core, ui: resize images in the core for sharper previews and images (#7941)

* WIP: Haskell impl of resizeImageToStrSize

* WIP: add FFI export wrapper

* WIP: switch ios resizeImageToStrSizeSync to backend

* WIP: fix resizeImageToStrSizeSync

* WIP: add JNI wrappers

* Add non-base64 resize and cWriteImage

* WIP: add chat_write_image

* fix resizeToStr

* fixes

* fix syntax, raise jpeg quality back

* add chatWriteImage

* Fix cfArgs in tests

* Use jpeg-turbo encoder

* add nix pins

* bump jpeg-turbo

* add CI deps

* add encoding funs to android lib

* bump jpeg-turbo for 20.04 fix

* jpeg-turbo fix for 8.10

* android fixes

* Bump jpeg-turbo

* set static flag for jpeg-turbo

* Fix nix for aarch64/android

* Fix android C api

* Fix resize in android

* Bump hs-libjpeg-turbo

* target correct override

* override android lib from android pkgs

* add macos build tweaks

* bump hs-jpeg-turbo for 8.10 fixes

* more build fixes

* make ios compile

* Always use pkgconfig for libjpeg-turbo

* WIP: debug libjpeg in ubuntu pkg-config CI

* Add pkg-config to dockerfiles

* Add libturbojpeg to dockerfiles

* Use -dev version of libturbojpeg in dockerfiles

* Install pkg-config in windows CI

* Disable flag for custom libturbojpeg linking options

Workarounds relocation error on x86_64-linux with gcc:
  /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/libturbojpeg.a(turbojpeg.c.o): relocation R_X86_64_TPOFF32 against `errStr' can not be used when making a shared object; recompile with -fPIC
  /usr/bin/ld: failed to set dynamic section sizes: bad value

* WIP: debug libjpeg in windows pkg-config CI

* WIP: debug libjpeg package in windows CI

* core: image resize module and buffer FFI

* ci: link libjpeg-turbo statically on all platforms

* ui: resize images in the core

* core: rename image resize functions to chat_resize_image and chat_resize_image_uri

