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-rw-r--r--plug-ins/common/file-heif.c2192
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diff --git a/plug-ins/common/file-heif.c b/plug-ins/common/file-heif.c
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+++ b/plug-ins/common/file-heif.c
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+/*
+ * GIMP HEIF loader / write plugin.
+ * Copyright (c) 2018 struktur AG, Dirk Farin <farin@struktur.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <libheif/heif.h>
+#include <lcms2.h>
+#include <gexiv2/gexiv2.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "libgimp/stdplugins-intl.h"
+
+
+#define LOAD_PROC "file-heif-load"
+#define SAVE_PROC "file-heif-save"
+#define SAVE_PROC_AV1 "file-heif-av1-save"
+#define PLUG_IN_BINARY "file-heif"
+
+
+typedef struct _SaveParams SaveParams;
+
+struct _SaveParams
+{
+ gint quality;
+ gboolean lossless;
+ gboolean save_profile;
+ gint save_bit_depth;
+};
+
+
+/* local function prototypes */
+
+static void init (void);
+static void run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals);
+
+static gint32 load_image (GFile *file,
+ gboolean interactive,
+ GError **error);
+static gboolean save_image (GFile *file,
+ gint32 image_ID,
+ gint32 drawable_ID,
+ const SaveParams *params,
+ GError **error,
+ enum heif_compression_format compression);
+
+static gboolean load_dialog (struct heif_context *heif,
+ uint32_t *selected_image);
+static gboolean save_dialog (SaveParams *params,
+ gint32 image_ID,
+ const gchar *procname);
+
+
+GimpPlugInInfo PLUG_IN_INFO =
+{
+ init, /* init_proc */
+ NULL, /* quit_proc */
+ NULL, /* query_proc */
+ run, /* run_proc */
+};
+
+
+MAIN ()
+
+
+static void
+init (void)
+{
+ static const GimpParamDef load_args[] =
+ {
+ { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
+ { GIMP_PDB_STRING, "uri", "The URI of the file to load" },
+ { GIMP_PDB_STRING, "raw-uri", "The URI of the file to load" }
+ };
+
+ static const GimpParamDef load_return_vals[] =
+ {
+ { GIMP_PDB_IMAGE, "image", "Output image" }
+ };
+
+
+ static const GimpParamDef save_args[] =
+ {
+ { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
+ { GIMP_PDB_IMAGE, "image", "Input image" },
+ { GIMP_PDB_DRAWABLE, "drawable", "Drawable to export" },
+ { GIMP_PDB_STRING, "uri", "The URI of the file to export the image to" },
+ { GIMP_PDB_STRING, "raw-uri", "The UTI of the file to export the image to" },
+ { GIMP_PDB_INT32, "quality", "Quality factor (range: 0-100. 0 = worst, 100 = best)" },
+ { GIMP_PDB_INT32, "lossless", "Use lossless compression (0 = lossy, 1 = lossless)" }
+ };
+
+#if LIBHEIF_HAVE_VERSION(1,13,0)
+ heif_init (NULL);
+#endif
+
+ if (heif_have_decoder_for_format (heif_compression_HEVC)
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ || heif_have_decoder_for_format (heif_compression_AV1)
+#endif
+ )
+ {
+ GString *extensions = g_string_new (NULL);
+ GString *mimetypes = g_string_new (NULL);
+ GString *magic = g_string_new ("4,string,ftypmif1");
+
+ if (heif_have_decoder_for_format (heif_compression_HEVC))
+ {
+ g_string_append (extensions, "heic,heif");
+ g_string_append (mimetypes, "image/heif");
+ g_string_append (magic, ",4,string,ftypheic,4,string,ftypheix,"
+ "4,string,ftyphevc,4,string,ftypheim,"
+ "4,string,ftypheis,4,string,ftyphevm,"
+ "4,string,ftyphevs,4,string,ftypmsf1");
+ }
+
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ if (heif_have_decoder_for_format (heif_compression_AV1))
+ {
+ g_string_append_printf (extensions, "%savif", extensions->len ? "," : "");
+ g_string_append_printf (mimetypes, "%simage/avif", mimetypes->len ? "," : "");
+ g_string_append (magic, ",4,string,ftypavif");
+ }
+#endif
+
+ gimp_install_procedure (LOAD_PROC,
+ _("Loads HEIF images"),
+ _("Load image stored in HEIF format (High "
+ "Efficiency Image File Format). Typical "
+ "suffices for HEIF files are .heif, .heic."),
+ "Dirk Farin <farin@struktur.de>",
+ "Dirk Farin <farin@struktur.de>",
+ "2018",
+ _("HEIF/HEIC"),
+ NULL,
+ GIMP_PLUGIN,
+ G_N_ELEMENTS (load_args),
+ G_N_ELEMENTS (load_return_vals),
+ load_args, load_return_vals);
+
+ gimp_register_load_handler (LOAD_PROC, extensions->str, "");
+ gimp_register_file_handler_mime (LOAD_PROC, mimetypes->str);
+ gimp_register_file_handler_uri (LOAD_PROC);
+
+ gimp_register_magic_load_handler (LOAD_PROC,
+ extensions->str, "",
+ magic->str);
+
+ g_string_free (magic, TRUE);
+ g_string_free (mimetypes, TRUE);
+ g_string_free (extensions, TRUE);
+ }
+
+ if (heif_have_encoder_for_format (heif_compression_HEVC))
+ {
+ gimp_install_procedure (SAVE_PROC,
+ _("Exports HEIF images"),
+ _("Save image in HEIF format (High Efficiency "
+ "Image File Format)."),
+ "Dirk Farin <farin@struktur.de>",
+ "Dirk Farin <farin@struktur.de>",
+ "2018",
+ _("HEIF/HEIC"),
+ "RGB*",
+ GIMP_PLUGIN,
+ G_N_ELEMENTS (save_args), 0,
+ save_args, NULL);
+
+ gimp_register_save_handler (SAVE_PROC, "heic,heif", "");
+ gimp_register_file_handler_mime (SAVE_PROC, "image/heif");
+ gimp_register_file_handler_uri (SAVE_PROC);
+ }
+
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ if (heif_have_encoder_for_format (heif_compression_AV1))
+ {
+ gimp_install_procedure (SAVE_PROC_AV1,
+ _("Exports AVIF images"),
+ _("Save image in AV1 Image File Format (AVIF)"),
+ "Daniel Novomesky <dnovomesky@gmail.com>",
+ "Daniel Novomesky <dnovomesky@gmail.com>",
+ "2020",
+ "HEIF/AVIF",
+ "RGB*",
+ GIMP_PLUGIN,
+ G_N_ELEMENTS (save_args), 0,
+ save_args, NULL);
+
+ gimp_register_save_handler (SAVE_PROC_AV1, "avif", "");
+ gimp_register_file_handler_mime (SAVE_PROC_AV1, "image/avif");
+ gimp_register_file_handler_uri (SAVE_PROC_AV1);
+ }
+#endif
+
+#if LIBHEIF_HAVE_VERSION(1,13,0)
+ heif_deinit ();
+#endif
+}
+
+#define LOAD_HEIF_CANCEL -2
+
+static void
+run (const gchar *name,
+ gint n_params,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals)
+{
+ static GimpParam values[2];
+ GimpRunMode run_mode;
+ GimpPDBStatusType status = GIMP_PDB_SUCCESS;
+ GError *error = NULL;
+
+ INIT_I18N ();
+ gegl_init (NULL, NULL);
+
+ run_mode = param[0].data.d_int32;
+
+ *nreturn_vals = 1;
+ *return_vals = values;
+
+ values[0].type = GIMP_PDB_STATUS;
+ values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
+
+ if (run_mode == GIMP_RUN_INTERACTIVE)
