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Diffstat (limited to 'src/classes/com/sun/opengl/impl/mipmap/ScaleInternal.java')
| -rw-r--r-- | src/classes/com/sun/opengl/impl/mipmap/ScaleInternal.java | 2447 |
1 files changed, 0 insertions, 2447 deletions
diff --git a/src/classes/com/sun/opengl/impl/mipmap/ScaleInternal.java b/src/classes/com/sun/opengl/impl/mipmap/ScaleInternal.java deleted file mode 100644 index 90d407c36..000000000 --- a/src/classes/com/sun/opengl/impl/mipmap/ScaleInternal.java +++ /dev/null @@ -1,2447 +0,0 @@ -/* - * License Applicability. Except to the extent portions of this file are - * made subject to an alternative license as permitted in the SGI Free - * Software License B, Version 1.1 (the "License"), the contents of this - * file are subject only to the provisions of the License. You may not use - * this file except in compliance with the License. You may obtain a copy - * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 - * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: - * - * http://oss.sgi.com/projects/FreeB - * - * Note that, as provided in the License, the Software is distributed on an - * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS - * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND - * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A - * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. - * - * NOTE: The Original Code (as defined below) has been licensed to Sun - * Microsystems, Inc. ("Sun") under the SGI Free Software License B - * (Version 1.1), shown above ("SGI License"). Pursuant to Section - * 3.2(3) of the SGI License, Sun is distributing the Covered Code to - * you under an alternative license ("Alternative License"). This - * Alternative License includes all of the provisions of the SGI License - * except that Section 2.2 and 11 are omitted. Any differences between - * the Alternative License and the SGI License are offered solely by Sun - * and not by SGI. - * - * Original Code. The Original Code is: OpenGL Sample Implementation, - * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, - * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. - * Copyright in any portions created by third parties is as indicated - * elsewhere herein. All Rights Reserved. - * - * Additional Notice Provisions: The application programming interfaces - * established by SGI in conjunction with the Original Code are The - * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released - * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version - * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X - * Window System(R) (Version 1.3), released October 19, 1998. This software - * was created using the OpenGL(R) version 1.2.1 Sample Implementation - * published by SGI, but has not been independently verified as being - * compliant with the OpenGL(R) version 1.2.1 Specification. - */ - -package com.sun.opengl.impl.mipmap; - -import javax.media.opengl.GL; -import javax.media.opengl.glu.GLU; -import java.nio.*; - -/** - * - * @author Administrator - */ -public class ScaleInternal { - - public static final float UINT_MAX = (float)(0x00000000FFFFFFFF); - - public static void scale_internal( int components, int widthin, int heightin, - ShortBuffer datain, int widthout, int heightout, ShortBuffer dataout ) { - float x, lowx, highx, convx, halfconvx; - float y, lowy, highy, convy, halfconvy; - float xpercent, ypercent; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, yint, xint, xindex, yindex; - int temp; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage( components, widthin, heightin, datain, dataout ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - halfconvx = convx / 2; - halfconvy = convy / 2; - for( i = 0; i < heightout; i++ ) { - y = convy * ( i + 0.5f ); - if( heightin > heightout ) { - highy = y + halfconvy; - lowy = y - halfconvy; - } else { - highy = y + 0.5f; - lowy = y - 0.5f; - } - for( j = 0; j < widthout; j++ ) { - x = convx * ( j + 0.5f ); - if( widthin > widthout ) { - highx = x + halfconvx; - lowx = x - halfconvx; - } else { - highx = x + 0.5f; - lowx = x - 0.5f; - } - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - area = 0.0f; - - y = lowy; - yint = (int)Math.floor( y ); - while( y < highy ) { - yindex = ( yint + heightin ) % heightin; - if( highy < yint + 1 ) { - ypercent = highy - y; - } else { - ypercent = yint + 1 - y; - } - - x = lowx; - xint = (int)Math.floor( x ); - - while( x < highx ) { - xindex = ( xint + widthin ) % widthin; - if( highx < xint + 1 ) { - xpercent = highx -x; - } else { - xpercent = xint + 1 - x; - } - - percent = xpercent * ypercent; - area += percent; - temp = ( xindex + ( yindex * widthin) ) * components; - for( k = 0; k < components; k++ ) { - totals[k] += datain.get( temp + k ) * percent; - } - - xint++; - x = xint; - } - yint++; - y = yint; - } - - temp = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - // totals[] should be rounded in the case of enlarging an RGB - // ramp when the type is 332 or 4444 - dataout.put( temp + k, (short)((totals[k] + 0.5f) / area) ); - } - } - } - } - - public static void scale_internal_ubyte( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - ByteBuffer dataout, int element_size, int