diff options
Diffstat (limited to 'ps')
| -rw-r--r-- | ps/gtkgs.c | 586 | ||||
| -rw-r--r-- | ps/gtkgs.h | 65 |
2 files changed, 72 insertions, 579 deletions
@@ -168,8 +168,23 @@ The DONE message indicates that ghostscript has finished processing. #define MAX_BUFSIZE 1024 +#define GTK_GS_IS_COMPRESSED(gs) (GTK_GS(gs)->gs_filename_unc != NULL) +#define GTK_GS_GET_PS_FILE(gs) (GTK_GS_IS_COMPRESSED(gs) ? \ + GTK_GS(gs)->gs_filename_unc : \ + GTK_GS(gs)->gs_filename) + enum { INTERPRETER_MESSAGE, INTERPRETER_ERROR, LAST_SIGNAL }; +/* structure to describe section of file to send to ghostscript */ +struct record_list { + FILE *fp; + long begin; + guint len; + gboolean seek_needed; + gboolean close; + struct record_list *next; +}; + static gboolean broken_pipe = FALSE; static void @@ -181,8 +196,6 @@ catchPipe(int i) /* Forward declarations */ static void gtk_gs_init(GtkGS * gs); static void gtk_gs_class_init(GtkGSClass * klass); -static void gtk_gs_interpreter_message(GtkGS * gs, gchar * msg, - gpointer user_data); static void gtk_gs_emit_error_msg(GtkGS * gs, const gchar * msg); static void gtk_gs_finalize(GObject * object); static void send_ps(GtkGS * gs, long begin, unsigned int len, gboolean close); @@ -197,74 +210,13 @@ static void input(gpointer data, gint source, GdkInputCondition condition); static void stop_interpreter(GtkGS * gs); static gint start_interpreter(GtkGS * gs); gboolean computeSize(void); +static gboolean gtk_gs_set_page_size(GtkGS * gs, gint new_pagesize, gint pageid); static void ps_document_document_iface_init (EvDocumentIface *iface); static GObjectClass *parent_class = NULL; static GtkGSClass *gs_class = NULL; -static gint gtk_gs_signals[LAST_SIGNAL] = { 0 }; - -/* Static, private functions */ - -static void -ggv_marshaller_VOID__POINTER(GClosure * closure, - GValue * return_value, - guint n_param_values, - const GValue * param_values, - gpointer invocation_hint, gpointer marshal_data) -{ - typedef void (*GMarshalFunc_VOID__POINTER) (gpointer data1, - gpointer arg_1, gpointer data2); - register GMarshalFunc_VOID__POINTER callback; - register GCClosure *cc = (GCClosure *) closure; - register gpointer data1, data2; - - g_return_if_fail(n_param_values == 2); - - if(G_CCLOSURE_SWAP_DATA(closure)) { - data1 = closure->data; - data2 = g_value_peek_pointer(param_values + 0); - } - else { - data1 = g_value_peek_pointer(param_values + 0); - data2 = closure->data; - } - callback = - (GMarshalFunc_VOID__POINTER) (marshal_data ? marshal_data : cc->callback); - - callback(data1, g_value_get_pointer(param_values + 1), data2); -} - -static void -ggv_marshaller_VOID__INT(GClosure * closure, - GValue * return_value, - guint n_param_values, - const GValue * param_values, - gpointer invocation_hint, gpointer marshal_data) -{ - typedef void (*GMarshalFunc_VOID__INT) (gpointer data1, - gint arg_1, gpointer data2); - register GMarshalFunc_VOID__INT callback; - register