Revision 1315
| org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/DefaultRasterManager.java | ||
|---|---|---|
| 49 | 49 |
import org.gvsig.fmap.dal.coverage.grid.AbstractROI; |
| 50 | 50 |
import org.gvsig.fmap.dal.coverage.grid.Grid; |
| 51 | 51 |
import org.gvsig.fmap.dal.coverage.grid.RasterFilterList; |
| 52 |
import org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer; |
|
| 52 | 53 |
import org.gvsig.fmap.dal.coverage.process.TaskEventManager; |
| 53 | 54 |
import org.gvsig.fmap.dal.coverage.process.overview.OverviewBuilder; |
| 54 | 55 |
import org.gvsig.fmap.dal.coverage.process.vector.Vectorization; |
| ... | ... | |
| 84 | 85 |
import org.gvsig.raster.impl.datastruct.legend.RasterLegendIO; |
| 85 | 86 |
import org.gvsig.raster.impl.grid.GridImpl; |
| 86 | 87 |
import org.gvsig.raster.impl.grid.filter.DefaultRasterFilterList; |
| 88 |
import org.gvsig.raster.impl.grid.render.ImageDrawerImpl; |
|
| 87 | 89 |
import org.gvsig.raster.impl.grid.roi.ROIStatistic; |
| 88 | 90 |
import org.gvsig.raster.impl.process.DefaultTaskEventManager; |
| 89 | 91 |
import org.gvsig.raster.impl.process.overview.GdalOverviewBuilder; |
| ... | ... | |
| 763 | 765 |
|
| 764 | 766 |
return true; |
| 765 | 767 |
} |
| 768 |
|
|
| 769 |
/* |
|
| 770 |
* (non-Javadoc) |
|
| 771 |
* @see org.gvsig.fmap.dal.coverage.RasterManager#createImageDrawerService() |
|
| 772 |
*/ |
|
| 773 |
public ImageDrawer createImageDrawerService() {
|
|
| 774 |
return new ImageDrawerImpl(); |
|
| 775 |
} |
|
| 766 | 776 |
} |
| org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/grid/render/ImageDrawer.java | ||
|---|---|---|
| 1 |
/* gvSIG. Geographic Information System of the Valencian Government |
|
| 2 |
* |
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department |
|
| 4 |
* of the Valencian Government (CIT) |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
|
| 19 |
* MA 02110-1301, USA. |
|
| 20 |
* |
|
| 21 |
*/ |
|
| 22 |
package org.gvsig.raster.impl.grid.render; |
|
| 23 |
|
|
| 24 |
import java.awt.Image; |
|
| 25 |
import java.awt.image.BufferedImage; |
|
| 26 |
|
|
| 27 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
|
| 28 |
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
|
| 29 |
import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
|
| 30 |
import org.gvsig.raster.impl.DefaultRasterManager; |
|
| 31 |
import org.gvsig.raster.impl.process.RasterTask; |
|
| 32 |
import org.gvsig.raster.impl.process.RasterTaskQueue; |
|
| 33 |
import org.slf4j.LoggerFactory; |
|
| 34 |
|
|
| 35 |
/** |
|
| 36 |
* Objeto para la escritura de datos desde un buffer a un objeto Image. En este nivel de |
|
| 37 |
* renderizado no se gestiona extents, ni rotaciones ni coordenadas del mundo, solo la |
|
| 38 |
* escritura desde un buffer hasta otro de tama?o dado. Por medio de par?metros y de objetos |
|
| 39 |
* de estado varia el resultado de la escritura, selecci?n de bandas a escribir desde el buffer |
|
| 40 |
* a RGB, transparencias aplicadas o paletas. |
|
| 41 |
* |
|
| 42 |
* @author Nacho Brodin (nachobrodin@gmail.com) |
|
| 43 |
*/ |
|
| 44 |
public class ImageDrawer {
|
|
| 45 |
/** |
|
| 46 |
* Fuente de datos para el renderizado |
|
| 47 |
*/ |
|
| 48 |
private Buffer rasterBuf = null; |
|
| 49 |
private double[] step = null; |
|
| 50 |
/** |
|
| 51 |
* Ancho y alto del objeto image |
|
| 52 |
*/ |
|
| 53 |
private int width = 0; |
|
| 54 |
private int height = 0; |
|
| 55 |
private DefaultRender rendering = null; |
|
| 56 |
|
|
| 57 |
public ImageDrawer(DefaultRender rendering) {
|
|
| 58 |
this.rendering = rendering; |
|
| 59 |
} |
|
| 60 |
|
|
| 61 |
/** |
|
| 62 |
* Dibuja el buffer sobre un objeto Image de java.awt y devuelve el resultado. |
|
| 63 |
* |
|
| 64 |
* @param replicateBand Flag de comportamiento del renderizado. Al renderizar el buffer |
|
| 65 |
* este obtiene la primera banda del buffer y la asigna al R, la segunda al G y la tercera |
|
| 66 |
* al B. Este flag no es tomado en cuenta en caso de que existan 3 bandas en el buffer. |
|
| 67 |
* Si no hay tres bandas, por ejemplo una y el flag es true esta ser? replicada |
|
| 68 |
* en R, G y B, en caso de ser false la banda ser? dibujada en su posici?n (R, G o B) |
|
| 69 |
* y en las otras bandas se rellenar? con 0. |
|
| 70 |
* |
|
| 71 |
* @param transparentBand. Si es true la banda 4 es alpha y si es false no lo es. |
|
| 72 |
* |
|
| 73 |
* @return java.awt.Image con el buffer dibujado. |
|
| 74 |
* @throws ProcessInterruptedException |
|
| 75 |
*/ |
|
| 76 |
public Image drawBufferOverImageObject() throws ProcessInterruptedException {
|
|
| 77 |
if (rasterBuf == null || width == 0 || height == 0) |
|
| 78 |
return null; |
|
| 79 |
|
|
| 80 |
try { // Temporal para la traza de un error aleatorio
|
|
| 81 |
BufferedImage image = new BufferedImage(width, height, |
|
| 82 |
BufferedImage.TYPE_INT_ARGB); |
|
| 83 |
|
|
| 84 |
// Dibujado de raster de 1 o 2 bandas. |
|
| 85 |
// adaptBufferToRender(replicateBand, renderBands); |
|
| 86 |
|
|
| 87 |
if (rasterBuf.getDataType() != Buffer.TYPE_BYTE) |
|
| 88 |
rasterBuf = convertToByte(rasterBuf); |
|
| 89 |
|
|
| 90 |
