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libgimpthumb/gimpthumb-utils.[ch] added save functionality. Still

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2003-11-26  Sven Neumann  <sven@gimp.org>

	* libgimpthumb/gimpthumb-utils.[ch]
	* libgimpthumb/gimpthumbnail.[ch]: added save functionality. Still
	unfinished.
This commit is contained in:
Sven Neumann 2003-11-26 10:26:37 +00:00 committed by Sven Neumann
parent d3a8ec0c01
commit 52afe11139
5 changed files with 167 additions and 24 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2003-11-26 Sven Neumann <sven@gimp.org>
* libgimpthumb/gimpthumb-utils.[ch]
* libgimpthumb/gimpthumbnail.[ch]: added save functionality. Still
unfinished.
2003-11-26 Sven Neumann <sven@gimp.org>
* Makefile.am:

4
libgimpthumb/gimpthumb-utils.c
View file

@ -98,7 +98,7 @@ gimp_thumb_init (const gchar *creator,
}
gchar *
gimp_thumb_png_thumb_path (const gchar *uri,
gimp_thumb_png_thumb_name (const gchar *uri,
GimpThumbSize *size)
{
const gchar *name;
@ -107,7 +107,7 @@ gimp_thumb_png_thumb_path (const gchar *uri,
g_return_val_if_fail (gimp_thumb_initialized, NULL);
if (strstr (uri, "/.thumbnails/"))
if (strstr (uri, thumb_dir))
return NULL;
name = gimp_thumb_png_name (uri);

2
libgimpthumb/gimpthumb-utils.h
View file

@ -31,7 +31,7 @@ G_BEGIN_DECLS
gboolean gimp_thumb_init (const gchar *creator,
const gchar *thumb_basedir);
gchar * gimp_thumb_png_thumb_path (const gchar *uri,
gchar * gimp_thumb_png_thumb_name (const gchar *uri,
GimpThumbSize *size);
gchar * gimp_thumbnail_find_png_thumb (const gchar *uri,
GimpThumbSize *size);

