metadata:
  title: "DPI 配置测试"
  size: "16:9"
  dpi: 150

slides:
  - elements:
      - type: text
        content: "DPI: 150"
        box: [1, 0.5, 8, 0.8]
        font:
          size: 28
          bold: true
          align: center

      - type: image
        src: "../fixtures/images/test_image.png"
        box: [2, 1.5, 6, 3]
        fit: contain
        background: "#f5f5f5"