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/* |
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parse_image.c - Part of psiconv, a PSION 5 file formats converter |
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Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl> |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#include "config.h" |
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#include <stdlib.h> |
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|
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#include "data.h" |
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#include "parse_routines.h" |
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|
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int psiconv_parse_jumptable_section(const psiconv_buffer buf,int lev, |
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psiconv_u32 off, int *length, |
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psiconv_jumptable_section *result) |
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{ |
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int res = 0; |
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int len = 0; |
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psiconv_u32 listlen,temp; |
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int i; |
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|
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psiconv_progress(lev+1,off+len,"Going to read the jumptable section"); |
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(*result) = psiconv_list_new(sizeof(psiconv_u32)); |
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|
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psiconv_progress(lev+2,off+len,"Going to read the list length"); |
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listlen = psiconv_read_u32(buf,lev+2,off+len); |
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psiconv_debug(lev+2,off+len,"List length: %08x",listlen); |
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len += 4; |
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|
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psiconv_progress(lev+2,off+len,"Going to read the list"); |
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for (i = 0; i < listlen; i++) { |
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temp = psiconv_read_u32(buf,lev+2,off+len); |
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psiconv_list_add(*result,&temp); |
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psiconv_debug(lev+3,off+len,"Offset: %08x",temp); |
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len += 4; |
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} |
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|
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if (length) |
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*length = len; |
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|
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psiconv_progress(lev+1,off+len-1,"End of jumptable section " |
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"(total length: %08x)", len); |
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|
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return res; |
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} |
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|
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static int decode_byte(int lev, psiconv_u32 off, |
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psiconv_paint_data_section data, int *pixelnr, |
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psiconv_u8 byte, int bits_per_pixel, int linelen, |
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int *linepos,int picsize) |
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{ |
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int mask = (bits_per_pixel << 1) -1; |
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int i; |
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if (*linepos < (data->xsize + (8/bits_per_pixel) - 1) / (8/bits_per_pixel)) |
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for (i = 0; i < 8/bits_per_pixel; i ++) { |
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if ((i != 0) && ((*pixelnr % (data->xsize)) == 0)) { |
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psiconv_debug(lev+1,off,"Skipping padding: %02x",byte); |
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i = 8; |
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} else if (*pixelnr >= picsize) { |
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psiconv_warn(lev+1,off,"Corrupted picture data!"); |
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psiconv_debug(lev+1,off,"Trying to write a pixel too far"); |
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return -1; |
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} else { |
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data->red[*pixelnr] = data->green[*pixelnr] = data->blue[*pixelnr] = |
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((float) (byte & mask)) / ((1 << bits_per_pixel) -1); |
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psiconv_debug(lev+1,off,"Pixel %04x: (%04x,%04x) value %02x, color %f", |
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*pixelnr,*pixelnr % data->xsize,*pixelnr / data->xsize, byte&mask, data->red[*pixelnr]); |
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byte = byte >> bits_per_pixel; |
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(*pixelnr) ++; |
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} |
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} |
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else |
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psiconv_debug(lev+1,off,"Skipping padding byte"); |
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(*linepos) ++; |
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if (*linepos == linelen) |
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*linepos = 0; |
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return 0; |
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} |
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|
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|
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int psiconv_parse_paint_data_section(const psiconv_buffer buf,int lev, |
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psiconv_u32 off, int *length,int isclipart, |
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psiconv_paint_data_section *result) |
