/*! \brief End the input of a circle.
* \par Function Description
* This function ends the input of the second corner of a picture.
* The picture is defined by (<B>w_current->first_wx</B>,<B>w_current->first_wy</B>
* and (<B>w_current->second_wx</B>,<B>w_current->second_wy</B>.
*
* The temporary picture frame is erased ; a new picture object is allocated,
* initialized and linked to the object list ; The object is finally
* drawn on the current sheet.
*
* \param [in] w_current The GschemToplevel object.
* \param [in] w_x (unused)
* \param [in] w_y (unused)
*/
void o_picture_end(GschemToplevel *w_current, int w_x, int w_y)
{
TOPLEVEL *toplevel = gschem_toplevel_get_toplevel (w_current);
OBJECT *new_obj;
int picture_width, picture_height;
int picture_left, picture_top;
g_assert( w_current->inside_action != 0 );
/* erase the temporary picture */
/* o_picture_draw_rubber(w_current); */
w_current->rubber_visible = 0;
picture_width = GET_PICTURE_WIDTH (w_current);
picture_height = GET_PICTURE_HEIGHT(w_current);
picture_left = GET_PICTURE_LEFT (w_current);
picture_top = GET_PICTURE_TOP (w_current);
/* pictures with null width and height are not allowed */
if ((picture_width == 0) && (picture_height == 0)) {
/* cancel the object creation */
return;
}
/* create the object */
new_obj = o_picture_new(toplevel,
NULL, 0, w_current->pixbuf_filename,
OBJ_PICTURE,
picture_left, picture_top,
picture_left + picture_width,
picture_top - picture_height,
0, FALSE, FALSE);
s_page_append (toplevel, toplevel->page_current, new_obj);
/* Run %add-objects-hook */
g_run_hook_object (w_current, "%add-objects-hook", new_obj);
gschem_toplevel_page_content_changed (w_current, toplevel->page_current);
o_undo_savestate_old(w_current, UNDO_ALL);
}
/*! \brief Create picture OBJECT from character string.
* \par Function Description
* This function will get the description of a picture from the
* character string <B>*first_line</B>.
*
* \param [in] toplevel The TOPLEVEL object.
* \param [in] first_line Character string with picture description.
* \param [in] tb Text buffer to load embedded data from.
* \param [in] release_ver libgeda release version number.
* \param [in] fileformat_ver libgeda file format version number.
* \return A pointer to the new picture object.
*/
OBJECT *o_picture_read (TOPLEVEL *toplevel,
const char *first_line,
TextBuffer *tb,
unsigned int release_ver,
unsigned int fileformat_ver)
{
OBJECT *new_obj;
int x1, y1;
int width, height, angle;
gchar mirrored, embedded;
int num_conv;
gchar type;
gchar *line = NULL;
gchar *filename;
GdkPixbuf *pixbuf = NULL;
gchar *file_content = NULL;
guint file_length = 0;
GError *err = NULL;
num_conv = sscanf(first_line, "%c %d %d %d %d %d %c %c\n",
&type, &x1, &y1, &width, &height, &angle, &mirrored, &embedded);
if (num_conv != 8) {
s_log_message (_("Error reading picture definition line: %s.\n"),
first_line);
}
/* Convert from ascii character to number */
if (g_ascii_isdigit(mirrored)) {
mirrored -= 0x30;
}
if (g_ascii_isdigit(embedded)) {
embedded -= 0x30;
}
if (width == 0 || height == 0) {
s_log_message(_("Found a zero width/height picture [ %c %d %d %d %d ]\n"),
type, x1, y1, width, height);
}
if ( (mirrored > 1) || (mirrored < 0)) {
s_log_message(_("Found a picture with a wrong 'mirrored' parameter: %c.\n"),
mirrored);
s_log_message(_("Setting mirrored to 0\n"));
mirrored = 0;
}
if ( (embedded > 1) || (embedded < 0)) {
s_log_message(_("Found a picture with a wrong 'embedded' parameter: %c.\n"),
embedded);
s_log_message(_("Setting embedded to 0\n"));
embedded = 0;
}
switch(angle) {
case(0):
case(90):
case(180):
case(270):
break;
default:
s_log_message(_("Found an unsupported picture angle [ %d ]\n"), angle);
s_log_message(_("Setting angle to 0\n"));
angle=0;
break;
}
filename = g_strdup(s_textbuffer_next_line(tb));
filename = remove_last_nl(filename);
if (embedded == 1) {
GString *encoded_picture=g_string_new("");
char finished = 0;
/* Read the encoded picture */
do {
line = s_textbuffer_next_line(tb);
if (line == NULL) break;
if (g_strcasecmp(line, ".\n") != 0) {
encoded_picture = g_string_append (encoded_picture, line);
} else {
finished = 1;
}
} while (finished == 0);
/* Decode the picture */
file_content = s_encoding_base64_decode(encoded_picture->str,
encoded_picture->len,
&file_length);
if (encoded_picture != NULL) {
g_string_free (encoded_picture, TRUE);
}
if (file_content == NULL) {
s_log_message (_("Failed to load image from embedded data [%s]: %s\n"),
filename, _("Base64 decoding failed."));
s_log_message (_("Falling back to file loading. Picture unembedded.\n"));
embedded = 0;
}
}
/* If we have embedded data, try loading from the decoded buffer */
