/**
* xviewer_postasa_plugin_dispose:
*
* Cleans up the #XviewerPostasaPlugin object, unref'ing its #GDataPicasaWebService and #GCancellable.
**/
static void
xviewer_postasa_plugin_dispose (GObject *_plugin)
{
XviewerPostasaPlugin *plugin = XVIEWER_POSTASA_PLUGIN (_plugin);
xviewer_debug_message (DEBUG_PLUGINS, "XviewerPostasaPlugin disposing");
#ifdef HAVE_LIBGDATA_0_9
if (plugin->priv->authorizer) {
g_object_unref (plugin->priv->authorizer);
plugin->priv->authorizer = NULL;
}
#endif
if (plugin->priv->service) {
g_object_unref (plugin->priv->service);
plugin->priv->service = NULL;
}
if (plugin->priv->login_cancellable) {
g_object_unref (plugin->priv->login_cancellable);
plugin->priv->login_cancellable = NULL;
}
if (G_IS_OBJECT (plugin->priv->uploads_store)) {
/* we check in case the upload window was never created */
g_object_unref (plugin->priv->uploads_store);
plugin->priv->uploads_store = NULL;
}
if (plugin->priv->xviewer_window) {
g_object_unref (plugin->priv->xviewer_window);
plugin->priv->xviewer_window = NULL;
}
G_OBJECT_CLASS (xviewer_postasa_plugin_parent_class)->dispose (_plugin);
}
static XviewerJob *
xviewer_job_scheduler_dequeue_job (void)
{
XviewerJob *job;
gint priority;
/* initialization */
job = NULL;
while (!job) {
/* --- enter critical section --- */
g_mutex_lock (&job_queue_mutex);
/* try to retrieve the next job from priority queue */
for (priority = XVIEWER_JOB_PRIORITY_HIGH; priority < XVIEWER_JOB_N_PRIORITIES; priority++) {
job = (XviewerJob *) g_queue_pop_head (job_queue[priority]);
if (job)
break;
}
/* show info for debugging */
xviewer_debug_message (DEBUG_JOBS,
(job ? "DEQUEUED %s (%p)" : "No jobs in queue"),
XVIEWER_GET_TYPE_NAME (job),
job);
/* if there is no job, wait for it */
if (!job) {
xviewer_debug_message (DEBUG_JOBS,
"Wating for jobs ...");
g_cond_wait (&job_queue_cond,
&job_queue_mutex);
g_mutex_unlock (&job_queue_mutex);
continue;
}
/* --- leave critical section --- */
g_mutex_unlock (&job_queue_mutex);
}
return job;
}
static void
xviewer_reload_plugin_dispose (GObject *object)
{
XviewerReloadPlugin *plugin = XVIEWER_RELOAD_PLUGIN (object);
xviewer_debug_message (DEBUG_PLUGINS, "XviewerReloadPlugin disposing");
if (plugin->window != NULL) {
g_object_unref (plugin->window);
plugin->window = NULL;
}
G_OBJECT_CLASS (xviewer_reload_plugin_parent_class)->dispose (object);
}
/**
* xviewer_postasa_plugin_init:
*
* Object initialisation method. Sets up the (unauthenticated)
* PicasaWeb service, a #GCancellable for login, and sets the
* uploads_pending flag to %FALSE.