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{ |
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int res = 0; |
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int len = 0; |
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int read_err = 0; |
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psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr,linelen; |
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psiconv_u8 marker; |
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int i,leng; |
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psiconv_u32 bits_per_pixel,compression; |
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int linepos = 0; |
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|
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psiconv_progress(lev+1,off,"Going to read a paint data section"); |
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(*result) = malloc(sizeof(**result)); |
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|
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psiconv_progress(lev+2,off+len,"Going to read section size"); |
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size = psiconv_read_u32(buf,lev+2,off+len); |
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psiconv_debug(lev+2,off+len,"Section size: %08x",size); |
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len += 4; |
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|
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psiconv_progress(lev+2,off+len,"Going to read pixel data offset"); |
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offset = psiconv_read_u32(buf,lev+2,off+len); |
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if (offset != 0x28) { |
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psiconv_warn(lev+2,off+len, |
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"Paint data section data offset has unexpected value"); |
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psiconv_debug(lev+2,off+len, |
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"Data offset: read %08x, expected %08x",offset,0x28); |
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res = -1; |
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} |
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len += 4; |
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|
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psiconv_progress(lev+2,off+len,"Going to read picture X size"); |
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(*result)->xsize = psiconv_read_u32(buf,lev+2,off+len); |
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psiconv_debug(lev+2,off+len,"Picture X size: %08x:",(*result)->xsize); |
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len += 4; |
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|
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psiconv_progress(lev+2,off+len,"Going to read picture Y size"); |
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(*result)->ysize = psiconv_read_u32(buf,lev+2,off+len); |
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psiconv_debug(lev+2,off+len,"Picture Y size: %08x:",(*result)->ysize); |
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len += 4; |
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|
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picsize = (*result)->ysize * (*result)->xsize; |
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|
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psiconv_progress(lev+2,off+len,"Going to read the real picture x size"); |
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(*result)->pic_xsize = psiconv_read_length(buf,lev+2,off+len,&leng); |
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psiconv_debug(lev+2,off+len,"Picture x size: %f",(*result)->pic_xsize); |
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len += leng; |
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|
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psiconv_progress(lev+2,off+len,"Going to read the real picture y size"); |
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(*result)->pic_ysize = psiconv_read_length(buf,lev+2,off+len,&leng); |
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psiconv_debug(lev+2,off+len,"Picture y size: %f",(*result)->pic_ysize); |
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len += leng; |
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|
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psiconv_progress(lev+2,off+len,"Going to read the number of bits per pixel"); |
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bits_per_pixel=psiconv_read_u32(buf,lev+2,off+len); |
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if (bits_per_pixel > 8) { |
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psiconv_warn(lev+2,off+len,"Picture has too many colors"); |
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psiconv_debug(lev+2,off+len,"Read %d colorbits",bits_per_pixel); |
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res = -1; |
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bits_per_pixel = 2; |
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} |
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psiconv_debug(lev+2,off+len,"Bits per pixel: %d",bits_per_pixel); |
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len += 4; |
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|
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for (i = 0 ; i < 2; i++) { |
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temp = psiconv_read_u32(buf,lev+2,off+len); |
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if (temp != 00) { |
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psiconv_warn(lev+2,off+len, |
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"Paint data section prologue has unknown values"); |
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psiconv_debug(lev+2,off+len, |
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"offset %02x: read %08x, expected %08x",i,temp, 0x00); |
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res = -1; |
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} |
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len += 4; |
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} |
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|
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psiconv_progress(lev+2,off+len, |
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"Going to read whether RLE compression is used"); |