GCClosure *cc = (GCClosure *) closure; - register gpointer data1, data2; - - g_return_if_fail(n_param_values == 2); - - if(G_CCLOSURE_SWAP_DATA(closure)) { - data1 = closure->data; - data2 = g_value_peek_pointer(param_values + 0); - } - else { - data1 = g_value_peek_pointer(param_values + 0); - data2 = closure->data; - } - callback = - (GMarshalFunc_VOID__INT) (marshal_data ? marshal_data : cc->callback); - - callback(data1, g_value_get_int(param_values + 1), data2); -} - static void gtk_gs_init(GtkGS * gs) { @@ -339,24 +291,6 @@ gtk_gs_class_init(GtkGSClass * klass) parent_class = gtk_type_class(gtk_widget_get_type()); gs_class = klass; - gtk_gs_signals[INTERPRETER_MESSAGE] = g_signal_new("interpreter_message", - G_TYPE_FROM_CLASS - (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET - (GtkGSClass, - interpreter_message), - NULL, NULL, - ggv_marshaller_VOID__POINTER, - G_TYPE_NONE, 1, - G_TYPE_POINTER); - gtk_gs_signals[INTERPRETER_ERROR] = - g_signal_new("interpreter_error", G_TYPE_FROM_CLASS(object_class), - G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET(GtkGSClass, - interpreter_error), - NULL, NULL, ggv_marshaller_VOID__INT, G_TYPE_NONE, 1, - G_TYPE_INT); - object_class->finalize = gtk_gs_finalize; /* Create atoms */ @@ -367,9 +301,6 @@ gtk_gs_class_init(GtkGSClass * klass) klass->done_atom = gdk_atom_intern("DONE", FALSE); klass->string_atom = gdk_atom_intern("STRING", FALSE); - /* a default handler for "interpreter_message" signal */ - klass->interpreter_message = gtk_gs_interpreter_message; - gtk_gs_defaults_load(); } @@ -413,19 +344,6 @@ gtk_gs_cleanup(GtkGS * gs) set_up_page(gs); } -/* free message as it was allocated in output() */ -static void -gtk_gs_interpreter_message(GtkGS * gs, gchar * msg, gpointer user_data) -{ - gdk_pointer_ungrab(GDK_CURRENT_TIME); - if(strstr(msg, "Error:")) { - gs->gs_status = _("File is not a valid PostScript document."); - gtk_gs_cleanup(gs); - g_signal_emit_by_name(G_OBJECT(gs), "interpreter_error", 1, NULL); - } - g_free(msg); -} - static void gtk_gs_finalize(GObject * object) { @@ -446,11 +364,6 @@ gtk_gs_finalize(GObject * object) (*G_OBJECT_CLASS(parent_class)->finalize) (object); } -void -gtk_gs_set_center(GtkGS * gs, gfloat hval, gfloat vval) -{ -} - static void send_ps(GtkGS * gs, long begin, unsigned int len, gboolean close) { @@ -490,6 +403,33 @@ send_ps(GtkGS * gs, long begin, unsigned int len, gboolean close) } } +static gint +gtk_gs_get_orientation(GtkGS * gs) +{ + g_return_val_if_fail(gs != NULL, -1); + g_return_val_if_fail(GTK_IS_GS(gs), -1); + + if(gs->doc) { + if(gs->structured_doc) { + if(gs->doc->pages[MAX(gs->current_page, 0)].orientation != + GTK_GS_ORIENTATION_NONE) + gs->real_orientation = + gs->doc->pages[MAX(gs->current_page, 0)].orientation; + else + gs->real_orientation = gs->doc->default_page_orientation; + } + + if(gs->real_orientation == GTK_GS_ORIENTATION_NONE) + gs->real_orientation = gs->doc->orientation; + } + + if(gs->override_orientation || + gs->real_orientation == GTK_GS_ORIENTATION_NONE) + return gs->fallback_orientation; + else + return gs->real_orientation; +} + static void set_up_page(GtkGS * gs) { @@ -639,7 +579,7 @@ output(gpointer data, gint source, GdkInputCondition condition) if(bytes > 0) { buf[bytes] = '\0'; msg = g_strdup(buf); - g_signal_emit (G_OBJECT(gs), gtk_gs_signals[INTERPRETER_MESSAGE], 0, msg); + gtk_gs_emit_error_msg (gs, msg); } } @@ -885,7 +825,6 @@ stop_interpreter(GtkGS * gs) if(status == 1) { gtk_gs_cleanup(gs); gs->gs_status = _("Interpreter failed."); - g_signal_emit_by_name(G_OBJECT(gs), "interpreter_error", status); } } @@ -1232,7 +1171,7 @@ compute_size(GtkGS * gs) return (change); } -gint +static gint gtk_gs_enable_interpreter(GtkGS * gs) { g_return_val_if_fail(gs != NULL, FALSE); @@ -1284,64 +1223,20 @@ gtk_gs_get_type(void) } -GObject * -gtk_gs_new(GtkAdjustment * hadj, GtkAdjustment * vadj) -{ - GObject *gs; - - gs = g_object_new(GTK_GS_TYPE, NULL); - - return gs; -} - - -GObject * -gtk_gs_new_from_file(GtkAdjustment * hadj, GtkAdjustment * vadj, char *fname) -{ - GObject *gs = gtk_gs_new(hadj, vadj); - gtk_gs_load(GTK_GS(gs), fname); - return gs; -} - -void -gtk_gs_reload(GtkGS * gs) -{ - gchar *fname; - gint page; - - if(!gs->gs_filename) - return; - - page = gtk_gs_get_current_page(gs); - fname = g_strdup(gs->gs_filename); - gtk_gs_load(gs, fname); - gtk_gs_goto_page(gs, page); - g_free(fname); -} - - /* * Show error message -> send signal "interpreter_message" */ static void gtk_gs_emit_error_msg(GtkGS * gs, const gchar * msg) { - g_signal_emit (G_OBJECT(gs), - gtk_gs_signals[INTERPRETER_MESSAGE], 0, g_strdup(msg)); -} - -void -gtk_gs_disable_interpreter(GtkGS * gs) -{ - g_return_if_fail(gs != NULL); - g_return_if_fail(GTK_IS_GS(gs)); - - gs->disable_start = TRUE; - - stop_interpreter(gs); + gdk_pointer_ungrab(GDK_CURRENT_TIME); + if(strstr(msg, "Error:")) { + gs->gs_status = _("File is not a valid PostScript document."); + gtk_gs_cleanup(gs); + } } -gboolean +static gboolean gtk_gs_load(GtkGS * gs, const gchar * fname) { g_return_val_if_fail(gs != NULL, FALSE); @@ -1446,7 +1341,7 @@ gtk_gs_load(GtkGS * gs, const gchar * fname) } -gboolean +static gboolean gtk_gs_next_page(GtkGS * gs) { XEvent event; @@ -1478,7 +1373,7 @@ gtk_gs_next_page(GtkGS * gs) return TRUE; } -gint +static gint gtk_gs_get_current_page(GtkGS * gs) { g_return_val_if_fail(gs != NULL, -1); @@ -1487,7 +1382,7 @@ gtk_gs_get_current_page(GtkGS * gs) return gs->current_page; } -gint +static gint gtk_gs_get_page_count(GtkGS * gs) { if(!gs->gs_filename) @@ -1503,7 +1398,7 @@ gtk_gs_get_page_count(GtkGS * gs) return 0; } -gboolean +static gboolean gtk_gs_goto_page(GtkGS * gs, gint page) { g_return_val_if_fail(gs != NULL, FALSE); @@ -1579,7 +1474,7 @@ gtk_gs_goto_page(GtkGS * gs, gint page) * c) the default setting of the