From ea342ab3c1565e36395b3ea96969e8d1371f062c Mon Sep 17 00:00:00 2001
From: uvok
Date: Sat, 9 May 2026 11:15:09 +0200
Subject: Display default image on start

it's a fucking pain in the head otherwise.
---
 src/display.cpp | 72 +++++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 49 insertions(+), 23 deletions(-)

(limited to 'src')

diff --git a/src/display.cpp b/src/display.cpp
index 68f97b0..76939ce 100644
--- a/src/display.cpp
+++ b/src/display.cpp
@@ -11,6 +11,11 @@
 #include "badge/config.h"
 #include "badge/util.h"
 
+#include <algorithm>
+#include <array>
+#include <iterator>
+#include <string_view>
+
 #if UVOK_EPAP_DISPLAY == DISPLAY_WAVESHARE_219_YBW
 // HINT: Update the library code, set budy timeout to 30 or 60 seconds!
 // Small color
@@ -52,6 +57,35 @@ static std::string displayed_text;
 static bool is_initial = true;
 static constexpr uint8_t rotation = 1;
 
+#define IMAGE_DATA(name, text)                                                                                         \
+    (ImageInfo)                                                                                                        \
+    {                                                                                                                  \
+        name##_bits, name##_width, name##_height, text                                                                 \
+    }
+
+struct ImageInfo
+{
+    // I always thought making the struct const makes all members const, yet I still get warnings...
+    const char *bits;
+    const int width;
+    const int height;
+    const char *text;
+};
+
+constexpr std::array imgs{
+#include "./images.cfg"
+
+};
+
+const int de::uvok::badge::image_count = imgs.size();
+
+typedef enum
+{
+    DISPLAY_PREVIEW,
+    DISPLAY_FULL,
+    DISPLAY_QRCODE
+} display_mode_t;
+
 void de::uvok::badge::display_init()
 {
     LOG_F("Init display...\n");
@@ -71,30 +105,22 @@ void de::uvok::badge::display_init()
     qrc.setScale(2);
     qrc.getGenerator().setErrorCorrectionLevel(QRCodeECCLevel::Medium);
 
+    const auto uvok_pos = std::find_if(
+        //
+        imgs.begin(),
+        //
+        imgs.end(),
+        //
+        [](const ImageInfo &info) {
+            std::string_view s(info.text);
+            return s.find("uvok") != std::string::npos;
+        });
+    if (uvok_pos < imgs.end())
+    {
+        display_direct(uvok_pos - imgs.begin());
+    }
 }
 
-#define IMAGE_DATA(name, text) {name##_bits, name##_width, name##_height, text}
-
-const struct
-{
-    // I always thought making the struct const makes all membery const, yet I still get warnings...
-    const char *bits;
-    const int width;
-    const int height;
-    const char *text;
-} imgs[] = {
-#include "./images.cfg"
-};
-
-const int de::uvok::badge::image_count = (ARRAY_LENGTH(imgs));
-
-typedef enum
-{
-    DISPLAY_PREVIEW,
-    DISPLAY_FULL,
-    DISPLAY_QRCODE
-} display_mode_t;
-
 static void displayQRCode()
 {
     do
@@ -189,7 +215,7 @@ void de::uvok::badge::display_direct(uint8_t num)
     displayDo(DISPLAY_FULL);
 }
 
-void de::uvok::badge::display_text(const std::string& text)
+void de::uvok::badge::display_text(const std::string &text)
 {
     displayed_text = text;
     displayDo(DISPLAY_QRCODE);
-- 
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