@NotNull
public static Icon colorize(@NotNull final Icon source, @NotNull Color color, boolean keepGray) {
float[] base = Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), null);
final BufferedImage image =
UIUtil.createImage(source.getIconWidth(), source.getIconHeight(), Transparency.TRANSLUCENT);
final Graphics2D g = image.createGraphics();
source.paintIcon(null, g, 0, 0);
g.dispose();
final BufferedImage img =
UIUtil.createImage(source.getIconWidth(), source.getIconHeight(), Transparency.TRANSLUCENT);
int[] rgba = new int[4];
float[] hsb = new float[3];
for (int y = 0; y < image.getRaster().getHeight(); y++) {
for (int x = 0; x < image.getRaster().getWidth(); x++) {
image.getRaster().getPixel(x, y, rgba);
if (rgba[3] != 0) {
Color.RGBtoHSB(rgba[0], rgba[1], rgba[2], hsb);
int rgb = Color.HSBtoRGB(base[0], base[1] * (keepGray ? hsb[1] : 1f), base[2] * hsb[2]);
img.getRaster()
.setPixel(x, y, new int[] {rgb >> 16 & 0xff, rgb >> 8 & 0xff, rgb & 0xff, rgba[3]});
}
}
}
return createImageIcon(img);
}
private static ImageIcon makeColorIconForColor(final Color color) {
final int size = UIUtil.isRetina() ? 8 : 16;
final int halfSize = size / 2;
final Image img = UIUtil.createImage(size, size, BufferedImage.TYPE_INT_RGB);
final Graphics gfx = img.getGraphics();
try {
if (color == null) {
gfx.setColor(IdeaUtils.isDarkTheme() ? Color.darkGray : Color.white);
gfx.fillRect(0, 0, size, size);
gfx.setColor(IdeaUtils.isDarkTheme() ? Color.yellow : Color.black);
gfx.drawRect(0, 0, size - 1, size - 1);
gfx.drawLine(0, 0, size - 1, size - 1);
} else if (color == DIFF_COLORS) {
gfx.setColor(Color.red);
gfx.fillRect(0, 0, halfSize, halfSize);
gfx.setColor(Color.green);
gfx.fillRect(halfSize, 0, halfSize, halfSize);
gfx.setColor(Color.blue);
gfx.fillRect(0, halfSize, halfSize, halfSize);
gfx.setColor(Color.yellow);
gfx.fillRect(halfSize, halfSize, halfSize, halfSize);
} else {
gfx.setColor(color);
gfx.fillRect(0, 0, size, size);
gfx.setColor(Color.black);
gfx.drawRect(0, 0, size - 1, size - 1);
}
} finally {
gfx.dispose();
}
return new ImageIcon(img);
}
@NotNull
public static Icon cropIcon(@NotNull Icon icon, int maxWidth, int maxHeight) {
if (icon.getIconHeight() <= maxHeight && icon.getIconWidth() <= maxWidth) {
return icon;
}
final int w = Math.min(icon.getIconWidth(), maxWidth);
final int h = Math.min(icon.getIconHeight(), maxHeight);
final BufferedImage image =
GraphicsEnvironment.getLocalGraphicsEnvironment()
.getDefaultScreenDevice()
.getDefaultConfiguration()
.createCompatibleImage(
icon.getIconWidth(), icon.getIconHeight(), Transparency.TRANSLUCENT);
final Graphics2D g = image.createGraphics();
icon.paintIcon(new JPanel(), g, 0, 0);
g.dispose();
final BufferedImage img = UIUtil.createImage(w, h, Transparency.TRANSLUCENT);
final int offX = icon.getIconWidth() > maxWidth ? (icon.getIconWidth() - maxWidth) / 2 : 0;
final int offY = icon.getIconHeight() > maxHeight ? (icon.getIconHeight() - maxHeight) / 2 : 0;
for (int col = 0; col < w; col++) {
for (int row = 0; row < h; row++) {
img.setRGB(col, row, image.getRGB(col + offX, row + offY));
}
}
return new ImageIcon(img);
}
private BufferedImage getAppImage() {
assertIsDispatchThread();
try {
if (myAppImage != null) return myAppImage;
Object app = getApp();
Image appImage = (Image) getAppMethod("getDockIconImage").invoke(app);
if (appImage == null) return null;
int width = appImage.getWidth(null);
int height = appImage.getHeight(null);
BufferedImage img = UIUtil.createImage(width, height, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = img.createGraphics();
g2d.drawImage(appImage, null, null);
myAppImage = img;
