From e76e82634d214b788b7cbfdeaf09132bcc300aa3 Mon Sep 17 00:00:00 2001
From: IC Rainbow <aenor.realm@gmail.com>
Date: Tue, 22 Oct 2024 13:04:00 +0300
Subject: [PATCH] WIP: fix resizeImageToStrSizeSync

---
 apps/ios/SimpleXChat/ImageUtils.swift | 25 +++++++++++++++++++------
 apps/ios/SimpleXChat/SimpleX.h        |  2 +-
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/apps/ios/SimpleXChat/ImageUtils.swift b/apps/ios/SimpleXChat/ImageUtils.swift
index 9bf15992db..e0bcce2e94 100644
--- a/apps/ios/SimpleXChat/ImageUtils.swift
+++ b/apps/ios/SimpleXChat/ImageUtils.swift
@@ -103,12 +103,25 @@ public func resizeImageToDataSize(_ image: UIImage, maxDataSize: Int64, hasAlpha
 public func resizeImageToStrSizeSync(_ image: UIImage, maxDataSize: Int64) -> String? {
     // XXX: only needed when the original encoding isn't available
     let tmpFile = generateNewFileName(getTempFilesDirectory().path + "/" + "resize", "png", fullPath: true)
-    saveFile(image.pngData(), tmpFile) // encode as png and let the backend deal with alpha and formats
-    let str = chat_resize_image_to_str_size(filePath, maxDataSize)
-    removeFile(tmpFile)
-    guard let dataSize = str?.count > 0 else { return nil }
-    logger.debug("resizeImageToStrSize final \(dataSize)")
-    return str
+    // encode as png and let the backend deal with alpha and formats
+    guard let d = image.pngData() else { return nil }
+    if let _ = saveFile(d, tmpFile, encrypted: false) {
+        defer { removeFile(tmpFile) }
+        let ptr = chat_resize_image_to_str_size(tmpFile, Int32(maxDataSize))
+        if let ptr = ptr {
+            let str = fromCString(ptr)
+            let dataSize = str.count
+            if dataSize <= 0 { return nil }
+            logger.debug("resizeImageToStrSize final \(dataSize)")
+            return str
+        } else {
+            logger.error("resizeImageToStrSize failed")
+            return nil
+        }
+    } else {
+        logger.error("saveFile failed")
+        return nil
+    }
 }
 
 public func resizeImageToStrSize(_ image: UIImage, maxDataSize: Int64) async -> String? {
diff --git a/apps/ios/SimpleXChat/SimpleX.h b/apps/ios/SimpleXChat/SimpleX.h
index cb94477a33..7a492c8c4e 100644
--- a/apps/ios/SimpleXChat/SimpleX.h
+++ b/apps/ios/SimpleXChat/SimpleX.h
@@ -29,7 +29,7 @@ extern char *chat_valid_name(char *name);
 extern int chat_json_length(char *str);
 extern char *chat_encrypt_media(chat_ctrl ctl, char *key, char *frame, int len);
 extern char *chat_decrypt_media(char *key, char *frame, int len);
-extern char *chat_resize_image_to_str_size(char *path, int maxSize);
+extern char *chat_resize_image_to_str_size(const char *path, int maxSize);
 
 // chat_write_file returns null-terminated string with JSON of WriteFileResult
 extern char *chat_write_file(chat_ctrl ctl, char *path, char *data, int len);