2 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.0b1)
3 * Copyright (C) 2014 The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
11 * Jalview is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty
13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
14 * PURPOSE. See the GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.
17 * The Jalview Authors are detailed in the 'AUTHORS' file.
19 package jalview.renderer;
21 import java.awt.FontMetrics;
22 import java.awt.Image;
23 import java.awt.image.ImageObserver;
25 public interface AwtRenderPanelI extends ImageObserver
28 * old image used when data is currently being calculated and cannot be
31 Image getFadedImage();
34 * FontMetrics to use for rendering into Panel
38 FontMetrics getFontMetrics();
41 * width of image to render in panel
43 int getFadedImageWidth();
46 * height of visible area on to the image - used to draw only what is visible.
47 * @return [start, end of visible region]
49 int[] getVisibleVRange();