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[X9D] New font. BMP 1bit support. 12 chars model name. Main screen

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bsongis
2012-11-27 21:15:09 +00:00
parent 031bf5e3a1
commit ad8eb930da
30 changed files with 654 additions and 199 deletions
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src/bmp.cpp
+179
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/*
* Authors (alphabetical order)
* - Bertrand Songis <bsongis@gmail.com>
* - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
* - Cameron Weeks <th9xer@gmail.com>
* - Erez Raviv
* - Jean-Pierre Parisy
* - Karl Szmutny <shadow@privy.de>
* - Michael Blandford
* - Michal Hlavinka
* - Pat Mackenzie
* - Philip Moss
* - Rob Thomson
* - Romolo Manfredini <romolo.manfredini@gmail.com>
* - Thomas Husterer
*
* open9x is based on code named
* gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
* er9x by Erez Raviv: http://code.google.com/p/er9x/,
* and the original (and ongoing) project by
* Thomas Husterer, th9x: http://code.google.com/p/th9x/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include "open9x.h"
const pm_char * bmpLoad(uint8_t *dest, const char *filename)
{
FIL bmpFile;
UINT read;
uint8_t bmpBuf[64]; /* maximum with 64px for 1-bit bitmaps */
uint8_t *buf = &bmpBuf[0];
FRESULT result = f_open(&bmpFile, filename, FA_OPEN_EXISTING | FA_READ);
if (result != FR_OK) {
return SDCARD_ERROR(result);
}
if (f_size(&bmpFile) < 14) {
f_close(&bmpFile);
return STR_INCOMPATIBLE;
}
result = f_read(&bmpFile, buf, 14, &read);
if (result != FR_OK || read != 14) {
f_close(&bmpFile);
return SDCARD_ERROR(result);
}
if (buf[0] != 'B' || buf[1] != 'M') {
f_close(&bmpFile);
return STR_INCOMPATIBLE;
}
uint32_t fsize = *((uint32_t *)&buf[2]);
uint32_t hsize = *((uint32_t *)&buf[10]); /* header size */
uint32_t len = limit((uint32_t)0, (uint32_t)(hsize-14), (uint32_t)32);
result = f_read(&bmpFile, buf, len, &read);
if (result != FR_OK || read != len) {
f_close(&bmpFile);
return SDCARD_ERROR(result);
}
uint32_t ihsize = *((uint32_t *)&buf[0]); /* more header size */
/* invalid header size */
if (ihsize + 14 > hsize) {
f_close(&bmpFile);
return STR_INCOMPATIBLE;
}
/* sometimes file size is set to some headers size, set a real size in that case */
if (fsize == 14 || fsize == ihsize + 14)
fsize = f_size(&bmpFile) - 2;
/* declared file size less than header size */
if (fsize <= hsize) {
f_close(&bmpFile);
return STR_INCOMPATIBLE;
}
uint32_t width, height;
switch (ihsize){
case 40: // windib
case 56: // windib v3
case 64: // OS/2 v2
case 108: // windib v4
case 124: // windib v5
width = *((uint32_t *)&buf[4]);
height = *((uint32_t *)&buf[8]);
buf += 12;
break;
case 12: // OS/2 v1
width = *((uint16_t *)&buf[4]);
height = *((uint16_t *)&buf[6]);
buf += 8;
break;
default:
f_close(&bmpFile);
return STR_INCOMPATIBLE;
}
if (*((uint16_t *)&buf[0]) != 1) { /* planes */
