#include "main.h"
#include "image-load.h"
+#include "image_load_cr3.h"
#include "image_load_gdk.h"
#include "image_load_jpeg.h"
#include "image_load_tiff.h"
#include "image_load_dds.h"
#include "image_load_djvu.h"
+#include "image_load_external.h"
#include "image_load_pdf.h"
+#include "image_load_psd.h"
#include "image_load_heif.h"
#include "image_load_ffmpegthumbnailer.h"
#include "image_load_collection.h"
#include "image_load_webp.h"
+#include "image_load_zxscr.h"
+#include "image_load_j2k.h"
+#include "image_load_jpegxl.h"
+#include "image_load_libraw.h"
+#include "image_load_svgz.h"
+#include "misc.h"
#include "exif.h"
#include "filedata.h"
#define IMAGE_LOADER_READ_BUFFER_SIZE_DEFAULT 4096
#define IMAGE_LOADER_IDLE_READ_LOOP_COUNT_DEFAULT 1
-
+/**
+ * @page diagrams Diagrams
+ * @section image_load_overview Image Load Overview
+ * @startuml
+ * object image_change
+ * object image_change_complete
+ * object image_load_begin
+ * object image_loader_start
+ * object image_loader_start_thread
+ * object image_loader_start_idle
+ * object image_loader_setup_source
+ * object image_loader_thread_run
+ * object image_loader_begin
+ * object image_loader_setuploader
+ * circle "il->memory_mapped"
+ * object exif_get_preview_
+ * object exif_get_preview
+ * object libraw_get_preview
+ *
+ * image_change : image.c
+ * image_change_complete : image.c
+ * image_load_begin : image.c
+ * image_loader_start : image_load.c
+ * image_loader_start_thread : image_load.c
+ * image_loader_start_idle : image_load.c
+ * image_loader_thread_run : image_load.c
+ * image_loader_begin : image_load.c
+ * image_loader_setuploader : image_load.c
+ * image_loader_setuploader : -
+ * image_loader_setuploader : Select backend using magic
+ * image_loader_setup_source : image_load.c
+ * exif_get_preview : exiv2.cc
+ * exif_get_preview : EXIV2_TEST_VERSION(0,17,90)
+ * exif_get_preview_ : exif.c
+ * exif_get_preview_ : -
+ * exif_get_preview_ : If exiv2 not installed
+ * libraw_get_preview : image_load_libraw.c
+ *
+ * image_change --> image_change_complete
+ * image_change_complete --> image_load_begin
+ * image_load_begin --> image_loader_start
+ * image_loader_start --> image_loader_start_thread
+ * image_loader_start --> image_loader_start_idle : Obsolete - no threads version
+ * image_loader_start_thread --> image_loader_thread_run
+ * image_loader_start_thread --> image_loader_setup_source
+ * image_loader_setup_source --> exif_get_preview_
+ * image_loader_setup_source --> exif_get_preview
+ * image_loader_setup_source --> libraw_get_preview : Try libraw if exiv2 fails
+ * exif_get_preview_ ..> "il->memory_mapped"
+ * exif_get_preview ..> "il->memory_mapped"
+ * libraw_get_preview ..> "il->memory_mapped"
+ * image_loader_thread_run --> image_loader_begin
+ * image_loader_begin --> image_loader_setuploader
+ * "il->memory_mapped" ..> image_loader_setuploader
+ * note left of "il->memory_mapped" : Points to first byte of embedded jpeg (#FFD8)\n if preview found, otherwise to first byte of file
+ * @enduml
+ */
+ /**
+ * @file
+ * @ref image_load_overview "Image Load Overview"
+ */
+
/**************************************************************************************/
/* image loader class */
static guint signals[SIGNAL_COUNT] = { 0 };
static void image_loader_init(GTypeInstance *instance, gpointer g_class);
+static void image_loader_class_init_wrapper(void *data, void *user_data);
static void image_loader_class_init(ImageLoaderClass *class);
static void image_loader_finalize(GObject *object);
static void image_loader_stop(ImageLoader *il);
sizeof(ImageLoaderClass),
NULL, /* base_init */
NULL, /* base_finalize */
- (GClassInitFunc)image_loader_class_init, /* class_init */
+ (GClassInitFunc)image_loader_class_init_wrapper, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
