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IDEA-231276: TextIcon refactoring to localize the issue with text rendering

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GitOrigin-RevId: 35bdcab278e169fc85b34909224d3dd255909933
This commit is contained in:
Sergey Malenkov
2020-03-06 14:07:46 +00:00
committed by intellij-monorepo-bot
parent 14203deb33
commit a638cc9047
1 changed files with 20 additions and 16 deletions
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platform/platform-impl/src/com/intellij/ui/TextIcon.java
+20 -16
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@@ -1,22 +1,15 @@
// Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package com.intellij.ui;
import com.intellij.ide.ui.AntialiasingType;
import javax.swing.*;
import java.awt.*;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.font.TextLayout;
import java.util.Objects;
import static com.intellij.ide.ui.UISettings.setupAntialiasing;
import static com.intellij.ui.paint.RectanglePainter.FILL;
import static java.awt.RenderingHints.VALUE_FRACTIONALMETRICS_OFF;
public final class TextIcon implements Icon {
private static final FontRenderContext CONTEXT =
new FontRenderContext(null, AntialiasingType.getKeyForCurrentScope(false), VALUE_FRACTIONALMETRICS_OFF);
@SuppressWarnings("UseDPIAwareInsets")
private final Insets myInsets = new Insets(0, 0, 0, 0);
private Integer myRound;
@@ -25,11 +18,14 @@ public final class TextIcon implements Icon {
private Font myFont;
private String myText;
private Rectangle myTextBounds;
private FontRenderContext myContext;
private Rectangle getTextBounds() {
if (myTextBounds == null && myFont != null && myText != null && !myText.isEmpty()) {
GlyphVector vector = myFont.createGlyphVector(CONTEXT, myText);
myTextBounds = vector.getPixelBounds(CONTEXT, 0, 0);
myContext = new FontRenderContext(null,
UIManager.get(RenderingHints.KEY_TEXT_ANTIALIASING),
UIManager.get(RenderingHints.KEY_FRACTIONALMETRICS));
myTextBounds = getPixelBounds(myFont, myText, myContext);
}
return myTextBounds;
}
@@ -92,15 +88,17 @@ public final class TextIcon implements Icon {
}
Rectangle bounds = getTextBounds();
if (myForeground != null && bounds != null) {
g = g.create();
Graphics2D g2d = (Graphics2D)g.create(myInsets.left + x, myInsets.top + y, bounds.width, bounds.height);
try {
g.setColor(myForeground);
g.setFont(myFont);
setupAntialiasing(g);
g.drawString(myText, myInsets.left + x - bounds.x, myInsets.top + y - bounds.y);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, myContext.getAntiAliasingHint());
g2d.setRenderingHint(RenderingHints.KEY_TEXT_LCD_CONTRAST, UIManager.get(RenderingHints.KEY_TEXT_LCD_CONTRAST));
g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, myContext.getFractionalMetricsHint());
g2d.setColor(myForeground);
g2d.setFont(myFont);
g2d.drawString(myText, -bounds.x, -bounds.y);
}
finally {
g.dispose();
g2d.dispose();
}
}
}
@@ -123,4 +121,10 @@ public final class TextIcon implements Icon {
public int hashCode() {
return Objects.hash(myInsets, myRound, myBackground, myForeground, myFont, myText, myTextBounds);
}
private static Rectangle getPixelBounds(Font font, String text, FontRenderContext context) {
return font.hasLayoutAttributes()
? new TextLayout(text, font, context).getPixelBounds(context, 0, 0)
: font.createGlyphVector(context, text).getPixelBounds(context, 0, 0);
}
}