diff options
Diffstat (limited to 'third_party/jpeg-xl/plugins')
18 files changed, 2761 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/plugins/CMakeLists.txt b/third_party/jpeg-xl/plugins/CMakeLists.txt new file mode 100644 index 0000000000..bff1bff29d --- /dev/null +++ b/third_party/jpeg-xl/plugins/CMakeLists.txt @@ -0,0 +1,21 @@ +# Copyright (c) the JPEG XL Project Authors. All rights reserved. +# +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +if(NOT MSVC) + option(JPEGXL_ENABLE_PLUGIN_GDKPIXBUF "Enable plugin for GdkPixbuf image loading library" ON) + if(JPEGXL_ENABLE_PLUGIN_GDKPIXBUF) + add_subdirectory(gdk-pixbuf) + endif() +endif() + +option(JPEGXL_ENABLE_PLUGIN_GIMP210 "Enable plugin for GIMP 2.10.x series" ON) +if(JPEGXL_ENABLE_PLUGIN_GIMP210) + add_subdirectory(gimp) +endif() + +option(JPEGXL_ENABLE_PLUGIN_MIME "Enable image/jxl declaration for shared-mime-info" ON) +if(JPEGXL_ENABLE_PLUGIN_MIME) + add_subdirectory(mime) +endif() diff --git a/third_party/jpeg-xl/plugins/gdk-pixbuf/CMakeLists.txt b/third_party/jpeg-xl/plugins/gdk-pixbuf/CMakeLists.txt new file mode 100644 index 0000000000..7b53b98c66 --- /dev/null +++ b/third_party/jpeg-xl/plugins/gdk-pixbuf/CMakeLists.txt @@ -0,0 +1,83 @@ +# Copyright (c) the JPEG XL Project Authors. All rights reserved. +# +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +find_package(PkgConfig) +pkg_check_modules(Gdk-Pixbuf IMPORTED_TARGET gdk-pixbuf-2.0>=2.36) + +include(GNUInstallDirs) + +if (NOT Gdk-Pixbuf_FOUND) + message(WARNING "GDK Pixbuf development libraries not found, \ + the Gdk-Pixbuf plugin will not be built") + return () +endif () + +add_library(pixbufloader-jxl MODULE pixbufloader-jxl.c) + +# Mark all symbols as hidden by default. The PkgConfig::Gdk-Pixbuf dependency +# will cause fill_info and fill_vtable entry points to be made public. +set_target_properties(pixbufloader-jxl PROPERTIES + CXX_VISIBILITY_PRESET hidden + VISIBILITY_INLINES_HIDDEN 1 +) + +# Note: This only needs the decoder library, but we don't install the decoder +# shared library. +target_link_libraries(pixbufloader-jxl jxl jxl_threads lcms2 PkgConfig::Gdk-Pixbuf) + +execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} gdk-pixbuf-2.0 --variable gdk_pixbuf_moduledir --define-variable=prefix=${CMAKE_INSTALL_PREFIX} OUTPUT_VARIABLE GDK_PIXBUF_MODULEDIR OUTPUT_STRIP_TRAILING_WHITESPACE) +install(TARGETS pixbufloader-jxl DESTINATION "${GDK_PIXBUF_MODULEDIR}") + +# Instead of the following, we might instead add the +# mime type image/jxl to +# /usr/share/thumbnailers/gdk-pixbuf-thumbnailer.thumbnailer +install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/jxl.thumbnailer DESTINATION "${CMAKE_INSTALL_DATADIR}/thumbnailers/") + +if(BUILD_TESTING AND NOT CMAKE_CROSSCOMPILING) + pkg_check_modules(Gdk IMPORTED_TARGET gdk-2.0) + if (Gdk_FOUND) + # Test for loading a .jxl file using the pixbufloader library via GDK. This + # requires to have the image/jxl mime type and loader library configured, + # which we do in a fake environment in the CMAKE_CURRENT_BINARY_DIR. + add_executable(pixbufloader_test pixbufloader_test.cc) + target_link_libraries(pixbufloader_test PkgConfig::Gdk) + + # Create a mime cache for test. + add_custom_command( + OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/mime/mime.cache" + COMMAND env XDG_DATA_HOME=${CMAKE_CURRENT_BINARY_DIR} + xdg-mime install --novendor + "${CMAKE_SOURCE_DIR}/plugins/mime/image-jxl.xml" + DEPENDS "${CMAKE_SOURCE_DIR}/plugins/mime/image-jxl.xml" + ) + add_custom_target(pixbufloader_test_mime + DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/mime/mime.cache" + ) + add_dependencies(pixbufloader_test pixbufloader_test_mime) + + # Use a fake X server to run the test if xvfb is installed. + find_program (XVFB_PROGRAM xvfb-run) + if(XVFB_PROGRAM) + set(XVFB_PROGRAM_PREFIX "${XVFB_PROGRAM};-a") + else() + set(XVFB_PROGRAM_PREFIX "") + endif() + + # libX11.so and libgdk-x11-2.0.so are not compiled with MSAN -> report + # use-of-uninitialized-value for string some internal string value. + # TODO(eustas): investigate direct memory leak (32 bytes). + if (NOT (SANITIZER STREQUAL "msan") AND NOT (SANITIZER STREQUAL "asan")) + add_test( + NAME pixbufloader_test_jxl + COMMAND + ${XVFB_PROGRAM_PREFIX} $<TARGET_FILE:pixbufloader_test> + "${CMAKE_CURRENT_SOURCE_DIR}/loaders_test.cache" + "${CMAKE_SOURCE_DIR}/testdata/jxl/blending/cropped_traffic_light.jxl" + WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} + ) + set_tests_properties(pixbufloader_test_jxl PROPERTIES SKIP_RETURN_CODE 254) + endif() + endif() # Gdk_FOUND +endif() # BUILD_TESTING diff --git a/third_party/jpeg-xl/plugins/gdk-pixbuf/README.md b/third_party/jpeg-xl/plugins/gdk-pixbuf/README.md new file mode 100644 index 0000000000..185919436f --- /dev/null +++ b/third_party/jpeg-xl/plugins/gdk-pixbuf/README.md @@ -0,0 +1,50 @@ +## JPEG XL GDK Pixbuf + + +The plugin may already have been installed when following the instructions from the +[Installing section of BUILDING.md](../../BUILDING.md#installing), in which case it should +already be in the correct place, e.g. + +```/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jxl.so``` + +Otherwise we can copy it manually: + +```bash +sudo cp $your_build_directory/plugins/gdk-pixbuf/libpixbufloader-jxl.so /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jxl.so +``` + + +Then we need to update the cache, for example with: + +```bash +sudo /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders --update-cache +``` + +In order to get thumbnails with this, first one has to add the jxl MIME type, see +[../mime/README.md](../mime/README.md). + +Ensure that the thumbnailer file is installed in the correct place, +`/usr/share/thumbnailers/jxl.thumbnailer` or `/usr/local/share/thumbnailers/jxl.thumbnailer`. + +The file should have been copied automatically when following the instructions +in the [Installing section of README.md](../../README.md#installing), but +otherwise it can be copied manually: + +```bash +sudo cp plugins/gdk-pixbuf/jxl.thumbnailer /usr/local/share/thumbnailers/jxl.thumbnailer +``` + +Update the Mime database with +```bash +update-mime --local +``` +or +```bash +sudo update-desktop-database +``` + +Then possibly delete the thumbnail cache with +```bash +rm -r ~/.cache/thumbnails +``` +and restart the application displaying thumbnails, e.g. `nautilus -q` to display thumbnails. diff --git a/third_party/jpeg-xl/plugins/gdk-pixbuf/jxl.thumbnailer b/third_party/jpeg-xl/plugins/gdk-pixbuf/jxl.thumbnailer new file mode 100644 index 0000000000..1bcaab61fc --- /dev/null +++ b/third_party/jpeg-xl/plugins/gdk-pixbuf/jxl.thumbnailer @@ -0,0 +1,4 @@ +[Thumbnailer Entry] +TryExec=/usr/bin/gdk-pixbuf-thumbnailer +Exec=/usr/bin/gdk-pixbuf-thumbnailer -s %s %u %o +MimeType=image/jxl; diff --git a/third_party/jpeg-xl/plugins/gdk-pixbuf/loaders_test.cache b/third_party/jpeg-xl/plugins/gdk-pixbuf/loaders_test.cache new file mode 100644 index 0000000000..95c62c8fc3 --- /dev/null +++ b/third_party/jpeg-xl/plugins/gdk-pixbuf/loaders_test.cache @@ -0,0 +1,16 @@ +# GdkPixbuf Image Loader Modules file for testing +# Automatically generated file, do not edit +# Created by gdk-pixbuf-query-loaders from gdk-pixbuf-2.42.2 +# +# Generated with: +# GDK_PIXBUF_MODULEDIR=`pwd`/build/plugins/gdk-pixbuf/ gdk-pixbuf-query-loaders +# +# Modified to use the library from the current working directory at runtime. +"./libpixbufloader-jxl.so" +"jxl" 4 "gdk-pixbuf" "JPEG XL image" "BSD-3" +"image/jxl" "" +"jxl" "" +"\377\n" " " 100 +"...\fJXL \r\n\207\n" "zzz " 100 + + diff --git a/third_party/jpeg-xl/plugins/gdk-pixbuf/pixbufloader-jxl.c b/third_party/jpeg-xl/plugins/gdk-pixbuf/pixbufloader-jxl.c new file mode 100644 index 0000000000..9df9611b39 --- /dev/null +++ b/third_party/jpeg-xl/plugins/gdk-pixbuf/pixbufloader-jxl.c @@ -0,0 +1,816 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include <jxl/codestream_header.h> +#include <jxl/decode.h> +#include <jxl/encode.h> +#include <jxl/resizable_parallel_runner.h> +#include <jxl/types.h> + +#include "lcms2.h" + +#define GDK_PIXBUF_ENABLE_BACKEND +#include <gdk-pixbuf/gdk-pixbuf.h> +#undef GDK_PIXBUF_ENABLE_BACKEND + +G_BEGIN_DECLS + +// Information about a single frame. +typedef struct { + uint64_t duration_ms; + GdkPixbuf *data; + gboolean decoded; +} GdkPixbufJxlAnimationFrame; + +// Represent a whole JPEG XL animation; all its fields are owned; as a GObject, +// the Animation struct itself is reference counted (as are the GdkPixbufs for +// individual frames). +struct _GdkPixbufJxlAnimation { + GdkPixbufAnimation parent_instance; + + // GDK interface implementation callbacks. + GdkPixbufModuleSizeFunc image_size_callback; + GdkPixbufModulePreparedFunc pixbuf_prepared_callback; + GdkPixbufModuleUpdatedFunc area_updated_callback; + gpointer user_data; + + // All frames known so far; a frame is added when the JXL_DEC_FRAME event is + // received from the decoder; initially frame.decoded is FALSE, until + // the JXL_DEC_IMAGE event is received. + GArray *frames; + + // JPEG XL decoder and related structures. + JxlParallelRunner *parallel_runner; + JxlDecoder *decoder; + JxlPixelFormat pixel_format; + + // Decoding is `done` when JXL_DEC_SUCCESS is received; calling + // load_increment afterwards gives an error. + gboolean done; + + // Image information. + size_t xsize; + size_t ysize; + gboolean alpha_premultiplied; + gboolean has_animation; + gboolean has_alpha; + uint64_t total_duration_ms; + uint64_t tick_duration_us; + uint64_t repetition_count; // 0 = loop forever + + gpointer icc_buff; + cmsContext context; + cmsHPROFILE profile, srgb; + cmsHTRANSFORM transform; +}; + +#define GDK_TYPE_PIXBUF_JXL_ANIMATION (gdk_pixbuf_jxl_animation_get_type()) +G_DECLARE_FINAL_TYPE(GdkPixbufJxlAnimation, gdk_pixbuf_jxl_animation, GDK, + JXL_ANIMATION, GdkPixbufAnimation); + +G_DEFINE_TYPE(GdkPixbufJxlAnimation, gdk_pixbuf_jxl_animation, + GDK_TYPE_PIXBUF_ANIMATION); + +// Iterator to a given point in time in the animation; contains a pointer to the +// full animation. +struct _GdkPixbufJxlAnimationIter { + GdkPixbufAnimationIter parent_instance; + GdkPixbufJxlAnimation *animation; + size_t current_frame; + uint64_t time_offset; +}; + +#define GDK_TYPE_PIXBUF_JXL_ANIMATION_ITER \ + (gdk_pixbuf_jxl_animation_iter_get_type()) +G_DECLARE_FINAL_TYPE(GdkPixbufJxlAnimationIter, gdk_pixbuf_jxl_animation_iter, + GDK, JXL_ANIMATION_ITER, GdkPixbufAnimationIter); +G_DEFINE_TYPE(GdkPixbufJxlAnimationIter, gdk_pixbuf_jxl_animation_iter, + GDK_TYPE_PIXBUF_ANIMATION_ITER); + +static void gdk_pixbuf_jxl_animation_init(GdkPixbufJxlAnimation *obj) { + // Suppress "unused function" warnings. + (void)glib_autoptr_cleanup_GdkPixbufJxlAnimation; + (void)GDK_JXL_ANIMATION; + (void)GDK_IS_JXL_ANIMATION; +} + +static gboolean gdk_pixbuf_jxl_animation_is_static_image( + GdkPixbufAnimation *anim) { + GdkPixbufJxlAnimation *jxl_anim = (GdkPixbufJxlAnimation *)anim; + return !jxl_anim->has_animation; +} + +static GdkPixbuf *gdk_pixbuf_jxl_animation_get_static_image( + GdkPixbufAnimation *anim) { + GdkPixbufJxlAnimation *jxl_anim = (GdkPixbufJxlAnimation *)anim; + if (jxl_anim->frames == NULL || jxl_anim->frames->len == 0) return