650 lines
20 KiB
C
650 lines
20 KiB
C
/*
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* High level TFT functions
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* Author: LoBo 04/2017, https://github/loboris
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*
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*/
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#ifndef _mgos_ili9341_H_
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#define _mgos_ili9341_H_
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#include <stdlib.h>
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#include "tftspi.h"
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#include "upng.h"
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typedef struct {
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uint16_t x1;
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uint16_t y1;
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uint16_t x2;
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uint16_t y2;
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} dispWin_t;
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typedef struct {
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uint8_t *font;
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uint8_t x_size;
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uint8_t y_size;
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uint8_t offset;
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uint16_t numchars;
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uint16_t size;
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uint8_t max_x_size;
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uint8_t bitmap;
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color_t color;
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} Font;
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//==========================================================================================
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// ==== Global variables ===================================================================
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//==========================================================================================
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extern uint8_t orientation; // current screen orientation
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extern uint16_t font_rotate; // current font font_rotate angle (0~395)
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extern uint8_t font_transparent; // if not 0 draw fonts transparent
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extern uint8_t font_forceFixed; // if not zero force drawing proportional fonts with fixed width
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extern uint8_t font_buffered_char;
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extern uint8_t font_line_space; // additional spacing between text lines; added to font height
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extern uint8_t text_wrap; // if not 0 wrap long text to the new line, else clip
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extern color_t _fg; // current foreground color for fonts
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extern color_t _bg; // current background for non transparent fonts
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extern dispWin_t dispWin; // display clip window
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extern float _angleOffset; // angle offset for arc, polygon and line by angle functions
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extern uint8_t image_debug; // print debug messages during image decode if set to 1
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extern Font cfont; // Current font structure
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extern int mgos_ili9341_X; // X position of the next character after mgos_ili9341_print() function
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extern int mgos_ili9341_Y; // Y position of the next character after mgos_ili9341_print() function
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extern uint32_t tp_calx; // touch screen X calibration constant
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extern uint32_t tp_caly; // touch screen Y calibration constant
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// =========================================================================================
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// Buffer is created during jpeg decode for sending data
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// Total size of the buffer is 2 * (JPG_IMAGE_LINE_BUF_SIZE * 3)
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// The size must be multiple of 256 bytes !!
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#define JPG_IMAGE_LINE_BUF_SIZE 512
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// --- Constants for ellipse function ---
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#define TFT_ELLIPSE_UPPER_RIGHT 0x01
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#define TFT_ELLIPSE_UPPER_LEFT 0x02
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#define TFT_ELLIPSE_LOWER_LEFT 0x04
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#define TFT_ELLIPSE_LOWER_RIGHT 0x08
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// Constants for Arc function
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// number representing the maximum angle (e.g. if 100, then if you pass in start=0 and end=50, you get a half circle)
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// this can be changed with setArcParams function at runtime
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#define DEFAULT_ARC_ANGLE_MAX 360
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// rotational offset in degrees defining position of value 0 (-90 will put it at the top of circle)
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// this can be changed with setAngleOffset function at runtime
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#define DEFAULT_ANGLE_OFFSET -90
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#define PI 3.14159265359
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#define MIN_POLIGON_SIDES 3
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#define MAX_POLIGON_SIDES 60
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// === Color names constants ===
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extern const color_t ILI9341_BLACK;
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extern const color_t ILI9341_NAVY;
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extern const color_t ILI9341_DARKGREEN;
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extern const color_t ILI9341_DARKCYAN;
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extern const color_t ILI9341_MAROON;
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extern const color_t ILI9341_PURPLE;
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extern const color_t ILI9341_OLIVE;
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extern const color_t ILI9341_LIGHTGREY;
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extern const color_t ILI9341_DARKGREY;
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extern const color_t ILI9341_BLUE;
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extern const color_t ILI9341_GREEN;
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extern const color_t ILI9341_CYAN;
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extern const color_t ILI9341_RED;
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extern const color_t ILI9341_MAGENTA;
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extern const color_t ILI9341_YELLOW;
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extern const color_t ILI9341_WHITE;
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extern const color_t ILI9341_ORANGE;
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extern const color_t ILI9341_GREENYELLOW;
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extern const color_t ILI9341_PINK;
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// === Color invert constants ===
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#define INVERT_ON 1
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#define INVERT_OFF 0
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// === Special coordinates constants ===
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#define CENTER -9003
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#define RIGHT -9004
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#define BOTTOM -9004
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#define LASTX 7000
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#define LASTY 8000
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// === Embedded fonts constants ===
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#define DEFAULT_FONT 0
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#define DEJAVU18_FONT 1
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#define DEJAVU24_FONT 2
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#define UBUNTU16_FONT 3
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#define COMIC24_FONT 4
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#define MINYA24_FONT 5
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#define TOONEY32_FONT 6
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#define SMALL_FONT 7
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#define DEF_SMALL_FONT 8
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#define FONT_7SEG 9
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#define USER_FONT 10 // font will be read from file
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// ===== PUBLIC FUNCTIONS =========================================================================
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/*
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* Draw pixel at given x,y coordinates
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*
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* Params:
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* x: horizontal position
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* y: vertical position
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* color: pixel color
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* sel: if not 0 activate CS before and deactivat after sending pixel data to display
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* when sending multiple pixels it is faster to activate the CS first,
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* send all pixels an deactivate CS after all pixela was sent
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*/
