@Override
public void drawPolygon(int[] xPoints, int[] yPoints, int nPoints) {
polygonsStart.append(xs.size());
polygonsSize.append(nPoints);
xs.append(xPoints, 0, nPoints, tx);
ys.append(yPoints, 0, nPoints, ty);
}
@Override
public void drawLine(int x1, int y1, int x2, int y2) {
linesStart.append(xs.size());
xs.append(x1 + tx);
xs.append(x2 + tx);
ys.append(y1 + ty);
ys.append(y2 + ty);
}
@Override
public void write(DataOutput out) throws IOException {
out.writeInt(width);
out.writeInt(height);
xs.write(out);
ys.write(out);
linesStart.write(out);
polylinesStart.write(out);
polylinesSize.write(out);
polygonsStart.write(out);
polygonsSize.write(out);
rectanglesStart.write(out);
}
@Override
public void readFields(DataInput in) throws IOException {
width = in.readInt();
height = in.readInt();
xs.readFields(in);
ys.readFields(in);
linesStart.readFields(in);
polylinesStart.readFields(in);
polylinesSize.readFields(in);
polygonsStart.readFields(in);
polygonsSize.readFields(in);
rectanglesStart.readFields(in);
}
@Override
public void fillRect(int x, int y, int width, int height) {
rectanglesStart.append(xs.size());
xs.append(x + tx);
ys.append(y + ty);
xs.append(width);
ys.append(height);
}
public void writeAsSVG(PrintStream p) {
// Write header
p.println("<?xml version='1.0' standalone='no'?>");
p.println(
"<!DOCTYPE svg PUBLIC '-//W3C/DTD SVG 1.1//EN' "
+ "'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd'>");
p.printf(
"<svg width='%d' height='%d' version='1.1' " + "xmlns='http://www.w3.org/2000/svg'>\n",
width, height);
// Retrieve all xs and ys as java arrays for efficiency
int[] xs = this.xs.underlyingArray();
int[] ys = this.ys.underlyingArray();
// 1- Draw all lines
if (linesStart.size() > 0) {
p.printf("<g style='stroke:rgb(0,0,0);'>\n");
for (int i = 0; i < linesStart.size(); i++) {
int lineStart = linesStart.get(i);
p.printf(
"<line x1='%d' y1='%d' x2='%d' y2='%d'/>\n",
xs[lineStart], ys[lineStart], xs[lineStart + 1], ys[lineStart + 1]);
}
p.printf("</g>\n");
}
// 2- Draw all polygons
if (polygonsStart.size() > 0) {
p.printf("<g style='stroke:rgb(0,0,0);'>\n");
for (int i = 0; i < polygonsStart.size(); i++) {
int polygonStart = polygonsStart.get(i);
int polygonSize = polygonsSize.get(i);
p.print("<polygon points='");
for (int j = polygonStart; j < polygonStart + polygonSize; j++) {
p.printf("%d,%d ", xs[j], ys[j]);
}
p.println("'/>");
}
p.printf("</g>\n");
}
// 3- Draw all polylines
if (polylinesStart.size() > 0) {
p.printf("<g style='stroke:rgb(0,0,0); fill:none;'>\n");
for (int i = 0; i < polylinesStart.size(); i++) {
int polylineStart = polylinesStart.get(i);
int polylineSize = polylinesSize.get(i);
p.print("<polyline points='");
for (int j = polylineStart; j < polylineStart + polylineSize; j++) {
p.printf("%d,%d ", xs[j], ys[j]);
}
p.println("'/>");
}
p.printf("</g>\n");
}
// 4- Draw all rectangles
if (rectanglesStart.size() > 0) {
p.printf("<g style='stroke:rgb(0,0,0); fill:none;'>\n");
for (int i = 0; i < rectanglesStart.size(); i++) {
int rectStart = rectanglesStart.get(i);
p.printf(
"<rect x='%d' y='%d' width='%d' height='%d'/>\n",
xs[rectStart], ys[rectStart], xs[rectStart + 1], ys[rectStart + 1]);
}
p.printf("</g>\n");
}
p.println("</svg>");
}