Merge branch 'dev' of https://gitea.maskantech.in/gitea_admin/pdf into azeem

gateway/app/routers/documents.py

@@ -298,6 +298,22 @@ def get_font_bytes(document_id: str, internal_font_id: str) -> Response:
     )
 
 
+@router.get("/{document_id}/raw")
+def get_document_raw(document_id: str) -> Response:
+    """Raw PDF bytes of the current version — loaded into the in-browser WASM engine for the
+    pixel-identical live-edit preview. Gated on copy permission (same as export)."""
+    doc_info = document_store.get_document(document_id)
+    if not doc_info:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Document not found")
+    perms = doc_info.get("permissions") or {}
+    if perms.get("canCopy", True) is False:
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Not permitted (canCopy).")
+    data = doc_info.get("bytes_data")
+    if not data:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Document bytes unavailable")
+    return Response(content=bytes(data), media_type="application/pdf")
+
+
 class SearchRect(BaseModel):
     x: float
     y: float

gateway/app/routers/edits.py

@@ -223,6 +223,41 @@ class ReplaceTextOperation(BaseModel):
     data: ReplaceTextData
 
 
+class ReflowRun(BaseModel):
+    text: str
+    internalFontId: str
+    fontSize: float
+    color: str = "#000000"
+
+
+class ReflowParagraphData(BaseModel):
+    objectIndices: list[int]
+    runs: list[ReflowRun]
+    columnLeft: float
+    columnRight: float
+    firstBaselineY: float
+    leading: float
+    oldLineCount: int = 1
+    align: Literal["left", "justify"] = "left"
+    # Push-down column left edge (defaults to columnLeft). For a bullet item the text reflows from
+    # a hanging indent (columnLeft) but the push-down spans the full width from pushColumnLeft so
+    # bullet markers and items below move together.
+    pushColumnLeft: float | None = None
+    # Optional WYSIWYG mode: exact visual line breaks from the live editor (one inner list of
+    # styled fragments per line). When present the engine emits these breaks verbatim.
+    lines: list[list[ReflowRun]] | None = None
+    # Optional WYSIWYG mode: exact visual line breaks from the live editor (one inner list of
+    # styled fragments per line). When present the engine emits these breaks verbatim.
+    lines: list[list[ReflowRun]] | None = None
+
+
+class ReflowParagraphOperation(BaseModel):
+    id: str
+    type: Literal["reflow_paragraph"]
+    pageIndex: int = Field(..., ge=0)
+    data: ReflowParagraphData
+
+
 class DecorationData(BaseModel):
     # Text-markup annotation (underline/strikeout/squiggly) over one or more text
     # lines — quadpoints in PDF top-down space, mirroring HighlightData.
@@ -264,6 +299,7 @@ EditOperation = Annotated[
     | DeleteAnnotationOperation
     | UpdateAnnotationOperation
     | ReplaceTextOperation
+    | ReflowParagraphOperation
     | UnderlineOperation
     | StrikeoutOperation
     | SquigglyOperation,
@@ -283,7 +319,7 @@ _OP_PERMISSION = {
     "squiggly": "canAnnotate", "comment": "canAnnotate", "freehand": "canAnnotate",
     "free_text": "canAnnotate", "text_overlay": "canAnnotate", "image_overlay": "canAnnotate",
     "delete_annotation": "canAnnotate", "update_annotation": "canAnnotate",
-    "replace_text": "canModify", "redaction": "canModify",
+    "replace_text": "canModify", "reflow_paragraph": "canModify", "redaction": "canModify",
     "update_field": "canFillForms",
     "page_rotation": "canAssemble", "page_deletion": "canAssemble", "page_reorder": "canAssemble",
 }
@@ -367,7 +403,7 @@ def apply_edits_impl(document_id: str, request: EditsRequest):
 
         # Redaction and in-place text rewrites mutate existing objects, which do
         # not round-trip cleanly through an incremental save — force a full save.
-        full_save_types = {"redaction", "replace_text"}
+        full_save_types = {"redaction", "replace_text", "reflow_paragraph"}
         needs_full = any(op.get("type") in full_save_types for op in req_dict.get("operations", []))
         new_bytes = doc_copy.save_full() if needs_full else doc_copy.save_incremental()