diff --git a/pom.xml b/pom.xml
index 8fb8477..ff50d75 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
4.0.0
de.extio
game-engine
- 1.0.3
+ 1.0.4
25
diff --git a/src/main/java/de/extio/game_engine/renderer/g2d/bo/rendering/G2DDrawFont.java b/src/main/java/de/extio/game_engine/renderer/g2d/bo/rendering/G2DDrawFont.java
index 10fca2b..97db77c 100644
--- a/src/main/java/de/extio/game_engine/renderer/g2d/bo/rendering/G2DDrawFont.java
+++ b/src/main/java/de/extio/game_engine/renderer/g2d/bo/rendering/G2DDrawFont.java
@@ -3,8 +3,11 @@ package de.extio.game_engine.renderer.g2d.bo.rendering;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
+import java.awt.GraphicsEnvironment;
import java.awt.Shape;
import java.awt.font.TextAttribute;
+import java.awt.font.TextLayout;
+import java.text.AttributedString;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
@@ -26,11 +29,13 @@ 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 = 1.75;
-
+
private static final AtomicReference cachedFontRef = new AtomicReference<>();
-
+
+ private static final AtomicReference cachedFallbackFontRef = new AtomicReference<>();
+
private static Font baseFont;
static {
@@ -44,7 +49,10 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
staticResourceService.loadStreamByPath(resource).ifPresent(stream -> {
try (var in = stream) {
final var font = Font.createFont(Font.TRUETYPE_FONT, in);
+ GraphicsEnvironment.getLocalGraphicsEnvironment().registerFont(font);
G2DDrawFont.baseFont = font;
+ G2DDrawFont.cachedFontRef.set(null);
+ G2DDrawFont.cachedFallbackFontRef.set(null);
}
catch (final Exception e) {
LOGGER.warn(e.getMessage(), e);
@@ -121,7 +129,7 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
final var line = lines[i];
final var yOffset = this.y + i * lineHeight;
- final var textDimScaled = ImmutableCoordI2.create((int)(lineDims[i].getX() * scaleFactor), (int)(lineDims[i].getY() * scaleFactor));
+ final var textDimScaled = ImmutableCoordI2.create((int) (lineDims[i].getX() * scaleFactor), (int) (lineDims[i].getY() * scaleFactor));
switch (this.alignment) {
case LEFT: {
renderSingleLine(graphics, textDimScaled, scaleFactor, this.x, yOffset, this.size, line);
@@ -175,7 +183,18 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
return baseFont.deriveFont(sizeScaled);
}
return existingFont;
- });
+ });
+ }
+
+ private static Font getFallbackFont(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 cachedFallbackFontRef.updateAndGet(existingFont -> {
+ if (existingFont == null || existingFont.getSize2D() != sizeScaled) {
+ return new Font(Font.DIALOG, baseFont.getStyle(), Math.max(1, Math.round(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) {
@@ -200,11 +219,10 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
}
private static void renderSingleLine(final Graphics graphics, final CoordI2 textDim_, final double scaleFactor, final int x, final int y, final int size_, final String text) {
- if (text == null) {
+ if (text == null || text.isEmpty()) {
return;
}
- final var font = getFont(scaleFactor, size_);
CoordI2 textDim;
if (textDim_ == null) {
textDim = getTextDimensions(text, graphics, size_, scaleFactor);
@@ -212,8 +230,8 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
else {
textDim = textDim_;
}
- graphics.setFont(font);
- graphics.drawString(text, (int) (x * scaleFactor), (int) (y * scaleFactor) + textDim.getY());
+ final var textLayout = createTextLayout(text, graphics, size_, scaleFactor);
+ textLayout.draw((Graphics2D) graphics, (float) (x * scaleFactor), (float) ((y * scaleFactor) + textDim.getY()));
}
public static CoordI2 getTextDimensions(final String text, final Graphics graphics, final int size_, final double scaleFactor) {
@@ -221,10 +239,42 @@ public class G2DDrawFont extends G2DAbstractRenderingBo implements DrawFontRende
return ImmutableCoordI2.one();
}
- 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);
+ if (text.isEmpty()) {
+ final var fontMetrics = graphics.getFontMetrics(getFont(scaleFactor, size_));
+ return MutableCoordI2.create(0, fontMetrics.getAscent());
+ }
+
+ final var textLayout = createTextLayout(text, graphics, size_, scaleFactor);
+ final var pixBounds = textLayout.getPixelBounds(((Graphics2D) graphics).getFontRenderContext(), 0, 0);
return MutableCoordI2.create(pixBounds.x + pixBounds.width, pixBounds.height - (int) pixBounds.getMaxY());
}
+ private static TextLayout createTextLayout(final String text, final Graphics graphics, final int size_, final double scaleFactor) {
+ final var attributedString = createAttributedString(text, size_, scaleFactor);
+ return new TextLayout(attributedString.getIterator(), ((Graphics2D) graphics).getFontRenderContext());
+ }
+
+ private static AttributedString createAttributedString(final String text, final int size_, final double scaleFactor) {
+ final var primaryFont = getFont(scaleFactor, size_);
+ final var fallbackFont = getFallbackFont(scaleFactor, size_);
+ final var attributedString = new AttributedString(text);
+ var index = 0;
+ while (index < text.length()) {
+ final var codePoint = text.codePointAt(index);
+ final var runFont = primaryFont.canDisplay(codePoint) ? primaryFont : fallbackFont;
+ final var runStart = index;
+ index += Character.charCount(codePoint);
+ while (index < text.length()) {
+ final var nextCodePoint = text.codePointAt(index);
+ final var nextFont = primaryFont.canDisplay(nextCodePoint) ? primaryFont : fallbackFont;
+ if (!runFont.equals(nextFont)) {
+ break;
+ }
+ index += Character.charCount(nextCodePoint);
+ }
+ attributedString.addAttribute(TextAttribute.FONT, runFont, runStart, index);
+ }
+ return attributedString;
+ }
+
}