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/FilePath.cpp@1:bb146d5fe9aa, 2018-10-23 (annotated)

Committer:
MikamiUitOpen
Date:
Tue Oct 23 11:51:47 2018 +0000
Revision:
1:bb146d5fe9aa
Parent:
0:f62ffd3644bf 
2

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 "FilePath.h"
MikamiUitOpen 0:f62ffd3644bf 17
MikamiUitOpen 0:f62ffd3644bf 18 namespace mbed {
MikamiUitOpen 0:f62ffd3644bf 19
MikamiUitOpen 0:f62ffd3644bf 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
MikamiUitOpen 0:f62ffd3644bf 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
MikamiUitOpen 0:f62ffd3644bf 22
MikamiUitOpen 0:f62ffd3644bf 23 const char* file_system = &file_path[1];
MikamiUitOpen 0:f62ffd3644bf 24 file_name = file_system;
MikamiUitOpen 0:f62ffd3644bf 25 int len = 0;
MikamiUitOpen 0:f62ffd3644bf 26 while (true) {
MikamiUitOpen 0:f62ffd3644bf 27 char c = *file_name;
MikamiUitOpen 0:f62ffd3644bf 28 if (c == '/') { // end of object name
MikamiUitOpen 0:f62ffd3644bf 29 file_name++; // point to one char after the '/'
MikamiUitOpen 0:f62ffd3644bf 30 break;
MikamiUitOpen 0:f62ffd3644bf 31 }
MikamiUitOpen 0:f62ffd3644bf 32 if (c == 0) { // end of object name, with no filename
MikamiUitOpen 0:f62ffd3644bf 33 break;
MikamiUitOpen 0:f62ffd3644bf 34 }
MikamiUitOpen 0:f62ffd3644bf 35 len++;
MikamiUitOpen 0:f62ffd3644bf 36 file_name++;
MikamiUitOpen 0:f62ffd3644bf 37 }
MikamiUitOpen 0:f62ffd3644bf 38
MikamiUitOpen 0:f62ffd3644bf 39 fb = FileBase::lookup(file_system, len);
MikamiUitOpen 0:f62ffd3644bf 40 }
MikamiUitOpen 0:f62ffd3644bf 41
MikamiUitOpen 0:f62ffd3644bf 42 const char* FilePath::fileName(void) {
MikamiUitOpen 0:f62ffd3644bf 43 return file_name;
MikamiUitOpen 0:f62ffd3644bf 44 }
MikamiUitOpen 0:f62ffd3644bf 45
MikamiUitOpen 0:f62ffd3644bf 46 bool FilePath::isFileSystem(void) {
MikamiUitOpen 0:f62ffd3644bf 47 if (NULL == fb)
MikamiUitOpen 0:f62ffd3644bf 48 return false;
MikamiUitOpen 0:f62ffd3644bf 49 return (fb->getPathType() == FileSystemPathType);
MikamiUitOpen 0:f62ffd3644bf 50 }
MikamiUitOpen 0:f62ffd3644bf 51
MikamiUitOpen 0:f62ffd3644bf 52 FileSystemLike* FilePath::fileSystem(void) {
MikamiUitOpen 0:f62ffd3644bf 53 if (isFileSystem()) {
MikamiUitOpen 0:f62ffd3644bf 54 return (FileSystemLike*)fb;
MikamiUitOpen 0:f62ffd3644bf 55 }
MikamiUitOpen 0:f62ffd3644bf 56 return NULL;
MikamiUitOpen 0:f62ffd3644bf 57 }
MikamiUitOpen 0:f62ffd3644bf 58
MikamiUitOpen 0:f62ffd3644bf 59 bool FilePath::isFile(void) {
MikamiUitOpen 0:f62ffd3644bf 60 if (NULL == fb)
MikamiUitOpen 0:f62ffd3644bf 61 return false;
MikamiUitOpen 0:f62ffd3644bf 62 return (fb->getPathType() == FilePathType);
MikamiUitOpen 0:f62ffd3644bf 63 }
MikamiUitOpen 0:f62ffd3644bf 64
MikamiUitOpen 0:f62ffd3644bf 65 FileLike* FilePath::file(void) {
MikamiUitOpen 0:f62ffd3644bf 66 if (isFile()) {
MikamiUitOpen 0:f62ffd3644bf 67 return (FileLike*)fb;
MikamiUitOpen 0:f62ffd3644bf 68 }
MikamiUitOpen 0:f62ffd3644bf 69 return NULL;
MikamiUitOpen 0:f62ffd3644bf 70 }
MikamiUitOpen 0:f62ffd3644bf 71
MikamiUitOpen 0:f62ffd3644bf 72 bool FilePath::exists(void) {
MikamiUitOpen 0:f62ffd3644bf 73 return fb != NULL;
MikamiUitOpen 0:f62ffd3644bf 74 }
MikamiUitOpen 0:f62ffd3644bf 75
MikamiUitOpen 0:f62ffd3644bf 76 } // namespace mbed