PPTX.gallery
Open in PPTX.dev
ThemesColorsTypeLayoutsNarrativesChartsDocs

OPF Image Treatment

Text Overlay

Text sits over photography with a controlled overlay layer for readability.

text-overlayComposed OPF

Best Fit

Hero statements, quotes, impact statistics, and chapter openers.

Photography Guidance

Choose imagery with low-detail space behind the headline. Add an overlay strong enough to pass contrast checks without hiding the image's subject.

Avoid

Avoid placing paragraph-length text over busy photography.

OPF Coverage Note

OPF v1 composes this with an image element plus a semi-transparent shape overlay and text element.

Treatment Practices

1

Keep overlay opacity consistent across a deck.

2

Place text away from faces, product details, and busy textures.

3

Use short lines and high-contrast type.

OPF Config

image-treatments:text-overlay
Open Presentation Format
{
  "$schema": "https://openpresentation.org/schema/opf/v1",
  "name": "PPTX.gallery — image-treatments/text-overlay",
  "description": "Text sits over photography with a controlled overlay layer for readability.",
  "tags": [
    "gallery:image-treatments/text-overlay"
  ],
  "design": {
    "slideImage": {
      "src": "asset:hero",
      "position": "background"
    },
    "imageFill": "crop"
  },
  "slides": [
    {
      "id": "gallery-preview-1",
      "layout": "title-slide",
      "title": "Text Overlay",
      "subtitle": "Hero statements, quotes, impact statistics, and chapter openers.",
      "image": {
        "src": "asset:hero",
        "alt": "Text Overlay image treatment example"
      }
    }
  ]
}
Open in OPF Playground

Preview this config live at pptx.dev/playground.

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General Image Rules

1

Crop with intent

Choose fit, position, and size based on the subject and message, not just available space.

2

Protect readability

Text over images needs enough contrast, an intentional overlay, or a separate text surface.

3

Respect image truth

Avoid filters or crops that distort evidence, screenshots, charts, or compliance imagery.

4

Keep a system

Use a small set of image treatments consistently so photo-heavy decks still feel coherent.