Add outline support for sticker set thumbnails.

td/generate/scheme/td_api.tl

@@ -274,8 +274,8 @@ photo has_stickers:Bool minithumbnail:minithumbnail sizes:vector<photoSize> = Ph
 
 //@description Describes a sticker @set_id The identifier of the sticker set to which the sticker belongs; 0 if none @width Sticker width; as defined by the sender @height Sticker height; as defined by the sender
 //@emoji Emoji corresponding to the sticker @is_animated True, if the sticker is an animated sticker in TGS format @is_mask True, if the sticker is a mask @mask_position Position where the mask should be placed; may be null
-//@contours Sticker contours; may be empty. The coordinate system origin is in the upper-left corner @thumbnail Sticker thumbnail in WEBP or JPEG format; may be null @sticker File containing the sticker
-sticker set_id:int64 width:int32 height:int32 emoji:string is_animated:Bool is_mask:Bool mask_position:maskPosition contours:vector<closedVectorPath> thumbnail:thumbnail sticker:file = Sticker;
+//@outline Sticker's outline represented as a list of closed vector paths; may be empty. The coordinate system origin is in the upper-left corner @thumbnail Sticker thumbnail in WEBP or JPEG format; may be null @sticker File containing the sticker
+sticker set_id:int64 width:int32 height:int32 emoji:string is_animated:Bool is_mask:Bool mask_position:maskPosition outline:vector<closedVectorPath> thumbnail:thumbnail sticker:file = Sticker;
 
 //@description Describes a video file @duration Duration of the video, in seconds; as defined by the sender @width Video width; as defined by the sender @height Video height; as defined by the sender
 //@file_name Original name of the file; as defined by the sender @mime_type MIME type of the file; as defined by the sender
@@ -1977,17 +1977,19 @@ emojis emojis:vector<string> = Emojis;
 
 //@description Represents a sticker set
 //@id Identifier of the sticker set @title Title of the sticker set @name Name of the sticker set @thumbnail Sticker set thumbnail in WEBP or TGS format with width and height 100; may be null. The file can be downloaded only before the thumbnail is changed
+//@thumbnail_outline Sticker set thumbnail's outline represented as a list of closed vector paths; may be empty. The coordinate system origin is in the upper-left corner
 //@is_installed True, if the sticker set has been installed by the current user @is_archived True, if the sticker set has been archived. A sticker set can't be installed and archived simultaneously
 //@is_official True, if the sticker set is official @is_animated True, is the stickers in the set are animated @is_masks True, if the stickers in the set are masks @is_viewed True for already viewed trending sticker sets
 //@stickers List of stickers in this set @emojis A list of emoji corresponding to the stickers in the same order. The list is only for informational purposes, because a sticker is always sent with a fixed emoji from the corresponding Sticker object
-stickerSet id:int64 title:string name:string thumbnail:thumbnail is_installed:Bool is_archived:Bool is_official:Bool is_animated:Bool is_masks:Bool is_viewed:Bool stickers:vector<sticker> emojis:vector<emojis> = StickerSet;
+stickerSet id:int64 title:string name:string thumbnail:thumbnail thumbnail_outline:vector<closedVectorPath> is_installed:Bool is_archived:Bool is_official:Bool is_animated:Bool is_masks:Bool is_viewed:Bool stickers:vector<sticker> emojis:vector<emojis> = StickerSet;
 
