Electronic Message Font Size Normalization for Cross-Device Consistency
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Solution Overview
Problem
The visual appearance of electronic messages, such as emails, is affected by device-specific factors like font availability, rendering limitations, and screen size, leading to inconsistent text sizes despite specified font sizes in formatting instructions, making it difficult to maintain legibility across different devices.
Innovation Solution
A method is implemented to normalize absolute font sizes in electronic messages to relative values based on a base value, allowing for consistent rendering across various devices by altering formatting directives before display, preserving the original message layout for complex messages and enhancing accessibility by enabling user-controlled text resizing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If absolute font size values are used in formatting directives, then the message author can specify precise text sizes, but the actual displayed text size varies significantly across different devices due to screen size and resolution differences
Solution Approach 1:
The patent changes the parameter representation from absolute values (fixed pixel sizes) to relative values (percentages or multipliers based on a base font size). This allows the same formatting directive to adapt to different device screens while maintaining the intended proportional relationships between different text elements, resolving the contradiction between precise size specification and device compatibility.
Solution Approach 2:
The patent introduces dynamic font size calculation where the actual displayed size is determined by multiplying a base font size (adapted to the device's screen characteristics) by a relative size factor from the formatting directive. This dynamic approach allows the same message to render appropriately on devices with different screen sizes and resolutions, maintaining both precision and adaptability.
2Adaptability or versatility
If formatting directives are altered to use relative values, then text display consistency across devices is improved, but the original absolute size specifications are lost
Solution Approach 1:
The patent creates a transformed copy of the formatting directives where absolute values are converted to relative values based on a calculated base font size. This copying process preserves the proportional relationships and formatting intent while adapting the values for different devices, preventing information loss by maintaining the structural and relational aspects of the original formatting.
3Ease of operation
If font sizes are normalized across all messages, then accessibility is improved through consistent text sizing, but complex message layouts may be disrupted
Solution Approach 1:
The patent applies different handling strategies to different parts of the message formatting. For body text, it uses relative font size normalization to improve accessibility. For structural elements and complex layouts, it preserves the original formatting characteristics. This local differentiation allows accessibility improvements without disrupting the stability of complex message compositions.
Data Source
AI summary
An electronic device or system and method are provided for selectively normalizing or modifying content element attributes that are defined using absolute values, such as absolute font sizes expressed in length measurements such as points and pixels. A document containing structured content, such as an HTML-formatted email message or webpage, is obtained. When any such content element attributes are included with the document, a determination is made whether those attributes can be changed for that document. The determination may be dependent on the complexity of the structured document. If so, the absolute values are converted to relative values, and the document is subsequently rendered for display.