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beard%netscape.com 1999-08-03 02:23:48 +00:00
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/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*
PrintingPort.java
Wraps a Quickdraw printing port and provides a way to image on it
with a java.awt.Graphics object.
by Patrick C. Beard.
*/
package com.apple.mrj.internal.awt;
import com.apple.mrj.macos.generated.RectStruct;
import com.apple.mrj.macos.generated.QuickdrawFunctions;
import java.awt.*;
public class PrintingPort implements GraphicsHost {
private int mPrintingPort;
private int mOriginX;
private int mOriginY;
private PortManager mPortManager;
private QDPipeline mPipeline;
private Rectangle mClipping;
public PrintingPort(int printingPort, int originX, int originY) {
mPrintingPort = printingPort;
mOriginX = originX;
mOriginY = originY;
mPortManager = new PortManager(printingPort, 0, 0, PortManager.kPrinting, 0);
mPipeline = new QDPipeline();
mPortManager.setPipeline(mPipeline);
}
public void dispose() {
// dispose of port manager flushes the pipeline.
if (mPortManager != null) {
mPortManager.dispose();
mPortManager = null;
}
if (mPipeline != null) {
mPipeline.dispose();
mPipeline = null;
}
}
/**
* Creates a graphics object that wraps the specified printing port.
* Assumes that the underlying port's coordinate system is already
* set up to have (0, 0) as the upper left corner.
*/
public Graphics getGraphics(Component component) {
mClipping = component.getBounds();
mClipping.x = mOriginX; mClipping.y = mOriginY;
QDGraphics graphics = new QDPrintGraphics();
graphics.initialize(mPrintingPort, this, mPortManager,
mOriginX, mOriginY, mClipping, component.getForeground(),
component.getFont());
return graphics;
}
/** methods to satisfy GraphicsHost interface. */
public void graphicsCreated(QDGraphics g) throws OutOfMemoryError {}
private static final short MAXSHORT = 32767, MINSHORT = -32768;
static short pinToShort(int value) {
if (value > MAXSHORT)
return MAXSHORT;
else if (value < MINSHORT)
return MINSHORT;
return (short) value;
}
public void graphicsDisposed(QDGraphics g) {
synchronized (VToolkit.LOCK) {
// restore the origin so that printing comes out in correct location.
// this fixes a bug in QDGraphics, which uses SetOrigin so native components
// come out in the right location, but causes the commands in the pipeline
// to come out in the wrong location.
int port = VAWTDirect.FastGetThePort();
if (port != mPrintingPort)
QuickdrawFunctions.SetPort(mPrintingPort);
// restore original orgin.
QuickdrawFunctions.SetOrigin((short)0, (short)0);
// set up correct clipping.
QDRectStruct clipRect = new QDRectStruct();
clipRect.Set(pinToShort(mClipping.x), pinToShort(mClipping.y),
pinToShort(mClipping.x + mClipping.width), pinToShort(mClipping.y + mClipping.width));
QuickdrawFunctions.ClipRect(clipRect);
if (port != mPrintingPort)
QuickdrawFunctions.SetPort(port);
}
}
public RGBColorValue getBackgroundRGB() { return new RGBColorValue(Color.white); }
public void repaint(com.apple.mrj.macos.generated.RectStruct r) {}
public boolean markInUse() { return (mPortManager != null); }
public void doneUsingIt() {}
}