initial setup on pi sept 2020

api/LEDcommunication.php

@@ -0,0 +1,70 @@
+<?php
+header('Content-Type: application/json');
+
+require_once('../lib/config.php');
+
+function LEDcommunication($Mode)
+{
+
+    global $config;
+
+    exec("killall -9 python3 > logKill.txt 2>&1 &");
+
+    $dir="/var/www/html/api";
+    chdir($dir);
+    $cmd = "python3 PhotoBoothLEDsV2.py -$Mode > log.txt 2>&1 &";
+
+    exec($cmd, $output, $returnValue);
+
+    if ($returnValue) {
+        die(json_encode([
+                'error' => 'Execution not possible',
+                'cmd' => $cmd,
+                'returnValue' => $returnValue,
+                'output' => $output,
+            ]));
+        }
+
+}
+
+//übergabe json an frontend error handling
+// no mode provided from frontend, error return
+if (!isset($_POST['mode'])) {
+    die(json_encode([
+        'error' => 'No mode provided'
+    ]));
+ } 
+// choos which mode was provided and forward it to executeable function
+if ($_POST['mode'] === 'home'){
+     LEDcommunication('home');
+    die(json_encode([
+        'success' => 'home'
+    ]));
+} elseif ($_POST['mode'] === 'flashing'){
+     LEDcommunication('flashing');
+    die(json_encode([
+        'success' => 'flashing'
+    ]));
+} elseif ($_POST['mode'] === 'gallery'){
+     LEDcommunication('gallery');
+    die(json_encode([
+        'success' => 'gallery'
+    ]));
+} elseif ($_POST['mode'] === 'loading'){
+     LEDcommunication('loading');
+    die(json_encode([
+        'success' => 'loading'
+    ]));
+} elseif ($_POST['mode'] === 'picture'){
+     LEDcommunication('picture');
+    die(json_encode([
+        'success' => 'picture'
+    ]));
+}
+
+
+// send imagename to frontend
+echo json_encode([
+    'success' => 'mode'
+]);
+