ysize, int group_size ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_ubyte( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * y_percent; - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * y_percent; - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - float f = 0.0f; - datain.position( left ); - f = ( 0x000000FF & datain.get() ) * ( 1.0f - lowx_float ); - datain.position( right ); - f += ( 0x000000FF & datain.get() ) * highx_float; - totals[k] += f; - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * x_percent; - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * y_percent; - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ) * percent; - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += ( 0x000000FF & datain.get() ); - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (byte)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_byte( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - ByteBuffer dataout, int element_size, int ysize, - int group_size ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_byte( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * y_percent; - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * y_percent; - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - float f = 0.0f; - datain.position( left ); - f = datain.get() * ( 1 - lowx_float ); - datain.position( right ); - f += datain.get() * highx_float; - totals[k] += f; - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * x_percent; - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * y_percent; - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get() * percent; - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - totals[k] += datain.get(); - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (byte)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_ushort( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - ShortBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_ushort( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * y_percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & (Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - float f = (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * ( 1 - lowx_float ); - datain.position( right ); - f += ((0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * highx_float); - totals[k] += f; - } else { - datain.position( left ); - float f = ((0x0000FFFF & datain.getShort()) * ( 1 - lowx_float )); - datain.position( right ); - f += ((0x0000FFFF & datain.getShort()) * highx_float); - totals[k] += f; - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * x_percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; - } else { - totals[k] += (0x0000FFFF & datain.getShort()) * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort())); - } else { - totals[k] += (0x0000FFFF & datain.getShort()); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (short)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_short( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - ShortBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - int swapbuf; // unsigned buffer - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_short( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getShort() * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getShort() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * ( 1 - lowx_float ); - datain.position( right ); - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * highx_float; - } else { - datain.position( left ); - totals[k] += datain.getShort() * ( 1 - lowx_float ); - datain.position( right ); - totals[k] += datain.getShort() * highx_float; - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort()); - totals[k] += swapbuf * x_percent; - } else { - totals[k] += datain.getShort() * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getShort() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getShort() * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); - totals[k] += swapbuf; - } else { - totals[k] += datain.getShort(); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (short)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_uint( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - IntBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_uint( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * ( 1 - lowx_float )); - datain.position( right ); - totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * highx_float); - } else { - datain.position( left ); - totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * ( 1 - lowx_float )); - datain.position( right ); - totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * highx_float); - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * x_percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * y_percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - long tempInt0 = ( 0xFFFFFFFFL & datain.getInt( temp_index ) ); - datain.position( temp_index ); - long tempInt1 = ( 0xFFFFFFFFL & datain.getInt() ); - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())); - } else { - totals[k] += (0x00000000FFFFFFFF & datain.getInt()); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - float value = 0.0f; - for( k = 0; k < components; k++ ) { - value = totals[k] / area; - dataout.position( outindex + k ); - if( value >= UINT_MAX ) { - dataout.put( (int)value ); - } else { - dataout.put( (int)(totals[k] / area) ); - } - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_int( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - IntBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - long swapbuf; // unsigned buffer - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_int( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getInt() * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getInt() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * ( 1 - lowx_float ); - datain.position( right ); - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * highx_float; - } else { - datain.position( left ); - totals[k] += (datain.getInt() * ( 1 - lowx_float )); - datain.position( right ); - totals[k] += (datain.getInt() * highx_float); - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * x_percent; - } else { - totals[k] += datain.getInt() * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getInt() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getInt() * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); - totals[k] += swapbuf; - } else { - totals[k] += datain.getInt(); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (int)(totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scale_internal_float( int components, int widthin, int heightin, - ByteBuffer datain, int widthout, int heightout, - FloatBuffer dataout, int element_size, int ysize, - int group_size, boolean myswap_bytes ) { - float x, convx; - float y, convy; - float percent; - // Max components in a format is 4, so... - float[] totals = new float[4]; - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outindex; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - float swapbuf; // unsigned buffer - - if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { - HalveImage.halveImage_float( components, widthin, heightin, datain, dataout, - element_size, ysize, group_size, myswap_bytes ); - return; - } - convy = (float)heightin / heightout; - convx = (float)widthin / widthout; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convy_float; - - for( i = 0; i < heightout; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightin) - highy_int = heightin - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthout; j++ ) { - - // Ok, now apply box filter to box that goes from (lowx, lowy) - // to (highx, highy) on input data into this pixel on output - // data. - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // caulate the value for pixels in the 1st row - xindex = lowx_int * group_size; - if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * ysize; - percent = y_percent * ( 1 - lowx_float ); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getFloat() * y_percent; - } - } - } - temp += group_size; - right = temp; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - - // calculate the value for pixels in the last row - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getFloat() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - - // calculate the value for the pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += ysize; - right += ysize; - for( k = 0; k < components; k++, left += element_size, right += element_size ) { - if( myswap_bytes ) { - datain.position( left ); - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * ( 1 - lowx_float ); - datain.position( right ); - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * highx_float; - } else { - datain.position( left ); - totals[k] += (datain.getFloat() * ( 1 - lowx_float )); - datain.position( right ); - totals[k] += (datain.getFloat() * highx_float); - } - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float) * x_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * x_percent; - } else { - totals[k] += datain.getFloat() * x_percent; - } - } - } - percent = x_percent * highy_float; - temp += ysize; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += group_size; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * y_percent; - } else { - totals[k] += datain.getFloat() * y_percent; - } - } - } - temp += group_size; - percent = y_percent * highx_float; - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + (lowy_int * ysize); - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf * percent; - } else { - totals[k] += datain.getFloat() * percent; - } - } - } - - // this is for the pixels in the body - temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { - datain.position( temp_index ); - if( myswap_bytes ) { - swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); - totals[k] += swapbuf; - } else { - totals[k] += datain.getFloat(); - } - } - temp += group_size; - } - temp0 += ysize; - } - - outindex = ( j + ( i * widthout ) ) * components; - for( k = 0; k < components; k++ ) { - dataout.position( outindex + k ); - dataout.put( (totals[k] / area) ); - } - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthin - 1) { - int delta = (highx_int - widthin + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - } - - public static void scaleInternalPackedPixel( int components, Extract extract, - int widthIn, int heightIn, ByteBuffer dataIn, int