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doxy gfxfont

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ladyada 2018-07-14 12:37:42 -04:00
parent 4de9ba8f14
commit 836a499055
2 changed files with 55 additions and 12 deletions
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48
Adafruit_SPITFT.cpp
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@ -1,4 +1,9 @@
/*************************************************** /*!
* @file Adafruit_SPITFT.cpp
*
* @mainpage Adafruit SPI TFT Displays
*
* @section intro_sec Introduction
This is our library for generic SPI TFT Displays with This is our library for generic SPI TFT Displays with
address windows and 16 bit color (e.g. ILI9341, HX8357D, ST7735...) address windows and 16 bit color (e.g. ILI9341, HX8357D, ST7735...)
@ -11,7 +16,21 @@
Written by Limor Fried/Ladyada for Adafruit Industries. Written by Limor Fried/Ladyada for Adafruit Industries.
MIT license, all text above must be included in any redistribution MIT license, all text above must be included in any redistribution
****************************************************/ * @section dependencies Dependencies
*
* This library depends on <a href="https://github.com/adafruit/Adafruit_GFX">
* Adafruit_GFX</a> being present on your system. Please make sure you have
* installed the latest version before using this library.
*
* @section author Author
*
* Written by Limor "ladyada" Fried for Adafruit Industries.
*
* @section license License
*
* BSD license, all text here must be included in any redistribution.
*
*/
#ifndef __AVR_ATtiny85__ // NOT A CHANCE of this stuff working on ATtiny! #ifndef __AVR_ATtiny85__ // NOT A CHANCE of this stuff working on ATtiny!
@ -28,11 +47,32 @@
// Pass 8-bit (each) R,G,B, get back 16-bit packed color /**************************************************************************/
uint16_t Adafruit_SPITFT::color565(uint8_t r, uint8_t g, uint8_t b) { /*!
@brief Pass 8-bit (each) R,G,B, get back 16-bit packed color
This function converts 8-8-8 RGB data to 16-bit 5-6-5
@param red Red 8 bit color
@param green Green 8 bit color
@param blue Blue 8 bit color
@return Unsigned 16-bit down-sampled color in 5-6-5 format
*/
/**************************************************************************/
uint16_t Adafruit_SPITFT::color565(uint8_t red, uint8_t green, uint8_t blue) {
return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | ((b & 0xF8) >> 3); return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | ((b & 0xF8) >> 3);
} }
/**************************************************************************/
/*!
@brief Instantiate Adafruit SPI display driver with software SPI
@param cs Chip select pin #
@param dc Data/Command pin #
@param mosi SPI MOSI pin #
@param sclk SPI Clock pin #
@param rst Reset pin # (optional, pass -1 if unused)
@param miso SPI MISO pin # (optional, pass -1 if unused)
*/
/**************************************************************************/
Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h,
int8_t cs, int8_t dc, int8_t mosi, int8_t cs, int8_t dc, int8_t mosi,
int8_t sclk, int8_t rst, int8_t miso) int8_t sclk, int8_t rst, int8_t miso)

19
gfxfont.h
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@ -8,17 +8,20 @@
#define _GFXFONT_H_ #define _GFXFONT_H_
typedef struct { // Data stored PER GLYPH typedef struct { // Data stored PER GLYPH
uint16_t bitmapOffset; // Pointer into GFXfont->bitmap uint16_t bitmapOffset; ///< Pointer into GFXfont->bitmap
uint8_t width, height; // Bitmap dimensions in pixels uint8_t width; ///< Bitmap dimensions in pixels
uint8_t xAdvance; // Distance to advance cursor (x axis) uint8_t height; ///< Bitmap dimensions in pixels
int8_t xOffset, yOffset; // Dist from cursor pos to UL corner uint8_t xAdvance; ///< Distance to advance cursor (x axis)
int8_t xOffset; ///< X dist from cursor pos to UL corner
int8_t yOffset; ///< Y dist from cursor pos to UL corner
} GFXglyph; } GFXglyph;
typedef struct { // Data stored for FONT AS A WHOLE: typedef struct { // Data stored for FONT AS A WHOLE:
uint8_t *bitmap; // Glyph bitmaps, concatenated uint8_t *bitmap; ///< Glyph bitmaps, concatenated
GFXglyph *glyph; // Glyph array GFXglyph *glyph; ///< Glyph array
uint8_t first, last; // ASCII extents uint8_t first; ///< ASCII extents (first char)
uint8_t yAdvance; // Newline distance (y axis) uint8_t last; ///< ASCII extents (last char)
uint8_t yAdvance; ///< Newline distance (y axis)
} GFXfont; } GFXfont;
#endif // _GFXFONT_H_ #endif // _GFXFONT_H_