+ gimp_ui_init (PLUG_IN_BINARY, FALSE);
+
+ if (strcmp (name, LOAD_PROC) == 0)
+ {
+ GFile *file;
+ gboolean interactive;
+
+ if (n_params != 3)
+ status = GIMP_PDB_CALLING_ERROR;
+
+ file = g_file_new_for_uri (param[1].data.d_string);
+ interactive = (run_mode == GIMP_RUN_INTERACTIVE);
+
+ if (status == GIMP_PDB_SUCCESS)
+ {
+ gint32 image_ID;
+
+#if LIBHEIF_HAVE_VERSION(1,13,0)
+ heif_init (NULL);
+#endif
+
+ image_ID = load_image (file, interactive, &error);
+
+#if LIBHEIF_HAVE_VERSION(1,13,0)
+ heif_deinit ();
+#endif
+
+ if (image_ID >= 0)
+ {
+ *nreturn_vals = 2;
+ values[1].type = GIMP_PDB_IMAGE;
+ values[1].data.d_image = image_ID;
+ }
+ else if (image_ID == LOAD_HEIF_CANCEL)
+ {
+ status = GIMP_PDB_CANCEL;
+ }
+ else
+ {
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+ }
+
+ g_object_unref (file);
+ }
+ else if (strcmp (name, SAVE_PROC) == 0)
+ {
+ gint32 image_ID = param[1].data.d_int32;
+ gint32 drawable_ID = param[2].data.d_int32;
+ GimpExportReturn export = GIMP_EXPORT_CANCEL;
+ SaveParams params;
+ GimpMetadata *metadata = NULL;
+ GimpMetadataSaveFlags metadata_flags;
+
+ metadata = gimp_image_metadata_save_prepare (image_ID,
+ "image/heif",
+ &metadata_flags);
+
+ params.lossless = FALSE;
+ params.quality = 50;
+ params.save_profile = (metadata_flags & GIMP_METADATA_SAVE_COLOR_PROFILE) != 0;
+ params.save_bit_depth = 8;
+
+ switch (run_mode)
+ {
+ case GIMP_RUN_INTERACTIVE:
+ case GIMP_RUN_WITH_LAST_VALS:
+ export = gimp_export_image (&image_ID, &drawable_ID, "HEIF",
+ GIMP_EXPORT_CAN_HANDLE_RGB |
+ GIMP_EXPORT_CAN_HANDLE_ALPHA);
+
+ if (export == GIMP_EXPORT_CANCEL)
+ {
+ values[0].data.d_status = GIMP_PDB_CANCEL;
+ g_clear_object (&metadata);
+ return;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ switch (run_mode)
+ {
+ case GIMP_RUN_INTERACTIVE:
+ gimp_get_data (SAVE_PROC, &params);
+
+ if (! save_dialog (&params, image_ID, name))
+ status = GIMP_PDB_CANCEL;
+ break;
+
+ case GIMP_RUN_WITH_LAST_VALS:
+ gimp_get_data (SAVE_PROC, &params);
+ break;
+
+ case GIMP_RUN_NONINTERACTIVE:
+ /* Make sure all the arguments are there! */
+ if (n_params != 7)
+ {
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+ else
+ {
+ params.quality = (param[5].data.d_int32);
+ params.lossless = (param[6].data.d_int32);
+ }
+ break;
+ }
+
+ if (status == GIMP_PDB_SUCCESS)
+ {
+ GFile *file = g_file_new_for_uri (param[3].data.d_string);
+
+#if LIBHEIF_HAVE_VERSION(1,13,0)
+ heif_init (NULL);
+#endif
+
+ if (save_image (file, image_ID, drawable_ID,
+ &params,
+ &error,
+ heif_compression_HEVC))
+ {
+ /* Exiv2 doesn't support HEIC format yet, following code doesn't work
+ if (metadata)
+ gimp_image_metadata_save_finish (image_ID,
+ "image/heif",
+ metadata, metadata_flags,
+ file, NULL);
+ */
+ gimp_set_data (SAVE_PROC, &params, sizeof (params));
+ }
+ else
+ {
+ status = GIMP_PDB_EXECUTION_ERROR;
+ }
+
+#if LIBHEIF_HAVE_VERSION(1,13,0)
+ heif_deinit ();
+#endif
+
+ g_object_unref (file);
+ }
+
+ if (export == GIMP_EXPORT_EXPORT)
+ gimp_image_delete (image_ID);
+
+ g_clear_object (&metadata);
+ }
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ else if (strcmp (name, SAVE_PROC_AV1) == 0)
+ {
+ gint32 image_ID = param[1].data.d_int32;
+ gint32 drawable_ID = param[2].data.d_int32;
+ GimpExportReturn export = GIMP_EXPORT_CANCEL;
+ SaveParams params;
+ GimpMetadata *metadata = NULL;
+ GimpMetadataSaveFlags metadata_flags;
+
+ metadata = gimp_image_metadata_save_prepare (image_ID,
+ "image/avif",
+ &metadata_flags);
+
+ params.lossless = FALSE;
+ params.quality = 50;
+ params.save_profile = (metadata_flags & GIMP_METADATA_SAVE_COLOR_PROFILE) != 0;
+ params.save_bit_depth = 8;
+
+ switch (run_mode)
+ {
+ case GIMP_RUN_INTERACTIVE:
+ case GIMP_RUN_WITH_LAST_VALS:
+ export = gimp_export_image (&image_ID, &drawable_ID, "AVIF",
+ GIMP_EXPORT_CAN_HANDLE_RGB |
+ GIMP_EXPORT_CAN_HANDLE_ALPHA);
+
+ if (export == GIMP_EXPORT_CANCEL)
+ {
+ values[0].data.d_status = GIMP_PDB_CANCEL;
+ g_clear_object (&metadata);
+ return;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ switch (run_mode)
+ {
+ case GIMP_RUN_INTERACTIVE:
+ gimp_get_data (SAVE_PROC_AV1, &params);
+
+ if (! save_dialog (&params, image_ID, name))
+ status = GIMP_PDB_CANCEL;
+ break;
+
+ case GIMP_RUN_WITH_LAST_VALS:
+ gimp_get_data (SAVE_PROC_AV1, &params);
+ break;
+
+ case GIMP_RUN_NONINTERACTIVE:
+ /* Make sure all the arguments are there! */
+ if (n_params != 7)
+ {
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+ else
+ {
+ params.quality = (param[5].data.d_int32);
+ params.lossless = (param[6].data.d_int32);
+ }
+ break;
+ }
+
+ if (status == GIMP_PDB_SUCCESS)
+ {
+ GFile *file = g_file_new_for_uri (param[3].data.d_string);
+
+#if LIBHEIF_HAVE_VERSION(1,13,0)
+ heif_init (NULL);
+#endif
+
+ if (save_image (file, image_ID, drawable_ID,
+ &params,
+ &error,
+ heif_compression_AV1))
+ {
+ gimp_set_data (SAVE_PROC_AV1, &params, sizeof (params));
+ }
+ else
+ {
+ status = GIMP_PDB_EXECUTION_ERROR;
+ }
+
+#if LIBHEIF_HAVE_VERSION(1,13,0)
+ heif_deinit ();
+#endif
+
+ g_object_unref (file);
+ }
+
+ if (export == GIMP_EXPORT_EXPORT)
+ gimp_image_delete (image_ID);
+
+ g_clear_object (&metadata);
+ }
+#endif
+ else
+ {
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+
+ if (status != GIMP_PDB_SUCCESS && error)
+ {
+ *nreturn_vals = 2;
+ values[1].type = GIMP_PDB_STRING;
+ values[1].data.d_string = error->message;
+ }
+
+ values[0].data.d_status = status;
+}
+
+static goffset
+get_file_size (GFile *file,
+ GError **error)
+{
+ GFileInfo *info;
+ goffset size = 1;
+
+ info = g_file_query_info (file,
+ G_FILE_ATTRIBUTE_STANDARD_SIZE,
+ G_FILE_QUERY_INFO_NONE,
+ NULL, error);
+ if (info)
+ {
+ size = g_file_info_get_size (info);
+
+ g_object_unref (info);
+ }
+
+ return size;
+}
+
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+static void
+heifplugin_color_profile_set_tag (cmsHPROFILE profile,
+ cmsTagSignature sig,
+ const gchar *tag)
+{
+ cmsMLU *mlu;
+
+ mlu = cmsMLUalloc (NULL, 1);
+ cmsMLUsetASCII (mlu, "en", "US", tag);
+ cmsWriteTag (profile, sig, mlu);
+ cmsMLUfree (mlu);
+}
+
+static GimpColorProfile *
+nclx_to_gimp_profile (const struct heif_color_profile_nclx *nclx)
+{
+ const gchar *primaries_name = "";
+ const gchar *trc_name = "";
+ cmsHPROFILE profile = NULL;
