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Side by Side Diff: core/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp

Issue 2334323005: Rename dictionary set and get methods (Closed)
Patch Set: Created 4 years, 3 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/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h" 7 #include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
8 8
9 #include <limits.h> 9 #include <limits.h>
10 #include <utility> 10 #include <utility>
(...skipping 221 matching lines...) Expand 10 before | Expand all | Expand 10 after
232 int width, 232 int width,
233 int height, 233 int height,
234 const CPDF_Dictionary* pParams) { 234 const CPDF_Dictionary* pParams) {
235 int K = 0; 235 int K = 0;
236 FX_BOOL EndOfLine = FALSE; 236 FX_BOOL EndOfLine = FALSE;
237 FX_BOOL ByteAlign = FALSE; 237 FX_BOOL ByteAlign = FALSE;
238 FX_BOOL BlackIs1 = FALSE; 238 FX_BOOL BlackIs1 = FALSE;
239 int Columns = 1728; 239 int Columns = 1728;
240 int Rows = 0; 240 int Rows = 0;
241 if (pParams) { 241 if (pParams) {
242 K = pParams->GetIntegerBy("K"); 242 K = pParams->GetIntegerFor("K");
243 EndOfLine = pParams->GetIntegerBy("EndOfLine"); 243 EndOfLine = pParams->GetIntegerFor("EndOfLine");
244 ByteAlign = pParams->GetIntegerBy("EncodedByteAlign"); 244 ByteAlign = pParams->GetIntegerFor("EncodedByteAlign");
245 BlackIs1 = pParams->GetIntegerBy("BlackIs1"); 245 BlackIs1 = pParams->GetIntegerFor("BlackIs1");
246 Columns = pParams->GetIntegerBy("Columns", 1728); 246 Columns = pParams->GetIntegerFor("Columns", 1728);
247 Rows = pParams->GetIntegerBy("Rows"); 247 Rows = pParams->GetIntegerFor("Rows");
248 if (Rows > USHRT_MAX) { 248 if (Rows > USHRT_MAX) {
249 Rows = 0; 249 Rows = 0;
250 } 250 }
251 if (Columns <= 0 || Rows < 0 || Columns > USHRT_MAX || Rows > USHRT_MAX) { 251 if (Columns <= 0 || Rows < 0 || Columns > USHRT_MAX || Rows > USHRT_MAX) {
252 return nullptr; 252 return nullptr;
253 } 253 }
254 } 254 }
255 return CPDF_ModuleMgr::Get()->GetFaxModule()->CreateDecoder( 255 return CPDF_ModuleMgr::Get()->GetFaxModule()->CreateDecoder(
256 src_buf, src_size, width, height, K, EndOfLine, ByteAlign, BlackIs1, 256 src_buf, src_size, width, height, K, EndOfLine, ByteAlign, BlackIs1,
257 Columns, Rows); 257 Columns, Rows);
(...skipping 25 matching lines...) Expand all
283 const uint8_t* src_buf, 283 const uint8_t* src_buf,
284 uint32_t src_size, 284 uint32_t src_size,
285 int width, 285 int width,
286 int height, 286 int height,
287 int nComps, 287 int nComps,
288 int bpc, 288 int bpc,
289 const CPDF_Dictionary* pParams) { 289 const CPDF_Dictionary* pParams) {
290 int predictor = 0; 290 int predictor = 0;
291 int Colors = 0, BitsPerComponent = 0, Columns = 0; 291 int Colors = 0, BitsPerComponent = 0, Columns = 0;
292 if (pParams) { 292 if (pParams) {
293 predictor = pParams->GetIntegerBy("Predictor"); 293 predictor = pParams->GetIntegerFor("Predictor");
294 Colors = pParams->GetIntegerBy("Colors", 1); 294 Colors = pParams->GetIntegerFor("Colors", 1);
295 BitsPerComponent = pParams->GetIntegerBy("BitsPerComponent", 8); 295 BitsPerComponent = pParams->GetIntegerFor("BitsPerComponent", 8);
296 Columns = pParams->GetIntegerBy("Columns", 1); 296 Columns = pParams->GetIntegerFor("Columns", 1);
297 if (!CheckFlateDecodeParams(Colors, BitsPerComponent, Columns)) { 297 if (!CheckFlateDecodeParams(Colors, BitsPerComponent, Columns)) {
298 return nullptr; 298 return nullptr;
299 } 299 }
300 } 300 }
301 return CPDF_ModuleMgr::Get()->GetFlateModule()->CreateDecoder( 301 return CPDF_ModuleMgr::Get()->GetFlateModule()->CreateDecoder(
302 src_buf, src_size, width, height, nComps, bpc, predictor, Colors, 302 src_buf, src_size, width, height, nComps, bpc, predictor, Colors,
303 BitsPerComponent, Columns); 303 BitsPerComponent, Columns);
304 } 304 }
305 305
306 uint32_t FPDFAPI_FlateOrLZWDecode(FX_BOOL bLZW, 306 uint32_t FPDFAPI_FlateOrLZWDecode(FX_BOOL bLZW,
307 const uint8_t* src_buf, 307 const uint8_t* src_buf,
308 uint32_t src_size, 308 uint32_t src_size,
309 CPDF_Dictionary* pParams, 309 CPDF_Dictionary* pParams,
310 uint32_t estimated_size, 310 uint32_t estimated_size,