// Asigna la banda de transparencia si existe esta. |
|
| 91 |
// assignTransparencyBand(renderBands); |
|
| 92 |
|
|
| 93 |
byte[] data = new byte[rasterBuf.getBandCount()]; |
|
| 94 |
|
|
| 95 |
Transparency transparency = rendering.getLastTransparency(); |
|
| 96 |
if (transparency != null && transparency.isTransparencyActive()) {
|
|
| 97 |
if (transparency.existAlphaBand() |
|
| 98 |
&& transparency.getAlphaBand() != null |
|
| 99 |
&& (transparency.getAlphaBand().getDataType() != Buffer.TYPE_BYTE)) |
|
| 100 |
transparency.setAlphaBand(convertToByte(transparency |
|
| 101 |
.getAlphaBand())); |
|
| 102 |
drawWithTransparency(image, data, (step != null)); |
|
| 103 |
} else |
|
| 104 |
drawByte(image, data, (step != null)); |
|
| 105 |
|
|
| 106 |
step = null; |
|
| 107 |
return image; |
|
| 108 |
} catch (OutOfMemoryError error) { // Temporal para la traza de un error
|
|
| 109 |
// aleatorio |
|
| 110 |
LoggerFactory.getLogger(this.getClass()).debug( |
|
| 111 |
"Buffer: " + width + " " + height , error); |
|
| 112 |
} |
|
| 113 |
return null; |
|
| 114 |
} |
|
| 115 |
|
|
| 116 |
/** |
|
| 117 |
* Calcula los vectores de desplazamiento en pixels en X e Y cuando se supersamplea. |
|
| 118 |
* @param r Array de desplazamientos para las filas. Debe tener espacio reservado |
|
| 119 |
* @param c Array de desplazamientos para las columnas. Debe tener espacio reservado |
|
| 120 |
* cargados. |
|
| 121 |
*/ |
|
| 122 |
private void calcSupersamplingStepsArrays(int[] r, int[] c) {
|
|
| 123 |
double pos = step[1]; |
|
| 124 |
for(int row = 0; row < r.length; row ++) {
|
|
| 125 |
r[row] = (int)(pos / step[3]); |
|
| 126 |
pos ++; |
|
| 127 |
} |
|
| 128 |
pos = step[0]; |
|
| 129 |
for(int col = 0; col < c.length; col ++) {
|
|
| 130 |
c[col] = (int)(pos / step[2]); |
|
| 131 |
pos ++; |
|
| 132 |
} |
|
| 133 |
} |
|
| 134 |
|
|
| 135 |
/** |
|
| 136 |
* Dibuja un raster sobre un BufferedImage |
|
| 137 |
* @param image BufferedImage sobre el que se dibuja |
|
| 138 |
* @param data buffer vacio. Se trata de un array de bytes donde cada elemento representa una banda. |
|
| 139 |
* @param supersampling true si se necesita supersamplear y false si no se necesita |
|
| 140 |
* @throws ProcessInterruptedException |
|
| 141 |
*/ |
|
| 142 |
private void drawByte(BufferedImage image, byte[] data, boolean supersampling) throws ProcessInterruptedException {
|
|
| 143 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString()); |
|
| 144 |
|
|
| 145 |
if (supersampling) {
|
|
| 146 |
int[] r = new int[height]; |
|
| 147 |
int[] c = new int[width]; |
|
| 148 |
calcSupersamplingStepsArrays(r, c); |
|
| 149 |
for (int row = 0; row < height; row++) {
|
|
| 150 |
for (int col = 0; col < width; col++) |
|
| 151 |
try {
|
|
| 152 |
rasterBuf.getElemByte(r[row], c[col], data); |
|
| 153 |
image.setRGB(col, row, (0xff000000 + ((data[0] & 0xff) << 16) |
|
| 154 |
+ ((data[1] & 0xff) << 8) + (data[2] & 0xff))); |
|
| 155 |
} catch (ArrayIndexOutOfBoundsException e) {
|
|
| 156 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 157 |
System.err.println("== Position required:" + col + " " + row);
|
|
| 158 |
break; |
|
| 159 |
} |
|
| 160 |
if (task.getEvent() != null) |
|
| 161 |
task.manageEvent(task.getEvent()); |
|
| 162 |
} |
|
| 163 |
} else |
|
| 164 |
for (int row = 0; row < rasterBuf.getHeight(); row++) {
|
|
| 165 |
for (int col = 0; col < rasterBuf.getWidth(); col++) |
|
| 166 |
try {
|
|
| 167 |
rasterBuf.getElemByte(row, col, data); |
|
| 168 |
image.setRGB(col, row, (0xff000000 + ((data[0] & 0xff) << 16) |
|
| 169 |
+ ((data[1] & 0xff) << 8) + (data[2] & 0xff))); |
|
| 170 |
} catch (ArrayIndexOutOfBoundsException ex) {
|
|
| 171 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 172 |
System.err.println("== Position required:" + col + " " + row);
|
|
| 173 |
break; |
|
| 174 |
} |
|
| 175 |
if (task.getEvent() != null) |
|
| 176 |
task.manageEvent(task.getEvent()); |
|
| 177 |
} |
|
| 178 |
} |
|
| 179 |
|
|
| 180 |
/** |
|
| 181 |
* Dibuja un raster sobre un BufferedImage con las propiedades de paleta y transparencia |
|
| 182 |
* @param image BufferedImage sobre el que se dibuja |
|
| 183 |
* @param data buffer vacio. Se trata de un array de bytes donde cada elemento representa una banda. |
|
| 184 |
* @param supersampling true si se necesita supersamplear y false si no se necesita |
|
| 185 |
* @throws ProcessInterruptedException |
|
| 186 |
*/ |
|
| 187 |
private void drawWithTransparency(BufferedImage image, byte[] data, boolean supersampling) throws ProcessInterruptedException {
|
|
| 188 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString()); |
|
| 189 |
int value = 0; |
|
| 190 |
Transparency transparency = rendering.getLastTransparency(); |
|
| 191 |
// try {
|
|
| 192 |
if (supersampling) {
|
|
| 193 |
int[] r = new int[height]; |
|
| 194 |
int[] c = new int[width]; |
|
| 195 |
calcSupersamplingStepsArrays(r, c); |
|
| 196 |
for (int row = 0; row < height; row++) {
|
|
| 197 |
for (int col = 0; col < width; col++) |
|
| 198 |
try {
|
|
| 199 |
rasterBuf.getElemByte(r[row], c[col], data); |
|
| 200 |
value = transparency.processRGB(data[0] & 0xff, data[1] & 0xff, data[2] & 0xff, r[row], c[col]); |
