/*
* 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.
*
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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);
}
}
}