Delete screenshot metadata

Dotnet/AppApi/Common/Screenshot.cs

@@ -125,4 +125,41 @@ public partial class AppApi
 
         return lastScreenshot;
     }
+    
+    public bool DeleteScreenshotMetadata(string path)
+    {
+        if (string.IsNullOrEmpty(path) || !File.Exists(path) || !path.EndsWith(".png"))
+            return false;
+
+        try
+        {
+            ScreenshotHelper.DeleteTextMetadata(path, true);
+            return true;
+        }
+        catch (Exception ex)
+        {
+            logger.Error(ex, "Failed to delete screenshot metadata for {0}", path);
+            return false;
+        }
+    }
+    
+    public void DeleteAllScreenshotMetadata()
+    {
+        var path = GetVRChatPhotosLocation();
+        if (!Directory.Exists(path))
+            return;
+        
+        var imageFiles = Directory.GetFiles(path, "*.png", SearchOption.AllDirectories);
+        foreach (var file in imageFiles)
+        {
+            try
+            {
+                ScreenshotHelper.DeleteTextMetadata(file, true);
+            }
+            catch (Exception ex)
+            {
+                logger.Error(ex, "Failed to delete screenshot metadata for {0}", file);
+            }
+        }
+    }
 }

Dotnet/ScreenshotMetadata/PNGFile.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -43,7 +43,7 @@ public class PNGFile : IDisposable
         ReadAndCacheMetadata();
         
         var chunk = metadataChunkCache.FirstOrDefault((chunk) => chunkTypeFilter.HasFlag(chunk.ChunkTypeEnum));
-        if (chunk.IsZero())
+        if (chunk == null || chunk.IsZero())
             return null;
 
         return chunk;
@@ -60,7 +60,7 @@ public class PNGFile : IDisposable
     public PNGChunk? GetChunkReverse(PNGChunkTypeFilter chunkTypeFilter)
     {
         var chunk = ReadChunkReverse(chunkTypeFilter);
-        if (chunk != null && chunk.IsZero())
+        if (chunk == null || chunk.IsZero())
             return null;
 
         return chunk;

Dotnet/ScreenshotMetadata/PNGHelper.cs

@@ -36,7 +36,7 @@ namespace VRCX
         /// If true, the function searches from the end of the file using a reverse search bruteforce method.
         /// </param>
         /// <returns>The text associated with the specified keyword, or null if not found.</returns>
-        public static string ReadTextChunk(string keyword, PNGFile pngFile, bool legacySearch = false)
+        public static string? ReadTextChunk(string keyword, PNGFile pngFile, bool legacySearch = false)
         {
             // Search for legacy text chunks created by old vrchat mods
             if (legacySearch)

src/localization/en/en.json

@@ -582,6 +582,13 @@
                         "header": "Save Instance Emoji To File",
                         "description": "Save spawned emoji to your VRChat Pictures folder"
                     },
+                    "delete_all_screenshot_metadata": {
+                        "button": "Delete Screenshot Metadata",
+                        "ask": "Are you sure you want to delete all VRC & VRCX screenshot metadata from your VRChat Pictures folder?",
+                        "confirm": "Deleting all screenshot metadata is a very destructive action and cannot be undone! This includes all prints, sub folders and other unrelated images in your VRChat Pictures folder, if these photos are precious to you, please make a backup before proceeding.",
+                        "confirm_yes": "Yes",
+                        "confirm_no": "No"
+                    },
                     "remote_database": {
                         "header": "Remote Avatar Database",
                         "enable": "Enable",
@@ -1533,6 +1540,7 @@
             "last_screenshot": "Last Screenshot",
             "copy_image": "Copy Image",
             "open_folder": "Open Folder",
+            "delete_metadata": "Delete Metadata",
             "upload": "Upload"
         },
         "registry_backup": {
@@ -1692,6 +1700,10 @@
         },
         "friend": {
             "load_failed": "Failed to load friends list, logging out"
+        },
+        "screenshot_metadata": {
+            "deleted": "Screenshot metadata deleted",
+            "delete_failed": "Failed to delete screenshot metadata"
         }
     },
     "prompt": {

src/stores/settings/advanced.js

@@ -512,6 +512,71 @@ export const useAdvancedSettingsStore = defineStore('AdvancedSettings', () => {
         );
     }
 