widthOut, - int heightOut, ByteBuffer dataOut, int pixelSizeInBytes, - int rowSizeInBytes, boolean isSwap ) { - float x, convx; - float y, convy; - float percent; - - // max components in a format is 4, so - float[] totals = new float[4]; - float[] extractTotals = new float[4]; - float[] extractMoreTotals = new float[4]; - float[] shoveTotals = new float[4]; - - float area; - int i, j, k, xindex; - - int temp, temp0; - int temp_index; - int outIndex = 0; - - int lowx_int, highx_int, lowy_int, highy_int; - float x_percent, y_percent; - float lowx_float, highx_float, lowy_float, highy_float; - float convy_float, convx_float; - int convy_int, convx_int; - int l, m; - int left, right; - - if( widthIn == widthOut * 2 && heightIn == heightOut * 2 ) { - HalveImage.halveImagePackedPixel( components, extract, widthIn, heightIn, dataIn, dataOut, - pixelSizeInBytes, rowSizeInBytes, isSwap ); - return; - } - convy = (float)heightIn / (float)heightOut; - convx = (float)widthIn / (float)widthOut; - convy_int = (int)Math.floor( convy ); - convy_float = convy - convy_int; - convx_int = (int)Math.floor( convx ); - convx_float = convx - convx_int; - - area = convx * convy; - - lowy_int = 0; - lowy_float = 0.0f; - highy_int = convy_int; - highy_float = convx_float; - - for( i = 0; i < heightOut; i++ ) { - // Clamp here to be sure we don't read beyond input buffer. - if (highy_int >= heightIn) - highy_int = heightIn - 1; - lowx_int = 0; - lowx_float = 0.0f; - highx_int = convx_int; - highx_float = convx_float; - - for( j = 0; j < widthOut; j++ ) { - // ok now apply box filter to box that goes from( lowx, lowy ) - // to ( highx, highy ) on input data into this pixel on output data - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - - // calculate that value for pixels in the 1st row - xindex = lowx_int * pixelSizeInBytes; - if( (highy_int > lowy_int) && (highx_int > lowx_int) ) { - - y_percent = 1 - lowy_float; - temp = xindex + lowy_int * rowSizeInBytes; - percent = y_percent * ( 1 - lowx_float ); - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - left = temp; - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += pixelSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * y_percent; - } - } - temp += pixelSizeInBytes; - right = temp; - percent = y_percent * highx_float; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - // calculate the value for pixels in the last row - - y_percent = highy_float; - percent = y_percent * ( 1 - lowx_float ); - temp = xindex + highy_int * rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += pixelSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * y_percent; - } - } - temp += pixelSizeInBytes; - percent = y_percent * highx_float; - dataIn.position( temp ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - - // calculate the value for pixels in the 1st and last column - for( m = lowy_int + 1; m < highy_int; m++ ) { - left += rowSizeInBytes; - right += rowSizeInBytes; - dataIn.position( left ); - extract.extract( isSwap, dataIn, extractTotals ); - dataIn.position( right ); - extract.extract( isSwap, dataIn, extractMoreTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += ( extractTotals[k] * ( 1 - lowx_float ) + extractMoreTotals[k] * highx_float ); - } - } - } else if( highy_int > lowy_int ) { - x_percent = highx_float - lowx_float; - percent = ( 1 - lowy_float ) * x_percent; - temp = xindex + lowy_int * rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp += rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * x_percent; - } - } - percent = x_percent * highy_float; - temp += rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - } else if( highx_int > lowx_int ) { - y_percent = highy_float - lowy_float; - percent = ( 1 - lowx_float ) * y_percent; - temp = xindex + lowy_int * rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - for( l = lowx_int + 1; l < highx_int; l++ ) { - temp += pixelSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * y_percent; - } - } - temp += pixelSizeInBytes; - percent = y_percent * highx_float; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - } else { - percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); - temp = xindex + lowy_int * rowSizeInBytes; - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - } - - // this is for the pixels in the body - temp0 = xindex + pixelSizeInBytes + ( lowy_int + 1 ) * rowSizeInBytes; - for( m = lowy_int + 1; m < highy_int; m++ ) { - temp = temp0; - for( l = lowx_int + 1; l < highx_int; l++ ) { - dataIn.position( temp ); - extract.extract( isSwap, dataIn, extractTotals ); - for( k = 0; k < components; k++ ) { - totals[k] += extractTotals[k] * percent; - } - temp += pixelSizeInBytes; - } - temp0 += rowSizeInBytes; - } - - outIndex = ( j + ( i * widthOut ) ); - for( k = 0; k < components; k++ ) { - shoveTotals[k] = totals[k] / area; - } - extract.shove( shoveTotals, outIndex, dataOut ); - lowx_int = highx_int; - lowx_float = highx_float; - highx_int += convx_int; - highx_float += convx_float; - if( highx_float > 1.0f ) { - highx_float -= 1.0f; - highx_int++; - } - - // Clamp to make sure we don't run off the right edge - if (highx_int > widthIn - 1) { - int delta = (highx_int - widthIn + 1); - lowx_int -= delta; - highx_int -= delta; - } - } - lowy_int = highy_int; - lowy_float = highy_float; - highy_int += convy_int; - highy_float += convy_float; - if( highy_float > 1.0f ) { - highy_float -= 1.0f; - highy_int++; - } - } - assert( outIndex == ( widthOut * heightOut - 1) ); - } - - public static void scaleInternal3D( int components, int widthIn, int heightIn, - int depthIn, ShortBuffer dataIn, int widthOut, int heightOut, - int depthOut, ShortBuffer dataOut ) { - float x, lowx, highx, convx, halfconvx; - float y, lowy, highy, convy, halfconvy; - float z, lowz, highz, convz, halfconvz; - float xpercent, ypercent, zpercent; - float percent; - // max compnents in a format is 4 - float[] totals = new float[4]; - float volume; - int i, j, d, k, zint, yint, xint, xindex, yindex, zindex; - int temp; - - lowy = highy = lowx = highx = 0.0f; - - convz = (float)depthIn / depthOut; - convy = (float)heightIn / heightOut; - convx = (float)widthIn / widthOut; - halfconvz = convz / 2.0f; - halfconvy = convy / 2.0f; - halfconvx = convx / 2.0f; - for( d = 0; d < depthOut; d++ ) { - z = convz * ( d + 0.5f ); - if( depthIn > depthOut ) { - highz = z + halfconvz; - lowz = z - halfconvz; - } else { - highz = z + 0.5f; - lowz = z - 0.5f; - } - for( i = 0; i < heightOut; i++ ) { - y = convy * ( i + 0.5f ); - if( heightIn > heightOut ) { - highz = y + halfconvy; - lowz = y - halfconvy; - } else { - highz = y + 0.5f; - lowz = y - 0.5f; - } - for( j = 0; j < widthOut; j++ ) { - x = convx * ( j + 0.5f ); - if( depthIn > depthOut ) { - highz = x + halfconvx; - lowz = x - halfconvx; - } else { - highz = x + 0.5f; - lowz = x - 0.5f; - } - - // Ok, now apply box filter to box that goes from ( lowx, lowy, lowz ) - // to ( highx, highy, highz ) on input data into this pixel on output data - - totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; - volume = 0.0f; - - z = lowz; - zint = (int)(Math.floor( z ) ); - while( z < highz ) { - zindex = ( zint + depthIn ) % depthIn; - if( highz < zint + 1 ) { - zpercent = highz - z; - } else { - zpercent = zint + 1 - z; - } - - y = lowy; - yint = (int)(Math.floor( y ) ); - while( y < highy ) { - yindex = ( yint + heightIn ) % heightIn; - if( highy < yint + 1 ) { - ypercent = highy - y; - } else { - ypercent = yint + 1 - y; - } - - x = lowx; - xint = (int)(Math.floor( x ) ); - - while( x < highx ) { - xindex = (xint + widthIn ) % widthIn; - if( highx < xint + 1 ) { - xpercent = highx - x; - } else { - xpercent = xint + 1 - x; - } - - percent = xpercent * ypercent * zpercent; - volume += percent; - - temp = (xindex + ( yindex *widthIn) + (zindex * widthIn *heightIn)) * components; - for( k = 0; k < components; k++ ) { - assert( 0 <= (temp+k) && (temp+k) < (widthIn * heightIn * depthIn * components) ); - totals[k] += dataIn.get( temp + k ) * percent; - } - xint++; - x = xint; - } // while x - yint++; - y = yint; - } // while y - zint++; - z = zint; - } // while z - - temp = ( j + ( i * widthOut ) + (d * widthOut * heightOut ) ) * components; - for( k = 0; k < components; k++ ) { - // totals should be rounded in the case of enlarging an rgb ramp when the type is 332 or 4444 - assert( 0 <= ( temp + k ) && ( temp + k ) < (widthOut * heightOut* depthOut * components) ); - dataOut.put( temp + k, (short)((totals[k] + 0.5f) / volume ) ); - } - } - } - } - } - - public static int gluScaleImage3D( GL gl, int format, int widthIn, int heightIn, - int depthIn, int typeIn, ByteBuffer dataIn, int widthOut, int heightOut, - int depthOut, int typeOut, ByteBuffer dataOut ) { - int components; - ShortBuffer beforeImage, afterImage; - PixelStorageModes psm = new PixelStorageModes(); - - if( widthIn == 0 || heightIn == 0 || depthIn == 0 || - widthOut == 0 || heightOut == 0 || depthOut == 0 ) { - return( 0 ); - } - - if( widthIn < 0 || heightIn < 0 || depthIn < 0 || - widthOut < 0 || heightOut < 0 || depthOut < 0 ) { - return( GLU.GLU_INVALID_VALUE ); - } - - if( !Mipmap.legalFormat(format) || !Mipmap.legalType(typeIn) || - !Mipmap.legalType(typeOut) || typeIn == GL.GL_BITMAP || - typeOut == GL.GL_BITMAP ) { - return( GLU.GLU_INVALID_ENUM ); - } - - if( !Mipmap.isLegalFormatForPackedPixelType( format, typeIn ) ) { - return( GLU.GLU_INVALID_OPERATION ); - } - - if( !Mipmap.isLegalFormatForPackedPixelType( format, typeOut ) ) { - return( GLU.GLU_INVALID_OPERATION ); - } - - try { - beforeImage = ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, - heightIn, depthIn, format, GL.GL_UNSIGNED_SHORT ) ).order( - ByteOrder.nativeOrder() ).asShortBuffer(); - afterImage = ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, - heightIn, depthIn, format, GL.GL_UNSIGNED_SHORT ) ).order( - ByteOrder.nativeOrder() ).asShortBuffer(); - } catch( OutOfMemoryError err ) { - return( GLU.GLU_OUT_OF_MEMORY ); - } - Mipmap.retrieveStoreModes3D( gl, psm ); - - Image.fillImage3D( psm, widthIn, heightIn, depthIn, format, typeIn, - Mipmap.is_index( format ), dataIn, beforeImage ); - components = Mipmap.elements_per_group( format, 0 ); - ScaleInternal.scaleInternal3D( components, widthIn, heightIn, depthIn, - beforeImage, widthOut, heightOut, depthOut, afterImage ); - Image.emptyImage3D( psm, widthOut, heightOut, depthOut, format, typeOut, - Mipmap.is_index( format ), afterImage, dataOut ); - - return( 0 ); - } -} |