| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2000-2022 Inria | ||
| 3 | * All rights reserved. | ||
| 4 | * | ||
| 5 | * Redistribution and use in source and binary forms, with or without | ||
| 6 | * modification, are permitted provided that the following conditions are met: | ||
| 7 | * | ||
| 8 | * * Redistributions of source code must retain the above copyright notice, | ||
| 9 | * this list of conditions and the following disclaimer. | ||
| 10 | * * Redistributions in binary form must reproduce the above copyright notice, | ||
| 11 | * this list of conditions and the following disclaimer in the documentation | ||
| 12 | * and/or other materials provided with the distribution. | ||
| 13 | * * Neither the name of the ALICE Project-Team nor the names of its | ||
| 14 | * contributors may be used to endorse or promote products derived from this | ||
| 15 | * software without specific prior written permission. | ||
| 16 | * | ||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | ||
| 21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| 25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 27 | * POSSIBILITY OF SUCH DAMAGE. | ||
| 28 | * | ||
| 29 | * Contact: Bruno Levy | ||
| 30 | * | ||
| 31 | * https://www.inria.fr/fr/bruno-levy | ||
| 32 | * | ||
| 33 | * Inria, | ||
| 34 | * Domaine de Voluceau, | ||
| 35 | * 78150 Le Chesnay - Rocquencourt | ||
| 36 | * FRANCE | ||
| 37 | * | ||
| 38 | */ | ||
| 39 | |||
| 40 | #include <geogram/image/image_serializer_pgm.h> | ||
| 41 | #include <geogram/image/image.h> | ||
| 42 | #include <geogram/basic/logger.h> | ||
| 43 | |||
| 44 | #include <sstream> | ||
| 45 | #include <string.h> | ||
| 46 | |||
| 47 | namespace GEO { | ||
| 48 | |||
| 49 | /***************************************************************/ | ||
| 50 | |||
| 51 | ✗ | Image* ImageSerializer_pgm::serialize_read(const std::string& file_name) { | |
| 52 | ✗ | FILE* f = fopen(file_name.c_str(),"rb"); | |
| 53 | ✗ | if(f == nullptr) { | |
| 54 | ✗ | Logger::err("Image")<< file_name << ": could not open file" | |
| 55 | ✗ | << std::endl; | |
| 56 | ✗ | return nullptr; | |
| 57 | } | ||
| 58 | |||
| 59 | char magic[255]; | ||
| 60 | int width, height, maxval; | ||
| 61 | ✗ | if( | |
| 62 | ✗ | (fscanf(f, "%s", magic) != 1) || | |
| 63 | ✗ | (strcmp(magic,"P5") != 0) || | |
| 64 | ✗ | (fscanf(f, "%d", &width) != 1) || | |
| 65 | ✗ | (fscanf(f, "%d", &height) != 1) || | |
| 66 | ✗ | (fscanf(f, "%d", &maxval) != 1) | |
| 67 | |||
| 68 | ) { | ||
| 69 | ✗ | Logger::err("PGM") << "Invalid header" << std::endl; | |
| 70 | ✗ | return nullptr; | |
| 71 | } | ||
| 72 | |||
| 73 | ✗ | Image* result = nullptr; | |
| 74 | ✗ | if(maxval == 255) { | |
| 75 | ✗ | result = new Image(Image::GRAY, Image::BYTE, index_t(width), index_t(height)); | |
| 76 | ✗ | } else if(maxval == 65535) { | |
| 77 | ✗ | result = new Image(Image::GRAY, Image::INT16, index_t(width), index_t(height)); | |
| 78 | } else { | ||
| 79 | ✗ | Logger::err("PGM") << maxval << " unsupported maxval" | |
| 80 | ✗ | << std::endl; | |
| 81 | ✗ | return nullptr; | |
| 82 | } | ||
| 83 | ✗ | size_t nbread = fread(result->base_mem(), 1, result->bytes(), f); | |
| 84 | ✗ | if(nbread != result->bytes()) { | |
| 85 | ✗ | Logger::warn("PGM") << "file is truncated" | |
| 86 | ✗ | << std::endl; | |
| 87 | } | ||
| 88 | ✗ | fclose(f); | |
| 89 | ✗ | return result; | |
| 90 | } | ||
| 91 | |||
| 92 | ✗ | bool ImageSerializer_pgm::binary() const { | |
| 93 | ✗ | return true; | |
| 94 | } | ||
| 95 | |||
| 96 | |||
| 97 | 249 | bool ImageSerializer_pgm::read_supported() const { | |
| 98 | 249 | return true ; | |
| 99 | } | ||
| 100 | |||
| 101 | /**************************************************************/ | ||
| 102 | |||
| 103 | } | ||
| 104 |