sizeof(ImageLoader),
il->idle_read_loop_count = IMAGE_LOADER_IDLE_READ_LOOP_COUNT_DEFAULT;
il->read_buffer_size = IMAGE_LOADER_READ_BUFFER_SIZE_DEFAULT;
il->mapped_file = NULL;
+ il->preview = IMAGE_LOADER_PREVIEW_NONE;
il->requested_width = 0;
il->requested_height = 0;
DEBUG_1("new image loader %p, bufsize=%" G_GSIZE_FORMAT " idle_loop=%u", il, il->read_buffer_size, il->idle_read_loop_count);
}
+static void image_loader_class_init_wrapper(void *data, void *user_data)
+{
+ image_loader_class_init(data);
+}
+
static void image_loader_class_init(ImageLoaderClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
}
-/* DONE and ERROR are emited only once, thus they can have normal priority
+/* DONE and ERROR are emitted only once, thus they can have normal priority
PERCENT and AREA_READY should be processed ASAP
*/
size_t h, rs;
/* a workaround for
- http://bugzilla.gnome.org/show_bug.cgi?id=547669
- http://bugzilla.gnome.org/show_bug.cgi?id=589334
+ https://bugzilla.gnome.org/show_bug.cgi?id=547669
+ https://bugzilla.gnome.org/show_bug.cgi?id=589334
*/
gchar *format = il->backend.get_format_name(loader);
if (strcmp(format, "svg") == 0 ||
static void image_loader_setup_loader(ImageLoader *il)
{
+#if defined HAVE_TIFF || defined HAVE_PDF || defined HAVE_HEIF || defined HAVE_DJVU
gchar *format;
+#endif
+
+ gint external_preview = 1;
g_mutex_lock(il->data_mutex);
+
+ if (options->external_preview.enable)
+ {
+ gchar *cmd_line;
+ gchar *tilde_filename;
+
+ tilde_filename = expand_tilde(options->external_preview.select);
+
+ cmd_line = g_strdup_printf("\"%s\" \"%s\"" , tilde_filename, il->fd->path);
+
+ external_preview = runcmd(cmd_line);
+ g_free(cmd_line);
+ g_free(tilde_filename);
+ }
+
+ if (external_preview == 0)
+ {
+ DEBUG_1("Using custom external loader");
+ image_loader_backend_set_external(&il->backend);
+ }
+ else
+
#ifdef HAVE_FFMPEGTHUMBNAILER
if (il->fd->format_class == FORMAT_CLASS_VIDEO)
{
else
#endif
#ifdef HAVE_HEIF
- if (il->bytes_total >= 10 &&
- (memcmp(il->mapped_file + 4, "ftypheic", 8) == 0))
+ if (il->bytes_total >= 12 &&
+ ((memcmp(il->mapped_file + 4, "ftypheic", 8) == 0) ||
+ (memcmp(il->mapped_file + 4, "ftypmsf1", 8) == 0) ||
+ (memcmp(il->mapped_file + 4, "ftypmif1", 8) == 0) ||
+ (memcmp(il->mapped_file + 4, "ftypavif", 8) == 0)))
{
DEBUG_1("Using custom heif loader");
image_loader_backend_set_heif(&il->backend);
DEBUG_1("Using custom jpeg loader");
image_loader_backend_set_jpeg(&il->backend);
}
+#ifndef HAVE_RAW
+ else
+ if (il->bytes_total >= 11 &&
+ (memcmp(il->mapped_file + 4, "ftypcrx", 7) == 0) &&
+ (memcmp(il->mapped_file + 64, "CanonCR3", 8) == 0))
+ {
+ DEBUG_1("Using custom cr3 loader");
+ image_loader_backend_set_cr3(&il->backend);
+ }
+#endif
else
#endif
#ifdef HAVE_TIFF
image_loader_backend_set_dds(&il->backend);
}
else
+ if (il->bytes_total >= 6 &&
+ (memcmp(il->mapped_file, "8BPS\0\x01", 6) == 0))
+ {
+ DEBUG_1("Using custom psd loader");
+ image_loader_backend_set_psd(&il->backend);
+ }
+ else
+#ifdef HAVE_J2K
+ if (il->bytes_total >= 12 &&
+ (memcmp(il->mapped_file, "\0\0\0\x0CjP\x20\x20\x0D\x0A\x87\x0A", 12) == 0))
+ {
+ DEBUG_1("Using custom j2k loader");
+ image_loader_backend_set_j2k(&il->backend);
+ }
+ else
+#endif
+#ifdef HAVE_JPEGXL
+ if (il->bytes_total >= 12 &&
+ (memcmp(il->mapped_file, "\0\0\0\x0C\x4A\x58\x4C\x20\x0D\x0A\x87\x0A", 12) == 0))
+ {
+ DEBUG_1("Using custom jpeg xl loader");
+ image_loader_backend_set_jpegxl(&il->backend);
+ }
+ else
+ if (il->bytes_total >= 2 &&
+ (memcmp(il->mapped_file, "\xFF\x0A", 2) == 0))
+ {
+ DEBUG_1("Using custom jpeg xl loader");
+ image_loader_backend_set_jpegxl(&il->backend);
+ }
+ else
+#endif
+ if ((il->bytes_total == 6144 || il->bytes_total == 6912) &&
+ (file_extension_match(il->fd->path, ".scr")))
+ {
+ DEBUG_1("Using custom zxscr loader");
