1 /* |
|
2 * Copyright (c) 2000, 2003, 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 |
|
23 * questions. |
|
24 */ |
|
25 |
|
26 |
|
27 |
|
28 /* |
|
29 * FUNCTION |
|
30 * mlib_ImageCopy - Direct copy from one image to another. |
|
31 * |
|
32 * SYNOPSIS |
|
33 * mlib_status mlib_ImageCopy(mlib_image *dst, |
|
34 * mlib_image *src); |
|
35 * |
|
36 * ARGUMENT |
|
37 * dst pointer to output or destination image |
|
38 * src pointer to input or source image |
|
39 * |
|
40 * RESTRICTION |
|
41 * src and dst must have the same size, type and number of channels. |
|
42 * They can have 1, 2, 3 or 4 channels of MLIB_BIT, MLIB_BYTE, |
|
43 * MLIB_SHORT, MLIB_INT, MLIB_FLOAT or MLIB_DOUBLE data type. |
|
44 * |
|
45 * DESCRIPTION |
|
46 * Direct copy from one image to another. |
|
47 */ |
|
48 |
|
49 #include <stdlib.h> |
|
50 #include "mlib_image.h" |
|
51 #include "mlib_ImageCheck.h" |
|
52 |
|
53 /***************************************************************/ |
|
54 |
|
55 extern void mlib_v_ImageCopy_blk(mlib_u8 *sa, mlib_u8 *da, mlib_s32 size); |
|
56 extern void mlib_v_ImageCopy_a1(mlib_d64 *sp, mlib_d64 *dp, mlib_s32 size); |
|
57 extern void mlib_ImageCopy_na(mlib_u8 *sa, mlib_u8 *da, mlib_s32 size); |
|
58 extern void mlib_ImageCopy_bit_al(mlib_u8 *sa, mlib_u8 *da, |
|
59 mlib_s32 size, mlib_s32 offset); |
|
60 extern void mlib_ImageCopy_bit_na(mlib_u8 *sa, mlib_u8 *da, mlib_s32 size, |
|
61 mlib_s32 s_offset, mlib_s32 d_offset); |
|
62 |
|
63 /***************************************************************/ |
|
64 |
|
65 #ifdef MLIB_TEST |
|
66 |
|
67 mlib_status mlib_v_ImageCopy(mlib_image *dst, mlib_image *src) |
|
68 |
|
69 #else |
|
70 |
|
71 mlib_status mlib_ImageCopy(mlib_image *dst, const mlib_image *src) |
|
72 |
|
73 #endif |
|
74 { |
|
75 mlib_u8 *sa; /* start point in source */ |
|
76 mlib_u8 *da; /* start points in destination */ |
|
77 mlib_s32 width; /* width in bytes of src and dst */ |
|
78 mlib_s32 height; /* height in lines of src and dst */ |
|
79 mlib_s32 s_offset; /* bit offset of src */ |
|
80 mlib_s32 d_offset; /* bit offset of dst */ |
|
81 mlib_s32 stride; /* stride in bytes in src*/ |
|
82 mlib_s32 dstride; /* stride in bytes in dst */ |
|
83 mlib_s32 j; /* indices for x, y */ |
|
84 mlib_s32 size; |
|
85 |
|
86 MLIB_IMAGE_CHECK(src); |
|
87 MLIB_IMAGE_CHECK(dst); |
|
88 MLIB_IMAGE_TYPE_EQUAL(src, dst); |
|
89 MLIB_IMAGE_CHAN_EQUAL(src, dst); |
|
90 MLIB_IMAGE_SIZE_EQUAL(src, dst); |
|
91 |
|
92 width = mlib_ImageGetWidth(dst) * mlib_ImageGetChannels(dst); |
|
93 height = mlib_ImageGetHeight(dst); |
|
94 sa = (mlib_u8 *)mlib_ImageGetData(src); |
|
95 da = (mlib_u8 *)mlib_ImageGetData(dst); |
|
96 |
|
97 switch (mlib_ImageGetType(dst)) { |
|