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compression=psiconv_read_u32(buf,lev+2,off+len); |
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if (compression > 1) { |
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psiconv_warn(lev+2,off+len,"Paint data section has unknown " |
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"compression type, assuming RLE"); |
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psiconv_debug(lev+2,off+len,"Read compression type %d",compression); |
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compression = 1; |
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} |
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psiconv_debug(lev+2,off+len,"Compression: %s",compression?"RLE":"none"); |
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len += 4; |
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|
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if (isclipart) { |
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psiconv_progress(lev+2,off+len,"Going to read an unknown long"); |
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temp = psiconv_read_u32(buf,lev+2,off+len); |
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if (temp != 0xffffffff) { |
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psiconv_warn(lev+2,off+len, |
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"Paint data section prologue has unknown values"); |
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psiconv_debug(lev+2,off+len, |
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"offset %02x: read %08x, expected %08x",i,temp, 0xffffffff); |
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res = -1; |
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} |
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len += 4; |
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psiconv_progress(lev+2,off+len,"Going to read a second unknown long"); |
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temp = psiconv_read_u32(buf,lev+2,off+len); |
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if (temp != 0x44) { |
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psiconv_warn(lev+2,off+len, |
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"Paint data section prologue has unknown values"); |
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psiconv_debug(lev+2,off+len, |
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"offset %02x: read %08x, expected %08x",i,temp, 0x44); |
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res = -1; |
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} |
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len += 4; |
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} |
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|
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(*result)->red = malloc(sizeof(float) * picsize); |
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(*result)->green = malloc(sizeof(float) * picsize); |
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(*result)->blue = malloc(sizeof(float) * picsize); |
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len = offset; |
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datasize = size - len; |
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if (isclipart) |
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len += 8; |
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|
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psiconv_progress(lev+2,off+len,"Going to read the pixel data"); |
215 |
pixelnr = 0; |
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datanr = 0; |
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if (!compression) { |
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linelen = datasize / (*result)->ysize; |
219 |
psiconv_debug(lev+3,off+len,"Line length: %04x bytes",linelen); |
220 |
while((datanr < datasize)) { |
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temp = psiconv_read_u8(buf,lev+2,off+len+datanr); |
222 |
if (decode_byte(lev+3,off+len+datanr,*result,&pixelnr,temp,bits_per_pixel, |
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linelen,&linepos,picsize)) { |
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read_err = 1; |
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res = -1; |
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break; |
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} |
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datanr++; |
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} |
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} else { |
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psiconv_progress(lev+2,off+len,"First pass: determining line length"); |
232 |
datanr = 0; |
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i = 0; |
234 |
while (datanr < datasize) { |
235 |
marker = psiconv_read_u8(buf,lev+3,off+len+datanr); |
236 |
if (marker >= 0x80) { |
237 |
datanr += 0x100 - marker + 1; |
238 |
i += 0x100 - marker; |
239 |
} else { |
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datanr += 2; |
241 |
i += marker + 1; |
242 |
} |
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} |
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linelen = i / (*result)->ysize; |
245 |
datanr=0; |
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psiconv_debug(lev+2,off+len,"Linelen: %04x bytes",linelen); |
247 |
while((datanr < datasize)) { |
248 |
marker = psiconv_read_u8(buf,lev+3,off+len+datanr); |
249 |
psiconv_debug(lev+3,off+len+datanr, |
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"Pixelnr %08x, Datanr %08x: Read marker %02x", |
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pixelnr,datanr,marker); |
252 |
datanr ++; |
253 |
if (marker >= 0x80) { |
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/* 0x100 - marker bytes of data follow */ |
255 |
for (i = 0; i < 0x100-marker; i++,datanr++) { |
256 |
if (datanr >= datasize) { |
257 |
psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
258 |
psiconv_debug(lev+3,off+len+datanr, |
259 |
"Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
260 |
"Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
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datanr,marker); |
262 |
read_err = 1; |
263 |
res = -1; |
264 |
break; |
265 |
} |
266 |
temp = psiconv_read_u8(buf,lev+2,off+len+datanr); |
267 |
if (decode_byte(lev+2,off+len+datanr,*result,&pixelnr,temp, |
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bits_per_pixel,linelen,&linepos,picsize)) { |
