gui/mappaint/StyleKeys.java

@@ -4 +4 @@
 public interface StyleKeys {
 
-    public static final String COLOR = "color";
-    public static final String DASHES = "dashes";
-    public static final String DASHES_BACKGROUND_COLOR = "dashes-background-color";
-    public static final String DASHES_BACKGROUND_OPACITY = "dashes-background-opacity";
-    public static final String DASHES_OFFSET = "dashes-offset";
-    public static final String FILL_COLOR = "fill-color";
-    public static final String FILL_IMAGE = "fill-image";
-    public static final String FILL_OPACITY = "fill-opacity";
-    public static final String ICON_IMAGE = "icon-image";
-    public static final String MODIFIER = "modifier";
-    public static final String OBJECT_Z_INDEX = "object-z-index";
-    public static final String OFFSET = "offset";
-    public static final String OPACITY = "opacity";
-    public static final String REAL_WIDTH = "real-width";
-    public static final String TEXT_POSITION = "text-position";
-    public static final String TEXT = "text";
-    public static final String WIDTH = "width";
-    public static final String Z_INDEX = "z-index";
+    String COLOR = "color";
+    String DASHES = "dashes";
+    String DASHES_BACKGROUND_COLOR = "dashes-background-color";
+    String DASHES_BACKGROUND_OPACITY = "dashes-background-opacity";
+    String DASHES_OFFSET = "dashes-offset";
+    String FILL_COLOR = "fill-color";
+    String FILL_IMAGE = "fill-image";
+    String FILL_OPACITY = "fill-opacity";
+    String ICON_IMAGE = "icon-image";
+    String MODIFIER = "modifier";
+    String OBJECT_Z_INDEX = "object-z-index";
+    String OFFSET = "offset";
+    String OPACITY = "opacity";
+    String REAL_WIDTH = "real-width";
+    String TEXT_POSITION = "text-position";
+    String TEXT = "text";
+    String WIDTH = "width";
+    String Z_INDEX = "z-index";
+    String REPEAT_IMAGE = "repeat-image";
+    String REPEAT_IMAGE_OFFSET = "repeat-image-offset";
+    String REPEAT_IMAGE_SPACING = "repeat-image-spacing";
+    String REPEAT_IMAGE_ALIGN = "repeat-image-align";
 }

trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Instruction.java

@@ -73 +73 @@
                 value = val;
             }
-            if (key.equals(ICON_IMAGE) || key.equals(FILL_IMAGE) || key.equals("pattern-image")) {
+            if (key.equals(ICON_IMAGE) || key.equals(FILL_IMAGE) || key.equals("pattern-image") || key.equals(REPEAT_IMAGE)) {
                 if (value instanceof String) {
                     value = new IconReference((String) value, env.source);