+    function askDeleteAllScreenshotMetadata() {
+        $app.$confirm(
+            t(
+                'view.settings.advanced.advanced.delete_all_screenshot_metadata.ask'
+            ),
+            {
+                confirmButtonText: t(
+                    'view.settings.advanced.advanced.delete_all_screenshot_metadata.confirm_yes'
+                ),
+                cancelButtonText: t(
+                    'view.settings.advanced.advanced.delete_all_screenshot_metadata.confirm_no'
+                ),
+                type: 'warning',
+                showInput: false,
+                callback: async (action) => {
+                    if (action === 'confirm') {
+                        deleteAllScreenshotMetadata();
+                    }
+                }
+            }
+        );
+    }
+
+    function deleteAllScreenshotMetadata() {
+        $app.$confirm(
+            t(
+                'view.settings.advanced.advanced.delete_all_screenshot_metadata.confirm'
+            ),
+            {
+                confirmButtonText: t(
+                    'view.settings.advanced.advanced.save_instance_prints_to_file.crop_convert_old_confirm'
+                ),
+                cancelButtonText: t(
+                    'view.settings.advanced.advanced.save_instance_prints_to_file.crop_convert_old_cancel'
+                ),
+                type: 'warning',
+                showInput: false,
+                callback: async (action) => {
+                    if (action === 'confirm') {
+                        const msgBox = $app.$message({
+                            message: 'Batch metadata removal in progress...',
+                            type: 'warning',
+                            duration: 0
+                        });
+                        try {
+                            await AppApi.DeleteAllScreenshotMetadata();
+                            $app.$message({
+                                message: 'Batch metadata removal complete',
+                                type: 'success'
+                            });
+                        } catch (err) {
+                            console.error(err);
+                            $app.$message({
+                                message: `Batch metadata removal failed: ${err}`,
+                                type: 'error'
+                            });
+                        } finally {
+                            msgBox.close();
+                        }
+                    }
+                }
+            }
+        );
+    }
+
     function resetUGCFolder() {
         setUGCFolderPath('');
     }
@@ -647,6 +712,7 @@ export const useAdvancedSettingsStore = defineStore('AdvancedSettings', () => {
         showVRChatConfig,
         promptAutoClearVRCXCacheFrequency,
         setSaveInstanceEmoji,
-        setVrcRegistryAutoBackup
+        setVrcRegistryAutoBackup,
+        askDeleteAllScreenshotMetadata
     };
 });

src/types/globals.d.ts

@@ -290,6 +290,8 @@ declare global {
             searchType?: number
         ): Promise<string>;
         GetLastScreenshot(): Promise<string>;
+        DeleteScreenshotMetadata(path: string): Promise<boolean>;
+        DeleteAllScreenshotMetadata(): Promise<void>;
 
         // Moderations
         GetVRChatModerations(

src/views/Settings/Settings.vue

@@ -1285,6 +1285,9 @@
                         :value="screenshotHelperCopyToClipboard"
                         @change="setScreenshotHelperCopyToClipboard()"
                         :long-label="true" />
+                    <el-button size="small" icon="el-icon-delete" @click="askDeleteAllScreenshotMetadata()">{{
+                        t('view.settings.advanced.advanced.delete_all_screenshot_metadata.button')
+                    }}</el-button>
                 </div>
 
                 <div class="options-container">
@@ -2113,7 +2116,8 @@
         openUGCFolderSelector,
         showVRChatConfig,
         promptAutoClearVRCXCacheFrequency,
-        setSaveInstanceEmoji
+        setSaveInstanceEmoji,
+        askDeleteAllScreenshotMetadata
     } = advancedSettingsStore;
 
     const instanceTypes = ref([

src/views/Settings/dialogs/ScreenshotMetadataDialog.vue

@@ -42,6 +42,13 @@
                 @click="uploadScreenshotToGallery"
                 >{{ t('dialog.screenshot_metadata.upload') }}</el-button
             >
+            <el-button
+                v-if="screenshotMetadataDialog.metadata.filePath"
+                size="small"
+                icon="el-icon-delete"
+                @click="deleteMetadata(screenshotMetadataDialog.metadata.filePath)"
+                >{{ t('dialog.screenshot_metadata.delete_metadata') }}</el-button
+            >
             <br />
             <br />
 
@@ -279,6 +286,26 @@
             });
         });
     }
+    function deleteMetadata(path) {
+        if (!path) {
+            return;
+        }
+        AppApi.DeleteScreenshotMetadata(path).then((result) => {
+            if (!result) {
+                $message({
+                    message: t('message.screenshot_metadata.delete_failed'),
+                    type: 'error'
+                });
+                return;
+            }
+            $message({
+                message: t('message.screenshot_metadata.deleted'),
+                type: 'success'
+            });
+            const D = props.screenshotMetadataDialog;
+            getAndDisplayScreenshot(D.metadata.filePath, true);
+        });
+    }
     function uploadScreenshotToGallery() {
         const D = props.screenshotMetadataDialog;
         if (D.metadata.fileSizeBytes > 10000000) {