+ cmsCIExyY whitepoint;
+ cmsCIExyYTRIPLE primaries;
+ cmsToneCurve *curve[3];
+
+ cmsFloat64Number srgb_parameters[5] =
+ { 2.4, 1.0 / 1.055, 0.055 / 1.055, 1.0 / 12.92, 0.04045 };
+
+ cmsFloat64Number rec709_parameters[5] =
+ { 2.2, 1.0 / 1.099, 0.099 / 1.099, 1.0 / 4.5, 0.081 };
+
+ if (nclx == NULL)
+ {
+ return NULL;
+ }
+
+ if (nclx->color_primaries == heif_color_primaries_unspecified)
+ {
+ return NULL;
+ }
+
+ if (nclx->color_primaries == heif_color_primaries_ITU_R_BT_709_5)
+ {
+ if (nclx->transfer_characteristics == heif_transfer_characteristic_IEC_61966_2_1)
+ {
+ return gimp_color_profile_new_rgb_srgb();
+ }
+
+ if (nclx->transfer_characteristics == heif_transfer_characteristic_linear)
+ {
+ return gimp_color_profile_new_rgb_srgb_linear();
+ }
+ }
+
+ whitepoint.x = nclx->color_primary_white_x;
+ whitepoint.y = nclx->color_primary_white_y;
+ whitepoint.Y = 1.0f;
+
+ primaries.Red.x = nclx->color_primary_red_x;
+ primaries.Red.y = nclx->color_primary_red_y;
+ primaries.Red.Y = 1.0f;
+
+ primaries.Green.x = nclx->color_primary_green_x;
+ primaries.Green.y = nclx->color_primary_green_y;
+ primaries.Green.Y = 1.0f;
+
+ primaries.Blue.x = nclx->color_primary_blue_x;
+ primaries.Blue.y = nclx->color_primary_blue_y;
+ primaries.Blue.Y = 1.0f;
+
+ switch (nclx->color_primaries)
+ {
+ case heif_color_primaries_ITU_R_BT_709_5:
+ primaries_name = "BT.709";
+ break;
+ case heif_color_primaries_ITU_R_BT_470_6_System_M:
+ primaries_name = "BT.470-6 System M";
+ break;
+ case heif_color_primaries_ITU_R_BT_470_6_System_B_G:
+ primaries_name = "BT.470-6 System BG";
+ break;
+ case heif_color_primaries_ITU_R_BT_601_6:
+ primaries_name = "BT.601";
+ break;
+ case heif_color_primaries_SMPTE_240M:
+ primaries_name = "SMPTE 240M";
+ break;
+ case 8:
+ primaries_name = "Generic film";
+ break;
+ case 9:
+ primaries_name = "BT.2020";
+ break;
+ case 10:
+ primaries_name = "XYZ";
+ break;
+ case 11:
+ primaries_name = "SMPTE RP 431-2";
+ break;
+ case 12:
+ primaries_name = "SMPTE EG 432-1 (DCI P3)";
+ break;
+ case 22:
+ primaries_name = "EBU Tech. 3213-E";
+ break;
+ default:
+ g_warning ("%s: Unsupported color_primaries value %d.",
+ G_STRFUNC, nclx->color_primaries);
+ return NULL;
+ break;
+ }
+
+ switch (nclx->transfer_characteristics)
+ {
+ case heif_transfer_characteristic_ITU_R_BT_709_5:
+ curve[0] = curve[1] = curve[2] = cmsBuildParametricToneCurve (NULL, 4,
+ rec709_parameters);
+ profile = cmsCreateRGBProfile (&whitepoint, &primaries, curve);
+ cmsFreeToneCurve (curve[0]);
+ trc_name = "Rec709 RGB";
+ break;
+ case heif_transfer_characteristic_ITU_R_BT_470_6_System_M:
+ curve[0] = curve[1] = curve[2] = cmsBuildGamma (NULL, 2.2f);
+ profile = cmsCreateRGBProfile (&whitepoint, &primaries, curve);
+ cmsFreeToneCurve (curve[0]);
+ trc_name = "Gamma2.2 RGB";
+ break;
+ case heif_transfer_characteristic_ITU_R_BT_470_6_System_B_G:
+ curve[0] = curve[1] = curve[2] = cmsBuildGamma (NULL, 2.8f);
+ profile = cmsCreateRGBProfile (&whitepoint, &primaries, curve);
+ cmsFreeToneCurve (curve[0]);
+ trc_name = "Gamma2.8 RGB";
+ break;
+ case heif_transfer_characteristic_linear:
+ curve[0] = curve[1] = curve[2] = cmsBuildGamma (NULL, 1.0f);
+ profile = cmsCreateRGBProfile (&whitepoint, &primaries, curve);
+ cmsFreeToneCurve (curve[0]);
+ trc_name = "linear RGB";
+ break;
+ case heif_transfer_characteristic_IEC_61966_2_1:
+ /* same as default */
+ default:
+ curve[0] = curve[1] = curve[2] = cmsBuildParametricToneCurve (NULL, 4,
+ srgb_parameters);
+ profile = cmsCreateRGBProfile (&whitepoint, &primaries, curve);
+ cmsFreeToneCurve (curve[0]);
+ trc_name = "sRGB-TRC RGB";
+ break;
+ }
+
+ if (profile)
+ {
+ GimpColorProfile *new_profile;
+ gchar *description = g_strdup_printf ("%s %s", primaries_name, trc_name);
+
+ heifplugin_color_profile_set_tag (profile, cmsSigProfileDescriptionTag,
+ description);
+ heifplugin_color_profile_set_tag (profile, cmsSigDeviceMfgDescTag,
+ "GIMP");
+ heifplugin_color_profile_set_tag (profile, cmsSigDeviceModelDescTag,
+ description);
+ heifplugin_color_profile_set_tag (profile, cmsSigCopyrightTag,
+ "Public Domain");
+
+ new_profile = gimp_color_profile_new_from_lcms_profile (profile, NULL);
+
+ cmsCloseProfile (profile);
+ g_free (description);
+ return new_profile;
+ }
+
+ return NULL;
+}
+#endif
+
+gint32
+load_image (GFile *file,
+ gboolean interactive,
+ GError **error)
+{
+ GInputStream *input;
+ goffset file_size;
+ guchar *file_buffer;
+ gsize bytes_read;
+ struct heif_context *ctx;
+ struct heif_error err;
+ struct heif_image_handle *handle = NULL;
+ struct heif_image *img = NULL;
+ GimpColorProfile *profile = NULL;
+ gint n_images;
+ heif_item_id primary;
+ heif_item_id selected_image;
+ gboolean has_alpha;
+ gint width;
+ gint height;
+ gint32 image_ID;
+ gint32 layer_ID;
+ GeglBuffer *buffer;
+ const Babl *format;
+ const guint8 *data;
+ gint stride;
+ gint bit_depth = 8;
+ enum heif_chroma chroma = heif_chroma_interleaved_RGB;
+ GimpPrecision precision;
+ gboolean load_linear;
+ const char *encoding;
+ char *filename = g_file_get_parse_name (file);
+
+ gimp_progress_init_printf (_("Opening '%s'"),
+ filename);
+ g_free (filename);
+
+ file_size = get_file_size (file, error);
+ if (file_size <= 0)
+ return -1;
+
+ input = G_INPUT_STREAM (g_file_read (file, NULL, error));
+ if (! input)
+ return -1;
+
+ file_buffer = g_malloc (file_size);
+
+ if (! g_input_stream_read_all (input, file_buffer, file_size,
+ &bytes_read, NULL, error) &&
+ bytes_read == 0)
+ {
+ g_free (file_buffer);
+ g_object_unref (input);
+ return -1;
+ }
+
+ gimp_progress_update (0.25);
+
+ ctx = heif_context_alloc ();
+ if (!ctx)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ "cannot allocate heif_context");
+ g_free (file_buffer);
+ g_object_unref (input);
+ return -1;
+ }
+
+ err = heif_context_read_from_memory (ctx, file_buffer, file_size, NULL);
+ if (err.code)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ _("Loading HEIF image failed: %s"),
+ err.message);
+ heif_context_free (ctx);
+ g_free (file_buffer);
+ g_object_unref (input);
+
+ return -1;
+ }
+
+ g_free (file_buffer);
+ g_object_unref (input);
+
+ gimp_progress_update (0.5);
+
+ /* analyze image content
+ * Is there more than one image? Which image is the primary image?