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//-------------------------------------------------------------------
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void mgos_ili9341_drawPixel(int16_t x, int16_t y, color_t color, uint8_t sel);
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/*
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* Read pixel color value from display GRAM at given x,y coordinates
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*
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* Params:
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* x: horizontal position
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* y: vertical position
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*
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* Returns:
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* pixel color at x,y
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*/
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//------------------------------------------
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color_t mgos_ili9341_readPixel(int16_t x, int16_t y);
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/*
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* Draw vertical line at given x,y coordinates
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*
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* Params:
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* x: horizontal start position
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* y: vertical start position
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* h: line height in pixels
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* color: line color
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*/
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//---------------------------------------------------------------------
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void mgos_ili9341_drawFastVLine(int16_t x, int16_t y, int16_t h, color_t color);
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/*
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* Draw horizontal line at given x,y coordinates
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*
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* Params:
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* x: horizontal start position
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* y: vertical start position
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* w: line width in pixels
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* color: line color
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*/
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//---------------------------------------------------------------------
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void mgos_ili9341_drawFastHLine(int16_t x, int16_t y, int16_t w, color_t color);
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/*
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* Draw line on screen
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*
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* Params:
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* x0: horizontal start position
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* y0: vertical start position
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* x1: horizontal end position
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* y1: vertical end position
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* color: line color
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*/
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//-------------------------------------------------------------------------------
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void mgos_ili9341_drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, color_t color);
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/*
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* Draw line on screen from (x,y) point at given angle
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* Line drawing angle starts at lower right quadrant of the screen and is offseted by
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* '_angleOffset' global variable (default: -90 degrees)
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*
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* Params:
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* x: horizontal start position
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* y: vertical start position
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* start: start offset from (x,y)
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* len: length of the line
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* angle: line angle in degrees
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* color: line color
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*/
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//-----------------------------------------------------------------------------------------------------------
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void mgos_ili9341_drawLineByAngle(uint16_t x, uint16_t y, uint16_t start, uint16_t len, uint16_t angle, color_t color);
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/*
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* Fill given rectangular screen region with color
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*
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* Params:
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* x: horizontal rect start position
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* y: vertical rect start position
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* w: rectangle width
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* h: rectangle height
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* color: fill color
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*/
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//---------------------------------------------------------------------------
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void mgos_ili9341_fillRect(int16_t x, int16_t y, int16_t w, int16_t h, color_t color);
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/*
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* Draw rectangle on screen
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*
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* Params:
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* x: horizontal rect start position
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* y: vertical rect start position
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* w: rectangle width
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* h: rectangle height
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* color: rect line color
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*/
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//------------------------------------------------------------------------------
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void mgos_ili9341_drawRect(uint16_t x1,uint16_t y1,uint16_t w,uint16_t h, color_t color);
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/*
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* Draw rectangle with rounded corners on screen
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*
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* Params:
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* x: horizontal rect start position
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* y: vertical rect start position
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* w: rectangle width
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* h: rectangle height
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* r: corner radius
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* color: rectangle color
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*/
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//----------------------------------------------------------------------------------------------
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void mgos_ili9341_drawRoundRect(int16_t x, int16_t y, uint16_t w, uint16_t h, uint16_t r, color_t color);
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/*
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* Fill given rectangular screen region with rounded corners with color
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*
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* Params:
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* x: horizontal rect start position
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* y: vertical rect start position
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* w: rectangle width
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* h: rectangle height
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* r: corner radius
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* color: fill color
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*/
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//----------------------------------------------------------------------------------------------
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void mgos_ili9341_fillRoundRect(int16_t x, int16_t y, uint16_t w, uint16_t h, uint16_t r, color_t color);
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/*
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* Fill the whole screen with color
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*
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* Params:
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* color: fill color
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*/
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//--------------------------------
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void mgos_ili9341_fillScreen(color_t color);
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/*
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* Fill the current clip window with color
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*
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* Params:
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* color: fill color
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*/
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//---------------------------------
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void mgos_ili9341_fillWindow(color_t color);
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/*
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* Draw triangle on screen
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*
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* Params:
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* x0: first triangle point x position
