From 5d20eeecbaba7102e257dae06c8cfc43f2ebce4d Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Mon, 4 Nov 2024 15:43:52 +0300
Subject: fixes #4764 (Telegram: animated sitckers in TGA format are converted
 into PNG on the fly)

---
 protocols/Telegram/src/utils.cpp | 38 +++++++++++++++-----------------------
 1 file changed, 15 insertions(+), 23 deletions(-)

(limited to 'protocols/Telegram/src/utils.cpp')

diff --git a/protocols/Telegram/src/utils.cpp b/protocols/Telegram/src/utils.cpp
index 65d9292d68..768c7972f3 100644
--- a/protocols/Telegram/src/utils.cpp
+++ b/protocols/Telegram/src/utils.cpp
@@ -508,7 +508,7 @@ CMStringA CTelegramProto::GetMessagePreview(const TD::file *pFile)
 	return T2Utf(pRequest->m_destPath + L"\\" + pRequest->m_fileName).get();
 }
 
-CMStringA CTelegramProto::GetMessageSticker(const TD::file *pFile, const char *pwszExtension)
+CMStringA CTelegramProto::GetMessageSticker(const TD::file *pFile, const TD::ThumbnailFormat *pFormat)
 {
 	auto *pFileId = pFile->remote_->unique_id_.c_str();
 
@@ -517,7 +517,18 @@ CMStringA CTelegramProto::GetMessageSticker(const TD::file *pFile, const char *p
 	pRequest->m_destPath = GetAvatarPath() + L"\\Stickers";
 	CreateDirectoryW(pRequest->m_destPath, 0);
 
-	pRequest->m_fileName.Format(L"STK{%S}.%S", pFileId, pwszExtension);
+	const char *pszFileExt;
+	switch (pFormat->get_id()) {
+	case TD::thumbnailFormatGif::ID: pszFileExt = "gif"; break;
+	case TD::thumbnailFormatPng::ID: pszFileExt = "png"; break;
+	case TD::thumbnailFormatTgs::ID: pszFileExt = "tga"; break;
+	case TD::thumbnailFormatJpeg::ID: pszFileExt = "jpg"; break;
+	case TD::thumbnailFormatWebm::ID: pszFileExt = "webm"; break;
+	case TD::thumbnailFormatWebp::ID: pszFileExt = "webp"; break;
+	default:pszFileExt = "jpeg"; break;
+	}
+
+	pRequest->m_fileName.Format(L"STK{%S}.%S", pFileId, pszFileExt);
 	{
 		mir_cslock lck(m_csFiles);
 		m_arFiles.insert(pRequest);
@@ -713,18 +724,7 @@ CMStringA CTelegramProto::GetMessageText(TG_USER *pUser, const TD::message *pMsg
 							break;
 						}
 
-						const char *pwszFileExt;
-						switch (pSticker->thumbnail_->format_->get_id()) {
-						case TD::thumbnailFormatGif::ID: pwszFileExt = "gif"; break;
-						case TD::thumbnailFormatPng::ID: pwszFileExt = "png"; break;
-						case TD::thumbnailFormatTgs::ID: pwszFileExt = "tga"; break;
-						case TD::thumbnailFormatJpeg::ID: pwszFileExt = "jpg"; break;
-						case TD::thumbnailFormatWebm::ID: pwszFileExt = "webm"; break;
-						case TD::thumbnailFormatWebp::ID: pwszFileExt = "webp"; break;
-						default:pwszFileExt = "jpeg"; break;
-						}
-
-						ret = GetMessageSticker(pSticker->thumbnail_->file_.get(), pwszFileExt);
+						ret = GetMessageSticker(pSticker->thumbnail_->file_.get(), pSticker->thumbnail_->format_.get());
 						break;
 					}
 				}
@@ -742,15 +742,7 @@ CMStringA CTelegramProto::GetMessageText(TG_USER *pUser, const TD::message *pMsg
 			
 			if (m_bSmileyAdd) {
 				if (pSticker->thumbnail_.get()) {
-					const char *pwszFileExt;
-					switch (pSticker->format_->get_id()) {
-					case TD::stickerFormatTgs::ID: pwszFileExt = "tga"; break;
-					case TD::stickerFormatWebm::ID: pwszFileExt = "webm"; break;
-					case TD::stickerFormatWebp::ID: pwszFileExt = "webp"; break;
-					default:
-						pwszFileExt = "jpeg"; break;
-					}
-					ret = GetMessageSticker(pSticker->thumbnail_->file_.get(), pwszFileExt);
+					ret = GetMessageSticker(pSticker->thumbnail_->file_.get(), pSticker->thumbnail_->format_.get());
 				}
 				else {
 					debugLogA("Strange sticker without preview");
-- 
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