/*

 * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package javax.swing.plaf.synth;

import java.awt.*;

import java.lang.ref.WeakReference;

import java.net.*;

import javax.swing.*;

import sun.awt.AppContext;

import sun.swing.plaf.synth.Paint9Painter;

/**

 * ImagePainter fills in the specified region using an Image. The Image

 * is split into 9 segments: north, north east, east, south east, south,

 * south west, west, north west and the center. The corners are defined

 * by way of an insets, and the remaining regions are either tiled or

 * scaled to fit.

 *

 * @author Scott Violet

 */

class ImagePainter extends SynthPainter {

    private static final StringBuffer CACHE_KEY =

                               new StringBuffer("SynthCacheKey");

    private Image image;

    private Insets sInsets;

    private Insets dInsets;

    private URL path;

    private boolean tiles;

    private boolean paintCenter;

    private Paint9Painter imageCache;

    private boolean center;

    private static Paint9Painter getPaint9Painter() {

        // A SynthPainter is created per <imagePainter>.  We want the

        // cache to be shared by all, and we don't use a static because we

        // don't want it to persist between look and feels.  For that reason

        // we use a AppContext specific Paint9Painter.  It's backed via

        // a WeakRef so that it can go away if the look and feel changes.

        synchronized(CACHE_KEY) {

            @SuppressWarnings("unchecked")

            WeakReference<Paint9Painter> cacheRef =

                     (WeakReference<Paint9Painter>)AppContext.getAppContext().

                     get(CACHE_KEY);

            Paint9Painter painter;

            if (cacheRef == null || (painter = cacheRef.get()) == null) {

                painter = new Paint9Painter(30);

                cacheRef = new WeakReference<Paint9Painter>(painter);

                AppContext.getAppContext().put(CACHE_KEY, cacheRef);

            }

            return painter;

        }

    }

    ImagePainter(boolean tiles, boolean paintCenter,

                 Insets sourceInsets, Insets destinationInsets, URL path,

                 boolean center) {

        if (sourceInsets != null) {

            this.sInsets = (Insets)sourceInsets.clone();

        }

        if (destinationInsets == null) {

            dInsets = sInsets;

        }

        else {

            this.dInsets = (Insets)destinationInsets.clone();

        }

        this.tiles = tiles;

        this.paintCenter = paintCenter;

        this.imageCache = getPaint9Painter();

        this.path = path;

        this.center = center;

    }

    public boolean getTiles() {

        return tiles;

    }

    public boolean getPaintsCenter() {

        return paintCenter;

    }

    public boolean getCenter() {

        return center;

    }

    public Insets getInsets(Insets insets) {

        if (insets == null) {

            return (Insets)this.dInsets.clone();

        }

        insets.left = this.dInsets.left;

        insets.right = this.dInsets.right;

        insets.top = this.dInsets.top;

        insets.bottom = this.dInsets.bottom;

        return insets;

    }

    public Image getImage() {

        if (image == null) {

            image = new ImageIcon(path, null).getImage();

        }

        return image;

    }

    private void paint(SynthContext context, Graphics g, int x, int y, int w,

                       int h) {

        Image image = getImage();

        if (Paint9Painter.validImage(image)) {

            Paint9Painter.PaintType type;

            if (getCenter()) {

                type = Paint9Painter.PaintType.CENTER;

            }

            else if (!getTiles()) {

                type = Paint9Painter.PaintType.PAINT9_STRETCH;

            }

            else {

                type = Paint9Painter.PaintType.PAINT9_TILE;

            }

            int mask = Paint9Painter.PAINT_ALL;

            if (!getCenter() && !getPaintsCenter()) {

                mask |= Paint9Painter.PAINT_CENTER;

            }

            imageCache.paint(context.getComponent(), g, x, y, w, h,

                             image, sInsets, dInsets, type,

                             mask);

        }

    }

    // SynthPainter

    public void paintArrowButtonBackground(SynthContext context,

                                           Graphics g, int x, int y,

                                           int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintArrowButtonBorder(SynthContext context,

                                       Graphics g, int x, int y,

                                       int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintArrowButtonForeground(SynthContext context,

                                           Graphics g, int x, int y,

                                           int w, int h,

                                           int direction) {

        paint(context, g, x, y, w, h);

    }

    // BUTTON

    public void paintButtonBackground(SynthContext context,

                                      Graphics g, int x, int y,

                                      int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintButtonBorder(SynthContext context,

                                  Graphics g, int x, int y,

                                  int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // CHECK_BOX_MENU_ITEM

    public void paintCheckBoxMenuItemBackground(SynthContext context,

                                                Graphics g, int x, int y,

                                                int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintCheckBoxMenuItemBorder(SynthContext context,