|
| 201 |
image.setRGB(col, row, value); |
|
| 202 |
} catch (ArrayIndexOutOfBoundsException e) {
|
|
| 203 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 204 |
System.err.println("== Position required:" + col + " " + row);
|
|
| 205 |
break; |
|
| 206 |
} |
|
| 207 |
if (task.getEvent() != null) |
|
| 208 |
task.manageEvent(task.getEvent()); |
|
| 209 |
} |
|
| 210 |
} else |
|
| 211 |
for (int row = 0; row < rasterBuf.getHeight(); row++) {
|
|
| 212 |
for (int col = 0; col < rasterBuf.getWidth(); col++) |
|
| 213 |
try {
|
|
| 214 |
rasterBuf.getElemByte(row, col, data); |
|
| 215 |
value = transparency.processRGB(data[0] & 0xff, data[1] & 0xff, data[2] & 0xff, row, col); |
|
| 216 |
image.setRGB(col, row, value); |
|
| 217 |
} catch (ArrayIndexOutOfBoundsException e) {
|
|
| 218 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 219 |
System.err.println("== Position required:" + col + " " + row);
|
|
| 220 |
break; |
|
| 221 |
} |
|
| 222 |
if (task.getEvent() != null) |
|
| 223 |
task.manageEvent(task.getEvent()); |
|
| 224 |
} |
|
| 225 |
} |
|
| 226 |
|
|
| 227 |
/** |
|
| 228 |
* Converts a Buffer object into a byte |
|
| 229 |
* @param buf |
|
| 230 |
* @return |
|
| 231 |
*/ |
|
| 232 |
private Buffer convertToByte(Buffer buf) {
|
|
| 233 |
Buffer b = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_BYTE, buf.getWidth(), buf.getHeight(), buf.getBandCount(), true); |
|
| 234 |
if(buf.getDataType() == Buffer.TYPE_SHORT) |
|
| 235 |
for (int nBand = 0; nBand < buf.getBandCount(); nBand++) |
|
| 236 |
for (int row = 0; row < buf.getHeight(); row++) |
|
| 237 |
for (int col = 0; col < buf.getWidth(); col++) |
|
| 238 |
b.setElem(row, col, nBand, (byte)(buf.getElemShort(row, col, nBand) & 0xffff)); |
|
| 239 |
if(buf.getDataType() == Buffer.TYPE_INT) |
|
| 240 |
for (int nBand = 0; nBand < buf.getBandCount(); nBand++) |
|
| 241 |
for (int row = 0; row < buf.getHeight(); row++) |
|
| 242 |
for (int col = 0; col < buf.getWidth(); col++) |
|
| 243 |
b.setElem(row, col, nBand, (byte)(buf.getElemInt(row, col, nBand) & 0xffffffff)); |
|
| 244 |
if(buf.getDataType() == Buffer.TYPE_FLOAT) |
|
| 245 |
for (int nBand = 0; nBand < buf.getBandCount(); nBand++) |
|
| 246 |
for (int row = 0; row < buf.getHeight(); row++) |
|
| 247 |
for (int col = 0; col < buf.getWidth(); col++) |
|
| 248 |
b.setElem(row, col, nBand, (byte)(Math.round(buf.getElemFloat(row, col, nBand)))); |
|
| 249 |
if(buf.getDataType() == Buffer.TYPE_DOUBLE) |
|
| 250 |
for (int nBand = 0; nBand < buf.getBandCount(); nBand++) |
|
| 251 |
for (int row = 0; row < buf.getHeight(); row++) |
|
| 252 |
for (int col = 0; col < buf.getWidth(); col++) |
|
| 253 |
b.setElem(row, col, nBand, (byte)(Math.round(buf.getElemDouble(row, col, nBand)))); |
|
| 254 |
return b; |
|
| 255 |
} |
|
| 256 |
|
|
| 257 |
/** |
|
| 258 |
* Asigna el buffer a renderizar |
|
| 259 |
* @param b Buffer a renderizar |
|
| 260 |
*/ |
|
| 261 |
public void setBuffer(Buffer b) {
|
|
| 262 |
this.rasterBuf = b; |
|
| 263 |
} |
|
| 264 |
|
|
| 265 |
/** |
|
| 266 |
* Asigna la paleta asociada al grid |
|
| 267 |
* @param palette |
|
| 268 |
*/ |
|
| 269 |
/*public void setPalette(GridPalette palette) {
|
|
| 270 |
this.palette = palette; |
|
| 271 |
}*/ |
|
| 272 |
|
|
| 273 |
/** |
|
| 274 |
* Asigna el desplazamiento en pixeles desde la esquina superior izquierda. Si es null se considera que esta |
|
| 275 |
* funci?n la ha hecho el driver quedando desactivada en el renderizador. Si es as? no debe variar el resultado |
|
| 276 |
* en la visualizacion. |
|
| 277 |
* Si Supersamplea el renderizador se cargar? una matriz de datos 1:1 por lo que se podr? aplicar un filtro |
|
| 278 |
* a este buffer de datos leidos independientemente del zoom que tengamos. |
|
| 279 |
* @param step Desplazamiento |
|
| 280 |
*/ |
|
| 281 |
public void setStep(double[] step) {
|
|
| 282 |
this.step = step; |
|
| 283 |
} |
|
| 284 |
|
|
| 285 |
/** |
|
| 286 |
* Asigna el ancho y el alto del BufferedImage. Esto es util para cuando hay supersampling |
|
| 287 |
* que el tama?o del objeto Image no coincide con el buffer con los datos raster. |
|
| 288 |
* @param w Ancho |
|
| 289 |
* @param h Alto |
|
| 290 |
*/ |
|
| 291 |
public void setBufferSize(int w, int h) {
|
|
| 292 |
this.width = w; |
|
| 293 |
this.height = h; |
|
| 294 |
} |
|
| 295 |
|
|
| 296 |
public void dispose() {
|
|
| 297 |
if(rasterBuf != null) |
|
| 298 |
rasterBuf.dispose(); |
|
| 299 |
try {
|
|
| 300 |
finalize(); |
|
| 301 |
} catch (Throwable e) {
|
|
| 302 |
} |
|
| 303 |
} |
|
| 304 |
|
|
| 305 |
/* |
|
| 306 |
* (non-Javadoc) |
|
| 307 |
* @see java.lang.Object#finalize() |
|
| 308 |
*/ |
|
| 309 |
protected void finalize() throws Throwable {
|
|
| 310 |
step = null; |
|
| 311 |
rendering = null; |
|
| 312 |
rasterBuf = null; |
|
| 313 |
super.finalize(); |
|
| 314 |
} |
|
| 315 |
|
|
| 316 |
} |
|
| org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/grid/render/DefaultRender.java | ||
|---|---|---|
| 111 | 111 |
*/ |
| 112 | 112 |
private int[] renderBands = { 0, 1, 2 };
|
| 113 | 113 |
|
| 114 |
