Transcription of Adafruit GFX Graphics Library
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Adafruit GFX Graphics Library
Adafruit GFX Graphics LibraryCreated by Phillip Burgess updated on 2021-11-15 05:49:52 PM EST Adafruit IndustriesPage 1 of 293457889101112131516171717192023242528 Table of ContentsOverview The Old WayCoordinate System and UnitsGraphics Primitives Drawing pixels (points) Drawing lines Rectangles Circles Rounded rectangles Triangles Characters and text Extended Characters, CP437 and a Lurking Bug Bitmaps Clearing or filling the screen Hardware-Specific functionsRotating the DisplayUsing Fonts Using GFX Fonts in Arduino Sketches Adding New FontsLoading Images Using the Adafruit_ImageReader Library Loading and Using Images in RAM Adafruit IndustriesPage 2 of 29 Overview The Adafruit_GFX Library for Arduino provides a common syntax and set of graphicsfunctions for all of our LCD and OLED displays and LED matrices. This allows Arduinosketches to easily be adapted between display types with minimal any newfeatures, performance improvements and bug fixes will immediately apply across ourcomplete offering of color always works together with an additional Library unique to each specificdisplay type.
Nov 15, 2021 · graphics systems (a throwback to the days of raster-scan CRT graphics, which worked top-to-bottom). To use a tall “portrait” layout rather than wide “landscape” format, or if physical constraints dictate the orientation of a display in an enclosure, one of four rotation settings can also be applied, indicating which corner of the display
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