Initial commit with translated description

scripts/zoom.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+# zoom.sh - Capture cropped region of screen
+# Usage: zoom.sh X1 Y1 X2 Y2
+# Returns base64 of the cropped region
+
+export DISPLAY=:99
+OUTPUT_DIR="/tmp/computer-use"
+mkdir -p "$OUTPUT_DIR"
+
+X1=$1
+Y1=$2
+X2=$3
+Y2=$4
+
+if [ -z "$X1" ] || [ -z "$Y1" ] || [ -z "$X2" ] || [ -z "$Y2" ]; then
+    echo "ERROR: Usage: zoom.sh X1 Y1 X2 Y2" >&2
+    exit 1
+fi
+
+TIMESTAMP=$(date +%s%N)
+FULL_FILE="$OUTPUT_DIR/full_$TIMESTAMP.png"
+CROP_FILE="$OUTPUT_DIR/crop_$TIMESTAMP.png"
+
+# Take full screenshot
+scrot -o "$FULL_FILE" 2>/dev/null
+
+if [ ! -f "$FULL_FILE" ]; then
+    echo "ERROR: Failed to take screenshot" >&2
+    exit 1
+fi
+
+# Calculate crop dimensions
+WIDTH=$((X2 - X1))
+HEIGHT=$((Y2 - Y1))
+
+# Crop using ImageMagick
+convert "$FULL_FILE" -crop "${WIDTH}x${HEIGHT}+${X1}+${Y1}" +repage "$CROP_FILE"
+
+if [ ! -f "$CROP_FILE" ]; then
+    echo "ERROR: Failed to crop screenshot" >&2
+    rm -f "$FULL_FILE"
+    exit 1
+fi
+
+# Output base64
+base64 -w0 "$CROP_FILE"
+
+# Cleanup
+rm -f "$FULL_FILE" "$CROP_FILE"