98 case MLIB_BIT: |
|
99 |
|
100 if (!mlib_ImageIsNotOneDvector(src) && |
|
101 !mlib_ImageIsNotOneDvector(dst)) { |
|
102 size = height * (width >> 3); |
|
103 if ((size & 0x3f) == 0 && |
|
104 !mlib_ImageIsNotAligned64(src) && |
|
105 !mlib_ImageIsNotAligned64(dst)) { |
|
106 |
|
107 mlib_v_ImageCopy_blk(sa, da, size); |
|
108 return MLIB_SUCCESS; |
|
109 } |
|
110 if (((size & 7) == 0) && !mlib_ImageIsNotAligned8(src) && |
|
111 !mlib_ImageIsNotAligned8(dst)) { |
|
112 |
|
113 size >>= 3; /* in octlet */ |
|
114 mlib_v_ImageCopy_a1((mlib_d64 *)sa, (mlib_d64 *)da, size); |
|
115 } |
|
116 else { |
|
117 |
|
118 mlib_ImageCopy_na(sa, da, size); |
|
119 } |
|
120 } |
|
121 else { |
|
122 stride = mlib_ImageGetStride(src); /* in byte */ |
|
123 dstride = mlib_ImageGetStride(dst); /* in byte */ |
|
124 s_offset = mlib_ImageGetBitOffset(src); /* in bits */ |
|
125 d_offset = mlib_ImageGetBitOffset(dst); /* in bits */ |
|
126 |
|
127 if (s_offset == d_offset) { |
|
128 for (j = 0; j < height; j++) { |
|
129 mlib_ImageCopy_bit_al(sa, da, width, s_offset); |
|
130 sa += stride; |
|
131 da += dstride; |
|
132 } |
|
133 } else { |
|
134 for (j = 0; j < height; j++) { |
|
135 mlib_ImageCopy_bit_na(sa, da, width, s_offset, d_offset); |
|
136 sa += stride; |
|
137 da += dstride; |
|
138 } |
|
139 } |
|
140 } |
|
141 return MLIB_SUCCESS; |
|
142 case MLIB_BYTE: |
|
143 break; |
|
144 case MLIB_SHORT: |
|
145 width *= 2; |
|
146 break; |
|
147 case MLIB_INT: |
|
148 case MLIB_FLOAT: |
|
149 width *= 4; |
|
150 break; |
|
151 case MLIB_DOUBLE: |
|
152 width *= 8; |
|
153 break; |
|
154 default: |
|
155 return MLIB_FAILURE; |
|
156 } |
|
157 |
|
158 if (!mlib_ImageIsNotOneDvector(src) && |
|
159 !mlib_ImageIsNotOneDvector(dst)) { |
|
160 size = height * width; |
|
161 if ((size & 0x3f) == 0 && |
|
162 !mlib_ImageIsNotAligned64(src) && |
|
163 !mlib_ImageIsNotAligned64(dst)) { |
|
164 |
|
165 mlib_v_ImageCopy_blk(sa, da, size); |
|
166 return MLIB_SUCCESS; |
|
167 } |
|
168 if (((size & 7) == 0) && !mlib_ImageIsNotAligned8(src) && |
|
169 !mlib_ImageIsNotAligned8(dst)) { |
|
170 |
|
171 size >>= 3; /* in octlet */ |
|
172 mlib_v_ImageCopy_a1((mlib_d64 *)sa, (mlib_d64 *)da, size); |
|
173 } |
|
174 else { |
|
175 |
|
176 mlib_ImageCopy_na(sa, da, size); |
|
177 } |
|
178 } |
|
179 else { |
|
180 stride = mlib_ImageGetStride(src); /* in byte */ |
|
181 dstride = mlib_ImageGetStride(dst); /* in byte */ |
|
182 |
|
183 /* row loop */ |
|
184 for (j = 0; j < height; j++) { |
|
185 mlib_ImageCopy_na(sa, da, width); |
|
186 sa += stride; |
|
187 da += dstride; |
|
188 } |
|
189 } |
|
190 return MLIB_SUCCESS; |
|
191 } |
|
192 |
|
193 /***************************************************************/ |
|