widget. * otherwise, the new_pagesize is used as the pagesize */ -gboolean +static gboolean gtk_gs_set_page_size(GtkGS * gs, gint new_pagesize, gint pageid) { gint new_llx = 0; @@ -1686,59 +1581,30 @@ gtk_gs_set_page_size(GtkGS * gs, gint new_pagesize, gint pageid) return FALSE; } -void -gtk_gs_set_override_orientation(GtkGS * gs, gboolean bNewOverride) -{ - gint iOldOrientation; - - g_return_if_fail(gs != NULL); - g_return_if_fail(GTK_IS_GS(gs)); - - iOldOrientation = gtk_gs_get_orientation(gs); - - gs->override_orientation = bNewOverride; - - /* If the current orientation is different from the - new orientation then redisplay */ - if(iOldOrientation != gtk_gs_get_orientation(gs)) { - gs->changed = TRUE; - set_up_page(gs); - } -} - -gboolean -gtk_gs_get_override_orientation(GtkGS * gs) +static gfloat +gtk_gs_zoom_to_fit(GtkGS * gs, gboolean fit_width) { - g_return_val_if_fail(gs != NULL, FALSE); - g_return_val_if_fail(GTK_IS_GS(gs), FALSE); + gint new_y; + gfloat new_zoom; + guint avail_w, avail_h; - return gs->override_orientation; -} + g_return_val_if_fail(gs != NULL, 0.0); + g_return_val_if_fail(GTK_IS_GS(gs), 0.0); -void -gtk_gs_set_override_size(GtkGS * gs, gboolean f) -{ - g_return_if_fail(gs != NULL); - g_return_if_fail(GTK_IS_GS(gs)); + avail_w = (gs->avail_w > 0) ? gs->avail_w : gs->width; + avail_h = (gs->avail_h > 0) ? gs->avail_h : gs->height; - if(f != gs->override_size) { - gs->override_size = f; - gs->changed = TRUE; - gtk_gs_set_page_size(gs, -1, gs->current_page); - set_up_page(gs); + new_zoom = ((gfloat) avail_w) / ((gfloat) gs->width) * gs->zoom_factor; + if(!fit_width) { + new_y = new_zoom * ((gfloat) gs->height) / gs->zoom_factor; + if(new_y > avail_h) + new_zoom = ((gfloat) avail_h) / ((gfloat) gs->height) * gs->zoom_factor; } -} -gboolean -gtk_gs_get_override_size(GtkGS * gs) -{ - g_return_val_if_fail(gs != NULL, FALSE); - g_return_val_if_fail(GTK_IS_GS(gs), FALSE); - - return gs->override_size; + return new_zoom; } -void +static void gtk_gs_set_zoom(GtkGS * gs, gfloat zoom) { g_return_if_fail(gs != NULL); @@ -1765,314 +1631,6 @@ gtk_gs_set_zoom(GtkGS * gs, gfloat zoom) gtk_gs_goto_page(gs, gs->current_page); } -gfloat -gtk_gs_get_zoom(GtkGS * gs) -{ - g_return_val_if_fail(gs != NULL, 0.0); - g_return_val_if_fail(GTK_IS_GS(gs), 0.0); - - return gs->zoom_factor; -} - -gfloat -gtk_gs_zoom_to_fit(GtkGS * gs, gboolean fit_width) -{ - gint new_y; - gfloat new_zoom; - guint avail_w, avail_h; - - g_return_val_if_fail(gs != NULL, 0.0); - g_return_val_if_fail(GTK_IS_GS(gs), 0.0); - - avail_w = (gs->avail_w > 0) ? gs->avail_w : gs->width; - avail_h = (gs->avail_h > 0) ? gs->avail_h : gs->height; - - new_zoom = ((gfloat) avail_w) / ((gfloat) gs->width) * gs->zoom_factor; - if(!fit_width) { - new_y = new_zoom * ((gfloat) gs->height) / gs->zoom_factor; - if(new_y > avail_h) - new_zoom = ((gfloat) avail_h) / ((gfloat) gs->height) * gs->zoom_factor; - } - - return