Revision 6325 org.gvsig.raster/branches/org.gvsig.raster.2.4/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.legend/org.gvsig.raster.lib.legend.impl/src/main/java/org/gvsig/raster/lib/legend/impl/DefaultRasterLegend.java
| DefaultRasterLegend.java | ||
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| 7 | 7 |
import java.awt.image.BufferedImage; |
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|
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import org.cresques.cts.ICoordTrans; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.raster.lib.buffer.api.Band; |
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import org.gvsig.raster.lib.buffer.api.Buffer; |
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import org.gvsig.raster.lib.buffer.api.FilterList; |
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import org.gvsig.raster.lib.buffer.api.NoData; |
|
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import org.gvsig.raster.lib.buffer.api.exceptions.BufferException; |
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import org.gvsig.raster.lib.legend.api.ColorInterpretation; |
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import org.gvsig.raster.lib.legend.api.ColorTable; |
| ... | ... | |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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import org.gvsig.tools.task.TaskStatusManager; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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|
| ... | ... | |
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|
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// Convert extension to check if envelopes intersect |
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ICoordTrans coordTrans = viewPort.getProjection().getCT(buffer.getProjection()); |
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ICoordTrans invertedCoordTrans = buffer.getProjection().getCT(viewPort.getProjection()); |
|
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Envelope convertedEnvelope = viewPort.getAdjustedEnvelope().convert(coordTrans); |
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double viewPortPixelSizeX = viewPort.getAdjustedEnvelope().getLength(0) / viewPort.getImageWidth(); |
|
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double viewPortPixelSizeY = viewPort.getAdjustedEnvelope().getLength(1) / viewPort.getImageHeight(); |
|
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if (!convertedEnvelope.intersects(buffer.getEnvelope())) {
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return; |
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} |
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try {
|
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// Clip buffer with doubled converted envelope |
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bufferToDraw = buffer.clip(convertedEnvelope); |
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Envelope bufferEnvelopeInViewPortCoords = bufferToDraw.getEnvelope().convert(invertedCoordTrans); |
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|
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double widthPixel =bufferEnvelopeInViewPortCoords.getLength(0)/viewPortPixelSizeX;; |
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double heightPixel =bufferEnvelopeInViewPortCoords.getLength(1)/viewPortPixelSizeY;; |
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bufferToDraw = |
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bufferToDraw.createInterpolated((int) Math.floor(heightPixel), |
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(int) Math.floor(widthPixel), Buffer.INTERPOLATION_NearestNeighbour, |
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taskStatus); |
|
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// Convert interpolated clipped buffer |
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bufferToDraw = bufferToDraw.convert(coordTrans.getInverted(), taskStatus);
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bufferToDraw = bufferToDraw.convert(invertedCoordTrans, taskStatus);
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double widthPixel = |
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getWidthPixel(bufferToDraw.getEnvelope(), viewPort.getAdjustedEnvelope().getLength(0) |
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/ viewPort.getImageWidth()); |
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double heightPixel = |
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getHeightPixel(bufferToDraw.getEnvelope(), viewPort.getAdjustedEnvelope().getLength(1) |
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/ viewPort.getImageHeight()); |
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widthPixel = |
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getWidthPixel(bufferToDraw.getEnvelope(), viewPortPixelSizeX); |
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heightPixel = |
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getHeightPixel(bufferToDraw.getEnvelope(), viewPortPixelSizeY); |
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|
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bufferToDraw = |
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bufferToDraw.createInterpolated((int) Math.floor(heightPixel), |
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(int) Math.floor(widthPixel), Buffer.INTERPOLATION_NearestNeighbour, |
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taskStatus); |
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} catch (BufferException e) {
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LOG.warn("Buffer can not be clipped, converted or interpolated", e);
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taskStatus.abort(); |
| ... | ... | |
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return; |
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} |
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|
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// Draw buffer |
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Image image = null; |
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if (this.colorInterpretation.isGray()){
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// Draw buffer with gray scale |
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image = drawGrayBuffer(graphics, bufferToDraw, transparency, filters); |
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}else if ( this.colorInterpretation.isPalette() && this.colorTable != null ) {
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// Draw buffer with table color |
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image = drawPaletteBuffer(graphics, bufferToDraw, colorTable, transparency, filters); |
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} else if (this.colorInterpretation.isRGBA() || this.colorInterpretation.isRGB() |
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|| this.colorInterpretation.isBGR()) {
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// Draw RGB, RGBA or BGR buffer without color table |
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image = drawRGBBuffer(graphics, bufferToDraw, colorInterpretation, transparency, filters); |
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}else if (this.colorInterpretation.isHSL()) {
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// Draw HSL buffer without color table |
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image = drawHSLBuffer(graphics, bufferToDraw, colorInterpretation, transparency, filters); |
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}else if (this.colorInterpretation.isCMYK()) {
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// Draw CMYK buffer without color table |
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image = drawCMYKBuffer(graphics, bufferToDraw, colorInterpretation, transparency, filters); |
