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/**
* @file display_draw.h
* Provides functions for drawing to the display
*
* Copyright (C) 2018 Clyne Sullivan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef DISPLAY_DRAW_H_
#define DISPLAY_DRAW_H_
#include <stdint.h>
/**
* Starts the task for a blinking text cursor.
*/
void dsp_cursoron(void);
/**
* Sets the chosen pixel to the given color.
* @param x x-coord of the pixel
* @param y y-coord of the pixel
* @param color the color to use (5-6-5)
*/
void dsp_pixel(int x, int y, uint16_t color);
/**
* Draws a line between the two coordinates.
* @param x start x-coord
* @param y start y-coord
* @param i end x-coord
* @param j end y-coord
* @param color the color to use (5-6-5)
*/
void dsp_line(int x, int y, int i, int j, uint16_t color);
/**
* Draws a rectangle with the given dimensions.
* @param x top left x-coord
* @param y top left y-coord
* @param w width of the rectangle
* @param h height of the rectangle
* @param color the color to use (5-6-5)
*/
void dsp_rect(int x, int y, int w, int h, uint16_t color);
/**
* Sets the text cursor's position, in characters NOT pixels.
* @param x text column to move to
* @param y text row to move to
*/
void dsp_cpos(int x, int y);
/**
* Sets the pixel offset of the text cursor.
* @param x x-pixel offset from (0, 0)
* @param y y-pixel offset from (0, 0)
*/
void dsp_coff(int x, int y);
/**
* Puts a string to the screen. Text position if kept track of internally, so
* multiple calls will print the strings in one line.
* @param s the string to print
*/
void dsp_puts(const char *s);
#endif // DISPLAY_DRAW_H_
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