protected void onDrawItem(
final Canvas canvas, final int zoomLevel, final Item item, final Point curScreenCoords) {
MaskableOverlayItem maskableItem = item;
if (maskableItem.isHidden()) {
return;
}
final Station station = (Station) item.getRelatedObject();
final boolean zoomLevelDetailled = OverlayZoomUtils.isDetailledZoomLevel(zoomLevel);
final Drawable marker = getDefaultMarker(zoomLevelDetailled, station.isStarred());
boundToHotspot(marker, HotspotPlace.BOTTOM_CENTER);
Overlay.drawAt(canvas, marker, curScreenCoords.x, curScreenCoords.y, false, 0);
if (zoomLevelDetailled) {
mTitlePaint.setColor(
getResourceProxy().getColor(ColorSelector.getColorForMap(station.getBikes())));
canvas.drawText(
station.getBikesAsString(),
mCurScreenCoords.x - (8 * mScale),
mCurScreenCoords.y - (26 * mScale),
mTitlePaint);
mTitlePaint.setColor(
getResourceProxy().getColor(ColorSelector.getColorForMap(station.getAttachs())));
canvas.drawText(
station.getAttachsAsString(),
mCurScreenCoords.x - (8 * mScale),
mCurScreenCoords.y - (13 * mScale),
mTitlePaint);
}
}
public void drawItem(final Canvas c, final MapView osmv, Item item) {
Drawable markerFocusedBase = item.getMarker(OverlayItem.ITEM_STATE_FOCUSED_MASK);
if (markerFocusedBase == null) {
markerFocusedBase = this.mMarkerFocusedBase;
}
/* Calculate and set the bounds of the marker. */
osmv.getProjection().toPixels(item.getPoint(), mFocusedScreenCoords);
markerFocusedBase.copyBounds(mRect);
mRect.offset(mFocusedScreenCoords.x, mFocusedScreenCoords.y);
/* Strings of the OverlayItem, we need. */
final String itemTitle = (item.getTitle() == null) ? UNKNOWN : item.getTitle();
final String itemDescription = (item.getSnippet() == null) ? UNKNOWN : item.getSnippet();
/*
* Store the width needed for each char in the description to a float array. This is pretty
* efficient.
*/
final float[] widths = new float[itemDescription.length()];
this.descriptionPaint.getTextWidths(itemDescription, widths);
final StringBuilder sb = new StringBuilder();
int maxWidth = 0;
int curLineWidth = 0;
int lastStop = 0;
int i;
int lastwhitespace = 0;
/*
* Loop through the charwidth array and harshly insert a linebreak, when the width gets
* bigger than DESCRIPTION_MAXWIDTH.
*/
for (i = 0; i < widths.length; i++) {
if (!Character.isLetter(itemDescription.charAt(i))) {
lastwhitespace = i;
}
final float charwidth = widths[i];
if (curLineWidth + charwidth > DESCRIPTION_MAXWIDTH) {
if (lastStop == lastwhitespace) {
i--;
} else {
i = lastwhitespace;
}
sb.append(itemDescription.subSequence(lastStop, i));
sb.append('\n');
lastStop = i;
maxWidth = Math.max(maxWidth, curLineWidth);
curLineWidth = 0;
}
curLineWidth += charwidth;
}
/* Add the last line to the rest to the buffer. */
if (i != lastStop) {
final String rest = itemDescription.substring(lastStop, i);
maxWidth = Math.max(maxWidth, (int) this.descriptionPaint.measureText(rest));
sb.append(rest);
}
final String[] lines = sb.toString().split("\n");
/*
* The title also needs to be taken into consideration for the width calculation.
*/
final int titleWidth = (int) this.descriptionPaint.measureText(itemTitle);
maxWidth = Math.max(maxWidth, titleWidth);
final int descWidth = Math.min(maxWidth, DESCRIPTION_MAXWIDTH);
/* Calculate the bounds of the Description box that needs to be drawn. */
final int descBoxLeft =
mRect.left - descWidth / 2 - DESCRIPTION_BOX_PADDING + mRect.width() / 2;
final int descBoxRight = descBoxLeft + descWidth + 2 * DESCRIPTION_BOX_PADDING;
final int descBoxBottom = mRect.top;
final int descBoxTop =
descBoxBottom
- DESCRIPTION_TITLE_EXTRA_LINE_HEIGHT
- (lines.length + 1) * DESCRIPTION_LINE_HEIGHT /* +1 because of the title. */
- 2 * DESCRIPTION_BOX_PADDING;
/* Twice draw a RoundRect, once in black with 1px as a small border. */
this.mMarkerBackgroundPaint.setColor(Color.BLACK);
c.drawRoundRect(
new RectF(descBoxLeft - 1, descBoxTop - 1, descBoxRight + 1, descBoxBottom + 1),
DESCRIPTION_BOX_CORNERWIDTH,
DESCRIPTION_BOX_CORNERWIDTH,
this.descriptionPaint);
this.mMarkerBackgroundPaint.setColor(this.mMarkerFocusedBackgroundColor);
c.drawRoundRect(
new RectF(descBoxLeft, descBoxTop, descBoxRight, descBoxBottom),
DESCRIPTION_BOX_CORNERWIDTH,
DESCRIPTION_BOX_CORNERWIDTH,
this.mMarkerBackgroundPaint);
final int descLeft = descBoxLeft + DESCRIPTION_BOX_PADDING;
int descTextLineBottom = descBoxBottom - DESCRIPTION_BOX_PADDING;
/* Draw all the lines of the description. */
for (int j = lines.length - 1; j >= 0; j--) {
c.drawText(lines[j].trim(), descLeft, descTextLineBottom, this.descriptionPaint);
descTextLineBottom -= DESCRIPTION_LINE_HEIGHT;
}
/* Draw the title. */
c.drawText(
itemTitle,
descLeft,
descTextLineBottom - DESCRIPTION_TITLE_EXTRA_LINE_HEIGHT,
this.titlePaint);
c.drawLine(descBoxLeft, descTextLineBottom, descBoxRight, descTextLineBottom, descriptionPaint);
/*
* Finally draw the marker base. This is done in the end to make it look better.
*/
Overlay.drawAt(
c, markerFocusedBase, mFocusedScreenCoords.x, mFocusedScreenCoords.y, false, 0.0f);
}