+ image_loader_backend_set_zxscr(&il->backend);
+ }
+ else
if (il->fd->format_class == FORMAT_CLASS_COLLECTION)
{
DEBUG_1("Using custom collection loader");
image_loader_backend_set_collection(&il->backend);
}
+ else
+ if (g_strcmp0(strrchr(il->fd->path, '.'), ".svgz") == 0)
+ {
+ DEBUG_1("Using custom svgz loader");
+ image_loader_backend_set_svgz(&il->backend);
+ }
else
image_loader_backend_set_default(&il->backend);
g_free(format);
#endif
+#ifdef HAVE_HEIF
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "heif") == 0)
+ {
+ il->backend.set_page_num(il->loader, il->fd->page_num);
+ }
+ g_free(format);
+#endif
+
#ifdef HAVE_DJVU
format = il->backend.get_format_name(il->loader);
if (g_strcmp0(format, "djvu") == 0)
g_free(format);
#endif
+ il->fd->format_name = il->backend.get_format_name(il->loader);
+
g_mutex_unlock(il->data_mutex);
}
static gboolean image_loader_begin(ImageLoader *il)
{
- gssize b;
+#if defined HAVE_TIFF || defined HAVE_PDF || defined HAVE_HEIF || defined HAVE_DJVU
gchar *format;
+#endif
+ gssize b;
if (il->pixbuf) return FALSE;
}
g_free(format);
#endif
+#ifdef HAVE_HEIF
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "heif") == 0)
+ {
+ gint i = il->backend.get_page_total(il->loader);
+ file_data_set_page_total(il->fd, i);
+ }
+ g_free(format);
+#endif
#ifdef HAVE_DJVU
format = il->backend.get_format_name(il->loader);
if (g_strcmp0(format, "djvu") == 0)
ExifData *exif = exif_read_fd(il->fd);
if (options->thumbnails.use_exif)
+ {
il->mapped_file = exif_get_preview(exif, (guint *)&il->bytes_total, il->requested_width, il->requested_height);
+
+ if (il->mapped_file)
+ {
+ il->preview = IMAGE_LOADER_PREVIEW_EXIF;
+ }
+ }
else
+ {
il->mapped_file = exif_get_preview(exif, (guint *)&il->bytes_total, 0, 0); /* get the largest available preview image or NULL for normal images*/
+ if (il->mapped_file)
+ {
+ /* Both exiv2 and libraw sometimes return a pointer to a file
+ * section that is not a jpeg */
+ if (!(il->mapped_file[0] == 0xFF && il->mapped_file[1] == 0xD8))
+ {
+ il->mapped_file = NULL;
+ }
+ else
+ {
+ il->preview = IMAGE_LOADER_PREVIEW_EXIF;
+ }
+ }
+ }
+
+ /* If exiv2 does not find a thumbnail, try libraw (which may be slower) */
+ if (!il->mapped_file)
+ {
+ il->mapped_file = libraw_get_preview(il, (guint *)&il->bytes_total);
+
+ if (il->mapped_file)
+ {
+ if (!(il->mapped_file[0] == 0xFF && il->mapped_file[1] == 0xD8))
+ {
+ il->mapped_file = NULL;
+ }
+ else
+ {
+ il->preview = IMAGE_LOADER_PREVIEW_LIBRAW;
+ }
+ }
+ }
+
if (il->mapped_file)
{
- il->preview = TRUE;
DEBUG_1("Usable reduced size (preview) image loaded from file %s", il->fd->path);
}
exif_free_fd(il->fd, exif);
il->mapped_file = 0;
return FALSE;
}
- il->preview = FALSE;
+ il->preview = IMAGE_LOADER_PREVIEW_NONE;
}
return TRUE;
if (il->mapped_file)
{
- if (il->preview)
+ if (il->preview == IMAGE_LOADER_PREVIEW_EXIF)
{
exif_free_preview(il->mapped_file);
}
+ else if (il->preview == IMAGE_LOADER_PREVIEW_LIBRAW)
+ {
+ libraw_free_preview(il->mapped_file);
+ }
else
{
munmap(il->mapped_file, il->bytes_total);
if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
{
- /* low prio, wait untill high prio tasks finishes */
+ /* low prio, wait until high prio tasks finishes */
image_loader_thread_wait_high();
}
else
{
if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
{
- /* low prio, wait untill high prio tasks finishes */
+ /* low prio, wait until high prio tasks finishes */
image_loader_thread_wait_high();
}
cont = image_loader_continue(il);
}
-/* FIXME - this can be rather slow and blocks until the size is known */
+/**
+ * @FIXME this can be rather slow and blocks until the size is known
+ */
gboolean image_load_dimensions(FileData *fd, gint *width, gint *height)
{
ImageLoader *il;
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