Revision 6897 org.gvsig.raster/branches/org.gvsig.raster.2.4/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.legend/org.gvsig.raster.lib.legend.impl/src/main/java/org/gvsig/raster/lib/legend/impl/DefaultRasterLegendManager.java
| DefaultRasterLegendManager.java | ||
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import org.gvsig.raster.lib.legend.api.Transparency; |
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import org.gvsig.raster.lib.legend.api.TransparencyRange; |
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import org.gvsig.raster.lib.legend.impl.io.gvSIGColorTableIO; |
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import org.apache.commons.lang3.tuple.ImmutablePair; |
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import org.apache.commons.lang3.tuple.Pair; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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| ... | ... | |
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} |
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@Override |
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public List<ColorTable> getColorTables(File folder) {
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public List<Pair<File, ColorTable>> getColorTables(File folder) {
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if (folder.isFile()) {
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throw new IllegalArgumentException("File object has to be a directory");
|
| ... | ... | |
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"It is necessary read permissions to get files and load color tables"); |
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} |
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List<ColorTable> colorTables = new ArrayList<ColorTable>();
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List<Pair<File, ColorTable>> colorTables = new ArrayList<Pair<File, ColorTable>>();
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for (File file : listFilesForFolder(folder)) {
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Collection<ColorTableIOFactory> factories = this.colorTableIOFactories.values(); |
| ... | ... | |
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ColorTableIO colorTableIO = colorTableIOFactory.create(); |
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try{
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ColorTable colorTable = colorTableIO.read(file); |
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colorTables.add(colorTable);
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colorTables.add(new ImmutablePair<File, ColorTable>(file,colorTable));
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break; |
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} catch (Exception e){
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// Log warn but continue reading files. |
| ... | ... | |
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} |
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@Override |
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public List<ColorTableClass> createListColorTableClasses(double minimum, double maximum, int intervals, Color fromColor, Color toColor){
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double intervalSize = (maximum-minimum)/intervals; |
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return createListColorTableClasses(minimum, maximum, intervalSize, fromColor, toColor); |
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} |
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@Override |
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public List<ColorTableClass> createListColorTableClasses(double minimum, double maximum, double intervalSize, Color fromColor, Color toColor){
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List<ColorTableClass> colorTableClasses = new ArrayList<ColorTableClass>(); |
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int counter = 0; |
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double value = minimum; |
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Color color = fromColor; |
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while(value<maximum){
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double proportion = (value-minimum)/(maximum-minimum); |
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color = getInterpolatedColor(fromColor, toColor, proportion); |
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ColorTableClass colorTableClass = this.createColorTableClass(new Integer(counter).toString(), value, 50.0, color); |
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colorTableClasses.add(colorTableClass); |
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value = value + intervalSize; |
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counter++; |
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} |
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value = maximum; |
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ColorTableClass colorTableClass = this.createColorTableClass(new Integer(counter).toString(), value, 50.0, toColor); |
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colorTableClasses.add(colorTableClass); |
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return colorTableClasses; |
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} |
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private Color getInterpolatedColor(Color fromColor, Color toColor, double proportion){
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int red = fromColor.getRed(); |
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int green = fromColor.getGreen(); |
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int blue = fromColor.getBlue(); |
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int alpha = fromColor.getAlpha(); |
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int rangeRed = toColor.getRed()-fromColor.getRed(); |
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red = (int)Math.round(fromColor.getRed()+(rangeRed*proportion)); |
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int rangeGreen = toColor.getGreen()-fromColor.getGreen(); |
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green = (int)Math.round(fromColor.getGreen()+(rangeGreen*proportion)); |
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int rangeBlue = toColor.getBlue()-fromColor.getBlue(); |
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blue = (int)Math.round(fromColor.getBlue()+(rangeBlue*proportion)); |
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int rangeAlpha = toColor.getAlpha()-fromColor.getAlpha(); |
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alpha = (int)Math.round(fromColor.getAlpha()+(rangeAlpha*proportion)); |
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return new Color(red, green, blue, alpha); |
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} |
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@Override |
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public ColorTableIO getColorTableIO() {
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ColorTableIOFactory defaultFactory = this.colorTableIOFactories.get(gvSIGColorTableIO.NAME); |
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if (defaultFactory == null) {
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