不韋 呂 / F746_SD_BitmapViewer

microSD カードのビットマップ･ファイルのビュアー．画像の最大値　縦：272ピクセル，横：480ピクセル． Bitmap file viewer for microSD card. Maximum size Vertical: 272 pixels, Horizontal: 480.

Dependencies:   SDFileSystem_Warning_Fixed F746_GUI

mbed_src_STM32F7/common/FileBase.cpp@0:f62ffd3644bf, 2018-10-21 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 21 11:29:47 2018 +0000
Revision:
0:f62ffd3644bf
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:f62ffd3644bf 1 /* mbed Microcontroller Library
MikamiUitOpen 0:f62ffd3644bf 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:f62ffd3644bf 3 *
MikamiUitOpen 0:f62ffd3644bf 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:f62ffd3644bf 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:f62ffd3644bf 6 * You may obtain a copy of the License at
MikamiUitOpen 0:f62ffd3644bf 7 *
MikamiUitOpen 0:f62ffd3644bf 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:f62ffd3644bf 9 *
MikamiUitOpen 0:f62ffd3644bf 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:f62ffd3644bf 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:f62ffd3644bf 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:f62ffd3644bf 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:f62ffd3644bf 14 * limitations under the License.
MikamiUitOpen 0:f62ffd3644bf 15 */
MikamiUitOpen 0:f62ffd3644bf 16 #include "FileBase.h"
MikamiUitOpen 0:f62ffd3644bf 17
MikamiUitOpen 0:f62ffd3644bf 18 namespace mbed {
MikamiUitOpen 0:f62ffd3644bf 19
MikamiUitOpen 0:f62ffd3644bf 20 FileBase *FileBase::_head = NULL;
MikamiUitOpen 0:f62ffd3644bf 21
MikamiUitOpen 0:f62ffd3644bf 22 FileBase::FileBase(const char *name, PathType t) : _next(NULL),
MikamiUitOpen 0:f62ffd3644bf 23 _name(name),
MikamiUitOpen 0:f62ffd3644bf 24 _path_type(t) {
MikamiUitOpen 0:f62ffd3644bf 25 if (name != NULL) {
MikamiUitOpen 0:f62ffd3644bf 26 // put this object at head of the list
MikamiUitOpen 0:f62ffd3644bf 27 _next = _head;
MikamiUitOpen 0:f62ffd3644bf 28 _head = this;
MikamiUitOpen 0:f62ffd3644bf 29 } else {
MikamiUitOpen 0:f62ffd3644bf 30 _next = NULL;
MikamiUitOpen 0:f62ffd3644bf 31 }
MikamiUitOpen 0:f62ffd3644bf 32 }
MikamiUitOpen 0:f62ffd3644bf 33
MikamiUitOpen 0:f62ffd3644bf 34 FileBase::~FileBase() {
MikamiUitOpen 0:f62ffd3644bf 35 if (_name != NULL) {
MikamiUitOpen 0:f62ffd3644bf 36 // remove this object from the list
MikamiUitOpen 0:f62ffd3644bf 37 if (_head == this) { // first in the list, so just drop me
MikamiUitOpen 0:f62ffd3644bf 38 _head = _next;
MikamiUitOpen 0:f62ffd3644bf 39 } else { // find the object before me, then drop me
MikamiUitOpen 0:f62ffd3644bf 40 FileBase *p = _head;
MikamiUitOpen 0:f62ffd3644bf 41 while (p->_next != this) {
MikamiUitOpen 0:f62ffd3644bf 42 p = p->_next;
MikamiUitOpen 0:f62ffd3644bf 43 }
MikamiUitOpen 0:f62ffd3644bf 44 p->_next = _next;
MikamiUitOpen 0:f62ffd3644bf 45 }
MikamiUitOpen 0:f62ffd3644bf 46 }
MikamiUitOpen 0:f62ffd3644bf 47 }
MikamiUitOpen 0:f62ffd3644bf 48
MikamiUitOpen 0:f62ffd3644bf 49 FileBase *FileBase::lookup(const char *name, unsigned int len) {
MikamiUitOpen 0:f62ffd3644bf 50 FileBase *p = _head;
MikamiUitOpen 0:f62ffd3644bf 51 while (p != NULL) {
MikamiUitOpen 0:f62ffd3644bf 52 /* Check that p->_name matches name and is the correct length */
MikamiUitOpen 0:f62ffd3644bf 53 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
MikamiUitOpen 0:f62ffd3644bf 54 return p;
MikamiUitOpen 0:f62ffd3644bf 55 }
MikamiUitOpen 0:f62ffd3644bf 56 p = p->_next;
MikamiUitOpen 0:f62ffd3644bf 57 }
MikamiUitOpen 0:f62ffd3644bf 58 return NULL;
MikamiUitOpen 0:f62ffd3644bf 59 }
MikamiUitOpen 0:f62ffd3644bf 60
MikamiUitOpen 0:f62ffd3644bf 61 FileBase *FileBase::get(int n) {
MikamiUitOpen 0:f62ffd3644bf 62 FileBase *p = _head;
MikamiUitOpen 0:f62ffd3644bf 63 int m = 0;
MikamiUitOpen 0:f62ffd3644bf 64 while (p != NULL) {
MikamiUitOpen 0:f62ffd3644bf 65 if (m == n) return p;
MikamiUitOpen 0:f62ffd3644bf 66
MikamiUitOpen 0:f62ffd3644bf 67 m++;
MikamiUitOpen 0:f62ffd3644bf 68 p = p->_next;
MikamiUitOpen 0:f62ffd3644bf 69 }
MikamiUitOpen 0:f62ffd3644bf 70 return NULL;
MikamiUitOpen 0:f62ffd3644bf 71 }
MikamiUitOpen 0:f62ffd3644bf 72
MikamiUitOpen 0:f62ffd3644bf 73 const char* FileBase::getName(void) {
MikamiUitOpen 0:f62ffd3644bf 74 return _name;
MikamiUitOpen 0:f62ffd3644bf 75 }
MikamiUitOpen 0:f62ffd3644bf 76
MikamiUitOpen 0:f62ffd3644bf 77 PathType FileBase::getPathType(void) {
MikamiUitOpen 0:f62ffd3644bf 78 return _path_type;
MikamiUitOpen 0:f62ffd3644bf 79 }
MikamiUitOpen 0:f62ffd3644bf 80
MikamiUitOpen 0:f62ffd3644bf 81 } // namespace mbed
MikamiUitOpen 0:f62ffd3644bf 82