} catch (NoSuchMethodException e) {
return null;
} catch (Exception e) {
LOG.error(e);
}
return myAppImage;
}
private AppImage createAppImage() {
BufferedImage current =
UIUtil.createImage(
getAppImage().getWidth(), getAppImage().getHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics2D g = current.createGraphics();
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.drawImage(getAppImage(), null, null);
return new AppImage(current, g);
}
public static Image createImage(final JTable table, int column) {
final int height =
Math.max(20, Math.min(100, table.getSelectedRowCount() * table.getRowHeight()));
final int width = table.getColumnModel().getColumn(column).getWidth();
final BufferedImage image = UIUtil.createImage(width, height, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = (Graphics2D) image.getGraphics();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f));
drawSelection(table, column, g2, width);
return image;
}
public static Image createImage(final JTree tree) {
final TreeSelectionModel model = tree.getSelectionModel();
final TreePath[] paths = model.getSelectionPaths();
int count = 0;
final List<ChangesBrowserNode> nodes = new ArrayList<ChangesBrowserNode>();
for (final TreePath path : paths) {
final ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
if (!node.isLeaf()) {
nodes.add(node);
count += node.getCount();
}
}
for (TreePath path : paths) {
final ChangesBrowserNode element = (ChangesBrowserNode) path.getLastPathComponent();
boolean child = false;
for (final ChangesBrowserNode node : nodes) {
if (node.isNodeChild(element)) {
child = true;
break;
}
}
if (!child) {
if (element.isLeaf()) count++;
} else if (!element.isLeaf()) {
count -= element.getCount();
}
}
final JLabel label = new JLabel(VcsBundle.message("changes.view.dnd.label", count));
label.setOpaque(true);
label.setForeground(tree.getForeground());
label.setBackground(tree.getBackground());
label.setFont(tree.getFont());
label.setSize(label.getPreferredSize());
final BufferedImage image =
UIUtil.createImage(label.getWidth(), label.getHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = (Graphics2D) image.getGraphics();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f));
label.paint(g2);
g2.dispose();
return image;
}
@Override
public void _setTextBadge(IdeFrame frame, String text) {
if (!isValid(frame)) {
return;
}
Object icon = null;
if (text != null) {
try {
int size = 55;
BufferedImage image = UIUtil.createImage(size, size, BufferedImage.TYPE_INT_ARGB);
Graphics2D g = image.createGraphics();
int roundSize = 40;
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setPaint(ERROR_COLOR);
g.fillRoundRect(
size / 2 - roundSize / 2, size / 2 - roundSize / 2, roundSize, roundSize, size, size);
g.setColor(Color.white);
Font font = g.getFont();
g.setFont(new Font(font.getName(), font.getStyle(), 22));
FontMetrics fontMetrics = g.getFontMetrics();
int width = fontMetrics.stringWidth(text);
g.drawString(
text,
size / 2 - width / 2,
size / 2 - fontMetrics.getHeight() / 2 + fontMetrics.getAscent());
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
Sanselan.writeImage(image, bytes, ImageFormat.IMAGE_FORMAT_ICO, new HashMap());
icon = Win7TaskBar.createIcon(bytes.toByteArray());
} catch (Throwable e) {
LOG.error(e);
}
}
try {
Win7TaskBar.setOverlayIcon(frame, icon, icon != null);
} catch (Throwable e) {
LOG.error(e);
}
}
private void parseProblemGlyphs() {
myCheckedForProblemGlyphs = true;
BufferedImage buffer = UIUtil.createImage(20, 20, BufferedImage.TYPE_INT_RGB);
final Graphics graphics = buffer.getGraphics();
if (!(graphics instanceof Graphics2D)) {
return;
}
