Mirrors/MicroView-Arduino-Library
2
0
Fork 0
mirror of https://github.com/geekammo/MicroView-Arduino-Library.git synced 2026-02-20 03:21:30 +01:00
Code Issues Packages Projects Releases Wiki Activity

added other fonts support

Browse Source
This commit is contained in:
JP
2014-01-30 11:24:23 +11:00
parent 2fab8fe34a
commit 4bf55ff5a7
3 changed files with 171 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
MicroView.cpp
View File

@@ -5,8 +5,9 @@
// Change to add fonts
#include <font5x7.h>
#include <font8x16.h>
#define TOTALFONTS 2
const unsigned char *MICROVIEW::fontsPointer[]={font5x7,font8x16};
#include <fontlargenumber.h>
#define TOTALFONTS 3
const unsigned char *MICROVIEW::fontsPointer[]={font5x7,font8x16,fontlargenumber};
// Change to add fonts
@@ -448,7 +449,7 @@ size_t MICROVIEW::write(uint8_t c) {
void MICROVIEW::drawChar(uint8_t x, uint8_t y, uint8_t c, uint8_t color, uint8_t mode) {
//void MICROVIEW::drawChar(uint8_t x, uint8_t line, uint8_t c, uint8_t mode) {
uint8_t rowsToDraw,row;
uint8_t rowsToDraw,row, tempC;
uint8_t i,j,tempX;
uint16_t charPerBitmapRow,charColPositionOnBitmap,charRowPositionOnBitmap,charBitmapStartPosition;
// TODO - char must be able to be drawn anywhere, not limited by line
@@ -457,18 +458,23 @@ size_t MICROVIEW::write(uint8_t c) {
//if ((line >= LCDHEIGHT/fontHeight) || (x > (LCDWIDTH - fontWidth)))
//return;
if ((c<fontStartChar) || (c>(fontStartChar+fontTotalChar-1))) // no bitmap for the required c
return;
tempC=c-fontStartChar;
tempX=x;
// each row (in datasheet is call page) is 8 bits high, 16 bit high character will have 2 rows to be drawn
rowsToDraw=fontHeight/8; // 8 is LCD's page size, see SSD1306 datasheet
if (rowsToDraw<=1) rowsToDraw=1;
// can draw anywhere on the screen, but SLOW pixel by pixel draw
// the following draw function can draw anywhere on the screen, but SLOW pixel by pixel draw
if (rowsToDraw==1) {
for (i=0;i<fontWidth+1;i++) {
if (i==fontWidth) // this is done in a weird way because for 5x7 font, there is no margin, this code add a margin after col 5
tempX=0;
else
tempX=pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(c*fontWidth)+i);
tempX=pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(tempC*fontWidth)+i);
for (j=0;j<8;j++) { // 8 is the LCD's page height (see datasheet for explanation)
if (tempX & 0x1) {
@@ -484,12 +490,11 @@ size_t MICROVIEW::write(uint8_t c) {
return;
}
// font height over 8 bit
// take character "0" ASCII 48 as example
charPerBitmapRow=fontMapWidth/fontWidth; // 256/8 =32 char per row
charColPositionOnBitmap=c % charPerBitmapRow; // =16
charRowPositionOnBitmap=int(c/charPerBitmapRow); // =1
charColPositionOnBitmap=tempC % charPerBitmapRow; // =16
charRowPositionOnBitmap=int(tempC/charPerBitmapRow); // =1
charBitmapStartPosition=(charRowPositionOnBitmap * fontMapWidth * (fontHeight/8)) + (charColPositionOnBitmap * fontWidth) ;
// each row on LCD is 8 bit height (see datasheet for explanation)