OPF Image Treatment
Text Overlay
Text sits over photography with a controlled overlay layer for readability.
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
Keep overlay opacity consistent across a deck.
Place text away from faces, product details, and busy textures.
Use short lines and high-contrast type.
OPF Config
image-treatments:text-overlay{
"$schema": "https://openpresentation.org/schema/opf/v1",
"name": "PPTX.gallery — image-treatments/text-overlay",
"description": "Text sits over photography with a controlled overlay layer for readability.",
"tags": [
"gallery:image-treatments/text-overlay"
],
"design": {
"slideImage": {
"src": "asset:hero",
"position": "background"
},
"imageFill": "crop"
},
"slides": [
{
"id": "gallery-preview-1",
"layout": "title-slide",
"title": "Text Overlay",
"subtitle": "Hero statements, quotes, impact statistics, and chapter openers.",
"image": {
"src": "asset:hero",
"alt": "Text Overlay image treatment example"
},
"design": {
"contentBox": false,
"contentAlignment": "center",
"titleAlignment": "center"
}
}
],
"catalogs": {
"layouts": {
"records": [
{
"$schema": "https://openpresentation.org/schema/opf-layout/v1",
"id": "title-slide",
"name": "Title_Slide",
"label": "Title Slide",
"summary": "Bold, centered typography with minimal elements. Perfect for opening your presentation with impact.",
"description": "Bold, centered typography with minimal elements. Perfect for opening your presentation with impact.",
"tags": [
"Opening",
"Impact",
"Minimal"
],
"master": "Gallery",
"masterSlideIndex": 0,
"groupHash": "ddf3a920a68b7a0316802c6a646bb4bb481c6f5a288d236ab3021b4b990d25c2",
"groupDefault": true,
"contentType": "Title",
"contentMultiple": "None",
"contentAlignment": "Center",
"contentBox": false,
"contentTypeChartPrimary": "None",
"contentTypeImageFill": "None",
"contentTypeListBullet": "None",
"contentTypeListHeading": false,
"slideTitle": true,
"slideTitleAlignment": "Center",
"slideImage": false,
"slideImageAlignment": "None",
"slideLayoutDirection": "None",
"zones": [
{
"role": "title",
"placeholder": "title"
},
{
"role": "subtitle",
"placeholder": "subtitle"
}
],
"preview": {},
"details": "Bold, centered typography with minimal elements. Perfect for opening your presentation with impact. OPF placeholders: title, subtitle.",
"category": "opening-closing",
"spatialCategory": "hero",
"contentTypeTags": [
"mixed",
"title"
],
"placeholders": [
{
"type": "title"
},
{
"type": "subtitle"
}
],
"slideSubtitle": true
}
]
}
}
}Preview this config live at pptx.dev/playground, or load it in the gallery visual editor.
Related How-To Articles
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General Image Rules
Crop with intent
Choose fit, position, and size based on the subject and message, not just available space.
Protect readability
Text over images needs enough contrast, an intentional overlay, or a separate text surface.
Respect image truth
Avoid filters or crops that distort evidence, screenshots, charts, or compliance imagery.
Keep a system
Use a small set of image treatments consistently so photo-heavy decks still feel coherent.