batik-awt-util/src/main/java/org/apache/batik/ext/awt/image/rendered/DisplacementMapRed.java [351:409]:
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                    imgPix = ((DataBufferInt)image.getTile(xt, yt)
                              .getDataBuffer()).getBankData()[0];
                }
                pel00  = imgPix[xOff[x0]+yOff[y0]];

                xt1 = xTile[x0+1];
                yt1 = yTile[y0+1];
                if ((yt == yt1)) {
                    // Same tile vertically, check across...
                    if ((xt == xt1)) {
                        // All from same tile..
                        pel10  = imgPix[xOff[x0+1]+yOff[y0]];
                        pel01  = imgPix[xOff[x0]  +yOff[y0+1]];
                        pel11  = imgPix[xOff[x0+1]+yOff[y0+1]];
                    } else {
                        // Different tile horizontally...
                        pel01  = imgPix[xOff[x0]+yOff[y0+1]];

                        imgPix = ((DataBufferInt)image.getTile(xt1, yt)
                                  .getDataBuffer()).getBankData()[0];
                        pel10  = imgPix[xOff[x0+1]+yOff[y0]];
                        pel11  = imgPix[xOff[x0+1]+yOff[y0+1]];
                        xt = xt1;
                    }
                } else {
                    // Steped into next tile down, check across...
                    if ((xt == xt1)) {
                        // Different tile horizontally.
                        pel10  = imgPix[xOff[x0+1]+yOff[y0]];

                        imgPix = ((DataBufferInt)image.getTile(xt, yt1)
                                  .getDataBuffer()).getBankData()[0];
                        pel01  = imgPix[xOff[x0]  +yOff[y0+1]];
                        pel11  = imgPix[xOff[x0+1]+yOff[y0+1]];
                        yt = yt1;
                    } else {
                        // Ugg we are at the 4way intersection of tiles...
                        imgPix = ((DataBufferInt)image.getTile(xt, yt1)
                                  .getDataBuffer()).getBankData()[0];
                        pel01  = imgPix[xOff[x0]+yOff[y0+1]];

                        imgPix = ((DataBufferInt)image.getTile(xt1, yt1)
                                  .getDataBuffer()).getBankData()[0];
                        pel11  = imgPix[xOff[x0+1]+yOff[y0+1]];

                        imgPix = ((DataBufferInt)image.getTile(xt1, yt)
                                  .getDataBuffer()).getBankData()[0];
                        pel10  = imgPix[xOff[x0+1]+yOff[y0]];
                        xt = xt1;
                    }
                }

                xFrac = xDisplace&0x7FFF;
                yFrac = yDisplace&0x7FFF;

                // Combine the alpha channels.
                sp0  = (pel00>>>16) & 0xFF00;
                sp1  = (pel10>>>16) & 0xFF00;
                pel0 = (sp0 + (((sp1-sp0)*xFrac+0x4000)>>15)) & 0xFFFF;
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batik-awt-util/src/main/java/org/apache/batik/ext/awt/image/rendered/DisplacementMapRed.java [538:596]:
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                    imgPix = ((DataBufferInt)image.getTile(xt, yt)
                              .getDataBuffer()).getBankData()[0];
                }
                pel00  = imgPix[xOff[x0]+yOff[y0]];

                xt1 = xTile[x0+1];
                yt1 = yTile[y0+1];
                if ((yt == yt1)) {
                    // Same tile vertically, check across...
                    if ((xt == xt1)) {
                        // All from same tile..
                        pel10  = imgPix[xOff[x0+1]+yOff[y0]];
                        pel01  = imgPix[xOff[x0]  +yOff[y0+1]];
                        pel11  = imgPix[xOff[x0+1]+yOff[y0+1]];
                    } else {
                        // Different tile horizontally...
                        pel01  = imgPix[xOff[x0]+yOff[y0+1]];

                        imgPix = ((DataBufferInt)image.getTile(xt1, yt)
                                  .getDataBuffer()).getBankData()[0];
                        pel10  = imgPix[xOff[x0+1]+yOff[y0]];
                        pel11  = imgPix[xOff[x0+1]+yOff[y0+1]];
                        xt = xt1;
                    }
                } else {
                    // Steped into next tile down, check across...
                    if ((xt == xt1)) {
                        // Different tile horizontally.
                        pel10  = imgPix[xOff[x0+1]+yOff[y0]];

                        imgPix = ((DataBufferInt)image.getTile(xt, yt1)
                                  .getDataBuffer()).getBankData()[0];
                        pel01  = imgPix[xOff[x0]  +yOff[y0+1]];
                        pel11  = imgPix[xOff[x0+1]+yOff[y0+1]];
                        yt = yt1;
                    } else {
                        // Ugg we are at the 4way intersection of tiles...
                        imgPix = ((DataBufferInt)image.getTile(xt, yt1)
                                  .getDataBuffer()).getBankData()[0];
                        pel01  = imgPix[xOff[x0]+yOff[y0+1]];

                        imgPix = ((DataBufferInt)image.getTile(xt1, yt1)
                                  .getDataBuffer()).getBankData()[0];
                        pel11  = imgPix[xOff[x0+1]+yOff[y0+1]];

                        imgPix = ((DataBufferInt)image.getTile(xt1, yt)
                                  .getDataBuffer()).getBankData()[0];
                        pel10  = imgPix[xOff[x0+1]+yOff[y0]];
                        xt = xt1;
                    }
                }

                xFrac = xDisplace&0x7FFF;
                yFrac = yDisplace&0x7FFF;

                // Combine the alpha channels.
                sp0  = (pel00>>>16) & 0xFF00;
                sp1  = (pel10>>>16) & 0xFF00;
                pel0 = (sp0 + (((sp1-sp0)*xFrac+0x4000)>>15)) & 0xFFFF;
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