private ImageDrawer drawer = null; |
|
| 114 |
private ImageDrawerImpl drawer = null;
|
|
| 115 | 115 |
/** |
| 116 | 116 |
* Ultima transparencia aplicada en la visualizaci?n que es obtenida desde el |
| 117 | 117 |
* grid |
| ... | ... | |
| 197 | 197 |
if(dataStore.getDataType() == null) |
| 198 | 198 |
return; |
| 199 | 199 |
|
| 200 |
drawer = new ImageDrawer(this);
|
|
| 200 |
drawer = new ImageDrawerImpl();
|
|
| 201 | 201 |
|
| 202 | 202 |
if (dataStore == null) {
|
| 203 | 203 |
setRenderBands(new int[] { 0, 1, 2 });
|
| ... | ... | |
| 442 | 442 |
//Buffer filtrado para renderizar |
| 443 | 443 |
lastRenderBuffer = grid.getRasterBuf(); |
| 444 | 444 |
drawer.setBuffer(lastRenderBuffer); // Buffer de datos a renderizar |
| 445 |
drawer.setStep(step); // Desplazamiento para supersampleo |
|
| 446 |
drawer.setBufferSize((int)Math.round(widthImage), (int)Math.round(heightImage)); // Ancho y alto del buffer |
|
| 445 |
drawer.setSupersamplingOn(step); // Desplazamiento para supersampleo |
|
| 446 |
drawer.setOutputSize((int)Math.round(widthImage), (int)Math.round(heightImage)); // Ancho y alto del buffer |
|
| 447 |
drawer.setLastTransparency(getLastTransparency()); |
|
| 447 | 448 |
Image geoImage = drawer.drawBufferOverImageObject(); // Acci?n de renderizado |
| 448 | 449 |
|
| 449 | 450 |
// Borramos el buffer de transparencia para que siempre se tenga que regenerar. |
| ... | ... | |
| 562 | 563 |
double tileScaleH = e.height() / (double)buf.getHeight(); |
| 563 | 564 |
double scaleH = viewScaleH / tileScaleH; |
| 564 | 565 |
|
| 565 |
ImageDrawer d = new ImageDrawer(this);
|
|
| 566 |
ImageDrawerImpl d = new ImageDrawerImpl();
|
|
| 566 | 567 |
d.setBuffer(buf); |
| 567 |
d.setStep(null); |
|
| 568 |
d.setBufferSize(buf.getWidth(), buf.getHeight()); |
|
| 568 |
d.setSupersamplingOn(null); |
|
| 569 |
d.setOutputSize(buf.getWidth(), buf.getHeight()); |
|
| 570 |
d.setLastTransparency(getLastTransparency()); |
|
| 569 | 571 |
Image geoImage; |
| 570 | 572 |
try {
|
| 571 | 573 |
geoImage = d.drawBufferOverImageObject(); |
| org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/grid/render/ImageDrawerImpl.java | ||
|---|---|---|
| 1 |
/* gvSIG. Geographic Information System of the Valencian Government |
|
| 2 |
* |
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department |
|
| 4 |
* of the Valencian Government (CIT) |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
|
| 19 |
* MA 02110-1301, USA. |
|
| 20 |
* |
|
| 21 |
*/ |
|
| 22 |
package org.gvsig.raster.impl.grid.render; |
|
| 23 |
|
|
| 24 |
import java.awt.Image; |
|
| 25 |
import java.awt.image.BufferedImage; |
|
| 26 |
|
|
| 27 |
import org.gvsig.fmap.dal.coverage.RasterLocator; |
|
| 28 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
|
| 29 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
|
| 30 |
import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
|
| 31 |
import org.gvsig.fmap.dal.coverage.exception.FilterTypeException; |
|
| 32 |
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
|
| 33 |
import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
|
| 34 |
import org.gvsig.fmap.dal.coverage.grid.RasterFilterList; |
|
| 35 |
import org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer; |
|
| 36 |
import org.gvsig.fmap.dal.coverage.store.props.Statistics; |
|
| 37 |
import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
|
| 38 |
import org.gvsig.raster.impl.DefaultRasterManager; |
|
| 39 |
import org.gvsig.raster.impl.buffer.RasterBuffer; |
|
| 40 |
import org.gvsig.raster.impl.grid.filter.enhancement.DefaultLinearStretchParams; |
|
| 41 |
import org.gvsig.raster.impl.grid.filter.enhancement.EnhancementStretchListManager; |
|
| 42 |
import org.gvsig.raster.impl.process.RasterTask; |
|
| 43 |
import org.gvsig.raster.impl.process.RasterTaskQueue; |
|
| 44 |
import org.slf4j.LoggerFactory; |
|
| 45 |
|
|
| 46 |
/** |
|
| 47 |
* Objeto para la escritura de datos desde un buffer a un objeto Image. En este nivel de |
|
| 48 |
* renderizado no se gestiona extents, ni rotaciones ni coordenadas del mundo, solo la |
|
| 49 |
* escritura desde un buffer hasta otro de tama?o dado. Por medio de par?metros y de objetos |
|
| 50 |
* de estado varia el resultado de la escritura, selecci?n de bandas a escribir desde el buffer |
|
| 51 |
* a RGB, transparencias aplicadas o paletas. |
|
| 52 |
* |
|
| 53 |
* @author Nacho Brodin (nachobrodin@gmail.com) |
|
| 54 |
*/ |
|
| 55 |
public class ImageDrawerImpl implements ImageDrawer {
|
|
| 56 |
private Buffer rasterBuf = null; |
|
| 57 |
private double[] step = null; |
|
| 58 |
private int width = -1; |
|
| 59 |
private int height = -1; |
|
| 60 |
private double scaleX = 1; //rate between input and output buffer |
|
| 61 |
private double scaleY = 1; |
|
| 62 |
private Transparency transparency = null; |
|
| 63 |
|
|
| 64 |
public ImageDrawerImpl() {
|
|
| 65 |
} |
|
| 66 |
|
|
| 67 |
/* |
|
| 68 |
* (non-Javadoc) |
|
| 69 |
* @see org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer#setLastTransparency(org.gvsig.fmap.dal.coverage.store.props.Transparency) |
|
| 70 |
*/ |
|
| 71 |
public void setLastTransparency(Transparency t) {
