private void drawPoint(
PdfContext context, Rectangle iconRect, Color fillColor, Color strokeColor) {
float baseWidth = iconRect.getWidth() / 10;
SymbolInfo symbol = styleInfo.getSymbol();
if (symbol.getImage() != null) {
try {
Image pointImage = Image.getInstance(symbol.getImage().getHref());
context.drawImage(pointImage, iconRect, iconRect);
} catch (Exception ex) { // NOSONAR
log.error("Not able to create image for POINT Symbol", ex);
}
} else if (symbol.getRect() != null) {
context.fillRectangle(iconRect, fillColor);
context.strokeRectangle(iconRect, strokeColor, baseWidth / 2);
} else {
context.fillEllipse(iconRect, fillColor);
context.strokeEllipse(iconRect, strokeColor, baseWidth / 2);
}
}
private void drawLine(
PdfContext context, Rectangle iconRect, Color strokeColor, float[] dashArray) {
float baseWidth = iconRect.getWidth() / 10;
context.drawRelativePath(
new float[] {0f, 0.75f, 0.25f, 1f},
new float[] {0f, 0.25f, 0.75f, 1f},
iconRect,
strokeColor,
baseWidth * 2,
dashArray);
}
@SuppressWarnings("deprecation")
@Override
public void calculateSize(PdfContext context) {
LegendComponent legendComponent = getLegend();
assert (null != legendComponent)
: "LegendGraphicComponent must be a descendant of a LegendComponent";
Rectangle textSize = context.getTextSize(label, legendComponent.getFont());
float margin = 0.25f * legendComponent.getFont().getSize();
if (getConstraint().getMarginX() <= 0.0) {
getConstraint().setMarginX(margin);
}
if (getConstraint().getMarginY() <= 0.0) {
getConstraint().setMarginY(margin);
}
setBounds(new Rectangle(textSize.getHeight(), textSize.getHeight()));
}
@Override
public void render(PdfContext context) {
@SuppressWarnings("deprecation")
float w = getSize().getWidth();
@SuppressWarnings("deprecation")
float h = getSize().getHeight();
Rectangle iconRect = new Rectangle(0, 0, w, h);
Color fillColor = Color.white;
Color strokeColor = Color.black;
float[] dashArray = null;
if (styleInfo != null) {
fillColor =
context.getColor(styleInfo.getFillColor(), styleInfo.getFillOpacity(), Color.white);
strokeColor =
context.getColor(styleInfo.getStrokeColor(), styleInfo.getStrokeOpacity(), Color.black);
dashArray = context.getDashArray(styleInfo.getDashArray());
}
float baseWidth = iconRect.getWidth() / 10;
// draw symbol
switch (layerType) {
case RASTER:
Image img = context.getImage("/images/layer-raster.png");
context.drawImage(img, iconRect, null);
break;
case POINT:
case MULTIPOINT:
drawPoint(context, iconRect, fillColor, strokeColor);
break;
case LINESTRING:
case MULTILINESTRING:
drawLine(context, iconRect, strokeColor, dashArray);
break;
case POLYGON:
case MULTIPOLYGON:
context.fillRectangle(iconRect, fillColor);
context.strokeRectangle(iconRect, strokeColor, baseWidth, dashArray);
break;
case GEOMETRY:
drawPoint(context, iconRect, fillColor, strokeColor);
drawLine(context, iconRect, strokeColor, dashArray);
break;
default:
log.warn("Cannot draw unknown layerType " + layerType);
}
}