Revision 4377 trunk/libraries/libCq CMS for java.old/src/org/cresques/io/raster/TransparencyImageFilter.java
| TransparencyImageFilter.java | ||
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} |
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/** |
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* Dado un pixel y un rango, asigna ese pixel al color de transparencia por |
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* defecto si el pixel en una banda determinada est? en el rango definido. |
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* @param range rango |
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* Asigna al pixel pasado como par?metro como transparente con |
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* el color de transparencia que est? seleccionado |
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* @param px Pixel a asignarle transparencia |
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*/ |
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private void setPixelTransparent(int[] px){
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px[0] = this.alpha; |
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px[1] = this.transparencyColorRed; |
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px[2] = this.transparencyColorGreen; |
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px[3] = this.transparencyColorBlue; |
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} |
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/** |
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* @param range rango |
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* @param banda banda |
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* @param px pixel
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* @param px pixel |
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*/ |
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private void processRange(int[][] range, int banda, int[] px) {
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for (int i = 0; i < range.length; i++) {
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if (((px[banda] >= range[i][0]) && (px[banda] <= range[i][1]))) {
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px[0] = this.alpha; |
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px[1] = this.transparencyColorRed; |
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px[2] = this.transparencyColorGreen; |
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px[3] = this.transparencyColorBlue; |
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} |
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} |
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private void processRange(int[] px) {
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for (int i = 0; i < rangesList.size(); i++) {
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TransparencyRange tr = ((TransparencyRange)rangesList.get(i)); |
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if(tr.isAnd()){
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if(tr.getRed() != null) |
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if (px[1] < tr.getRed()[0] || px[1] > tr.getRed()[1]) |
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continue; |
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if(tr.getGreen() != null) |
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if (px[2] < tr.getGreen()[0] || px[2] > tr.getGreen()[1]) |
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continue; |
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if(tr.getBlue() != null) |
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if (px[3] < tr.getBlue()[0] || px[3] > tr.getBlue()[1]) |
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continue; |
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if(tr.getRed() != null || tr.getGreen() != null || tr.getBlue() != null) |
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setPixelTransparent(px); |
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}else{
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if(tr.getRed() != null){
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if (px[1] >= tr.getRed()[0] && px[1] <= tr.getRed()[1]){
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setPixelTransparent(px); |
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continue; |
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} |
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} |
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if(tr.getGreen() != null){
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if (px[2] >= tr.getGreen()[0] && px[2] <= tr.getGreen()[1]){
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setPixelTransparent(px); |
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continue; |
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} |
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} |
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if(tr.getBlue() != null){
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if (px[3] >= tr.getBlue()[0] && px[3] <= tr.getBlue()[1]){
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setPixelTransparent(px); |
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continue; |
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} |
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} |
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} |
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} |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.raster.IRasterFilter#process(int, int) |
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*/ |
| ... | ... | |
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(pt & 0x00ff00) >> 8, (pt & 0x0000ff) |
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}; |
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if (rangesR != null) {
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processRange(rangesR, 1, px4); |
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} |
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if (rangesG != null) {
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processRange(rangesG, 2, px4); |
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} |
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if (rangesB != null) {
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processRange(rangesB, 3, px4); |
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} |
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processRange(px4); |
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((BufferedImage) image).setRGB(x, y, |
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(((px4[0] << 24) & 0xff000000) | |
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((px4[1] << 16) & 0x00ff0000) | |
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