|
|
| 72 |
this.transparency = t; |
|
| 73 |
} |
|
| 74 |
|
|
| 75 |
/* |
|
| 76 |
* (non-Javadoc) |
|
| 77 |
* @see org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer#drawBufferOverImageObject() |
|
| 78 |
*/ |
|
| 79 |
public Image drawBufferOverImageObject() throws ProcessInterruptedException {
|
|
| 80 |
if (rasterBuf == null) |
|
| 81 |
return null; |
|
| 82 |
|
|
| 83 |
try { // Temporal para la traza de un error aleatorio
|
|
| 84 |
boolean supersamplingOn = false; |
|
| 85 |
BufferedImage image = null; |
|
| 86 |
if(width <= 0 && height <= 0) {
|
|
| 87 |
width = rasterBuf.getWidth(); |
|
| 88 |
height = rasterBuf.getHeight(); |
|
| 89 |
scaleX = scaleY = 1; |
|
| 90 |
} else {
|
|
| 91 |
scaleX = rasterBuf.getWidth() / width; |
|
| 92 |
scaleY = rasterBuf.getHeight() / height; |
|
| 93 |
} |
|
| 94 |
image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
|
| 95 |
|
|
| 96 |
if(step != null) {
|
|
| 97 |
supersamplingOn = true; |
|
| 98 |
} |
|
| 99 |
|
|
| 100 |
if (rasterBuf.getDataType() != Buffer.TYPE_BYTE) |
|
| 101 |
rasterBuf = convertToByte(rasterBuf); |
|
| 102 |
|
|
| 103 |
byte[] data = new byte[rasterBuf.getBandCount()]; |
|
| 104 |
|
|
| 105 |
if (transparency != null && transparency.isTransparencyActive()) {
|
|
| 106 |
if (transparency.existAlphaBand() && |
|
| 107 |
transparency.getAlphaBand() != null && |
|
| 108 |
transparency.getAlphaBand().getDataType() != Buffer.TYPE_BYTE) {
|
|
| 109 |
transparency.setAlphaBand(convertToByte(transparency.getAlphaBand())); |
|
| 110 |
} |
|
| 111 |
drawWithTransparency(image, data, supersamplingOn, transparency); |
|
| 112 |
} else |
|
| 113 |
drawByte(image, data, supersamplingOn); |
|
| 114 |
|
|
| 115 |
step = null; |
|
| 116 |
return image; |
|
| 117 |
} catch (OutOfMemoryError error) { // Temporal para la traza de un error
|
|
| 118 |
// aleatorio |
|
| 119 |
LoggerFactory.getLogger(this.getClass()).debug( |
|
| 120 |
"Buffer: " + rasterBuf.getWidth() + " " + rasterBuf.getHeight() , error); |
|
| 121 |
} |
|
| 122 |
return null; |
|
| 123 |
} |
|
| 124 |
|
|
| 125 |
/** |
|
| 126 |
* Calcula los vectores de desplazamiento en pixels en X e Y cuando se supersamplea. |
|
| 127 |
* @param r Array de desplazamientos para las filas. Debe tener espacio reservado |
|
| 128 |
* @param c Array de desplazamientos para las columnas. Debe tener espacio reservado |
|
| 129 |
* cargados. |
|
| 130 |
*/ |
|
| 131 |
private void calcSupersamplingStepsArrays(int[] r, int[] c) {
|
|
| 132 |
double pos = step[1]; |
|
| 133 |
for(int row = 0; row < r.length; row ++) {
|
|
| 134 |
r[row] = (int)(pos / step[3]); |
|
| 135 |
pos ++; |
|
| 136 |
} |
|
| 137 |
pos = step[0]; |
|
| 138 |
for(int col = 0; col < c.length; col ++) {
|
|
| 139 |
c[col] = (int)(pos / step[2]); |
|
| 140 |
pos ++; |
|
| 141 |
} |
|
| 142 |
} |
|
| 143 |
|
|
| 144 |
/** |
|
| 145 |
* Dibuja un raster sobre un BufferedImage |
|
| 146 |
* @param image BufferedImage sobre el que se dibuja |
|
| 147 |
* @param data buffer vacio. Se trata de un array de bytes donde cada elemento representa una banda. |
|
| 148 |
* @param supersampling true si se necesita supersamplear y false si no se necesita |
|
| 149 |
* @throws ProcessInterruptedException |
|
| 150 |
*/ |
|
| 151 |
private void drawByte(BufferedImage image, byte[] data, boolean supersampling) throws ProcessInterruptedException {
|
|
| 152 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString()); |
|
| 153 |
|
|
| 154 |
if (supersampling) {
|
|
| 155 |
int[] r = new int[height]; |
|
| 156 |
int[] c = new int[width]; |
|
| 157 |
calcSupersamplingStepsArrays(r, c); |
|
| 158 |
for (int row = 0; row < height; row++) {
|
|
| 159 |
for (int col = 0; col < width; col++) |
|
| 160 |
try {
|
|
| 161 |
rasterBuf.getElemByte(r[row], c[col], data); |
|
| 162 |
image.setRGB(col, row, (0xff000000 + ((data[0] & 0xff) << 16) |
|
| 163 |
+ ((data[1] & 0xff) << 8) + (data[2] & 0xff))); |
|
| 164 |
} catch (ArrayIndexOutOfBoundsException e) {
|
|
| 165 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 166 |
System.err.println("== Position required:" + col + " " + row);
|
|
| 167 |
break; |
|
| 168 |
} |
|
| 169 |
if (task.getEvent() != null) |
|
| 170 |
task.manageEvent(task.getEvent()); |
|
| 171 |
} |
|
| 172 |
} else {
|
|
| 173 |
/*Old code |
|
| 174 |
for (int row = 0; row < rasterBuf.getHeight(); row++) {
|
|
| 175 |
for (int col = 0; col < rasterBuf.getWidth(); col++) |
|
| 176 |
try {
|
|
| 177 |
rasterBuf.getElemByte(row, col, data); |
|
| 178 |
image.setRGB(col, row, (0xff000000 + ((data[0] & 0xff) << 16) |
|
| 179 |
+ ((data[1] & 0xff) << 8) + (data[2] & 0xff))); |
|
| 180 |
} catch (ArrayIndexOutOfBoundsException ex) {
|
|
| 181 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 182 |
System.err.println("== Position required:" + col + " " + row);
|
|
| 183 |
break; |
|
| 184 |
} |
|
| 185 |
if (task.getEvent() != null) |
|
| 186 |
task.manageEvent(task.getEvent()); |
|
| 187 |
}*/ |
|
| 188 |
for (int row = 0; row < height; row++) {
|
|
| 189 |
for (int col = 0; col < width; col++) {
|
|
| 190 |
try {
|
|
| 191 |
rasterBuf.getElemByte((int)(row * scaleY), (int)(col * scaleX), data); |