NULL; + GdkPixbufJxlAnimationFrame *frame = + &g_array_index(jxl_anim->frames, GdkPixbufJxlAnimationFrame, 0); + return frame->decoded ? frame->data : NULL; +} + +static void gdk_pixbuf_jxl_animation_get_size(GdkPixbufAnimation *anim, + int *width, int *height) { + GdkPixbufJxlAnimation *jxl_anim = (GdkPixbufJxlAnimation *)anim; + if (width) *width = jxl_anim->xsize; + if (height) *height = jxl_anim->ysize; +} + +G_GNUC_BEGIN_IGNORE_DEPRECATIONS +static gboolean gdk_pixbuf_jxl_animation_iter_advance( + GdkPixbufAnimationIter *iter, const GTimeVal *current_time); + +static GdkPixbufAnimationIter *gdk_pixbuf_jxl_animation_get_iter( + GdkPixbufAnimation *anim, const GTimeVal *start_time) { + GdkPixbufJxlAnimationIter *iter = + g_object_new(GDK_TYPE_PIXBUF_JXL_ANIMATION_ITER, NULL); + iter->animation = (GdkPixbufJxlAnimation *)anim; + iter->time_offset = start_time->tv_sec * 1000ULL + start_time->tv_usec / 1000; + g_object_ref(iter->animation); + gdk_pixbuf_jxl_animation_iter_advance((GdkPixbufAnimationIter *)iter, + start_time); + return (GdkPixbufAnimationIter *)iter; +} +G_GNUC_END_IGNORE_DEPRECATIONS + +static void gdk_pixbuf_jxl_animation_finalize(GObject *obj) { + GdkPixbufJxlAnimation *decoder_state = (GdkPixbufJxlAnimation *)obj; + if (decoder_state->frames != NULL) { + for (size_t i = 0; i < decoder_state->frames->len; i++) { + g_object_unref( + g_array_index(decoder_state->frames, GdkPixbufJxlAnimationFrame, i) + .data); + } + g_array_free(decoder_state->frames, /*free_segment=*/TRUE); + } + JxlResizableParallelRunnerDestroy(decoder_state->parallel_runner); + JxlDecoderDestroy(decoder_state->decoder); + cmsDeleteTransform(decoder_state->transform); + cmsCloseProfile(decoder_state->srgb); + cmsCloseProfile(decoder_state->profile); + cmsDeleteContext(decoder_state->context); + g_free(decoder_state->icc_buff); +} + +static void gdk_pixbuf_jxl_animation_class_init( + GdkPixbufJxlAnimationClass *klass) { + G_OBJECT_CLASS(klass)->finalize = gdk_pixbuf_jxl_animation_finalize; + klass->parent_class.is_static_image = + gdk_pixbuf_jxl_animation_is_static_image; + klass->parent_class.get_static_image = + gdk_pixbuf_jxl_animation_get_static_image; + klass->parent_class.get_size = gdk_pixbuf_jxl_animation_get_size; + klass->parent_class.get_iter = gdk_pixbuf_jxl_animation_get_iter; +} + +static void gdk_pixbuf_jxl_animation_iter_init(GdkPixbufJxlAnimationIter *obj) { + (void)glib_autoptr_cleanup_GdkPixbufJxlAnimationIter; + (void)GDK_JXL_ANIMATION_ITER; + (void)GDK_IS_JXL_ANIMATION_ITER; +} + +static int gdk_pixbuf_jxl_animation_iter_get_delay_time( + GdkPixbufAnimationIter *iter) { + GdkPixbufJxlAnimationIter *jxl_iter = (GdkPixbufJxlAnimationIter *)iter; + if (jxl_iter->animation->frames->len <= jxl_iter->current_frame) { + return 0; + } + return g_array_index(jxl_iter->animation->frames, GdkPixbufJxlAnimationFrame, + jxl_iter->current_frame) + .duration_ms; +} + +static GdkPixbuf *gdk_pixbuf_jxl_animation_iter_get_pixbuf( + GdkPixbufAnimationIter *iter) { + GdkPixbufJxlAnimationIter *jxl_iter = (GdkPixbufJxlAnimationIter *)iter; + if (jxl_iter->animation->frames->len <= jxl_iter->current_frame) { + return NULL; + } + return g_array_index(jxl_iter->animation->frames, GdkPixbufJxlAnimationFrame, + jxl_iter->current_frame) + .data; +} + +static gboolean gdk_pixbuf_jxl_animation_iter_on_currently_loading_frame( + GdkPixbufAnimationIter *iter) { + GdkPixbufJxlAnimationIter *jxl_iter = (GdkPixbufJxlAnimationIter *)iter; + if (jxl_iter->animation->frames->len <= jxl_iter->current_frame) { + return TRUE; + } + return !g_array_index(jxl_iter->animation->frames, GdkPixbufJxlAnimationFrame, + jxl_iter->current_frame) + .decoded; +} + +G_GNUC_BEGIN_IGNORE_DEPRECATIONS +static gboolean gdk_pixbuf_jxl_animation_iter_advance( + GdkPixbufAnimationIter *iter, const GTimeVal *current_time) { + GdkPixbufJxlAnimationIter *jxl_iter = (GdkPixbufJxlAnimationIter *)iter; + size_t old_frame = jxl_iter->current_frame; + + uint64_t current_time_ms = current_time->tv_sec * 1000ULL + + current_time->tv_usec / 1000 - + jxl_iter->time_offset; + + if (jxl_iter->animation->frames->len == 0) { + jxl_iter->current_frame = 0; + } else if (!jxl_iter->animation->done && + current_time_ms >= jxl_iter->animation->total_duration_ms) { + jxl_iter->current_frame = jxl_iter->animation->frames->len - 1; + } else if (jxl_iter->animation->repetition_count != 0 && + current_time_ms > jxl_iter->animation->repetition_count * + jxl_iter->animation->total_duration_ms) { + jxl_iter->current_frame = jxl_iter->animation->frames->len - 1; + } else { + uint64_t total_duration_ms = jxl_iter->animation->total_duration_ms; + // Guard against divide-by-0 in malicious files. + if (total_duration_ms == 0) total_duration_ms = 1; + uint64_t loop_offset = current_time_ms % total_duration_ms; + jxl_iter->current_frame = 0; + while (TRUE) { + uint64_t duration = + g_array_index(jxl_iter->animation->frames, GdkPixbufJxlAnimationFrame, + jxl_iter->current_frame) + .duration_ms; + if (duration >= loop_offset) { + break; + } + loop_offset -= duration; + jxl_iter->current_frame++; + } + } + + return old_frame != jxl_iter->current_frame; +} +G_GNUC_END_IGNORE_DEPRECATIONS + +static void gdk_pixbuf_jxl_animation_iter_finalize(GObject *obj) { + GdkPixbufJxlAnimationIter *iter = (GdkPixbufJxlAnimationIter *)obj; + g_object_unref(iter->animation); +} + +static void gdk_pixbuf_jxl_animation_iter_class_init( + GdkPixbufJxlAnimationIterClass *klass) { + G_OBJECT_CLASS(klass)->finalize = gdk_pixbuf_jxl_animation_iter_finalize; + klass->parent_class.get_delay_time = + gdk_pixbuf_jxl_animation_iter_get_delay_time; + klass->parent_class.get_pixbuf = gdk_pixbuf_jxl_animation_iter_get_pixbuf; + klass->parent_class.on_currently_loading_frame = + gdk_pixbuf_jxl_animation_iter_on_currently_loading_frame; + klass->parent_class.advance = gdk_pixbuf_jxl_animation_iter_advance; +} + +G_END_DECLS + +static gpointer begin_load(GdkPixbufModuleSizeFunc size_func, + GdkPixbufModulePreparedFunc prepare_func, + GdkPixbufModuleUpdatedFunc update_func, + gpointer user_data, GError **error) { + GdkPixbufJxlAnimation *decoder_state = + g_object_new(GDK_TYPE_PIXBUF_JXL_ANIMATION, NULL); + if (decoder_state == NULL) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Creation of the animation state failed"); + return NULL; + } + decoder_state->image_size_callback = size_func; + decoder_state->pixbuf_prepared_callback = prepare_func; + decoder_state->area_updated_callback = update_func; + decoder_state->user_data = user_data; + decoder_state->frames = + g_array_new(/*zero_terminated=*/FALSE, /*clear_=*/TRUE, + sizeof(GdkPixbufJxlAnimationFrame)); + + if (decoder_state->frames == NULL) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Creation of the frame array failed"); + goto cleanup; + } + + if (!(decoder_state->parallel_runner = + JxlResizableParallelRunnerCreate(NULL))) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Creation of the JXL parallel runner failed"); + goto cleanup; + } + + if (!(decoder_state->decoder = JxlDecoderCreate(NULL))) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Creation of the JXL decoder failed"); + goto cleanup; + } + + JxlDecoderStatus status; + + if ((status = JxlDecoderSetParallelRunner( + decoder_state->decoder, JxlResizableParallelRunner, + decoder_state->parallel_runner)) != JXL_DEC_SUCCESS) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JxlDecoderSetParallelRunner failed: %x", status); + goto cleanup; + } + if ((status = JxlDecoderSubscribeEvents( + decoder_state->decoder, JXL_DEC_BASIC_INFO | JXL_DEC_COLOR_ENCODING | + JXL_DEC_FULL_IMAGE | JXL_DEC_FRAME)) != + JXL_DEC_SUCCESS) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JxlDecoderSubscribeEvents failed: %x", status); + goto cleanup; + } + + decoder_state->pixel_format.data_type = JXL_TYPE_FLOAT; + decoder_state->pixel_format.endianness = JXL_NATIVE_ENDIAN; + + return decoder_state; +cleanup: + JxlResizableParallelRunnerDestroy(decoder_state->parallel_runner); + JxlDecoderDestroy(decoder_state->decoder); + g_object_unref(decoder_state); + return NULL; +} + +static gboolean stop_load(gpointer context, GError **error) { + g_object_unref(context); + return TRUE; +} + +static void draw_pixels(void *context, size_t x, size_t y, size_t num_pixels, + const void *pixels) { + GdkPixbufJxlAnimation *decoder_state = context; + + GdkPixbuf *output = + g_array_index(decoder_state->frames, GdkPixbufJxlAnimationFrame, + decoder_state->frames->len - 1) + .data; + + guchar *dst = gdk_pixbuf_get_pixels(output) + + decoder_state->pixel_format.num_channels * x + + gdk_pixbuf_get_rowstride(output) * y; + + cmsDoTransform(decoder_state->transform, pixels, dst, num_pixels); +} + +static gboolean load_increment(gpointer context, const guchar *buf, guint size, + GError **error) { + GdkPixbufJxlAnimation *decoder_state = context; + if (decoder_state->done == TRUE) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JXL decoder load_increment called after end of file"); + return FALSE; + } + + JxlDecoderStatus status; + + if ((status = JxlDecoderSetInput(decoder_state->decoder, buf, size)) != + JXL_DEC_SUCCESS) { + // Should never happen if things are done properly. + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JXL decoder logic error: %x", status); + return FALSE; + } + + for (;;) { + status = JxlDecoderProcessInput(decoder_state->decoder); + switch (status) { + case JXL_DEC_NEED_MORE_INPUT: { + JxlDecoderReleaseInput(decoder_state->decoder); + return TRUE; + } + + case JXL_DEC_BASIC_INFO: { + JxlBasicInfo info; + if (JxlDecoderGetBasicInfo(decoder_state->decoder, &info) != + JXL_DEC_SUCCESS) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JXLDecoderGetBasicInfo failed"); + return FALSE; + } + decoder_state->pixel_format.num_channels = info.alpha_bits > 0 ? 4 : 3; + decoder_state->alpha_premultiplied = info.alpha_premultiplied; + decoder_state->xsize = info.xsize; + decoder_state->ysize = info.ysize; + decoder_state->has_animation = info.have_animation; + decoder_state->has_alpha = info.alpha_bits > 0; + if (info.have_animation) { + decoder_state->repetition_count = info.animation.num_loops; + decoder_state->tick_duration_us = 1000000ULL * + info.animation.tps_denominator / + info.animation.tps_numerator; + } + gint width = info.xsize; + gint height = info.ysize; + if (decoder_state->image_size_callback) { + decoder_state->image_size_callback(&width, &height, + decoder_state->user_data); + } + + // GDK convention for signaling being interested only in the basic info. + if (width == 0 || height == 0) { + decoder_state->done = TRUE; + return TRUE; + } + + // Set an appropriate number of threads for the image size. + JxlResizableParallelRunnerSetThreads( + decoder_state->parallel_runner, + JxlResizableParallelRunnerSuggestThreads(info.xsize, info.ysize)); + break; + } + + case JXL_DEC_COLOR_ENCODING: { + // Get the ICC color profile of the pixel data + size_t icc_size; + if (JXL_DEC_SUCCESS != JxlDecoderGetICCProfileSize( + decoder_state->decoder, + &decoder_state->pixel_format, + JXL_COLOR_PROFILE_TARGET_DATA, &icc_size)) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JxlDecoderGetICCProfileSize failed"); + return FALSE; + } + if (!