Mohsen Samadani / EALib

A library with drivers for different peripherals on the LPC4088 QuickStart Board or related add-on boards.

Dependencies:   FATFileSystem

Fork of EALib by EmbeddedArtists AB

GFXFb.h@21:5ac242986175, 2017-05-22 (annotated)

Committer:
msamadani
Date:
Mon May 22 19:58:24 2017 +0000
Revision:
21:5ac242986175
Parent:
12:15597e45eea0 
Working version of the library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 12:15597e45eea0 1 /*
embeddedartists 12:15597e45eea0 2 * Copyright 2013 Embedded Artists AB
embeddedartists 12:15597e45eea0 3 *
embeddedartists 12:15597e45eea0 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 12:15597e45eea0 5 * you may not use this file except in compliance with the License.
embeddedartists 12:15597e45eea0 6 * You may obtain a copy of the License at
embeddedartists 12:15597e45eea0 7 *
embeddedartists 12:15597e45eea0 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 12:15597e45eea0 9 *
embeddedartists 12:15597e45eea0 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 12:15597e45eea0 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 12:15597e45eea0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 12:15597e45eea0 13 * See the License for the specific language governing permissions and
embeddedartists 12:15597e45eea0 14 * limitations under the License.
embeddedartists 12:15597e45eea0 15 */
embeddedartists 0:0fdadbc3d852 16
embeddedartists 0:0fdadbc3d852 17 #ifndef GFXFB_H
embeddedartists 0:0fdadbc3d852 18 #define GFXFB_H
embeddedartists 0:0fdadbc3d852 19
embeddedartists 0:0fdadbc3d852 20 #include "Adafruit_GFX.h"
embeddedartists 0:0fdadbc3d852 21
embeddedartists 0:0fdadbc3d852 22 #define BLACK 0x0000
embeddedartists 0:0fdadbc3d852 23 /* Light gray color, 565 mode */
embeddedartists 0:0fdadbc3d852 24 #define LIGHTGRAY 0X7BEF
embeddedartists 0:0fdadbc3d852 25 /* Dark gray color, 565 mode */
embeddedartists 0:0fdadbc3d852 26 #define DARKGRAY 0x39E7
embeddedartists 0:0fdadbc3d852 27 /* White color, 565 mode */
embeddedartists 0:0fdadbc3d852 28 #define WHITE 0xffff
embeddedartists 0:0fdadbc3d852 29 /* Red color, 565 mode */
embeddedartists 0:0fdadbc3d852 30 #define RED 0xF800
embeddedartists 0:0fdadbc3d852 31 /* Green color, 565 mode */
embeddedartists 0:0fdadbc3d852 32 #define GREEN 0x07E0
embeddedartists 0:0fdadbc3d852 33 /* Blue color, 565 mode */
embeddedartists 0:0fdadbc3d852 34 #define BLUE 0x001F
embeddedartists 0:0fdadbc3d852 35 /* Magenta color, 565 mode */
embeddedartists 0:0fdadbc3d852 36 #define MAGENTA (RED | BLUE)
embeddedartists 0:0fdadbc3d852 37 /* Cyan color, 565 mode */
embeddedartists 0:0fdadbc3d852 38 #define CYAN (GREEN | BLUE)
embeddedartists 0:0fdadbc3d852 39 /* Yellow color, 565 mode */
embeddedartists 0:0fdadbc3d852 40 #define YELLOW (RED | GREEN)
embeddedartists 0:0fdadbc3d852 41 /* Light red color, 565 mode */
embeddedartists 0:0fdadbc3d852 42 #define LIGHTRED 0x7800
embeddedartists 0:0fdadbc3d852 43 /* Light green color, 565 mode */
embeddedartists 0:0fdadbc3d852 44 #define LIGHTGREEN 0x03E0
embeddedartists 0:0fdadbc3d852 45 /* Light blue color, 565 mode */
embeddedartists 0:0fdadbc3d852 46 #define LIGHTBLUE 0x000F
embeddedartists 0:0fdadbc3d852 47 /* Light magenta color, 565 mode */
embeddedartists 0:0fdadbc3d852 48 #define LIGHTMAGENTA (LIGHTRED | LIGHTBLUE)
embeddedartists 0:0fdadbc3d852 49 /* Light cyan color, 565 mode */
embeddedartists 0:0fdadbc3d852 50 #define LIGHTCYAN (LIGHTGREEN | LIGHTBLUE)
embeddedartists 0:0fdadbc3d852 51 /* Light yellow color, 565 mode */
embeddedartists 0:0fdadbc3d852 52 #define LIGHTYELLOW (LIGHTRED | LIGHTGREEN)
embeddedartists 0:0fdadbc3d852 53
