David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

GraphicsDisplay.h@29:422616aa04bd, 2014-01-19 (annotated)

Committer:
WiredHome
Date:
Sun Jan 19 04:24:16 2014 +0000
Revision:
29:422616aa04bd
Parent:
19:3f82c1161fd2
Child:
31:c72e12cd5c67
Initial support for soft fonts compatible with mikroe font creator.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:de9d1462a835 1 /* mbed GraphicsDisplay Display Library Base Class
dreschpe 0:de9d1462a835 2 * Copyright (c) 2007-2009 sford
dreschpe 0:de9d1462a835 3 * Released under the MIT License: http://mbed.org/license/mit
dreschpe 0:de9d1462a835 4 *
dreschpe 0:de9d1462a835 5 * A library for providing a common base class for Graphics displays
dreschpe 0:de9d1462a835 6 * To port a new display, derive from this class and implement
dreschpe 0:de9d1462a835 7 * the constructor (setup the display), pixel (put a pixel
dreschpe 0:de9d1462a835 8 * at a location), width and height functions. Everything else
dreschpe 0:de9d1462a835 9 * (locate, printf, putc, cls, window, putp, fill, blit, blitbit)
dreschpe 0:de9d1462a835 10 * will come for free. You can also provide a specialised implementation
dreschpe 0:de9d1462a835 11 * of window and putp to speed up the results
dreschpe 0:de9d1462a835 12 */
dreschpe 0:de9d1462a835 13
dreschpe 0:de9d1462a835 14 #ifndef MBED_GRAPHICSDISPLAY_H
dreschpe 0:de9d1462a835 15 #define MBED_GRAPHICSDISPLAY_H
dreschpe 0:de9d1462a835 16
dreschpe 0:de9d1462a835 17 #include "TextDisplay.h"
dreschpe 0:de9d1462a835 18
dreschpe 0:de9d1462a835 19 class GraphicsDisplay : public TextDisplay {
dreschpe 0:de9d1462a835 20
dreschpe 0:de9d1462a835 21 public:
dreschpe 0:de9d1462a835 22
dreschpe 0:de9d1462a835 23 GraphicsDisplay(const char* name);
dreschpe 0:de9d1462a835 24
WiredHome 19:3f82c1161fd2 25 virtual RetCode_t pixel(unsigned int x, unsigned int y, color_t colour) = 0;
dreschpe 0:de9d1462a835 26 virtual int width() = 0;
dreschpe 0:de9d1462a835 27 virtual int height() = 0;
dreschpe 0:de9d1462a835 28
dreschpe 11:9bb71766cafc 29 virtual void window(unsigned int x,unsigned int y,unsigned int w,unsigned int h);
dreschpe 0:de9d1462a835 30 virtual void putp(int colour);
dreschpe 0:de9d1462a835 31
WiredHome 19:3f82c1161fd2 32 virtual RetCode_t cls();
dreschpe 0:de9d1462a835 33 virtual void fill(int x, int y, int w, int h, int colour);
WiredHome 29:422616aa04bd 34 virtual void blit(int x, int y, int w, int h, const int * colour);
WiredHome 29:422616aa04bd 35
WiredHome 29:422616aa04bd 36 virtual int blitbit(int x, int y, int w, int h, const char * colour);
dreschpe 0:de9d1462a835 37
WiredHome 29:422616aa04bd 38 /// This method transfers one character from the external font data
WiredHome 29:422616aa04bd 39 /// to the screen.
WiredHome 29:422616aa04bd 40 ///
WiredHome 29:422616aa04bd 41 /// @note the font data is in a special format as generate by
WiredHome 29:422616aa04bd 42 /// the mikroe font creator. \\
WiredHome 29:422616aa04bd 43 /// See http://www.mikroe.com/glcd-font-creator/
WiredHome 29:422616aa04bd 44 ///
WiredHome 29:422616aa04bd 45 /// @param x is the horizontal pixel coordinate
WiredHome 29:422616aa04bd 46 /// @param y is the vertical pixel coordinate
WiredHome 29:422616aa04bd 47 /// @param fontTable is the base of the table which has the metrics
WiredHome 29:422616aa04bd 48 /// @param fontChar is the start of that record in the table for the char (e.g. 'A' - 'Z')
WiredHome 29:422616aa04bd 49 /// @returns how far the cursor should advance to the right in pixels
WiredHome 29:422616aa04bd 50 ///
WiredHome 29:422616aa04bd 51 virtual int fontblit(int x, int y, const unsigned char * fontTable, const unsigned char * fontChar);
WiredHome 29:422616aa04bd 52
WiredHome 29:422616aa04bd 53 /// prints one character at the specified coordinates.
WiredHome 29:422616aa04bd 54 ///
WiredHome 29:422616aa04bd 55 /// This will print the character at the specified pixel coordinates.
WiredHome 29:422616aa04bd 56 ///
WiredHome 29:422616aa04bd 57 /// @param x is the horizontal offset in pixels.
WiredHome 29:422616aa04bd 58 /// @param y is the vertical offset in pixels.
WiredHome 29:422616aa04bd 59 /// @param value is the character to print.
WiredHome 29:422616aa04bd 60 /// @returns number of pixels to index to the right if a character was printed, 0 otherwise.
WiredHome 29:422616aa04bd 61 ///
WiredHome 29:422616aa04bd 62 virtual int character(int x, int y, int value);
WiredHome 29:422616aa04bd 63
dreschpe 0:de9d1462a835 64 virtual int columns();
dreschpe 0:de9d1462a835 65 virtual int rows();
WiredHome 29:422616aa04bd 66 virtual RetCode_t set_font(const unsigned char * font = NULL);
dreschpe 0:de9d1462a835 67
dreschpe 0:de9d1462a835 68 protected:
WiredHome 29:422616aa04bd 69 const unsigned char * font; ///< reference to an external font somewhere in memory
WiredHome 29:422616aa04bd 70
dreschpe 0:de9d1462a835 71 // pixel location
dreschpe 0:de9d1462a835 72 short _x;
dreschpe 0:de9d1462a835 73 short _y;
dreschpe 0:de9d1462a835 74
dreschpe 0:de9d1462a835 75 // window location
dreschpe 0:de9d1462a835 76 short _x1;
dreschpe 0:de9d1462a835 77 short _x2;
dreschpe 0:de9d1462a835 78 short _y1;
dreschpe 0:de9d1462a835 79 short _y2;
dreschpe 0:de9d1462a835 80 };
dreschpe 0:de9d1462a835 81
dreschpe 0:de9d1462a835 82 #endif