//
// Triple Play - utilities for use in PlayN-based games
// Copyright (c) 2011-2014, Three Rings Design, Inc. - All rights reserved.
// http://github.com/threerings/tripleplay/blob/master/LICENSE
package tripleplay.platform;
import java.awt.image.BufferedImage;
import java.awt.image.ComponentColorModel;
import java.awt.image.DirectColorModel;
import java.awt.image.IndexColorModel;
import java.awt.image.WritableRaster;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.PaletteData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import playn.java.JavaImage;
public class SWTConvert
{
public SWTConvert (Display display) {
_display = display;
}
public Image image (playn.core.Image image) {
return new Image(_display, image(((JavaImage)image).bufferedImage()));
}
public ImageData image (BufferedImage image) {
if (image.getColorModel() instanceof DirectColorModel) {
DirectColorModel cmodel = (DirectColorModel)image.getColorModel();
PaletteData palette = new PaletteData(
cmodel.getRedMask(), cmodel.getGreenMask(), cmodel.getBlueMask());
ImageData data = new ImageData(image.getWidth(), image.getHeight(),
cmodel.getPixelSize(), palette);
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
int rgb = image.getRGB(x, y);
int pixel = palette.getPixel(
new RGB((rgb >> 16) & 0xFF, (rgb >> 8) & 0xFF, rgb & 0xFF));
data.setPixel(x, y, pixel);
if (cmodel.hasAlpha()) data.setAlpha(x, y, (rgb >> 24) & 0xFF);
}
}
return data;
} else if (image.getColorModel() instanceof IndexColorModel) {
IndexColorModel cmodel = (IndexColorModel)image.getColorModel();
int size = cmodel.getMapSize();
byte[] reds = new byte[size];
byte[] greens = new byte[size];
byte[] blues = new byte[size];
cmodel.getReds(reds);
cmodel.getGreens(greens);
cmodel.getBlues(blues);
RGB[] rgbs = new RGB[size];
for (int ii = 0; ii < rgbs.length; ii++) {
rgbs[ii] = new RGB(reds[ii] & 0xFF, greens[ii] & 0xFF, blues[ii] & 0xFF);
}
PaletteData palette = new PaletteData(rgbs);
ImageData data = new ImageData(
image.getWidth(), image.getHeight(), cmodel.getPixelSize(), palette);
data.transparentPixel = cmodel.getTransparentPixel();
WritableRaster raster = image.getRaster();
int[] pixelArray = new int[1];
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
raster.getPixel(x, y, pixelArray);
data.setPixel(x, y, pixelArray[0]);
}
}
return data;
} else if (image.getColorModel() instanceof ComponentColorModel) {
ComponentColorModel cmodel = (ComponentColorModel)image.getColorModel();
PaletteData palette = new PaletteData(0x0000FF, 0x00FF00, 0xFF0000); // BGR
ImageData data = new ImageData(image.getWidth(), image.getHeight(), 24, palette);
if (cmodel.hasAlpha()) data.alphaData = new byte[image.getWidth() * image.getHeight()];
WritableRaster raster = image.getRaster();
int[] pixelArray = new int[4];
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
raster.getPixel(x, y, pixelArray);
data.setPixel(x, y,
(pixelArray[2] << 16) | (pixelArray[1] << 8) | (pixelArray[0]));
if (data.alphaData != null)
data.alphaData[y*data.width + x] = (byte)pixelArray[3];
}
}
return data;
}
return null;
}
public Font font (playn.core.Font font)
{
int style;
switch (font.style()) {
default:
style = SWT.NORMAL;
break;
case BOLD:
style = SWT.BOLD;
break;
case ITALIC:
style = SWT.ITALIC;
break;
case BOLD_ITALIC:
style = SWT.BOLD | SWT.ITALIC;
break;
}
int height = (int)Math.round(font.size() * 72.0 / _display.getDPI().y);
Font swt = new Font(_display, font.name(), height, style);
return swt;
}
public Color color (int color)
{
class Pl extends playn.core.Color {}
return new Color(_display, Pl.red(color), Pl.green(color), Pl.blue(color));
}
protected final Display _display;
}