(decoder_state->icc_buff = g_malloc(icc_size))) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Allocating ICC profile failed"); + return FALSE; + } + if (JXL_DEC_SUCCESS != + JxlDecoderGetColorAsICCProfile(decoder_state->decoder, + &decoder_state->pixel_format, + JXL_COLOR_PROFILE_TARGET_DATA, + decoder_state->icc_buff, icc_size)) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JxlDecoderGetColorAsICCProfile failed"); + return FALSE; + } + decoder_state->context = cmsCreateContext(NULL, NULL); + if (!decoder_state->context) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Failed to create LCMS2 context"); + return FALSE; + } + decoder_state->profile = cmsOpenProfileFromMemTHR( + decoder_state->context, decoder_state->icc_buff, icc_size); + if (!decoder_state->profile) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Invalid ICC profile from JXL image decoder"); + return FALSE; + } + decoder_state->srgb = cmsCreate_sRGBProfileTHR(decoder_state->context); + if (!decoder_state->srgb) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Failed to create sRGB profile"); + return FALSE; + } + decoder_state->transform = cmsCreateTransformTHR( + decoder_state->context, decoder_state->profile, + decoder_state->has_alpha ? TYPE_RGBA_FLT : TYPE_RGB_FLT, + decoder_state->srgb, + decoder_state->has_alpha ? TYPE_RGBA_8 : TYPE_RGB_8, + INTENT_RELATIVE_COLORIMETRIC, cmsFLAGS_COPY_ALPHA); + if (!decoder_state->transform) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Failed to create LCMS2 color transform"); + return FALSE; + } + + break; + } + + case JXL_DEC_FRAME: { + // TODO(veluca): support rescaling. + JxlFrameHeader frame_header; + if (JxlDecoderGetFrameHeader(decoder_state->decoder, &frame_header) != + JXL_DEC_SUCCESS) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Failed to retrieve frame info"); + return FALSE; + } + + { + GdkPixbufJxlAnimationFrame frame; + frame.decoded = FALSE; + frame.duration_ms = + frame_header.duration * decoder_state->tick_duration_us / 1000; + decoder_state->total_duration_ms += frame.duration_ms; + frame.data = + gdk_pixbuf_new(GDK_COLORSPACE_RGB, decoder_state->has_alpha, + /*bits_per_sample=*/8, decoder_state->xsize, + decoder_state->ysize); + if (frame.data == NULL) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Failed to allocate output pixel buffer"); + return FALSE; + } + decoder_state->pixel_format.align = + gdk_pixbuf_get_rowstride(frame.data); + g_array_append_val(decoder_state->frames, frame); + } + if (decoder_state->pixbuf_prepared_callback && + decoder_state->frames->len == 1) { + decoder_state->pixbuf_prepared_callback( + g_array_index(decoder_state->frames, GdkPixbufJxlAnimationFrame, + 0) + .data, + decoder_state->has_animation ? (GdkPixbufAnimation *)decoder_state + : NULL, + decoder_state->user_data); + } + break; + } + + case JXL_DEC_NEED_IMAGE_OUT_BUFFER: { + if (JXL_DEC_SUCCESS != + JxlDecoderSetImageOutCallback(decoder_state->decoder, + &decoder_state->pixel_format, + draw_pixels, decoder_state)) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JxlDecoderSetImageOutCallback failed"); + return FALSE; + } + break; + } + + case JXL_DEC_FULL_IMAGE: { + // TODO(veluca): consider doing partial updates. + if (decoder_state->area_updated_callback) { + GdkPixbuf *output = g_array_index(decoder_state->frames, + GdkPixbufJxlAnimationFrame, 0) + .data; + decoder_state->area_updated_callback( + output, 0, 0, gdk_pixbuf_get_width(output), + gdk_pixbuf_get_height(output), decoder_state->user_data); + } + g_array_index(decoder_state->frames, GdkPixbufJxlAnimationFrame, + decoder_state->frames->len - 1) + .decoded = TRUE; + break; + } + + case JXL_DEC_SUCCESS: { + decoder_state->done = TRUE; + return TRUE; + } + + default: { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Unexpected JxlDecoderProcessInput return code: %x", + status); + return FALSE; + } + } + } + return TRUE; +} + +static gboolean jxl_is_save_option_supported(const gchar *option_key) { + if (g_strcmp0(option_key, "quality") == 0) { + return TRUE; + } + + return FALSE; +} + +static gboolean jxl_image_saver(FILE *f, GdkPixbuf *pixbuf, gchar **keys, + gchar **values, GError **error) { + long quality = 90; /* default; must be between 0 and 100 */ + double distance; + gboolean save_alpha; + JxlEncoder *encoder; + void *parallel_runner; + JxlEncoderFrameSettings *frame_settings; + JxlBasicInfo output_info; + JxlPixelFormat pixel_format; + JxlColorEncoding color_profile; + JxlEncoderStatus status; + + GByteArray *compressed; + size_t offset = 0; + uint8_t *next_out; + size_t avail_out; + + if (f == NULL || pixbuf == NULL) { + return FALSE; + } + + if (keys && *keys) { + gchar **kiter = keys; + gchar **viter = values; + + while (*kiter) { + if (strcmp(*kiter, "quality") == 0) { + char *endptr = NULL; + quality = strtol(*viter, &endptr, 10); + + if (endptr == *viter) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_BAD_OPTION, + "JXL quality must be a value between 0 and 100; value " + "\"%s\" could not be parsed.", + *viter); + + return FALSE; + } + + if (quality < 0 || quality > 100) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_BAD_OPTION, + "JXL quality must be a value between 0 and 100; value " + "\"%ld\" is not allowed.", + quality); + + return FALSE; + } + } else { + g_warning("Unrecognized parameter (%s) passed to JXL saver.", *kiter); + } + + ++kiter; + ++viter; + } + } + + if (gdk_pixbuf_get_bits_per_sample(pixbuf) != 8) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_UNKNOWN_TYPE, + "Sorry, only 8bit images are supported by this JXL saver"); + return FALSE; + } + + JxlEncoderInitBasicInfo(&output_info); + output_info.have_container = JXL_FALSE; + output_info.xsize = gdk_pixbuf_get_width(pixbuf); + output_info.ysize = gdk_pixbuf_get_height(pixbuf); + output_info.bits_per_sample = 8; + output_info.orientation = JXL_ORIENT_IDENTITY; + output_info.num_color_channels = 3; + + if (output_info.xsize == 0 || output_info.ysize == 0) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_CORRUPT_IMAGE, + "Empty image, nothing to save"); + return FALSE; + } + + save_alpha = gdk_pixbuf_get_has_alpha(pixbuf); + + pixel_format.data_type = JXL_TYPE_UINT8; + pixel_format.endianness = JXL_NATIVE_ENDIAN; + pixel_format.align = gdk_pixbuf_get_rowstride(pixbuf); + + if (save_alpha) { + if (gdk_pixbuf_get_n_channels(pixbuf) != 4) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_UNKNOWN_TYPE, + "Unsupported number of channels"); + return FALSE; + } + + output_info.num_extra_channels = 1; + output_info.alpha_bits = 8; + pixel_format.num_channels = 4; + } else { + if (gdk_pixbuf_get_n_channels(pixbuf) != 3) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_UNKNOWN_TYPE, + "Unsupported number of channels"); + return FALSE; + } + + output_info.num_extra_channels = 0; + output_info.alpha_bits = 0; + pixel_format.num_channels = 3; + } + + encoder = JxlEncoderCreate(NULL); + if (!encoder) { + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Creation of the JXL encoder failed"); + return FALSE; + } + + parallel_runner = JxlResizableParallelRunnerCreate(NULL); + if (!parallel_runner) { + JxlEncoderDestroy(encoder); + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "Creation of the JXL decoder failed"); + return FALSE; + } + + JxlResizableParallelRunnerSetThreads( + parallel_runner, JxlResizableParallelRunnerSuggestThreads( + output_info.xsize, output_info.ysize)); + + status = JxlEncoderSetParallelRunner(encoder, JxlResizableParallelRunner, + parallel_runner); + if (status != JXL_ENC_SUCCESS) { + JxlResizableParallelRunnerDestroy(parallel_runner); + JxlEncoderDestroy(encoder); + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JxlDecoderSetParallelRunner failed: %x", status); + return FALSE; + } + + if (quality > 99) { + output_info.uses_original_profile = JXL_TRUE; + distance = 0; + } else { + output_info.uses_original_profile = JXL_FALSE; + if (quality >= 30) { + distance = 0.1 + (100 - quality) * 0.09; + } else { + distance = + 53.0 / 3000.0 * quality * quality - 23.0 / 20.0 * quality + 25.0; + } + } + + status = JxlEncoderSetBasicInfo(encoder, &output_info); + if (status != JXL_ENC_SUCCESS) { + JxlResizableParallelRunnerDestroy(parallel_runner); + JxlEncoderDestroy(encoder); + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JxlEncoderSetBasicInfo failed: %x", status); + return FALSE; + } + + JxlColorEncodingSetToSRGB(&color_profile, JXL_FALSE); + status = JxlEncoderSetColorEncoding(encoder, &color_profile); + if (status != JXL_ENC_SUCCESS) { + JxlResizableParallelRunnerDestroy(parallel_runner); + JxlEncoderDestroy(encoder); + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JxlEncoderSetColorEncoding failed: %x", status); + return FALSE; + } + + frame_settings = JxlEncoderFrameSettingsCreate(encoder, NULL); + JxlEncoderSetFrameDistance(frame_settings, distance); + JxlEncoderSetFrameLossless(frame_settings, output_info.uses_original_profile); + + status = JxlEncoderAddImageFrame(frame_settings, &pixel_format, + gdk_pixbuf_read_pixels(pixbuf), + gdk_pixbuf_get_byte_length(pixbuf)); + if (status != JXL_ENC_SUCCESS) { + JxlResizableParallelRunnerDestroy(parallel_runner); + JxlEncoderDestroy(encoder); + g_set_error(error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED, + "JxlEncoderAddImageFrame failed: %x", status); + return FALSE; + } + + JxlEncoderCloseInput(encoder); + + compressed = g_byte_array_sized_new(4096); + g_byte_array_set_size(compressed, 4096); + do { + next_out = compressed->data + offset; + avail_out = compressed->len - offset; + status = JxlEncoderProcessOutput(encoder, &next_out, &avail_out); + + if (status == JXL_ENC_NEED_MORE_OUTPUT) { + offset = next_out - compressed->data; + g_byte_array_set_size(compressed, compressed->len * 2); + } else if (status == JXL_ENC_ERROR) { + JxlResizableParallelRunnerDestroy(parallel_runner); + JxlEncoderDestroy(encoder); + g_set_error(error, G_FILE_ERROR, 0, "JxlEncoderProcessOutput failed: %x", + status); + return FALSE; + } + } while (status != JXL_ENC_SUCCESS); + + JxlResizableParallelRunnerDestroy(parallel_runner); + JxlEncoderDestroy(encoder); + + g_byte_array_set_size(compressed, next_out - compressed->data); + if (compressed->len > 0) { + fwrite(compressed->data, 1, compressed->len, f); + g_byte_array_free(compressed, TRUE); + return TRUE; + } + + return FALSE; +} + +void fill_vtable(GdkPixbufModule *module) { + module->begin_load = begin_load; + module->stop_load = stop_load; + module->load_increment = load_increment; + module->is_save_option_supported = jxl_is_save_option_supported; + module->save = jxl_image_saver; +} + +void fill_info(GdkPixbufFormat *info) { + static GdkPixbufModulePattern signature[] = { + {"\xFF\x0A", " ", 100}, + {"...