Revision 12097
| trunk/libraries/libRaster/src/org/gvsig/raster/grid/GridTransparency.java | ||
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*/ |
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package org.gvsig.raster.grid; |
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import org.gvsig.raster.dataset.IBuffer; |
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import org.gvsig.raster.dataset.properties.DatasetListTransparency; |
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import org.gvsig.raster.shared.Transparency; |
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import org.gvsig.raster.util.TransparencyRange; |
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|
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//TODO: FUNCIONALIDAD: Convertir la transparencia a String y viceversa para salvar proyecto |
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/** |
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* <P> |
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* Representa el estado de transparencia de un grid. Esta estar? formada por la transparencia |
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* asociada al fichero/s (FileTransparencyStatus) y la transparencia asignada por el usuario |
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* a la capa. |
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* Representa el estado de transparencia de un grid. |
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* </P> |
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* <P> |
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* El estado de transparencia de un raster puede verse modificado desde los siguientes sitios: |
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* asignar valores o rangos de valores como transparentes.</LI> |
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* </UL> |
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* </P> |
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* <P> |
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* Estas transparencias quedan representadas por cinco tipo b?sicos: |
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* <UL> |
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* <LI><b>Transparencia por rangos. </b>Esta se aplicar? antes que ninguna y siempre sobre los valores |
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* base del raster.</LI> |
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* <LI><b>Banda de transparencia en un raster. </b></LI> |
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* <LI>M?scara de transparencia</LI> |
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* <LI>Opacidad</LI> |
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* <LI>Zona de recorte</LI> |
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* </UL> |
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* </P> |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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* |
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*/ |
| ... | ... | |
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public int processRGB(int rgb, int line, int col) {
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int[] px = {(rgb & 0xff000000) >> 24, (rgb & 0xff0000) >> 16,
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(rgb & 0x00ff00) >> 8, (rgb & 0x0000ff)}; |
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if(!processRange(px)){
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if(existAlphaBand() && getMask() != null)
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px[0] = getMask().getElemByte(line, col, 0);
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if(!processRange(px)) {
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if(existAlphaBand() && getAlphaBand() != null)
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px[0] = getAlphaBand().getElemByte(line, col, 0);
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} |
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px[0] &= opacity;
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px[0] &= (opacity & 0x000000ff);
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return (((px[0] << 24) & 0xff000000) | |
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((px[1] << 16) & 0x00ff0000) | |
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((px[2] << 8) & 0x0000ff00) | |
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(px[3] & 0x0000ff)); |
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return (((px[0] << 24) & 0xff000000) | (rgb & 0x00ffffff)); |
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} |
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/** |
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public void setTransparencyActive(boolean transparencyActive) {
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this.transparencyActive = transparencyActive; |
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} |
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/** |
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* Obtiene la banda con la transparencia a aplicar en el process |
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* @return banda de transparencia a aplicar en el siguiente process |
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*/ |
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public IBuffer getBand() {
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return getMask(); |
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} |
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/** |
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* Mezcla las bandas de transparencia contenidas en el array IBuffer[] sobre |
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* una sola. Para obtener esta mezcla se hace una operaci?n OR dato a dato. La |
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* banda resultante tendr? el mayor valor de transparencia de las bandas |
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* individuales. |
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* |
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* Antes de hacer la mezcla se har?n comprobaciones en las bandas de entrada. |
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* Todas deben tener el mismo n?mero de bandas, tipo de datos, ancho y alto. El |
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* buffer de salida (out) debe tener memoria reservado con el tama?o de los |
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* datos de entrada. |
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* |
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* @param bands buffers con las bandas a mezclas |
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* @param out buffer de salida |
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*/ |
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public void mergeTransparencyBands(IBuffer[] bands, IBuffer out) {
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if(bands == null || out == null) |
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return; |
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int dataType = out.getDataType(); |
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int w = out.getWidth(); |
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int h = out.getHeight(); |
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//Comprobaci?n de que todas tengan el mismo n?mero de bandas, tipo de datos, ancho y alto |
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for(int i = 0; i < bands.length; i++) {
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if( bands[i] == null || |
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bands[i].getBandCount() != 1 || |
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bands[i].getDataType() != dataType || |
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bands[i].getWidth() != w || |
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bands[i].getHeight() != h) |
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return; |
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} |
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for(int line = 0; line < h; line++) {
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for(int col = 0; col < w; col++) {
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byte value = 0; |
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for(int i = 0; i < bands.length; i++) |
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value |= bands[i].getElemByte(line, col, 0); |
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out.setElem(line, col, 0, value); |
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} |
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} |
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} |
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} |
| trunk/libraries/libRaster/src/org/gvsig/raster/grid/render/Rendering.java | ||
