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preserve image aspect ratio

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Gregor Lohaus
2026-05-28 13:41:27 +02:00
parent 1665dcfaae
commit 7dfff664fc
8 changed files with 6 additions and 3 deletions
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9
src/main/java/com/gregor/jprototerm/TerminalCanvasView.java
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@@ -610,13 +610,16 @@ public final class TerminalCanvasView {
double sourceHeight = bounds.sourceRows() * sourceCellHeight;
double x = originX + (bounds.minColumn * cellWidth);
double y = originY + (bounds.minRow * lineHeight);
double width = bounds.columns() * cellWidth;
double height = bounds.rows() * lineHeight;
double availableWidth = bounds.columns() * cellWidth;
double availableHeight = bounds.rows() * lineHeight;
if (sourceWidth <= 0.0 || sourceHeight <= 0.0 || width <= 0.0 || height <= 0.0) {
if (sourceWidth <= 0.0 || sourceHeight <= 0.0 || availableWidth <= 0.0 || availableHeight <= 0.0) {
return;
}
double scale = Math.min(availableWidth / sourceWidth, availableHeight / sourceHeight);
double width = sourceWidth * scale;
double height = sourceHeight * scale;
gc.drawImage(image, sourceX, sourceY, sourceWidth, sourceHeight, x, y, width, height);
}