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* y0: first triangle point y position
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* x0: second triangle point x position
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* y0: second triangle point y position
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* x0: third triangle point x position
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* y0: third triangle point y position
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* color: triangle color
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*/
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//-----------------------------------------------------------------------------------------------------------------
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void mgos_ili9341_drawTriangle(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, color_t color);
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/*
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* Fill triangular screen region with color
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*
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* Params:
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* x0: first triangle point x position
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* y0: first triangle point y position
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* x0: second triangle point x position
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* y0: second triangle point y position
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* x0: third triangle point x position
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* y0: third triangle point y position
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* color: fill color
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*/
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//-----------------------------------------------------------------------------------------------------------------
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void mgos_ili9341_fillTriangle(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, color_t color);
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/*
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* Draw circle on screen
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*
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* Params:
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* x: circle center x position
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* y: circle center x position
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* r: circle radius
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* color: circle color
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*/
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//-------------------------------------------------------------------
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void mgos_ili9341_drawCircle(int16_t x, int16_t y, int radius, color_t color);
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/*
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* Fill circle on screen with color
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*
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* Params:
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* x: circle center x position
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* y: circle center x position
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* r: circle radius
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* color: circle fill color
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*/
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//-------------------------------------------------------------------
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void mgos_ili9341_fillCircle(int16_t x, int16_t y, int radius, color_t color);
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/*
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* Draw ellipse on screen
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*
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* Params:
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* x0: ellipse center x position
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* y0: ellipse center x position
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* rx: ellipse horizontal radius
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* ry: ellipse vertical radius
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* option: drawing options, multiple options can be combined
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1 (mgos_ili9341_ELLIPSE_UPPER_RIGHT) draw upper right corner
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2 (mgos_ili9341_ELLIPSE_UPPER_LEFT) draw upper left corner
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4 (mgos_ili9341_ELLIPSE_LOWER_LEFT) draw lower left corner
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8 (mgos_ili9341_ELLIPSE_LOWER_RIGHT) draw lower right corner
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to draw the whole ellipse use option value 15 (1 | 2 | 4 | 8)
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*
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* color: circle color
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*/
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//------------------------------------------------------------------------------------------------------
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void mgos_ili9341_drawEllipse(uint16_t x0, uint16_t y0, uint16_t rx, uint16_t ry, color_t color, uint8_t option);
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/*
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* Fill elliptical region on screen
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*
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* Params:
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* x0: ellipse center x position
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* y0: ellipse center x position
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* rx: ellipse horizontal radius
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* ry: ellipse vertical radius
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* option: drawing options, multiple options can be combined
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1 (mgos_ili9341_ELLIPSE_UPPER_RIGHT) fill upper right corner
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2 (mgos_ili9341_ELLIPSE_UPPER_LEFT) fill upper left corner
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4 (mgos_ili9341_ELLIPSE_LOWER_LEFT) fill lower left corner
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8 (mgos_ili9341_ELLIPSE_LOWER_RIGHT) fill lower right corner
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to fill the whole ellipse use option value 15 (1 | 2 | 4 | 8)
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*
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* color: fill color
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*/
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//------------------------------------------------------------------------------------------------------
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void mgos_ili9341_fillEllipse(uint16_t x0, uint16_t y0, uint16_t rx, uint16_t ry, color_t color, uint8_t option);
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/*
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* Draw circle arc on screen
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* Arc drawing angle starts at lower right quadrant of the screen and is offseted by
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* '_angleOffset' global variable (default: -90 degrees)
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*
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* Params:
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* cx: arc center X position
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* cy: arc center Y position
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* th: thickness of the drawn arc
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* ry: arc vertical radius
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* start: arc start angle in degrees
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* end: arc end angle in degrees
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* color: arc outline color
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* fillcolor: arc fill color
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*/
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//----------------------------------------------------------------------------------------------------------------------------
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void mgos_ili9341_drawArc(uint16_t cx, uint16_t cy, uint16_t r, uint16_t th, float start, float end, color_t color, color_t fillcolor);
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/*
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* Draw polygon on screen
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*
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* Params:
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* cx: polygon center X position
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* cy: arc center Y position
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* sides: number of polygon sides; MAX_POLIGON_SIDES ~ MAX_POLIGON_SIDES (3 ~ 60)
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* diameter: diameter of the circle inside which the polygon is drawn
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* color: polygon outline color
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* fill: polygon fill color; if same as color, polygon is not filled
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* deg: polygon rotation angle; 0 ~ 360
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* th: thickness of the polygon outline
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*/
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//--------------------------------------------------------------------------------------------------------------
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void mgos_ili9341_drawPolygon(int cx, int cy, int sides, int diameter, color_t color, color_t fill, int deg, uint8_t th);
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//--------------------------------------------------------------------------------------
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//void mgos_ili9341_drawStar(int cx, int cy, int diameter, color_t color, bool fill, float factor);
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/*
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* Set the font used for writing the text to display.
