Merge to XFA: Remove dead code found by Scythe.

core/src/fxge/dib/fx_dib_composite.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../../include/fxge/fx_ge.h"
 #include "../../../include/fxcodec/fx_codec.h"
 #include "dib_int.h"
-const uint8_t g_GammaRamp[256] = {
-    0,   0,   0,   0,   0,   0,   0,   1,   1,   1,   1,   1,   1,   1,   1,   1,
-    1,   1,   2,   2,   2,   2,   2,   2,   2,   2,   3,   3,   3,   3,   3,   3,
-    4,   4,   4,   4,   4,   5,   5,   5,   5,   6,   6,   6,   6,   7,   7,   7,
-    8,   8,   8,   8,   9,   9,   9,  10,  10,  10,  11,  11,  12,  12,  12,  13,
-    13,  13,  14,  14,  15,  15,  16,  16,  17,  17,  17,  18,  18,  19,  19,  20,
-    20,  21,  22,  22,  23,  23,  24,  24,  25,  25,  26,  27,  27,  28,  29,  29,
-    30,  30,  31,  32,  32,  33,  34,  35,  35,  36,  37,  37,  38,  39,  40,  41,
-    41,  42,  43,  44,  45,  45,  46,  47,  48,  49,  50,  51,  51,  52,  53,  54,
-    55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,
-    71,  72,  73,  74,  76,  77,  78,  79,  80,  81,  82,  84,  85,  86,  87,  88,
-    90,  91,  92,  93,  95,  96,  97,  99, 100, 101, 103, 104, 105, 107, 108, 109,
-    111, 112, 114, 115, 116, 118, 119, 121, 122, 124, 125, 127, 128, 130, 131, 133,
-    134, 136, 138, 139, 141, 142, 144, 146, 147, 149, 151, 152, 154, 156, 157, 159,
-    161, 163, 164, 166, 168, 170, 171, 173, 175, 177, 179, 181, 183, 184, 186, 188,
-    190, 192, 194, 196, 198, 200, 202, 204, 206, 208, 210, 212, 214, 216, 218, 220,
-    222, 224, 226, 229, 231, 233, 235, 237, 239, 242, 244, 246, 248, 250, 253, 255,
-};
-const uint8_t g_GammaInverse[256] = {
-    0,  13,  22,  28,  34,  38,  42,  46,  50,  53,  56,  59,  61,  64,  66,  69,
-    71,  73,  75,  77,  79,  81,  83,  85,  86,  88,  90,  92,  93,  95,  96,  98,
-    99, 101, 102, 104, 105, 106, 108, 109, 110, 112, 113, 114, 115, 117, 118, 119,
-    120, 121, 122, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136,
-    137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 148, 149, 150, 151,
-    152, 153, 154, 155, 155, 156, 157, 158, 159, 159, 160, 161, 162, 163, 163, 164,
-    165, 166, 167, 167, 168, 169, 170, 170, 171, 172, 173, 173, 174, 175, 175, 176,
-    177, 178, 178, 179, 180, 180, 181, 182, 182, 183, 184, 185, 185, 186, 187, 187,
-    188, 189, 189, 190, 190, 191, 192, 192, 193, 194, 194, 195, 196, 196, 197, 197,
-    198, 199, 199, 200, 200, 201, 202, 202, 203, 203, 204, 205, 205, 206, 206, 207,
-    208, 208, 209, 209, 210, 210, 211, 212, 212, 213, 213, 214, 214, 215, 215, 216,
-    216, 217, 218, 218, 219, 219, 220, 220, 221, 221, 222, 222, 223, 223, 224, 224,
-    225, 226, 226, 227, 227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, 233,
-    233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238, 238, 239, 239, 240, 240,
-    241, 241, 242, 242, 243, 243, 244, 244, 245, 245, 246, 246, 246, 247, 247, 248,
-    248, 249, 249, 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255,
-};
 const uint8_t _color_sqrt[256] = {
     0x00, 0x03, 0x07, 0x0B, 0x0F, 0x12, 0x16, 0x19, 0x1D, 0x20, 0x23, 0x26, 0x29, 0x2C, 0x2F, 0x32,
     0x35, 0x37, 0x3A, 0x3C, 0x3F, 0x41, 0x43, 0x46, 0x48, 0x4A, 0x4C, 0x4E, 0x50, 0x52, 0x54, 0x56,
     0x57, 0x59, 0x5B, 0x5C, 0x5E, 0x60, 0x61, 0x63, 0x64, 0x65, 0x67, 0x68, 0x69, 0x6B, 0x6C, 0x6D,
     0x6E, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E,
     0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E,
     0x8F, 0x90, 0x91, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C,
     0x9C, 0x9D, 0x9E, 0x9F, 0xA0, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA4, 0xA5, 0xA6, 0xA7, 0xA7, 0xA8,
     0xA9, 0xAA, 0xAA, 0xAB, 0xAC, 0xAD, 0xAD, 0xAE, 0xAF, 0xB0, 0xB0, 0xB1, 0xB2, 0xB3, 0xB3, 0xB4,
     0xB5, 0xB5, 0xB6, 0xB7, 0xB7, 0xB8, 0xB9, 0xBA, 0xBA, 0xBB, 0xBC, 0xBC, 0xBD, 0xBE, 0xBE, 0xBF,
@@ skipping 4491 matching lines @@
     }
     src_alpha_scan = m_pScanlineAlphaV;
     dest_alpha_scan = dest_alpha_buf;
     if (dest_alpha_scan) {
         for (i = 0; i < m_DestHeight; i ++) {
             *dest_alpha_scan = *src_alpha_scan++;
             dest_alpha_scan += y_alpha_step;
         }
     }
 }