1 /*
2 * Copyright (c) 1999, 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 #ifndef MLIB_IMAGECHECK_H
28 #define MLIB_IMAGECHECK_H
29
30 #include <stdlib.h>
31 #include <mlib_image.h>
32
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36
37 /***************************************************************/
38
39 #define MLIB_IMAGE_CHECK(image) \
40 if (image == NULL) return MLIB_NULLPOINTER
41
42 #define MLIB_IMAGE_SIZE_EQUAL(image1,image2) \
43 if (mlib_ImageGetWidth(image1) != mlib_ImageGetWidth(image2) || \
44 mlib_ImageGetHeight(image1) != mlib_ImageGetHeight(image2)) \
45 return MLIB_FAILURE
46
47 #define MLIB_IMAGE_TYPE_EQUAL(image1,image2) \
48 if (mlib_ImageGetType(image1) != mlib_ImageGetType(image2)) \
49 return MLIB_FAILURE
50
51 #define MLIB_IMAGE_CHAN_EQUAL(image1,image2) \
52 if (mlib_ImageGetChannels(image1) != mlib_ImageGetChannels(image2)) \
53 return MLIB_FAILURE
54
55 #define MLIB_IMAGE_FULL_EQUAL(image1,image2) \
56 MLIB_IMAGE_SIZE_EQUAL(image1,image2); \
57 MLIB_IMAGE_TYPE_EQUAL(image1,image2); \
58 MLIB_IMAGE_CHAN_EQUAL(image1,image2)
59
60 #define MLIB_IMAGE_HAVE_TYPE(image, type) \
61 if (mlib_ImageGetType(image) != type) \
62 return MLIB_FAILURE
63
64 #define MLIB_IMAGE_HAVE_CHAN(image, channels) \
65 if (mlib_ImageGetChannels(image) != channels) \
66 return MLIB_FAILURE
67
68 #define MLIB_IMAGE_HAVE_3_OR_4_CHAN(image) \
69 if (mlib_ImageGetChannels(image) != 3 && \
70 mlib_ImageGetChannels(image) != 4) \
71 return MLIB_FAILURE
72
73 #define MLIB_IMAGE_CHAN_SRC1_OR_EQ(src, dst) \
74 if (mlib_ImageGetChannels(src) != 1) { \
75 if (mlib_ImageGetChannels(src) != mlib_ImageGetChannels(dst)) \
76 return MLIB_FAILURE; \
77 }
78
79 #define MLIB_IMAGE_TYPE_DSTBIT_OR_EQ(src, dst) \
80 if ((mlib_ImageGetType(src) != mlib_ImageGetType(dst)) && \
81 (mlib_ImageGetType(dst) != MLIB_BIT)) { \
82 return MLIB_FAILURE; \
83 }
84
85 #define MLIB_IMAGE_AND_COLORMAP_ARE_COMPAT(image,colormap) \
86 if ((mlib_ImageGetChannels(image) != mlib_ImageGetLutChannels(colormap)) \
87 || (mlib_ImageGetLutType(colormap) != mlib_ImageGetType(image))) { \
88 return MLIB_FAILURE; \
89 }
90
91 #define MLIB_IMAGE_GET_ALL_PARAMS(image, type, nchan, width, height, stride, pdata) \
92 type = mlib_ImageGetType(image); \
93 nchan = mlib_ImageGetChannels(image); \
94 width = mlib_ImageGetWidth(image); \
95 height = mlib_ImageGetHeight(image); \
96 stride = mlib_ImageGetStride(image); \
97 pdata = (void*)mlib_ImageGetData(image)
98
99 /***************************************************************/
100
101 #ifdef __cplusplus
102 }
103 #endif
104 #endif /* MLIB_IMAGECHECK_H */