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refactor(renderer): enhance font handling by introducing FONT_LEADING and optimizing font caching

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extio-de
2026-01-06 12:27:35 +01:00
parent 9cc25c9b25
commit 76dc5187c8
1 changed files with 15 additions and 17 deletions
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32
src/main/java/de/extio/game_engine/renderer/g2d/bo/rendering/G2DDrawFont.java
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@@ -26,7 +26,11 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
public final static float FONT_SIZE_MIN = 12.0F;
public final static int FONT_SIZE_DEFAULT = 18;
public final static double FONT_LEADING = 1.6;
private static final AtomicReference<Font> cachedFontRef = new AtomicReference<>();
private static Font baseFont;
static {
@@ -85,7 +89,7 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
graphics.setColor(this.color == null ? this.rendererData.getThemeManager().getCurrentTheme().getTextNormal().toColor() : this.color.toAwtColor());
final var lines = this.text.contains("\n") ? this.text.split("\n", -1) : new String[] { this.text };
final var lineHeight = getTextDimensions("M", graphics, this.size, 1.0).getY() + (int) (Math.max(FONT_SIZE_MIN, this.size) * 0.5);
final var lineHeight = (int) (getTextDimensions("M", graphics, this.size, 1.0).getY() * FONT_LEADING); //+ (int) (Math.max(FONT_SIZE_MIN, this.size) * 0.5);
final CoordI2[] lineDims = new CoordI2[lines.length];
int maxLineWidth = 0;
for (int i = 0; i < lines.length; i++) {
@@ -166,7 +170,12 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
public static Font getFont(final double scaleFactor, final int size_) {
final var size = size_ == 0 ? FONT_SIZE_DEFAULT : size_;
final var sizeScaled = Math.max(FONT_SIZE_MIN, (float) (size * scaleFactor));
return baseFont.deriveFont(sizeScaled);
return cachedFontRef.updateAndGet(existingFont -> {
if (existingFont == null || existingFont.getSize2D() != sizeScaled) {
return baseFont.deriveFont(sizeScaled);
}
return existingFont;
});
}
public static void renderText(final Graphics graphics, final double scaleFactor, final int x, final int y, final int size_, final String text) {
@@ -180,7 +189,7 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
if (text.contains("\n")) {
final var lines = text.split("\n", -1);
final var lineHeight = getTextDimensions("M", graphics, size_, scaleFactor).getY();
final var lineHeight = (int) (getTextDimensions("M", graphics, size_, scaleFactor).getY() * FONT_LEADING);
for (int i = 0; i < lines.length; i++) {
renderText(graphics, null, scaleFactor, x, y + i * lineHeight, size_, lines[i]);
@@ -195,9 +204,7 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
return;
}
final var size = size_ == 0 ? FONT_SIZE_DEFAULT : size_;
final var sizeScaled = Math.max(FONT_SIZE_MIN, (float) (size * scaleFactor));
final var font = baseFont.deriveFont(sizeScaled);
final var font = getFont(scaleFactor, size_);
CoordI2 textDim;
if (textDim_ == null) {
textDim = getTextDimensions(text, graphics, size_, scaleFactor);
@@ -209,21 +216,12 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
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) {
if (text == null) {
return ImmutableCoordI2.one();
}
final var size = size_ == 0 ? FONT_SIZE_DEFAULT : size_;
final var sizeScaled = Math.max(FONT_SIZE_MIN, (float) (size * scaleFactor));
final var font = cachedFontRef.updateAndGet(existingFont -> {
if (existingFont == null || existingFont.getSize2D() != sizeScaled) {
return baseFont.deriveFont(sizeScaled);
}
return existingFont;
});
final var font = getFont(scaleFactor, size_);
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);
return MutableCoordI2.create(pixBounds.x + pixBounds.width, pixBounds.height - (int) pixBounds.getMaxY());