embeddedartists 0:0fdadbc3d852 54 /**
embeddedartists 0:0fdadbc3d852 55 * Graphical library based on Adafruit's GFX using a Frame buffer.
embeddedartists 0:0fdadbc3d852 56 */
embeddedartists 0:0fdadbc3d852 57 class GFXFb : public Adafruit_GFX {
embeddedartists 0:0fdadbc3d852 58 public:
embeddedartists 0:0fdadbc3d852 59
embeddedartists 0:0fdadbc3d852 60 /** Create an interface to the GFX graphical library
embeddedartists 0:0fdadbc3d852 61 *
embeddedartists 0:0fdadbc3d852 62 * @param w width of the display
embeddedartists 0:0fdadbc3d852 63 * @param h height of the display
embeddedartists 0:0fdadbc3d852 64 * @param fb frame buffer that will be used by the graphical library. Can
embeddedartists 0:0fdadbc3d852 65 * be set by calling setFb instead.
embeddedartists 0:0fdadbc3d852 66 */
embeddedartists 0:0fdadbc3d852 67 GFXFb(uint16_t w, uint16_t h, uint16_t* fb = 0);
embeddedartists 0:0fdadbc3d852 68
embeddedartists 0:0fdadbc3d852 69 virtual void drawPixel(int16_t x, int16_t y, uint16_t color);
embeddedartists 0:0fdadbc3d852 70 virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
embeddedartists 0:0fdadbc3d852 71 virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
embeddedartists 0:0fdadbc3d852 72 virtual void fillScreen(uint16_t color);
embeddedartists 0:0fdadbc3d852 73
embeddedartists 0:0fdadbc3d852 74 /** Associate a frame buffer with the graphical library.
embeddedartists 0:0fdadbc3d852 75 * All drawing requests will be performed on the frame buffer.
embeddedartists 0:0fdadbc3d852 76 *
embeddedartists 0:0fdadbc3d852 77 * @param fb frame buffer that will be used by the graphical library
embeddedartists 0:0fdadbc3d852 78 */
embeddedartists 0:0fdadbc3d852 79 void setFb(uint16_t* fb) {_fb = fb;}
embeddedartists 0:0fdadbc3d852 80
embeddedartists 0:0fdadbc3d852 81 /** Get the frame buffer associated with the graphical library.
embeddedartists 0:0fdadbc3d852 82 *
embeddedartists 0:0fdadbc3d852 83 * @returns the frame buffer associated with the graphical library.
embeddedartists 0:0fdadbc3d852 84 */
embeddedartists 0:0fdadbc3d852 85 uint16_t* getFb() {return _fb;}
embeddedartists 0:0fdadbc3d852 86
embeddedartists 0:0fdadbc3d852 87 /** Write a null-terminated string
embeddedartists 0:0fdadbc3d852 88 *
embeddedartists 0:0fdadbc3d852 89 * @param s the string to write on the display
embeddedartists 0:0fdadbc3d852 90 */
embeddedartists 0:0fdadbc3d852 91 void writeString(const char* s);
embeddedartists 0:0fdadbc3d852 92
embeddedartists 0:0fdadbc3d852 93 /** Get the width in pixels of the given string.
embeddedartists 0:0fdadbc3d852 94 *
embeddedartists 0:0fdadbc3d852 95 * @param s width will be calculated on this string
embeddedartists 0:0fdadbc3d852 96 * @returns the width in pixels of the string
embeddedartists 0:0fdadbc3d852 97 */
embeddedartists 0:0fdadbc3d852 98 int16_t getStringWidth(const char* s);
embeddedartists 0:0fdadbc3d852 99
embeddedartists 0:0fdadbc3d852 100 /** Get the height in pixels of the given string.
embeddedartists 0:0fdadbc3d852 101 *
embeddedartists 0:0fdadbc3d852 102 * @param s height will be calculated on this string
embeddedartists 0:0fdadbc3d852 103 * @returns the height in pixels of the string
embeddedartists 0:0fdadbc3d852 104 */
embeddedartists 0:0fdadbc3d852 105 int16_t getStringHeight(const char* s);
embeddedartists 0:0fdadbc3d852 106
embeddedartists 0:0fdadbc3d852 107
embeddedartists 0:0fdadbc3d852 108 private:
embeddedartists 0:0fdadbc3d852 109
embeddedartists 0:0fdadbc3d852 110 uint16_t* _fb;
embeddedartists 0:0fdadbc3d852 111 };
embeddedartists 0:0fdadbc3d852 112
embeddedartists 0:0fdadbc3d852 113 #endif
embeddedartists 0:0fdadbc3d852 114
embeddedartists 0:0fdadbc3d852 115