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comparison dwt/internal/image/JPEGQuantizationTable.d @ 7:e831403a80a9

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Add 'cast' to casts
author Frank Benoit <benoit@tionex.de>
date Wed, 27 Aug 2008 14:30:35 +0200
parents 1a8b3cb347e0
children 5123b17c98ef
comparison
equal deleted inserted replaced
6:b903c16b6f48 7:e831403a80a9
11 module dwt.internal.image; 11 module dwt.internal.image;
12 12
13 13
14 final class JPEGQuantizationTable : JPEGVariableSizeSegment { 14 final class JPEGQuantizationTable : JPEGVariableSizeSegment {
15 public static byte[] DefaultLuminanceQTable = { 15 public static byte[] DefaultLuminanceQTable = {
16 (byte)255, (byte)219, 0, 67, 0, 16 cast(byte)255, cast(byte)219, 0, 67, 0,
17 16, 11, 10, 16, 24, 40, 51, 61, 17 16, 11, 10, 16, 24, 40, 51, 61,
18 12, 12, 14, 19, 26, 58, 60, 55, 18 12, 12, 14, 19, 26, 58, 60, 55,
19 14, 13, 16, 24, 40, 57, 69, 56, 19 14, 13, 16, 24, 40, 57, 69, 56,
20 14, 17, 22, 29, 51, 87, 80, 62, 20 14, 17, 22, 29, 51, 87, 80, 62,
21 18, 22, 37, 56, 68, 109, 103, 77, 21 18, 22, 37, 56, 68, 109, 103, 77,
22 24, 35, 55, 64, 81, 104, 113, 92, 22 24, 35, 55, 64, 81, 104, 113, 92,
23 49, 64, 78, 87, 103, 121, 120, 101, 23 49, 64, 78, 87, 103, 121, 120, 101,
24 72, 92, 95, 98, 112, 100, 103, 99 24 72, 92, 95, 98, 112, 100, 103, 99
25 }; 25 };
26 public static byte[] DefaultChrominanceQTable = { 26 public static byte[] DefaultChrominanceQTable = {
27 (byte)255, (byte)219, 0, 67, 1, 27 cast(byte)255, cast(byte)219, 0, 67, 1,
28 17, 18, 24, 47, 99, 99, 99, 99, 28 17, 18, 24, 47, 99, 99, 99, 99,
29 18, 21, 26, 66, 99, 99, 99, 99, 29 18, 21, 26, 66, 99, 99, 99, 99,
30 24, 26, 56, 99, 99, 99, 99, 99, 30 24, 26, 56, 99, 99, 99, 99, 99,
31 47, 66, 99, 99, 99, 99, 99, 99, 31 47, 66, 99, 99, 99, 99, 99, 99,
32 99, 99, 99, 99, 99, 99, 99, 99, 32 99, 99, 99, 99, 99, 99, 99, 99,
139 if (pq is 0) { 139 if (pq is 0) {
140 for (int i = ofs + 1; i <= ofs + 64; i++) { 140 for (int i = ofs + 1; i <= ofs + 64; i++) {
141 int temp = ((reference[i] & 0xFF) * qFactor + 50) / 100; 141 int temp = ((reference[i] & 0xFF) * qFactor + 50) / 100;
142 if (temp <= 0) temp = 1; 142 if (temp <= 0) temp = 1;
143 if (temp > 255) temp = 255; 143 if (temp > 255) temp = 255;
144 reference[i] = (byte)temp; 144 reference[i] = cast(byte)temp;
145 } 145 }
146 ofs += 65; 146 ofs += 65;
147 totalLength -= 65; 147 totalLength -= 65;
148 } else { 148 } else {
149 for (int i = ofs + 1; i <= ofs + 128; i += 2) { 149 for (int i = ofs + 1; i <= ofs + 128; i += 2) {
150 int temp = (((reference[i] & 0xFF) * 256 + (reference[i + 1] & 0xFF)) * qFactor + 50) / 100; 150 int temp = (((reference[i] & 0xFF) * 256 + (reference[i + 1] & 0xFF)) * qFactor + 50) / 100;
151 if (temp <= 0) temp = 1; 151 if (temp <= 0) temp = 1;
152 if (temp > 32767) temp = 32767; 152 if (temp > 32767) temp = 32767;
153 reference[i] = (byte)(temp >> 8); 153 reference[i] = cast(byte)(temp >> 8);
154 reference[i + 1] = (byte)(temp & 0xFF); 154 reference[i + 1] = cast(byte)(temp & 0xFF);
155 } 155 }
156 ofs += 129; 156 ofs += 129;
157 totalLength -= 129; 157 totalLength -= 129;
158 } 158 }
159 } 159 }