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Add /avatar set command to publish avatar

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Use `/avatar set <path>` where <path> is an image file to upload a new
avatar for the current user. When the avatar is too big it gets scaled
down. Scaling code copied from dino.

Fixes https://github.com/profanity-im/profanity/issues/1687
This commit is contained in:
MarcoPolo-PasTonMolo
2022-05-26 17:49:34 +03:00
parent b4523d6c42
commit 6a44e18853
8 changed files with 181 additions and 1 deletions
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55
src/xmpp/avatar.c
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@@ -36,10 +36,12 @@
#include "config.h"
#include <glib.h>
#include <gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixbuf.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <assert.h>
#include <sys/stat.h>
#include "log.h"
@@ -59,6 +61,7 @@ typedef struct avatar_metadata
static GHashTable* looking_for = NULL; // contains nicks/barejids from who we want to get the avatar
static GHashTable* shall_open = NULL; // contains a list of nicks that shall not just downloaded but also opened
const int MAX_PIXEL = 192;
static void _avatar_request_item_by_id(const char* jid, avatar_metadata* data);
static int _avatar_metadata_handler(xmpp_stanza_t* const stanza, void* const userdata);
@@ -92,6 +95,58 @@ avatar_pep_subscribe(void)
shall_open = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
}
gboolean
avatar_set(const char* path)
{
char* expanded_path = get_expanded_path(path);
GError* err = NULL;
GdkPixbuf* pixbuf = gdk_pixbuf_new_from_file(expanded_path, &err);
if (pixbuf == NULL) {
cons_show("An error occurred while opening %s: %s.", expanded_path, err ? err->message : "No error message given");
return FALSE;
}
free(expanded_path);
// Scale img
int w = gdk_pixbuf_get_width(pixbuf);
int h = gdk_pixbuf_get_height(pixbuf);
if (w >= h && w > MAX_PIXEL) {
int dest_height = (int)((float)MAX_PIXEL / w * h);
GdkPixbuf* new_pixbuf = gdk_pixbuf_scale_simple(pixbuf, MAX_PIXEL, dest_height, GDK_INTERP_BILINEAR);
g_object_unref(pixbuf);
pixbuf = new_pixbuf;
} else if (h > w && w > MAX_PIXEL) {
int dest_width = (int)((float)MAX_PIXEL / h * w);
GdkPixbuf* new_pixbuf = gdk_pixbuf_scale_simple(pixbuf, dest_width, MAX_PIXEL, GDK_INTERP_BILINEAR);
g_object_unref(pixbuf);
pixbuf = new_pixbuf;
}
gchar* img_data;
gsize len = -1;
if (!gdk_pixbuf_save_to_buffer(pixbuf, &img_data, &len, "png", &err, NULL)) {
cons_show("Unable to scale and convert avatar.");
return FALSE;
}
xmpp_ctx_t* const ctx = connection_get_ctx();
xmpp_stanza_t* iq = stanza_create_avatar_data_publish_iq(ctx, img_data, len);
iq_send_stanza(iq);
xmpp_stanza_release(iq);
iq = stanza_create_avatar_metadata_publish_iq(ctx, img_data, len, gdk_pixbuf_get_height(pixbuf), gdk_pixbuf_get_width(pixbuf));
free(img_data);
g_object_unref(pixbuf);
iq_send_stanza(iq);
xmpp_stanza_release(iq);
return TRUE;
}
gboolean
avatar_get_by_nick(const char* nick, gboolean open)
{