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Side by Side Diff: core/fxcodec/codec/fx_codec_progress.cpp

Issue 2062313002: Make code compile with clang_use_chrome_plugin (part IV) (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: remove unused file Created 4 years, 6 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved. 1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 6
7 #include "core/fxcodec/codec/include/ccodec_progressivedecoder.h" 7 #include "core/fxcodec/codec/include/ccodec_progressivedecoder.h"
8 8
9 #include <algorithm> 9 #include <algorithm>
10 10
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30 for (; i < width; i++, j += 3) { 30 for (; i < width; i++, j += 3) {
31 temp = buffer[j]; 31 temp = buffer[j];
32 buffer[j] = buffer[j + 2]; 32 buffer[j] = buffer[j + 2];
33 buffer[j + 2] = temp; 33 buffer[j + 2] = temp;
34 } 34 }
35 } 35 }
36 } 36 }
37 37
38 } // namespace 38 } // namespace
39 39
40 CCodec_ProgressiveDecoder::CFXCODEC_WeightTable::CFXCODEC_WeightTable() {}
41
42 CCodec_ProgressiveDecoder::CFXCODEC_WeightTable::~CFXCODEC_WeightTable() {}
43
40 void CCodec_ProgressiveDecoder::CFXCODEC_WeightTable::Calc(int dest_len, 44 void CCodec_ProgressiveDecoder::CFXCODEC_WeightTable::Calc(int dest_len,
41 int dest_min, 45 int dest_min,
42 int dest_max, 46 int dest_max,
43 int src_len, 47 int src_len,
44 int src_min, 48 int src_min,
45 int src_max, 49 int src_max,
46 FX_BOOL bInterpol) { 50 FX_BOOL bInterpol) {
47 double scale, base; 51 double scale, base;
48 scale = (FX_FLOAT)src_len / (FX_FLOAT)dest_len; 52 scale = (FX_FLOAT)src_len / (FX_FLOAT)dest_len;
49 if (dest_len < 0) { 53 if (dest_len < 0) {
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129 if (weight == 0 && j == end_i) { 133 if (weight == 0 && j == end_i) {
130 pixel_weights.m_SrcEnd--; 134 pixel_weights.m_SrcEnd--;
131 break; 135 break;
132 } 136 }
133 pixel_weights.m_Weights[j - start_i] = 137 pixel_weights.m_Weights[j - start_i] =
134 FXSYS_round((FX_FLOAT)(weight * 65536)); 138 FXSYS_round((FX_FLOAT)(weight * 65536));
135 } 139 }
136 } 140 }
137 } 141 }
138 142
143 CCodec_ProgressiveDecoder::CFXCODEC_HorzTable::CFXCODEC_HorzTable() {}
144
145 CCodec_ProgressiveDecoder::CFXCODEC_HorzTable::~CFXCODEC_HorzTable() {}
146
139 void CCodec_ProgressiveDecoder::CFXCODEC_HorzTable::Calc(int dest_len, 147 void CCodec_ProgressiveDecoder::CFXCODEC_HorzTable::Calc(int dest_len,
140 int src_len, 148 int src_len,
141 FX_BOOL bInterpol) { 149 FX_BOOL bInterpol) {
142 double scale = (double)dest_len / (double)src_len; 150 double scale = (double)dest_len / (double)src_len;
143 m_ItemSize = sizeof(int) * 4; 151 m_ItemSize = sizeof(int) * 4;
144 int size = dest_len * m_ItemSize + 4; 152 int size = dest_len * m_ItemSize + 4;
145 m_pWeightTables.resize(size, 0); 153 m_pWeightTables.resize(size, 0);
146 if (scale > 1) { 154 if (scale > 1) {
147 int pre_des_col = 0; 155 int pre_des_col = 0;
148 for (int src_col = 0; src_col < src_len; src_col++) { 156 for (int src_col = 0; src_col < src_len; src_col++) {
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182 for (int des_col = 0; des_col < dest_len; des_col++) { 190 for (int des_col = 0; des_col < dest_len; des_col++) {
183 double src_col_f = des_col / scale; 191 double src_col_f = des_col / scale;
184 int src_col = FXSYS_round((FX_FLOAT)src_col_f); 192 int src_col = FXSYS_round((FX_FLOAT)src_col_f);
185 PixelWeight* pWeight = GetPixelWeight(des_col); 193 PixelWeight* pWeight = GetPixelWeight(des_col);
186 pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col; 194 pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col;
187 pWeight->m_Weights[0] = 65536; 195 pWeight->m_Weights[0] = 65536;
188 pWeight->m_Weights[1] = 0; 196 pWeight->m_Weights[1] = 0;
189 } 197 }
190 } 198 }
191 199
200 CCodec_ProgressiveDecoder::CFXCODEC_VertTable::CFXCODEC_VertTable() {}
201
202 CCodec_ProgressiveDecoder::CFXCODEC_VertTable::~CFXCODEC_VertTable() {}
203
192 void CCodec_ProgressiveDecoder::CFXCODEC_VertTable::Calc(int dest_len, 204 void CCodec_ProgressiveDecoder::CFXCODEC_VertTable::Calc(int dest_len,
193 int src_len) { 205 int src_len) {
194 double scale = (double)dest_len / (double)src_len; 206 double scale = (double)dest_len / (double)src_len;
195 m_ItemSize = sizeof(int) * 4; 207 m_ItemSize = sizeof(int) * 4;
196 int size = dest_len * m_ItemSize + 4; 208 int size = dest_len * m_ItemSize + 4;
197 m_pWeightTables.resize(size, 0); 209 m_pWeightTables.resize(size, 0);
198 if (scale <= 1) { 210 if (scale <= 1) {
199 for (int des_row = 0; des_row < dest_len; des_row++) { 211 for (int des_row = 0; des_row < dest_len; des_row++) {
200 PixelWeight* pWeight = GetPixelWeight(des_row); 212 PixelWeight* pWeight = GetPixelWeight(des_row);
201 pWeight->m_SrcStart = des_row; 213 pWeight->m_SrcStart = des_row;
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2351 return m_status; 2363 return m_status;
2352 } 2364 }
2353 default: 2365 default:
2354 return FXCODEC_STATUS_ERROR; 2366 return FXCODEC_STATUS_ERROR;
2355 } 2367 }
2356 } 2368 }
2357 2369
2358 CCodec_ProgressiveDecoder* CCodec_ModuleMgr::CreateProgressiveDecoder() { 2370 CCodec_ProgressiveDecoder* CCodec_ModuleMgr::CreateProgressiveDecoder() {
2359 return new CCodec_ProgressiveDecoder(this); 2371 return new CCodec_ProgressiveDecoder(this);
2360 } 2372 }
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