api/PhotoBoothLEDsV2.py

@@ -0,0 +1,215 @@
+
+### import libraries
+import argparse
+import time
+import random
+import board
+import adafruit_ws2801
+
+### Example for a Feather M4 driving 25 12mm leds
+odata = board.MOSI_1 #MOSI
+oclock = board.SCLK_1 #SCLK
+numleds = 41 #Number LEDs
+bright = 1.0
+leds = adafruit_ws2801.WS2801(oclock, odata, numleds, brightness=bright, auto_write=False)
+n_leds = len(leds)
+
+######################### HELPERS ################################
+
+# a random color 0 -> 224
+def random_color():
+    rand = [random.randrange(0, 7) * 36, random.randrange(0, 7) * 36, random.randrange(0, 7) * 36]
+    return rand
+
+def wheel(pos):
+    # Input a value 0 to 255 to get a color value.
+    # The colours are a transition r - g - b - back to r.
+    if pos < 0 or pos > 255:
+        return 0, 0, 0
+    if pos < 85:
+        return int(255 - pos * 3), int(pos * 3), 0
+    if pos < 170:
+        pos -= 85
+        return 0, int(255 - pos * 3), int(pos * 3)
+    pos -= 170
+    return int(pos * 3), 0, int(255 - (pos * 3))
+
+######################### Modes ##################################
+def random_mode(frequency,repeats):
+    for idy in range(repeats):
+        # fill each led with a random color
+        for idx in range(n_leds):
+            leds[idx] = random_color()
+
+        # show all leds in led string
+        leds.show()
+        time.sleep(frequency)
+
+def loading_mode1(color,frequency, repeats): #only vertical lines were moving up and down
+    # initialize, all LEDs off
+    leds.fill(0)
+    leds.show()
+    time.sleep(0.05)
+    move=range(8)
+
+    for idy in range(repeats):
+        for idx in move: #move up
+            ledright=12+idx
+            leds[ledright] = color
+            leds[ledright+1] = color
+            leds[ledright-1] = 0
+            leds[ledright-2] = 0
+
+            ledleft=40-idx
+            leds[ledleft] = color
+            leds[ledleft-1] = color
+            if idx>0:
+                leds[ledleft+1] = 0
+            if idx>1:
+                leds[ledleft+2] = 0
+
+            leds.show()
+            time.sleep(frequency)
+
+        for idx in move: #move down
+            ledright=20-idx
+            leds[ledright] = color
+            leds[ledright-1] = color
+            leds[ledright+1] = 0
+            leds[ledright+2] = 0
+
+            ledleft=32+idx
+            leds[ledleft] = color
+            leds[ledleft+1] = color
+            leds[ledleft-1] = 0
+            leds[ledleft-2] = 0
+
+            leds.show()
+            time.sleep(frequency)
+
+def loading_mode2(color,frequency,repeats): # loading circle
+    leds.fill(0)
+    leds.show()
+    time.sleep(0.05)
+    for idy in range(repeats):
+        for idx in range(n_leds):
+            leds[idx] = color
+            leds.show()
+            time.sleep(frequency)
+        for idx in range(n_leds):
+            leds[idx] = 0
+            leds.show()
+            time.sleep(frequency)
+
+def flash_mode(frequency, flashes,color):
+    for i in range(flashes):
+        leds.fill(color)
+        leds.show()
+        time.sleep(frequency)
+        leds.fill(0)
+        leds.show()
+        time.sleep(frequency)
+    leds.fill(color)
+    leds.show()
+    time.sleep(1000)
+
+def rainbow_mode(frequency):
+    for i in range(256):
+        i = (i + 1) % 256  # run from 0 to 255
+        leds.fill(wheel(i))
+        leds.show()
+        time.sleep(frequency)
+
+def rainbowCycle_mode(frequency,repeats=1):
+    for idy in range(repeats):
+        for j in range(256): # one cycle of all 256 colors in the wheel
+            for i in range(numleds):
+                leds[i] =wheel(((i * 256 // numleds) + j) % 256) 
+            leds.show()
+            time.sleep(frequency)
+
+def brightness_change( frequency, color, step):
+    if step > 0:
+        dr=color[0]/step
+        dg=color[1]/step
+        db=color[2]/step
+    # else
+        #error out
+    r = 0
+    g = 0
+    b = 0
+    for i in range(step):
+        time.sleep(frequency)
+        r = int(i*dr)
+        g = int(i*dg)
+        b = int(i*db)
+        leds.fill([r,g,b])
+        leds.show()
+    r0 =color[0]
+    g0 =color[1]
+    b0 =color[2]
+    leds.fill(color)
+    for i in range(step+1):
+        r = int(r0-i*dr)
+        g = int(g0-i*dg)
+        b = int(b0-i*db)
+        leds.fill([r,g,b])
+        leds.show()
+        time.sleep(frequency)
+
+
+
+######################### MAIN LOOP ##############################
+ # Main program logic follows:
+if __name__ == '__main__':
+    # Process arguments
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-c', '--clear', action='store_true', help='clear the display on exit')
+    parser.add_argument('-home', action='store_true', help='home mode activated for led stripe')
+    parser.add_argument('-loading', action='store_true', help='home mode activated for led stripe')
+    parser.add_argument('-flashing', action='store_true', help='home mode activated for led stripe')
+    parser.add_argument('-gallery', action='store_true', help='home mode activated for led stripe')
+    parser.add_argument('-picture', action='store_true', help='home mode activated for led stripe')
+
+    args = parser.parse_args()
+
+    print ('Press Ctrl-C to quit.')
+    if not args.clear:
+        print('Use "-c" argument to clear LEDs on exit')
+
+    try:
+        while True:
+
+
+            if args.home:
+                #Rainbow Mode
+                rainbow_mode(0.05)
+                #Rainbow Cycle
+                rainbowCycle_mode(0.02,5)
+
+
+            if args.gallery:
+                #Brightnes change
+                brightness_change(0.1,random_color(),50)
+
+            if args.loading:
+                #loading mode 2
+                loading_mode2(random_color(),0.05,1)
+
+            if args.flashing:
+                #Flash mode
+                flash_mode(0.5,5,random_color())
+
+            if args.picture:
+                brightness_change(0.1,[255,255,255],10)
+
+            #loading mode 1
+            #loading_mode1(random_color(),0.1,2)
+            # Random Mode
+            #random_mode(0.25,5)
+
+
+    except KeyboardInterrupt:
+            if args.clear:
+                leds.fill(0)       
+

api/applyEffects.php

@@ -29,7 +29,7 @@
         $collageSrcImagePaths[] = $collageBasename . '-' . $i . '.jpg';
     }
 
