| /* | |
| * Copyright (c) 1997, 2018, 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); | |
| } | |
| } | |
| } |