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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
address windows and 16 bit color (e.g. ILI9341, HX8357D, ST7735...)
@ -11,7 +16,21 @@
Written by Limor Fried/Ladyada for Adafruit Industries.
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!
@ -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);
}
/**************************************************************************/
/*!
@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,
int8_t cs, int8_t dc, int8_t mosi,
int8_t sclk, int8_t rst, int8_t miso)

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