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fix(renderer): enhance text rendering in CustomLabel to support multi-line captions

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This commit is contained in:
extio-de
2026-01-03 20:47:57 +01:00
parent 5c68dd8504
commit 4034770d2a
1 changed files with 57 additions and 36 deletions
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93
src/main/java/de/extio/game_engine/renderer/g2d/control/components/CustomLabel.java
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@@ -177,9 +177,9 @@ public class CustomLabel extends Component {
}
if (!this.enabled) {
h = theme.getTextDisabled().getHue();
s = theme.getTextDisabled().getSaturation();
b = theme.getTextDisabled().getBrightness();
// h = theme.getTextDisabled().getHue();
// s = theme.getTextDisabled().getSaturation();
// b = theme.getTextDisabled().getBrightness();
}
else if ((this.state & STATE_PRESSED) != 0) {
h = theme.getSelectionPrimary().getHue();
@@ -204,42 +204,63 @@ public class CustomLabel extends Component {
g2d.setColor(Color.getHSBColor(h, s, b));
final var alignment = this.textAlignment == null ? HorizontalAlignment.CENTER : this.textAlignment;
final var textDim = G2DDrawFont.getTextDimensions(this.caption, g2d, this.fontSize, this.scaleFactor);
switch (alignment) {
case LEFT: {
G2DDrawFont.renderText(g2d,
this.scaleFactor,
1,
(int) ((this.getHeight() - (textDim.getY())) / 2 / this.scaleFactor),
this.fontSize,
this.caption);
break;
final var lines = this.caption != null && this.caption.contains("\n") ? this.caption.split("\n", -1) : new String[] { this.caption == null ? "" : this.caption };
final var lineHeight = G2DDrawFont.getTextDimensions("M", g2d, this.fontSize, 1.0).getY() + (int) (Math.max(G2DDrawFont.FONT_SIZE_MIN, this.fontSize) * 0.5);
final CoordI2[] lineDims = new CoordI2[lines.length];
int maxLineWidth = 0;
for (int i = 0; i < lines.length; i++) {
lineDims[i] = G2DDrawFont.getTextDimensions(lines[i], g2d, this.fontSize, 1.0);
if (lineDims[i].getX() > maxLineWidth) {
maxLineWidth = lineDims[i].getX();
}
}
final int totalTextHeight = lineHeight * lines.length;
final int startY = ((int) (this.getHeight() / this.scaleFactor) - totalTextHeight) / 2;
for (int i = 0; i < lines.length; i++) {
final var line = lines[i];
final var yOffset = startY + i * lineHeight;
final var textDimScaled = ImmutableCoordI2.create((int) (lineDims[i].getX() * this.scaleFactor), (int) (lineDims[i].getY() * this.scaleFactor));
case CENTER: {
G2DDrawFont.renderText(g2d,
textDim,
this.scaleFactor,
(int) ((this.getWidth() - (textDim.getX())) / 2 / this.scaleFactor),
(int) ((this.getHeight() - (textDim.getY())) / 2 / this.scaleFactor),
this.fontSize,
this.caption);
break;
switch (alignment) {
case LEFT: {
G2DDrawFont.renderText(g2d,
textDimScaled,
this.scaleFactor,
1,
yOffset,
this.fontSize,
line);
break;
}
case CENTER: {
G2DDrawFont.renderText(g2d,
textDimScaled,
this.scaleFactor,
((int) (this.getWidth() / this.scaleFactor) - lineDims[i].getX()) / 2,
yOffset,
this.fontSize,
line);
break;
}
case RIGHT: {
G2DDrawFont.renderText(g2d,
textDimScaled,
this.scaleFactor,
(int) (this.getWidth() / this.scaleFactor) - lineDims[i].getX(),
yOffset,
this.fontSize,
line);
break;
}
default:
break;
}
case RIGHT: {
G2DDrawFont.renderText(g2d,
textDim,
this.scaleFactor,
(int) ((this.getWidth() - textDim.getX()) / this.scaleFactor),
(int) ((this.getHeight() - (textDim.getY())) / 2 / this.scaleFactor),
this.fontSize,
this.caption);
break;
}
default:
break;
}
}