final FontRenderContext context = ((Graphics2D) graphics).getFontRenderContext();
char[] charBuffer = new char[1];
for (char c = 0; c < 128; c++) {
if (!myFont.canDisplay(c)) {
continue;
}
charBuffer[0] = c;
final GlyphVector vector = myFont.createGlyphVector(context, charBuffer);
final float y = vector.getGlyphMetrics(0).getAdvanceY();
if (Math.round(y) != 0) {
mySymbolsToBreakDrawingIteration.add(c);
}
}
myHasGlyphsToBreakDrawingIteration = !mySymbolsToBreakDrawingIteration.isEmpty();
}
@Override
public Pair<Image, Point> createDraggedImage(DnDAction action, Point dragOrigin) {
final TreePath[] paths = getSelectionPaths();
if (paths == null) return null;
final int count = paths.length;
final JLabel label = new JLabel(String.format("%s item%s", count, count == 1 ? "" : "s"));
label.setOpaque(true);
label.setForeground(myTree.getForeground());
label.setBackground(myTree.getBackground());
label.setFont(myTree.getFont());
label.setSize(label.getPreferredSize());
final BufferedImage image =
UIUtil.createImage(label.getWidth(), label.getHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = (Graphics2D) image.getGraphics();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f));
label.paint(g2);
g2.dispose();
return new Pair<Image, Point>(
image, new Point(-image.getWidth(null), -image.getHeight(null)));
}
public static Graphics2D createReferenceGraphics() {
Graphics2D graphics =
(Graphics2D) UIUtil.createImage(1, 1, BufferedImage.TYPE_INT_RGB).getGraphics();
EditorUIUtil.setupAntialiasing(graphics);
return graphics;
}
@Nullable
private Point createToolTipImage(@NotNull KeyType key) {
UIUtil.putClientProperty(myComponent, EXPANDED_RENDERER, true);
Pair<Component, Rectangle> rendererAndBounds = getCellRendererAndBounds(key);
UIUtil.putClientProperty(myComponent, EXPANDED_RENDERER, null);
if (rendererAndBounds == null) return null;
JComponent renderer = ObjectUtils.tryCast(rendererAndBounds.first, JComponent.class);
if (renderer == null) return null;
if (renderer.getClientProperty(DISABLE_EXPANDABLE_HANDLER) != null) return null;
if (UIUtil.getClientProperty((JComponent) rendererAndBounds.getFirst(), USE_RENDERER_BOUNDS)
== Boolean.TRUE) {
rendererAndBounds.getSecond().translate(renderer.getX(), renderer.getY());
rendererAndBounds.getSecond().setSize(renderer.getSize());
}
myKeyItemBounds = rendererAndBounds.second;
Rectangle cellBounds = myKeyItemBounds;
Rectangle visibleRect = getVisibleRect(key);
if (cellBounds.y < visibleRect.y) return null;
int cellMaxY = cellBounds.y + cellBounds.height;
int visMaxY = visibleRect.y + visibleRect.height;
if (cellMaxY > visMaxY) return null;
int cellMaxX = cellBounds.x + cellBounds.width;
int visMaxX = visibleRect.x + visibleRect.width;
Point location = new Point(visMaxX, cellBounds.y);
SwingUtilities.convertPointToScreen(location, myComponent);
Rectangle screen =
!Registry.is("ide.expansion.hints.on.all.screens")
? ScreenUtil.getScreenRectangle(location)
: ScreenUtil.getAllScreensRectangle();
int borderWidth = isPaintBorder() ? 1 : 0;
int width = Math.min(screen.width + screen.x - location.x - borderWidth, cellMaxX - visMaxX);
int height = cellBounds.height;
if (width <= 0 || height <= 0) return null;
Dimension size = getImageSize(width, height);
myImage = UIUtil.createImage(size.width, size.height, BufferedImage.TYPE_INT_RGB);
Graphics2D g = myImage.createGraphics();
g.setClip(null);
doFillBackground(height, width, g);
g.translate(cellBounds.x - visMaxX, 0);
doPaintTooltipImage(renderer, cellBounds, g, key);
CustomLineBorder border = null;
if (borderWidth > 0) {
border = new CustomLineBorder(getBorderColor(), borderWidth, 0, borderWidth, borderWidth);
