diff options
| author | Andrew Haley <aph@redhat.com> | 2016-09-30 16:24:48 +0000 |
|---|---|---|
| committer | Andrew Haley <aph@gcc.gnu.org> | 2016-09-30 16:24:48 +0000 |
| commit | 07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch) | |
| tree | 3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/gnu/java/awt/java2d/TexturePaintContext.java | |
| parent | eae993948bae8b788c53772bcb9217c063716f93 (diff) | |
Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com>
* Makefile.def: Remove libjava.
* Makefile.tpl: Likewise.
* Makefile.in: Regenerate.
* configure.ac: Likewise.
* configure: Likewise.
* gcc/java: Remove.
* libjava: Likewise.
From-SVN: r240662
Diffstat (limited to 'libjava/classpath/gnu/java/awt/java2d/TexturePaintContext.java')
| -rw-r--r-- | libjava/classpath/gnu/java/awt/java2d/TexturePaintContext.java | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/libjava/classpath/gnu/java/awt/java2d/TexturePaintContext.java b/libjava/classpath/gnu/java/awt/java2d/TexturePaintContext.java deleted file mode 100644 index 2523d23110d..00000000000 --- a/libjava/classpath/gnu/java/awt/java2d/TexturePaintContext.java +++ /dev/null @@ -1,211 +0,0 @@ -/* TexturePaintContext.java -- PaintContext impl for TexturePaint - Copyright (C) 2006 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.awt.java2d; - -import java.awt.AWTError; -import java.awt.PaintContext; -import java.awt.Rectangle; -import java.awt.TexturePaint; -import java.awt.geom.AffineTransform; -import java.awt.geom.NoninvertibleTransformException; -import java.awt.geom.Rectangle2D; -import java.awt.image.BufferedImage; -import java.awt.image.ColorModel; -import java.awt.image.Raster; -import java.awt.image.WritableRaster; - -/** - * A {@link PaintContext} implementation for {@link TexturePaint}, done in - * pure Java. - * - * @author Roman Kennke (kennke@aicas.com) - */ -public class TexturePaintContext - implements PaintContext -{ - - /** - * The TexturePaint object. - */ - private BufferedImage image; - - /** - * The Raster that holds the texture. - */ - private WritableRaster paintRaster; - - /** - * The transform from userspace into device space. - */ - private AffineTransform transform; - - /** - * Creates a new TexturePaintContext for the specified TexturePaint object. - * This initializes the Raster which is returned by - * {@link #getRaster(int, int, int, int)}. - * - * @param t the texture paint object - * @param db the bounds of the target raster in device space - * @param ub the bounds of the target raster in user space - * @param xform the transformation from user space to device space - */ - public TexturePaintContext(TexturePaint t, Rectangle db, - Rectangle2D ub, AffineTransform xform) - { - image = t.getImage(); - - try - { - // Prepare transform for mapping from device space into image space. - // In order to achieve this we take the transform for userspace-> - // devicespace, append the correct scale and translation according - // to the anchor (which gives us the image->userspace->devicespace - // transform), and invert that (which gives use the device->user->image - // transform). - Rectangle2D anchor = t.getAnchorRect(); - BufferedImage image = t.getImage(); - double scaleX = anchor.getWidth() / image.getWidth(); - double scaleY = anchor.getHeight() / image.getHeight(); - transform = (AffineTransform) xform.clone(); - transform.scale(scaleX, scaleY); - transform.translate(-anchor.getMinX(), -anchor.getMinY()); - transform = transform.createInverse(); - } - catch (NoninvertibleTransformException ex) - { - AWTError err = - new AWTError("Unexpected NoninvertibleTransformException"); - err.initCause(ex); - throw err; - } - } - - /** - * Disposes the PaintContext. Nothing is to do here, since we don't use - * any native resources in that implementation. - */ - public void dispose() - { - // Nothing to do here. - } - - /** - * Returns the color model of this PaintContext. This implementation returnes - * the color model used by the BufferedImage in the TexturePaint object, - * this avoids costly color model transformations (at least at this point). - * - * @return the color model of this PaintContext - */ - public ColorModel getColorModel() - { - return image.getColorModel(); - } - - /** - * Returns the Raster that is used for painting. - * - * @param x1 the x location of the raster inside the user bounds of this paint - * context - * @param y1 the y location of the raster inside the user bounds of this paint - * context - * @param w the width - * @param h the height - * - * @return the Raster that is used for painting - * - */ - public Raster getRaster(int x1, int y1, int w, int h) - { - ensureRasterSize(w, h); - int x2 = x1 + w; - int y2 = y1 + h; - float[] src = new float[2]; - float[] dest = new float[2]; - Raster source = image.getData(); - int minX = source.getMinX(); - int width = source.getWidth(); - int minY = source.getMinY(); - int height = source.getHeight(); - Object pixel = null; - for (int y = y1; y < y2; y++) - { - for (int x = x1; x < x2; x++) - { - // Transform the coordinates from device space into image space. - src[0] = x; - src[1] = y; - transform.transform(src, 0, dest, 0, 1); - int dx = (int) dest[0]; - int dy = (int) dest[1]; - - // The modulo operation gives us the replication effect. - dx = ((dx - minX) % width) + minX; - dy = ((dy - minY) % height) + minY; - - // Handle possible negative values (replicating above the top-left) - if (dx < 0) - dx += width; - if (dy < 0) - dy += height; - - // Copy the pixel. - pixel = source.getDataElements(dx, dy, pixel); - paintRaster.setDataElements(x - x1, y - y1, pixel); - } - } - return paintRaster; - } - - /** - * Ensures that the target raster exists and has at least the specified - * size. - * - * @param w the requested target width - * @param h the requested target height - */ - private void ensureRasterSize(int w, int h) - { - if (paintRaster == null || paintRaster.getWidth() < w - || paintRaster.getHeight() < h) - { - Raster s = image.getData(); - paintRaster = s.createCompatibleWritableRaster(w, h); - } - } -} |
