angel/FlatLaf
1
0
Fork 0
mirror of https://github.com/JFormDesigner/FlatLaf.git synced 2026-02-13 07:17:13 -06:00
Code Issues Packages Projects Releases Wiki Activity

FlatSVGIcon: use grayFilter and graphics proxy to paint disabled icons without bitmaps

Browse Source
This commit is contained in:
Karl Tauber
2020-05-02 23:48:46 +02:00
parent a2541a9659
commit 464787dc1e
3 changed files with 56 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java
View File

@@ -121,14 +121,10 @@ public abstract class FlatLaf
public Icon getDisabledIcon( JComponent component, Icon icon ) {
if( icon instanceof ImageIcon ) {
Object grayFilter = UIManager.get( "Component.grayFilter" );
if( !(grayFilter instanceof ImageFilter) ) {
// fallback
grayFilter = isDark()
? new GrayFilter( -20, -70, 100 )
: new GrayFilter( 25, -25, 100 );
}
ImageFilter filter = (grayFilter instanceof ImageFilter)
? (ImageFilter) grayFilter
: GrayFilter.createDisabledIconFilter( isDark() ); // fallback
ImageFilter filter = (ImageFilter) grayFilter;
Function<Image, Image> mapper = img -> {
ImageProducer producer = new FilteredImageSource( img.getSource(), filter );
return Toolkit.getDefaultToolkit().createImage( producer );

6
flatlaf-core/src/main/java/com/formdev/flatlaf/util/GrayFilter.java
View File

@@ -19,6 +19,12 @@ public class GrayFilter
private final int origContrast;
private final int origBrightness;
public static GrayFilter createDisabledIconFilter( boolean dark ) {
return dark
? new GrayFilter( -20, -70, 100 )
: new GrayFilter( 25, -25, 100 );
}
/**
* @param brightness in range [-100..100] where 0 has no effect
* @param contrast in range [-100..100] where 0 has no effect