Update to create dynamic images for use on the WaveShare ePaper

.gitignore

@@ -29,3 +29,7 @@ compressed
 
 # Composer "vendor" libraries
 vendor/
+
+# Dynamically created images
+render/image.bmp
+render/image_1.bmp

bmp/README.md

@@ -0,0 +1,4 @@
+# Test files in the bitmap format
+
+* Black and white lillys: [flower.bmp](flower.bmp)
+* Black and white lillys rotated 90 degrees: [flower2.bmp](flower2.bmp)

imagebmp.php

@@ -0,0 +1,99 @@
+<?php
+
+require_once "header.php";
+
+// Imagick::IMGTYPE_BILEVEL
+
+$weather = new Weather();
+$tasks = Task::getList();
+
+$deg = html_entity_decode("&deg;");
+$image = imagecreate(480, 800);
+$white = imagecolorallocate($image, 0, 0, 0);
+$black = imagecolorallocate($image, 255, 255, 255);
+//$red = imagecolorallocate($image, 255, 0, 0);
+$red = $black;
+$transparent = imagecolorallocatealpha($image, 255, 255, 255, 127);
+$font = __DIR__ . "/fonts/ARIALBOLD.TTF";
+$icon = imagecreatefrompng(__DIR__ . "/icons/" . substr($weather->conditions["icon"], 0, 2) . "_solid.png");
+imagefilter($icon, IMG_FILTER_NEGATE);
+$icon_x = imagesx($icon);
+$icon_y = imagesy($icon);
+imageantialias($image, true);
+
+$background = $white;
+$line_color = $black;
+$highlight_color = $red;
+
+imagefill($image, 0, 0, $white);
+
+/*
+imagesetthickness($image, 3);
+imageline($image, 0, 1, 479, 1, $line_color);
+imageline($image, 478, 0, 478, 799, $line_color);
+imageline($image, 1, 0, 1, 799, $line_color);
+imageline($image, 0, 798, 479, 798, $line_color);
+ */
+
+imagesetthickness($image, 1);
+$taskStartY = 3;
+$taskCurrentY = $taskStartY;
+$taskHeightY = 80;
+for ( $i=0; $i<8; $i++ ) {
+    if ( !isset($tasks[$i]) ) break;
+    if ( $tasks[$i]->isOverdue() ) {
+        $color = $red;
+    } else {
+        $color = $black;
+    }
+    imagerectangle($image, 3, $taskCurrentY, 476, ($taskCurrentY + $taskHeightY), $color);
+    imagettftext($image, 20, 0, 7, ($taskCurrentY + 18 + 6), $color, $font, $tasks[$i]->getTitle());
+    $daysLeftX = 420;
+    if ( $tasks[$i]->getDaysLeft() > 9 ) $daysLeftX -= 54;
+    $lines = array("", "");
+    $words = explode(" ", $tasks[$i]->getDescription());
+    $currentWord = 0;
+    $currentLine = 0;
+    while ( ($currentWord < count($words)) && ($currentLine < 2) ) {
+        $testLine = $lines[$currentLine] . $words[$currentWord] . " ";
+        $box = imagettfbbox(14, 0, $font, $testLine);
+        if ( $box[2] >= $daysLeftX ) {
+            $currentLine++;
+        } else {
+            $lines[$currentLine] = $testLine;
+            $currentWord++;
+        }
+    }
+    imagettftext($image, 14, 0, 7, ($taskCurrentY + 18 + 6 + 23), $color, $font, $lines[0]);
+    imagettftext($image, 14, 0, 7, ($taskCurrentY + 18 + 6 + 23 + 21), $color, $font, $lines[1]);
+    imagettftext($image, 70, 0, $daysLeftX, ($taskCurrentY + $taskHeightY - 5), $color, $font, $tasks[$i]->getDaysLeft());
+    $taskCurrentY += $taskHeightY + $taskStartY + 1;
+}
+//imagestring($image, 1, 20, 20, "This is some text", $line_color);
+//imagestring($image, 2, 20, 50, "This is some text", $line_color);
+//imagestring($image, 3, 20, 80, "This is some text", $line_color);
+//imagestring($image, 4, 20, 110, "This is some text", $line_color);
+//imagestring($image, 5, 20, 140, "This is some text", $line_color);
+//imagettftext($image, 20, -45, 20, 270, $line_color, $font, "This is some text");
+imagesetthickness($image, 3);
+imagerectangle($image, 250, 675, 472, 792, $line_color);
+imagecopymerge($image, $icon, 400, 680, 0, 0, $icon_x, $icon_y, 100);
+imagettftext($image, 55, 0, 260, 735, $line_color, $font, intval($weather->temps["current"]) . html_entity_decode("&deg;"));
+imagettftext($image, 18, 0, 345, 735, $line_color, $font, "/ " . intval($weather->stats["feels_like"]) . $deg);
+imagettftext($image, 15, 0, 256, 762, $line_color, $font, "High: " . intval($weather->temps["max"]) . $deg);
+imagettftext($image, 15, 0, 261, 782, $line_color, $font, "Low: " . intval($weather->temps["min"]) . $deg);
+imagettftext($image, 15, 0, 350, 762, $line_color, $font, "Humid: " . $weather->stats["humidity"] . "%");
+imagettftext($image, 15, 0, 364, 782, $line_color, $font, "Wind: " . intval($weather->stats["wind_speed"]));
+
+//imagefilter($image, IMG_FILTER_GRAYSCALE);
+imagefilter($image, IMG_FILTER_CONTRAST, -1000);
+
+//header("Content-type: image/bmp");
+//imagebmp($image);
+imagebmp($image, __DIR__ . '/render/image.bmp');
+$b = new Imagick(__DIR__ . '/render/image.bmp');
+$b->setImageType(Imagick::IMGTYPE_BILEVEL);
+$b->setFormat('bmp');
+$b->writeImage(__DIR__ . '/render/image_1.bmp');
+
+exit();

render/README.md

@@ -0,0 +1,3 @@
+# Folder for dynamically created images
+
+This folder is the destination for the pre-rendered bitmaps used to display on the ePaper.