56 |
private float[] data; |
private float[] data; |
57 |
private float[][] bankData; |
private float[][] bankData; |
58 |
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|
59 |
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/** |
60 |
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* Creates a new data buffer with a single data bank containing the |
61 |
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* specified number of <code>float</code> elements. |
62 |
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* |
63 |
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* @param size the number of elements in the data bank. |
64 |
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*/ |
65 |
public DataBufferFloat(int size) |
public DataBufferFloat(int size) |
66 |
{ |
{ |
67 |
super(TYPE_FLOAT, size); |
super(TYPE_FLOAT, size); |
68 |
data = new float[size]; |
data = new float[size]; |
69 |
} |
} |
70 |
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|
71 |
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/** |
72 |
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* Creates a new data buffer with the specified number of data banks, |
73 |
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* each containing the specified number of <code>float</code> elements. |
74 |
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* |
75 |
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* @param size the number of elements in the data bank. |
76 |
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* @param numBanks the number of data banks. |
77 |
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*/ |
78 |
public DataBufferFloat(int size, int numBanks) |
public DataBufferFloat(int size, int numBanks) |
79 |
{ |
{ |
80 |
super(TYPE_FLOAT, size, numBanks); |
super(TYPE_FLOAT, size, numBanks); |
82 |
data = bankData[0]; |
data = bankData[0]; |
83 |
} |
} |
84 |
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|
85 |
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/** |
86 |
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* Creates a new data buffer backed by the specified data bank. |
87 |
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* <p> |
88 |
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* Note: there is no exception when <code>dataArray</code> is |
89 |
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* <code>null</code>, but in that case an exception will be thrown |
90 |
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* later if you attempt to access the data buffer. |
91 |
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* |
92 |
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* @param dataArray the data bank. |
93 |
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* @param size the number of elements in the data bank. |
94 |
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*/ |
95 |
public DataBufferFloat(float[] dataArray, int size) |
public DataBufferFloat(float[] dataArray, int size) |
96 |
{ |
{ |
97 |
super(TYPE_FLOAT, size); |
super(TYPE_FLOAT, size); |
98 |
data = dataArray; |
data = dataArray; |
99 |
} |
} |
100 |
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|
101 |
|
/** |
102 |
|
* Creates a new data buffer backed by the specified data bank, with |
103 |
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* the specified offset to the first element. |
104 |
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* <p> |
105 |
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* Note: there is no exception when <code>dataArray</code> is |
106 |
|
* <code>null</code>, but in that case an exception will be thrown |
107 |
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* later if you attempt to access the data buffer. |
108 |
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* |
109 |
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* @param dataArray the data bank. |
110 |
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* @param size the number of elements in the data bank. |
111 |
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* @param offset the offset to the first element in the array. |
112 |
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*/ |
113 |
public DataBufferFloat(float[] dataArray, int size, int offset) |
public DataBufferFloat(float[] dataArray, int size, int offset) |
114 |
{ |
{ |
115 |
super(TYPE_FLOAT, size, 1, offset); |
super(TYPE_FLOAT, size, 1, offset); |
116 |
data = dataArray; |
data = dataArray; |