**/
static void
xviewer_postasa_plugin_init (XviewerPostasaPlugin *plugin)
{
xviewer_debug_message (DEBUG_PLUGINS, "XviewerPostasaPlugin initializing");
plugin->priv = G_TYPE_INSTANCE_GET_PRIVATE (plugin, XVIEWER_TYPE_POSTASA_PLUGIN, XviewerPostasaPluginPrivate);
#ifdef HAVE_LIBGDATA_0_9
plugin->priv->authorizer = gdata_client_login_authorizer_new ("XviewerPostasa", GDATA_TYPE_PICASAWEB_SERVICE);
plugin->priv->service = gdata_picasaweb_service_new (GDATA_AUTHORIZER (plugin->priv->authorizer)); /* unref'd in xviewer_postasa_plugin_dispose() */
#else
plugin->priv->service = gdata_picasaweb_service_new ("XviewerPostasa"); /* unref'd in xviewer_postasa_plugin_dispose() */
#endif
plugin->priv->login_cancellable = g_cancellable_new (); /* unref'd in xviewer_postasa_plugin_dispose() */
plugin->priv->uploads_pending = FALSE;
}
static void
xviewer_job_process (XviewerJob *job)
{
g_return_if_fail (XVIEWER_IS_JOB (job));
/* nothing to do if job was cancelled */
if (xviewer_job_is_cancelled (job))
return;
/* show info for debugging */
xviewer_debug_message (DEBUG_JOBS,
"PROCESSING a %s (%p)",
XVIEWER_GET_TYPE_NAME (job),
job);
/* process the current job */
xviewer_job_run (job);
}
static void
xviewer_job_scheduler_enqueue_job (XviewerJob *job,
XviewerJobPriority priority)
{
/* show info for debugging */
xviewer_debug_message (DEBUG_JOBS,
"ENQUEUED %s (%p) with priority %d",
XVIEWER_GET_TYPE_NAME (job),
job,
priority);
/* --- enter critical section --- */
g_mutex_lock (&job_queue_mutex);
g_queue_push_tail (job_queue[priority], job);
g_cond_broadcast (&job_queue_cond);
/* --- leave critical section --- */
g_mutex_unlock (&job_queue_mutex);
}
static void
xviewer_print_draw_page (GtkPrintOperation *operation,
GtkPrintContext *context,
gint page_nr,
gpointer user_data)
{
cairo_t *cr;
gdouble dpi_x, dpi_y;
gdouble x0, y0;
gdouble scale_factor;
gdouble p_width, p_height;
gint width, height;
XviewerPrintData *data;
GtkPageSetup *page_setup;
xviewer_debug (DEBUG_PRINTING);
data = (XviewerPrintData *) user_data;
scale_factor = data->scale_factor/100;
dpi_x = gtk_print_context_get_dpi_x (context);
dpi_y = gtk_print_context_get_dpi_y (context);
switch (data->unit) {
case GTK_UNIT_INCH:
x0 = data->left_margin * dpi_x;
y0 = data->top_margin * dpi_y;
break;
case GTK_UNIT_MM:
x0 = data->left_margin * dpi_x/25.4;
y0 = data->top_margin * dpi_y/25.4;
break;
default:
g_assert_not_reached ();
}
cr = gtk_print_context_get_cairo_context (context);
cairo_translate (cr, x0, y0);
page_setup = gtk_print_context_get_page_setup (context);
p_width = gtk_page_setup_get_page_width (page_setup, GTK_UNIT_POINTS);
p_height = gtk_page_setup_get_page_height (page_setup, GTK_UNIT_POINTS);
xviewer_image_get_size (data->image, &width, &height);
/* this is both a workaround for a bug in cairo's PDF backend, and
a way to ensure we are not printing outside the page margins */
cairo_rectangle (cr, 0, 0, MIN (width*scale_factor, p_width), MIN (height*scale_factor, p_height));
cairo_clip (cr);
cairo_scale (cr, scale_factor, scale_factor);
#ifdef HAVE_RSVG
if (xviewer_image_is_svg (data->image))
{
RsvgHandle *svg = xviewer_image_get_svg (data->image);
rsvg_handle_render_cairo (svg, cr);
return;
} else
#endif
/* JPEGs can be attached to the cairo surface which simply embeds the JPEG file into the
* destination PDF skipping (PNG-)recompression. This should reduce PDF sizes enormously. */
if (xviewer_image_is_jpeg (data->image) && _cairo_ctx_supports_jpg_metadata (cr))
{
GFile *file;
char *img_data;
gsize data_len;