* ci: restore whitespace in build.yml

* ci: build libjpeg-turbo 3.1.4.1 from a submodule

* core: hs-jpeg-turbo from github.com/simplex-chat

* nodejs: resize images

* python: resize images

* core: hs-jpeg-turbo from gitlab.com, the GitHub import lacks LFS objects

* core: generate /img previews

* ci: link libjpeg-turbo on Windows without pkg-config

* ci: build libjpeg-turbo on Windows with the GHC toolchain

* docs: plan for image resizing in the core

* docs: update image resizing plan

* ios: prevent crash when wallpaper image cannot be resized

* android, desktop: raise an error when an image cannot be resized

* docs: update spec references for image resizing

* docker: build the CLI image from a clone without submodules

* docs: apply review fixes to image resizing plan

* docker: build the CLI from a git worktree with the submodule present

* docs: apply second review to image resizing plan

* docs: point image resizing plan at the rewritten commit

* core: choose image format by transparency in chat_resize_image

* nodejs: resize images to the app sizes

* python: resize images to the app sizes

* nodejs, python: describe the core modules as used for image resizing

* docs: add license notices of the image libraries

* ci: describe the avatar method without attributing it to the apps

* ci, ios, nix: remove the libjpeg-turbo build outside cabal

* python: name resize_image in the core module text

* nodejs, python: describe resizing to the app image sizes

* core: refuse images larger than the supported size

* core: resize to JPEG images with a side above 65500 pixels

* docs: record image resizing decisions for the bundled libjpeg-turbo

* core, docs: build libjpeg-turbo and stb from the fork submodules

* docs: record the fork pins in the image resizing plan

* core: resize images to at most 4320 pixels per side, refuse above 16384

* docs: record the image side limits in the image resizing plan

* core: pin the rebased hs-jpeg-turbo fork

* core: pin the hs-jpeg-turbo fork without package.yaml

* docs: plan scaled JPEG decoding and EXIF orientation of images

* docs: copy the JuicyPixels-stbir licence of the pinned fork

* core: pin the hs-jpeg-turbo fork with scaled JPEG decoding

* core: decode JPEG at the display size, up to 65500 pixels per side

* core: rotate JPEG images by their EXIF orientation

* docs: refer the image plan to the JPEG decoding code

* docs: record the approved image processing decisions

* core: limit JPEG decoding memory to 1024 MB outside iOS and Android

* docs: name JPEG decoding in the libjpeg-turbo notice

* docs: plan image resizing from files and the decisions of 26 Oct

* core: scale images in one Catmull-Rom pass with sharpening

* docs: plan image sizes at a fixed quality

* core: resize images at a fixed quality to fill the size limit

* core: resize images from a file path or a file descriptor

* ios, android, desktop: resize picked images from their files

* core: encode resized images with mozjpeg

* tests: check descriptor closing by the file it refers to

* core: raise JPEG quality only for a full-size image below 97% of the limit

* ci: name the mozjpeg submodule in the Windows cleanup comments

* docs: refer the image plan to the current code

* docs: refer the image plan to the code merged with master

* core: export every image resizing function from each library

* core: close the file descriptor when its handle cannot be created

* docs: count the C sources of mozjpeg with the arithmetic decoder

* core: use the reviewed hs-jpeg-turbo and JuicyPixels-stbir forks

* ci: build the armv7a Android core library on request

* core: round image heights half up in the size search

* ios: describe the file image resizing functions in SimpleX.h

* ci: pick, preview and send images in the Claude app tests

* core: decode PNG images with libspng and refuse other formats

* core: encode PNG with libspng, keeping the smaller filter choice

* ci: pick, preview and send images in the scripted app smoke tests

* flake: build the PNG decoder package in nix builds

* ios: remove the copy of a picked image after sending it

* core: refuse image files larger than the decode memory limit

* core: scale a JPEG image to its largest size once per resize

* core: bisect JPEG quality without a step function

* core: reduce the memory used to sharpen and to decode PNG images

* android, desktop: pass the image format to the core as an integer

* android, desktop: fuse the preview conditions of picked media

* android, desktop, ci: check that the core resized the smoke test images

* python: remove the docstrings of the explicit image resizing functions

* docs: add the second review fixes to the image plan

* ci: tap the iOS attachment button by its accessibility label

* core: keep the colour profiles of resized images

* docs: add the colour profiles to the image plan

* ci: wait up to 30 s for the new group screens in the iOS smoke test

* ci: pick the Android smoke test images from their own photo folders

* ci: tap the iOS photo picker by position, as its tree is not shown

* ci: pick the test card and the logo by their iOS picker positions

* core: update JuicyPixels-stbir with the stb_image_resize licence terms

* core: write a fixed Display P3 profile for Display P3 images only

* core: do not keep the input image in memory for its colour profile

* core: read the JPEG segments once for the orientation and the profile

* core: read an image file into one buffer of its size

* docs: add the third review fixes to the image plan

* core: resize images with Display P3 or no profile, not profile bytes

* ci: check the pixel sizes of the images sent in the iOS smoke test

* core: update hs-jpeg-turbo with PNG chunk limits and encoder fixes

* docs: list Compact ICC Profiles, libspng and miniz in the dependencies

* android, desktop: reword the picked media preview comment

* docs: refer the image plan to the code merged with master

* ci: render the iOS snapshots before the images case

* ci: dismiss the snapshot tests' camera alert before the iOS images case

* core: update hs-jpeg-turbo with tests and the JuicyPixels-spng synopsis

* core: pin hs-jpeg-turbo and JuicyPixels-stbir in simplex-chat repositories

* update ios core library

* core, ui: accept only JPEG and PNG image data

* core: update JuicyPixels-stbir

* docs: plan for the iOS copy of picked images

---------

Co-authored-by: IC Rainbow <aenor.realm@gmail.com>
Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
Co-authored-by: Alexandre Esteves <alexfmpe@proton.me>
This commit is contained in:
authored and GitHub committed 2026-10-30 12:14:51 +00:00
1 parent 1491d0cff8
commit fbca2cae81
118 files changed
+4227 -348

