Updated GIF example

1 files changed, 0 insertions, 169 deletions

diff --git a/examples/AnimatedGIF/FilenameFunctions.cpp b/examples/AnimatedGIF/FilenameFunctions.cpp
deleted file mode 100644
index e8a8f04..0000000
--- a/examples/AnimatedGIF/FilenameFunctions.cpp
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * Animated GIFs Display Code for SmartMatrix and 32x32 RGB LED Panels
- *
- * This file contains code to enumerate and select animated GIF files by name
- *
- * Written by: Craig A. Lindley
- * 
- * Other references: https://github.com/espressif/arduino-esp32/blob/master/libraries/WebServer/examples/FSBrowser/FSBrowser.ino
- *
- */
-
-#include "FilenameFunctions.h"
-
-File file;
-
-int numberOfFiles;
-
-bool fileSeekCallback(unsigned long position) {
-    return file.seek(position);
-}
-
-unsigned long filePositionCallback(void) {
-    return file.position();
-}
-
-int fileReadCallback(void) {
-    return file.read();
-}
-
-int fileReadBlockCallback(void * buffer, int numberOfBytes) {
-    return file.read((uint8_t*)buffer, numberOfBytes);
-}
-
-bool isAnimationFile(const char filename []) {
-    String filenameString(filename);
-
-#if defined(ESP32)
-    // ESP32 filename includes the full path, so need to remove the path before looking at the filename
-    int pathindex = filenameString.lastIndexOf("/");
-    if(pathindex >= 0)
-        filenameString.remove(0, pathindex + 1);
-#endif
-
-    DBG_OUTPUT_PORT.print(filenameString);
-
-    if ((filenameString[0] == '_') || (filenameString[0] == '~') || (filenameString[0] == '.')) {
-        DBG_OUTPUT_PORT.println(" ignoring: leading _/~/. character");
-        return false;
-    }
-
-    filenameString.toUpperCase();
-    if (filenameString.endsWith(".GIF") != 1) {
-        DBG_OUTPUT_PORT.println(" ignoring: doesn't end of .GIF");
-        return false;
-    }
-
-    DBG_OUTPUT_PORT.println();
-
-    return true;
-}
-
-// Enumerate and possibly display the animated GIF filenames in GIFS directory
-int enumerateGIFFiles(const char *directoryName, boolean displayFilenames) {
-
-    numberOfFiles = 0;
-
-    File directory = FILESYSTEM.open(directoryName);
-    if (!directory) {
-        return -1;
-    }
-
-    File file = directory.openNextFile();
-    while (file) {
-        if (isAnimationFile(file.name())) {
-            numberOfFiles++;
-            if (displayFilenames) {
-                DBG_OUTPUT_PORT.println(file.name());
-            }
-        }
-        file.close();
-        file = directory.openNextFile();
-    }
-
-    file.close();
-    directory.close();
-
-    return numberOfFiles;
-}
-
-// Get the full path/filename of the GIF file with specified index
-void getGIFFilenameByIndex(const char *directoryName, int index, char *pnBuffer) {
-
-    char* filename;
-
-    // Make sure index is in range
-    if ((index < 0) || (index >= numberOfFiles))
-        return;
-
-    File directory = FILESYSTEM.open(directoryName);
-    if (!directory)
-        return;
-
-    File file = directory.openNextFile();
-    while (file && (index >= 0)) {
-        filename = (char*)file.name();
-
-        if (isAnimationFile(file.name())) {
-            index--;
-
-#if !defined(ESP32)
-            // Copy the directory name into the pathname buffer - ESP32 SD Library includes the full path name in the filename, so no need to add the directory name
-            strcpy(pnBuffer, directoryName);
-            // Append the filename to the pathname
-            strcat(pnBuffer, filename);
-#else
-            strcpy(pnBuffer, filename);
-#endif
-        }
-
-        file.close();
-        file = directory.openNextFile();
-    }
-
-    file.close();
-    directory.close();
-}
-
-int openGifFilenameByIndex(const char *directoryName, int index) {
-    char pathname[30]; // long filename will break this... Smash the stack! i.e:
-    /*
-     * Stack smashing protect failure!
-     * 
-     * abort() was called at PC 0x400d9a90 on core 1
-     * 
-     * Backtrace: 0x40088578:0x3ffb1ec0 0x4008877b:0x3ffb1ee0 0x400d9a90:0x3ffb1f00 0x400d1d62:0x3ffb1f20 0x400d182f:0x3ffb1f80 0x400ef86e:0x3ffb1fa0
-     * 
-     * Rebooting...
-
-     */
-
-    getGIFFilenameByIndex(directoryName, index, pathname);
-    
-    DBG_OUTPUT_PORT.print("Pathname: ");
-    DBG_OUTPUT_PORT.println(pathname);
-
-    if(file)
-    {
-        file.close();
-        DBG_OUTPUT_PORT.print("Closing old file...");
-    }
-
-    // Attempt to open the file for reading
-        DBG_OUTPUT_PORT.print("Opening new file...");    
-    file = FILESYSTEM.open(pathname);
-    if (!file) {
-        DBG_OUTPUT_PORT.println("Error opening GIF file");
-        return -1;
-    }
-
-    return 0;
-}
-
-
-// Return a random animated gif path/filename from the specified directory
-void chooseRandomGIFFilename(const char *directoryName, char *pnBuffer) {
-
-    int index = random(numberOfFiles);
-    getGIFFilenameByIndex(directoryName, index, pnBuffer);
-}