1 files changed, 157 insertions, 0 deletions
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()