+ */
+
+ n_images = heif_context_get_number_of_top_level_images (ctx);
+ if (n_images == 0)
+ {
+ g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ _("Loading HEIF image failed: "
+ "Input file contains no readable images"));
+ heif_context_free (ctx);
+
+ return -1;
+ }
+
+ err = heif_context_get_primary_image_ID (ctx, &primary);
+ if (err.code)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ _("Loading HEIF image failed: %s"),
+ err.message);
+ heif_context_free (ctx);
+
+ return -1;
+ }
+
+ /* if primary image is no top level image or not present (invalid
+ * file), just take the first image
+ */
+
+ if (! heif_context_is_top_level_image_ID (ctx, primary))
+ {
+ gint n = heif_context_get_list_of_top_level_image_IDs (ctx, &primary, 1);
+ g_assert (n == 1);
+ }
+
+ selected_image = primary;
+
+ /* if there are several images in the file and we are running
+ * interactive, let the user choose a picture
+ */
+
+ if (interactive && n_images > 1)
+ {
+ if (! load_dialog (ctx, &selected_image))
+ {
+ heif_context_free (ctx);
+
+ return LOAD_HEIF_CANCEL;
+ }
+ }
+
+ /* load the picture */
+
+ err = heif_context_get_image_handle (ctx, selected_image, &handle);
+ if (err.code)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ _("Loading HEIF image failed: %s"),
+ err.message);
+ heif_context_free (ctx);
+
+ return -1;
+ }
+
+ has_alpha = heif_image_handle_has_alpha_channel (handle);
+
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ bit_depth = heif_image_handle_get_luma_bits_per_pixel (handle);
+ if (bit_depth < 0)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ "Input image has undefined bit-depth");
+ heif_image_handle_release (handle);
+ heif_context_free (ctx);
+
+ return -1;
+ }
+#endif
+
+ if (bit_depth == 8)
+ {
+ if (has_alpha)
+ {
+ chroma = heif_chroma_interleaved_RGBA;
+ }
+ else
+ {
+ chroma = heif_chroma_interleaved_RGB;
+ }
+ }
+ else /* high bit depth */
+ {
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+#if ( G_BYTE_ORDER == G_LITTLE_ENDIAN )
+ if (has_alpha)
+ {
+ chroma = heif_chroma_interleaved_RRGGBBAA_LE;
+ }
+ else
+ {
+ chroma = heif_chroma_interleaved_RRGGBB_LE;
+ }
+#else
+ if (has_alpha)
+ {
+ chroma = heif_chroma_interleaved_RRGGBBAA_BE;
+ }
+ else
+ {
+ chroma = heif_chroma_interleaved_RRGGBB_BE;
+ }
+#endif
+#endif
+ }
+
+ err = heif_decode_image (handle,
+ &img,
+ heif_colorspace_RGB,
+ chroma,
+ NULL);
+ if (err.code)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ _("Loading HEIF image failed: %s"),
+ err.message);
+ heif_image_handle_release (handle);
+ heif_context_free (ctx);
+
+ return -1;
+ }
+
+#if LIBHEIF_HAVE_VERSION(1,4,0)
+ switch (heif_image_handle_get_color_profile_type (handle))
+ {
+ case heif_color_profile_type_not_present:
+ break;
+ case heif_color_profile_type_rICC:
+ case heif_color_profile_type_prof:
+ /* I am unsure, but it looks like both these types represent an
+ * ICC color profile. XXX
+ */
+ {
+ void *profile_data;
+ size_t profile_size;
+
+ profile_size = heif_image_handle_get_raw_color_profile_size (handle);
+ profile_data = g_malloc0 (profile_size);
+ err = heif_image_handle_get_raw_color_profile (handle, profile_data);
+
+ if (err.code)
+ g_warning ("%s: color profile loading failed and discarded.",
+ G_STRFUNC);
+ else
+ profile = gimp_color_profile_new_from_icc_profile ((guint8 *) profile_data,
+ profile_size, NULL);
+
+ g_free (profile_data);
+ }
+ break;
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ case heif_color_profile_type_nclx:
+ {
+ struct heif_color_profile_nclx *nclx = NULL;
+
+ err = heif_image_handle_get_nclx_color_profile (handle, &nclx);
+ if (err.code)
+ {
+ g_warning ("%s: NCLX profile loading failed and discarded.",
+ G_STRFUNC);
+ }
+ else
+ {
+ profile = nclx_to_gimp_profile (nclx);
+ heif_nclx_color_profile_free (nclx);
+ }
+ }
+ break;
+#endif
+ default:
+ g_warning ("%s: unknown color profile type has been discarded.",
+ G_STRFUNC);
+ break;
+ }
+#endif /* LIBHEIF_HAVE_VERSION(1,4,0) */
+
+ gimp_progress_update (0.75);
+
+ width = heif_image_get_width (img, heif_channel_interleaved);
+ height = heif_image_get_height (img, heif_channel_interleaved);
+
+ /* create GIMP image and copy HEIF image into the GIMP image
+ * (converting it to RGB)
+ */
+
+ if (profile)
+ {
+ load_linear = gimp_color_profile_is_linear (profile);
+ }
+ else
+ {
+ load_linear = FALSE;
+ }
+
+ if (load_linear)
+ {
+ if (bit_depth == 8)
+ {
+ precision = GIMP_PRECISION_U8_LINEAR;
+ encoding = has_alpha ? "RGBA u8" : "RGB u8";
+ }
+ else
+ {
+ precision = GIMP_PRECISION_U16_LINEAR;
+ encoding = has_alpha ? "RGBA u16" : "RGB u16";
+ }
+ }
+ else /* non-linear profiles */
+ {
+ if (bit_depth == 8)
+ {
+ precision = GIMP_PRECISION_U8_GAMMA;
+ encoding = has_alpha ? "R'G'B'A u8" : "R'G'B' u8";
+ }
+ else
+ {
+ precision = GIMP_PRECISION_U16_GAMMA;
+ encoding = has_alpha ? "R'G'B'A u16" : "R'G'B' u16";
+ }
+ }
+
+ image_ID = gimp_image_new_with_precision (width, height, GIMP_RGB, precision);
+ gimp_image_set_filename (image_ID, g_file_get_uri (file));
+
+ if (profile)
+ {
+ if (gimp_color_profile_is_rgb (profile))
+ {
+ gimp_image_set_color_profile (image_ID, profile);
+ }
+ else if (gimp_color_profile_is_gray (profile))
+ {
+ g_warning ("Gray ICC profile was not applied to the imported image.");
+ }
+ else
+ {
+ g_warning ("ICC profile was not applied to the imported image.");
+ }
+ }
+
+ layer_ID = gimp_layer_new (image_ID,
+ _("image content"),
+ width, height,
+ has_alpha ? GIMP_RGBA_IMAGE : GIMP_RGB_IMAGE,
+ 100.0,
+ gimp_image_get_default_new_layer_mode (image_ID));
+
+ gimp_image_insert_layer (image_ID, layer_ID, -1, 0);
+
+ buffer = gimp_drawable_get_buffer (layer_ID);
+
+ data = heif_image_get_plane_readonly (img, heif_channel_interleaved,
+ &stride);
+
+ format = babl_format_with_space (encoding,
+ gegl_buffer_get_format (buffer));
+
+ if (bit_depth == 8)
+ {
+ gegl_buffer_set (buffer,
+ GEGL_RECTANGLE (0, 0, width, height),
+ 0, format, data, stride);
+ }
+ else /* high bit depth */
+ {
+ uint16_t *data16;
+ const uint16_t *src16;
+ uint16_t *dest16;
+ gint x, y, rowentries;
+ int tmp_pixelval;
+
+ if (has_alpha)
+ {
+ rowentries = width * 4;
+ }
+ else /* no alpha */
+ {
+ rowentries = width * 3;
+ }
+
+ data16 = g_malloc_n (height, rowentries * 2);
+ dest16 = data16;
+
+ switch (bit_depth)
+ {
+ case 10:
+ for (y = 0; y < height; y++)
+ {
+ src16 = (const uint16_t *) (y * stride + data);
+ for (x = 0; x < rowentries; x++)
+ {
+ tmp_pixelval = (int) ( ( (float) (0x03ff & (*src16)) / 1023.0f) * 65535.0f + 0.5f);
+ *dest16 = CLAMP (tmp_pixelval, 0, 65535);
+ dest16++;
+ src16++;
+ }
+ }
