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src/java.desktop/share/native/libmlib_image/mlib_ImageConvMxN.c

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   1 /*
   2  * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  73  *      The src and the dst must be the same type and have same number
  74  *      of channels (1, 2, 3, or 4). They can be in MLIB_BIT, MLIB_BYTE,
  75  *      MLIB_SHORT, MLIB_USHORT or MLIB_INT data type.
  76  *      m >= 1, n >= 1,
  77  *      0 <= dm < m, 0 <= dn < n.
  78  *      For data type MLIB_BYTE:   16 <= scale <= 31 (to be compatible with VIS version)
  79  *      For data type MLIB_SHORT:  17 <= scale <= 32 (to be compatible with VIS version)
  80  *      For data type MLIB_USHORT: 17 <= scale <= 32 (to be compatible with VIS version)
  81  *      For data type MLIB_INT:    scale >= 0
  82  */
  83 
  84 #include "mlib_image.h"
  85 #include "mlib_ImageCheck.h"
  86 #include "mlib_ImageConv.h"
  87 #include "mlib_ImageCreate.h"
  88 #include "mlib_c_ImageConv.h"
  89 #include "mlib_ImageClipping.h"
  90 #include "mlib_ImageConvEdge.h"
  91 
  92 /***************************************************************/
  93 JNIEXPORT mlib_status JNICALL mlib_ImageConvMxN(mlib_image       *dst,

  94                               const mlib_image *src,
  95                               const mlib_s32   *kernel,
  96                               mlib_s32         m,
  97                               mlib_s32         n,
  98                               mlib_s32         dm,
  99                               mlib_s32         dn,
 100                               mlib_s32         scale,
 101                               mlib_s32         cmask,
 102                               mlib_edge        edge)
 103 {
 104   MLIB_IMAGE_CHECK(dst);
 105 
 106   switch (mlib_ImageGetType(dst)) {
 107     case MLIB_BYTE:
 108 
 109       if (scale < 16 || scale > 31)
 110         return MLIB_FAILURE;
 111       break;
 112     case MLIB_SHORT:
 113     case MLIB_USHORT:


   1 /*
   2  * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  73  *      The src and the dst must be the same type and have same number
  74  *      of channels (1, 2, 3, or 4). They can be in MLIB_BIT, MLIB_BYTE,
  75  *      MLIB_SHORT, MLIB_USHORT or MLIB_INT data type.
  76  *      m >= 1, n >= 1,
  77  *      0 <= dm < m, 0 <= dn < n.
  78  *      For data type MLIB_BYTE:   16 <= scale <= 31 (to be compatible with VIS version)
  79  *      For data type MLIB_SHORT:  17 <= scale <= 32 (to be compatible with VIS version)
  80  *      For data type MLIB_USHORT: 17 <= scale <= 32 (to be compatible with VIS version)
  81  *      For data type MLIB_INT:    scale >= 0
  82  */
  83 
  84 #include "mlib_image.h"
  85 #include "mlib_ImageCheck.h"
  86 #include "mlib_ImageConv.h"
  87 #include "mlib_ImageCreate.h"
  88 #include "mlib_c_ImageConv.h"
  89 #include "mlib_ImageClipping.h"
  90 #include "mlib_ImageConvEdge.h"
  91 
  92 /***************************************************************/
  93 JNIEXPORT
  94 mlib_status mlib_ImageConvMxN(mlib_image       *dst,
  95                               const mlib_image *src,
  96                               const mlib_s32   *kernel,
  97                               mlib_s32         m,
  98                               mlib_s32         n,
  99                               mlib_s32         dm,
 100                               mlib_s32         dn,
 101                               mlib_s32         scale,
 102                               mlib_s32         cmask,
 103                               mlib_edge        edge)
 104 {
 105   MLIB_IMAGE_CHECK(dst);
 106 
 107   switch (mlib_ImageGetType(dst)) {
 108     case MLIB_BYTE:
 109 
 110       if (scale < 16 || scale > 31)
 111         return MLIB_FAILURE;
 112       break;
 113     case MLIB_SHORT:
 114     case MLIB_USHORT:


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