cairo_surface_t *surface = NULL;
xviewer_debug_message (DEBUG_PRINTING, "Attaching image to cairo surface");
file = xviewer_image_get_file (data->image);
if (g_file_load_contents (file, NULL, &img_data, &data_len, NULL, NULL))
{
XviewerTransform *tf = xviewer_image_get_transform (data->image);
XviewerTransform *auto_tf = xviewer_image_get_autorotate_transform (data->image);
cairo_matrix_t mx, mx2;
if (!tf && auto_tf) {
/* If only autorotation data present,
* make it the normal rotation. */
tf = auto_tf;
auto_tf = NULL;
}
/* Care must be taken with height and width values. They are not the original
* values but were affected by the transformation. As the surface needs to be
* generated using the original dimensions they might need to be flipped. */
if (tf) {
if (auto_tf) {
/* If we have an autorotation apply
* it before the others */
tf = xviewer_transform_compose (auto_tf, tf);
}
switch (xviewer_transform_get_transform_type (tf)) {
case XVIEWER_TRANSFORM_ROT_90:
surface = cairo_image_surface_create (
CAIRO_FORMAT_RGB24, height, width);
cairo_rotate (cr, 90.0 * (G_PI/180.0));
cairo_translate (cr, 0.0, -width);
break;
case XVIEWER_TRANSFORM_ROT_180:
surface = cairo_image_surface_create (
CAIRO_FORMAT_RGB24, width, height);
cairo_rotate (cr, 180.0 * (G_PI/180.0));
cairo_translate (cr, -width, -height);
break;
case XVIEWER_TRANSFORM_ROT_270:
surface = cairo_image_surface_create (
CAIRO_FORMAT_RGB24, height, width);
cairo_rotate (cr, 270.0 * (G_PI/180.0));
cairo_translate (cr, -height, 0.0);
break;
case XVIEWER_TRANSFORM_FLIP_HORIZONTAL:
surface = cairo_image_surface_create (
CAIRO_FORMAT_RGB24, width, height);
cairo_matrix_init_identity (&mx);
_xviewer_cairo_matrix_flip (&mx2, &mx, TRUE, FALSE);
cairo_transform (cr, &mx2);
cairo_translate (cr, -width, 0.0);
break;
case XVIEWER_TRANSFORM_FLIP_VERTICAL:
surface = cairo_image_surface_create (
CAIRO_FORMAT_RGB24, width, height);
cairo_matrix_init_identity (&mx);
_xviewer_cairo_matrix_flip (&mx2, &mx, FALSE, TRUE);
cairo_transform (cr, &mx2);
cairo_translate (cr, 0.0, -height);
break;
case XVIEWER_TRANSFORM_TRANSPOSE:
surface = cairo_image_surface_create (
CAIRO_FORMAT_RGB24, height, width);
cairo_matrix_init_rotate (&mx, 90.0 * (G_PI/180.0));
cairo_matrix_init_identity (&mx2);
_xviewer_cairo_matrix_flip (&mx2, &mx2, TRUE, FALSE);
cairo_matrix_multiply (&mx2, &mx, &mx2);
cairo_transform (cr, &mx2);
break;
case XVIEWER_TRANSFORM_TRANSVERSE:
surface = cairo_image_surface_create (
CAIRO_FORMAT_RGB24, height, width);
cairo_matrix_init_rotate (&mx, 90.0 * (G_PI/180.0));
cairo_matrix_init_identity (&mx2);
_xviewer_cairo_matrix_flip (&mx2, &mx2, FALSE, TRUE);
cairo_matrix_multiply (&mx2, &mx, &mx2);
cairo_transform (cr, &mx2);
cairo_translate (cr, -height , -width);
break;
case XVIEWER_TRANSFORM_NONE:
default:
surface = cairo_image_surface_create (
CAIRO_FORMAT_RGB24, width, height);
break;
}
}
if (!surface)
surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
width, height);
cairo_surface_set_mime_data (surface,
CAIRO_MIME_TYPE_JPEG,
(unsigned char*)img_data, data_len,
g_free, img_data);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
cairo_surface_destroy (surface);
g_object_unref (file);
return;
}
g_object_unref (file);
}
{
GdkPixbuf *pixbuf;
pixbuf = xviewer_image_get_pixbuf (data->image);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
cairo_paint (cr);
g_object_unref (pixbuf);
}
}
static void
xviewer_reload_plugin_init (XviewerReloadPlugin *plugin)
{
xviewer_debug_message (DEBUG_PLUGINS, "XviewerReloadPlugin initializing");
}