+ break;
+ case 12:
+ for (y = 0; y < height; y++)
+ {
+ src16 = (const uint16_t *) (y * stride + data);
+ for (x = 0; x < rowentries; x++)
+ {
+ tmp_pixelval = (int) ( ( (float) (0x0fff & (*src16)) / 4095.0f) * 65535.0f + 0.5f);
+ *dest16 = CLAMP (tmp_pixelval, 0, 65535);
+ dest16++;
+ src16++;
+ }
+ }
+ break;
+ default:
+ for (y = 0; y < height; y++)
+ {
+ src16 = (const uint16_t *) (y * stride + data);
+ for (x = 0; x < rowentries; x++)
+ {
+ *dest16 = *src16;
+ dest16++;
+ src16++;
+ }
+ }
+ break;
+ }
+
+ gegl_buffer_set (buffer,
+ GEGL_RECTANGLE (0, 0, width, height),
+ 0, format, data16, GEGL_AUTO_ROWSTRIDE);
+
+ g_free (data16);
+ }
+
+ g_object_unref (buffer);
+
+ {
+ size_t exif_data_size = 0;
+ uint8_t *exif_data = NULL;
+ size_t xmp_data_size = 0;
+ uint8_t *xmp_data = NULL;
+ gint n_metadata;
+ heif_item_id metadata_id;
+
+ n_metadata =
+ heif_image_handle_get_list_of_metadata_block_IDs (handle,
+ "Exif",
+ &metadata_id, 1);
+ if (n_metadata > 0)
+ {
+ exif_data_size = heif_image_handle_get_metadata_size (handle,
+ metadata_id);
+ exif_data = g_alloca (exif_data_size);
+
+ err = heif_image_handle_get_metadata (handle, metadata_id, exif_data);
+ if (err.code != 0)
+ {
+ exif_data = NULL;
+ exif_data_size = 0;
+ }
+ }
+
+ n_metadata =
+ heif_image_handle_get_list_of_metadata_block_IDs (handle,
+ "mime",
+ &metadata_id, 1);
+ if (n_metadata > 0)
+ {
+ if (g_strcmp0 (
+ heif_image_handle_get_metadata_content_type (handle, metadata_id),
+ "application/rdf+xml") == 0)
+ {
+ xmp_data_size = heif_image_handle_get_metadata_size (handle,
+ metadata_id);
+ xmp_data = g_alloca (xmp_data_size);
+
+ err = heif_image_handle_get_metadata (handle, metadata_id, xmp_data);
+ if (err.code != 0)
+ {
+ xmp_data = NULL;
+ xmp_data_size = 0;
+ }
+ }
+ }
+
+ if (exif_data || xmp_data)
+ {
+ GimpMetadata *metadata = gimp_metadata_new ();
+ GimpMetadataLoadFlags flags = GIMP_METADATA_LOAD_COMMENT | GIMP_METADATA_LOAD_RESOLUTION;
+
+ if (exif_data)
+ {
+ const guint8 tiffHeaderBE[4] = { 'M', 'M', 0, 42 };
+ const guint8 tiffHeaderLE[4] = { 'I', 'I', 42, 0 };
+ GExiv2Metadata *exif_metadata = GEXIV2_METADATA (metadata);
+ const guint8 *tiffheader = exif_data;
+ glong new_exif_size = exif_data_size;
+
+ while (new_exif_size >= 4) /*Searching for TIFF Header*/
+ {
+ if (tiffheader[0] == tiffHeaderBE[0] && tiffheader[1] == tiffHeaderBE[1] &&
+ tiffheader[2] == tiffHeaderBE[2] && tiffheader[3] == tiffHeaderBE[3])
+ {
+ break;
+ }
+ if (tiffheader[0] == tiffHeaderLE[0] && tiffheader[1] == tiffHeaderLE[1] &&
+ tiffheader[2] == tiffHeaderLE[2] && tiffheader[3] == tiffHeaderLE[3])
+ {
+ break;
+ }
+ new_exif_size--;
+ tiffheader++;
+ }
+
+ if (new_exif_size > 4) /* TIFF header + some data found*/
+ {
+ if (! gexiv2_metadata_open_buf (exif_metadata, tiffheader, new_exif_size, error))
+ {
+ g_printerr ("%s: Failed to set EXIF metadata: %s\n", G_STRFUNC, (*error)->message);
+ g_clear_error (error);
+ }
+ }
+ else
+ {
+ g_printerr ("%s: EXIF metadata not set\n", G_STRFUNC);
+ }
+ }
+
+
+ if (xmp_data)
+ {
+ if (!gimp_metadata_set_from_xmp (metadata, xmp_data, xmp_data_size, error))
+ {
+ g_printerr ("%s: Failed to set XMP metadata: %s\n", G_STRFUNC, (*error)->message);
+ g_clear_error (error);
+ }
+ }
+
+ gexiv2_metadata_set_orientation (GEXIV2_METADATA (metadata),
+ GEXIV2_ORIENTATION_NORMAL);
+ gexiv2_metadata_set_metadata_pixel_width (GEXIV2_METADATA (metadata),
+ width);
+ gexiv2_metadata_set_metadata_pixel_height (GEXIV2_METADATA (metadata),
+ height);
+ gimp_image_metadata_load_finish (image_ID, "image/heif",
+ metadata, flags,
+ interactive);
+ }
+ }
+
+ if (profile)
+ g_object_unref (profile);
+
+ heif_image_handle_release (handle);
+ heif_context_free (ctx);
+ heif_image_release (img);
+
+ gimp_progress_update (1.0);
+
+ return image_ID;
+}
+
+static struct heif_error
+write_callback (struct heif_context *ctx,
+ const void *data,
+ size_t size,
+ void *userdata)
+{
+ GOutputStream *output = userdata;
+ GError *error = NULL;
+ struct heif_error heif_error;
+
+ heif_error.code = heif_error_Ok;
+ heif_error.subcode = heif_suberror_Unspecified;
+ heif_error.message = "";
+
+ if (! g_output_stream_write_all (output, data, size, NULL, NULL, &error))
+ {
+ heif_error.code = 99; /* hmm */
+ heif_error.message = error->message;
+ }
+
+ return heif_error;
+}
+
+static gboolean
+save_image (GFile *file,
+ gint32 image_ID,
+ gint32 drawable_ID,
+ const SaveParams *params,
+ GError **error,
+ enum heif_compression_format compression)
+{
+ struct heif_image *image = NULL;
+ struct heif_context *context = heif_context_alloc ();
+ struct heif_encoder *encoder = NULL;
+ const struct heif_encoder_descriptor *encoder_descriptor;
+ const char *encoder_name;
+ struct heif_image_handle *handle = NULL;
+ struct heif_writer writer;
+ struct heif_error err;
+ GOutputStream *output;
+ GeglBuffer *buffer;
+ const gchar *encoding;
+ const Babl *format;
+ guint8 *data;
+ gint stride;
+ gint width;
+ gint height;
+ gboolean has_alpha;
+ gboolean out_linear = FALSE;
+ char *filename;
+
+ if (!context)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ "cannot allocate heif_context");
+ return FALSE;
+ }
+
+ if (compression == heif_compression_HEVC)
+ {
+ if (heif_context_get_encoder_descriptors (context,
+ heif_compression_HEVC,
+ NULL,
+ &encoder_descriptor, 1) == 1)
+ {
+ encoder_name = heif_encoder_descriptor_get_id_name (encoder_descriptor);
+ }
+ else
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ "Unable to find suitable HEIF encoder");
+ heif_context_free (context);
+ return FALSE;
+ }
+ }
+ else /* AV1 compression */
+ {
+ if (heif_context_get_encoder_descriptors (context,
+ compression,
+ "aom", /* we prefer aom rather than rav1e */
+ &encoder_descriptor, 1) == 1)
+ {
+ encoder_name = heif_encoder_descriptor_get_id_name (encoder_descriptor);
+ }
+ else if (heif_context_get_encoder_descriptors (context,
+ compression,
+ NULL,
+ &encoder_descriptor, 1) == 1)
+ {
+ encoder_name = heif_encoder_descriptor_get_id_name (encoder_descriptor);
+ }
+ else
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ "Unable to find suitable AVIF encoder");
+ heif_context_free (context);
+ return FALSE;
+ }
+ }
+
+ filename = g_file_get_parse_name (file);
+ gimp_progress_init_printf (_("Exporting '%s' using %s encoder"),
+ filename, encoder_name);
+ g_free (filename);
+
+ width = gimp_drawable_width (drawable_ID);
+ height = gimp_drawable_height (drawable_ID);
+
+ has_alpha = gimp_drawable_has_alpha (drawable_ID);
+
+ switch (params->save_bit_depth)
+ {
+ case 8:
+ err = heif_image_create (width, height,
+ heif_colorspace_RGB,
+ has_alpha ?