location.y -= borderWidth;
size.width += borderWidth;
size.height += borderWidth + borderWidth;
}
g.dispose();
myRendererPane.remove(renderer);
myTipComponent.setBorder(border);
myTipComponent.setPreferredSize(size);
return location;
}
@NotNull
@SuppressWarnings("UseJBColor")
protected Dialog getOrCreatePickerDialog() {
Dialog pickerDialog = getPickerDialog();
if (pickerDialog == null) {
pickerDialog = super.getOrCreatePickerDialog();
pickerDialog.addMouseListener(
new MouseAdapter() {
@Override
public void mouseExited(MouseEvent event) {
updatePipette();
}
});
pickerDialog.addMouseMotionListener(
new MouseAdapter() {
@Override
public void mouseMoved(MouseEvent e) {
updatePipette();
}
});
pickerDialog.addFocusListener(
new FocusAdapter() {
@Override
public void focusLost(FocusEvent e) {
if (e.isTemporary()) {
pickAndClose();
} else {
cancelPipette();
}
}
});
pickerDialog.setSize(DIALOG_SIZE, DIALOG_SIZE);
myMaskImage = UIUtil.createImage(SIZE, SIZE, BufferedImage.TYPE_INT_ARGB);
Graphics2D maskG = myMaskImage.createGraphics();
maskG.setColor(Color.BLUE);
maskG.fillRect(0, 0, SIZE, SIZE);
maskG.setColor(Color.RED);
maskG.setComposite(AlphaComposite.SrcOut);
maskG.fillRect(0, 0, SIZE, SIZE);
maskG.dispose();
myPipetteImage =
UIUtil.createImage(
AllIcons.Ide.Pipette.getIconWidth(),
AllIcons.Ide.Pipette.getIconHeight(),
BufferedImage.TYPE_INT_ARGB);
Graphics2D graphics = myPipetteImage.createGraphics();
//noinspection ConstantConditions
AllIcons.Ide.Pipette.paintIcon(null, graphics, 0, 0);
graphics.dispose();
myImage =
myParent
.getGraphicsConfiguration()
.createCompatibleImage(SIZE, SIZE, Transparency.TRANSLUCENT);
myGraphics = (Graphics2D) myImage.getGraphics();
myGraphics.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR);
}
return pickerDialog;
}
public final class IconLoader {
private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.util.IconLoader");
public static boolean STRICT = false;
private static boolean USE_DARK_ICONS = UIUtil.isUnderDarcula();
private static float SCALE = JBUI.scale(1f);
private static ImageFilter IMAGE_FILTER;
@SuppressWarnings("MismatchedQueryAndUpdateOfCollection")
private static final ConcurrentMap<URL, CachedImageIcon> ourIconsCache =
ContainerUtil.newConcurrentMap(100, 0.9f, 2);
/** This cache contains mapping between icons and disabled icons. */
private static final Map<Icon, Icon> ourIcon2DisabledIcon = new WeakHashMap<Icon, Icon>(200);
@NonNls
private static final Map<String, String> ourDeprecatedIconsReplacements =
new HashMap<String, String>();
static {
ourDeprecatedIconsReplacements.put(
"/general/toolWindowDebugger.png", "AllIcons.Toolwindows.ToolWindowDebugger");
ourDeprecatedIconsReplacements.put(
"/general/toolWindowChanges.png", "AllIcons.Toolwindows.ToolWindowChanges");
ourDeprecatedIconsReplacements.put(
"/actions/showSettings.png", "AllIcons.General.ProjectSettings");
ourDeprecatedIconsReplacements.put("/general/ideOptions.png", "AllIcons.General.Settings");
ourDeprecatedIconsReplacements.put(
"/general/applicationSettings.png", "AllIcons.General.Settings");
ourDeprecatedIconsReplacements.put("/toolbarDecorator/add.png", "AllIcons.General.Add");
ourDeprecatedIconsReplacements.put("/vcs/customizeView.png", "AllIcons.General.Settings");
ourDeprecatedIconsReplacements.put("/vcs/refresh.png", "AllIcons.Actions.Refresh");
ourDeprecatedIconsReplacements.put("/actions/sync.png", "AllIcons.Actions.Refresh");
ourDeprecatedIconsReplacements.put("/actions/refreshUsages.png", "AllIcons.Actions.Rerun");
ourDeprecatedIconsReplacements.put("/compiler/error.png", "AllIcons.General.Error");
