IONX / EALib

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GFXFb.h@0:0fdadbc3d852, 2013-09-26 (annotated)

Committer:
embeddedartists
Date:
Thu Sep 26 06:37:02 2013 +0000
Revision:
0:0fdadbc3d852
Child:
12:15597e45eea0
First version

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embeddedartists 0:0fdadbc3d852 1
embeddedartists 0:0fdadbc3d852 2 #ifndef GFXFB_H
embeddedartists 0:0fdadbc3d852 3 #define GFXFB_H
embeddedartists 0:0fdadbc3d852 4
embeddedartists 0:0fdadbc3d852 5 #include "Adafruit_GFX.h"
embeddedartists 0:0fdadbc3d852 6
embeddedartists 0:0fdadbc3d852 7 #define BLACK 0x0000
embeddedartists 0:0fdadbc3d852 8 /* Light gray color, 565 mode */
embeddedartists 0:0fdadbc3d852 9 #define LIGHTGRAY 0X7BEF
embeddedartists 0:0fdadbc3d852 10 /* Dark gray color, 565 mode */
embeddedartists 0:0fdadbc3d852 11 #define DARKGRAY 0x39E7
embeddedartists 0:0fdadbc3d852 12 /* White color, 565 mode */
embeddedartists 0:0fdadbc3d852 13 #define WHITE 0xffff
embeddedartists 0:0fdadbc3d852 14 /* Red color, 565 mode */
embeddedartists 0:0fdadbc3d852 15 #define RED 0xF800
embeddedartists 0:0fdadbc3d852 16 /* Green color, 565 mode */
embeddedartists 0:0fdadbc3d852 17 #define GREEN 0x07E0
embeddedartists 0:0fdadbc3d852 18 /* Blue color, 565 mode */
embeddedartists 0:0fdadbc3d852 19 #define BLUE 0x001F
embeddedartists 0:0fdadbc3d852 20 /* Magenta color, 565 mode */
embeddedartists 0:0fdadbc3d852 21 #define MAGENTA (RED | BLUE)
embeddedartists 0:0fdadbc3d852 22 /* Cyan color, 565 mode */
embeddedartists 0:0fdadbc3d852 23 #define CYAN (GREEN | BLUE)
embeddedartists 0:0fdadbc3d852 24 /* Yellow color, 565 mode */
embeddedartists 0:0fdadbc3d852 25 #define YELLOW (RED | GREEN)
embeddedartists 0:0fdadbc3d852 26 /* Light red color, 565 mode */
embeddedartists 0:0fdadbc3d852 27 #define LIGHTRED 0x7800
embeddedartists 0:0fdadbc3d852 28 /* Light green color, 565 mode */
embeddedartists 0:0fdadbc3d852 29 #define LIGHTGREEN 0x03E0
embeddedartists 0:0fdadbc3d852 30 /* Light blue color, 565 mode */
embeddedartists 0:0fdadbc3d852 31 #define LIGHTBLUE 0x000F
embeddedartists 0:0fdadbc3d852 32 /* Light magenta color, 565 mode */
embeddedartists 0:0fdadbc3d852 33 #define LIGHTMAGENTA (LIGHTRED | LIGHTBLUE)
embeddedartists 0:0fdadbc3d852 34 /* Light cyan color, 565 mode */
embeddedartists 0:0fdadbc3d852 35 #define LIGHTCYAN (LIGHTGREEN | LIGHTBLUE)
embeddedartists 0:0fdadbc3d852 36 /* Light yellow color, 565 mode */
embeddedartists 0:0fdadbc3d852 37 #define LIGHTYELLOW (LIGHTRED | LIGHTGREEN)
embeddedartists 0:0fdadbc3d852 38
embeddedartists 0:0fdadbc3d852 39 /**
embeddedartists 0:0fdadbc3d852 40 * Graphical library based on Adafruit's GFX using a Frame buffer.
embeddedartists 0:0fdadbc3d852 41 */
embeddedartists 0:0fdadbc3d852 42 class GFXFb : public Adafruit_GFX {
embeddedartists 0:0fdadbc3d852 43 public:
embeddedartists 0:0fdadbc3d852 44
embeddedartists 0:0fdadbc3d852 45 /** Create an interface to the GFX graphical library
embeddedartists 0:0fdadbc3d852 46 *
embeddedartists 0:0fdadbc3d852 47 * @param w width of the display
embeddedartists 0:0fdadbc3d852 48 * @param h height of the display