+ heif_chroma_interleaved_RGBA :
+ heif_chroma_interleaved_RGB,
+ &image);
+ break;
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ case 10:
+ case 12:
+#if ( G_BYTE_ORDER == G_LITTLE_ENDIAN )
+ err = heif_image_create (width, height,
+ heif_colorspace_RGB,
+ has_alpha ?
+ heif_chroma_interleaved_RRGGBBAA_LE :
+ heif_chroma_interleaved_RRGGBB_LE,
+ &image);
+#else
+ err = heif_image_create (width, height,
+ heif_colorspace_RGB,
+ has_alpha ?
+ heif_chroma_interleaved_RRGGBBAA_BE :
+ heif_chroma_interleaved_RRGGBB_BE,
+ &image);
+#endif
+ break;
+#endif
+ default:
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ "Unsupported bit depth: %d",
+ params->save_bit_depth);
+ heif_context_free (context);
+ return FALSE;
+ break;
+ }
+
+ if (err.code != 0)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ _("Encoding HEIF image failed: %s"),
+ err.message);
+ heif_context_free (context);
+ return FALSE;
+ }
+
+#if LIBHEIF_HAVE_VERSION(1,4,0)
+ if (params->save_profile)
+ {
+ GimpColorProfile *profile = NULL;
+ const guint8 *icc_data;
+ gsize icc_length;
+
+ profile = gimp_image_get_color_profile (image_ID);
+ if (profile && gimp_color_profile_is_linear (profile))
+ out_linear = TRUE;
+
+ if (! profile)
+ {
+ profile = gimp_image_get_effective_color_profile (image_ID);
+
+ if (gimp_color_profile_is_linear (profile))
+ {
+ if (gimp_image_get_precision (image_ID) != GIMP_PRECISION_U8_LINEAR)
+ {
+ /* If stored data was linear, let's convert the profile. */
+ GimpColorProfile *saved_profile;
+
+ saved_profile = gimp_color_profile_new_srgb_trc_from_color_profile (profile);
+ g_clear_object (&profile);
+ profile = saved_profile;
+ }
+ else
+ {
+ /* Keep linear profile as-is for 8-bit linear image. */
+ out_linear = TRUE;
+ }
+ }
+ }
+
+ icc_data = gimp_color_profile_get_icc_profile (profile, &icc_length);
+ heif_image_set_raw_color_profile (image, "prof", icc_data, icc_length);
+
+ g_object_unref (profile);
+ }
+ else
+ {
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ /* We save as sRGB */
+ struct heif_color_profile_nclx nclx_profile;
+
+ nclx_profile.version = 1;
+ nclx_profile.color_primaries = heif_color_primaries_ITU_R_BT_709_5;
+ nclx_profile.transfer_characteristics = heif_transfer_characteristic_IEC_61966_2_1;
+ nclx_profile.matrix_coefficients = heif_matrix_coefficients_ITU_R_BT_601_6;
+ nclx_profile.full_range_flag = 1;
+
+ heif_image_set_nclx_color_profile (image, &nclx_profile);
+
+ out_linear = FALSE;
+#endif
+ }
+#endif /* LIBHEIF_HAVE_VERSION(1,4,0) */
+
+ if (params->save_bit_depth > 8)
+ {
+ uint16_t *data16;
+ const uint16_t *src16;
+ uint16_t *dest16;
+ gint x, y, rowentries;
+ int tmp_pixelval;
+
+ if (has_alpha)
+ {
+ rowentries = width * 4;
+
+ if (out_linear)
+ encoding = "RGBA u16";
+ else
+ encoding = "R'G'B'A u16";
+ }
+ else /* no alpha */
+ {
+ rowentries = width * 3;
+
+ if (out_linear)
+ encoding = "RGB u16";
+ else
+ encoding = "R'G'B' u16";
+ }
+
+ data16 = g_malloc_n (height, rowentries * 2);
+ src16 = data16;
+
+ format = babl_format (encoding);
+
+ buffer = gimp_drawable_get_buffer (drawable_ID);
+
+ gegl_buffer_get (buffer,
+ GEGL_RECTANGLE (0, 0, width, height),
+ 1.0, format, data16, GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
+
+ g_object_unref (buffer);
+
+ heif_image_add_plane (image, heif_channel_interleaved,
+ width, height, params->save_bit_depth);
+
+ data = heif_image_get_plane (image, heif_channel_interleaved, &stride);
+
+ switch (params->save_bit_depth)
+ {
+ case 10:
+ for (y = 0; y < height; y++)
+ {
+ dest16 = (uint16_t *) (y * stride + data);
+ for (x = 0; x < rowentries; x++)
+ {
+ tmp_pixelval = (int) ( ( (float) (*src16) / 65535.0f) * 1023.0f + 0.5f);
+ *dest16 = CLAMP (tmp_pixelval, 0, 1023);
+ dest16++;
+ src16++;
+ }
+ }
+ break;
+ case 12:
+ for (y = 0; y < height; y++)
+ {
+ dest16 = (uint16_t *) (y * stride + data);
+ for (x = 0; x < rowentries; x++)
+ {
+ tmp_pixelval = (int) ( ( (float) (*src16) / 65535.0f) * 4095.0f + 0.5f);
+ *dest16 = CLAMP (tmp_pixelval, 0, 4095);
+ dest16++;
+ src16++;
+ }
+ }
+ break;
+ default:
+ for (y = 0; y < height; y++)
+ {
+ dest16 = (uint16_t *) (y * stride + data);
+ for (x = 0; x < rowentries; x++)
+ {
+ *dest16 = *src16;
+ dest16++;
+ src16++;
+ }
+ }
+ break;
+ }
+ g_free (data16);
+ }
+ else /* save_bit_depth == 8 */
+ {
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ heif_image_add_plane (image, heif_channel_interleaved,
+ width, height, 8);
+#else
+ /* old style settings */
+ heif_image_add_plane (image, heif_channel_interleaved,
+ width, height, has_alpha ? 32 : 24);
+#endif
+
+ data = heif_image_get_plane (image, heif_channel_interleaved, &stride);
+
+ buffer = gimp_drawable_get_buffer (drawable_ID);
+
+ if (has_alpha)
+ {
+ if (out_linear)
+ encoding = "RGBA u8";
+ else
+ encoding = "R'G'B'A u8";
+ }
+ else
+ {
+ if (out_linear)
+ encoding = "RGB u8";
+ else
+ encoding = "R'G'B' u8";
+ }
+ format = babl_format (encoding);
+
+ gegl_buffer_get (buffer,
+ GEGL_RECTANGLE (0, 0, width, height),
+ 1.0, format, data, stride, GEGL_ABYSS_NONE);
+
+ g_object_unref (buffer);
+ }
+
+ gimp_progress_update (0.33);
+
+ /* encode to HEIF file */
+
+ err = heif_context_get_encoder (context,
+ encoder_descriptor,
+ &encoder);
+
+ if (err.code != 0)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ "Unable to get an encoder instance");
+ heif_image_release (image);
+ heif_context_free (context);
+ return FALSE;
+ }
+
+ /* workaround for a bug in libheif when heif_encoder_set_lossless is not working
+ (known problem with encoding via rav1e) */
+ if (params->lossless)
+ {
+ heif_encoder_set_lossy_quality (encoder, 100);
+ }
+ else
+ {
+ heif_encoder_set_lossy_quality (encoder, params->quality);
+ }
+
+ heif_encoder_set_lossless (encoder, params->lossless);
+ /* heif_encoder_set_logging_level (encoder, logging_level); */
+
+#if LIBHEIF_HAVE_VERSION(1,10,0)
+ if (params->lossless)
+ {
+ err = heif_encoder_set_parameter_string (encoder, "chroma", "444");
+ if (err.code != 0)
+ {
+ g_printerr ("Failed to set chroma=444 for %s encoder: %s", encoder_name, err.message);
+ }
+ }
+#endif
+
+ err = heif_context_encode_image (context,
+ image,
+ encoder,
+ NULL,
+ &handle);
+ if (err.code != 0)
+ {
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ _("Encoding HEIF image failed: %s"),
+ err.message);
+ heif_encoder_release (encoder);
+ heif_image_release (image);
+ heif_context_free (context);
+ return FALSE;
+ }
+
+ heif_image_handle_release (handle);
+
+ gimp_progress_update (0.66);
+
+ writer.writer_api_version = 1;
+ writer.write = write_callback;
+
