static int read_geoid(void)
{
int x,y;
FILE *f=fopen_share_file("WW15MGH.DAC","rb");
for (y=0;y<h;y++)
for (x=0;x<w;x++) {
signed char hi=fgetc(f);
unsigned char lo=fgetc(f);
float height=((hi<<8)+lo)*(1.0/100);
*(geoid_heights + y*w + x) = height;
}
fclose(f);
return 0;
}
SIGNAL_CALLBACK void
on_help_button_clicked(GtkWidget *widget)
{
#ifdef win32
char pdf_dir[1024], pdf_file[128], pdf_viewer[1024];
snprintf(pdf_dir, 1023, "%s/doc/", get_asf_share_dir());
strcpy(pdf_file, "mapready_manual.pdf");
//printf("pdf: %s/%s\n", pdf_dir, pdf_file);
FindExecutable((LPCTSTR)pdf_file, (LPCTSTR)pdf_dir, (LPTSTR)pdf_viewer);
printf("Found PDF Viewer: %s\n", pdf_viewer);
if (strlen(pdf_viewer)) {
asfSystem_NoWait("\"%s\" \"%s/%s\"", pdf_viewer, pdf_dir, pdf_file);
} else {
message_box("Couldn't find path to a PDF Viewer!");
}
#else
GtkWidget *help_dialog;
GtkWidget *help_text;
GtkTextBuffer * text_buffer;
FILE * help_file;
gchar * help_filename;
help_dialog =
get_widget_checked("help_dialog");
help_text =
get_widget_checked("help_text");
text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(help_text));
gtk_text_buffer_set_text(text_buffer, "", -1);
help_filename = "mapready.txt";
//help_file = fopen(help_filename, "rt");
help_file = fopen_share_file(help_filename, "rt");
if (help_file)
{
int line_count = 0;
gchar * buffer = (gchar *) g_malloc(sizeof(gchar) * max_line_len);
while (!feof(help_file))
{
gchar *p = fgets(buffer, max_line_len, help_file);
if (p)
{
if (strlen(p)) line_count++;
GtkTextIter end;
gchar * q = strstr(buffer, "$VERSION");
if (q)
{
gchar * r = g_strdup(q + 8); /* 8 = length of '$VERSION' */
strcpy(q, MAPREADY_VERSION_STRING);
strcat(buffer, r);
g_free(r);
}
gtk_text_buffer_get_end_iter(text_buffer, &end);
gtk_text_buffer_insert(text_buffer, &end, buffer, -1);
}
}
if (!line_count) {
sprintf(buffer, "\n\n ERROR: Empty help file (mapready.txt) in share folder\n(%s)\n",
get_asf_share_dir());
GtkTextIter end;
gtk_text_buffer_get_end_iter(text_buffer, &end);
gtk_text_buffer_insert(text_buffer, &end, buffer, -1);
}
fclose(help_file);
g_free(buffer);
}
else {
// No help file found
gchar *buffer = (gchar *) g_malloc(sizeof(gchar) * max_line_len);
strcpy(buffer, "\n\n ERROR: Cannot find help file (mapready.txt) in share folder.\n");
GtkTextIter end;
gtk_text_buffer_get_end_iter(text_buffer, &end);
gtk_text_buffer_insert(text_buffer, &end, buffer, -1);
g_free(buffer);
}
gtk_widget_show(help_dialog);
#endif
}
SIGNAL_CALLBACK void
on_help_button_clicked(GtkWidget *widget)
{
#ifdef win32
char hh[1024];
// First method, get location of help viewer from the standard registry location
get_string_from_registry_ex("SOFTWARE\\Classes\\chm.file\\shell\\open\\command", "", hh);
if (strlen(hh) > 0) {
char *p = strstr(hh, "%1");
if (p) *p = '\0';
char * escaped_share_dir = escapify(get_asf_share_dir());
strcat(hh, escaped_share_dir);
strcat(hh, "/mapready.chm");
FREE(escaped_share_dir);
}
// Failed to find location of hh.exe through registry... try the system directory
char *sr = getenv("SYSTEMROOT");
if (strlen(sr) > 0) {
int i, j = 0;
for (i = 0; i < strlen(sr); ++i) {
switch(sr[i]) {
case '\\': hh[j] = '\\'; hh[j+1] = '\\'; ++j; break;
default: hh[j] = sr[i]; break;
}
++j;
}
hh[j] = '\0';
strcat(hh, "/hh.exe ");
char * escaped_share_dir = escapify(get_asf_share_dir());
strcat(hh, escaped_share_dir);
strcat(hh, "/mapready.chm");
FREE(escaped_share_dir);
}
if (strlen(hh)>0) {
static GThreadPool *ttp = NULL;
GError *err = NULL;
if (!ttp)
{
if (!g_thread_supported ()) g_thread_init (NULL);
ttp = g_thread_pool_new ((GFunc)help_viewer_thread, NULL,
4, TRUE, &err);
g_assert(!err);
}
g_thread_pool_push (ttp, g_string_new (hh), &err);
g_assert(!err);
}
else {
// Failed, give up.
message_box("Couldn't find the help viewer!");
}
#else
GtkWidget *help_dialog;
GtkWidget *help_text;
GtkTextBuffer * text_buffer;
FILE * help_file;
gchar * help_filename;
help_dialog =
get_widget_checked("help_dialog");
help_text =
get_widget_checked("help_text");
text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(help_text));
gtk_text_buffer_set_text(text_buffer, "", -1);
help_filename = "mapready.txt";
//help_file = fopen(help_filename, "rt");
help_file = fopen_share_file(help_filename, "rt");
if (help_file)
{
int line_count = 0;
gchar * buffer = (gchar *) g_malloc(sizeof(gchar) * max_line_len);
while (!feof(help_file))
{
gchar *p = fgets(buffer, max_line_len, help_file);
if (p)
{
if (strlen(p)) line_count++;
GtkTextIter end;
gchar * q = strstr(buffer, "$VERSION");
if (q)
{
gchar * r = g_strdup(q + 8); /* 8 = length of '$VERSION' */
strcpy(q, MAPREADY_VERSION_STRING);
strcat(buffer, r);
g_free(r);
}
gtk_text_buffer_get_end_iter(text_buffer, &end);
gtk_text_buffer_insert(text_buffer, &end, buffer, -1);
}
}
if (!line_count) {
sprintf(buffer, "\n\n ERROR: Empty help file (mapready.txt) in share folder\n(%s)\n",
get_asf_share_dir());
GtkTextIter end;
gtk_text_buffer_get_end_iter(text_buffer, &end);
gtk_text_buffer_insert(text_buffer, &end, buffer, -1);
}
fclose(help_file);
g_free(buffer);
}
else {
// No help file found
gchar *buffer = (gchar *) g_malloc(sizeof(gchar) * max_line_len);
strcpy(buffer, "\n\n ERROR: Cannot find help file (mapready.txt) in share folder.\n");
GtkTextIter end;
gtk_text_buffer_get_end_iter(text_buffer, &end);
gtk_text_buffer_insert(text_buffer, &end, buffer, -1);
g_free(buffer);
}
gtk_widget_show(help_dialog);
#endif
}