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+38
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@@ -15,6 +15,10 @@ on:
description: Also test the latest released app, to tell a branch's failure from the runner's
type: boolean
default: false
armv7a:
description: Also build the core library for 32-bit Arm (armeabi-v7a)
type: boolean
default: false
permissions:
contents: read
@@ -41,6 +45,7 @@ jobs:
run-claude: ${{ steps.jobs.outputs.claude }}
run-backend: ${{ steps.jobs.outputs.backend }}
run-release: ${{ steps.jobs.outputs.release }}
run-armv7a: ${{ steps.jobs.outputs.armv7a }}
claude-backend: ${{ steps.scope.outputs.backend }}
core: ${{ steps.names.outputs.core }}
core-run: ${{ steps.core.outputs.run-id }}
@@ -53,10 +58,12 @@ jobs:
CLAUDE: ${{ inputs.claude }}
BACKEND: ${{ inputs.backend }}
RELEASE: ${{ inputs.release }}
ARMV7A: ${{ inputs.armv7a }}
run: |
echo "claude=$CLAUDE" | tee -a "$GITHUB_OUTPUT"
echo "backend=$BACKEND" | tee -a "$GITHUB_OUTPUT"
echo "release=$RELEASE" | tee -a "$GITHUB_OUTPUT"
echo "armv7a=$ARMV7A" | tee -a "$GITHUB_OUTPUT"
- name: Checkout code
uses: actions/checkout@v6
@@ -173,6 +180,29 @@ jobs:
retention-days: 30
if-no-files-found: error
core-armv7a:
name: core library for Android armv7a
needs: plan
if: needs.plan.outputs.run-armv7a == 'true'
runs-on: ubuntu-24.04
timeout-minutes: 150
steps:
- name: Checkout code
uses: actions/checkout@v6
with:
fetch-depth: 0
filter: tree:0
- name: Show runner
run: |
lsb_release -ds
nproc
free -h
df -h /
- name: Build core library
run: scripts/ci/android/build-core.sh ~/core/android-core-armeabi-v7a.tar.gz armv7a
app:
name: Android app in the emulator
needs: [plan, core, backend]
@@ -364,6 +394,14 @@ jobs:
- name: Boot emulator
run: scripts/ci/android/emulator.sh start "$RUNNER_TEMP/claude-test/screens"
- name: Add test images
run: |
adb push tests/fixtures/test.jpg /sdcard/Pictures/test-card.jpg
adb push tests/fixtures/logo-large-rgba.png /sdcard/Pictures/simplex-logo.png
for image in test-card.jpg simplex-logo.png; do
adb shell am broadcast -a android.intent.action.MEDIA_SCANNER_SCAN_FILE -d "file:///sdcard/Pictures/$image"
done
- name: Reach the test backend
if: steps.backend.outcome == 'success'
run: scripts/ci/android/emulator.sh reverse 5223
+7 -7
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@@ -1499,8 +1499,8 @@ jobs:
if: steps.restore-build.outcome == 'success' && steps.restore-build.outputs.cache-matched-key == ''
run: echo "::warning title=Cache miss::${{ steps.keys.outputs.dist }}-${{ env.opt }}-${{ env.branch }}"
# rm -rf dist-newstyle/src/{direct-sq,simplexmq}* is here because of the bug in cabal's dependency which prevents second build from finishing
# (simplexmq is removed because cabal cannot delete its read-only git submodule pack files - blst, libbbs - on Windows)
# rm -rf dist-newstyle/src/{direct-sq,simplexmq,hs-jpeg-t,JuicyPixe}* is here because of the bug in cabal's dependency which prevents second build from finishing
# (simplexmq, hs-jpeg-turbo and JuicyPixels-stbir are removed because cabal cannot delete their read-only git submodule pack files - blst, libbbs, mozjpeg, stb - on Windows)
- name: Build CLI
id: windows_cli_build
shell: msys2 {0}
@@ -1516,10 +1516,10 @@ jobs:
echo " extra-lib-dirs: $openssl_windows_style_path" >> cabal.project.local
scripts/ci/prune-old-builds.sh dist-newstyle
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq*
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq* dist-newstyle/src/hs-jpeg-t* dist-newstyle/src/JuicyPixe*
