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This is a backport of OpenJFX 8 to run on Java 7.
The newest version!
/*
* Copyright (c) 2012, 2013, 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 javafx.scene.layout;
import com.sun.javafx.css.StyleConverterImpl;
import com.sun.javafx.css.StyleManager;
import com.sun.javafx.scene.layout.region.RepeatStruct;
import java.util.Map;
import javafx.css.CssMetaData;
import javafx.css.ParsedValue;
import javafx.css.StyleConverter;
import javafx.css.Styleable;
import javafx.geometry.Insets;
import javafx.scene.image.Image;
import javafx.scene.paint.Paint;
/**
* Converts the CSS for -fx-background items into a Background.
*/
class BackgroundConverter extends StyleConverterImpl {
static final StyleConverter INSTANCE = new BackgroundConverter();
@Override public Background convert(Map,Object> convertedValues) {
final Paint[] fills = (Paint[]) convertedValues.get(Background.BACKGROUND_COLOR);
final String[] imageUrls = (String[]) convertedValues.get(Background.BACKGROUND_IMAGE);
final boolean hasFills = fills != null && fills.length > 0;
final boolean hasImages = imageUrls != null && imageUrls.length > 0;
// If there are neither background fills nor images, then there is nothing for us to construct.
if (!hasFills && !hasImages) return null;
// Iterate over all of the fills, and create BackgroundFill objects for each.
BackgroundFill[] backgroundFills = null;
if (hasFills) {
backgroundFills = new BackgroundFill[fills.length];
Object tmp = convertedValues.get(Background.BACKGROUND_INSETS);
final Insets[] insets = tmp == null ? new Insets[0] : (Insets[]) tmp;
tmp = convertedValues.get(Background.BACKGROUND_RADIUS);
final Insets[] radii = tmp == null ? new Insets[0] : (Insets[]) tmp;
final int lastInsetsIndex = insets.length - 1;
final int lastRadiiIndex = radii.length - 1;
for (int i=0; i 0 ? insets[i <= lastInsetsIndex ? i : lastInsetsIndex] : Insets.EMPTY;
CornerRadii ra = CornerRadii.EMPTY;
Insets rai = radii.length > 0 ? radii[i <= lastRadiiIndex ? i : lastRadiiIndex] : null;
if (rai != null && rai != Insets.EMPTY) {
double top = rai.getTop();
double right = rai.getRight();
double bottom = rai.getBottom();
double left = rai.getLeft();
// TODO need to write a unit test for cases where top, right, bottom, left are < 0
ra = new CornerRadii(
top < 0 ? 0 : top,
right < 0 ? 0 : right,
bottom < 0 ? 0 : bottom,
left < 0 ? 0 : left, false);
}
backgroundFills[i] = new BackgroundFill(fills[i], ra, in);
}
}
// Iterate over all of the image, and create BackgroundImage objects for each.
BackgroundImage[] backgroundImages = null;
if (hasImages) {
// TODO convert image urls into image objects!
backgroundImages = new BackgroundImage[imageUrls.length];
Object tmp = convertedValues.get(Background.BACKGROUND_REPEAT);
final RepeatStruct[] repeats = tmp == null ? new RepeatStruct[0] : (RepeatStruct[]) tmp;
tmp = convertedValues.get(Background.BACKGROUND_POSITION);
final BackgroundPosition[] positions = tmp == null ? new BackgroundPosition[0] : (BackgroundPosition[]) tmp;
tmp = convertedValues.get(Background.BACKGROUND_SIZE);
final BackgroundSize[] sizes = tmp == null ? new BackgroundSize[0] : (BackgroundSize[]) tmp;
final int lastRepeatIndex = repeats.length - 1;
final int lastPositionIndex = positions.length - 1;
final int lastSizeIndex = sizes.length - 1;
for (int i = 0; i < imageUrls.length; i++) {
// RT-21335: skip background and border images whose image url is null
if (imageUrls[i] == null) continue;
final Image image = StyleManager.getInstance().getCachedImage(imageUrls[i]);
final RepeatStruct repeat = (repeats.length > 0) ?
repeats[i <= lastRepeatIndex ? i : lastRepeatIndex] : null; // min
final BackgroundPosition position = (positions.length > 0) ?
positions[i <= lastPositionIndex ? i : lastPositionIndex] : null; // min
final BackgroundSize size = (sizes.length > 0) ?
sizes[i <= lastSizeIndex ? i : lastSizeIndex] : null; // min
backgroundImages[i] = new BackgroundImage(image,
repeat == null ? null : repeat.repeatX,
repeat == null ? null : repeat.repeatY,
position, size);
}
}
// Give the background fills and background images to a newly constructed BackgroundConverter,
// and return it.
return new Background(backgroundFills, backgroundImages);
}
}