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IconUtil.colorize() for icons

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Vassiliy.Kudryashov
2015-01-29 15:11:49 +03:00
parent 51b3dbc8c5
commit 70f0367989
1 changed files with 38 additions and 0 deletions
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platform/core-api/src/com/intellij/util/IconUtil.java
+38
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@@ -32,6 +32,7 @@ import com.intellij.ui.IconDeferrer;
import com.intellij.ui.LayeredIcon;
import com.intellij.ui.RowIcon;
import com.intellij.util.ui.EmptyIcon;
import com.intellij.util.ui.JBImageIcon;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
@@ -406,4 +407,41 @@ public class IconUtil {
};
}
@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.getHeight(); y++) {
for (int x = 0; x < image.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 new JBImageIcon(img) {
@Override
public int getIconWidth() {
return getImage() instanceof JBHiDPIScaledImage ? super.getIconWidth() / 2 : super.getIconWidth();
}
@Override
public int getIconHeight() {
return getImage() instanceof JBHiDPIScaledImage ? super.getIconHeight() / 2: super.getIconHeight();
}
};
}
}