117 |
} |
} |
118 |
|
|
119 |
|
/** |
120 |
|
* Creates a new data buffer backed by the specified data banks. |
121 |
|
* |
122 |
|
* @param dataArray the data banks. |
123 |
|
* @param size the number of elements in the data bank. |
124 |
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* |
125 |
|
* @throws NullPointerException if <code>dataArray</code> is |
126 |
|
* <code>null</code>. |
127 |
|
*/ |
128 |
public DataBufferFloat(float[][] dataArray, int size) |
public DataBufferFloat(float[][] dataArray, int size) |
129 |
{ |
{ |
130 |
super(TYPE_FLOAT, size, dataArray.length); |
super(TYPE_FLOAT, size, dataArray.length); |
132 |
data = bankData[0]; |
data = bankData[0]; |
133 |
} |
} |
134 |
|
|
135 |
|
/** |
136 |
|
* Creates a new data buffer backed by the specified data banks, with |
137 |
|
* the specified offsets to the first element in each bank. |
138 |
|
* |
139 |
|
* @param dataArray the data banks. |
140 |
|
* @param size the number of elements in the data bank. |
141 |
|
* @param offsets the offsets to the first element in each data bank. |
142 |
|
* |
143 |
|
* @throws NullPointerException if <code>dataArray</code> is |
144 |
|
* <code>null</code>. |
145 |
|
*/ |
146 |
public DataBufferFloat(float[][] dataArray, int size, int[] offsets) |
public DataBufferFloat(float[][] dataArray, int size, int[] offsets) |
147 |
{ |
{ |
148 |
super(TYPE_FLOAT, size, dataArray.length, offsets); |
super(TYPE_FLOAT, size, dataArray.length, offsets); |
150 |
data = bankData[0]; |
data = bankData[0]; |
151 |
} |
} |
152 |
|
|
153 |
|
/** |
154 |
|
* Returns the first data bank. |
155 |
|
* |
156 |
|
* @return The first data bank. |
157 |
|
*/ |
158 |
public float[] getData() |
public float[] getData() |
159 |
{ |
{ |
160 |
return data; |
return data; |
161 |
} |
} |
162 |
|
|
163 |
|
/** |
164 |
|
* Returns a data bank. |
165 |
|
* |
166 |
|
* @param bank the bank index. |
167 |
|
* @return A data bank. |
168 |
|
*/ |
169 |
public float[] getData(int bank) |
public float[] getData(int bank) |
170 |
{ |
{ |
171 |
return bankData[bank]; |
return bankData[bank]; |
172 |
} |
} |
173 |
|
|
174 |
|
/** |
175 |
|
* Returns the array underlying this <code>DataBuffer</code>. |
176 |
|
* |
177 |
|
* @return The data banks. |
178 |
|
*/ |
179 |
public float[][] getBankData() |
public float[][] getBankData() |
180 |
{ |
{ |
181 |
return bankData; |
return bankData; |
182 |
} |
} |
183 |
|
|
184 |
|
/** |
185 |
|
* Returns an element from the first data bank. The offset (specified in |
186 |
|
* the constructor) is added to <code>i</code> before accessing the |
187 |
|
* underlying data array. |
188 |
|
* |
189 |
|
* @param i the element index. |
190 |
|
* @return The element. |
191 |
|
*/ |
192 |
public int getElem(int i) |
public int getElem(int i) |
193 |
{ |
{ |
194 |
return (int) data[i+offset]; |
return (int) data[i+offset]; |
195 |
} |
} |
196 |
|
|
197 |
|
/** |
198 |
|
* Returns an element from a particular data bank. The offset (specified in |
199 |
|
* the constructor) is added to <code>i</code> before accessing the |
200 |
|
* underlying data array. |
201 |
|
* |
202 |
|
* @param bank the bank index. |
203 |
|
* @param i the element index. |
204 |
|
* @return The element. |
205 |
|
*/ |
206 |
public int getElem(int bank, int i) |
public int getElem(int bank, int i) |
207 |
{ |
{ |
208 |
return (int) bankData[bank][i+offsets[bank]]; |
return (int) bankData[bank][i+offsets[bank]]; |
209 |
} |
} |
210 |
|
|
211 |
|
/** |
212 |
|
* Sets an element in the first data bank. The offset (specified in the |
213 |
|
* constructor) is added to <code>i</code> before updating the underlying |
214 |
|
* data array. |
215 |
|
* |
216 |
|
* @param i the element index. |
217 |
|
* @param val the new element value. |
218 |
|
*/ |
219 |
public void setElem(int i, int val) |
public void setElem(int i, int val) |
220 |
{ |
{ |
221 |
data[i+offset] = (float) val; |
data[i+offset] = (float) val; |
222 |
} |
} |
223 |
|
|
224 |
|
/** |
225 |
|
* Sets an element in a particular data bank. The offset (specified in the |
226 |
|
* constructor) is added to <code>i</code> before updating the underlying |
227 |
|
* data array. |
228 |
|
* |
229 |
|
* @param bank the data bank index. |
230 |
|
* @param i the element index. |
231 |
|
* @param val the new element value. |
232 |
|
*/ |
233 |
public void setElem(int bank, int i, int val) |
public void setElem(int bank, int i, int val) |
234 |
{ |
{ |
235 |
bankData[bank][i+offsets[bank]] = (float) val; |
bankData[bank][i+offsets[bank]] = (float) val; |