-    if (!createCollage($collageSrcImagePaths, $filename_tmp, $config['take_frame'], $config['take_frame_path'])) {
+    if (!createCollage($collageSrcImagePaths, $filename_tmp, $config['take_frame'], $config['collage_Frame_2x2'], $config['collage_layout'], $config['collage_background'])) {
         die(json_encode([
             'error' => 'Could not create collage'
         ]));
@@ -94,6 +94,11 @@
     $chromaCopyResource = resizeImage($imageResource, 1500, 1000);
     imagejpeg($chromaCopyResource, $filename_keying, $config['jpeg_quality_chroma']);
     imagedestroy($chromaCopyResource);
+    // AZ insert chroma keying effect apply here 
+
+    // echo "<script type="text/javascript" src="resources/js/chromakeying.js">setBackgroundImage(<InsertBackground>)</script>"
+    //'<img src="'$filename_keying'" class="backgroundPreview" onclick="setBackgroundImage(<InsertBackground>)">';
+
 }
 
 // image scale, create thumbnail

api/log.txt

@@ -0,0 +1,2 @@
+Der Befehl "python3" ist entweder falsch geschrieben oder
+konnte nicht gefunden werden.

api/logKill.txt

@@ -0,0 +1,2 @@
+Der Befehl "killall" ist entweder falsch geschrieben oder
+konnte nicht gefunden werden.

api/print.php

@@ -132,6 +132,8 @@
     )
 );
 
+// writeToDB($filename); // AZ Database
+
 die(json_encode([
     'status' => 'ok',
     'msg' => $printimage || '',
@@ -194,3 +196,18 @@ function ResizeCropImage($max_width, $max_height, $source_file, $dst_dir, $quali
         imagedestroy($src_img);
     }
 }
+/*
+function writeToDB($filename){ // AZ Database
+   # POST TO DB
+   $postRequest = array(
+       'api_key' => 'PostPhotoData',
+       'sensor' => 'print',
+       'printName' => $filename
+   );
+   $cURLConnection = curl_init('http://photokaestchen/api/post-esp-data.php'); // AZ To be changed
+   curl_setopt($cURLConnection, CURLOPT_POSTFIELDS, $postRequest);
+   curl_setopt($cURLConnection, CURLOPT_RETURNTRANSFER, true);
+   $apiResponse = curl_exec($cURLConnection);
+   curl_close($cURLConnection);
+} */
+

api/takePic.php

@@ -91,7 +91,11 @@ function takePicture($filename)
     $filename = $basename . '-' . $number . '.jpg';
 
     takePicture($filename);
-
+   /* 
+    if ($number == 3) { // AZ Database
+       writeToDB($file);
+    }*/
+
     die(json_encode([
         'success' => 'collage',
         'file' => $file,
@@ -103,9 +107,27 @@ function takePicture($filename)
         'error' => 'Invalid photo style provided',
     ]));
 }
-
+ //writeToDB($file);
+
 // send imagename to frontend
 echo json_encode([
     'success' => 'image',
     'file' => $file,
 ]);
+
+/*
+function writeToDB($file) // AZ Database
+{
+   # POST TO DB
+   $postRequest = array(
+       'api_key' => 'PostPhotoData',
+       'sensor' => 'photo',
+       'photoName' => $file
+   );
+   $cURLConnection = curl_init('http://photokaestchen/api/post-esp-data.php');
+   curl_setopt($cURLConnection, CURLOPT_POSTFIELDS, $postRequest);
+   curl_setopt($cURLConnection, CURLOPT_RETURNTRANSFER, true);
+   $apiResponse = curl_exec($cURLConnection);
+   curl_close($cURLConnection);
+}*/
+