 //@description Represents short information about a sticker set
 //@id Identifier of the sticker set @title Title of the sticker set @name Name of the sticker set @thumbnail Sticker set thumbnail in WEBP or TGS format with width and height 100; may be null
+//@thumbnail_outline Sticker set thumbnail's outline represented as a list of closed vector paths; may be empty. The coordinate system origin is in the upper-left corner
 //@is_installed True, if the sticker set has been installed by current user @is_archived True, if the sticker set has been archived. A sticker set can't be installed and archived simultaneously
 //@is_official True, if the sticker set is official @is_animated True, is the stickers in the set are animated @is_masks True, if the stickers in the set are masks @is_viewed True for already viewed trending sticker sets
 //@size Total number of stickers in the set @covers Contains up to the first 5 stickers from the set, depending on the context. If the application needs more stickers the full set should be requested
-stickerSetInfo id:int64 title:string name:string thumbnail:thumbnail is_installed:Bool is_archived:Bool is_official:Bool is_animated:Bool is_masks:Bool is_viewed:Bool size:int32 covers:vector<sticker> = StickerSetInfo;
+stickerSetInfo id:int64 title:string name:string thumbnail:thumbnail thumbnail_outline:vector<closedVectorPath> is_installed:Bool is_archived:Bool is_official:Bool is_animated:Bool is_masks:Bool is_viewed:Bool size:int32 covers:vector<sticker> = StickerSetInfo;
 
 //@description Represents a list of sticker sets @total_count Approximate total number of sticker sets found @sets List of sticker sets
 stickerSets total_count:int32 sets:vector<stickerSetInfo> = StickerSets;

td/telegram/InlineQueriesManager.cpp

@@ -1014,7 +1014,7 @@ template <>
 tl_object_ptr<td_api::sticker> copy(const td_api::sticker &obj) {
   return make_tl_object<td_api::sticker>(
       obj.set_id_, obj.width_, obj.height_, obj.emoji_, obj.is_animated_, obj.is_mask_, copy(obj.mask_position_),
-      transform(obj.contours_, copy_closed_vector_path), copy(obj.thumbnail_), copy(obj.sticker_));
+      transform(obj.outline_, copy_closed_vector_path), copy(obj.thumbnail_), copy(obj.sticker_));
 }
 
 template <>

td/telegram/StickersManager.cpp

@@ -1698,8 +1698,9 @@ tl_object_ptr<td_api::stickerSet> StickersManager::get_sticker_set_object(Sticke
                                         sticker_set->is_animated ? PhotoFormat::Tgs : PhotoFormat::Webp);
   return make_tl_object<td_api::stickerSet>(
       sticker_set->id.get(), sticker_set->title, sticker_set->short_name, std::move(thumbnail),
-      sticker_set->is_installed && !sticker_set->is_archived, sticker_set->is_archived, sticker_set->is_official,
-      sticker_set->is_animated, sticker_set->is_masks, sticker_set->is_viewed, std::move(stickers), std::move(emojis));
+      get_sticker_minithumbnail(sticker_set->minithumbnail), sticker_set->is_installed && !sticker_set->is_archived,
+      sticker_set->is_archived, sticker_set->is_official, sticker_set->is_animated, sticker_set->is_masks,
+      sticker_set->is_viewed, std::move(stickers), std::move(emojis));
 }
 
 tl_object_ptr<td_api::stickerSets> StickersManager::get_sticker_sets_object(int32 total_count,
@@ -1743,8 +1744,9 @@ tl_object_ptr<td_api::stickerSetInfo> StickersManager::get_sticker_set_info_obje
                                         sticker_set->is_animated ? PhotoFormat::Tgs : PhotoFormat::Webp);
   return make_tl_object<td_api::stickerSetInfo>(
       sticker_set->id.get(), sticker_set->title, sticker_set->short_name, std::move(thumbnail),
-      sticker_set->is_installed && !sticker_set->is_archived, sticker_set->is_archived, sticker_set->is_official,
-      sticker_set->is_animated, sticker_set->is_masks, sticker_set->is_viewed,
+      get_sticker_minithumbnail(sticker_set->minithumbnail), sticker_set->is_installed && !sticker_set->is_archived,
+      sticker_set->is_archived, sticker_set->is_official, sticker_set->is_animated, sticker_set->is_masks,
+      sticker_set->is_viewed,
       sticker_set->was_loaded ? narrow_cast<int32>(sticker_set->sticker_ids.size()) : sticker_set->sticker_count,
       std::move(stickers));
 }