Reference Manual

  • 15.0
  • 07/23/2021
  • Public Content

Displaying Graphics Output

The run-time graphics library routines can draw geometric features, display text, display font-based characters, and transfer images between memory and the screen.
The graphics routines provided with Intel® Visual Fortran set points, draw lines, draw text, change colors, and draw shapes such as circles, rectangles, and arcs.
This section uses the following terms:
  • The
    (point 0, 0) is the upper-left corner of the screen or the client area (defined user area) of the child window being written to. The x-axis and y-axis start at the origin. You can change the origin in some coordinate systems.
  • The horizontal direction is represented by the
    , increasing to the right.
  • The vertical direction is represented by the
    , increasing down.
  • Some graphics adapters offer a
    color palette
    that can be changed.
  • Some graphics adapters (VGA and SVGA) allow you to change the color that a color index refers to by providing a
    color value
    that describes a new color. The color value indicates the mix of red, green, and blue in a screen color. A color value is always an INTEGER number.

Product and Performance Information


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