\x0CJXL \x0D\x0A\x87\x0A", "zzz ", 100}, + {NULL, NULL, 0}, + }; + + static gchar *mime_types[] = {"image/jxl", NULL}; + + static gchar *extensions[] = {"jxl", NULL}; + + info->name = "jxl"; + info->signature = signature; + info->description = "JPEG XL image"; + info->mime_types = mime_types; + info->extensions = extensions; + info->flags = GDK_PIXBUF_FORMAT_WRITABLE | GDK_PIXBUF_FORMAT_THREADSAFE; + info->license = "BSD-3"; +} diff --git a/third_party/jpeg-xl/plugins/gdk-pixbuf/pixbufloader_test.cc b/third_party/jpeg-xl/plugins/gdk-pixbuf/pixbufloader_test.cc new file mode 100644 index 0000000000..5e5642d491 --- /dev/null +++ b/third_party/jpeg-xl/plugins/gdk-pixbuf/pixbufloader_test.cc @@ -0,0 +1,41 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <gdk/gdk.h> +#include <glib.h> +#include <stdlib.h> + +int main(int argc, char* argv[]) { + if (argc != 3) { + fprintf(stderr, "Usage: %s <loaders.cache> <image.jxl>\n", argv[0]); + return 1; + } + + const char* loaders_cache = argv[1]; + const char* filename = argv[2]; + setenv("GDK_PIXBUF_MODULE_FILE", loaders_cache, true); + + // XDG_DATA_HOME is the path where we look for the mime cache. + // XDG_DATA_DIRS directories are used in addition to XDG_DATA_HOME. + setenv("XDG_DATA_HOME", ".", true); + setenv("XDG_DATA_DIRS", "", true); + + if (!gdk_init_check(nullptr, nullptr)) { + fprintf(stderr, "This test requires a DISPLAY\n"); + // Signals ctest that we should mark this test as skipped. + return 254; + } + GError* error = nullptr; + GdkPixbuf* pb = gdk_pixbuf_new_from_file(filename, &error); + if (pb != nullptr) { + g_object_unref(pb); + return 0; + } else { + fprintf(stderr, "Error loading file: %s\n", filename); + g_assert_no_error(error); + return 1; + } +} diff --git a/third_party/jpeg-xl/plugins/gimp/CMakeLists.txt b/third_party/jpeg-xl/plugins/gimp/CMakeLists.txt new file mode 100644 index 0000000000..f0a49005ed --- /dev/null +++ b/third_party/jpeg-xl/plugins/gimp/CMakeLists.txt @@ -0,0 +1,28 @@ +# Copyright (c) the JPEG XL Project Authors. All rights reserved. +# +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +find_package(PkgConfig) +pkg_check_modules(Gimp IMPORTED_TARGET gimp-2.0>=2.10 gimpui-2.0>=2.10) + +if (NOT Gimp_FOUND) + message(WARNING "Gimp development libraries not found, the Gimp plugin will not be built") + return () +endif () + +add_executable(file-jxl WIN32 + common.h + common.cc + file-jxl-load.cc + file-jxl-load.h + file-jxl-save.cc + file-jxl-save.h + file-jxl.cc) +target_link_libraries(file-jxl jxl jxl_threads PkgConfig::Gimp) + +target_include_directories(file-jxl PUBLIC + ${PROJECT_SOURCE_DIR}) # for plugins/gimp absolute paths. + +pkg_get_variable(GIMP_LIB_DIR gimp-2.0 gimplibdir) +install(TARGETS file-jxl RUNTIME DESTINATION "${GIMP_LIB_DIR}/plug-ins/file-jxl/") diff --git a/third_party/jpeg-xl/plugins/gimp/common.cc b/third_party/jpeg-xl/plugins/gimp/common.cc new file mode 100644 index 0000000000..1a884570cb --- /dev/null +++ b/third_party/jpeg-xl/plugins/gimp/common.cc @@ -0,0 +1,27 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "plugins/gimp/common.h" + +namespace jxl { + +JpegXlGimpProgress::JpegXlGimpProgress(const char *message) { + cur_progress = 0; + max_progress = 100; + + gimp_progress_init_printf("%s\n", message); +} + +void JpegXlGimpProgress::update() { + gimp_progress_update((float)++cur_progress / (float)max_progress); + return; +} + +void JpegXlGimpProgress::finished() { + gimp_progress_update(1.0); + return; +} + +} // namespace jxl diff --git a/third_party/jpeg-xl/plugins/gimp/common.h b/third_party/jpeg-xl/plugins/gimp/common.h new file mode 100644 index 0000000000..3fe63c1a47 --- /dev/null +++ b/third_party/jpeg-xl/plugins/gimp/common.h @@ -0,0 +1,45 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#ifndef PLUGINS_GIMP_COMMON_H_ +#define PLUGINS_GIMP_COMMON_H_ + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> +#include <math.h> + +#include <fstream> +#include <iterator> +#include <string> +#include <vector> + +#define PLUG_IN_BINARY "file-jxl" +#define SAVE_PROC "file-jxl-save" + +// Defined by both FUIF and glib. +#undef MAX +#undef MIN +#undef CLAMP + +#include <jxl/resizable_parallel_runner.h> +#include <jxl/resizable_parallel_runner_cxx.h> + +namespace jxl { + +class JpegXlGimpProgress { + public: + explicit JpegXlGimpProgress(const char *message); + void update(); + void finished(); + + private: + int cur_progress; + int max_progress; + +}; // class JpegXlGimpProgress + +} // namespace jxl + +#endif // PLUGINS_GIMP_COMMON_H_ diff --git a/third_party/jpeg-xl/plugins/gimp/file-jxl-load.cc b/third_party/jpeg-xl/plugins/gimp/file-jxl-load.cc new file mode 100644 index 0000000000..361a74920c --- /dev/null +++ b/third_party/jpeg-xl/plugins/gimp/file-jxl-load.cc @@ -0,0 +1,487 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "plugins/gimp/file-jxl-load.h" + +#include <jxl/decode.h> +#include <jxl/decode_cxx.h> + +#define _PROFILE_ORIGIN_ JXL_COLOR_PROFILE_TARGET_ORIGINAL +#define _PROFILE_TARGET_ JXL_COLOR_PROFILE_TARGET_DATA +#define LOAD_PROC "file-jxl-load" + +namespace jxl { + +bool SetJpegXlOutBuffer( + std::unique_ptr<JxlDecoderStruct, JxlDecoderDestroyStruct> *dec, + JxlPixelFormat *format, size_t *buffer_size, gpointer *pixels_buffer_1) { + if (JXL_DEC_SUCCESS != + JxlDecoderImageOutBufferSize(dec->get(), format, buffer_size)) { + g_printerr(LOAD_PROC " Error: JxlDecoderImageOutBufferSize failed\n"); + return false; + } + *pixels_buffer_1 = g_malloc(*buffer_size); + if (JXL_DEC_SUCCESS != JxlDecoderSetImageOutBuffer(dec->get(), format, + *pixels_buffer_1, + *buffer_size)) { + g_printerr(LOAD_PROC " Error: JxlDecoderSetImageOutBuffer failed\n"); + return false; + } + return true; +} + +bool LoadJpegXlImage(const gchar *const filename, gint32 *const image_id) { + bool stop_processing = false; + JxlDecoderStatus status = JXL_DEC_NEED_MORE_INPUT; + std::vector<uint8_t> icc_profile; + GimpColorProfile *profile_icc = nullptr; + GimpColorProfile *profile_int = nullptr; + bool is_linear = false; + unsigned long xsize = 0, ysize = 0; + long crop_x0 = 0, crop_y0 = 0; + size_t layer_idx = 0; + uint32_t frame_duration = 0; + double tps_denom = 1.f, tps_numer = 1.f; + + gint32 layer; + + gpointer pixels_buffer_1 = nullptr; + gpointer pixels_buffer_2 = nullptr; + size_t buffer_size = 0; + + GimpImageBaseType image_type = GIMP_RGB; + GimpImageType layer_type = GIMP_RGB_IMAGE; + GimpPrecision precision = GIMP_PRECISION_U16_GAMMA; + JxlBasicInfo info = {}; + JxlPixelFormat format = {}; + JxlAnimationHeader animation = {}; + JxlBlendMode blend_mode = JXL_BLEND_BLEND; + char *frame_name = nullptr; // will be realloced + size_t frame_name_len = 0; + + format.num_channels = 4; + format.data_type = JXL_TYPE_FLOAT; + format.endianness = JXL_NATIVE_ENDIAN; + format.align = 0; + + bool is_gray = false; + + JpegXlGimpProgress gimp_load_progress( + ("Opening JPEG XL file:" + std::string(filename)).c_str()); + gimp_load_progress.update(); + + // read file + std::ifstream instream(filename, std::ios::in | std::ios::binary); + std::vector<uint8_t> compressed((std::istreambuf_iterator<char>(instream)), + std::istreambuf_iterator<char>()); + instream.close(); + + gimp_load_progress.update(); + + // multi-threaded parallel runner. + auto runner = JxlResizableParallelRunnerMake(nullptr); + + auto dec = JxlDecoderMake(nullptr); + if (JXL_DEC_SUCCESS != + JxlDecoderSubscribeEvents( + dec.get(), JXL_DEC_BASIC_INFO | JXL_DEC_COLOR_ENCODING | + JXL_DEC_FULL_IMAGE | JXL_DEC_FRAME_PROGRESSION | + JXL_DEC_FRAME)) { + g_printerr(LOAD_PROC " Error: JxlDecoderSubscribeEvents failed\n"); + return false; + } + + if (JXL_DEC_SUCCESS != JxlDecoderSetParallelRunner(dec.get(), + JxlResizableParallelRunner, + runner.get())) { + g_printerr(LOAD_PROC " Error: JxlDecoderSetParallelRunner failed\n"); + return false; + } + // TODO: make this work with coalescing set to false, while handling frames + // with duration 0 and references to earlier frames correctly. + if (JXL_DEC_SUCCESS != JxlDecoderSetCoalescing(dec.get(), JXL_TRUE)) { + g_printerr(LOAD_PROC " Error: JxlDecoderSetCoalescing failed\n"); + return false; + } + + // grand decode loop... + JxlDecoderSetInput(dec.get(), compressed.data(), compressed.size()); + + if (JXL_DEC_SUCCESS != JxlDecoderSetProgressiveDetail( + dec.get(), JxlProgressiveDetail::kPasses)) { + g_printerr(LOAD_PROC " Error: JxlDecoderSetProgressiveDetail failed\n"); + return false; + } + + while (true) { + gimp_load_progress.update(); + + if (!stop_processing) status = JxlDecoderProcessInput(dec.get()); + + if (status == JXL_DEC_BASIC_INFO) { + if (JXL_DEC_SUCCESS != JxlDecoderGetBasicInfo(dec.get(), &info)) { + g_printerr(LOAD_PROC " Error: JxlDecoderGetBasicInfo failed\n"); + return false; + } + + xsize = info.xsize; + ysize = info.ysize; + if (info.have_animation) { + animation = info.animation; + tps_denom = animation.tps_denominator; + tps_numer = animation.tps_numerator; + } + + JxlResizableParallelRunnerSetThreads( + runner.get(), JxlResizableParallelRunnerSuggestThreads(xsize, ysize)); + } else if (status == JXL_DEC_COLOR_ENCODING) { + // check for ICC profile + size_t icc_size = 0; + JxlColorEncoding color_encoding; + if (JXL_DEC_SUCCESS != + JxlDecoderGetColorAsEncodedProfile( + dec.get(), &format, _PROFILE_ORIGIN_, &color_encoding)) { + // Attempt to load ICC profile when no internal color encoding + if (JXL_DEC_SUCCESS != JxlDecoderGetICCProfileSize(dec.get(), &format, + _PROFILE_ORIGIN_, + &icc_size)) { + g_printerr(LOAD_PROC + " Warning: JxlDecoderGetICCProfileSize failed\n"); + } + + if (icc_size > 0) { + icc_profile.resize(icc_size); + if (JXL_DEC_SUCCESS != JxlDecoderGetColorAsICCProfile( + dec.get(), &format, _PROFILE_ORIGIN_, + icc_profile.data(), icc_profile.size())) { + g_printerr(LOAD_PROC + " Warning: JxlDecoderGetColorAsICCProfile failed\n"); + } + + profile_icc = gimp_color_profile_new_from_icc_profile( + icc_profile.data(), icc_profile.size(), nullptr); + + if (profile_icc) { + is_linear = gimp_color_profile_is_linear(profile_icc); + g_printerr(LOAD_PROC " Info: Color profile is_linear = %d\n", + is_linear); + } else { + g_printerr(LOAD_PROC " Warning: Failed to read ICC profile.\n"); + } + } else { + g_printerr(LOAD_PROC " Warning: Empty ICC data.\n"); + } + } + + // Internal color profile detection... + if (JXL_DEC_SUCCESS == + JxlDecoderGetColorAsEncodedProfile( + dec.get(), &format, _PROFILE_TARGET_, &color_encoding)) { + g_printerr(LOAD_PROC " Info: Internal color encoding detected.\n"); + + // figure out linearity of internal profile + switch (color_encoding.transfer_function) { + case JXL_TRANSFER_FUNCTION_LINEAR: + is_linear = true; + break; + + case JXL_TRANSFER_FUNCTION_709: + case JXL_TRANSFER_FUNCTION_PQ: + case JXL_TRANSFER_FUNCTION_HLG: + case JXL_TRANSFER_FUNCTION_GAMMA: + case JXL_TRANSFER_FUNCTION_DCI: + case JXL_TRANSFER_FUNCTION_SRGB: + is_linear = false; + break; + + case JXL_TRANSFER_FUNCTION_UNKNOWN: + default: + if (profile_icc) { + g_printerr(LOAD_PROC + " Info: Unknown transfer function. " + "ICC profile is present."); + } else { + g_printerr(LOAD_PROC + " Info: Unknown transfer function. " + "No ICC profile present."); + } + break; + } + + switch (color_encoding.color_space) { + case JXL_COLOR_SPACE_RGB: + if (color_encoding.white_point == JXL_WHITE_POINT_D65 && + color_encoding.primaries == JXL_PRIMARIES_SRGB) { + if (is_linear) { + profile_int = gimp_color_profile_new_rgb_srgb_linear(); + } else { + profile_int = gimp_color_profile_new_rgb_srgb(); + } + } else if (!is_linear && + color_encoding.white_point == JXL_WHITE_POINT_D65 && + (color_encoding.primaries_green_xy[0] == 0.2100 || + color_encoding.primaries_green_xy[1] == 0.7100)) { + // Probably Adobe RGB + profile_int = gimp_color_profile_new_rgb_adobe(); + } else if (profile_icc) { + g_printerr(LOAD_PROC + " Info: Unknown RGB colorspace. " + "Using ICC profile.