sed -i "s/, unix /--, unix /" simplex-chat.cabal
cabal build -j --enable-tests ${{ env.ghc_options }}
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq*
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq* dist-newstyle/src/hs-jpeg-t* dist-newstyle/src/JuicyPixe*
path=$(cabal list-bin simplex-chat | tail -n 1)
echo "bin_path=$path" >> $GITHUB_OUTPUT
echo "bin_hash=$(echo SHA2-256\(${{ matrix.cli_asset_name }}\)= $(openssl sha256 $path | cut -d' ' -f 2))" >> $GITHUB_OUTPUT
@@ -1642,7 +1642,7 @@ jobs:
scripts/desktop/build-lib-windows.sh
cd apps/multiplatform
./gradlew -Psimplex.assets.dir=../../assets packageMsi
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq*
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq* dist-newstyle/src/hs-jpeg-t* dist-newstyle/src/JuicyPixe*
path=$(echo $PWD/release/main/msi/*imple*.msi | sed 's#/\([a-z]\)#\1:#' | sed 's#/#\\#g')
echo "package_path=$path" >> $GITHUB_OUTPUT
echo "package_hash=$(echo SHA2-256\(${{ matrix.desktop_asset_name }}\)= $(openssl sha256 $path | cut -d' ' -f 2))" >> $GITHUB_OUTPUT
@@ -1684,9 +1684,9 @@ jobs:
export PATH=$PATH:/c/ghcup/bin:$(echo /c/tools/ghc-*/bin || echo)
scripts/desktop/prepare-openssl-windows.sh
scripts/ci/prune-old-builds.sh dist-newstyle
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq*
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq* dist-newstyle/src/hs-jpeg-t* dist-newstyle/src/JuicyPixe*
cabal build -j --enable-tests --ghc-options=-O0
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq*
rm -rf dist-newstyle/src/direct-sq* dist-newstyle/src/simplexmq* dist-newstyle/src/hs-jpeg-t* dist-newstyle/src/JuicyPixe*
- name: Save -O0 build directory to cache
if: ${{ !cancelled() && steps.build-o0.outcome == 'success' && steps.restore-build-o0.outputs.cache-hit != 'true' }}
+6
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@@ -407,6 +407,12 @@ jobs:
- name: Start the app
run: scripts/ci/desktop-linux/smoke-test.sh "$RUNNER_TEMP/app/simplex" "$RUNNER_TEMP/claude-test/screens" start
- name: Add test images
run: |
mkdir -p "$RUNNER_TEMP/claude-test/images"
cp tests/fixtures/test.jpg "$RUNNER_TEMP/claude-test/images/test-card.jpg"
cp tests/fixtures/logo-large-rgba.png "$RUNNER_TEMP/claude-test/images/simplex-logo.png"
# Claude's Bash is limited to single ui commands by the guard hook in claude-test.sh. Claude Code's credential
# scrub stays off: on Linux it forces its whole Bash sandbox (bubblewrap, socat), which ui isn't set up for.
- name: Run Claude
+9 -1
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@@ -266,7 +266,7 @@ jobs:
run: scripts/ci/ios-sim/install-axe.sh
- name: Run smoke test
run: scripts/ci/ios-sim/smoke-test.sh "$RUNNER_TEMP/DerivedData/Build/Products/Debug-iphonesimulator/SimpleX.app" "$RUNNER_TEMP/smoke-test"
run: scripts/ci/ios-sim/smoke-test.sh "$RUNNER_TEMP/DerivedData/Build/Products/Debug-iphonesimulator/SimpleX.app" "$RUNNER_TEMP/smoke-test" images
- name: Stop test backend
if: ${{ !cancelled() && env.START_BACKEND == 'true' }}
@@ -354,6 +354,14 @@ jobs:
- name: Run smoke test
run: scripts/ci/ios-sim/smoke-test.sh "$RUNNER_TEMP/SimpleX.app" "$RUNNER_TEMP/claude-test/smoke-test"
- name: Add test images
run: |
images=(tests/fixtures/test.jpg tests/fixtures/logo-large-rgba.png)
if sips -r 90 -s format heic tests/fixtures/test.jpg --out "$RUNNER_TEMP/test-card-portrait.heic"; then
images+=("$RUNNER_TEMP/test-card-portrait.heic")
fi
xcrun simctl addmedia "$SIM_UDID" "${images[@]}"
- name: Install Claude Code
run: |
npm install -g "@anthropic-ai/claude-code@$CLAUDE_CODE_VERSION"