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The PCjr, released in 1983, has a graphics subsystem built around IBM's Video Gate Array [3] (not to be confused with the later Video Graphics Array) and an MC6845 CRTC [4] and extends on the capabilities of the Color Graphics Adapter (CGA), increasing the number of colors in each screen mode. CGA's 2-color mode can be displayed with four ...
The G7 Method is a printing procedure used for visually accurate color reproduction by putting emphasis on matching grayscale colorimetric measurements between processes. G7 stands for g rayscale plus seven colors: the subtractive colors typically used in printing (Cyan, Magenta, Yellow, and Black) and the additive colors (Red, Green, and Blue).
Simulated Hercules InColor Card 640 x 350 x 16 graphics resolution and color abilities, corrected for aspect ratio. The Hercules InColor Card (GB222) is an IBM PC compatible 8-bit ISA graphics controller card released in April 1987 by Hercules Computer Technology, Inc. [1] [2] [3] It supported a fixed hardware palette of 64 colours, with the ability to display 720 × 350 with 16 colours on an ...
[1] [2] In the case of an RGB color display, the derived unit of pixel pitch is a measure of the size of a triad plus the distance between triads. Dot pitch may be measured in linear units (with smaller numbers meaning higher resolution), usually millimeters (mm), or as a rate, for example, dots per inch (with a larger number meaning higher ...
IBM 8514 is a graphics card manufactured by IBM and introduced with the IBM PS/2 line of personal computers in 1987. It supports a display resolution of 1024 × 768 pixels with 256 colors at 43.5 Hz (), or 640 × 480 at 60 Hz (non-interlaced).
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PGF supports a wide variety of color models: Grayscale with 1, 8, 16, or 31 bits per pixel; Indexed color with palette size of 256; RGB color image with 12, 16 (red: 5 bits, green: 6 bits, blue: 5 bits), 24, or 48 bits per pixel; ARGB color image with 32 bits per pixel; L*a*b color image with 24 or 48 bits per pixel; CMYK color image with 32 or ...
Shapes are then drawn on top of the stripes by inverting the value of the stencil buffer. If the buffer at that pixel has a value of 0 (black), color the pixel white (1) and vice versa. A stencil buffer is an extra data buffer, in addition to the color buffer and Z-buffer, found on modern graphics hardware.