/**
* Set current pen color. Default to black if null.
*
* @param c new pen color.
*/
public void setColor(Color c) {
if (c != null) {
m_localGraphicsState.setColor(c);
if (m_psGraphicsState.getColor().equals(c)) {
return;
}
m_psGraphicsState.setColor(c);
} else {
m_localGraphicsState.setColor(Color.black);
m_psGraphicsState.setColor(getColor());
}
m_printstream.print(getColor().getRed() / 255.0);
m_printstream.print(" ");
m_printstream.print(getColor().getGreen() / 255.0);
m_printstream.print(" ");
m_printstream.print(getColor().getBlue() / 255.0);
m_printstream.println(" setrgbcolor");
}
/**
* PS see http://astronomy.swin.edu.au/~pbourke/geomformats/postscript/ Java
* http://show.docjava.com:8086/book/cgij/doc/ip/graphics/SimpleImageFrame.java.html
*/
public boolean drawImage(
Image img, int x, int y, int width, int height, Color bgcolor, ImageObserver observer) {
try {
// get data from image
int[] pixels = new int[width * height];
PixelGrabber grabber = new PixelGrabber(img, 0, 0, width, height, pixels, 0, width);
grabber.grabPixels();
ColorModel model = ColorModel.getRGBdefault();
// print data to ps
m_printstream.println("gsave");
m_printstream.println(
xTransform(xScale(x)) + " " + (yTransform(yScale(y)) - yScale(height)) + " translate");
m_printstream.println(xScale(width) + " " + yScale(height) + " scale");
m_printstream.println(
width + " " + height + " " + "8" + " [" + width + " 0 0 " + (-height) + " 0 " + height
+ "]");
m_printstream.println("{<");
int index;
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
index = i * width + j;
m_printstream.print(toHex(model.getRed(pixels[index])));
m_printstream.print(toHex(model.getGreen(pixels[index])));
m_printstream.print(toHex(model.getBlue(pixels[index])));
}
m_printstream.println();
}
m_printstream.println(">}");
m_printstream.println("false 3 colorimage");
m_printstream.println("grestore");
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}