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Adjust font size dynamically.

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This commit is contained in:
Lukas Brübach 2025-01-03 13:33:47 +01:00
parent bc0b4eff88
commit 94a6e846a2
1 changed files with 41 additions and 16 deletions
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57
cockatrice/src/client/ui/widgets/cards/card_info_picture_with_text_overlay_widget.cpp
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@ -96,16 +96,12 @@ void CardInfoPictureWithTextOverlayWidget::paintEvent(QPaintEvent *event)
// Call the base class's paintEvent to draw the card image
CardInfoPictureWidget::paintEvent(event);
// Now add the custom text overlay on top of the image
// If no overlay text, skip drawing the text
if (overlayText.isEmpty()) {
return;
}
QStylePainter painter(this);
// Set text properties
QFont font = painter.font();
font.setPointSize(fontSize);
painter.setFont(font);
QStylePainter painter(this);
// Get the pixmap from the base class using the getter
const QPixmap &pixmap = getResizedPixmap();
@ -118,13 +114,34 @@ void CardInfoPictureWithTextOverlayWidget::paintEvent(QPaintEvent *event)
const QPoint topLeft{(width() - scaledSize.width()) / 2, (height() - scaledSize.height()) / 2};
const QRect pixmapRect(topLeft, scaledSize);
// Prepare text wrapping
const QFontMetrics fontMetrics(font);
const int lineHeight = fontMetrics.height();
const int textWidth = pixmapRect.width();
QString wrappedText;
// Calculate the optimal font size
QFont font = painter.font();
int optimalFontSize = fontSize; // Start with the user-defined font size
const QFontMetrics baseMetrics(font);
int textWidth = pixmapRect.width();
// Break the text into multiple lines to fit within the pixmap width
// Reduce the font size until the text fits within the pixmap's width
do {
font.setPointSize(optimalFontSize);
QFontMetrics fm(font);
int currentWidth = 0;
for (const QString &word : overlayText.split(' ')) {
currentWidth = std::max(currentWidth, fm.horizontalAdvance(word));
}
if (currentWidth <= textWidth) {
break;
}
--optimalFontSize;
} while (optimalFontSize > 1);
// Apply the calculated font size
painter.setFont(font);
// Wrap the text to fit within the pixmap width
const QFontMetrics fontMetrics(font);
QString wrappedText;
QString currentLine;
QStringList words = overlayText.split(' ');
for (const QString &word : words) {
@ -141,13 +158,22 @@ void CardInfoPictureWithTextOverlayWidget::paintEvent(QPaintEvent *event)
wrappedText += currentLine;
// Calculate total text block height
const int totalTextHeight = static_cast<int>(wrappedText.count('\n')) * lineHeight + lineHeight;
int totalTextHeight = wrappedText.count('\n') * fontMetrics.height() + fontMetrics.height();
// Adjust font size if the total text height exceeds the pixmap height
while (totalTextHeight > pixmapRect.height() && optimalFontSize > 1) {
--optimalFontSize;
font.setPointSize(optimalFontSize);
painter.setFont(font);
const QFontMetrics newMetrics(font);
totalTextHeight = wrappedText.count('\n') * newMetrics.height() + newMetrics.height();
}
// Set up the text layout options
QTextOption textOption;
textOption.setAlignment(textAlignment);
// Create a text rectangle centered within the pixmap rect
// Create a text rectangle centered vertically within the pixmap rect
auto textRect = QRect(pixmapRect.left(), pixmapRect.top(), pixmapRect.width(), totalTextHeight);
textRect.moveTop((pixmapRect.height() - totalTextHeight) / 2 + pixmapRect.top());
@ -169,7 +195,6 @@ void CardInfoPictureWithTextOverlayWidget::drawOutlinedText(QPainter &painter,
const QString &text,
const QTextOption &textOption) const
{
// Draw the black outline (outlineColor)
painter.setPen(outlineColor);
for (int dx = -1; dx <= 1; ++dx) {
for (int dy = -1; dy <= 1; ++dy) {
@ -180,7 +205,7 @@ void CardInfoPictureWithTextOverlayWidget::drawOutlinedText(QPainter &painter,
}
}
// Draw the main text (textColor)
// Draw the main text
painter.setPen(textColor);
painter.drawText(textRect, text, textOption);
}