/**
* 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;
}
@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);
}
}
@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;
}
}
}