ourDeprecatedIconsReplacements.put(
"/compiler/hideWarnings.png", "AllIcons.General.HideWarnings");
ourDeprecatedIconsReplacements.put("/compiler/information.png", "AllIcons.General.Information");
ourDeprecatedIconsReplacements.put("/compiler/warning.png", "AllIcons.General.Warning");
ourDeprecatedIconsReplacements.put("/ide/errorSign.png", "AllIcons.General.Error");
ourDeprecatedIconsReplacements.put("/ant/filter.png", "AllIcons.General.Filter");
ourDeprecatedIconsReplacements.put("/inspector/useFilter.png", "AllIcons.General.Filter");
ourDeprecatedIconsReplacements.put("/actions/showSource.png", "AllIcons.Actions.Preview");
ourDeprecatedIconsReplacements.put(
"/actions/consoleHistory.png", "AllIcons.General.MessageHistory");
ourDeprecatedIconsReplacements.put(
"/vcs/messageHistory.png", "AllIcons.General.MessageHistory");
}
private static final ImageIcon EMPTY_ICON =
new ImageIcon(UIUtil.createImage(1, 1, BufferedImage.TYPE_3BYTE_BGR)) {
@NonNls
public String toString() {
return "Empty icon " + super.toString();
}
};
private static boolean ourIsActivated = false;
private IconLoader() {}
@Deprecated
public static Icon getIcon(@NotNull final Image image) {
return new JBImageIcon(image);
}
public static void setUseDarkIcons(boolean useDarkIcons) {
USE_DARK_ICONS = useDarkIcons;
clearCache();
}
public static void setScale(float scale) {
if (scale != SCALE) {
SCALE = scale;
clearCache();
}
}
public static void setFilter(ImageFilter filter) {
if (!Registry.is("color.blindness.icon.filter")) {
filter = null;
}
if (IMAGE_FILTER != filter) {
IMAGE_FILTER = filter;
clearCache();
}
}
private static void clearCache() {
ourIconsCache.clear();
ourIcon2DisabledIcon.clear();
}
// TODO[kb] support iconsets
// public static Icon getIcon(@NotNull final String path, @NotNull final String darkVariantPath) {
// return new InvariantIcon(getIcon(path), getIcon(darkVariantPath));
// }
@NotNull
public static Icon getIcon(@NonNls @NotNull final String path) {
Class callerClass = ReflectionUtil.getGrandCallerClass();
assert callerClass != null : path;
return getIcon(path, callerClass);
}
@Nullable
private static Icon getReflectiveIcon(@NotNull String path, ClassLoader classLoader) {
try {
@NonNls String pckg = path.startsWith("AllIcons.") ? "com.intellij.icons." : "icons.";
Class cur =
Class.forName(
pckg + path.substring(0, path.lastIndexOf('.')).replace('.', '$'), true, classLoader);
Field field = cur.getField(path.substring(path.lastIndexOf('.') + 1));
return (Icon) field.get(null);
} catch (Exception e) {
return null;
}
}
@Nullable
/**
* Might return null if icon was not found. Use only if you expected null return value, otherwise
* see {@link IconLoader#getIcon(java.lang.String)}
*/
public static Icon findIcon(@NonNls @NotNull String path) {
Class callerClass = ReflectionUtil.getGrandCallerClass();
if (callerClass == null) return null;
return findIcon(path, callerClass);
}
@NotNull
public static Icon getIcon(@NotNull String path, @NotNull final Class aClass) {
final Icon icon = findIcon(path, aClass);
if (icon == null) {
LOG.error("Icon cannot be found in '" + path + "', aClass='" + aClass + "'");
}
return icon;
}
public static void activate() {
ourIsActivated = true;
}
private static boolean isLoaderDisabled() {
return !ourIsActivated;
}
/**
* Might return null if icon was not found. Use only if you expected null return value, otherwise
* see {@link IconLoader#getIcon(java.lang.String, java.lang.Class)}
*/
@Nullable
public static Icon findIcon(@NotNull final String path, @NotNull final Class aClass) {
return findIcon(path, aClass, false);
}
@Nullable
public static Icon findIcon(