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int[] step = null; |
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if (bufferFactory != null) {
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if(lastTransparency == null) |
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lastTransparency = new GridTransparency(bufferFactory.getMultiRasterDataset().getTransparencyFilesStatus()); |
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//Asignamos la banda de transparencia si existe esta |
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if(bufferFactory.getMultiRasterDataset().getTransparencyFilesStatus().existAlphaBand()) {
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//BufferFactory bufferFactoryAlphaBand = new BufferFactory(bufferFactory.getMultiRasterDataset()); |
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bufferFactory.setSupersamplingLoadingBuffer(false); //Desactivamos el supersampleo en la carga del buffer. |
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bufferFactory.clearDrawableBand(); |
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bufferFactory.addDrawableBands(new int[]{lastTransparency.getAlphaBandNumber(), -1, -1});
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bufferFactory.setAreaOfInterest(adjustedExtent[0], adjustedExtent[1], adjustedExtent[2], adjustedExtent[3], wImg, hImg, true); |
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bufferFactory.setSupersamplingLoadingBuffer(true); |
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lastTransparency.setAlphaBand(bufferFactory.getRasterBuf()); |
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lastTransparency.activeTransparency(); |
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} |
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bufferFactory.clearDrawableBand(); |
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bufferFactory.setSupersamplingLoadingBuffer(false); //Desactivamos el supersampleo en la carga del buffer. |
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//En el renderizado ser? ImageDrawer el que se encargue de esta funci?n |
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bufferFactory.addDrawableBands(getRenderBands()); |
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step = bufferFactory.setAreaOfInterest(adjustedExtent[0], adjustedExtent[1], adjustedExtent[2], adjustedExtent[3], wImg, hImg, true); |
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bufferFactory.setSupersamplingLoadingBuffer(true); |
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|
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} else |
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return; |
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grid = new Grid(bufferFactory, true); |
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if(this.lastTransparency != null) {
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//Asignamos la banda de transparencia si existe esta |
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if(bufferFactory.getMultiRasterDataset().getTransparencyFilesStatus().existAlphaBand()) {
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BufferFactory bufferFactoryAlphaBand = new BufferFactory(bufferFactory.getMultiRasterDataset()); |
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bufferFactoryAlphaBand.setSupersamplingLoadingBuffer(false); //Desactivamos el supersampleo en la carga del buffer. |
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bufferFactoryAlphaBand.addDrawableBands(new int[]{lastTransparency.getAlphaBand(), -1, -1});
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bufferFactoryAlphaBand.setAreaOfInterest(adjustedExtent[0], adjustedExtent[1], adjustedExtent[2], adjustedExtent[3], wImg, hImg, true); |
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lastTransparency.setMask(bufferFactoryAlphaBand.getRasterBuf()); |
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lastTransparency.activeTransparency(); |
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} |
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grid.setTransparency(lastTransparency); |
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} |
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grid.setTransparency(lastTransparency); |
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if(filterList == null) |
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filterList = grid.getFilterList(); |
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else |
| trunk/libraries/libRaster/src/org/gvsig/raster/grid/render/ImageDrawer.java | ||
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for(int col = 0; col < width; col ++) {
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try{
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rasterBuf.getElemByte(r[row], c[col], data); |
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value = transparency.processRGB(0xff000000 + ((data[0] & 0xff) << 16) + ((data[1] & 0xff) << 8) + (data[2] & 0xff), row, col);
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value = transparency.processRGB(0xff000000 + ((data[0] & 0xff) << 16) + ((data[1] & 0xff) << 8) + (data[2] & 0xff), r[row], c[col]);
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image.setRGB(col, row, value); |
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} catch(ArrayIndexOutOfBoundsException e){}
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} |
| trunk/libraries/libRaster/src/org/gvsig/raster/grid/filter/bands/ColorTableIntegerFilter.java | ||
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*/ |
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public void process(int col, int line) {
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int value = raster.getElemInt(line, col, 0); |
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byte[] rgb = colorTable.getRGBByBand(value); |
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byte[] rgb = colorTable.getRGBByBand(value & 0x000000ff);
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rasterResult.setElemByte(line, col, rgb); |
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} |
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| trunk/libraries/libRaster/src/org/gvsig/raster/grid/filter/bands/ColorTableShortFilter.java | ||
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*/ |
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public void process(int col, int line) {
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short value = raster.getElemShort(line, col, 0); |
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byte[] rgb = colorTable.getRGBByBand((int)value);
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byte[] rgb = colorTable.getRGBByBand((int)(int)(value & 0x000000ff));
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rasterResult.setElemByte(line, col, rgb); |
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} |
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| trunk/libraries/libRaster/src/org/gvsig/raster/grid/filter/bands/ColorTableByteFilter.java | ||
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*/ |
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public void process(int col, int line) {
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byte value = raster.getElemByte(line, col, 0); |
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byte[] rgb = colorTable.getRGBByBand((int)value);
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byte[] rgb = colorTable.getRGBByBand((int)(value & 0x000000ff));
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rasterResult.setElemByte(line, col, rgb); |
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} |
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| trunk/libraries/libRaster/src/org/gvsig/raster/shared/Transparency.java | ||
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public class Transparency{
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public static int MAX_OPACITY = 255; |
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protected int alphaBand = -1; |
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private IBuffer mask = null;
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protected int alphaBandNumber = -1;
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private IBuffer alphaBand = null;
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/** |
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* Rangos de transparencia aplicados. Lista de TransparencyRange |
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*/ |
| ... | ... | |
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public Transparency(Transparency t) {
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//TODO: FUNCIONALIDAD: Falta asignar lo necesario para la transparencia por selecci?n |
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this.transparencyRanges = (ArrayList)t.getTransparencyRange().clone(); |
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this.mask = t.getMask();
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this.alphaBand = t.getAlphaBand();