|
| 192 |
image.setRGB(col, row, (0xff000000 + ((data[0] & 0xff) << 16) |
|
| 193 |
+ ((data[1] & 0xff) << 8) + (data[2] & 0xff))); |
|
| 194 |
} catch (ArrayIndexOutOfBoundsException ex) {
|
|
| 195 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 196 |
System.err.println("== Position required:" + (int)(col * scaleX) + " " + (int)(row * scaleY));
|
|
| 197 |
break; |
|
| 198 |
} |
|
| 199 |
} |
|
| 200 |
if (task.getEvent() != null) |
|
| 201 |
task.manageEvent(task.getEvent()); |
|
| 202 |
} |
|
| 203 |
} |
|
| 204 |
} |
|
| 205 |
|
|
| 206 |
/** |
|
| 207 |
* Dibuja un raster sobre un BufferedImage con las propiedades de paleta y transparencia |
|
| 208 |
* @param image BufferedImage sobre el que se dibuja |
|
| 209 |
* @param data buffer vacio. Se trata de un array de bytes donde cada elemento representa una banda. |
|
| 210 |
* @param supersampling true si se necesita supersamplear y false si no se necesita |
|
| 211 |
* @throws ProcessInterruptedException |
|
| 212 |
*/ |
|
| 213 |
private void drawWithTransparency(BufferedImage image, |
|
| 214 |
byte[] data, |
|
| 215 |
boolean supersampling, |
|
| 216 |
Transparency t) throws ProcessInterruptedException {
|
|
| 217 |
RasterTask task = RasterTaskQueue.get(Thread.currentThread().toString()); |
|
| 218 |
int value = 0; |
|
| 219 |
// try {
|
|
| 220 |
if (supersampling) {
|
|
| 221 |
int[] r = new int[height]; |
|
| 222 |
int[] c = new int[width]; |
|
| 223 |
calcSupersamplingStepsArrays(r, c); |
|
| 224 |
for (int row = 0; row < height; row++) {
|
|
| 225 |
for (int col = 0; col < width; col++) |
|
| 226 |
try {
|
|
| 227 |
rasterBuf.getElemByte(r[row], c[col], data); |
|
| 228 |
value = t.processRGB(data[0] & 0xff, data[1] & 0xff, data[2] & 0xff, r[row], c[col]); |
|
| 229 |
image.setRGB(col, row, value); |
|
| 230 |
} catch (ArrayIndexOutOfBoundsException e) {
|
|
| 231 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 232 |
System.err.println("== Position required:" + col + " " + row);
|
|
| 233 |
break; |
|
| 234 |
} |
|
| 235 |
if (task.getEvent() != null) |
|
| 236 |
task.manageEvent(task.getEvent()); |
|
| 237 |
} |
|
| 238 |
} else {
|
|
| 239 |
/*Old code |
|
| 240 |
for (int row = 0; row < rasterBuf.getHeight(); row++) {
|
|
| 241 |
for (int col = 0; col < rasterBuf.getWidth(); col++) |
|
| 242 |
try {
|
|
| 243 |
rasterBuf.getElemByte(row, col, data); |
|
| 244 |
value = t.processRGB(data[0] & 0xff, data[1] & 0xff, data[2] & 0xff, row, col); |
|
| 245 |
image.setRGB(col, row, value); |
|
| 246 |
} catch (ArrayIndexOutOfBoundsException e) {
|
|
| 247 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 248 |
System.err.println("== Position required:" + col + " " + row);
|
|
| 249 |
break; |
|
| 250 |
} |
|
| 251 |
if (task.getEvent() != null) |
|
| 252 |
task.manageEvent(task.getEvent()); |
|
| 253 |
} |
|
| 254 |
*/ |
|
| 255 |
for (int row = 0; row < height; row++) {
|
|
| 256 |
for (int col = 0; col < width; col++) {
|
|
| 257 |
try {
|
|
| 258 |
int r = (int)(row * scaleY); |
|
| 259 |
int c = (int)(col * scaleX); |
|
| 260 |
rasterBuf.getElemByte(r, c, data); |
|
| 261 |
value = t.processRGB(data[0] & 0xff, data[1] & 0xff, data[2] & 0xff, r, c); |
|
| 262 |
image.setRGB(col, row, value); |
|
| 263 |
} catch (ArrayIndexOutOfBoundsException e) {
|
|
| 264 |
System.err.println("== Size Image:" + image.getWidth() + " " + image.getHeight());
|
|
| 265 |
System.err.println("== Position required:" + col + " " + row);
|
|
| 266 |
break; |
|
| 267 |
} |
|
| 268 |
} |
|
| 269 |
if (task.getEvent() != null) |
|
| 270 |
task.manageEvent(task.getEvent()); |
|
| 271 |
} |
|
| 272 |
} |
|
| 273 |
} |
|
| 274 |
|
|
| 275 |
/** |
|
| 276 |
* Converts a Buffer object into a byte |
|
| 277 |
* @param buf |
|
| 278 |
* @return |
|
| 279 |
*/ |
|
| 280 |
private Buffer convertToByte(Buffer buf) {
|
|
| 281 |
Buffer b = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_BYTE, buf.getWidth(), buf.getHeight(), buf.getBandCount(), true); |
|
| 282 |
if(buf.getDataType() == Buffer.TYPE_SHORT) |
|
| 283 |
for (int nBand = 0; nBand < buf.getBandCount(); nBand++) |
|
| 284 |
for (int row = 0; row < buf.getHeight(); row++) |
|
| 285 |
for (int col = 0; col < buf.getWidth(); col++) |
|
| 286 |
b.setElem(row, col, nBand, (byte)(buf.getElemShort(row, col, nBand) & 0xffff)); |
|
| 287 |
if(buf.getDataType() == Buffer.TYPE_INT) |
|
| 288 |
for (int nBand = 0; nBand < buf.getBandCount(); nBand++) |
|
| 289 |
for (int row = 0; row < buf.getHeight(); row++) |
|
| 290 |
for (int col = 0; col < buf.getWidth(); col++) |
|
| 291 |
b.setElem(row, col, nBand, (byte)(buf.getElemInt(row, col, nBand) & 0xffffffff)); |
|
| 292 |
if(buf.getDataType() == Buffer.TYPE_FLOAT) |
|
| 293 |
for (int nBand = 0; nBand < buf.getBandCount(); nBand++) |
|
| 294 |
for (int row = 0; row < buf.getHeight(); row++) |
|
| 295 |
for (int col = 0; col < buf.getWidth(); col++) |
|
| 296 |
b.setElem(row, col, nBand, (byte)(Math.round(buf.getElemFloat(row, col, nBand)))); |
|
| 297 |
if(buf.getDataType() == Buffer.TYPE_DOUBLE) |
|
| 298 |
for (int nBand = 0; nBand < buf.getBandCount(); nBand++) |
|
| 299 |
for (int row = 0; row < buf.getHeight(); row++) |
