Color display apparatus
First Claim
1. In a color display system wherein a graphic is displayed in color in response to indicia representing the graphic shape and other indicia representing the color of the graphic, the method of selecting indicia representing colors for graphics to be displayed comprising the steps of storing a plurality of sets of indicia, each set representing a different color of a palette of colors, displaying in response to each set of indicia a color patch, selecting different color patches to establish a subset of working colors and in response to the selection of each color patch storing the set of indicia associated therewith in a register of an addressed memory, and thereafter, when assigning a working color to a graphic to be displayed, coupling to the indicia associated with the graphic the address of the register containing the indicia associated with the assigned working color so that the indicia representing the colors of the graphic to be displayed is obtained from the addressed memory.
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Abstract
A color display system has a color encoder which receives intensity signals via a video generator from a graphics generator as well as color signals. The color encoder processes the color and video signals for transmission to a display monitor which then displays the graphics in color. Such a system is provided with apparatus for selecting from a palette set of colors a working subset of the color signals for use in the display of colored graphics. The apparatus includes a palette memory for storing sets of groups of indicia wherein each of the groups of indicia represents a different color signal of the set. Means are provided for sequentially transferring the groups of indicia from the palettememory to the display monitor for displaying the colors associated with the groups. A working memory stores a subset of groups of indicia. Selection means transfer from the palette memory to the working memory groups of indicia in accordance with the desired colors displayed on the display monitor.
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Citations
5 Claims
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1. In a color display system wherein a graphic is displayed in color in response to indicia representing the graphic shape and other indicia representing the color of the graphic, the method of selecting indicia representing colors for graphics to be displayed comprising the steps of storing a plurality of sets of indicia, each set representing a different color of a palette of colors, displaying in response to each set of indicia a color patch, selecting different color patches to establish a subset of working colors and in response to the selection of each color patch storing the set of indicia associated therewith in a register of an addressed memory, and thereafter, when assigning a working color to a graphic to be displayed, coupling to the indicia associated with the graphic the address of the register containing the indicia associated with the assigned working color so that the indicia representing the colors of the graphic to be displayed is obtained from the addressed memory.
- 2. In a color display system having a color encoder which receives intensity signals via a video generator from a graphics generator memory and color signals, the color encoder processing the color and video signals for transmission to a display monitor, apparatus for selecting from a palette set of color signals a working subset of the color signals for use in the display of colored graphics, said apparatus comprising palette memory means for storing sets of groups of indicia, each of said groups of indicia representing a different color signal of said set, means for sequentially transferring the groups of indicia from said palette memory means to said display monitor for display of the colors associated with the groups, a working memory means for storing a subset of the groups of indicia and selection means for transferring from said palette memory means to said working memory means groups of indicia in accordance with desired colors displayed on the display monitor.
Specification