Differential Content Resizing for Display Hierarchy
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Solution Overview
Problem
Existing text enlargement methods on computers and mobile devices either force a uniform font size or multiply all font sizes by a scale factor, leading to unnecessary enlargement of already legible text, which can push other content off the screen and disrupt the usability of applications that rely on text size for information hierarchy.
Innovation Solution
Implementing a content resizing system that enlarges smaller content items at a faster rate than larger ones as the scale factor increases, ensuring that smaller items never exceed larger items in size, thus preserving the size difference and maintaining usability by freeing up display space for other content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all font sizes are multiplied by a uniform scale factor, then text enlargement is achieved for accessibility, but display space is wasted and other content is pushed off the screen
Solution Approach 1:
The patent applies different enlargement rates to different font sizes based on their original size characteristics. Smaller font sizes (e.g., 10pt-14pt) are enlarged at a faster rate (e.g., 1.5x-2x) while larger font sizes (e.g., 18pt-24pt+) are enlarged at a slower rate (e.g., 1.1x-1.3x), allowing accessibility improvement for critical small text while preserving display space through selective enlargement
2Reliability
If all font sizes are multiplied by a uniform scale factor, then text enlargement is achieved, but the relative size hierarchy between different text elements is lost
Solution Approach 1:
The patent implements size-dependent enlargement where the enlargement factor is determined by the original font size category. This ensures that while all text is enlarged for accessibility, the relative size relationships (e.g., headings remaining larger than body text) are preserved because each size category receives appropriate differential enlargement
Solution Approach 2:
The patent introduces dynamic enlargement factors that adjust based on the original font size. Instead of a static uniform multiplier, the system dynamically selects enlargement rates (e.g., 1.8x for small text, 1.2x for large text) to maintain the dynamic size hierarchy while achieving accessibility goals
3Reliability
If uniform font size is enforced, then accessibility is improved, but the usability of applications relying on text size for information hierarchy is disrupted
Solution Approach 1:
The patent preserves local size variations by applying differential enlargement to different font size categories. This allows applications to maintain their information hierarchy through size-coded meaning (e.g., larger text indicating importance) while still achieving accessibility through overall text enlargement
Data Source
AI summary
Systems, methods, apparatuses, and computer program products for resizing content to be rendered to a display are described. In accordance with embodiments, content items such as text items and images are enlarged based on an original size associated therewith and a scale factor. The enlargement is carried out in a manner such that smaller content items are enlarged as the scale factor increases at a faster rate than a rate at which relatively larger content items are enlarged as the scale factor increases. In a further embodiment, the enlargement is performed in such a manner that the size of smaller content items after enlargement will never equal or exceed the size of relatively larger content items after enlargement.