+ output = G_OUTPUT_STREAM (g_file_replace (file,
+ NULL, FALSE, G_FILE_CREATE_NONE,
+ NULL, error));
+ if (! output)
+ {
+ heif_encoder_release (encoder);
+ heif_image_release (image);
+ heif_context_free (context);
+ return FALSE;
+ }
+
+ err = heif_context_write (context, &writer, output);
+
+ if (err.code != 0)
+ {
+ GCancellable *cancellable = g_cancellable_new ();
+
+ g_cancellable_cancel (cancellable);
+ g_output_stream_close (output, cancellable, NULL);
+ g_object_unref (cancellable);
+
+ g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+ _("Writing HEIF image failed: %s"),
+ err.message);
+
+ heif_encoder_release (encoder);
+ heif_image_release (image);
+ heif_context_free (context);
+ return FALSE;
+ }
+
+ g_object_unref (output);
+
+ heif_encoder_release (encoder);
+ heif_image_release (image);
+ heif_context_free (context);
+
+ gimp_progress_update (1.0);
+
+ return TRUE;
+}
+
+
+/* the load dialog */
+
+#define MAX_THUMBNAIL_SIZE 320
+
+typedef struct _HeifImage HeifImage;
+
+struct _HeifImage
+{
+ uint32_t ID;
+ gchar caption[100];
+ struct heif_image *thumbnail;
+ gint width;
+ gint height;
+};
+
+static gboolean
+load_thumbnails (struct heif_context *heif,
+ HeifImage *images)
+{
+ guint32 *IDs;
+ gint n_images;
+ gint i;
+
+ n_images = heif_context_get_number_of_top_level_images (heif);
+
+ /* get list of all (top level) image IDs */
+
+ IDs = g_alloca (n_images * sizeof (guint32));
+
+ heif_context_get_list_of_top_level_image_IDs (heif, IDs, n_images);
+
+
+ /* Load a thumbnail for each image. */
+
+ for (i = 0; i < n_images; i++)
+ {
+ struct heif_image_handle *handle = NULL;
+ struct heif_error err;
+ gint width;
+ gint height;
+ struct heif_image_handle *thumbnail_handle = NULL;
+ heif_item_id thumbnail_ID;
+ gint n_thumbnails;
+ struct heif_image *thumbnail_img = NULL;
+ gint thumbnail_width;
+ gint thumbnail_height;
+
+ images[i].ID = IDs[i];
+ images[i].caption[0] = 0;
+ images[i].thumbnail = NULL;
+
+ /* get image handle */
+
+ err = heif_context_get_image_handle (heif, IDs[i], &handle);
+ if (err.code)
+ {
+ gimp_message (err.message);
+ continue;
+ }
+
+ /* generate image caption */
+
+ width = heif_image_handle_get_width (handle);
+ height = heif_image_handle_get_height (handle);
+
+ if (heif_image_handle_is_primary_image (handle))
+ {
+ g_snprintf (images[i].caption, sizeof (images[i].caption),
+ "%dx%d (%s)", width, height, _("primary"));
+ }
+ else
+ {
+ g_snprintf (images[i].caption, sizeof (images[i].caption),
+ "%dx%d", width, height);
+ }
+
+ /* get handle to thumbnail image
+ *
+ * if there is no thumbnail image, just the the image itself
+ * (will be scaled down later)
+ */
+
+ n_thumbnails = heif_image_handle_get_list_of_thumbnail_IDs (handle,
+ &thumbnail_ID,
+ 1);
+
+ if (n_thumbnails > 0)
+ {
+ err = heif_image_handle_get_thumbnail (handle, thumbnail_ID,
+ &thumbnail_handle);
+ if (err.code)
+ {
+ gimp_message (err.message);
+ continue;
+ }
+ }
+ else
+ {
+ err = heif_context_get_image_handle (heif, IDs[i], &thumbnail_handle);
+ if (err.code)
+ {
+ gimp_message (err.message);
+ continue;
+ }
+ }
+
+ /* decode the thumbnail image */
+
+ err = heif_decode_image (thumbnail_handle,
+ &thumbnail_img,
+ heif_colorspace_RGB,
+ heif_chroma_interleaved_RGB,
+ NULL);
+ if (err.code)
+ {
+ gimp_message (err.message);
+ continue;
+ }
+
+ /* if thumbnail image size exceeds the maximum, scale it down */
+
+ thumbnail_width = heif_image_handle_get_width (thumbnail_handle);
+ thumbnail_height = heif_image_handle_get_height (thumbnail_handle);
+
+ if (thumbnail_width > MAX_THUMBNAIL_SIZE ||
+ thumbnail_height > MAX_THUMBNAIL_SIZE)
+ {
+ /* compute scaling factor to fit into a max sized box */
+
+ gfloat factor_h = thumbnail_width / (gfloat) MAX_THUMBNAIL_SIZE;
+ gfloat factor_v = thumbnail_height / (gfloat) MAX_THUMBNAIL_SIZE;
+ gint new_width, new_height;
+ struct heif_image *scaled_img = NULL;
+
+ if (factor_v > factor_h)
+ {
+ new_height = MAX_THUMBNAIL_SIZE;
+ new_width = thumbnail_width / factor_v;
+ }
+ else
+ {
+ new_height = thumbnail_height / factor_h;
+ new_width = MAX_THUMBNAIL_SIZE;
+ }
+
+ /* scale the image */
+
+ err = heif_image_scale_image (thumbnail_img,
+ &scaled_img,
+ new_width, new_height,
+ NULL);
+ if (err.code)
+ {
+ gimp_message (err.message);
+ continue;
+ }
+
+ /* release the old image and only keep the scaled down version */
+
+ heif_image_release (thumbnail_img);
+ thumbnail_img = scaled_img;
+
+ thumbnail_width = new_width;
+ thumbnail_height = new_height;
+ }
+
+ heif_image_handle_release (thumbnail_handle);
+ heif_image_handle_release (handle);
+
+ /* remember the HEIF thumbnail image (we need it for the GdkPixbuf) */
+
+ images[i].thumbnail = thumbnail_img;
+
+ images[i].width = thumbnail_width;
+ images[i].height = thumbnail_height;
+ }
+
+ return TRUE;
+}
+
+static void
+load_dialog_item_activated (GtkIconView *icon_view,
+ GtkTreePath *path,
+ GtkDialog *dialog)
+{
+ gtk_dialog_response (dialog, GTK_RESPONSE_OK);
+}
+
+static gboolean
+load_dialog (struct heif_context *heif,
+ uint32_t *selected_image)
+{
+ GtkWidget *dialog;
+ GtkWidget *main_vbox;
+ GtkWidget *frame;
+ HeifImage *heif_images;
+ GtkListStore *list_store;
+ GtkTreeIter iter;
+ GtkWidget *scrolled_window;
+ GtkWidget *icon_view;
+ GtkCellRenderer *renderer;
+ gint n_images;
+ gint i;
+ gint selected_idx = -1;
+ gboolean run = FALSE;
+
+ n_images = heif_context_get_number_of_top_level_images (heif);
+
+ heif_images = g_alloca (n_images * sizeof (HeifImage));
+
+ if (! load_thumbnails (heif, heif_images))
+ return FALSE;
+
+ dialog = gimp_dialog_new (_("Load HEIF Image"), PLUG_IN_BINARY,
+ NULL, 0,
+ gimp_standard_help_func, LOAD_PROC,
+
+ _("_Cancel"), GTK_RESPONSE_CANCEL,
+ _("_OK"), GTK_RESPONSE_OK,
+
+ NULL);
+
+ main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+ gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
+ gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
+ main_vbox, TRUE, TRUE, 0);
+
+ frame = gimp_frame_new (_("Select Image"));
+ gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
+ gtk_widget_show (frame);
+
+ /* prepare list store with all thumbnails and caption */
+
+ list_store = gtk_list_store_new (2, G_TYPE_STRING, GDK_TYPE_PIXBUF);
+
+ for (i = 0; i < n_images; i++)
+ {
+ GdkPixbuf *pixbuf;
+ const guint8 *data;
+ gint stride;
+
+ gtk_list_store_append (list_store, &iter);
+ gtk_list_store_set (list_store, &iter, 0, heif_images[i].caption, -1);
+
+ data = heif_image_get_plane_readonly (heif_images[i].thumbnail,
+ heif_channel_interleaved,
+ &stride);
+
+ pixbuf = gdk_pixbuf_new_from_data (data,