|
| 300 |
for (int col = 0; col < buf.getWidth(); col++) |
|
| 301 |
b.setElem(row, col, nBand, (byte)(Math.round(buf.getElemDouble(row, col, nBand)))); |
|
| 302 |
return b; |
|
| 303 |
} |
|
| 304 |
|
|
| 305 |
/* |
|
| 306 |
* (non-Javadoc) |
|
| 307 |
* @see org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer#setBuffer(org.gvsig.fmap.dal.coverage.dataset.Buffer) |
|
| 308 |
*/ |
|
| 309 |
public void setBuffer(Buffer b) {
|
|
| 310 |
this.rasterBuf = b; |
|
| 311 |
} |
|
| 312 |
|
|
| 313 |
/* |
|
| 314 |
* (non-Javadoc) |
|
| 315 |
* @see org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer#setSupersamplingOn(double[], int, int) |
|
| 316 |
*/ |
|
| 317 |
public void setSupersamplingOn(double[] step) {
|
|
| 318 |
this.step = step; |
|
| 319 |
} |
|
| 320 |
|
|
| 321 |
/* |
|
| 322 |
* (non-Javadoc) |
|
| 323 |
* @see org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer#setOutPutSize(int, int) |
|
| 324 |
*/ |
|
| 325 |
public void setOutputSize(int w, int h) {
|
|
| 326 |
this.width = w; |
|
| 327 |
this.height = h; |
|
| 328 |
} |
|
| 329 |
|
|
| 330 |
/* |
|
| 331 |
* (non-Javadoc) |
|
| 332 |
* @see org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer#dispose() |
|
| 333 |
*/ |
|
| 334 |
public void dispose() {
|
|
| 335 |
if(rasterBuf != null) |
|
| 336 |
rasterBuf.dispose(); |
|
| 337 |
try {
|
|
| 338 |
finalize(); |
|
| 339 |
} catch (Throwable e) {
|
|
| 340 |
} |
|
| 341 |
} |
|
| 342 |
|
|
| 343 |
/* |
|
| 344 |
* (non-Javadoc) |
|
| 345 |
* @see org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer#addEnhanced(org.gvsig.fmap.dal.coverage.store.props.Statistics) |
|
| 346 |
*/ |
|
| 347 |
public Buffer addEnhanced(Statistics stats) {
|
|
| 348 |
return addEnhanced(stats, true, 0.0); |
|
| 349 |
} |
|
| 350 |
|
|
| 351 |
/* |
|
| 352 |
* (non-Javadoc) |
|
| 353 |
* @see org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer#addEnhanced(org.gvsig.fmap.dal.coverage.store.props.Statistics) |
|
| 354 |
*/ |
|
| 355 |
public Buffer addEnhanced(Statistics stats, boolean tailTrim, double tailTrimValue) {
|
|
| 356 |
RasterFilterList filterList = RasterLocator.getManager().createEmptyFilterList(rasterBuf.getDataType()); |
|
| 357 |
|
|
| 358 |
try {
|
|
| 359 |
/*RasterFilterListManager enhancementManager = filterList.getManagerByID("EnhancementStretch");
|
|
| 360 |
Params params = filterList.createEmptyFilterParams(); |
|
| 361 |
params.setParam("stats", stats);
|
|
| 362 |
params.setParam("remove", new Boolean(false));
|
|
| 363 |
int[] renderBands = new int[rasterBuf.getBandCount()]; |
|
| 364 |
for (int i = 0; i < renderBands.length; i++) {
|
|
| 365 |
renderBands[i] = i; |
|
| 366 |
} |
|
| 367 |
params.setParam("renderBands", renderBands);
|
|
| 368 |
params.setParam("stretchs", null);//coge el LinearStretchParams por defecto
|
|
| 369 |
params.setParam("rgb", new Boolean(true));
|
|
| 370 |
|
|
| 371 |
enhancementManager.addFilter(params); |
|
| 372 |
*/ |
|
| 373 |
EnhancementStretchListManager enhancementManager = (EnhancementStretchListManager) filterList.getManagerByClass(EnhancementStretchListManager.class); |
|
| 374 |
int[] renderBands = new int[rasterBuf.getBandCount()]; |
|
| 375 |
for (int i = 0; i < renderBands.length; i++) {
|
|
| 376 |
renderBands[i] = i; |
|
| 377 |
} |
|
| 378 |
enhancementManager.addEnhancedStretchFilter( |
|
| 379 |
DefaultLinearStretchParams.createStandardParam(new int[] { 0, 1, 2 }, tailTrimValue, stats, true),
|
|
| 380 |
stats, |
|
| 381 |
renderBands, |
|
| 382 |
tailTrim); |
|
| 383 |
} catch (FilterTypeException e1) {
|
|
| 384 |
} catch (FileNotOpenException e) {
|
|
| 385 |
} catch (RasterDriverException e) {
|
|
| 386 |
} |
|
| 387 |
|
|
| 388 |
if(filterList != null) {
|
|
| 389 |
Extent ext = RasterLocator.getManager().getDataStructFactory(). |
|
| 390 |
createExtent(rasterBuf.getDataExtent()); |
|
| 391 |
filterList.addEnvParam("IStatistics", stats);
|
|
| 392 |
filterList.addEnvParam("Transparency", transparency);
|
|
| 393 |
filterList.addEnvParam("GridExtent", ext);
|
|
| 394 |
filterList.addEnvParam("WindowExtent", ext);
|
|
| 395 |
filterList.setInitRasterBuf(rasterBuf); |
|
| 396 |
try {
|
|
| 397 |
filterList.execute(); |
|
| 398 |
} catch (ProcessInterruptedException e) {
|
|
| 399 |
return rasterBuf; |
|
| 400 |
} |
|
| 401 |
rasterBuf = (RasterBuffer) filterList.getResult(); |
|
| 402 |
} |
|
| 403 |
return rasterBuf; |
|
| 404 |
} |
|
| 405 |
|
|
| 406 |
/* |
|
| 407 |
* (non-Javadoc) |
|
| 408 |
* @see java.lang.Object#finalize() |
|
| 409 |
*/ |
|
| 410 |
protected void finalize() throws Throwable {
|
|
| 411 |
step = null; |
|
| 412 |
rasterBuf = null; |
|
| 413 |
super.finalize(); |
|
| 414 |
} |
|
| 415 |
|
|
| 416 |
} |
|
| 0 | 417 | |
| org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/grid/GridImpl.java | ||
|---|---|---|
| 1141 | 1141 |
|
| 1142 | 1142 |
filterList.setInitRasterBuf(rasterBuf); |
| 1143 | 1143 |
|
| 1144 |
filterList.getEnv().put("GridExtent", getGridExtent());
|
|
| 1145 |
filterList.getEnv().put("WindowExtent", getWindowExtent());
|
|
| 1144 |
filterList.addEnvParam("GridExtent", getGridExtent());
