153 lines
5.0 KiB
C
153 lines
5.0 KiB
C
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/**
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* @defgroup tft TFT
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* The TFT Modul provides access to the display
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*/
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/**
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* @addtogroup tft
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*/
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/*@{*/
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#include<stdbool.h>
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#include<stdint.h>
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/**
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* Creates a 16bit color from 8bit * 3 colors (r,g,b)
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* @return
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*/
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#define RGB(r,g,b) ((((r) & 0xF8) << 8) | (((g) & 0xFC) << 3) | (((b) & 0xF8) >> 3))
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#define RED RGB(255,0,0)
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#define GREEN RGB(0,255,0)
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#define BLUE RGB(0,0,255)
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#define WHITE RGB(255,255,255)
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#define BLACK RGB(0,0,0)
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/**
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* Creates a 16bit color from a 24bit hex rgb color code
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* @return
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*/
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#define HEX(h) (RGB(((h)>>16),((h)>>8),(h)))
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/**
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* Transparent color
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* @return
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*/
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#define TRANSPARENT ((uint16_t)0x80C2)
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/**
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* Initializes the display. Call this method before using any tft_* functions
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* @return true on success
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*/
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bool tft_init();
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/**
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* Clears the entire display with the given color. Overpaints everything which was there before.
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* @param color The 16-bit color to clear the display with.
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*/
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void tft_clear(uint16_t color);
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/**
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* Draws a line onto the display. The pixels specified by start/end point are inclusive!
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* @param x1 The x-Coordinate of the start-point
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* @param y1 The y-Coordinate of the start-point
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* @param x2 The x-Coordinate of the end-point
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* @param y2 The y-Coordinate of the end-point
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* @param color The 16-bit color to draw the line with
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*/
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void tft_draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color);
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/**
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* Draws a pixel onto the display.
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* @param x The x-Coordinate of the pixel
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* @param y The y-Coordinate of the pixel
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* @param The 16-bit color to draw the pixel with
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*/
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void tft_draw_pixel(uint16_t x,uint16_t y,uint16_t color);
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/**
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* Draws the outline of a rectangle onto the display. The outline is one pixel wide and goes through the specified start and endpoint.
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* @param x1 The x-Coordinate of the start-point
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* @param y1 The y-Coordinate of the start-point
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* @param x2 The x-Coordinate of the end-point
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* @param y2 The y-Coordinate of the end-point
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* @param The 16-bit color to draw the pixel with
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*/
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void tft_draw_rectangle(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2, uint16_t color);
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/**
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* Draws a filled rectangle onto the display. The start,end points are inclusive
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* @param x1 The x-Coordinate of the start-point
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* @param y1 The y-Coordinate of the start-point
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* @param x2 The x-Coordinate of the end-point
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* @param y2 The y-Coordinate of the end-point
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* @param The 16-bit color to draw the pixel with
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*/
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void tft_fill_rectangle(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2, uint16_t color);
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/**
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* Draws a bitmap onto the display without scaling/cropping. The bitmap must be provided as an array of 16-bit colors
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* @param x The x-coordinate of the top-left corner to draw the bitmap at
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* @param y The y-coordinate of the top-left corner to draw the bitmap at
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* @param width The width of the bitmap in pixels
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* @param height The height of the bitmap in pixels
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* @param dat A pointer to a uint16_t array containing the colors for each pixel. Starting in the topleft and going from left to right, line by line.
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*/
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void tft_draw_bitmap_unscaled(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint16_t* dat);
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/**
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* Draws the outline of a circle onto the display
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* @param x The x-Coordinate of the center point
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* @param y The y-Coordinate of the center point
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* @param r The Radius in Pixels
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* @param color The 16-Bit color to draw the circle with
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*/
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void tft_draw_circle(uint16_t x, uint16_t y, uint16_t r, uint16_t color);
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/**
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* Queries the number of available fonts
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* @return
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*/
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uint8_t tft_num_fonts();
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/**
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* Get the height of a font
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* @param fontnum The number of the font, from 0 .. (num_fonts -1)
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* @return The height in pixel
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*/
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uint8_t tft_font_height(uint8_t fontnum);
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/**
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* Get the width of a font
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* @param fontnum The number of the font, from 0 .. (num_fonts -1)
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* @return The width in pixel
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*/
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uint8_t tft_font_width(uint8_t fontnum);
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/**
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* Prints a unformatted/preformatted string onto the display
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* @param x The x-Coordinate of the Top-Left corner where the text should be drawn
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* @param y The y-Coordinate of the Top-Left corner where the text should be drawn
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* @param color The 16-bit foreground color of the text
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* @param bgcolor The 16-bit background color of the text. You may pass TRANSPARENT as Color
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* @param font The Fontnum to use for drawing
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* @param text The text to draw
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*/
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void tft_print_line(uint16_t x, uint16_t y, uint16_t color, uint16_t bgcolor, uint8_t font, const char* text);
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/**
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* Prints a formatted text (like printf) onto the display
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* @param x The x-Coordinate of the Top-Left corner where the text should be drawn
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* @param y The y-Coordinate of the Top-Left corner where the text should be drawn
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* @param color The 16-bit foreground color of the text
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* @param bgcolor The 16-bit background color of the text. You may pass TRANSPARENT as Color
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* @param font The Fontnum to use for drawing
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* @param format The format string (like printf)
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*/
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void tft_print_formatted(uint16_t x, uint16_t y, uint16_t color, uint16_t bgcolor, uint8_t font, const char* format, ...);
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/*@}*/
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