Revision 2308 org.gvsig.raster/branches/org.gvsig.raster_dataaccess_refactoring/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/store/properties/DataStoreTransparency.java
| DataStoreTransparency.java | ||
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.NoData; |
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import org.gvsig.fmap.dal.coverage.datastruct.TransparencyRange; |
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import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
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import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
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import org.gvsig.fmap.dal.coverage.util.PropertyEvent; |
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import org.gvsig.fmap.dal.coverage.util.PropertyListener; |
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import org.gvsig.raster.impl.DefaultRasterManager; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.persistence.PersistenceManager; |
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* </UL> |
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* </p> |
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* |
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* @version 07/06/2007 |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public class DataStoreTransparency implements Transparency, Persistent {
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public static final String PERSISTENCE_NAME = "Transparency_Persistent"; |
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|
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public static int MAX_OPACITY = 255; |
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protected int alphaBandNumber = -1; |
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|
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/** |
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* Buffer con la banda alpha correspondiente a la zona a renderizar
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* Alpha source
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*/ |
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private Buffer mask = null; |
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protected ColorInterpretation |
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colorInterpretation = null; |
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/** |
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* Buffer con los datos originales (sin filtrar) correspondiente a la zona a renderizar. |
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* Esto es util para aplicar el valor NoData ya que hay que consultar el valor original del |
| ... | ... | |
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/** |
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* Constructor |
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*/ |
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public DataStoreTransparency() {
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public DataStoreTransparency(ColorInterpretation colorInterpretation) {
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this.colorInterpretation = colorInterpretation; |
|
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} |
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/** |
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* Constructor de copia |
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*/ |
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@SuppressWarnings("unchecked")
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public DataStoreTransparency(Transparency tParam) {
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DataStoreTransparency t = null; |
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if(tParam instanceof DataStoreTransparency) |
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t = (DataStoreTransparency)tParam; |
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else |
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return; |
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//TODO: FUNCIONALIDAD: Falta asignar lo necesario para la transparencia por selecci?n |
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this.transparencyRanges = (List<TransparencyRange>) ((ArrayList<TransparencyRange>)t.getTransparencyRange()).clone(); |
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if(this.mask != null) |
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this.mask = t.getAlphaBand(); |
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this.opacity = t.getOpacity(); |
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this.alphaBandNumber = t.alphaBandNumber; |
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this.noData = (NoData)t.getNoData().clone(); |
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if(this.originalData != null) |
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this.originalData = t.originalData; |
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this.transparencyActive = t.transparencyActive; |
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|
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public static void mergeBuffers(Buffer src1, Buffer src2) {
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for (int y = 0; y < src1.getHeight(); y++) |
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for (int x = 0; x < src1.getWidth(); x++) |
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// ((a / 255) * (b / 255)) * 255 |
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// Es lo mismo que: |
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// (a * b) / 255 |
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src1.setElem(y, x, 0, |
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(byte) (((src1.getElemByte(y, x, 0) & 0xff) * (src2.getElemByte(y, x, 0) & 0xff)) / 255D)); |
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} |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.fmap.dal.coverage.store.props.Transparency#addPropertyListener(PropertyListener) |
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*/ |
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public void addPropertyListener(PropertyListener listener) {
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transparencyPropertyListener.add(listener); |
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} |
| ... | ... | |
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} |
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} |
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|
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/** |
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* Obtiene la m?scara asociada |
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* @return M?scara de transparencia |
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*/ |
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public Buffer getAlphaBand() {
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return mask; |
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} |
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public void setAlphaBand(Buffer b) {
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if(b == null && mask != null) {
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mask = b; |
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//callPropertyChanged(this); |
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return; |
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} else {
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mask = b; |
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//if(b != null) |
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//callPropertyChanged(this); |
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} |
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} |
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|
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public boolean existAlphaBand() {
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return (mask != null);
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return getAlphaBandNumber() >= 0;
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} |
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|
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/** |
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* Obtiene el ?rea de datos |
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* @return M?scara de transparencia |
| ... | ... | |
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} |
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|
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/** |
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* Mezcla el alpha actual con el que nos pasan por parametro y se asigna |
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* directamente a destino |
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* @param buffer |
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* @param dst |
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*/ |
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public void mergeBuffer(Buffer buffer, Buffer dst) {
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for (int y = 0; y < mask.getHeight(); y++) |
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for (int x = 0; x < mask.getWidth(); x++) |
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// ((a / 255) * (b / 255)) * 255 |
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// Es lo mismo que: |
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// (a * b) / 255 |
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dst.setElem(y, x, 0, |
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(byte) (((mask.getElemByte(y, x, 0) & 0xff) * (buffer.getElemByte(y, x, 0) & 0xff)) / 255D)); |
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} |
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|
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/** |
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* Mezcla un objeto Transparency con el actual |
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* @param ts objeto TransparencyStatus |
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*/ |
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public Transparency merge(Transparency tParam) {
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DataStoreTransparency transp = null; |
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if(tParam instanceof DataStoreTransparency) |
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transp = (DataStoreTransparency)tParam; |