f_close(&bmpFile);
return STR_INCOMPATIBLE;
}
if (width > 64 || height > 32) {
f_close(&bmpFile);
return STR_INCOMPATIBLE;
}
uint16_t depth = *((uint16_t *)&buf[2]);
if (f_lseek(&bmpFile, hsize) != FR_OK) {
f_close(&bmpFile);
return SDCARD_ERROR(result);
}
*dest++ = width;
*dest++ = height;
uint32_t n;
buf = &bmpBuf[0];
switch (depth) {
case 1:
n = width/8;
for (uint32_t i=0; i<height; i+=8) {
result = f_read(&bmpFile, buf, n*8, &read);
if (result != FR_OK || read != n*8) {
f_close(&bmpFile);
return SDCARD_ERROR(result);
}
for (uint32_t j=0; j<n; j++) {
*dest++ = (buf[j+0*n] >> 7) + ((buf[j+1*n] >> 7) << 1) + ((buf[j+2*n] >> 7) << 2) + ((buf[j+3*n] >> 7) << 3) + ((buf[j+4*n] >> 7) << 4) + ((buf[j+5*n] >> 7) << 5) + ((buf[j+6*n] >> 7) << 6) + ((buf[j+7*n] >> 7) << 7);
*dest++ = ((buf[j+0*n] >> 6) & 1) + (((buf[j+1*n] >> 6) & 1) << 1) + (((buf[j+2*n] >> 6) & 1) << 2) + (((buf[j+3*n] >> 6) & 1) << 3) + (((buf[j+4*n] >> 6) & 1) << 4) + (((buf[j+5*n] >> 6) & 1) << 5) + (((buf[j+6*n] >> 6) & 1) << 6) + (((buf[j+7*n] >> 6) & 1) << 7);
*dest++ = ((buf[j+0*n] >> 5) & 1) + (((buf[j+1*n] >> 5) & 1) << 1) + (((buf[j+2*n] >> 5) & 1) << 2) + (((buf[j+3*n] >> 5) & 1) << 3) + (((buf[j+4*n] >> 5) & 1) << 4) + (((buf[j+5*n] >> 5) & 1) << 5) + (((buf[j+6*n] >> 5) & 1) << 6) + (((buf[j+7*n] >> 5) & 1) << 7);
*dest++ = ((buf[j+0*n] >> 4) & 1) + (((buf[j+1*n] >> 4) & 1) << 1) + (((buf[j+2*n] >> 4) & 1) << 2) + (((buf[j+3*n] >> 4) & 1) << 3) + (((buf[j+4*n] >> 4) & 1) << 4) + (((buf[j+5*n] >> 4) & 1) << 5) + (((buf[j+6*n] >> 4) & 1) << 6) + (((buf[j+7*n] >> 4) & 1) << 7);
*dest++ = ((buf[j+0*n] >> 3) & 1) + (((buf[j+1*n] >> 3) & 1) << 1) + (((buf[j+2*n] >> 3) & 1) << 2) + (((buf[j+3*n] >> 3) & 1) << 3) + (((buf[j+4*n] >> 3) & 1) << 4) + (((buf[j+5*n] >> 3) & 1) << 5) + (((buf[j+6*n] >> 3) & 1) << 6) + (((buf[j+7*n] >> 3) & 1) << 7);
*dest++ = ((buf[j+0*n] >> 2) & 1) + (((buf[j+1*n] >> 2) & 1) << 1) + (((buf[j+2*n] >> 2) & 1) << 2) + (((buf[j+3*n] >> 2) & 1) << 3) + (((buf[j+4*n] >> 2) & 1) << 4) + (((buf[j+5*n] >> 2) & 1) << 5) + (((buf[j+6*n] >> 2) & 1) << 6) + (((buf[j+7*n] >> 2) & 1) << 7);
*dest++ = ((buf[j+0*n] >> 1) & 1) + (((buf[j+1*n] >> 1) & 1) << 1) + (((buf[j+2*n] >> 1) & 1) << 2) + (((buf[j+3*n] >> 1) & 1) << 3) + (((buf[j+4*n] >> 1) & 1) << 4) + (((buf[j+5*n] >> 1) & 1) << 5) + (((buf[j+6*n] >> 1) & 1) << 6) + (((buf[j+7*n] >> 1) & 1) << 7);
*dest++ = ((buf[j+0*n] >> 0) & 1) + (((buf[j+1*n] >> 0) & 1) << 1) + (((buf[j+2*n] >> 0) & 1) << 2) + (((buf[j+3*n] >> 0) & 1) << 3) + (((buf[j+4*n] >> 0) & 1) << 4) + (((buf[j+5*n] >> 0) & 1) << 5) + (((buf[j+6*n] >> 0) & 1) << 6) + (((buf[j+7*n] >> 0) & 1) << 7);
}
}
break;
/* case 4:
for (uint32_t i=0; i<height; i++) {
int j;
for (j = 0; j < n; j++){
ptr[j*2+0] = (buf[j] >> 4) & 0xF;
ptr[j*2+1] = buf[j] & 0xF;
}
buf += n;
ptr += linesize;
}
break;
*/
default:
f_close(&bmpFile);
return STR_INCOMPATIBLE;
}
f_close(&bmpFile);
return 0;
}