@NotNull String path, @NotNull final Class aClass, boolean computeNow) {
path = undeprecate(path);
if (isReflectivePath(path)) return getReflectiveIcon(path, aClass.getClassLoader());
URL myURL = aClass.getResource(path);
if (myURL == null) {
if (STRICT) throw new RuntimeException("Can't find icon in '" + path + "' near " + aClass);
return null;
}
return findIcon(myURL);
}
@NotNull
private static String undeprecate(@NotNull String path) {
String replacement = ourDeprecatedIconsReplacements.get(path);
return replacement == null ? path : replacement;
}
private static boolean isReflectivePath(@NotNull String path) {
List<String> paths = StringUtil.split(path, ".");
return paths.size() > 1 && paths.get(0).endsWith("Icons");
}
@Nullable
public static Icon findIcon(URL url) {
return findIcon(url, true);
}
@Nullable
public static Icon findIcon(URL url, boolean useCache) {
if (url == null) {
return null;
}
CachedImageIcon icon = ourIconsCache.get(url);
if (icon == null) {
icon = new CachedImageIcon(url);
if (useCache) {
icon = ConcurrencyUtil.cacheOrGet(ourIconsCache, url, icon);
}
}
return icon;
}
@Nullable
public static Icon findIcon(@NotNull String path, @NotNull ClassLoader classLoader) {
path = undeprecate(path);
if (isReflectivePath(path)) return getReflectiveIcon(path, classLoader);
if (!StringUtil.startsWithChar(path, '/')) return null;
final URL url = classLoader.getResource(path.substring(1));
return findIcon(url);
}
@Nullable
private static Icon checkIcon(final Image image, @NotNull URL url) {
if (image == null
|| image.getHeight(LabelHolder.ourFakeComponent) < 1) { // image wasn't loaded or broken
return null;
}
final Icon icon = getIcon(image);
if (icon != null && !isGoodSize(icon)) {
LOG.error("Invalid icon: " + url); // # 22481
return EMPTY_ICON;
}
return icon;
}
public static boolean isGoodSize(@NotNull final Icon icon) {
return icon.getIconWidth() > 0 && icon.getIconHeight() > 0;
}
/**
* Gets (creates if necessary) disabled icon based on the passed one.
*
* @return <code>ImageIcon</code> constructed from disabled image of passed icon.
*/
@Nullable
public static Icon getDisabledIcon(Icon icon) {
if (icon instanceof LazyIcon) icon = ((LazyIcon) icon).getOrComputeIcon();
if (icon == null) return null;
Icon disabledIcon = ourIcon2DisabledIcon.get(icon);
if (disabledIcon == null) {
if (!isGoodSize(icon)) {
LOG.error(icon); // # 22481
return EMPTY_ICON;
}
final int scale = UIUtil.isRetina() ? 2 : 1;
@SuppressWarnings("UndesirableClassUsage")
BufferedImage image =
new BufferedImage(
scale * icon.getIconWidth(),
scale * icon.getIconHeight(),
BufferedImage.TYPE_INT_ARGB);
final Graphics2D graphics = image.createGraphics();
graphics.setColor(UIUtil.TRANSPARENT_COLOR);
graphics.fillRect(0, 0, icon.getIconWidth(), icon.getIconHeight());
graphics.scale(scale, scale);
icon.paintIcon(LabelHolder.ourFakeComponent, graphics, 0, 0);
graphics.dispose();
Image img = ImageUtil.filter(image, UIUtil.getGrayFilter());
if (UIUtil.isRetina()) img = RetinaImage.createFrom(img, 2, ImageLoader.ourComponent);
disabledIcon = new JBImageIcon(img);
ourIcon2DisabledIcon.put(icon, disabledIcon);
}
return disabledIcon;
}
public static Icon getTransparentIcon(@NotNull final Icon icon) {
return getTransparentIcon(icon, 0.5f);
}
public static Icon getTransparentIcon(@NotNull final Icon icon, final float alpha) {
return new Icon() {
@Override
public int getIconHeight() {
return icon.getIconHeight();
}
@Override
public int getIconWidth() {
return icon.getIconWidth();
}
@Override
public void paintIcon(final Component c, final Graphics g, final int x, final int y) {
final Graphics2D g2 = (Graphics2D) g;