new_zoom; -} - -gboolean -gtk_gs_set_default_orientation(GtkGS * gs, gint orientation) -{ - gint iOldOrientation; - - g_return_val_if_fail(gs != NULL, FALSE); - g_return_val_if_fail(GTK_IS_GS(gs), FALSE); - g_return_val_if_fail((orientation == GTK_GS_ORIENTATION_PORTRAIT) || - (orientation == GTK_GS_ORIENTATION_LANDSCAPE) || - (orientation == GTK_GS_ORIENTATION_UPSIDEDOWN) || - (orientation == GTK_GS_ORIENTATION_SEASCAPE), FALSE); - - iOldOrientation = gtk_gs_get_orientation(gs); - gs->fallback_orientation = orientation; - - /* We are setting the fallback orientation */ - if(iOldOrientation != gtk_gs_get_orientation(gs)) { - gs->changed = TRUE; - set_up_page(gs); - return TRUE; - } - - return FALSE; -} - -gint -gtk_gs_get_default_orientation(GtkGS * gs) -{ - g_return_val_if_fail(gs != NULL, -1); - g_return_val_if_fail(GTK_IS_GS(gs), -1); - - return gs->fallback_orientation; -} - -gint -gtk_gs_get_orientation(GtkGS * gs) -{ - g_return_val_if_fail(gs != NULL, -1); - g_return_val_if_fail(GTK_IS_GS(gs), -1); - - if(gs->doc) { - if(gs->structured_doc) { - if(gs->doc->pages[MAX(gs->current_page, 0)].orientation != - GTK_GS_ORIENTATION_NONE) - gs->real_orientation = - gs->doc->pages[MAX(gs->current_page, 0)].orientation; - else - gs->real_orientation = gs->doc->default_page_orientation; - } - - if(gs->real_orientation == GTK_GS_ORIENTATION_NONE) - gs->real_orientation = gs->doc->orientation; - } - - if(gs->override_orientation || - gs->real_orientation == GTK_GS_ORIENTATION_NONE) - return gs->fallback_orientation; - else - return gs->real_orientation; -} - -void -gtk_gs_set_default_size(GtkGS * gs, gint size) -{ - g_return_if_fail(gs != NULL); - g_return_if_fail(GTK_IS_GS(gs)); - - gs->default_size = size; - gtk_gs_set_page_size(gs, -1, gs->current_page); -} - -gint -gtk_gs_get_default_size(GtkGS * gs) -{ - g_return_val_if_fail(gs != NULL, -1); - g_return_val_if_fail(GTK_IS_GS(gs), -1); - - return gs->default_size; -} - -void -gtk_gs_set_respect_eof(GtkGS * gs, gboolean f) -{ - g_return_if_fail(gs != NULL); - g_return_if_fail(GTK_IS_GS(gs)); - - if(gs->respect_eof == f) - return; - - gs->respect_eof = f; - gtk_gs_set_page_size(gs, -1, gs->current_page); -} - -gint -gtk_gs_get_respect_eof(GtkGS * gs) -{ - g_return_val_if_fail(gs != NULL, -1); - g_return_val_if_fail(GTK_IS_GS(gs), -1); - - return gs->respect_eof; -} - -void -gtk_gs_set_antialiasing(GtkGS * gs, gboolean f) -{ - g_return_if_fail(gs != NULL); - g_return_if_fail(GTK_IS_GS(gs)); - - if(gs->antialiased == f) - return; - - gs->antialiased = f; - gs->changed = TRUE; - start_interpreter(gs); - gtk_gs_goto_page(gs, gs->current_page); -} - -gint -gtk_gs_get_antialiasing(GtkGS * gs) -{ - g_return_val_if_fail(gs != NULL, -1); - g_return_val_if_fail(GTK_IS_GS(gs), -1); - - return gs->antialiased; -} - -const gchar * -gtk_gs_get_document_title(GtkGS * gs) -{ - g_return_val_if_fail(gs != NULL, NULL); - g_return_val_if_fail(GTK_IS_GS(gs), NULL); - - if(gs->doc && gs->doc->title) - return gs->doc->title; - - return NULL; -} - -guint -gtk_gs_get_document_numpages(GtkGS * widget) -{ - g_return_val_if_fail(widget != NULL, 0); - g_return_val_if_fail(GTK_IS_GS(widget), 0); - - if(widget->doc) - return widget->doc->numpages; - - return 0; -} - -const gchar * -gtk_gs_get_document_page_label(GtkGS * widget, int page) -{ - g_return_val_if_fail(widget != NULL, NULL); - g_return_val_if_fail(GTK_IS_GS(widget), NULL); - - if(widget->doc && widget->doc->pages && (widget->doc->numpages >= page)) - return widget->doc->pages[page - 1].label; - - return NULL; -} - -gint -gtk_gs_get_size_index(const gchar * string, GtkGSPaperSize * size) -{ - guint idx = 0; - - while(size[idx].name != NULL) { - if(strcmp(size[idx].name, string) == 0) - return idx; - idx++; - } - - return -1; -} - -gchar * -gtk_gs_get_postscript(GtkGS * gs, gint * pages) -{ - GtkGSDocSink *sink; - gchar *doc; - gboolean free_pages = FALSE; - - if(pages == NULL) { - if(!gs->structured_doc) { - FILE *f; - struct stat sb; - - if(stat(GTK_GS_GET_PS_FILE(gs), &sb)) - return NULL; - doc = g_new(gchar, sb.st_size); - if(!doc) - return NULL; - f = fopen(GTK_GS_GET_PS_FILE(gs), "r"); - if(NULL != f && fread(doc, sb.st_size, 1, f) != 1) { - g_free(doc); - doc = NULL; - } - if(NULL != f) - fclose(f); - return doc; - } - else { - int i, n = gtk_gs_get_page_count(gs); - pages = g_new0(gint, n); - for(i = 0; i < n; i++) - pages[i] = TRUE; - free_pages = TRUE; - } - } - - sink = gtk_gs_doc_sink_new(); - - if(GTK_GS_IS_PDF(gs)) { - gchar *tmpn = g_strconcat(g_get_tmp_dir(), "/ggvXXXXXX", NULL); - gchar *cmd, *fname; - int tmpfd; - - if((tmpfd = mkstemp(tmpn)) < 0) { - g_free(tmpn); - return NULL; - } - close(tmpfd); - fname = g_shell_quote (gs->gs_filename_unc ? - gs->gs_filename_unc : gs->gs_filename); - cmd = g_strdup_printf(gtk_gs_defaults_get_convert_pdf_cmd(), tmpn, fname); - g_free(fname); - if((system(cmd) == 0) && file_readable(tmpn)) { - GObject *tmp_gs; - tmp_gs = gtk_gs_new_from_file(NULL, NULL, tmpn); - if(NULL != tmp_gs) { - if(GTK_GS(tmp_gs)->loaded) - pscopydoc(sink, tmpn, GTK_GS(tmp_gs)->doc, pages); - g_object_unref(tmp_gs); - } - } - g_free(cmd); - g_free(tmpn); - } - else { - /* Use uncompressed file if necessary */ - pscopydoc(sink, GTK_GS_GET_PS_FILE(gs), gs->doc, pages); - } - if(free_pages) - g_free(pages); - doc = gtk_gs_doc_sink_get_buffer(sink); - gtk_gs_doc_sink_free(sink); - return doc; -} - -void -gtk_gs_set_zoom_mode(GtkGS * gs, GtkGSZoomMode zoom_mode) -{ - if(zoom_mode != gs->zoom_mode) { - gs->zoom_mode = zoom_mode; - gtk_gs_set_zoom(gs, 1.0); - } - gtk_gs_goto_page(gs, gs->current_page); -} - -GtkGSZoomMode -gtk_gs_get_zoom_mode(GtkGS * gs) -{ - return gs->zoom_mode; -} - -void -gtk_gs_set_available_size(GtkGS * gs, guint avail_w, guint avail_h) -{ - gs->avail_w = avail_w; - gs->avail_h = avail_h; - if(gs->zoom_mode != GTK_GS_ZOOM_ABSOLUTE) { - gtk_gs_set_zoom(gs, 0.0); - } -} - static gboolean ps_document_load (EvDocument *document, const char *uri, @@ -131,73 +131,8 @@ struct _GtkGSClass { void (*interpreter_error) (GtkGS *, gint, gpointer); }; - -/* structure to describe section of file to send to ghostscript */ -struct record_list { - FILE *fp; - long begin; - guint len; - gboolean seek_needed; - gboolean close; - struct record_list *next; -}; - GType gtk_gs_get_type(void); -GObject *gtk_gs_new_from_file(GtkAdjustment * hadj, GtkAdjustment * vadj, - gchar * fname); -GObject *gtk_gs_new(GtkAdjustment * hadj, GtkAdjustment * vadj); -gboolean gtk_gs_load(GtkGS * gs, const gchar * fname); -void gtk_gs_reload(GtkGS * gs); - -/* control functions */ -gboolean gtk_gs_next_page(GtkGS * gs); -gboolean gtk_gs_prev_page(GtkGS * gs); -gboolean gtk_gs_goto_page(GtkGS * gs, gint); -gint gtk_gs_enable_interpreter(GtkGS * gs); -void gtk_gs_disable_interpreter(GtkGS * gs); - -gint gtk_gs_get_current_page(GtkGS * gs); -gint gtk_gs_get_page_count(GtkGS * gs); -gboolean gtk_gs_set_page_size(GtkGS * gs, gint new_pagesize, gint pageid); -gboolean gtk_gs_set_default_orientation(GtkGS * gs, gint orientation); -gint gtk_gs_get_default_orientation(GtkGS * gs); -void gtk_gs_set_default_size(GtkGS * gs, gint size); -gint gtk_gs_get_default_size(GtkGS * gs); -void gtk_gs_set_zoom(GtkGS * gs, gfloat zoom); -gfloat gtk_gs_get_zoom(GtkGS * gs); -gfloat gtk_gs_zoom_to_fit(GtkGS * gs, gboolean fit_width); -void gtk_gs_set_center(GtkGS * gs, gfloat hval, gfloat vval); -gint gtk_gs_get_orientation(GtkGS * gs); -void gtk_gs_set_override_orientation(GtkGS * gs, gboolean f); -gboolean gtk_gs_get_override_orientation(GtkGS * gs); -void gtk_gs_set_respect_eof(GtkGS * gs, gboolean f); -gboolean gtk_gs_get_respect_eof(GtkGS * gs); -void gtk_gs_set_antialiasing(GtkGS * gs, gboolean f); -gboolean gtk_gs_get_antialiasing(GtkGS * gs); -void gtk_gs_set_override_size(GtkGS * gs, gboolean f); -gboolean gtk_gs_get_override_size(GtkGS * gs); -const gchar *gtk_gs_get_document_title(GtkGS * widget); -guint gtk_gs_get_document_numpages(GtkGS * widget); -const gchar *gtk_gs_get_document_page_label(GtkGS * widget, int page); - -void gtk_gs_set_zoom_mode(GtkGS * gs, GtkGSZoomMode zoom_mode); -GtkGSZoomMode gtk_gs_get_zoom_mode(GtkGS * gs); - -void gtk_gs_set_available_size(GtkGS * gs, guint avail_w, guint avail_h); - -/* utility functions */ -gint gtk_gs_get_size_index(const gchar * string, GtkGSPaperSize * size); - -gchar *gtk_gs_get_postscript(GtkGS * gs, gint * pages); - -#define GTK_GS_IS_COMPRESSED(gs) (GTK_GS(gs)->gs_filename_unc != NULL) -#define GTK_GS_GET_PS_FILE(gs) (GTK_GS_IS_COMPRESSED(gs) ? \ - GTK_GS(gs)->gs_filename_unc : \ - GTK_GS(gs)->gs_filename) -#define GTK_GS_IS_PDF(gs) (GTK_GS(gs)->gs_filename_dsc != NULL) -#define GTK_GS_IS_STRUCTURED_DOC(gs) (GTK_GS(gs)->structured_doc) - G_END_DECLS #endif /* __GTK_GS_H__ */ |