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*
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* ------------------------------------------------------------------------------------
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* For 7 segment font only characters 0,1,2,3,4,5,6,7,8,9, . , - , : , / are available.
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* Character ‘/‘ draws the degree sign.
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* ------------------------------------------------------------------------------------
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*
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* Params:
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* font: font number; use defined font names
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* font_file: pointer to font file name; NULL for embeded fonts
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*/
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//----------------------------------------------------
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void mgos_ili9341_setFont(uint8_t font, const char *font_file);
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void mgos_ili9341_setFontColor(color_t color);
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/*
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* Returns current font height & width in pixels.
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*
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* Params:
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* width: pointer to returned font width
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* height: pointer to returned font height
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*/
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//-------------------------------------------
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int mgos_ili9341_getfontsize(int *width, int* height);
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/*
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* Returns current font height in pixels.
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*
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*/
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//----------------------
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int mgos_ili9341_getfontheight();
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/*
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* Write text to display.
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*
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* Rotation of the displayed text depends on 'font_rotate' variable (0~360)
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* if 'font_transparent' variable is set to 1, no background pixels will be printed
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*
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* If the text does not fit the screen width it will be clipped (if text_wrap=0),
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* or continued on next line (if text_wrap=1)
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*
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* Two special characters are allowed in strings:
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* ‘\r’ CR (0x0D), clears the display to EOL
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* ‘\n’ LF (ox0A), continues to the new line, x=0
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*
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* Params:
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* st: pointer to null terminated string to be printed
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* x: horizontal position of the upper left point in pixels
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* Special values can be entered:
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* CENTER, centers the text
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* RIGHT, right justifies the text
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* LASTX, continues from last X position; offset can be used: LASTX+n
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* y: vertical position of the upper left point in pixels
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* Special values can be entered:
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* CENTER, centers the text
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* BOTTOM, bottom justifies the text
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* LASTY, continues from last Y position; offset can be used: LASTY+n
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*
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*/
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//-------------------------------------
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void mgos_ili9341_print(const char *const st, int x, int y);
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/*
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* Set atributes for 7 segment vector font
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* == 7 segment font must be the current font to this function to have effect ==
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*
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* Params:
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* l: 6~40; distance between bars in pixels
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* w: 1~12, max l/2; bar width in pixels
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* outline: draw font outline if set to 1
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* color: font outline color, only used if outline=1
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*
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*/
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//-------------------------------------------------------------------------
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void set_7seg_font_atrib(uint8_t l, uint8_t w, int outline, color_t color);
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/*
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* Sets the clipping area coordinates.
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* All writing to screen is clipped to that area.
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* Starting x & y in all functions will be adjusted to the clipping area.
