Invention Grant
US08176438B2 Multi-modal interaction for a screen magnifier 有权
屏幕放大镜的多模态相互作用

Multi-modal interaction for a screen magnifier
Abstract:
A multi-model magnification system is described that can be used with multiple forms of input, including natural input such as touch-based devices. Users can zoom in/out and pan with their preferred mode of interaction, including mouse, keyboard, pen, and touch interactions. The system provides dedicated features for some modes, such as pinch/scroll gestures for touch input, that allow users to easily zoom in/out and pan the magnified area (e.g., on a touch laptop). The system provides an interactive panning mode in which the user the user can interact with the desktop or applications (e.g., clicking on icons) and pan using special gestures. When the system is in the panning mode, the system consumes received gestures or other input, otherwise the system passes received input to a magnified application.
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