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this.opacity = t.getOpacity(); |
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this.alphaBand = t.alphaBand;
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this.alphaBandNumber = t.alphaBandNumber;
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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 IBuffer getMask() {
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return mask;
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public IBuffer getAlphaBand() {
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return alphaBand;
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} |
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/** |
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* Asigna el buffer con la m?scara |
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* @param b |
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*/ |
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public void setMask(IBuffer b) {
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mask = b;
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public void setAlphaBand(IBuffer b) {
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alphaBand = b;
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} |
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/** |
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getTransparencyRange().add(noDataValue); |
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} |
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} |
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/** |
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* Simplifica los rangos introducidos si es posible. |
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*/ |
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/*public void simplify() {
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//ArrayList newRangeList = new ArrayList(); |
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for (int i = 0; i < transparencyRanges.size(); i++) {
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TransparencyRange tr1 = (TransparencyRange)transparencyRanges.get(i); |
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if((i + 1) < transparencyRanges.size()) {
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for (int j = i + 1; j < transparencyRanges.size(); j++) {
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TransparencyRange tr2 = (TransparencyRange)transparencyRanges.get(j); |
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if(tr2.getAlpha() == tr1.getAlpha() && tr2.isAnd() == tr1.isAnd()) {
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int[] r = tr1.union(tr2.getRed(), RasterDataset.RED_BAND); |
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if(r != null) {
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int[] g = tr1.union(tr2.getGreen(), RasterDataset.GREEN_BAND); |
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int[] b = tr1.union(tr2.getBlue(), RasterDataset.BLUE_BAND); |
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TransparencyRange rangeToAdd = new TransparencyRange(); |
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rangeToAdd.setRGB(r, g, b); |
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rangeToAdd.setAnd(tr1.isAnd()); |
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rangeToAdd.loadStrEntryFromValues(); |
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transparencyRanges.remove(i); |
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transparencyRanges.remove(j); |
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transparencyRanges.add(i, rangeToAdd); |
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} |
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} |
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} |
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} |
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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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transparencyRanges.add(tr.get(i)); |
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//TODO: FUNCIONALIDAD Mezclamos la m?scara |
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if(mask != null && transp.getMask() != null) {
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IBuffer newMask = RasterBuffer.getBuffer(IBuffer.TYPE_BYTE, mask.getWidth(), mask.getHeight(), 1, true);
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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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double v = (mask.getElemByte(y, x, 0) / 255D) * (transp.getMask().getElemByte(y, x, 0) / 255D);
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if(alphaBand != null && transp.getAlphaBand() != null) {
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IBuffer newMask = RasterBuffer.getBuffer(IBuffer.TYPE_BYTE, alphaBand.getWidth(), alphaBand.getHeight(), 1, true);
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for (int y = 0; y < alphaBand.getHeight(); y++) {
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for (int x = 0; x < alphaBand.getWidth(); x++) {
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double v = (alphaBand.getElemByte(y, x, 0) / 255D) * (transp.getAlphaBand().getElemByte(y, x, 0) / 255D);
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newMask.setElem(y, x, 0, (byte)(v * 255)); |
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} |
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} |
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t.alphaBand = alphaBand; |
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} else if(mask != null) {
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t.setMask(mask);
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t.alphaBand = alphaBand;
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} else if(alphaBand != null) {
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t.setAlphaBand(alphaBand);
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t.alphaBandNumber = alphaBandNumber;
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} else {
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t.setMask(transp.getMask());
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t.alphaBand = transp.alphaBand;
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t.setAlphaBand(transp.getAlphaBand());
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t.alphaBandNumber = transp.alphaBandNumber;
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} |
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//TODO: FUNCIONALIDAD Mezclamos las ?reas |
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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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* @return true si existe banda de transparencia y false si no lo es. |
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*/ |
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public boolean existAlphaBand() {
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return (alphaBand != -1); |
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return (alphaBandNumber != -1);
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} |
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|
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/** |
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* Obtiene el flag de existencia de banda de transparencia. |
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* @return true existe una banda con informaci?n de transparencia y false no existe. |
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*/ |
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public boolean existMask() {
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return (mask != null); |
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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 getAlphaBand() {
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return alphaBand; |
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public int getAlphaBandNumber() {
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return alphaBandNumber;
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} |
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/** |
| ... | ... | |
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* variable mask. |
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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 alphaBand) {
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this.alphaBand = alphaBand;
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public void setTransparencyBand(int alphaBandNumber) {
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this.alphaBandNumber = alphaBandNumber;
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} |
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|
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} |
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