#!/bin/bash # Generate a gallery of screenshots for all background shaders # Usage: ./scripts/generate_shader_gallery.sh [-f|--force] [output_dir] # # Options: # -f, --force Overwrite existing screenshots (default: skip existing) # output_dir Output directory (default: gh-pages/gallery) set -e # Parse arguments FORCE=false OUTPUT_DIR="" while [[ $# -gt 0 ]]; do case $1 in -f|--force) FORCE=true shift ;; -h|--help) echo "Usage: $0 [-f|--force] [output_dir]" echo "" echo "Options:" echo " -f, --force Overwrite existing screenshots (default: skip existing)" echo " output_dir Output directory (default: gh-pages/gallery)" exit 0 ;; *) OUTPUT_DIR="$1" shift ;; esac done SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" PROJECT_ROOT="$(dirname "$SCRIPT_DIR")" SHADERS_DIR="$PROJECT_ROOT/shaders" OUTPUT_DIR="${OUTPUT_DIR:-$PROJECT_ROOT/gh-pages/gallery}" # Build release version for better performance echo "Building par-term in release mode..." cargo build --release --manifest-path "$PROJECT_ROOT/Cargo.toml" PAR_TERM="$PROJECT_ROOT/target/release/par-term" # Create output directory mkdir -p "$OUTPUT_DIR" # Get list of background shaders (exclude cursor_ prefix) SHADERS=$(ls "$SHADERS_DIR"/*.glsl 2>/dev/null | xargs -n1 basename | grep -v "^cursor_" | sort) if [ -z "$SHADERS" ]; then echo "No shaders found in $SHADERS_DIR" exit 1 fi SHADER_COUNT=$(echo "$SHADERS" | wc -l | tr -d ' ') echo "Found $SHADER_COUNT background shaders" echo "Output directory: $OUTPUT_DIR" echo "" # Counter for progress CURRENT=0 SKIPPED=0 GENERATED=0 for SHADER in $SHADERS; do CURRENT=$((CURRENT + 1)) SHADER_NAME="${SHADER%.glsl}" OUTPUT_FILE="$OUTPUT_DIR/${SHADER_NAME}.png" # Skip if file exists and force is not enabled if [ -f "$OUTPUT_FILE" ] && [ "$FORCE" = false ]; then echo "[$CURRENT/$SHADER_COUNT] Skipping $SHADER_NAME (exists)" SKIPPED=$((SKIPPED + 1)) continue fi echo "[$CURRENT/$SHADER_COUNT] Capturing $SHADER_NAME..." # Run par-term with the shader # - Command sent at 1 second # - Screenshot taken at exit_after - 1 = 4 seconds (gives time for shader + command output to render) # - Exit at 5 seconds # Enable info logging for screenshot debugging RUST_LOG=info "$PAR_TERM" \ --shader "$SHADER" \ --screenshot "$OUTPUT_FILE" \ --exit-after 5 \ --command-to-send "echo 'Shader: $SHADER_NAME'; neofetch 2>/dev/null || fastfetch 2>/dev/null || echo 'par-term shader demo'" \ 2>&1 | grep -iE "(screenshot|error|failed|warning)" || true if [ -f "$OUTPUT_FILE" ]; then echo " Saved: $OUTPUT_FILE" GENERATED=$((GENERATED + 1)) else echo " Warning: Screenshot not created for $SHADER_NAME" fi done echo "" echo "Gallery generation complete!" echo " Generated: $GENERATED" echo " Skipped: $SKIPPED" echo " Total: $SHADER_COUNT" echo "Screenshots saved to: $OUTPUT_DIR" if [ "$SKIPPED" -gt 0 ] && [ "$FORCE" = false ]; then echo "" echo "Tip: Use -f or --force to regenerate existing screenshots" fi echo "" # Generate a simple HTML index if there are screenshots if ls "$OUTPUT_DIR"/*.png &>/dev/null; then INDEX_FILE="$OUTPUT_DIR/index.html" echo "Generating HTML index..." cat > "$INDEX_FILE" << 'HTMLHEAD' par-term Shader Gallery

par-term Shader Gallery

HTMLHEAD for PNG in "$OUTPUT_DIR"/*.png; do BASENAME=$(basename "$PNG") SHADER_NAME="${BASENAME%.png}" echo "

" >> "$INDEX_FILE" echo " $\"$SHADER_NAME\"$ " >> "$INDEX_FILE" echo "

$SHADER_NAME

" >> "$INDEX_FILE" echo "

" >> "$INDEX_FILE" done cat >> "$INDEX_FILE" << 'HTMLFOOT'

HTMLFOOT echo "HTML index created: $INDEX_FILE" fi