JDK 11 java.desktop.jmod - Desktop Module

JDK 11 java.desktop.jmod is the JMOD file for JDK 11 Desktop module.

JDK 11 Desktop module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.desktop.jmod.

JDK 11 Desktop module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Desktop module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.desktop.

You can click and view the content of each source code file in the list below.

✍: FYIcenter

javax/swing/plaf/nimbus/ImageScalingHelper.java

/*
 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */
package javax.swing.plaf.nimbus;

import java.awt.Graphics;
import java.awt.Image;
import java.awt.Insets;

/**
 * ImageScalingHelper
 *
 * @author Created by Jasper Potts (Aug 8, 2007)
 */
class ImageScalingHelper {

    /** Enumeration for the types of painting this class can handle. */
    enum PaintType {
        /**
         * Painting type indicating the image should be centered in the space provided.  When used the <code>mask</code>
         * is ignored.
         */
        CENTER,

        /**
         * Painting type indicating the image should be tiled across the specified width and height.  When used the
         * <code>mask</code> is ignored.
         */
        TILE,

        /**
         * Painting type indicating the image should be split into nine regions with the top, left, bottom and right
         * areas stretched.
         */
        PAINT9_STRETCH,

        /**
         * Painting type indicating the image should be split into nine regions with the top, left, bottom and right
         * areas tiled.
         */
        PAINT9_TILE
    }

    ;

    private static final Insets EMPTY_INSETS = new Insets(0, 0, 0, 0);

    static final int PAINT_TOP_LEFT = 1;
    static final int PAINT_TOP = 2;
    static final int PAINT_TOP_RIGHT = 4;
    static final int PAINT_LEFT = 8;
    static final int PAINT_CENTER = 16;
    static final int PAINT_RIGHT = 32;
    static final int PAINT_BOTTOM_RIGHT = 64;
    static final int PAINT_BOTTOM = 128;
    static final int PAINT_BOTTOM_LEFT = 256;
    /**
     * Specifies that all regions should be painted.  If this is set any other regions specified will not be painted.
     * For example PAINT_ALL | PAINT_CENTER will paint all but the center.
     */
    static final int PAINT_ALL = 512;

    /**
     * Paints using the algorightm specified by <code>paintType</code>.
     *
     * @param g         Graphics to render to
     * @param x         X-coordinate
     * @param y         Y-coordinate
     * @param w         Width to render to
     * @param h         Height to render to
     * @param image     Image to render from, if <code>null</code> this method will do nothing
     * @param sInsets   Insets specifying the portion of the image that will be stretched or tiled, if <code>null</code>
     *                  empty <code>Insets</code> will be used.
     * @param dInsets   Destination insets specifying the portion of the image will be stretched or tiled, if
     *                  <code>null</code> empty <code>Insets</code> will be used.
     * @param paintType Specifies what type of algorithm to use in painting
     * @param mask      Specifies portion of image to render, if <code>PAINT_ALL</code> is specified, any other regions
     *                  specified will not be painted, for example PAINT_ALL | PAINT_CENTER paints everything but the
     *                  center.
     */
    public static void paint(Graphics g, int x, int y, int w, int h,
                      Image image, Insets sInsets,
                      Insets dInsets, PaintType paintType, int mask) {
        if (image == null || image.getWidth(null) <= 0 || image.getHeight(null) <= 0) {
            return;
        }
        if (sInsets == null) {
            sInsets = EMPTY_INSETS;
        }
        if (dInsets == null) {
            dInsets = EMPTY_INSETS;
        }
        int iw = image.getWidth(null);
        int ih = image.getHeight(null);

        if (paintType == PaintType.CENTER) {
            // Center the image
            g.drawImage(image, x + (w - iw) / 2,
                    y + (h - ih) / 2, null);
        } else if (paintType == PaintType.TILE) {
            // Tile the image
            int lastIY = 0;
            for (int yCounter = y, maxY = y + h; yCounter < maxY;
                 yCounter += (ih - lastIY), lastIY = 0) {
                int lastIX = 0;
                for (int xCounter = x, maxX = x + w; xCounter < maxX;
                     xCounter += (iw - lastIX), lastIX = 0) {
                    int dx2 = Math.min(maxX, xCounter + iw - lastIX);
                    int dy2 = Math.min(maxY, yCounter + ih - lastIY);
                    g.drawImage(image, xCounter, yCounter, dx2, dy2,
                            lastIX, lastIY, lastIX + dx2 - xCounter,
                            lastIY + dy2 - yCounter, null);
                }
            }
        } else {
            int st = sInsets.top;
            int sl = sInsets.left;
            int sb = sInsets.bottom;
            int sr = sInsets.right;

            int dt = dInsets.top;
            int dl = dInsets.left;
            int db = dInsets.bottom;
            int dr = dInsets.right;

            // Constrain the insets to the size of the image
            if (st + sb > ih) {
                db = dt = sb = st = Math.max(0, ih / 2);
            }
            if (sl + sr > iw) {
                dl = dr = sl = sr = Math.max(0, iw / 2);
            }

