/*
* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
*
*
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*
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*/
package javax.swing.plaf.nimbus;
import javax.swing.Painter;
import sun.swing.plaf.synth.SynthIcon;
import javax.swing.plaf.synth.SynthContext;
import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;
import javax.swing.plaf.UIResource;
/**
* An icon that delegates to a painter.
* @author rbair
*/
class NimbusIcon extends SynthIcon {
private int width;
private int height;
private String prefix;
private String key;
NimbusIcon(String prefix, String key, int w, int h) {
this.width = w;
this.height = h;
this.prefix = prefix;
this.key = key;
}
@Override
public void paintIcon(SynthContext context, Graphics g, int x, int y,
int w, int h) {
Painter painter = null;
if (context != null) {
painter = (Painter)context.getStyle().get(context, key);
}
if (painter == null){
painter = (Painter) UIManager.get(prefix + "[Enabled]." + key);
}
if (painter != null && context != null) {
JComponent c = context.getComponent();
boolean rotate = false;
boolean flip = false;
//translatex and translatey are additional translations that
//must occur on the graphics context when rendering a toolbar
//icon
int translatex = 0;
int translatey = 0;
if (c instanceof JToolBar) {
JToolBar toolbar = (JToolBar)c;
rotate = toolbar.getOrientation() == JToolBar.VERTICAL;
flip = !toolbar.getComponentOrientation().isLeftToRight();
Object o = NimbusLookAndFeel.resolveToolbarConstraint(toolbar);
//we only do the +1 hack for UIResource borders, assuming
//that the border is probably going to be our border
if (toolbar.getBorder() instanceof UIResource) {
if (o == BorderLayout.SOUTH) {
translatey = 1;
} else if (o == BorderLayout.EAST) {
translatex = 1;
}
}
} else if (c instanceof JMenu) {
flip = ! c.getComponentOrientation().isLeftToRight();
}
if (g instanceof Graphics2D){
Graphics2D gfx = (Graphics2D)g;
gfx.translate(x, y);
gfx.translate(translatex, translatey);
if (rotate) {
gfx.rotate(Math.toRadians(90));
gfx.translate(0, -w);
painter.paint(gfx, context.getComponent(), h, w);
gfx.translate(0, w);
gfx.rotate(Math.toRadians(-90));
} else if (flip){
gfx.scale(-1, 1);
gfx.translate(-w,0);
painter.paint(gfx, context.getComponent(), w, h);
gfx.translate(w,0);
gfx.scale(-1, 1);
} else {
painter.paint(gfx, context.getComponent(), w, h);
}
gfx.translate(-translatex, -translatey);
gfx.translate(-x, -y);
} else {
// use image if we are printing to a Java 1.1 PrintGraphics as
// it is not a instance of Graphics2D
BufferedImage img = new BufferedImage(w,h,
BufferedImage.TYPE_INT_ARGB);
Graphics2D gfx = img.createGraphics();
if (rotate) {
gfx.rotate(Math.toRadians(90));
gfx.translate(0, -w);
painter.paint(gfx, context.getComponent(), h, w);
} else if (flip){
gfx.scale(-1, 1);
gfx.translate(-w,0);
painter.paint(gfx, context.getComponent(), w, h);
} else {
painter.paint(gfx, context.getComponent(), w, h);
}
gfx.dispose();
g.drawImage(img,x,y,null);
img = null;
}
}
}
/**
* Implements the standard Icon interface's paintIcon method as the standard
* synth stub passes null for the context and this will cause us to not
* paint any thing, so we override here so that we can paint the enabled
* state if no synth context is available
*/
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
Painter painter = (Painter)UIManager.get(prefix + "[Enabled]." + key);
if (painter != null){
JComponent jc = (c instanceof JComponent) ? (JComponent)c : null;
Graphics2D gfx = (Graphics2D)g;
gfx.translate(x, y);
painter.paint(gfx, jc , width, height);
gfx.translate(-x, -y);
}
}
@Override
public int getIconWidth(SynthContext context) {
if (context == null) {
return width;
}
JComponent c = context.getComponent();
if (c instanceof JToolBar && ((JToolBar)c).getOrientation() == JToolBar.VERTICAL) {
//we only do the -1 hack for UIResource borders, assuming
//that the border is probably going to be our border
if (c.getBorder() instanceof UIResource) {
return c.getWidth() - 1;
} else {
return c.getWidth();
}
} else {
return scale(context, width);
}
}
@Override
public int getIconHeight(SynthContext context) {
if (context == null) {
return height;
}
JComponent c = context.getComponent();
if (c instanceof JToolBar){
JToolBar toolbar = (JToolBar)c;
if (toolbar.getOrientation() == JToolBar.HORIZONTAL) {
//we only do the -1 hack for UIResource borders, assuming
//that the border is probably going to be our border
if (toolbar.getBorder() instanceof UIResource) {
return c.getHeight() - 1;
} else {
return c.getHeight();
}
} else {
return scale(context, width);
}
} else {
return scale(context, height);
}
}
/**
* Scale a size based on the "JComponent.sizeVariant" client property of the
* component that is using this icon
*
* @param context The synthContext to get the component from
* @param size The size to scale
* @return The scaled size or original if "JComponent.sizeVariant" is not
* set
*/
private int scale(SynthContext context, int size) {
if (context == null || context.getComponent() == null){
return size;
}
// The key "JComponent.sizeVariant" is used to match Apple's LAF
String scaleKey = (String) context.getComponent().getClientProperty(
"JComponent.sizeVariant");
if (scaleKey != null) {
if (NimbusStyle.LARGE_KEY.equals(scaleKey)) {
size *= NimbusStyle.LARGE_SCALE;
} else if (NimbusStyle.SMALL_KEY.equals(scaleKey)) {
size *= NimbusStyle.SMALL_SCALE;
} else if (NimbusStyle.MINI_KEY.equals(scaleKey)) {
// mini is not quite as small for icons as full mini is
// just too tiny
size *= NimbusStyle.MINI_SCALE + 0.07;
}
}
return size;
}
}