protected void doPaintAxis(final Graphics g) {
if (scaleSizeInPixel == 0 || mapBackground != null) {
return;
}
final Font font = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_SMALL);
g.setFont(font);
g.setColor(0x00000000);
final int textBottom = height - 4 - SCALE_HEIGTH;
int left = 0;
for (int i = 0; i < scaleConfiguration.labelLocation.length; i++) {
final float location = scaleConfiguration.labelLocation[i];
final float value = scaleConfiguration.labelValue[i];
String label = Utils.floatToString(value, true);
if (location == 0) {
left = (font.stringWidth(label) / 2) + 2;
} else if (location == 1) {
label += " " + scaleConfiguration.unit;
}
g.drawString(
label,
left + (int) (scaleSizeInPixel * location),
textBottom,
Graphics.BOTTOM | Graphics.HCENTER);
}
g.drawRect(left, height - 2 - SCALE_HEIGTH, scaleSizeInPixel, SCALE_HEIGTH);
g.fillRect(left, height - 2 - SCALE_HEIGTH, scaleSizeInPixel / 2, SCALE_HEIGTH);
}
protected void onScaleChanged() {
if (mapBackground != null && currentPoint != null) {
final double latitude = DataProvider.LATITUDE.getValue(currentPoint) + panLatitude;
final double longitude = DataProvider.LONGITUDE.getValue(currentPoint) + panLong;
super.onScaleChanged(
mapBackground.getScaleX(), mapBackground.getScaleY(latitude), longitude, latitude);
} else {
super.onScaleChanged();
}
final double widthInMeter =
Utils.distance(
getYAxis().minValue, getXAxis().maxValue, getYAxis().maxValue, getXAxis().maxValue);
if (widthInMeter < 1) {
scaleSizeInPixel = 0;
return;
}
final double availableLengthInMeter = widthInMeter * 0.9;
scaleConfiguration =
Preferences.getInstance().getUnitsConverter().getScaleDistance(availableLengthInMeter);
scaleSizeInPixel = (int) ((scaleConfiguration.lengthInSourceUnits / widthInMeter) * width);
}