exo/game-engine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(renderer): optimize font caching in G2DDrawFont for improved performance

Browse Source
This commit is contained in:
extio-de
2026-01-04 14:11:49 +01:00
parent e821f824b4
commit 54f457fb67
1 changed files with 9 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/main/java/de/extio/game_engine/renderer/g2d/bo/rendering/G2DDrawFont.java
View File

@@ -7,6 +7,7 @@ import java.awt.Shape;
import java.awt.font.TextAttribute; import java.awt.font.TextAttribute;
import java.util.HashMap; import java.util.HashMap;
import java.util.Map; import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
import org.springframework.context.annotation.Conditional; import org.springframework.context.annotation.Conditional;
import org.springframework.stereotype.Component; import org.springframework.stereotype.Component;
@@ -214,6 +215,8 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
graphics.drawString(text, (int) (x * scaleFactor), (int) (y * scaleFactor) + textDim.getY()); graphics.drawString(text, (int) (x * scaleFactor), (int) (y * scaleFactor) + textDim.getY());
} }
private static final AtomicReference<Font> cachedFontRef = new AtomicReference<>();
public static CoordI2 getTextDimensions(final String text, final Graphics graphics, final int size_, final double scaleFactor) { public static CoordI2 getTextDimensions(final String text, final Graphics graphics, final int size_, final double scaleFactor) {
if (text == null) { if (text == null) {
return ImmutableCoordI2.one(); return ImmutableCoordI2.one();
@@ -221,7 +224,12 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
final var size = size_ == 0 ? FONT_SIZE_DEFAULT : size_; final var size = size_ == 0 ? FONT_SIZE_DEFAULT : size_;
final var sizeScaled = Math.max(FONT_SIZE_MIN, (float) (size * scaleFactor)); final var sizeScaled = Math.max(FONT_SIZE_MIN, (float) (size * scaleFactor));
final var font = baseFont.deriveFont(sizeScaled); final var font = cachedFontRef.updateAndGet(existingFont -> {
if (existingFont == null || existingFont.getSize2D() != sizeScaled) {
return baseFont.deriveFont(sizeScaled);
}
return existingFont;
});
final var gv = font.layoutGlyphVector(((Graphics2D) graphics).getFontRenderContext(), text.toCharArray(), 0, text.length(), Font.LAYOUT_LEFT_TO_RIGHT); final var gv = font.layoutGlyphVector(((Graphics2D) graphics).getFontRenderContext(), text.toCharArray(), 0, text.length(), Font.LAYOUT_LEFT_TO_RIGHT);
final var pixBounds = gv.getPixelBounds(((Graphics2D) graphics).getFontRenderContext(), 0, 0); final var pixBounds = gv.getPixelBounds(((Graphics2D) graphics).getFontRenderContext(), 0, 0);
return MutableCoordI2.create(pixBounds.x + pixBounds.width, pixBounds.height - (int) pixBounds.getMaxY()); return MutableCoordI2.create(pixBounds.x + pixBounds.width, pixBounds.height - (int) pixBounds.getMaxY());