diff options
Diffstat (limited to 'tools/convpic/tiff.c')
| -rw-r--r-- | tools/convpic/tiff.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/tools/convpic/tiff.c b/tools/convpic/tiff.c deleted file mode 100644 index 4b8bf0e..0000000 --- a/tools/convpic/tiff.c +++ /dev/null @@ -1,201 +0,0 @@ -/** - * GraphLCD plugin for the Video Disk Recorder - * - * tiff.c - tiff logo class - * - * (c) 2004 Andreas Brachold <vdr04 AT deltab de> - * (c) 2001-2004 Carsten Siebholz <c.siebholz AT t-online de> - **/ - -/*************************************************************************** - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * 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. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; * - * if not, write to the Free Software Foundation, Inc., * - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * - * * - ***************************************************************************/ - -#include <stdio.h> -#include <string.h> - -#include <string> - -#include <glcdgraphics/bitmap.h> -#include <glcdgraphics/image.h> - -#include "tiff.h" - - -#pragma pack(1) -typedef struct TIFFT{ - unsigned short tag; - unsigned short type; - unsigned long length; - /* 1 = BYTE. 8-bit unsigned integer. */ - /* 2 = ASCII. 8-bit bytes that store ASCII codes; the last byte must be null. */ - /* 3 = SHORT. A 16-bit (2-byte) unsigned integer. */ - /* 4 = LONG. A 32-bit (4-byte) unsigned integer. */ - /* 5 = RATIONAL. Two LONGs: the first represents the numerator of a fraction, the second the denominator. */ - unsigned long off_val; -} TIFFTAG; -#pragma pack() - -#define GETANDCHECK { t=fgetc(fIN);if(t==EOF) {fclose(fIN);return false;};} - -cTIFFFile::cTIFFFile() -{ -} - -cTIFFFile::~cTIFFFile() -{ -} - -bool cTIFFFile::Load(GLCD::cImage & image, const std::string & fileName) -{ - FILE *fIN; - TIFFTAG tifftag; - unsigned int tiff_header, tiff_anztags, tiff_data; - unsigned char cl,ch,y,i; - unsigned char height, width, strip, invert; - unsigned char fLittleEndian=0; - int j; - int t; - unsigned char *bitmap = NULL; - bool bInvert = false; - - if (fileName.length() > 0) - { - fIN = fopen(fileName.c_str(), "rb"); - if (fIN) - { - // isyslog("graphlcd plugin: try to load logo %s.", szFileName); - if (fseek(fIN, 0, SEEK_SET)==EOF) - { - fclose(fIN); - return false; - } - GETANDCHECK; cl=(unsigned char)t; - GETANDCHECK; ch=(unsigned char)t; - if ((cl==0x49) && (ch==0x49)) - { - fLittleEndian=1; - } - - if (fseek(fIN, 4, SEEK_SET)==EOF) - { - fclose(fIN); - return false; - } - GETANDCHECK; cl=(unsigned char)t; - GETANDCHECK; ch=(unsigned char)t; - tiff_header = cl+256*ch; - //printf("tiff_header:%d %x\n", tiff_header, tiff_header); - - if (fseek(fIN, tiff_header, SEEK_SET)==EOF) - { - fclose(fIN); - return false; - } - - GETANDCHECK; cl=(unsigned char)t; - GETANDCHECK; ch=(unsigned char)t; - tiff_anztags = cl+256*ch; - //printf("tiff_anztags:%d %x\n", tiff_anztags, tiff_anztags); - - height=0; - width=0; - strip=0; - invert=0; - for (i=0; (i<tiff_anztags)&&(!height||!width||!strip||!invert); i++) - { - if (fread(&tifftag, sizeof(tifftag), 1, fIN)!=1) - { - fclose(fIN); - return false; - } - if (tifftag.tag==0x0100) width=tifftag.off_val; - if (tifftag.tag==0x0101) height=tifftag.off_val; - if (tifftag.tag==0x0111) strip=tifftag.off_val; - if (tifftag.tag==0x0106) invert=tifftag.off_val+1; - //printf("tag%d: %d %d %ld %ld\n", i,tifftag.tag, tifftag.type, tifftag.length, tifftag.off_val ); - } - - if (fseek(fIN,strip, SEEK_SET)==EOF) - { - fclose(fIN); - return false; - } - GETANDCHECK; cl=(unsigned char)t; - GETANDCHECK; ch=(unsigned char)t; - tiff_data = cl+256*ch; - //printf("tiff_data:%d %x\n", tiff_data, tiff_data); - - if (fseek(fIN, tiff_data, SEEK_SET)==EOF) - { - fclose(fIN); - return false; - } - - - image.Clear(); - image.SetWidth(width); - image.SetHeight(height); - image.SetDelay(100); - bitmap = new unsigned char[height * ((width + 7) / 8)]; - if (bitmap) - { - if (fread(bitmap, height*((width+7)/8), 1, fIN)!=1) - { - delete [] bitmap; - fclose(fIN); - image.Clear(); - return false; - } - - if (invert-1==1) bInvert = !bInvert; // 'Black is zero' - if (bInvert) - { - for (j=0; j < height * ((width+7)/8); j++) - { - (*(bitmap+j)) = (*(bitmap+j))^0xff; - } - } - - // cut the rest of the line - if (width%8) - { - for (y=1; y<=height; y++) { - j=y*((width+7)/8)-1; - (*(bitmap+j)) = ((*(bitmap+j))>>(8-width%8))<<(8-width%8); - } - } - image.AddBitmap(new GLCD::cBitmap(width, height, bitmap)); - } - else - { - fprintf(stderr, "ERROR: cannot allocate memory\n"); - } - fclose(fIN); - } - else - { - fprintf(stderr, "ERROR: cannot open picture %s\n", fileName.c_str()); - } - } - else - { - fprintf(stderr, "ERROR: no szFileName given!\n"); - } - return true; -} |