                                            Graphics g, int x, int y,

                                            int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // CHECK_BOX

    public void paintCheckBoxBackground(SynthContext context,

                                        Graphics g, int x, int y,

                                        int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintCheckBoxBorder(SynthContext context,

                                    Graphics g, int x, int y,

                                    int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // COLOR_CHOOSER

    public void paintColorChooserBackground(SynthContext context,

                                            Graphics g, int x, int y,

                                            int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintColorChooserBorder(SynthContext context,

                                        Graphics g, int x, int y,

                                        int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // COMBO_BOX

    public void paintComboBoxBackground(SynthContext context,

                                        Graphics g, int x, int y,

                                        int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintComboBoxBorder(SynthContext context,

                                        Graphics g, int x, int y,

                                        int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // DESKTOP_ICON

    public void paintDesktopIconBackground(SynthContext context,

                                        Graphics g, int x, int y,

                                        int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintDesktopIconBorder(SynthContext context,

                                           Graphics g, int x, int y,

                                           int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // DESKTOP_PANE

    public void paintDesktopPaneBackground(SynthContext context,

                                           Graphics g, int x, int y,

                                           int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintDesktopPaneBorder(SynthContext context,

                                       Graphics g, int x, int y,

                                       int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // EDITOR_PANE

    public void paintEditorPaneBackground(SynthContext context,

                                          Graphics g, int x, int y,

                                          int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintEditorPaneBorder(SynthContext context,

                                      Graphics g, int x, int y,

                                      int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // FILE_CHOOSER

    public void paintFileChooserBackground(SynthContext context,

                                          Graphics g, int x, int y,

                                          int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintFileChooserBorder(SynthContext context,

                                      Graphics g, int x, int y,

                                      int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // FORMATTED_TEXT_FIELD

    public void paintFormattedTextFieldBackground(SynthContext context,

                                          Graphics g, int x, int y,

                                          int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintFormattedTextFieldBorder(SynthContext context,

                                      Graphics g, int x, int y,

                                      int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // INTERNAL_FRAME_TITLE_PANE

    public void paintInternalFrameTitlePaneBackground(SynthContext context,

                                          Graphics g, int x, int y,

                                          int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintInternalFrameTitlePaneBorder(SynthContext context,

                                      Graphics g, int x, int y,

                                      int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // INTERNAL_FRAME

    public void paintInternalFrameBackground(SynthContext context,

                                          Graphics g, int x, int y,

                                          int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintInternalFrameBorder(SynthContext context,

                                      Graphics g, int x, int y,

                                      int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // LABEL

    public void paintLabelBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintLabelBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // LIST

    public void paintListBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintListBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // MENU_BAR

    public void paintMenuBarBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintMenuBarBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // MENU_ITEM

    public void paintMenuItemBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintMenuItemBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // MENU

    public void paintMenuBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintMenuBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // OPTION_PANE

    public void paintOptionPaneBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintOptionPaneBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // PANEL

    public void paintPanelBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintPanelBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // PANEL

    public void paintPasswordFieldBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintPasswordFieldBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // POPUP_MENU

    public void paintPopupMenuBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintPopupMenuBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // PROGRESS_BAR

    public void paintProgressBarBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintProgressBarBackground(SynthContext context,

                                           Graphics g, int x, int y,

                                           int w, int h, int orientation) {

        paint(context, g, x, y, w, h);

    }

    public void paintProgressBarBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintProgressBarBorder(SynthContext context,

                                       Graphics g, int x, int y,

                                       int w, int h, int orientation) {

        paint(context, g, x, y, w, h);

    }

    public void paintProgressBarForeground(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h, int orientation) {

        paint(context, g, x, y, w, h);

    }

    // RADIO_BUTTON_MENU_ITEM

    public void paintRadioButtonMenuItemBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintRadioButtonMenuItemBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // RADIO_BUTTON

    public void paintRadioButtonBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintRadioButtonBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // ROOT_PANE

    public void paintRootPaneBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintRootPaneBorder(SynthContext context,

                                 Graphics g, int x, int y,

                                 int w, int h) {

        paint(context, g, x, y, w, h);

    }

    // SCROLL_BAR

    public void paintScrollBarBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h) {

        paint(context, g, x, y, w, h);

    }

    public void paintScrollBarBackground(SynthContext context,

                                     Graphics g, int x, int y,

                                     int w, int h, int orientation) {

        paint(context, g, x, y, w, h);

    }

    public void paintScrollBarBorder(SynthContext context,