\n"); + } else { + g_printerr(LOAD_PROC + " Info: Unknown RGB colorspace. " + "Treating as sRGB.\n"); + if (is_linear) { + profile_int = gimp_color_profile_new_rgb_srgb_linear(); + } else { + profile_int = gimp_color_profile_new_rgb_srgb(); + } + } + break; + + case JXL_COLOR_SPACE_GRAY: + is_gray = true; + if (!profile_icc || + color_encoding.white_point == JXL_WHITE_POINT_D65) { + if (is_linear) { + profile_int = gimp_color_profile_new_d65_gray_linear(); + } else { + profile_int = gimp_color_profile_new_d65_gray_srgb_trc(); + } + } + break; + case JXL_COLOR_SPACE_XYB: + case JXL_COLOR_SPACE_UNKNOWN: + default: + if (profile_icc) { + g_printerr(LOAD_PROC + " Info: Unknown colorspace. Using ICC profile.\n"); + } else { + g_error( + LOAD_PROC + " Warning: Unknown colorspace. Treating as sRGB profile.\n"); + + if (is_linear) { + profile_int = gimp_color_profile_new_rgb_srgb_linear(); + } else { + profile_int = gimp_color_profile_new_rgb_srgb(); + } + } + break; + } + } + + // set pixel format + if (info.num_color_channels > 1) { + if (info.alpha_bits == 0) { + image_type = GIMP_RGB; + layer_type = GIMP_RGB_IMAGE; + format.num_channels = info.num_color_channels; + } else { + image_type = GIMP_RGB; + layer_type = GIMP_RGBA_IMAGE; + format.num_channels = info.num_color_channels + 1; + } + } else if (info.num_color_channels == 1) { + if (info.alpha_bits == 0) { + image_type = GIMP_GRAY; + layer_type = GIMP_GRAY_IMAGE; + format.num_channels = info.num_color_channels; + } else { + image_type = GIMP_GRAY; + layer_type = GIMP_GRAYA_IMAGE; + format.num_channels = info.num_color_channels + 1; + } + } + + // Set image bit depth and linearity + if (info.bits_per_sample <= 8) { + if (is_linear) { + precision = GIMP_PRECISION_U8_LINEAR; + } else { + precision = GIMP_PRECISION_U8_GAMMA; + } + } else if (info.bits_per_sample <= 16) { + if (info.exponent_bits_per_sample > 0) { + if (is_linear) { + precision = GIMP_PRECISION_HALF_LINEAR; + } else { + precision = GIMP_PRECISION_HALF_GAMMA; + } + } else if (is_linear) { + precision = GIMP_PRECISION_U16_LINEAR; + } else { + precision = GIMP_PRECISION_U16_GAMMA; + } + } else { + if (info.exponent_bits_per_sample > 0) { + if (is_linear) { + precision = GIMP_PRECISION_FLOAT_LINEAR; + } else { + precision = GIMP_PRECISION_FLOAT_GAMMA; + } + } else if (is_linear) { + precision = GIMP_PRECISION_U32_LINEAR; + } else { + precision = GIMP_PRECISION_U32_GAMMA; + } + } + + // create new image + if (is_linear) { + *image_id = gimp_image_new_with_precision(xsize, ysize, image_type, + GIMP_PRECISION_FLOAT_LINEAR); + } else { + *image_id = gimp_image_new_with_precision(xsize, ysize, image_type, + GIMP_PRECISION_FLOAT_GAMMA); + } + + if (profile_int) { + gimp_image_set_color_profile(*image_id, profile_int); + } else if (!profile_icc) { + g_printerr(LOAD_PROC " Warning: No color profile.\n"); + } + } else if (status == JXL_DEC_NEED_IMAGE_OUT_BUFFER) { + // get image from decoder in FLOAT + format.data_type = JXL_TYPE_FLOAT; + if (!SetJpegXlOutBuffer(&dec, &format, &buffer_size, &pixels_buffer_1)) + return false; + } else if (status == JXL_DEC_FULL_IMAGE) { + // create and insert layer + gchar *layer_name; + if (layer_idx == 0 && !info.have_animation) { + layer_name = g_strdup_printf("Background"); + } else { + const GString *blend_null_flag = g_string_new(""); + const GString *blend_replace_flag = g_string_new(" (replace)"); + const GString *blend_combine_flag = g_string_new(" (combine)"); + GString *blend; + if (blend_mode == JXL_BLEND_REPLACE) { + blend = (GString *)blend_replace_flag; + } else if (blend_mode == JXL_BLEND_BLEND) { + blend = (GString *)blend_combine_flag; + } else { + blend = (GString *)blend_null_flag; + } + char *temp_frame_name = nullptr; + bool must_free_frame_name = false; + if (frame_name_len == 0) { + temp_frame_name = g_strdup_printf("Frame %lu", layer_idx + 1); + must_free_frame_name = true; + } else { + temp_frame_name = frame_name; + } + double fduration = frame_duration * 1000.f * tps_denom / tps_numer; + layer_name = g_strdup_printf("%s (%.15gms)%s", temp_frame_name, + fduration, blend->str); + if (must_free_frame_name) free(temp_frame_name); + } + layer = gimp_layer_new(*image_id, layer_name, xsize, ysize, layer_type, + /*opacity=*/100, + gimp_image_get_default_new_layer_mode(*image_id)); + + gimp_image_insert_layer(*image_id, layer, /*parent_id=*/-1, + /*position=*/0); + + pixels_buffer_2 = g_malloc(buffer_size); + GeglBuffer *buffer = gimp_drawable_get_buffer(layer); + const Babl *destination_format = gegl_buffer_set_format(buffer, nullptr); + + std::string babl_format_str = ""; + if (is_gray) { + babl_format_str += "Y'"; + } else { + babl_format_str += "R'G'B'"; + } + if (info.alpha_bits > 0) { + babl_format_str += "A"; + } + babl_format_str += " float"; + + const Babl *source_format = babl_format(babl_format_str.c_str()); + + babl_process(babl_fish(source_format, destination_format), + pixels_buffer_1, pixels_buffer_2, xsize * ysize); + + gegl_buffer_set(buffer, GEGL_RECTANGLE(0, 0, xsize, ysize), 0, nullptr, + pixels_buffer_2, GEGL_AUTO_ROWSTRIDE); + gimp_item_transform_translate(layer, crop_x0, crop_y0); + + g_clear_object(&buffer); + g_free(pixels_buffer_1); + g_free(pixels_buffer_2); + if (stop_processing) status = JXL_DEC_SUCCESS; + g_free(layer_name); + layer_idx++; + } else if (status == JXL_DEC_FRAME) { + JxlFrameHeader frame_header; + if (JxlDecoderGetFrameHeader(dec.get(), &frame_header) != + JXL_DEC_SUCCESS) { + g_printerr(LOAD_PROC " Error: JxlDecoderSetImageOutBuffer failed\n"); + return false; + } + xsize = frame_header.layer_info.xsize; + ysize = frame_header.layer_info.ysize; + crop_x0 = frame_header.layer_info.crop_x0; + crop_y0 = frame_header.layer_info.crop_y0; + frame_duration = frame_header.duration; + blend_mode = frame_header.layer_info.blend_info.blendmode; + if (blend_mode != JXL_BLEND_BLEND && blend_mode != JXL_BLEND_REPLACE) { + g_printerr( + LOAD_PROC + " Warning: JxlDecoderGetFrameHeader: Unhandled blend mode: %d\n", + blend_mode); + } + if ((frame_name_len = frame_header.name_length) > 0) { + frame_name = (char *)realloc(frame_name, frame_name_len); + if (JXL_DEC_SUCCESS != + JxlDecoderGetFrameName(dec.get(), frame_name, frame_name_len)) { + g_printerr(LOAD_PROC "Error: JxlDecoderGetFrameName failed"); + return false; + }; + } + } else if (status == JXL_DEC_SUCCESS) { + // All decoding successfully finished. + // It's not required to call JxlDecoderReleaseInput(dec.get()) + // since the decoder will be destroyed. + break; + } else if (status == JXL_DEC_NEED_MORE_INPUT || + status == JXL_DEC_FRAME_PROGRESSION) { + stop_processing = status != JXL_DEC_FRAME_PROGRESSION; + if (JxlDecoderFlushImage(dec.get()) == JXL_DEC_SUCCESS) { + status = JXL_DEC_FULL_IMAGE; + continue; + } + g_printerr(LOAD_PROC " Error: Already provided all input\n"); + return false; + } else if (status == JXL_DEC_ERROR) { + g_printerr(LOAD_PROC " Error: Decoder error\n"); + return false; + } else { + g_printerr(LOAD_PROC " Error: Unknown decoder status\n"); + return false; + } + } // end grand decode loop + + gimp_load_progress.update(); + + if (profile_icc) { + gimp_image_set_color_profile(*image_id, profile_icc); + } + + gimp_load_progress.update(); + + // TODO(xiota): Add option to keep image as float + if (info.bits_per_sample < 32) { + gimp_image_convert_precision(*image_id, precision); + } + + gimp_image_set_filename(*image_id, filename); + + gimp_load_progress.finished(); + return true; +} + +} // namespace jxl diff --git a/third_party/jpeg-xl/plugins/gimp/file-jxl-load.h b/third_party/jpeg-xl/plugins/gimp/file-jxl-load.h new file mode 100644 index 0000000000..ef5b92fef6 --- /dev/null +++ b/third_party/jpeg-xl/plugins/gimp/file-jxl-load.h @@ -0,0 +1,17 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#ifndef PLUGINS_GIMP_FILE_JXL_LOAD_H_ +#define PLUGINS_GIMP_FILE_JXL_LOAD_H_ + +#include "plugins/gimp/common.h" + +namespace jxl { + +bool LoadJpegXlImage(const gchar* filename, gint32* image_id); + +} // namespace jxl + +#endif // PLUGINS_GIMP_FILE_JXL_LOAD_H_ diff --git a/third_party/jpeg-xl/plugins/gimp/file-jxl-save.cc b/third_party/jpeg-xl/plugins/gimp/file-jxl-save.cc new file mode 100644 index 0000000000..c1e1ebd9af --- /dev/null +++ b/third_party/jpeg-xl/plugins/gimp/file-jxl-save.cc @@ -0,0 +1,895 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "plugins/gimp/file-jxl-save.h" + +#include <jxl/encode.h> +#include <jxl/encode_cxx.h> + +#include <cmath> +#include <utility> + +#include "gobject/gsignal.h" + +#define PLUG_IN_BINARY "file-jxl" +#define SAVE_PROC "file-jxl-save" + +#define SCALE_WIDTH 200 + +namespace jxl { + +namespace { + +#ifndef g_clear_signal_handler +// g_clear_signal_handler was added in glib 2.62 +void g_clear_signal_handler(gulong* handler, gpointer instance) { + if (handler != nullptr && *handler != 0) { + g_signal_handler_disconnect(instance, *handler); + *handler = 0; + } +} +#endif // g_clear_signal_handler + +class JpegXlSaveOpts { + public: + float distance; + float quality; + + bool lossless = false; + bool is_linear = false; + bool has_alpha = false; + bool is_gray = false; + bool icc_attached = false; + + bool advanced_mode = false; + bool use_container = true; + bool save_exif = false; + int encoding_effort = 7; + int faster_decoding = 0; + + std::string babl_format_str = "RGB u16"; + std::string babl_type_str = "u16"; + std::string babl_model_str = "RGB"; + + JxlPixelFormat pixel_format; + JxlBasicInfo basic_info; + + // functions + JpegXlSaveOpts(); + + bool SetDistance(float dist); + bool SetQuality(float qual); + bool SetDimensions(int x, int y); + bool SetNumChannels(int channels); + + bool UpdateDistance(); + bool UpdateQuality(); + + bool SetModel(bool is_linear_); + + bool UpdateBablFormat(); + bool SetBablModel(std::string model); + bool SetBablType(std::string type); + + bool SetPrecision(int gimp_precision); + + private: +}; // class JpegXlSaveOpts + +JpegXlSaveOpts jxl_save_opts; + +class JpegXlSaveGui { + public: + bool SaveDialog(); + + private: + GtkWidget* toggle_lossless = nullptr; + GtkAdjustment* entry_distance = nullptr; + GtkAdjustment* entry_quality = nullptr; + GtkAdjustment* entry_effort = nullptr; + GtkAdjustment* entry_faster = nullptr; + GtkWidget* frame_advanced = nullptr; + GtkWidget* toggle_no_xyb = nullptr; + GtkWidget* toggle_raw = nullptr; + gulong handle_toggle_lossless = 0; + gulong handle_entry_quality = 0; + gulong handle_entry_distance = 0; + + static bool GuiOnChangeQuality(GtkAdjustment* adj_qual, void* this_pointer); + + static bool GuiOnChangeDistance(GtkAdjustment* adj_dist, void* this_pointer); + + static bool GuiOnChangeEffort(GtkAdjustment* adj_effort); + static bool GuiOnChangeLossless(GtkWidget* toggle, void* this_pointer); + static bool GuiOnChangeCodestream(GtkWidget* toggle); + static bool GuiOnChangeNoXYB(GtkWidget* toggle); + + static bool GuiOnChangeAdvancedMode(GtkWidget* toggle, void* this_pointer); +}; // class JpegXlSaveGui + +JpegXlSaveGui jxl_save_gui; + +bool JpegXlSaveGui::GuiOnChangeQuality(GtkAdjustment* adj_qual, + void* this_pointer) { + JpegXlSaveGui* self = static_cast<JpegXlSaveGui*>(this_pointer); + + g_clear_signal_handler(&self->handle_entry_distance, self->entry_distance); + g_clear_signal_handler(&self->handle_entry_quality, self->entry_quality); + g_clear_signal_handler(&self->handle_toggle_lossless, self->toggle_lossless); + + GtkAdjustment* adj_dist = self->entry_distance; + jxl_save_opts.SetQuality(gtk_adjustment_get_value(adj_qual)); + gtk_adjustment_set_value(adj_dist, jxl_save_opts.distance); + + self->handle_toggle_lossless = g_signal_connect( + self->toggle_lossless, "toggled", G_CALLBACK(GuiOnChangeLossless), self); + self->handle_entry_distance = + g_signal_connect(self->entry_distance, "value-changed", + G_CALLBACK(GuiOnChangeDistance), self); + self->handle_entry_quality = + g_signal_connect(self->entry_quality, "value-changed", + G_CALLBACK(GuiOnChangeQuality), self); + return true; +} + +bool JpegXlSaveGui::GuiOnChangeDistance(GtkAdjustment* adj_dist, + void* this_pointer) { + JpegXlSaveGui* self = static_cast<JpegXlSaveGui*>(this_pointer); + GtkAdjustment* adj_qual = self->entry_quality; + + g_clear_signal_handler(&self->handle_entry_distance, self->entry_distance); + g_clear_signal_handler(&self->handle_entry_quality, self->entry_quality); + g_clear_signal_handler(&self->handle_toggle_lossless, self->toggle_lossless); + + jxl_save_opts.SetDistance(gtk_adjustment_get_value(adj_dist)); + gtk_adjustment_set_value(adj_qual, jxl_save_opts.quality); + + if (!