if (file_content != NULL) {
pixbuf = o_picture_pixbuf_from_buffer (file_content, file_length, &err);
if (err != NULL) {
s_log_message (_("Failed to load image from embedded data [%s]: %s\n"),
filename, err->message);
s_log_message (_("Falling back to file loading. Picture unembedded.\n"));
g_error_free (err);
err = NULL;
embedded = 0;
}
}
/* If we haven't loaded the pixbuf above, try loading from file */
if (pixbuf == NULL) {
pixbuf = gdk_pixbuf_new_from_file (filename, &err);
if (err != NULL) {
s_log_message (_("Failed to load image from file [%s]: %s\n"),
filename, err->message);
g_error_free (err);
err = NULL;
}
}
/* If the pixbuf couldn't be loaded, then try to load a warning picture */
if (pixbuf == NULL) {
char *temp_filename;
s_log_message (_("Loading warning picture.\n"));
temp_filename = g_build_filename (toplevel->bitmap_directory,
"gschem-warning.png", NULL);
pixbuf = gdk_pixbuf_new_from_file (temp_filename, NULL);
if (pixbuf == NULL) {
s_log_message( _("Error loading picture from file: %s.\n"),
temp_filename);
}
g_free (temp_filename);
}
/* create the picture */
/* The picture is described by its upper left and lower right corner */
new_obj = o_picture_new(toplevel, pixbuf,
file_content, file_length, filename,
(double)width / (double)height,
type,
x1, y1+height, x1+width, y1,
angle, mirrored, embedded);
/* Don't free file_content, it is now owned by the picture object */
return new_obj;
}
/*! \brief Create picture OBJECT from character string.
* \par Function Description
* Parses \a first_line and subsequent lines from \a tb, and returns
* a newly-created picture #OBJECT.
*
* \param [in] toplevel The TOPLEVEL object.
* \param [in] first_line Character string with picture description.
* \param [in] tb Text buffer to load embedded data from.
* \param [in] release_ver libgeda release version number.
* \param [in] fileformat_ver libgeda file format version number.
* \return A pointer to the new picture object, or NULL on error.
*/
OBJECT *o_picture_read (TOPLEVEL *toplevel,
const char *first_line,
TextBuffer *tb,
unsigned int release_ver,
unsigned int fileformat_ver,
GError **err)
{
OBJECT *new_obj;
int x1, y1;
int width, height, angle;
int mirrored, embedded;
int num_conv;
gchar type;
const gchar *line = NULL;
gchar *filename;
gchar *file_content = NULL;
guint file_length = 0;
num_conv = sscanf(first_line, "%c %d %d %d %d %d %d %d\n",
&type, &x1, &y1, &width, &height, &angle, &mirrored, &embedded);
if (num_conv != 8) {
g_set_error(err, EDA_ERROR, EDA_ERROR_PARSE, _("Failed to parse picture definition"));
return NULL;
}
if (width == 0 || height == 0) {
s_log_message(_("Found a zero width/height picture "
"[ %1$c %2$d %3$d %4$d %5$d ]"),
type, x1, y1, width, height);
}
if ( (mirrored > 1) || (mirrored < 0)) {
s_log_message(_("Found a picture with a wrong 'mirrored' parameter: %1$d."),
mirrored);
s_log_message(_("Setting mirrored to 0."));
mirrored = 0;
}
if ( (embedded > 1) || (embedded < 0)) {
s_log_message(_("Found a picture with a wrong 'embedded' parameter: %1$d."),
embedded);
s_log_message(_("Setting embedded to 0."));
embedded = 0;
}
switch(angle) {
case(0):
case(90):
case(180):
case(270):
break;
default:
s_log_message(_("Found an unsupported picture angle [ %1$d ]"), angle);
s_log_message(_("Setting angle to 0."));
angle=0;
break;
}
filename = g_strdup(s_textbuffer_next_line(tb));
filename = geda_string_remove_ending_newline (filename);
/* Handle empty filenames */
if (strlen (filename) == 0) {
s_log_message (_("Found an image with no filename."));
g_free (filename);
filename = NULL;
}
if (embedded == 1) {
GString *encoded_picture=g_string_new("");
char finished = 0;
/* Read the encoded picture */
do {
line = s_textbuffer_next_line(tb);
if (line == NULL) break;
if (strcmp (line, ".\n") != 0) {
encoded_picture = g_string_append (encoded_picture, line);
} else {
finished = 1;
}
} while (finished == 0);
/* Decode the picture */
if (encoded_picture != NULL) {
file_content = s_encoding_base64_decode(encoded_picture->str,
encoded_picture->len,
&file_length);
g_string_free (encoded_picture, TRUE);
}
if (file_content == NULL) {
s_log_message (_("Failed to load image from embedded data [%1$s]: %2$s"),
filename, _("Base64 decoding failed."));
s_log_message (_("Falling back to file loading. Picture unembedded."));
embedded = 0;
}
}
/* create the picture */
/* The picture is described by its upper left and lower right corner */
new_obj = o_picture_new (toplevel, file_content, file_length, filename,
type,
x1, y1+height, x1+width, y1,
angle, mirrored, embedded);
g_free (file_content);
g_free (filename);
return new_obj;
}
