Shellscript que cria um poster de filme a partir de uma imagem e um prompt de dados, criado pelo meu amigo abacaxis.

polaroid.sh

#!/bin/bash

# Polaroid Movie Poster Generator 1.0 by abacaxis
# Depende do pacote Imagemagick
# Invoque o programa pelo comando "polaroid"
# Insira os dados que ele te pedir

# --- FILE INPUT ---
PIC=$1

if [ -z "$PIC" ]; then
  echo "Usage: $0 <filename>"
  exit 1
fi

NOME="${PIC%.*}"

# --- DATA INPUT ---
# Prompts for polaroid metadata.
echo "--- Polaroid Movie Poster Generator 1.0 ---"
read -p "Movie Title: " TITLE
read -p "Release Year: " YEAR
read -p "Director: " DIRECTOR
read -p "Main Star: " STAR

# --- COLOR EXTRACTION ---
# Extracts 8 dominant colors for the bottom bar.
echo "Extracting the 8 most dominant colors pallete..."
COLORS=$(magick "$PIC" -colors 8 -unique-colors txt:- | grep -oh "#[A-F0-9]\{6\}" | head -n 8)

# --- COORDINATES & SIZES ---
# Define positions for the color blocks.
draw_command=""
x_pos=50
y_pos=1350
block_width=112
block_height=60

for hex in $COLORS; do
  draw_command="$draw_command fill '$hex' rectangle $x_pos,$y_pos $((x_pos + block_width)),$((y_pos + block_height))"
  x_pos=$((x_pos + block_width))
done

echo "Rendering Polaroid..."

# --- IMAGE RENDERING ---

# Calcula a largura do título para saber onde posicionar o ano

TITLE_SIZE=60
YEAR_SIZE=30
TITLE_WIDTH=$(magick -font "Liberation-Sans-Bold" -pointsize $TITLE_SIZE label:"${TITLE}" -format "%w" info: | tr -d '% ')

# Define a posição X do Ano (Margem 50 + Largura do Título + 5px de espaço)
YEAR_X=$((50 + TITLE_WIDTH + 5))

magick -size 1000x1500 xc:#f5f5f5 \
  \( "$PIC" -resize 900x900^ -gravity center -extent 900x900 \) \
  -gravity north -geometry +0+50 -composite \
  -fill "#222222" \
  -gravity SouthWest \
  -font "Liberation-Sans-Bold" -pointsize $TITLE_SIZE -annotate +50+420 "${TITLE}" \
  -font "Liberation-Sans" -pointsize $YEAR_SIZE -annotate +${YEAR_X}+428 "($YEAR)" \
  -font "Liberation-Sans" -pointsize 40 -annotate +50+340 "Direção: $DIRECTOR" \
  -font "Liberation-Sans" -pointsize 40 -annotate +50+280 "Estrela: $STAR" \
  -gravity North -draw "$draw_command" \
  -depth 8 -quality 90 png8:"$NOME-poster.png"
echo "$TITLE rendered"

Obrigado pelo apoio amigo.