(jxl_save_opts.distance < 0.001)) { + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(self->toggle_lossless), + false); + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(self->toggle_no_xyb), false); + } + + self->handle_toggle_lossless = g_signal_connect( + self->toggle_lossless, "toggled", G_CALLBACK(GuiOnChangeLossless), self); + self->handle_entry_distance = + g_signal_connect(self->entry_distance, "value-changed", + G_CALLBACK(GuiOnChangeDistance), self); + self->handle_entry_quality = + g_signal_connect(self->entry_quality, "value-changed", + G_CALLBACK(GuiOnChangeQuality), self); + return true; +} + +bool JpegXlSaveGui::GuiOnChangeEffort(GtkAdjustment* adj_effort) { + float new_effort = 10 - gtk_adjustment_get_value(adj_effort); + jxl_save_opts.encoding_effort = new_effort; + return true; +} + +bool JpegXlSaveGui::GuiOnChangeLossless(GtkWidget* toggle, void* this_pointer) { + JpegXlSaveGui* self = static_cast<JpegXlSaveGui*>(this_pointer); + GtkAdjustment* adj_distance = self->entry_distance; + GtkAdjustment* adj_quality = self->entry_quality; + GtkAdjustment* adj_effort = self->entry_effort; + + jxl_save_opts.lossless = + gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(toggle)); + + g_clear_signal_handler(&self->handle_entry_distance, self->entry_distance); + g_clear_signal_handler(&self->handle_entry_quality, self->entry_quality); + g_clear_signal_handler(&self->handle_toggle_lossless, self->toggle_lossless); + + if (jxl_save_opts.lossless) { + gtk_adjustment_set_value(adj_quality, 100.0); + gtk_adjustment_set_value(adj_distance, 0.0); + jxl_save_opts.distance = 0; + jxl_save_opts.UpdateQuality(); + gtk_adjustment_set_value(adj_effort, 7); + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(self->toggle_no_xyb), true); + } else { + gtk_adjustment_set_value(adj_quality, 90.0); + gtk_adjustment_set_value(adj_distance, 1.0); + jxl_save_opts.distance = 1.0; + jxl_save_opts.UpdateQuality(); + gtk_adjustment_set_value(adj_effort, 3); + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(self->toggle_no_xyb), false); + } + self->handle_toggle_lossless = g_signal_connect( + self->toggle_lossless, "toggled", G_CALLBACK(GuiOnChangeLossless), self); + self->handle_entry_distance = + g_signal_connect(self->entry_distance, "value-changed", + G_CALLBACK(GuiOnChangeDistance), self); + self->handle_entry_quality = + g_signal_connect(self->entry_quality, "value-changed", + G_CALLBACK(GuiOnChangeQuality), self); + return true; +} + +bool JpegXlSaveGui::GuiOnChangeCodestream(GtkWidget* toggle) { + jxl_save_opts.use_container = + !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(toggle)); + return true; +} + +bool JpegXlSaveGui::GuiOnChangeNoXYB(GtkWidget* toggle) { + jxl_save_opts.basic_info.uses_original_profile = + gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(toggle)); + return true; +} + +bool JpegXlSaveGui::GuiOnChangeAdvancedMode(GtkWidget* toggle, + void* this_pointer) { + JpegXlSaveGui* self = static_cast<JpegXlSaveGui*>(this_pointer); + jxl_save_opts.advanced_mode = + gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(toggle)); + + gtk_widget_set_sensitive(self->frame_advanced, jxl_save_opts.advanced_mode); + + if (!jxl_save_opts.advanced_mode) { + jxl_save_opts.basic_info.uses_original_profile = false; + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(self->toggle_no_xyb), false); + + jxl_save_opts.use_container = true; + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(self->toggle_raw), false); + + jxl_save_opts.faster_decoding = 0; + gtk_adjustment_set_value(GTK_ADJUSTMENT(self->entry_faster), 0); + } + return true; +} + +bool JpegXlSaveGui::SaveDialog() { + gboolean run; + GtkWidget* dialog; + GtkWidget* content_area; + GtkWidget* main_vbox; + GtkWidget* frame; + GtkWidget* toggle; + GtkWidget* table; + GtkWidget* vbox; + GtkWidget* separator; + + // initialize export dialog + gimp_ui_init(PLUG_IN_BINARY, true); + dialog = gimp_export_dialog_new("JPEG XL", PLUG_IN_BINARY, SAVE_PROC); + + gtk_window_set_resizable(GTK_WINDOW(dialog), false); + content_area = gimp_export_dialog_get_content_area(dialog); + + main_vbox = gtk_vbox_new(false, 6); + gtk_container_set_border_width(GTK_CONTAINER(main_vbox), 6); + gtk_box_pack_start(GTK_BOX(content_area), main_vbox, true, true, 0); + gtk_widget_show(main_vbox); + + // Standard Settings Frame + frame = gtk_frame_new(nullptr); + gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN); + gtk_box_pack_start(GTK_BOX(main_vbox), frame, false, false, 0); + gtk_widget_show(frame); + + vbox = gtk_vbox_new(false, 6); + gtk_container_set_border_width(GTK_CONTAINER(vbox), 6); + gtk_container_add(GTK_CONTAINER(frame), vbox); + gtk_widget_show(vbox); + + // Layout Table + table = gtk_table_new(20, 3, false); + gtk_table_set_col_spacings(GTK_TABLE(table), 6); + gtk_box_pack_start(GTK_BOX(vbox), table, false, false, 0); + gtk_widget_show(table); + + // Distance Slider + static gchar distance_help[] = + "Butteraugli distance target. Suggested values:" + "\n\td\u00A0=\u00A00.3\tExcellent" + "\n\td\u00A0=\u00A01\tVery Good" + "\n\td\u00A0=\u00A02\tGood" + "\n\td\u00A0=\u00A03\tFair" + "\n\td\u00A0=\u00A06\tPoor"; + + entry_distance = (GtkAdjustment*)gimp_scale_entry_new( + GTK_TABLE(table), 0, 0, "Distance", SCALE_WIDTH, 0, + jxl_save_opts.distance, 0.0, 15.0, 0.001, 1.0, 3, true, 0.0, 0.0, + distance_help, SAVE_PROC); + gimp_scale_entry_set_logarithmic((GtkObject*)entry_distance, true); + + // Quality Slider + static gchar quality_help[] = + "JPEG-style Quality is remapped to distance. " + "Values roughly match libjpeg quality settings."; + entry_quality = (GtkAdjustment*)gimp_scale_entry_new( + GTK_TABLE(table), 0, 1, "Quality", SCALE_WIDTH, 0, jxl_save_opts.quality, + 8.26, 100.0, 1.0, 10.0, 2, true, 0.0, 0.0, quality_help, SAVE_PROC); + + // Distance and Quality Signals + handle_entry_distance = g_signal_connect( + entry_distance, "value-changed", G_CALLBACK(GuiOnChangeDistance), this); + handle_entry_quality = g_signal_connect(entry_quality, "value-changed", + G_CALLBACK(GuiOnChangeQuality), this); + + // ---------- + separator = gtk_vseparator_new(); + gtk_table_attach(GTK_TABLE(table), separator, 0, 2, 2, 3, GTK_EXPAND, + GTK_EXPAND, 9, 9); + gtk_widget_show(separator); + + // Encoding Effort / Speed + static gchar effort_help[] = + "Adjust encoding speed. Higher values are faster because " + "the encoder uses less effort to hit distance targets. " + "As\u00A0a\u00A0result, image quality may be decreased. " + "Default\u00A0=\u00A03."; + entry_effort = (GtkAdjustment*)gimp_scale_entry_new( + GTK_TABLE(table), 0, 3, "Speed", SCALE_WIDTH, 0, + 10 - jxl_save_opts.encoding_effort, 1, 9, 1, 2, 0, true, 0.0, 0.0, + effort_help, SAVE_PROC); + + // effort signal + g_signal_connect(entry_effort, "value-changed", G_CALLBACK(GuiOnChangeEffort), + nullptr); + + // ---------- + separator = gtk_vseparator_new(); + gtk_table_attach(GTK_TABLE(table), separator, 0, 2, 4, 5, GTK_EXPAND, + GTK_EXPAND, 9, 9); + gtk_widget_show(separator); + + // Lossless Mode Convenience Checkbox + static gchar lossless_help[] = + "Compress using modular lossless mode. " + "Speed\u00A0is adjusted to improve performance."; + toggle_lossless = gtk_check_button_new_with_label("Lossless Mode"); + gimp_help_set_help_data(toggle_lossless, lossless_help, nullptr); + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(toggle_lossless), + jxl_save_opts.lossless); + gtk_table_attach_defaults(GTK_TABLE(table), toggle_lossless, 0, 2, 5, 6); + gtk_widget_show(toggle_lossless); + + // lossless signal + handle_toggle_lossless = g_signal_connect( + toggle_lossless, "toggled", G_CALLBACK(GuiOnChangeLossless), this); + + // ---------- + separator = gtk_vseparator_new(); + gtk_box_pack_start(GTK_BOX(main_vbox), separator, false, false, 1); + gtk_widget_show(separator); + + // Advanced Settings Frame + std::vector<GtkWidget*> advanced_opts; + + frame_advanced = gtk_frame_new("Advanced Settings"); + gimp_help_set_help_data(frame_advanced, + "Some advanced settings may produce malformed files.", + nullptr); + gtk_frame_set_shadow_type(GTK_FRAME(frame_advanced), GTK_SHADOW_ETCHED_IN); + gtk_box_pack_start(GTK_BOX(main_vbox), frame_advanced, true, true, 0); + gtk_widget_show(frame_advanced); + + gtk_widget_set_sensitive(frame_advanced, false); + + vbox = gtk_vbox_new(false, 6); + gtk_container_set_border_width(GTK_CONTAINER(vbox), 6); + gtk_container_add(GTK_CONTAINER(frame_advanced), vbox); + gtk_widget_show(vbox); + + // uses_original_profile + static gchar uses_original_profile_help[] = + "Prevents conversion to the XYB colorspace. " + "File sizes are approximately doubled."; + toggle_no_xyb = gtk_check_button_new_with_label("Do not use XYB colorspace"); + gimp_help_set_help_data(toggle_no_xyb, uses_original_profile_help, nullptr); + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(toggle_no_xyb), + jxl_save_opts.basic_info.uses_original_profile); + gtk_box_pack_start(GTK_BOX(vbox), toggle_no_xyb, false, false, 0); + gtk_widget_show(toggle_no_xyb); + + g_signal_connect(toggle_no_xyb, "toggled", G_CALLBACK(GuiOnChangeNoXYB), + nullptr); + + // save raw codestream + static gchar codestream_help[] = + "Save the raw codestream, without a container. " + "The container is required for metadata and some other features."; + toggle_raw = gtk_check_button_new_with_label("Save Raw Codestream"); + gimp_help_set_help_data(toggle_raw, codestream_help, nullptr); + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(toggle_raw), + !jxl_save_opts.use_container); + gtk_box_pack_start(GTK_BOX(vbox), toggle_raw, false, false, 0); + gtk_widget_show(toggle_raw); + + g_signal_connect(toggle_raw, "toggled", G_CALLBACK(GuiOnChangeCodestream), + nullptr); + + // ---------- + separator = gtk_vseparator_new(); + gtk_box_pack_start(GTK_BOX(vbox), separator, false, false, 1); + gtk_widget_show(separator); + + // Faster Decoding / Decoding Speed + static gchar faster_help[] = + "Improve decoding speed at the expense of quality. " + "Default\u00A0=\u00A00."; + table = gtk_table_new(1, 3, false); + gtk_table_set_col_spacings(GTK_TABLE(table), 6); + gtk_container_add(GTK_CONTAINER(vbox), table); + gtk_widget_show(table); + + entry_faster = (GtkAdjustment*)gimp_scale_entry_new( + GTK_TABLE(table), 0, 0, "Faster Decoding", SCALE_WIDTH, 0, + jxl_save_opts.faster_decoding, 0, 4, 1, 1, 0, true, 0.0, 0.0, faster_help, + SAVE_PROC); + + // Faster Decoding Signals + g_signal_connect(entry_faster, "value-changed", + G_CALLBACK(gimp_int_adjustment_update), + &jxl_save_opts.faster_decoding); + + // Enable Advanced Settings + frame = gtk_frame_new(nullptr); + gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_NONE); + gtk_box_pack_start(GTK_BOX(main_vbox), frame, true, true, 0); + gtk_widget_show(frame); + + vbox = gtk_vbox_new(false, 6); + gtk_container_set_border_width(GTK_CONTAINER(vbox), 6); + gtk_container_add(GTK_CONTAINER(frame), vbox); + gtk_widget_show(vbox); + + static gchar advanced_help[] = + "Some advanced settings may produce malformed files."; + toggle = gtk_check_button_new_with_label("Enable Advanced Settings"); + gimp_help_set_help_data(toggle, advanced_help, nullptr); + gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(toggle), + jxl_save_opts.advanced_mode); + gtk_box_pack_start(GTK_BOX(vbox), toggle, false, false, 0); + gtk_widget_show(toggle); + + g_signal_connect(toggle, "toggled", G_CALLBACK(GuiOnChangeAdvancedMode), + this); + + // show dialog + gtk_widget_show(dialog); + + GtkAllocation allocation; + gtk_widget_get_allocation(dialog, &allocation); + + int height = allocation.height; + gtk_widget_set_size_request(dialog, height * 1.5, height); + + run = (gimp_dialog_run(GIMP_DIALOG(dialog)) == GTK_RESPONSE_OK); + gtk_widget_destroy(dialog); + + return run; +} // JpegXlSaveGui::SaveDialog + +JpegXlSaveOpts::JpegXlSaveOpts() { + SetDistance(1.0); + + pixel_format.num_channels = 4; + pixel_format.data_type = JXL_TYPE_FLOAT; + pixel_format.endianness = JXL_NATIVE_ENDIAN; + pixel_format.align = 0; + + JxlEncoderInitBasicInfo(&basic_info); + return; +} // JpegXlSaveOpts constructor + +bool JpegXlSaveOpts::SetModel(bool is_linear_) { + int channels; + std::string model; + + if (is_gray) { + channels = 1; + if (is_linear_) { + model = "Y"; + } else { + model = "Y'"; + } + } else { + channels = 3; + if (is_linear_) { + model = "RGB"; + } else { + model = "R'G'B'"; + } + } + if (has_alpha) { + SetBablModel(model + "A"); + SetNumChannels(channels + 1); + } else { + SetBablModel(model); + SetNumChannels(channels); + } + return true; +} // JpegXlSaveOpts::SetModel + +bool JpegXlSaveOpts::SetDistance(float dist) { + distance = dist; + return UpdateQuality(); +} + +bool JpegXlSaveOpts::SetQuality(float qual) { + quality = qual; + return UpdateDistance(); +} + +bool JpegXlSaveOpts::UpdateQuality() { + float qual; + + if (distance < 0.1) { + qual = 100; + } else if (distance > 6.4) { + qual = -5.0 / 53.0 * sqrt(6360.0 * distance - 39975.0) + 1725.0 / 53.0; + lossless = false; + } else { + qual = 100 - (distance - 0.1) / 0.09; + lossless = false; + } + + if (qual < 0) { + quality = 0.0; + } else if (qual >= 100) { + quality = 100.0; + } else { + quality = qual; + } + + return true; +} + +bool JpegXlSaveOpts::UpdateDistance() { + float dist; + if (quality >= 30) { + dist = 0.1 + (100 - quality) * 0.09; + } else { + dist = 53.0 / 3000.0 * quality * quality - 23.0 / 20.0 * quality + 25.0; + } + + if (dist > 25) { + distance = 25; + } else { + distance = dist; + } + return true; +} + +bool JpegXlSaveOpts::SetDimensions(int x, int y) { + basic_info.xsize = x; + basic_info.ysize = y; + return true; +} + +bool JpegXlSaveOpts::SetNumChannels(int channels) { + switch (channels) { + case 1: + pixel_format.num_channels = 1; + basic_info.num_color_channels = 1; + basic_info.num_extra_channels = 0; + basic_info.alpha_bits = 0; + basic_info.alpha_exponent_bits = 0; + break; + case 2: + pixel_format.num_channels = 2; + basic_info.num_color_channels = 1; + basic_info.num_extra_channels = 1; + basic_info.alpha_bits = int(std::fmin(16, basic_info.bits_per_sample)); + basic_info.alpha_exponent_bits = 0; + break; + case 3: + pixel_format.num_channels = 3; + basic_info.num_color_channels = 3; + basic_info.num_extra_channels = 0; + basic_info.alpha_bits = 0; + basic_info.alpha_exponent_bits = 0; + break; + case 4: + pixel_format.num_channels = 4; + basic_info.num_color_channels = 3; + basic_info.num_extra_channels = 1; + basic_info.alpha_bits = int(std::fmin(16, basic_info.bits_per_sample)); + basic_info.alpha_exponent_bits = 0; + break; + default: + SetNumChannels(3); + } // switch + return true; +} // JpegXlSaveOpts::SetNumChannels + +bool JpegXlSaveOpts::UpdateBablFormat() { + babl_format_str = babl_model_str + " " + babl_type_str; + return true; +} + +bool JpegXlSaveOpts::SetBablModel(std::string model) { + babl_model_str = std::move(model); + return UpdateBablFormat(); +} + +bool JpegXlSaveOpts::SetBablType(std::string type) { + babl_type_str = std::move(type); + return UpdateBablFormat(); +} + +bool JpegXlSaveOpts::SetPrecision(int gimp_precision) { + switch (gimp_precision) { + case GIMP_PRECISION_HALF_GAMMA: + case GIMP_PRECISION_HALF_LINEAR: + basic_info.bits_per_sample = 16; + basic_info.exponent_bits_per_sample = 5; + break; + + // UINT32 not supported by encoder; using FLOAT instead + case GIMP_PRECISION_U32_GAMMA: + case GIMP_PRECISION_U32_LINEAR: + case GIMP_PRECISION_FLOAT_GAMMA: + case GIMP_PRECISION_FLOAT_LINEAR: + basic_info.bits_per_sample = 32; + basic_info.exponent_bits_per_sample = 8; + break; + + case GIMP_PRECISION_U16_GAMMA: + case GIMP_PRECISION_U16_LINEAR: + basic_info.bits_per_sample = 16; + basic_info.exponent_bits_per_sample = 0; + break; + + default: + case GIMP_PRECISION_U8_LINEAR: + case GIMP_PRECISION_U8_GAMMA: + basic_info.bits_per_sample = 8; + basic_info.exponent_bits_per_sample = 0; + break; + } + return true; +} // JpegXlSaveOpts::SetPrecision + +} // namespace + +bool SaveJpegXlImage(const gint32 image_id, const gint32 drawable_id, + const gint32 orig_image_id, const gchar* const filename) { + if (!jxl_save_gui.SaveDialog()) { + return true; + } + + gint32 nlayers; + gint32* layers; + gint32 duplicate = gimp_image_duplicate(image_id); + + JpegXlGimpProgress gimp_save_progress( + ("Saving JPEG XL file:" + std::string(filename)).c_str()); + gimp_save_progress.update(); + + // try to get ICC color profile... + std::vector<uint8_t> icc; + + GimpColorProfile* profile = gimp_image_get_effective_color_profile(image_id); + jxl_save_opts.is_gray = gimp_color_profile_is_gray(profile); + jxl_save_opts.is_linear = gimp_color_profile_is_linear(profile); + + profile = gimp_image_get_color_profile(image_id); + if (profile) { + g_printerr(SAVE_PROC " Info: Extracting ICC Profile...\n"); + gsize icc_size; + const guint8* const icc_bytes = + gimp_color_profile_get_icc_profile(profile, &icc_size); + + icc.assign(icc_bytes, icc_bytes + icc_size); + } else { + g_printerr(SAVE_PROC " Info: No ICC profile. Exporting image anyway.\n"); + } + + gimp_save_progress.update(); + + jxl_save_opts.SetDimensions(gimp_image_width(image_id), + gimp_image_height(image_id)); + + jxl_save_opts.SetPrecision(gimp_image_get_precision(image_id)); + layers = gimp_image_get_layers(duplicate, &nlayers); + + for (int i = 0; i < nlayers; i++) { + if (gimp_drawable_has_alpha(layers[i])) { + jxl_save_opts.has_alpha = true; + break; + } + } + + gimp_save_progress.update(); + + // layers need to match image size, for now + for (int i = 0; i < nlayers; i++) { + gimp_layer_resize_to_image_size(layers[i]); + } + + // treat layers as animation frames, for now + if (nlayers > 1) { + jxl_save_opts.basic_info.have_animation = true; + jxl_save_opts.basic_info.animation.tps_numerator = 100; + } + + gimp_save_progress.update(); + + // multi-threaded parallel runner. + auto runner = JxlResizableParallelRunnerMake(nullptr); + + JxlResizableParallelRunnerSetThreads( + runner.get(), + JxlResizableParallelRunnerSuggestThreads(jxl_save_opts.basic_info.xsize, + jxl_save_opts.basic_info.ysize)); + + auto enc = JxlEncoderMake(/*memory_manager=*/nullptr); + JxlEncoderUseContainer(enc.get(), jxl_save_opts.use_container); + + if (JXL_ENC_SUCCESS != JxlEncoderSetParallelRunner(enc.get(), + JxlResizableParallelRunner, + runner.get())) { + g_printerr(SAVE_PROC " Error: JxlEncoderSetParallelRunner failed\n"); + return false; + } + + // this sets some basic_info properties + jxl_save_opts.SetModel(jxl_save_opts.is_linear); + + if (JXL_ENC_SUCCESS != + JxlEncoderSetBasicInfo(enc.get(), &jxl_save_opts.basic_info)) { + g_printerr(SAVE_PROC " Error: JxlEncoderSetBasicInfo failed\n"); + return false; + } + + // try to use ICC profile + if (!icc.empty() && !jxl_save_opts.is_gray) { + if (JXL_ENC_SUCCESS == + JxlEncoderSetICCProfile(enc.get(), icc.data(), icc.size())) { + jxl_save_opts.icc_attached = true; + } else { + g_printerr(SAVE_PROC " Warning: JxlEncoderSetICCProfile failed.\n"); + jxl_save_opts.basic_info.uses_original_profile = false; + jxl_save_opts.lossless = false; + } + } else { + g_printerr(SAVE_PROC " Warning: Using internal profile.\n"); + jxl_save_opts.basic_info.uses_original_profile = false; + jxl_save_opts.lossless = false; + } + + // set up internal color profile + JxlColorEncoding color_encoding = {}; + + if (jxl_save_opts.is_linear) { + JxlColorEncodingSetToLinearSRGB(&color_encoding, jxl_save_opts.is_gray); + } else { + JxlColorEncodingSetToSRGB(&color_encoding, jxl_save_opts.is_gray); + } + + if (JXL_ENC_SUCCESS != + JxlEncoderSetColorEncoding(enc.get(), &color_encoding)) { + g_printerr(SAVE_PROC " Warning: JxlEncoderSetColorEncoding failed\n"); + } + + // set encoder options + JxlEncoderFrameSettings* frame_settings; + frame_settings = JxlEncoderFrameSettingsCreate(enc.get(), nullptr); + + JxlEncoderFrameSettingsSetOption(frame_settings, JXL_ENC_FRAME_SETTING_EFFORT, + jxl_save_opts.encoding_effort); + JxlEncoderFrameSettingsSetOption(frame_settings, + JXL_ENC_FRAME_SETTING_DECODING_SPEED, + jxl_save_opts.faster_decoding); + + // lossless mode + if (jxl_save_opts.lossless || jxl_save_opts.distance < 0.01) { + if (jxl_save_opts.basic_info.exponent_bits_per_sample > 0) { + // lossless mode doesn't work well with floating point + jxl_save_opts.distance = 0.01; + jxl_save_opts.lossless = false; + JxlEncoderSetFrameLossless(frame_settings, false); + JxlEncoderSetFrameDistance(frame_settings, 0.01); + } else { + JxlEncoderSetFrameDistance(frame_settings, 0); + JxlEncoderSetFrameLossless(frame_settings, true); + } + } else { + jxl_save_opts.lossless = false; + JxlEncoderSetFrameLossless(frame_settings, false); + JxlEncoderSetFrameDistance(frame_settings, jxl_save_opts.distance); + } + + // convert precision and colorspace + if (jxl_save_opts.is_linear && + jxl_save_opts.basic_info.bits_per_sample < 32) { + gimp_image_convert_precision(duplicate, GIMP_PRECISION_FLOAT_LINEAR); + } else { + gimp_image_convert_precision(duplicate, GIMP_PRECISION_FLOAT_GAMMA); + } + + // process layers and compress into JXL + size_t