| 411 | } |
| 412 | |
| 413 | bool PNGImage::CleanMemoryUsage() |
| 414 | { |
| 415 | if(mRead == true && mWrite == true) |
| 416 | return false; |
| 417 | |
| 418 | if(mRead == true) |
| 419 | { |
| 420 | if(mPng != NULL && mInfo != NULL) |
| 421 | { |
| 422 | png_destroy_read_struct(&mPng, &mInfo, NULL); |
| 423 | mPng = NULL; |
| 424 | mInfo = NULL; |
| 425 | } |
| 426 | else |
| 427 | { |
| 428 | if(mPng != NULL) |
| 429 | { |
| 430 | png_destroy_read_struct(&mPng, NULL, NULL); |
| 431 | mPng = NULL; |
| 432 | } |
| 433 | else if(mInfo != NULL) |
| 434 | { |
| 435 | png_read_info(mPng, mInfo); |
| 436 | mInfo = NULL; |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | for (unsigned int y = 0; y < mHeight; y++) |
| 441 | dFree(mRowPointers[y]); |
| 442 | |
| 443 | dFree(mRowPointers); |
| 444 | mRowPointers= NULL; |
| 445 | } |
| 446 | else if(mWrite == true) |
| 447 | { |
| 448 | if(mPng != NULL && mInfo != NULL) |
| 449 | { |
| 450 | png_destroy_write_struct(&mPng, &mInfo); |
| 451 | mPng = NULL; |
| 452 | mInfo = NULL; |
| 453 | } |
| 454 | else |
| 455 | { |
| 456 | if(mPng != NULL) |
| 457 | { |
| 458 | png_destroy_write_struct(&mPng, NULL); |
| 459 | mPng = NULL; |
| 460 | } |
| 461 | |
| 462 | if(mInfo != NULL) |
| 463 | { |
| 464 | png_read_info(mPng, mInfo); |
| 465 | mInfo = NULL; |
| 466 | } |
| 467 | } |
| 468 | for (unsigned int y = 0; y < mHeight; y++) |
| 469 | dFree(mRowPointers[y]); |
| 470 |
no test coverage detected