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*
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* Params:
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* x1,y1: upper left point of the clipping area
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* x2,y2: bottom right point of the clipping area
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*
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*/
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//----------------------------------------------------------------------
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void mgos_ili9341_setclipwin(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
|
||
|
||
/*
|
||
* Resets the clipping area to full screen (0,0),(_wodth,_height)
|
||
*
|
||
*/
|
||
//----------------------
|
||
void mgos_ili9341_resetclipwin();
|
||
|
||
/*
|
||
* Save current clipping area to temporary variable
|
||
*
|
||
*/
|
||
//---------------------
|
||
void mgos_ili9341_saveClipWin();
|
||
|
||
/*
|
||
* Restore current clipping area from temporary variable
|
||
*
|
||
*/
|
||
//------------------------
|
||
void mgos_ili9341_restoreClipWin();
|
||
|
||
/*
|
||
* Set the screen rotation
|
||
* Also resets the clip window and clears the screen with current background color
|
||
*
|
||
* Params:
|
||
* rot: 0~3; screen rotation; use defined rotation constants:
|
||
* PORTRAIT, LANDSCAPE, PORTRAIT_FLIP, LANDSCAPE_FLIP
|
||
*
|
||
*/
|
||
//--------------------------------
|
||
void mgos_ili9341_setRotation(uint8_t rot);
|
||
|
||
/*
|
||
* Set inverted/normal colors
|
||
*
|
||
* Params:
|
||
* mode: 0 or 1; use defined constants: INVERT_ON or INVERT_OFF
|
||
*
|
||
*/
|
||
//-----------------------------------------
|
||
void mgos_ili9341_invertDisplay(const uint8_t mode);
|
||
|
||
/*
|
||
* Select gamma curve
|
||
* Params:
|
||
* gamma: gama curve, values 0~3
|
||
*/
|
||
//=================================
|
||
void mgos_ili9341_setGammaCurve(uint8_t gm);
|
||
|
||
/*
|
||
* Compare two color structures
|
||
* Returns 0 if equal, 1 if not equal
|
||
*
|
||
* Params:
|
||
* c1, c2: colors to be compared
|
||
*/
|
||
//---------------------------------------------
|
||
int mgos_ili9341_compare_colors(color_t c1, color_t c2);
|
||
|
||
/*
|
||
* returns the string width in pixels.
|
||
* Useful for positions strings on the screen.
|
||
*/
|
||
//--------------------------------
|
||
int mgos_ili9341_getStringWidth(const char* const str);
|
||
|
||
|
||
/*
|
||
* Fills the rectangle occupied by string with current background color
|
||
*/
|
||
void mgos_ili9341_clearStringRect(int x, int y, char *str);
|
||
|
||
/*
|
||
* Converts the components of a color, as specified by the HSB model,
|
||
* to an equivalent set of values for the default RGB model.
|
||
|
||
* The color structure that is returned by HSBtoRGB encodes the value of a color as R, G & B component
|
||
*
|
||
* Params:
|
||
* _hue: float; any number, the floor of this number is subtracted from it to create a fraction between 0 and 1.
|
||
* This fractional number is then multiplied by 360 to produce the hue angle in the HSB color model.
|
||
* _sat: float; 0 ~ 1.0
|
||
* _brightness: float; 0 ~ 1.0
|
||
*
|
||
*/
|
||
//----------------------------------------------------------
|
||
color_t HSBtoRGB(float _hue, float _sat, float _brightness);
|
||
|
||
/* Draw PNG at coords x,y */
|
||
int mgos_ili9341_png(int x, int y, char *fname);
|
||
|
||
/*
|
||
* Compile font c source file to .fnt file
|
||
* which can be used in mgos_ili9341_setFont() function to select external font
|
||
* Created file have the same name as source file and extension .fnt
|
||
*
|
||
* Params:
|
||
* fontfile: pointer to c source font file name; must have .c extension
|
||
* dbg: if set to 1, prints debug information
|
||
*
|
||
* Returns:
|
||
* 0 on success
|
||
* err no on error
|
||
*
|
||
*/
|
||
//------------------------------------------------
|
||
int compile_font_file(char *fontfile, uint8_t dbg);
|
||
|
||
/*
|
||
* Get all font's characters to buffer
|
||
*/
|
||
void getFontCharacters(uint8_t *buf);
|
||
|
||
|
||
/**
|
||
* @brief Set foreground color
|
||
*/
|
||
void mgos_ili9341_set_fg(const color_t *color);
|
||
void mgos_ili9341_set_bg(const color_t *color);
|
||
|
||
/**
|
||
* @brief Get foreground color
|
||
*/
|
||
color_t *mgos_ili9341_get_fg(void);
|
||
color_t *mgos_ili9341_get_bg(void);
|
||
|
||
/**
|
||
* @brief MGOS lib init
|
||
*/
|
||
bool mgos_ili9341_init(void);
|
||
|
||
|
||
#endif
|