embeddedartists 0:0fdadbc3d852 49 * @param fb frame buffer that will be used by the graphical library. Can
embeddedartists 0:0fdadbc3d852 50 * be set by calling setFb instead.
embeddedartists 0:0fdadbc3d852 51 */
embeddedartists 0:0fdadbc3d852 52 GFXFb(uint16_t w, uint16_t h, uint16_t* fb = 0);
embeddedartists 0:0fdadbc3d852 53
embeddedartists 0:0fdadbc3d852 54 virtual void drawPixel(int16_t x, int16_t y, uint16_t color);
embeddedartists 0:0fdadbc3d852 55 virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
embeddedartists 0:0fdadbc3d852 56 virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
embeddedartists 0:0fdadbc3d852 57 virtual void fillScreen(uint16_t color);
embeddedartists 0:0fdadbc3d852 58
embeddedartists 0:0fdadbc3d852 59 /** Associate a frame buffer with the graphical library.
embeddedartists 0:0fdadbc3d852 60 * All drawing requests will be performed on the frame buffer.
embeddedartists 0:0fdadbc3d852 61 *
embeddedartists 0:0fdadbc3d852 62 * @param fb frame buffer that will be used by the graphical library
embeddedartists 0:0fdadbc3d852 63 */
embeddedartists 0:0fdadbc3d852 64 void setFb(uint16_t* fb) {_fb = fb;}
embeddedartists 0:0fdadbc3d852 65
embeddedartists 0:0fdadbc3d852 66 /** Get the frame buffer associated with the graphical library.
embeddedartists 0:0fdadbc3d852 67 *
embeddedartists 0:0fdadbc3d852 68 * @returns the frame buffer associated with the graphical library.
embeddedartists 0:0fdadbc3d852 69 */
embeddedartists 0:0fdadbc3d852 70 uint16_t* getFb() {return _fb;}
embeddedartists 0:0fdadbc3d852 71
embeddedartists 0:0fdadbc3d852 72 /** Write a null-terminated string
embeddedartists 0:0fdadbc3d852 73 *
embeddedartists 0:0fdadbc3d852 74 * @param s the string to write on the display
embeddedartists 0:0fdadbc3d852 75 */
embeddedartists 0:0fdadbc3d852 76 void writeString(const char* s);
embeddedartists 0:0fdadbc3d852 77
embeddedartists 0:0fdadbc3d852 78 /** Get the width in pixels of the given string.
embeddedartists 0:0fdadbc3d852 79 *
embeddedartists 0:0fdadbc3d852 80 * @param s width will be calculated on this string
embeddedartists 0:0fdadbc3d852 81 * @returns the width in pixels of the string
embeddedartists 0:0fdadbc3d852 82 */
embeddedartists 0:0fdadbc3d852 83 int16_t getStringWidth(const char* s);
embeddedartists 0:0fdadbc3d852 84
embeddedartists 0:0fdadbc3d852 85 /** Get the height in pixels of the given string.
embeddedartists 0:0fdadbc3d852 86 *
embeddedartists 0:0fdadbc3d852 87 * @param s height will be calculated on this string
embeddedartists 0:0fdadbc3d852 88 * @returns the height in pixels of the string
embeddedartists 0:0fdadbc3d852 89 */
embeddedartists 0:0fdadbc3d852 90 int16_t getStringHeight(const char* s);
embeddedartists 0:0fdadbc3d852 91
embeddedartists 0:0fdadbc3d852 92
embeddedartists 0:0fdadbc3d852 93 private:
embeddedartists 0:0fdadbc3d852 94
embeddedartists 0:0fdadbc3d852 95 uint16_t* _fb;
embeddedartists 0:0fdadbc3d852 96 };
embeddedartists 0:0fdadbc3d852 97
embeddedartists 0:0fdadbc3d852 98 #endif
embeddedartists 0:0fdadbc3d852 99
embeddedartists 0:0fdadbc3d852 100