311 uint8_t*& dest_buf, 311 uint8_t*& dest_buf,
312 uint32_t& dest_size) { 312 uint32_t& dest_size) {
313 int predictor = 0; 313 int predictor = 0;
314 FX_BOOL bEarlyChange = TRUE; 314 FX_BOOL bEarlyChange = TRUE;
315 int Colors = 0, BitsPerComponent = 0, Columns = 0; 315 int Colors = 0, BitsPerComponent = 0, Columns = 0;
316 if (pParams) { 316 if (pParams) {
317 predictor = pParams->GetIntegerBy("Predictor"); 317 predictor = pParams->GetIntegerFor("Predictor");
318 bEarlyChange = pParams->GetIntegerBy("EarlyChange", 1); 318 bEarlyChange = pParams->GetIntegerFor("EarlyChange", 1);
319 Colors = pParams->GetIntegerBy("Colors", 1); 319 Colors = pParams->GetIntegerFor("Colors", 1);
320 BitsPerComponent = pParams->GetIntegerBy("BitsPerComponent", 8); 320 BitsPerComponent = pParams->GetIntegerFor("BitsPerComponent", 8);
321 Columns = pParams->GetIntegerBy("Columns", 1); 321 Columns = pParams->GetIntegerFor("Columns", 1);
322 if (!CheckFlateDecodeParams(Colors, BitsPerComponent, Columns)) { 322 if (!CheckFlateDecodeParams(Colors, BitsPerComponent, Columns)) {
323 return (uint32_t)-1; 323 return (uint32_t)-1;
324 } 324 }
325 } 325 }
326 return CPDF_ModuleMgr::Get()->GetFlateModule()->FlateOrLZWDecode( 326 return CPDF_ModuleMgr::Get()->GetFlateModule()->FlateOrLZWDecode(
327 bLZW, src_buf, src_size, bEarlyChange, predictor, Colors, 327 bLZW, src_buf, src_size, bEarlyChange, predictor, Colors,
328 BitsPerComponent, Columns, estimated_size, dest_buf, dest_size); 328 BitsPerComponent, Columns, estimated_size, dest_buf, dest_size);
329 } 329 }
330 330
331 FX_BOOL PDF_DataDecode(const uint8_t* src_buf, 331 FX_BOOL PDF_DataDecode(const uint8_t* src_buf,
332 uint32_t src_size, 332 uint32_t src_size,
333 const CPDF_Dictionary* pDict, 333 const CPDF_Dictionary* pDict,
334 uint8_t*& dest_buf, 334 uint8_t*& dest_buf,
335 uint32_t& dest_size, 335 uint32_t& dest_size,
336 CFX_ByteString& ImageEncoding, 336 CFX_ByteString& ImageEncoding,
337 CPDF_Dictionary*& pImageParms, 337 CPDF_Dictionary*& pImageParms,
338 uint32_t last_estimated_size, 338 uint32_t last_estimated_size,
339 FX_BOOL bImageAcc) { 339 FX_BOOL bImageAcc) {
340 CPDF_Object* pDecoder = pDict ? pDict->GetDirectObjectBy("Filter") : nullptr; 340 CPDF_Object* pDecoder = pDict ? pDict->GetDirectObjectFor("Filter") : nullptr;
341 if (!pDecoder || (!pDecoder->IsArray() && !pDecoder->IsName())) 341 if (!pDecoder || (!pDecoder->IsArray() && !pDecoder->IsName()))
342 return FALSE; 342 return FALSE;
343 343
344 CPDF_Object* pParams = 344 CPDF_Object* pParams =
345 pDict ? pDict->GetDirectObjectBy("DecodeParms") : nullptr; 345 pDict ? pDict->GetDirectObjectFor("DecodeParms") : nullptr;
346 346
347 std::vector<std::pair<CFX_ByteString, CPDF_Object*>> DecoderArray; 347 std::vector<std::pair<CFX_ByteString, CPDF_Object*>> DecoderArray;
348 if (CPDF_Array* pDecoders = pDecoder->AsArray()) { 348 if (CPDF_Array* pDecoders = pDecoder->AsArray()) {
349 CPDF_Array* pParamsArray = ToArray(pParams); 349 CPDF_Array* pParamsArray = ToArray(pParams);
350 for (size_t i = 0; i < pDecoders->GetCount(); i++) { 350 for (size_t i = 0; i < pDecoders->GetCount(); i++) {
351 DecoderArray.push_back( 351 DecoderArray.push_back(
352 {pDecoders->GetStringAt(i), 352 {pDecoders->GetStringAt(i),
353 pParamsArray ? pParamsArray->GetDictAt(i) : nullptr}); 353 pParamsArray ? pParamsArray->GetDictAt(i) : nullptr});
354 } 354 }
355 } else { 355 } else {
(...skipping 216 matching lines...) Expand 10 before | Expand all | Expand 10 after
572 uint32_t src_size, 572 uint32_t src_size,
573 uint8_t*& dest_buf, 573 uint8_t*& dest_buf,
574 uint32_t& dest_size) { 574 uint32_t& dest_size) {
575 CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule(); 575 CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule();
576 if (pEncoders) { 576 if (pEncoders) {
577 return pEncoders->GetFlateModule()->FlateOrLZWDecode( 577 return pEncoders->GetFlateModule()->FlateOrLZWDecode(
578 FALSE, src_buf, src_size, FALSE, 0, 0, 0, 0, 0, dest_buf, dest_size); 578 FALSE, src_buf, src_size, FALSE, 0, 0, 0, 0, 0, dest_buf, dest_size);
579 } 579 }
580 return 0; 580 return 0;
581 } 581 }
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