buffer_size = + jxl_save_opts.basic_info.xsize * jxl_save_opts.basic_info.ysize * + jxl_save_opts.pixel_format.num_channels * 4; // bytes per sample + + for (int i = nlayers - 1; i >= 0; i--) { + gimp_save_progress.update(); + + // copy image into buffer... + gpointer pixels_buffer_1; + gpointer pixels_buffer_2; + pixels_buffer_1 = g_malloc(buffer_size); + pixels_buffer_2 = g_malloc(buffer_size); + + gimp_layer_resize_to_image_size(layers[i]); + + GeglBuffer* buffer = gimp_drawable_get_buffer(layers[i]); + + // using gegl_buffer_set_format to get the format because + // gegl_buffer_get_format doesn't always get the original format + const Babl* native_format = gegl_buffer_set_format(buffer, nullptr); + + gegl_buffer_get(buffer, + GEGL_RECTANGLE(0, 0, jxl_save_opts.basic_info.xsize, + jxl_save_opts.basic_info.ysize), + 1.0, native_format, pixels_buffer_1, GEGL_AUTO_ROWSTRIDE, + GEGL_ABYSS_NONE); + g_clear_object(&buffer); + + // use babl to fix gamma mismatch issues + jxl_save_opts.SetModel(jxl_save_opts.is_linear); + jxl_save_opts.pixel_format.data_type = JXL_TYPE_FLOAT; + jxl_save_opts.SetBablType("float"); + const Babl* destination_format = + babl_format(jxl_save_opts.babl_format_str.c_str()); + + babl_process( + babl_fish(native_format, destination_format), pixels_buffer_1, + pixels_buffer_2, + jxl_save_opts.basic_info.xsize * jxl_save_opts.basic_info.ysize); + + gimp_save_progress.update(); + + // send layer to encoder + if (JXL_ENC_SUCCESS != + JxlEncoderAddImageFrame(frame_settings, &jxl_save_opts.pixel_format, + pixels_buffer_2, buffer_size)) { + g_printerr(SAVE_PROC " Error: JxlEncoderAddImageFrame failed\n"); + return false; + } + } + + JxlEncoderCloseInput(enc.get()); + + // get data from encoder + std::vector<uint8_t> compressed; + compressed.resize(262144); + uint8_t* next_out = compressed.data(); + size_t avail_out = compressed.size(); + + JxlEncoderStatus process_result = JXL_ENC_NEED_MORE_OUTPUT; + while (process_result == JXL_ENC_NEED_MORE_OUTPUT) { + gimp_save_progress.update(); + + process_result = JxlEncoderProcessOutput(enc.get(), &next_out, &avail_out); + if (process_result == JXL_ENC_NEED_MORE_OUTPUT) { + size_t offset = next_out - compressed.data(); + compressed.resize(compressed.size() + 262144); + next_out = compressed.data() + offset; + avail_out = compressed.size() - offset; + } + } + compressed.resize(next_out - compressed.data()); + + if (JXL_ENC_SUCCESS != process_result) { + g_printerr(SAVE_PROC " Error: JxlEncoderProcessOutput failed\n"); + return false; + } + + // write file + std::ofstream outstream(filename, std::ios::out | std::ios::binary); + copy(compressed.begin(), compressed.end(), + std::ostream_iterator<uint8_t>(outstream)); + + gimp_save_progress.finished(); + return true; +} // SaveJpegXlImage() + +} // namespace jxl diff --git a/third_party/jpeg-xl/plugins/gimp/file-jxl-save.h b/third_party/jpeg-xl/plugins/gimp/file-jxl-save.h new file mode 100644 index 0000000000..c9d0e8091f --- /dev/null +++ b/third_party/jpeg-xl/plugins/gimp/file-jxl-save.h @@ -0,0 +1,18 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#ifndef PLUGINS_GIMP_FILE_JXL_SAVE_H_ +#define PLUGINS_GIMP_FILE_JXL_SAVE_H_ + +#include "plugins/gimp/common.h" + +namespace jxl { + +bool SaveJpegXlImage(gint32 image_id, gint32 drawable_id, gint32 orig_image_id, + const gchar* filename); + +} // namespace jxl + +#endif // PLUGINS_GIMP_FILE_JXL_SAVE_H_ diff --git a/third_party/jpeg-xl/plugins/gimp/file-jxl.cc b/third_party/jpeg-xl/plugins/gimp/file-jxl.cc new file mode 100644 index 0000000000..743495a2e0 --- /dev/null +++ b/third_party/jpeg-xl/plugins/gimp/file-jxl.cc @@ -0,0 +1,157 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include <string.h> + +#include <string> + +#include "plugins/gimp/common.h" +#include "plugins/gimp/file-jxl-load.h" +#include "plugins/gimp/file-jxl-save.h" + +namespace jxl { +namespace { + +constexpr char kLoadProc[] = "file-jxl-load"; +constexpr char kSaveProc[] = "file-jxl-save"; + +void Query() { + { + static char run_mode_name[] = "run-mode"; + static char run_mode_description[] = "Run mode"; + static char filename_name[] = "filename"; + static char filename_description[] = "The name of the file to load"; + static char raw_filename_name[] = "raw-filename"; + static char raw_filename_description[] = + "The name of the file, as entered by the user"; + static const GimpParamDef load_args[] = { + {GIMP_PDB_INT32, run_mode_name, run_mode_description}, + {GIMP_PDB_STRING, filename_name, filename_description}, + {GIMP_PDB_STRING, raw_filename_name, raw_filename_description}, + }; + static char image_name[] = "image"; + static char image_description[] = "Loaded image"; + static const GimpParamDef load_return_vals[] = { + {GIMP_PDB_IMAGE, image_name, image_description}, + }; + + gimp_install_procedure( + /*name=*/kLoadProc, /*blurb=*/"Loads JPEG XL image files", + /*help=*/"Loads JPEG XL image files", /*author=*/"JPEG XL Project", + /*copyright=*/"JPEG XL Project", /*date=*/"2019", + /*menu_label=*/"JPEG XL image", /*image_types=*/nullptr, + /*type=*/GIMP_PLUGIN, /*n_params=*/G_N_ELEMENTS(load_args), + /*n_return_vals=*/G_N_ELEMENTS(load_return_vals), /*params=*/load_args, + /*return_vals=*/load_return_vals); + gimp_register_file_handler_mime(kLoadProc, "image/jxl"); + gimp_register_magic_load_handler( + kLoadProc, "jxl", "", + "0,string,\xFF\x0A," + "0,string,\\000\\000\\000\x0CJXL\\040\\015\\012\x87\\012"); + } + + { + static char run_mode_name[] = "run-mode"; + static char run_mode_description[] = "Run mode"; + static char image_name[] = "image"; + static char image_description[] = "Input image"; + static char drawable_name[] = "drawable"; + static char drawable_description[] = "Drawable to save"; + static char filename_name[] = "filename"; + static char filename_description[] = "The name of the file to save"; + static char raw_filename_name[] = "raw-filename"; + static char raw_filename_description[] = "The name of the file to save"; + static const GimpParamDef save_args[] = { + {GIMP_PDB_INT32, run_mode_name, run_mode_description}, + {GIMP_PDB_IMAGE, image_name, image_description}, + {GIMP_PDB_DRAWABLE, drawable_name, drawable_description}, + {GIMP_PDB_STRING, filename_name, filename_description}, + {GIMP_PDB_STRING, raw_filename_name, raw_filename_description}, + }; + + gimp_install_procedure( + /*name=*/kSaveProc, /*blurb=*/"Saves JPEG XL image files", + /*help=*/"Saves JPEG XL image files", /*author=*/"JPEG XL Project", + /*copyright=*/"JPEG XL Project", /*date=*/"2019", + /*menu_label=*/"JPEG XL image", /*image_types=*/"RGB*, GRAY*", + /*type=*/GIMP_PLUGIN, /*n_params=*/G_N_ELEMENTS(save_args), + /*n_return_vals=*/0, /*params=*/save_args, + /*return_vals=*/nullptr); + gimp_register_file_handler_mime(kSaveProc, "image/jxl"); + gimp_register_save_handler(kSaveProc, "jxl", ""); + } +} + +void Run(const gchar* const name, const gint nparams, + const GimpParam* const params, gint* const nreturn_vals, + GimpParam** const return_vals) { + gegl_init(nullptr, nullptr); + + static GimpParam values[2]; + + *nreturn_vals = 1; + *return_vals = values; + + values[0].type = GIMP_PDB_STATUS; + values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR; + + if (strcmp(name, kLoadProc) == 0) { + if (nparams != 3) { + values[0].data.d_status = GIMP_PDB_CALLING_ERROR; + return; + } + + const gchar* const filename = params[1].data.d_string; + gint32 image_id; + if (!LoadJpegXlImage(filename, &image_id)) { + values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR; + return; + } + + *nreturn_vals = 2; + values[0].data.d_status = GIMP_PDB_SUCCESS; + values[1].type = GIMP_PDB_IMAGE; + values[1].data.d_image = image_id; + } else if (strcmp(name, kSaveProc) == 0) { + if (nparams != 5) { + values[0].data.d_status = GIMP_PDB_CALLING_ERROR; + return; + } + + gint32 image_id = params[1].data.d_image; + gint32 drawable_id = params[2].data.d_drawable; + const gchar* const filename = params[3].data.d_string; + const gint32 orig_image_id = image_id; + const GimpExportReturn export_result = gimp_export_image( + &image_id, &drawable_id, "JPEG XL", + static_cast<GimpExportCapabilities>(GIMP_EXPORT_CAN_HANDLE_RGB | + GIMP_EXPORT_CAN_HANDLE_GRAY | + GIMP_EXPORT_CAN_HANDLE_ALPHA)); + switch (export_result) { + case GIMP_EXPORT_CANCEL: + values[0].data.d_status = GIMP_PDB_CANCEL; + return; + case GIMP_EXPORT_IGNORE: + break; + case GIMP_EXPORT_EXPORT: + break; + } + if (!SaveJpegXlImage(image_id, drawable_id, orig_image_id, filename)) { + return; + } + if (image_id != orig_image_id) { + gimp_image_delete(image_id); + } + values[0].data.d_status = GIMP_PDB_SUCCESS; + } +} + +} // namespace +} // namespace jxl + +static const GimpPlugInInfo PLUG_IN_INFO = {nullptr, nullptr, &jxl::Query, + &jxl::Run}; + +MAIN() diff --git a/third_party/jpeg-xl/plugins/mime/CMakeLists.txt b/third_party/jpeg-xl/plugins/mime/CMakeLists.txt new file mode 100644 index 0000000000..6f2a0f919c --- /dev/null +++ b/third_party/jpeg-xl/plugins/mime/CMakeLists.txt @@ -0,0 +1,6 @@ +# Copyright (c) the JPEG XL Project Authors. All rights reserved. +# +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +install(FILES image-jxl.xml DESTINATION share/mime/packages/) diff --git a/third_party/jpeg-xl/plugins/mime/README.md b/third_party/jpeg-xl/plugins/mime/README.md new file mode 100644 index 0000000000..4d398c7b90 --- /dev/null +++ b/third_party/jpeg-xl/plugins/mime/README.md @@ -0,0 +1,37 @@ +## :warning: Not needed anymore + +As `image/jxl` is now supported by [shared-mine-info 2.2](https://gitlab.freedesktop.org/xdg/shared-mime-info/-/releases/2.2), it should not be necessary anymore to install this plugin. + +You can test if your system correctly understand the MIME type of JPEG XL image by obtaining a JPEG XL image, e.g. with +```bash +wget https://raw.githubusercontent.com/libjxl/conformance/master/testcases/bicycles/input.jxl +``` +and with that sample JPEG XL file `input.jxl` (or any other valid JPEG XL file), run any of the following commands: +```bash +xdg-mime query filetype input.jxl +file --mime-type input.jxl +mimetype input.jxl +``` +If the output contains `image/jxl` you are all set! + + +## JPEG XL MIME type + +If not already installed by the [Installing section of BUILDING.md](../../BUILDING.md#installing), then it can be done manually: + +### Install +```bash +sudo xdg-mime install --novendor image-jxl.xml +``` + +Then run: +``` +update-mime --local +``` + + +### Uninstall +```bash +sudo xdg-mime uninstall image-jxl.xml +``` + diff --git a/third_party/jpeg-xl/plugins/mime/image-jxl.xml b/third_party/jpeg-xl/plugins/mime/image-jxl.xml new file mode 100644 index 0000000000..cab9018c7d --- /dev/null +++ b/third_party/jpeg-xl/plugins/mime/image-jxl.xml @@ -0,0 +1,13 @@ +<?xml version="1.0" encoding="UTF-8"?> +<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info"> + <mime-type type="image/jxl"> + <comment>JPEG XL image</comment> + <comment xml:lang="fr">image JPEG XL</comment> + <comment xml:lang="nl">JPEG XL afbeelding</comment> + <magic priority="50"> + <match type="string" offset="0" value="\xFF\x0A"/> + <match type="string" offset="0" value="\0\0\0\x0CJXL \x0D\x0A\x87\x0A"/> + </magic> + <glob pattern="*.jxl"/> + </mime-type> +</mime-info> |