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Diffstat (limited to 'examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/ContainerFigure.java')
-rwxr-xr-x | examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/ContainerFigure.java | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/ContainerFigure.java b/examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/ContainerFigure.java deleted file mode 100755 index 135067cf4b..0000000000 --- a/examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/ContainerFigure.java +++ /dev/null @@ -1,93 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2003 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.examples.paint; - - -import org.eclipse.swt.graphics.*; - -/** - * Container for Figure objects with stacking preview mechanism. - */ -public class ContainerFigure extends Figure { - private static final int INITIAL_ARRAY_SIZE = 16; - - Figure[] objectStack = null; - int nextIndex = 0; - - /** - * Constructs an empty Container - */ - public ContainerFigure() { - } - /** - * Adds an object to the container for later drawing. - * - * @param object the object to add to the drawing list - */ - public void add(Figure object) { - if (objectStack == null) { - objectStack = new Figure[INITIAL_ARRAY_SIZE]; - } else if (objectStack.length <= nextIndex) { - Figure[] newObjectStack = new Figure[objectStack.length * 2]; - System.arraycopy(objectStack, 0, newObjectStack, 0, objectStack.length); - objectStack = newObjectStack; - } - objectStack[nextIndex] = object; - ++nextIndex; - } - /** - * Determines if the container is empty. - * @return true if the container is empty - */ - public boolean isEmpty() { - return nextIndex == 0; - } - /** - * Adds an object to the container and draws its preview then updates the supplied preview state. - * - * @param object the object to add to the drawing list - * @param gc the GC to draw on - * @param offset the offset to add to virtual coordinates to get display coordinates - * @param rememberedState the state returned by a previous drawPreview() or addAndPreview() - * using this Container, may be null if there was no such previous call - * @return object state that must be passed to erasePreview() later to erase this object - */ -// public Object addAndPreview(Figure object, GC gc, Point offset, Object rememberedState) { -// Object[] stateStack = (Object[]) rememberedState; -// if (stateStack == null) { -// stateStack = new Object[INITIAL_ARRAY_SIZE]; -// } else if (stateStack.length <= nextIndex) { -// Object[] newStateStack = new Object[stateStack.length * 2]; -// System.arraycopy(stateStack, 0, newStateStack, 0, stateStack.length); -// stateStack = newStateStack; -// } -// add(object); -// stateStack[nextIndex - 1] = object.drawPreview(gc, offset); -// return stateStack; -// } - /** - * Clears the container. - * <p> - * Note that erasePreview() cannot be called after this point to erase any previous - * drawPreview()'s. - * </p> - */ - public void clear() { - while (--nextIndex > 0) objectStack[nextIndex] = null; - nextIndex = 0; - } - public void draw(FigureDrawContext fdc) { - for (int i = 0; i < nextIndex; ++i) objectStack[i].draw(fdc); - } - public void addDamagedRegion(FigureDrawContext fdc, Region region) { - for (int i = 0; i < nextIndex; ++i) objectStack[i].addDamagedRegion(fdc, region); - } -} |