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