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else |
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return null; |
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|
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DataStoreTransparency t = new DataStoreTransparency(); |
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// Mezclamos la opacidad |
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double op1 = (double) opacity / (double) MAX_OPACITY; |
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double op2 = (double) transp.getOpacity() / (double) MAX_OPACITY; |
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t.setOpacity((int) (op1 * op2 * MAX_OPACITY)); |
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|
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// Mezclamos los rangos de transparencia |
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List<TransparencyRange> tr = transp.getTransparencyRange(); |
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for (int i = 0; i < tr.size(); i++) |
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transparencyRanges.add(tr.get(i)); |
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|
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// TODO: FUNCIONALIDAD Mezclamos la m?scara |
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if (mask != null && transp.getAlphaBand() != null) {
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Buffer newMask = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_BYTE, mask.getWidth(), mask.getHeight(), 1, true); |
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// Mezclamos alphaBand con el que nos pasan en transp y lo asignamos al nuevo buffer |
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mergeBuffer(transp.getAlphaBand(), newMask); |
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t.setAlphaBand(newMask); |
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} else if (mask != null) {
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t.setAlphaBand(mask); |
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t.alphaBandNumber = alphaBandNumber; |
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} else {
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t.setAlphaBand(transp.getAlphaBand()); |
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t.alphaBandNumber = transp.alphaBandNumber; |
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} |
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|
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// TODO: FUNCIONALIDAD Mezclamos las ?reas |
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|
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// TODO: FUNCIONALIDAD Mezclamos las mascaras |
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return t; |
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} |
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|
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/** |
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* Obtiene la banda de transpareci si existe o -1 si no existe. |
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* @return n?mero de banda de transparencia o -1 si no existe. |
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*/ |
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public int getAlphaBandNumber() {
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return alphaBandNumber;
|
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return colorInterpretation.getAlphaBand();
|
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} |
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|
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/** |
| ... | ... | |
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* @param true si existe banda de transparencia y false si no lo es. |
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*/ |
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public void setTransparencyBand(int alphaBandNumber) {
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this.alphaBandNumber = alphaBandNumber;
|
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colorInterpretation.setColorInterpValue(alphaBandNumber, ColorInterpretation.ALPHA_BAND);
|
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} |
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|
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/** |
| ... | ... | |
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this.transparencyActive = transparencyActive; |
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} |
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|
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public int processRGB(int r, int g, int b, int line, int col) {
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public int processRGB(int r, int g, int b, int line, int col, Buffer buf) {
|
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// Si el valor es noData se pone totalmente transparente y ya no se tiene en |
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// cuenta nada m?s. |
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if (originalData != null && (getNoData().isDefined() && getNoData().isNoDataTransparent())) {
|
| ... | ... | |
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if (alphaRange != 255) |
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a *= (alphaRange / 255D); |
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if (existAlphaBand() && getAlphaBand() != null)
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a *= (getAlphaBand().getElemByte(line, col, 0) & 0xff) / 255D;
|
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if (existAlphaBand() && buf != null)
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a *= (buf.getElemByte(line, col, getAlphaBandNumber()) & 0xff) / 255D;
|
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// Quitada la multiplicacion para optimizar |
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// a = (int)(a * 255D); |
| ... | ... | |
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return 255; |
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} |
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|
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public void setColorInterpretation(ColorInterpretation colorInterpretation) {
|
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this.colorInterpretation = colorInterpretation; |
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} |
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|
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@SuppressWarnings("unchecked")
|
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public Transparency cloneTransparency() {
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DataStoreTransparency t = new DataStoreTransparency(); |
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DataStoreTransparency t = new DataStoreTransparency(this.colorInterpretation.cloneColorInterpretation());
|
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|
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//TODO: FUNCIONALIDAD: Falta asignar lo necesario para la transparencia por selecci?n |
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t.transparencyRanges = (ArrayList<TransparencyRange>)((ArrayList<TransparencyRange>) getTransparencyRange()).clone(); |
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t.mask = getAlphaBand(); |
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//t.mask = getAlphaBand();
|
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t.opacity = getOpacity(); |
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t.alphaBandNumber = alphaBandNumber; |
|
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t.noData = getNoData(); |
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t.originalData = originalData; |
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t.transparencyActive = t.transparencyActive;
|
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t.transparencyActive = transparencyActive; |
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t.activeTransparency(); |
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return t; |
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} |
| ... | ... | |
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if(tr != null) {
|
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transparencyRanges = new ArrayList<TransparencyRange>(tr); |
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if (state.hasValue("bandnumber")) {
|
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alphaBandNumber = state.getInt("bandnumber");
|
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int alphaBandNumber = state.getInt("bandnumber");
|
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setTransparencyBand(alphaBandNumber); |
|
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} |
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} |
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|
| ... | ... | |
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} |
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|
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public void dispose() {
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if (mask != null) |
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mask.dispose(); |
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if (originalData != null) |
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originalData.dispose(); |
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mask = null; |
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originalData = null; |
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} |
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public ColorInterpretation getColorInterpretation() {
|
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return colorInterpretation; |
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} |
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|
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protected void finalize() throws Throwable {
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noData = null; |
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mask = null; |
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if(transparencyPropertyListener != null) {
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transparencyPropertyListener.clear(); |
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transparencyPropertyListener = null; |
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