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}else if (this.colorInterpretation.isYCBCR()) {
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// Draw YCBCR buffer without color table |
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image = drawYCBCRBuffer(graphics, bufferToDraw, colorInterpretation, transparency, filters); |
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} |
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if (bufferToDraw != null) {
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// Calculate where image has to be drawn |
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double x = bufferToDraw.getEnvelope().getMinimum(0); |
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double y = bufferToDraw.getEnvelope().getMaximum(1); |
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AffineTransform affineTransform = |
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calculateAffineTransform(viewPort.getAdjustedEnvelope(), viewPort.getImageWidth(), |
|
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viewPort.getImageHeight()); |
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// Draw buffer |
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Image image = null; |
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if (this.colorInterpretation.isGray()) {
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// Draw buffer with gray scale |
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image = drawGrayBuffer(graphics, bufferToDraw, transparency, filters); |
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} else if (this.colorInterpretation.isPalette() && this.colorTable != null) {
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// Draw buffer with table color |
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image = drawPaletteBuffer(graphics, bufferToDraw, colorTable, transparency, filters); |
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} else if (this.colorInterpretation.isRGBA() || this.colorInterpretation.isRGB() |
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|| this.colorInterpretation.isBGR()) {
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// Draw RGB, RGBA or BGR buffer without color table |
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image = drawRGBBuffer(graphics, bufferToDraw, colorInterpretation, transparency, filters); |
|
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} else if (this.colorInterpretation.isHSL()) {
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// Draw HSL buffer without color table |
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image = drawHSLBuffer(graphics, bufferToDraw, colorInterpretation, transparency, filters); |
|
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} else if (this.colorInterpretation.isCMYK()) {
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// Draw CMYK buffer without color table |
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image = drawCMYKBuffer(graphics, bufferToDraw, colorInterpretation, transparency, filters); |
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} else if (this.colorInterpretation.isYCBCR()) {
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// Draw YCBCR buffer without color table |
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image = drawYCBCRBuffer(graphics, bufferToDraw, colorInterpretation, transparency, filters); |
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} |
|
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Point point; |
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try {
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point = GeometryLocator.getGeometryManager().createPoint(x, y, SUBTYPES.GEOM2D); |
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point.transform(affineTransform.createInverse()); |
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graphics.drawImage(image, (int) Math.floor(point.getX()), |
|
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(int) Math.floor(point.getY()), null); |
|
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} catch (CreateGeometryException | NoninvertibleTransformException e) {
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LOG.warn("Can not calculate the point of buffer in viewport image", e);
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taskStatus.abort(); |
|
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return; |
|
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// Calculate where image has to be drawn |
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double x = bufferToDraw.getEnvelope().getMinimum(0); |
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double y = bufferToDraw.getEnvelope().getMaximum(1); |
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AffineTransform affineTransform = |
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calculateAffineTransform(viewPort.getAdjustedEnvelope(), viewPort.getImageWidth(), |
|
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viewPort.getImageHeight()); |
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|
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Point point; |
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try {
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point = GeometryLocator.getGeometryManager().createPoint(x, y, SUBTYPES.GEOM2D); |
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point.transform(affineTransform.createInverse()); |
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graphics.drawImage(image, (int) Math.floor(point.getX()), (int) Math.floor(point.getY()), null); |
|
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} catch (CreateGeometryException | NoninvertibleTransformException e) {
|
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LOG.warn("Can not calculate the point of buffer in viewport image", e);
|
|
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taskStatus.abort(); |
|
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return; |
|
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} |
|
| 243 | 260 |
} |
| 244 | 261 |
|
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if (!isMyTask) {
|
| ... | ... | |
| 306 | 323 |
for (int i = 0; i < buffer.getRows(); i++) {
|
| 307 | 324 |
for (int j = 0; j < buffer.getColumns(); j++) {
|
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Number redValue = (Number) redBand.get(i, j); |
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Number greenValue = (Number) greenBand.get(i, j); |
|
| 309 | 327 |
Number blueValue = (Number) blueBand.get(i, j); |
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Number greenValue = (Number) greenBand.get(i, j); |
|
| 311 | 328 |
|
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Number alphaValue = 255; |
| 330 |
|
|
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if (alphaBand != null) {
|
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alphaValue = (Number) alphaBand.get(i, j); |
| 315 | 333 |
} |
| ... | ... | |
| 710 | 728 |
this.setFilters((FilterList) state.get(FILTERS_PERSISTENCE_FIELD)); |
| 711 | 729 |
} |
| 712 | 730 |
|
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@Override |
|
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public void setTransparency(Transparency transparency) {
|
|
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this.transparency = transparency; |
|
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} |
|
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|
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@Override |
|
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public Transparency getTransparency() {
|
|
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return this.transparency; |
|
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} |
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|
|
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} |
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