C++ (Cpp) create_image_from_pixbufの例

コード例 #1

// paste an external image
void clipboard_paste_image(GdkPixbuf *pixbuf)
{
  double pt[2];

  reset_selection();

  get_current_pointer_coords(pt);
  set_current_page(pt);  

  create_image_from_pixbuf(pixbuf, pt);
}

コード例 #2

ファイル: xo-image.c プロジェクト: akesling/Xournal

void insert_image(GdkEvent *event)
{
  GtkTextBuffer *buffer;
  GnomeCanvasItem *canvas_item;
  GdkColor color;
  GtkWidget *dialog;
  GtkFileFilter *filt_all;
  GtkFileFilter *filt_gdkimage;
  char *filename;
  GdkPixbuf *pixbuf;
  double scale=1;
  double pt[2];
  
  dialog = gtk_file_chooser_dialog_new(_("Insert Image"), GTK_WINDOW (winMain),
     GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
     GTK_STOCK_OPEN, GTK_RESPONSE_OK, NULL);
#ifdef FILE_DIALOG_SIZE_BUGFIX
  gtk_window_set_default_size(GTK_WINDOW(dialog), 500, 400);
#endif
     
  filt_all = gtk_file_filter_new();
  gtk_file_filter_set_name(filt_all, _("All files"));
  gtk_file_filter_add_pattern(filt_all, "*");
  filt_gdkimage = gtk_file_filter_new();
  gtk_file_filter_set_name(filt_gdkimage, _("Image files"));
  gtk_file_filter_add_pixbuf_formats(filt_gdkimage);
  gtk_file_chooser_add_filter(GTK_FILE_CHOOSER (dialog), filt_gdkimage);
  gtk_file_chooser_add_filter(GTK_FILE_CHOOSER (dialog), filt_all);

  if (ui.default_image != NULL) gtk_file_chooser_set_filename(GTK_FILE_CHOOSER (dialog), ui.default_image);

  if (gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_OK) {
    gtk_widget_destroy(dialog);
    return;
  }
  filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER (dialog));
  gtk_widget_destroy(dialog);

  if (filename == NULL) return; /* nothing selected */

  if (ui.default_image != NULL) g_free(ui.default_image);
  ui.default_image = g_strdup(filename);
  
  set_cursor_busy(TRUE);
  pixbuf=gdk_pixbuf_new_from_file(filename, NULL);
  set_cursor_busy(FALSE);
  
  if(pixbuf==NULL) { /* open failed */
    dialog = gtk_message_dialog_new(GTK_WINDOW (winMain), GTK_DIALOG_MODAL,
      GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Error opening image '%s'"), filename);
    gtk_dialog_run(GTK_DIALOG(dialog));
    gtk_widget_destroy(dialog);
    g_free(filename);
    ui.cur_item = NULL;
    ui.cur_item_type = ITEM_NONE;
    return;
  }

  ui.cur_item_type = ITEM_IMAGE;

  get_pointer_coords(event, pt);
  set_current_page(pt);  

  create_image_from_pixbuf(pixbuf, pt);
}