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1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef bim_FLT16_IMAGE_EM_H
18 #define bim_FLT16_IMAGE_EM_H
19 
20 /* ---- includes ----------------------------------------------------------- */
21 
22 #include "b_BasicEm/Context.h"
23 #include "b_BasicEm/Int16Arr.h"
24 #include "b_TensorEm/Int16Rect.h"
25 #include "b_TensorEm/Flt16Alt2D.h"
26 
27 /* ---- related objects  --------------------------------------------------- */
28 
29 struct bim_ComplexImage;
30 
31 /* ---- typedefs ----------------------------------------------------------- */
32 
33 /* ---- constants ---------------------------------------------------------- */
34 
35 /* data format version number */
36 #define bim_FLT16_IMAGE_VERSION 100
37 
38 /* ---- object definition -------------------------------------------------- */
39 
40 /** image of int16 with floating point */
41 struct bim_Flt16Image
42 {
43 
44 	/* ---- private data --------------------------------------------------- */
45 
46 	/** allocated array of bytes */
47 	struct bbs_Int16Arr allocArrE;
48 
49 	/* ---- public data ---------------------------------------------------- */
50 
51 	/** width of image */
52 	uint32 widthE;
53 
54 	/** height of image */
55 	uint32 heightE;
56 
57 	/** point position */
58 	int32 bbpE;
59 
60 	/** array of bytes */
61 	struct bbs_Int16Arr arrE;
62 };
63 
64 /* ---- associated objects ------------------------------------------------- */
65 
66 /* ---- external functions ------------------------------------------------- */
67 
68 /* ---- \ghd{ constructor/destructor } ------------------------------------- */
69 
70 /** initializes bim_Flt16Image  */
71 void bim_Flt16Image_init( struct bbs_Context* cpA,
72 						  struct bim_Flt16Image* ptrA );
73 
74 /** destroys bim_Flt16Image  */
75 void bim_Flt16Image_exit( struct bbs_Context* cpA,
76 						  struct bim_Flt16Image* ptrA );
77 
78 /* ---- \ghd{ operators } -------------------------------------------------- */
79 
80 /** copy operator */
81 void bim_Flt16Image_copy( struct bbs_Context* cpA,
82 						  struct bim_Flt16Image* ptrA,
83 						  const struct bim_Flt16Image* srcPtrA );
84 
85 /** equal operator */
86 flag bim_Flt16Image_equal( struct bbs_Context* cpA,
87 						   const struct bim_Flt16Image* ptrA,
88 						   const struct bim_Flt16Image* srcPtrA );
89 
90 /* ---- \ghd{ query functions } -------------------------------------------- */
91 
92 /* ---- \ghd{ modify functions } ------------------------------------------- */
93 
94 /** allocates memory for bim_Flt16Image */
95 void bim_Flt16Image_create( struct bbs_Context* cpA,
96 						    struct bim_Flt16Image* ptrA,
97 						    uint32 widthA,
98 							uint32 heightA,
99  					        struct bbs_MemSeg* mspA );
100 
101 /** assigns external image to array (no allocation, deallocation or copying of data) */
102 /*void bim_Flt16Image_assignExternalImage( struct bbs_Context* cpA,
103 										 struct bim_Flt16Image* ptrA,
104 										 struct bim_Flt16Image* srcPtrA );
105 */
106 /** sets image size */
107 void bim_Flt16Image_size( struct bbs_Context* cpA,
108 						  struct bim_Flt16Image* ptrA,
109 						  uint32 widthA,
110 						  uint32 heightA );
111 
112 /* ---- \ghd{ memory I/O } ------------------------------------------------- */
113 
114 /** word size (16-bit) needs when written to memory */
115 uint32 bim_Flt16Image_memSize( struct bbs_Context* cpA,
116 							   const struct bim_Flt16Image* ptrA );
117 
118 /** writes object to memory; returns number of words (16-bit) written */
119 uint32 bim_Flt16Image_memWrite( struct bbs_Context* cpA,
120 							    const struct bim_Flt16Image* ptrA,
121 							    uint16* memPtrA );
122 
123 /** reads object from memory; returns number of words (16-bit) read */
124 uint32 bim_Flt16Image_memRead( struct bbs_Context* cpA,
125 							   struct bim_Flt16Image* ptrA,
126 							   const uint16* memPtrA,
127  					           struct bbs_MemSeg* mspA );
128 
129 /* ---- \ghd{ exec functions } --------------------------------------------- */
130 
131 /** sets all pixels to one value */
132 void bim_Flt16Image_setAllPixels( struct bbs_Context* cpA,
133 								  struct bim_Flt16Image* ptrA,
134 								  int16 valueA, int32 bbpA );
135 
136 /** copies a section of given image */
137 void bim_Flt16Image_copySection( struct bbs_Context* cpA,
138 								 struct bim_Flt16Image* ptrA,
139 								 const struct bim_Flt16Image* srcPtrA,
140 								 const struct bts_Int16Rect* sectionPtrA );
141 
142 /** imports real values from complex image */
143 void bim_Flt16Image_importReal( struct bbs_Context* cpA,
144 							    struct bim_Flt16Image* dstPtrA,
145 						        const struct bim_ComplexImage* srcPtrA );
146 
147 /** imports imaginary values from complex image */
148 void bim_Flt16Image_importImag( struct bbs_Context* cpA,
149 							    struct bim_Flt16Image* dstPtrA,
150 						        const struct bim_ComplexImage* srcPtrA );
151 
152 /** imports magnitudes from complex image */
153 void bim_Flt16Image_importAbs( struct bbs_Context* cpA,
154 							   struct bim_Flt16Image* dstPtrA,
155 						       const struct bim_ComplexImage* srcPtrA );
156 
157 /** imports phases from complex image */
158 void bim_Flt16Image_importPhase( struct bbs_Context* cpA,
159 								 struct bim_Flt16Image* dstPtrA,
160 						         const struct bim_ComplexImage* srcPtrA );
161 
162 
163 #endif /* bim_FLT16_IMAGE_EM_H */
164 
165