|
|
| 1145 |
filterList.addEnvParam("WindowExtent", getWindowExtent());
|
|
| 1146 | 1146 |
|
| 1147 | 1147 |
filterList.execute(); |
| 1148 | 1148 |
rasterBuf = (RasterBuffer) filterList.getResult(); |
| org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.api/src/main/java/org/gvsig/fmap/dal/coverage/RasterManager.java | ||
|---|---|---|
| 41 | 41 |
import org.gvsig.fmap.dal.coverage.grid.AbstractROI; |
| 42 | 42 |
import org.gvsig.fmap.dal.coverage.grid.Grid; |
| 43 | 43 |
import org.gvsig.fmap.dal.coverage.grid.RasterFilterList; |
| 44 |
import org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer; |
|
| 44 | 45 |
import org.gvsig.fmap.dal.coverage.process.TaskEventManager; |
| 45 | 46 |
import org.gvsig.fmap.dal.coverage.process.overview.OverviewBuilder; |
| 46 | 47 |
import org.gvsig.fmap.dal.coverage.process.warp.Warp; |
| ... | ... | |
| 429 | 430 |
* @return |
| 430 | 431 |
*/ |
| 431 | 432 |
public boolean isExtensionSupported(String ext); |
| 433 |
|
|
| 434 |
/** |
|
| 435 |
* Creates a service to render a buffer on a java Image object |
|
| 436 |
* @return |
|
| 437 |
*/ |
|
| 438 |
public ImageDrawer createImageDrawerService(); |
|
| 432 | 439 |
} |
| org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.api/src/main/java/org/gvsig/fmap/dal/coverage/grid/render/ImageDrawer.java | ||
|---|---|---|
| 1 |
/* gvSIG. Geographic Information System of the Valencian Government |
|
| 2 |
* |
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department |
|
| 4 |
* of the Valencian Government (CIT) |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
|
| 19 |
* MA 02110-1301, USA. |
|
| 20 |
* |
|
| 21 |
*/ |
|
| 22 |
package org.gvsig.fmap.dal.coverage.grid.render; |
|
| 23 |
|
|
| 24 |
import java.awt.Image; |
|
| 25 |
|
|
| 26 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
|
| 27 |
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
|
| 28 |
import org.gvsig.fmap.dal.coverage.store.props.Statistics; |
|
| 29 |
import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
|
| 30 |
|
|
| 31 |
/** |
|
| 32 |
* Writes data from a buffer on a Image object. At this level neither bounding box nor |
|
| 33 |
* rotations nor world coordinates are managed. |
|
| 34 |
* |
|
| 35 |
* @author Nacho Brodin (nachobrodin@gmail.com) |
|
| 36 |
*/ |
|
| 37 |
public interface ImageDrawer {
|
|
| 38 |
|
|
| 39 |
/** |
|
| 40 |
* Sets the buffer to render |
|
| 41 |
*/ |
|
| 42 |
public void setBuffer(Buffer b); |
|
| 43 |
|
|
| 44 |
/** |
|
| 45 |
* Assigns the buffer transparency |
|
| 46 |
* @param t |
|
| 47 |
*/ |
|
| 48 |
public void setLastTransparency(Transparency t); |
|
| 49 |
|
|
| 50 |
/** |
|
| 51 |
* Sets the shift in pixels from the upper left corner. It is useful when we need supersampling to render |
|
| 52 |
* the image. If the step is null then the supersampling is deactivated else the size of the output |
|
| 53 |
* buffer will be width X height pixels. This size should be set with setOutPutSize method. |
|
| 54 |
* |
|
| 55 |
* Exists supersampling when the zoom to draw is greater than 1:1. To draw a pixel will be necessary |
|
| 56 |
* more than one pixel in the output buffer. |
|
| 57 |
* |
|
| 58 |
* @param step Desplazamiento |
|
| 59 |
*/ |
|
| 60 |
public void setSupersamplingOn(double[] step); |
|
| 61 |
|
|
| 62 |
/** |
|
| 63 |
* Sets the size of the output buffer. This is useful to reescale the output buffer |
|
| 64 |
* @param width Ancho |
|
| 65 |
* @param h Alto |
|
| 66 |
*/ |
|
| 67 |
public void setOutputSize(int width, int height); |
|
| 68 |
|
|
| 69 |
/** |
|
| 70 |
* Releases the link to the buffer. |
|
| 71 |
*/ |
|
| 72 |
public void dispose(); |
|
| 73 |
|
|
| 74 |
/** |
|
| 75 |
* Adds a enhanced filter to the buffer |
|
| 76 |
* @param stats |
|
| 77 |
* @return |
|
| 78 |
*/ |
|
| 79 |
public Buffer addEnhanced(Statistics stats); |
|
| 80 |
|
|
| 81 |
/** |
|
| 82 |
* Adds a enhanced filter to the buffer |
|
| 83 |
* @param stats |
|
| 84 |
* @return |
|
| 85 |
*/ |
|
| 86 |
public Buffer addEnhanced(Statistics stats, boolean tailTrim, double tailTrimValue); |
|
| 87 |
|
|
| 88 |
/** |
|
| 89 |
* Dibuja el buffer sobre un objeto Image de java.awt y devuelve el resultado. |
|
| 90 |
* |
|
| 91 |
* @param replicateBand Flag de comportamiento del renderizado. Al renderizar el buffer |
|
| 92 |
* este obtiene la primera banda del buffer y la asigna al R, la segunda al G y la tercera |
|
| 93 |
* al B. Este flag no es tomado en cuenta en caso de que existan 3 bandas en el buffer. |
|
| 94 |
* Si no hay tres bandas, por ejemplo una y el flag es true esta ser? replicada |
|
| 95 |
* en R, G y B, en caso de ser false la banda ser? dibujada en su posici?n (R, G o B) |
|
| 96 |
* y en las otras bandas se rellenar? con 0. |
|
| 97 |
* |
|
| 98 |
* @param transparentBand. Si es true la banda 4 es alpha y si es false no lo es. |
|
| 99 |
* |
|
| 100 |
* @return java.awt.Image con el buffer dibujado. |
|
| 101 |
* @throws ProcessInterruptedException |
|
| 102 |
*/ |
|
| 103 |
public Image drawBufferOverImageObject() throws ProcessInterruptedException; |
|
| 104 |
} |
|
| 0 | 105 | |
Also available in: Unified diff