            // Constrain the insets to the size of the region we're painting
            // in.
            if (dt + db > h) {
                dt = db = Math.max(0, h / 2 - 1);
            }
            if (dl + dr > w) {
                dl = dr = Math.max(0, w / 2 - 1);
            }

            boolean stretch = (paintType == PaintType.PAINT9_STRETCH);
            if ((mask & PAINT_ALL) != 0) {
                mask = (PAINT_ALL - 1) & ~mask;
            }

            if ((mask & PAINT_LEFT) != 0) {
                drawChunk(image, g, stretch, x, y + dt, x + dl, y + h - db,
                        0, st, sl, ih - sb, false);
            }
            if ((mask & PAINT_TOP_LEFT) != 0) {
                drawImage(image, g, x, y, x + dl, y + dt,
                        0, 0, sl, st);
            }
            if ((mask & PAINT_TOP) != 0) {
                drawChunk(image, g, stretch, x + dl, y, x + w - dr, y + dt,
                        sl, 0, iw - sr, st, true);
            }
            if ((mask & PAINT_TOP_RIGHT) != 0) {
                drawImage(image, g, x + w - dr, y, x + w, y + dt,
                        iw - sr, 0, iw, st);
            }
            if ((mask & PAINT_RIGHT) != 0) {
                drawChunk(image, g, stretch,
                        x + w - dr, y + dt, x + w, y + h - db,
                        iw - sr, st, iw, ih - sb, false);
            }
            if ((mask & PAINT_BOTTOM_RIGHT) != 0) {
                drawImage(image, g, x + w - dr, y + h - db, x + w, y + h,
                        iw - sr, ih - sb, iw, ih);
            }
            if ((mask & PAINT_BOTTOM) != 0) {
                drawChunk(image, g, stretch,
                        x + dl, y + h - db, x + w - dr, y + h,
                        sl, ih - sb, iw - sr, ih, true);
            }
            if ((mask & PAINT_BOTTOM_LEFT) != 0) {
                drawImage(image, g, x, y + h - db, x + dl, y + h,
                        0, ih - sb, sl, ih);
            }
            if ((mask & PAINT_CENTER) != 0) {
                drawImage(image, g, x + dl, y + dt, x + w - dr, y + h - db,
                        sl, st, iw - sr, ih - sb);
            }
        }
    }

    /**
     * Draws a portion of an image, stretched or tiled.
     *
     * @param image Image to render.
     * @param g Graphics to render to
     * @param stretch Whether the image should be stretched or timed in the
     *                provided space.
     * @param dx1 X origin to draw to
     * @param dy1 Y origin to draw to
     * @param dx2 End x location to draw to
     * @param dy2 End y location to draw to
     * @param sx1 X origin to draw from
     * @param sy1 Y origin to draw from
     * @param sx2 Max x location to draw from
     * @param sy2 Max y location to draw from
     * @param xDirection Used if the image is not stretched. If true it
     *        indicates the image should be tiled along the x axis.
     */
    private static void drawChunk(Image image, Graphics g, boolean stretch,
                           int dx1, int dy1, int dx2, int dy2, int sx1,
                           int sy1, int sx2, int sy2,
                           boolean xDirection) {
        if (dx2 - dx1 <= 0 || dy2 - dy1 <= 0 || sx2 - sx1 <= 0 ||
                              sy2 - sy1 <= 0) {
            // Bogus location, nothing to paint
            return;
        }
        if (stretch) {
            g.drawImage(image, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, null);
        }
        else {
            int xSize = sx2 - sx1;
            int ySize = sy2 - sy1;
            int deltaX;
            int deltaY;

            if (xDirection) {
                deltaX = xSize;
                deltaY = 0;
            }
            else {
                deltaX = 0;
                deltaY = ySize;
            }
            while (dx1 < dx2 && dy1 < dy2) {
                int newDX2 = Math.min(dx2, dx1 + xSize);
                int newDY2 = Math.min(dy2, dy1 + ySize);

                g.drawImage(image, dx1, dy1, newDX2, newDY2,
                            sx1, sy1, sx1 + newDX2 - dx1,
                            sy1 + newDY2 - dy1, null);
                dx1 += deltaX;
                dy1 += deltaY;
            }
        }
    }

    private static void drawImage(Image image, Graphics g,
                           int dx1, int dy1, int dx2, int dy2, int sx1,
                           int sy1, int sx2, int sy2) {
        // PENDING: is this necessary, will G2D do it for me?
        if (dx2 - dx1 <= 0 || dy2 - dy1 <= 0 || sx2 - sx1 <= 0 ||
                sy2 - sy1 <= 0) {
            // Bogus location, nothing to paint
            return;
        }
        g.drawImage(image, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, null);
    }


}

javax/swing/plaf/nimbus/ImageScalingHelper.java

 

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File name: java.desktop-11.0.1-src.zip
File size: 7974380 bytes
Release date: 2018-11-04
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