+ GDK_COLORSPACE_RGB,
+ FALSE,
+ 8,
+ heif_images[i].width,
+ heif_images[i].height,
+ stride,
+ NULL,
+ NULL);
+
+ gtk_list_store_set (list_store, &iter, 1, pixbuf, -1);
+ }
+
+ scrolled_window = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
+ GTK_SHADOW_IN);
+ gtk_widget_set_size_request (scrolled_window,
+ 2 * MAX_THUMBNAIL_SIZE,
+ 1.5 * MAX_THUMBNAIL_SIZE);
+ gtk_container_add (GTK_CONTAINER (frame), scrolled_window);
+ gtk_widget_show (scrolled_window);
+
+ icon_view = gtk_icon_view_new_with_model (GTK_TREE_MODEL (list_store));
+ gtk_container_add (GTK_CONTAINER (scrolled_window), icon_view);
+ gtk_widget_show (icon_view);
+
+ renderer = gtk_cell_renderer_pixbuf_new ();
+ gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (icon_view), renderer, FALSE);
+ gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (icon_view), renderer,
+ "pixbuf", 1,
+ NULL);
+
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (icon_view), renderer, FALSE);
+ gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (icon_view), renderer,
+ "text", 0,
+ NULL);
+ g_object_set (renderer,
+ "alignment", PANGO_ALIGN_CENTER,
+ "wrap-mode", PANGO_WRAP_WORD_CHAR,
+ "xalign", 0.5,
+ "yalign", 0.0,
+ NULL);
+
+ g_signal_connect (icon_view, "item-activated",
+ G_CALLBACK (load_dialog_item_activated),
+ dialog);
+
+ /* pre-select the primary image */
+
+ for (i = 0; i < n_images; i++)
+ {
+ if (heif_images[i].ID == *selected_image)
+ {
+ selected_idx = i;
+ break;
+ }
+ }
+
+ if (selected_idx != -1)
+ {
+ GtkTreePath *path = gtk_tree_path_new_from_indices (selected_idx, -1);
+
+ gtk_icon_view_select_path (GTK_ICON_VIEW (icon_view), path);
+ gtk_tree_path_free (path);
+ }
+
+ gtk_widget_show (main_vbox);
+ gtk_widget_show (dialog);
+
+ run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
+
+ if (run)
+ {
+ GList *selected_items =
+ gtk_icon_view_get_selected_items (GTK_ICON_VIEW (icon_view));
+
+ if (selected_items)
+ {
+ GtkTreePath *path = selected_items->data;
+ gint *indices = gtk_tree_path_get_indices (path);
+
+ *selected_image = heif_images[indices[0]].ID;
+
+ g_list_free_full (selected_items,
+ (GDestroyNotify) gtk_tree_path_free);
+ }
+ }
+
+ gtk_widget_destroy (dialog);
+
+ /* release thumbnail images */
+
+ for (i = 0 ; i < n_images; i++)
+ heif_image_release (heif_images[i].thumbnail);
+
+ return run;
+}
+
+
+/* the save dialog */
+
+static void
+save_dialog_lossless_button_toggled (GtkToggleButton *source,
+ GtkWidget *hbox)
+{
+ gboolean lossless = gtk_toggle_button_get_active (source);
+
+ gtk_widget_set_sensitive (hbox, ! lossless);
+}
+
+gboolean
+save_dialog (SaveParams *params,
+ gint32 image_ID,
+ const gchar *procname)
+{
+ GtkWidget *dialog;
+ GtkWidget *main_vbox;
+ GtkWidget *hbox;
+ GtkWidget *label;
+ GtkWidget *lossless_button;
+ GtkWidget *frame;
+#if LIBHEIF_HAVE_VERSION(1,4,0)
+ GtkWidget *profile_button;
+#endif
+ GtkWidget *quality_slider;
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ GtkWidget *table;
+ GtkWidget *label2;
+ GtkWidget *combo;
+#endif
+ gboolean run = FALSE;
+
+ dialog = gimp_export_dialog_new (g_strcmp0 (procname, SAVE_PROC_AV1) == 0?
+ "AVIF" : "HEIF",
+ PLUG_IN_BINARY, procname);
+
+ main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+ gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
+ gtk_box_pack_start (GTK_BOX (gimp_export_dialog_get_content_area (dialog)),
+ main_vbox, TRUE, TRUE, 0);
+
+ frame = gimp_frame_new (NULL);
+ gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
+
+ lossless_button = gtk_check_button_new_with_mnemonic (_("Nearly _lossless"));
+ gtk_frame_set_label_widget (GTK_FRAME (frame), lossless_button);
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+ label = gtk_label_new_with_mnemonic (_("_Quality:"));
+ quality_slider = gtk_hscale_new_with_range (0, 100, 5);
+ gtk_scale_set_value_pos (GTK_SCALE (quality_slider), GTK_POS_RIGHT);
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (hbox), quality_slider, TRUE, TRUE, 0);
+ gtk_container_add (GTK_CONTAINER (frame), hbox);
+
+ gtk_range_set_value (GTK_RANGE (quality_slider), params->quality);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (lossless_button),
+ params->lossless);
+ gtk_widget_set_sensitive (hbox, !params->lossless);
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), quality_slider);
+
+ g_signal_connect (lossless_button, "toggled",
+ G_CALLBACK (save_dialog_lossless_button_toggled),
+ hbox);
+
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ switch (gimp_image_get_precision (image_ID))
+ {
+ case GIMP_PRECISION_U8_LINEAR:
+ case GIMP_PRECISION_U8_GAMMA:
+ /* image is 8bit depth */
+ params->save_bit_depth = 8;
+ break;
+ default:
+ /* high bit depth */
+ if (params->save_bit_depth < 12)
+ {
+ params->save_bit_depth = 10;
+ }
+ else if (params->save_bit_depth > 12)
+ {
+ params->save_bit_depth = 12;
+ }
+ break;
+ }
+
+ table = gtk_table_new (1, 2, FALSE);
+ gtk_table_set_col_spacings (GTK_TABLE (table), 6);
+ gtk_box_pack_start (GTK_BOX (main_vbox), table, FALSE, FALSE, 0);
+ gtk_widget_show (table);
+
+ label2 = gtk_label_new (_("Bit depth:"));
+ gtk_label_set_xalign (GTK_LABEL (label2), 0.0);
+ gtk_table_attach (GTK_TABLE (table), label2, 0, 1, 0, 1,
+ GTK_FILL, GTK_FILL, 0, 0);
+ gtk_widget_show (label2);
+
+ combo = gimp_int_combo_box_new (_("8 bit/channel"), 8,
+ _("10 bit/channel"), 10,
+ _("12 bit/channel"), 12,
+ NULL);
+ gtk_table_attach (GTK_TABLE (table), combo, 1, 2, 0, 1,
+ GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
+ gtk_widget_show (combo);
+ gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (combo), params->save_bit_depth);
+#endif
+
+#if LIBHEIF_HAVE_VERSION(1,4,0)
+ profile_button = gtk_check_button_new_with_mnemonic (_("Save color _profile"));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (profile_button),
+ params->save_profile);
+ g_signal_connect (profile_button, "toggled",
+ G_CALLBACK (gimp_toggle_button_update),
+ &params->save_profile);
+ gtk_box_pack_start (GTK_BOX (main_vbox), profile_button, FALSE, FALSE, 0);
+#endif
+
+ gtk_widget_show_all (dialog);
+
+ run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
+
+ if (run)
+ {
+ params->quality = gtk_range_get_value (GTK_RANGE (quality_slider));
+ params->lossless = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (lossless_button));
+#if LIBHEIF_HAVE_VERSION(1,8,0)
+ gimp_int_combo_box_get_active (GIMP_INT_COMBO_BOX (combo), &params->save_bit_depth);
+#endif
+ }
+
+ gtk_widget_destroy (dialog);
+
+ return run;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-30 03:12:32 +0000