175
libgimpthumb/gimpthumbnail.c
View file

@ -27,6 +27,9 @@
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
@ -60,22 +63,22 @@ enum
};
static void gimp_thumbnail_class_init (GimpThumbnailClass *klass);
static void gimp_thumbnail_init (GimpThumbnail *thumbnail);
static void gimp_thumbnail_finalize (GObject *object);
static void gimp_thumbnail_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_thumbnail_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_thumbnail_reset_info (GimpThumbnail *thumbnail);
static void gimp_thumbnail_class_init (GimpThumbnailClass *klass);
static void gimp_thumbnail_init (GimpThumbnail *thumbnail);
static void gimp_thumbnail_finalize (GObject *object);
static void gimp_thumbnail_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_thumbnail_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_thumbnail_reset_info (GimpThumbnail *thumbnail);
static GdkPixbuf * gimp_thumbnail_read_png_thumb (GimpThumbnail *thumbnail,
GimpThumbSize thumb_size,
GError **error);
static GdkPixbuf * gimp_thumbnail_read_png_thumb (GimpThumbnail *thumbnail,
GimpThumbSize thumb_size,
GError **error);
static GObjectClass *parent_class = NULL;
@ -307,10 +310,10 @@ static void
gimp_thumbnail_reset_info (GimpThumbnail *thumbnail)
{
g_object_set (thumbnail,
"image-width", 0,
"image-height", 0,
"image-type", NULL,
"image-num-layers", 0,
"image-width", 0,
"image-height", 0,
"image-type", NULL,
"image-num-layers", 0,
NULL);
}
@ -528,8 +531,138 @@ gimp_thumbnail_get_pixbuf (GimpThumbnail *thumbnail,
return pixbuf;
}
/* PNG thumbnail handling routines according to the
Thumbnail Managing Standard http://triq.net/~pearl/thumbnail-spec/ */
gboolean
gimp_thumbnail_save_pixbuf (GimpThumbnail *thumbnail,
GdkPixbuf *pixbuf,
const gchar *software,
GError **error)
{
GimpThumbSize size;
gchar *name;
gchar *desc;
gchar *time_str;
gchar *size_str;
gchar *width_str;
gchar *height_str;
gchar *num_str;
gboolean success;
g_return_val_if_fail (GIMP_IS_THUMBNAIL (thumbnail), FALSE);
g_return_val_if_fail (thumbnail->uri != NULL, FALSE);
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), FALSE);
g_return_val_if_fail (software != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
size = MAX (gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf));
if (size < 1)
return TRUE;
name = gimp_thumb_png_thumb_name (thumbnail->uri, &size);
if (! name)
return TRUE;
desc = g_strdup_printf ("Thumbnail of %s", thumbnail->uri);
time_str = g_strdup_printf ("%" G_GINT64_FORMAT, thumbnail->image_mtime);
size_str = g_strdup_printf ("%" G_GINT64_FORMAT, thumbnail->image_filesize);
width_str = g_strdup_printf ("%d", thumbnail->image_width);
height_str = g_strdup_printf ("%d", thumbnail->image_height);
num_str = g_strdup_printf ("%d", thumbnail->image_num_layers);
success = gdk_pixbuf_save (pixbuf, name, "png", error,
TAG_DESCRIPTION, desc,
TAG_SOFTWARE, software,
TAG_THUMB_URI, thumbnail->uri,
TAG_THUMB_MTIME, time_str,
TAG_THUMB_FILESIZE, size_str,
TAG_THUMB_IMAGE_WIDTH, width_str,
TAG_THUMB_IMAGE_HEIGHT, height_str,
thumbnail->image_type ?
TAG_THUMB_GIMP_TYPE : NULL,
thumbnail->image_type,
thumbnail->image_num_layers > 0 ?
TAG_THUMB_GIMP_LAYERS : NULL,
num_str,
NULL);
if (success)
{
success = chmod (name, 0600);
if (! success)
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
"Could not set permissions of thumbnail '%s': %s",
name, g_strerror (errno));
}
g_free (num_str);
g_free (height_str);
g_free (width_str);
g_free (size_str);
g_free (time_str);
g_free (desc);
g_free (name);
return success;
}
gboolean
gimp_thumbnail_save_failure (GimpThumbnail *thumbnail,
const gchar *software,
GError **error)
{
GdkPixbuf *pixbuf;
GimpThumbSize size = GIMP_THUMB_SIZE_FAIL;
gchar *name;
gchar *desc;
gchar *time_str;
gchar *size_str;
gboolean success;
g_return_val_if_fail (GIMP_IS_THUMBNAIL (thumbnail), FALSE);
g_return_val_if_fail (thumbnail->uri != NULL, FALSE);
g_return_val_if_fail (software != NULL, FALSE);
name = gimp_thumb_png_thumb_name (thumbnail->uri, &size);
if (! name)
return TRUE;
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, 1, 1);
desc = g_strdup_printf ("Thumbnail failure for %s", thumbnail->uri);
time_str = g_strdup_printf ("%" G_GINT64_FORMAT, thumbnail->image_mtime);
size_str = g_strdup_printf ("%" G_GINT64_FORMAT, thumbnail->image_filesize);
success = gdk_pixbuf_save (pixbuf, name, "png", error,
TAG_DESCRIPTION, desc,
TAG_SOFTWARE, software,
TAG_THUMB_URI, thumbnail->uri,
TAG_THUMB_MTIME, time_str,
TAG_THUMB_FILESIZE, size_str,
NULL);
if (success)
{
success = chmod (name, 0600);
if (! success)
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
"Could not set permissions of thumbnail '%s': %s",
name, g_strerror (errno));
}
g_object_unref (pixbuf);
g_free (size_str);
g_free (time_str);
g_free (desc);
g_free (name);
return success;
}
static GdkPixbuf *
gimp_thumbnail_read_png_thumb (GimpThumbnail *thumbnail,

4
libgimpthumb/gimpthumbnail.h
View file

@ -83,6 +83,10 @@ GdkPixbuf * gimp_thumbnail_get_pixbuf (GimpThumbnail *thumbnail,
gboolean gimp_thumbnail_save_pixbuf (GimpThumbnail *thumbnail,
GdkPixbuf *pixbuf,
const gchar *software,
GError **error);
gboolean gimp_thumbnail_save_failure (GimpThumbnail *thumbnail,
const gchar *software,
GError **error);