MAGNIFICATION ENGINE AND INTERFACE FOR COMPUTERS

Described is an engine and API that couples an application program to an effects program such as a magnification program. For example, source content may be magnified for viewing in an output region. Magnification may be accomplished by identifying a magnification window to the magnification engine,...

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Hauptverfasser: KARR MATTHEW B, DE SOUZA JEREMY
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creator KARR MATTHEW B
DE SOUZA JEREMY
description Described is an engine and API that couples an application program to an effects program such as a magnification program. For example, source content may be magnified for viewing in an output region. Magnification may be accomplished by identifying a magnification window to the magnification engine, a source region to magnify, a magnification transform, and possibly filtering criteria, such as any windows to include or exclude from magnification. A request to display a region of displayed graphics as modified by a transform may be received, and when graphics commands corresponding to that region are received, the graphics commands are processed to show a transformed representation of the region. The engine and API may work with immediate mode graphics primitives (e.g., GDI commands) and retained mode graphics primitives (e.g., primitives corresponding to a rendering tree; a composition engine composes the output, including any magnified output. ® KIPO & WIPO 2008
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subjects ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CALCULATING
COMPUTING
COUNTING
CRYPTOGRAPHY
DISPLAY
EDUCATION
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
SEALS
title MAGNIFICATION ENGINE AND INTERFACE FOR COMPUTERS
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