final Composite saveComposite = g2.getComposite();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha));
icon.paintIcon(c, g2, x, y);
g2.setComposite(saveComposite);
}
};
}
private static final class CachedImageIcon implements ScalableIcon {
private Object myRealIcon;
@NotNull private final URL myUrl;
private boolean dark;
private float scale;
private ImageFilter filter;
private HashMap<Float, Icon> scaledIcons;
public CachedImageIcon(@NotNull URL url) {
myUrl = url;
dark = USE_DARK_ICONS;
scale = SCALE;
filter = IMAGE_FILTER;
}
@NotNull
private synchronized Icon getRealIcon() {
if (isLoaderDisabled()
&& (myRealIcon == null
|| dark != USE_DARK_ICONS
|| scale != SCALE
|| filter != IMAGE_FILTER)) return EMPTY_ICON;
if (dark != USE_DARK_ICONS || scale != SCALE || filter != IMAGE_FILTER) {
myRealIcon = null;
dark = USE_DARK_ICONS;
scale = SCALE;
filter = IMAGE_FILTER;
}
Object realIcon = myRealIcon;
if (realIcon instanceof Icon) return (Icon) realIcon;
Icon icon;
if (realIcon instanceof Reference) {
icon = ((Reference<Icon>) realIcon).get();
if (icon != null) return icon;
}
Image image = ImageLoader.loadFromUrl(myUrl, true, filter);
icon = checkIcon(image, myUrl);
if (icon != null) {
if (icon.getIconWidth() < 50 && icon.getIconHeight() < 50) {
realIcon = icon;
} else {
realIcon = new SoftReference<Icon>(icon);
}
myRealIcon = realIcon;
}
return icon == null ? EMPTY_ICON : icon;
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
getRealIcon().paintIcon(c, g, x, y);
}
@Override
public int getIconWidth() {
return getRealIcon().getIconWidth();
}
@Override
public int getIconHeight() {
return getRealIcon().getIconHeight();
}
@Override
public String toString() {
return myUrl.toString();
}
@Override
public Icon scale(float scaleFactor) {
if (scaleFactor == 1f) {
return this;
}
if (scaledIcons == null) {
scaledIcons = new HashMap<Float, Icon>(1);
}
Icon result = scaledIcons.get(scaleFactor);
if (result != null) {
return result;
}
final Image image =
ImageLoader.loadFromUrl(myUrl, UIUtil.isUnderDarcula(), scaleFactor >= 1.5f, filter);
if (image != null) {
int width = (int) (getIconWidth() * scaleFactor);
int height = (int) (getIconHeight() * scaleFactor);
final BufferedImage resizedImage =
Scalr.resize(
ImageUtil.toBufferedImage(image), Scalr.Method.ULTRA_QUALITY, width, height);
result = getIcon(resizedImage);
scaledIcons.put(scaleFactor, result);
return result;
}
return this;
}
}
public abstract static class LazyIcon implements Icon {
private boolean myWasComputed;
private Icon myIcon;
private boolean isDarkVariant = USE_DARK_ICONS;
private float scale = SCALE;
private ImageFilter filter = IMAGE_FILTER;
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
final Icon icon = getOrComputeIcon();
if (icon != null) {
icon.paintIcon(c, g, x, y);
}
}
@Override
public int getIconWidth() {
final Icon icon = getOrComputeIcon();
return icon != null ? icon.getIconWidth() : 0;
}
@Override
public int getIconHeight() {
final Icon icon = getOrComputeIcon();
return icon != null ? icon.getIconHeight() : 0;
}
protected final synchronized Icon getOrComputeIcon() {
if (!myWasComputed
|| isDarkVariant != USE_DARK_ICONS
|| scale != SCALE
|| filter != IMAGE_FILTER) {
isDarkVariant = USE_DARK_ICONS;
scale = SCALE;
filter = IMAGE_FILTER;
myWasComputed = true;
myIcon = compute();
}
return myIcon;
}
public final void load() {
getIconWidth();
}
protected abstract Icon compute();
}
private static class LabelHolder {
/**
* To get disabled icon with paint it into the image. Some icons require not null component to
* paint.
*/
private static final JComponent ourFakeComponent = new JLabel();
}
}
