| /* |
| * Copyright (c) 1997, 2003, 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 sun.java2d.pipe; |
| |
| import java.awt.Color; |
| import java.awt.Image; |
| import java.awt.Shape; |
| import java.awt.geom.AffineTransform; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.BufferedImageOp; |
| import java.awt.image.ImageObserver; |
| import sun.java2d.SunGraphics2D; |
| import java.awt.font.GlyphVector; |
| |
| /** |
| * This class is used to force a revalidation of the pipelines of |
| * the indicated SunGraphics2D object before a draw command. |
| * After calling SunGraphics2D.validatePipe() to force the pipeline |
| * to be revalidated, this object redispatches the draw command to |
| * the new valid pipe object. |
| */ |
| public class ValidatePipe |
| implements PixelDrawPipe, PixelFillPipe, ShapeDrawPipe, TextPipe, |
| DrawImagePipe |
| { |
| /* |
| * Different subclasses may override this to do various |
| * other forms of validation and return a return code |
| * indicating whether or not the validation was successful. |
| */ |
| public boolean validate(SunGraphics2D sg) { |
| sg.validatePipe(); |
| return true; |
| } |
| |
| public void drawLine(SunGraphics2D sg, |
| int x1, int y1, int x2, int y2) { |
| if (validate(sg)) { |
| sg.drawpipe.drawLine(sg, x1, y1, x2, y2); |
| } |
| } |
| |
| public void drawRect(SunGraphics2D sg, |
| int x, int y, int width, int height) { |
| if (validate(sg)) { |
| sg.drawpipe.drawRect(sg, x, y, width, height); |
| } |
| } |
| |
| public void fillRect(SunGraphics2D sg, |
| int x, int y, int width, int height) { |
| if (validate(sg)) { |
| sg.fillpipe.fillRect(sg, x, y, width, height); |
| } |
| } |
| |
| public void drawRoundRect(SunGraphics2D sg, |
| int x, int y, int width, int height, |
| int arcWidth, int arcHeight) { |
| if (validate(sg)) { |
| sg.drawpipe.drawRoundRect(sg, x, y, width, height, |
| arcWidth, arcHeight); |
| } |
| } |
| |
| public void fillRoundRect(SunGraphics2D sg, |
| int x, int y, int width, int height, |
| int arcWidth, int arcHeight) { |
| if (validate(sg)) { |
| sg.fillpipe.fillRoundRect(sg, x, y, width, height, |
| arcWidth, arcHeight); |
| } |
| } |
| |
| public void drawOval(SunGraphics2D sg, |
| int x, int y, int width, int height) { |
| if (validate(sg)) { |
| sg.drawpipe.drawOval(sg, x, y, width, height); |
| } |
| } |
| |
| public void fillOval(SunGraphics2D sg, |
| int x, int y, int width, int height) { |
| if (validate(sg)) { |
| sg.fillpipe.fillOval(sg, x, y, width, height); |
| } |
| } |
| |
| public void drawArc(SunGraphics2D sg, |
| int x, int y, int width, int height, |
| int startAngle, int arcAngle) { |
| if (validate(sg)) { |
| sg.drawpipe.drawArc(sg, x, y, width, height, startAngle, arcAngle); |
| } |
| } |
| |
| public void fillArc(SunGraphics2D sg, |
| int x, int y, int width, int height, |
| int startAngle, int arcAngle) { |
| if (validate(sg)) { |
| sg.fillpipe.fillArc(sg, x, y, width, height, startAngle, arcAngle); |
| } |
| } |
| |
| public void drawPolyline(SunGraphics2D sg, |
| int xPoints[], int yPoints[], |
| int nPoints) { |
| if (validate(sg)) { |
| sg.drawpipe.drawPolyline(sg, xPoints, yPoints, nPoints); |
| } |
| } |
| |
| public void drawPolygon(SunGraphics2D sg, |
| int xPoints[], int yPoints[], |
| int nPoints) { |
| if (validate(sg)) { |
| sg.drawpipe.drawPolygon(sg, xPoints, yPoints, nPoints); |
| } |
| } |
| |
| public void fillPolygon(SunGraphics2D sg, |
| int xPoints[], int yPoints[], |
| int nPoints) { |
| if (validate(sg)) { |
| sg.fillpipe.fillPolygon(sg, xPoints, yPoints, nPoints); |
| } |
| } |
| |
| public void draw(SunGraphics2D sg, Shape s) { |
| if (validate(sg)) { |
| sg.shapepipe.draw(sg, s); |
| } |
| } |
| |
| public void fill(SunGraphics2D sg, Shape s) { |
| if (validate(sg)) { |
| sg.shapepipe.fill(sg, s); |
| } |
| } |
| public void drawString(SunGraphics2D sg, String s, double x, double y) { |
| if (validate(sg)) { |
| sg.textpipe.drawString(sg, s, x, y); |
| } |
| } |
| public void drawGlyphVector(SunGraphics2D sg, GlyphVector g, |
| float x, float y) { |
| if (validate(sg)) { |
| sg.textpipe.drawGlyphVector(sg, g, x, y); |
| } |
| } |
| public void drawChars(SunGraphics2D sg, |
| char data[], int offset, int length, |
| int x, int y) { |
| if (validate(sg)) { |
| sg.textpipe.drawChars(sg, data, offset, length, x, y); |
| } |
| } |
| public boolean copyImage(SunGraphics2D sg, Image img, |
| int x, int y, |
| Color bgColor, |
| ImageObserver observer) { |
| if (validate(sg)) { |
| return sg.imagepipe.copyImage(sg, img, x, y, bgColor, observer); |
| } else { |
| return false; |
| } |
| } |
| public boolean copyImage(SunGraphics2D sg, Image img, |
| int dx, int dy, int sx, int sy, int w, int h, |
| Color bgColor, |
| ImageObserver observer) { |
| if (validate(sg)) { |
| return sg.imagepipe.copyImage(sg, img, dx, dy, sx, sy, w, h, |
| bgColor, observer); |
| } else { |
| return false; |
| } |
| } |
| public boolean scaleImage(SunGraphics2D sg, Image img, int x, int y, |
| int w, int h, |
| Color bgColor, |
| ImageObserver observer) { |
| if (validate(sg)) { |
| return sg.imagepipe.scaleImage(sg, img, x, y, w, h, bgColor, |
| observer); |
| } else { |
| return false; |
| } |
| } |
| public boolean scaleImage(SunGraphics2D sg, Image img, |
| int dx1, int dy1, int dx2, int dy2, |
| int sx1, int sy1, int sx2, int sy2, |
| Color bgColor, |
| ImageObserver observer) { |
| if (validate(sg)) { |
| return sg.imagepipe.scaleImage(sg, img, dx1, dy1, dx2, dy2, |
| sx1, sy1, sx2, sy2, bgColor, |
| observer); |
| } else { |
| return false; |
| } |
| } |
| public boolean transformImage(SunGraphics2D sg, Image img, |
| AffineTransform atfm, |
| ImageObserver observer) { |
| if (validate(sg)) { |
| return sg.imagepipe.transformImage(sg, img, atfm, observer); |
| } else { |
| return false; |
| } |
| } |
| public void transformImage(SunGraphics2D sg, BufferedImage img, |
| BufferedImageOp op, int x, int y) { |
| if (validate(sg)) { |
| sg.imagepipe.transformImage(sg, img, op, x, y); |
| } |
| } |
| } |
