From 078f5994c4c2f4fcbb7f1838cecae7b0a1ca195c Mon Sep 17 00:00:00 2001
From: aiongg <aiongtaigi@gmail.com>
Date: Sat, 14 Nov 2026 04:37:22 +0000
Subject: [PATCH] Build: restore designcraft_format::write for recovery; render
 decodes without naming the image crate

---
 crates/format/src/lib.rs            | 10 ++++++++++
 crates/idml/src/export/item.rs      |  4 +---
 crates/render/src/decode.rs         | 10 +++++-----
 crates/textimport/src/docx.rs       |  4 +---
 crates/textimport/src/docx/tests.rs |  3 ++-
 5 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/crates/format/src/lib.rs b/crates/format/src/lib.rs
index bcfacd976..a05a8baa7 100644
--- a/crates/format/src/lib.rs
+++ b/crates/format/src/lib.rs
@@ -36,6 +36,16 @@ pub fn save_with_preview(doc: &Document, preview: Option<&[u8]>) -> Result<Vec<u
     craft_designcraft_format::save(&compact, concat!("DesignCraft ", env!("CARGO_PKG_VERSION")), preview, &assets)
 }
 
+/// [`save_with_preview`] into `out`, in chunks, so a writer that stops on cancellation stops the
+/// write at its next chunk.
+pub fn write<W: std::io::Write>(out: &mut W, doc: &Document, preview: Option<&[u8]>) -> Result<(), FormatError> {
+    let bytes = save_with_preview(doc, preview)?;
+    for chunk in bytes.chunks(1 << 20) {
+        out.write_all(chunk).map_err(|e| FormatError::Io(e.to_string()))?;
+    }
+    Ok(())
+}
+
 /// Required native format version for a document. Kept for app-side compatibility; inference is
 /// performed by the shared codec over the serialized neutral document schema.
 #[cfg(test)]
diff --git a/crates/idml/src/export/item.rs b/crates/idml/src/export/item.rs
index bfcc0619c..fd5731133 100644
--- a/crates/idml/src/export/item.rs
+++ b/crates/idml/src/export/item.rs
@@ -1,7 +1,5 @@
 use super::common::{affine_s, bool_s, pct, uid, with_props};
-use super::{
-    Affine, ColumnsKind, Content, El, Ex, Item, Node, OBJECT_BUILTINS, PathData, Shape, TextFrameOptions, base64_encode, names, num, pt,
-};
+use super::{Affine, ColumnsKind, Content, El, Ex, Item, Node, OBJECT_BUILTINS, PathData, Shape, TextFrameOptions, base64_encode, names, num, pt};
 
 impl<'a> Ex<'a> {
     pub(super) fn item_el(&mut self, it: &Item, xf: Affine) -> El {
diff --git a/crates/render/src/decode.rs b/crates/render/src/decode.rs
index f6bc7339b..cc4d9f859 100644
--- a/crates/render/src/decode.rs
+++ b/crates/render/src/decode.rs
@@ -18,22 +18,22 @@ pub fn decode_pixmap_page(bytes: &[u8], page: u32) -> Option<Pixmap> {
         let (px, w, h) = designcraft_images::render_svg(bytes, 3000)?;
         return Some(Pixmap::from_parts(premul_pixels(px), w.min(u16::MAX as u32) as u16, h.min(u16::MAX as u32) as u16));
     }
-    premultiplied(designcraft_images::decode_rgba(bytes)?)
+    let img = designcraft_images::decode_rgba(bytes)?;
+    premultiplied(img.width(), img.height(), img.into_raw())
 }
 
 /// [`decode_pixmap`] of a JPEG at 1/2^`shrink` of its size, `shrink` 1 to
 /// [`designcraft_images::MAX_REDUCED_SHRINK`], without a full-size decode. `None` where only a
 /// full decode applies (other formats, CMYK JPEGs).
 pub(crate) fn decode_pixmap_reduced(bytes: &[u8], shrink: u8) -> Option<Pixmap> {
-    premultiplied(designcraft_images::decode_rgba_reduced(bytes, shrink)?)
+    let img = designcraft_images::decode_rgba_reduced(bytes, shrink)?;
+    premultiplied(img.width(), img.height(), img.into_raw())
 }
 
-fn premultiplied(img: image::RgbaImage) -> Option<Pixmap> {
-    let (w, h) = img.dimensions();
+fn premultiplied(w: u32, h: u32, mut px: Vec<u8>) -> Option<Pixmap> {
     if w == 0 || h == 0 || w > u16::MAX as u32 || h > u16::MAX as u32 {
         return None;
     }
-    let mut px = img.into_raw();
     px.truncate(w as usize * h as usize * 4);
     Some(Pixmap::from_parts(premultiply(px), w as u16, h as u16))
 }
diff --git a/crates/textimport/src/docx.rs b/crates/textimport/src/docx.rs
index b59426f25..b7bd274df 100644
--- a/crates/textimport/src/docx.rs
+++ b/crates/textimport/src/docx.rs
@@ -6,9 +6,7 @@ use std::collections::{HashMap, HashSet};
 use craft_wordmodel::Block;
 use craft_wordmodel::numbering::LevelSuffix;
 use craft_wordmodel::para::{InlineObject, NoteKind, Paragraph};
-use craft_wordmodel::props::{
-    Align as WordAlign, CharProps as WordCharProps, NumRef, ParaProps as WordParaProps, Underline, VertAlign,
-};
+use craft_wordmodel::props::{Align as WordAlign, CharProps as WordCharProps, NumRef, ParaProps as WordParaProps, Underline, VertAlign};
 use craft_wordmodel::section::NumFormat;
 use craft_wordmodel::styles::{StyleKind, StyleSheet};
 use designcraft_doc::story::{BASIC_PARAGRAPH, NO_CHAR_STYLE};
diff --git a/crates/textimport/src/docx/tests.rs b/crates/textimport/src/docx/tests.rs
index c7fb3ff28..d49b2a2cc 100644
--- a/crates/textimport/src/docx/tests.rs
+++ b/crates/textimport/src/docx/tests.rs
@@ -60,7 +60,8 @@ fn docx_parts(parts: &[(&str, &str)]) -> Vec<u8> {
     }
     if !rels.is_empty() {
         w.start_file("word/_rels/document.xml.rels", o).unwrap();
-        let rels_doc = format!(r#"<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">{}</Relationships>"#, rels.join(""));
+        let rels_doc =
+            format!(r#"<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">{}</Relationships>"#, rels.join(""));
         w.write_all(rels_doc.as_bytes()).unwrap();
     }
     w.finish().unwrap().into_inner()