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res = -1; |
270 |
read_err = 1; |
271 |
break; |
272 |
} |
273 |
} |
274 |
} else { |
275 |
if (datanr >= datasize) { |
276 |
psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
277 |
psiconv_debug(lev+3,off+len+datanr, |
278 |
"Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
279 |
"Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
280 |
datanr,marker); |
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read_err = 1; |
282 |
res = -1; |
283 |
} else { |
284 |
temp = psiconv_read_u8(buf,lev+3,off+len+datanr); |
285 |
for (i = 0; i <= marker; i++) { |
286 |
if (decode_byte(lev+2,off+len+datanr,*result,&pixelnr,temp, |
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bits_per_pixel,linelen,&linepos,picsize)) { |
288 |
read_err = 1; |
289 |
res = -1; |
290 |
break; |
291 |
} |
292 |
} |
293 |
datanr ++; |
294 |
} |
295 |
} |
296 |
} |
297 |
} |
298 |
|
299 |
if (linepos >= ((*result)->xsize + (8/bits_per_pixel) - 1) / |
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(8/bits_per_pixel)) |
301 |
datanr += (linelen - linepos); |
302 |
|
303 |
if (!read_err && ((datanr != datasize) || (pixelnr != picsize))) { |
304 |
psiconv_warn(lev+2,off+len,"Corrupted picture data!"); |
305 |
psiconv_debug(lev+3,off+len+datanr, |
306 |
"Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
307 |
"Datanr: %08x",picsize,datasize,pixelnr,datanr); |
308 |
res = -1; |
309 |
} |
310 |
|
311 |
len += datanr; |
312 |
|
313 |
if (length) |
314 |
*length = len; |
315 |
|
316 |
psiconv_progress(lev+1,off+len-1,"End of paint data section " |
317 |
"(total length: %08x)", len); |
318 |
|
319 |
return res; |
320 |
} |
321 |
|
322 |
int psiconv_parse_sketch_section(const psiconv_buffer buf, int lev, |
323 |
psiconv_u32 off, int *length, int is_object, |
324 |
psiconv_sketch_section *result) |
325 |
{ |
326 |
int res=0; |
327 |
int len=0; |
328 |
psiconv_u32 temp; |
329 |
int leng; |
330 |
int i; |
331 |
|
332 |
psiconv_progress(lev+1,off,"Going to read the sketch section"); |
333 |
*result = malloc(sizeof(**result)); |
334 |
|
335 |
if (!is_object) { |
336 |
psiconv_progress(lev+2,off+len,"Going to read the form hor. size"); |
337 |
(*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len); |
338 |
psiconv_debug(lev+2,off+len,"Form hor. size: %04x", |
339 |
(*result)->form_xsize); |
340 |
len += 0x02; |
341 |
psiconv_progress(lev+2,off+len,"Going to read the form ver. size"); |
342 |
(*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len); |
343 |
psiconv_debug(lev+2,off+len,"Form ver. size: %04x", |
344 |
(*result)->form_ysize); |
345 |
len += 0x02; |
346 |
psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset"); |
347 |
(*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len); |
348 |
psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x", |
349 |
(*result)->picture_x_offset); |
350 |
len += 0x02; |
351 |
psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset"); |
352 |
(*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len); |
353 |
psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x", |
354 |
(*result)->picture_y_offset); |
355 |
len += 0x02; |
356 |
psiconv_progress(lev+2,off+len,"Going to skip 5 words of zeros"); |
357 |
for (i = 0; i < 5; i++) { |
358 |
temp = psiconv_read_u16(buf,lev+2,off+len); |
359 |
if (temp != 0) { |
360 |
psiconv_warn(lev+2,off+len, |
361 |
"Unexpected value in sketch section preamble"); |
362 |
psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i, |
363 |
temp,0); |
364 |
res = -1; |
365 |
} |
366 |
off += 0x02; |
367 |
} |
368 |
} else { |
369 |
psiconv_progress(lev+2,off+len,"Going to read the displayed hor. size"); |
370 |
(*result)->picture_xsize = psiconv_read_u16(buf,lev+2,off + len); |
371 |
psiconv_debug(lev+2,off+len,"Displayed hor. size: %04x", |
372 |
(*result)->picture_xsize); |
373 |
len += 0x02; |
374 |
psiconv_progress(lev+2,off+len,"Going to read the displayed ver. size"); |
375 |
(*result)->picture_ysize = psiconv_read_u16(buf,lev+2,off + len); |
376 |
psiconv_debug(lev+2,off+len,"Displayed ver. size: %04x", |
377 |
(*result)->picture_ysize); |
378 |
len += 0x02; |
379 |
|
380 |
psiconv_progress(lev+2,off+len,"Going to skip 2 words of zeros"); |
381 |
for (i = 0; i < 2; i++) { |
382 |
temp = psiconv_read_u16(buf,lev+2,off+len); |
383 |
if (temp != 0) { |
384 |
psiconv_warn(lev+2,off+len, |
385 |
"Unexpected value in sketch section preamble"); |
386 |
psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i, |
387 |
temp,0); |
388 |
res = -1; |
389 |
} |
390 |
off += 0x02; |
391 |
} |
392 |
psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset"); |
393 |
(*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len); |
394 |
psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x", |
395 |
(*result)->picture_x_offset); |
396 |
len += 0x02; |
397 |
psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset"); |
398 |
(*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len); |
399 |
psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x", |
400 |
(*result)->picture_y_offset); |
401 |
len += 0x02; |
402 |
psiconv_progress(lev+2,off+len,"Going to read the form hor. size"); |
403 |
(*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len); |
404 |
psiconv_debug(lev+2,off+len,"Form hor. size: %04x", |
405 |
(*result)->form_xsize); |
406 |
len += 0x02; |
407 |
psiconv_progress(lev+2,off+len,"Going to read the form ver. size"); |
408 |
(*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len); |
409 |
psiconv_debug(lev+2,off+len,"Form ver. size: %04x", |
410 |
(*result)->form_ysize); |
411 |
len += 0x02; |
412 |
psiconv_progress(lev+2,off+len,"Going to skip 1 zero word"); |
413 |
temp = psiconv_read_u16(buf,lev+2,off+len); |
414 |
if (temp != 0) { |
415 |
psiconv_warn(lev+2,off+len, |
416 |
"Unexpected value in sketch section preamble"); |
417 |
psiconv_debug(lev+2,off+len,"Read %04x, expected %04x",i, temp,0); |
418 |
res = -1; |
419 |
} |
420 |
off += 0x02; |
421 |
} |
422 |
|
423 |
psiconv_progress(lev+2,off+len,"Going to read the picture data"); |
424 |
res |= psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng,0, |
425 |
&((*result)->picture)); |
426 |
off += leng; |
427 |
if (!is_object) { |
428 |
(*result)->picture_xsize = (*result)->picture->xsize; |
429 |
(*result)->picture_ysize = (*result)->picture->ysize; |
430 |
} |
431 |
|
432 |
psiconv_progress(lev+2,off+len,"Going to read the hor. magnification"); |
433 |
(*result)->magnification_x = psiconv_read_u16(buf,lev+2,off + len) / 1000.0; |
434 |
psiconv_debug(lev+2,off+len,"Form hor. magnification: %f", |
435 |
(*result)->magnification_x); |
436 |
len += 0x02; |
437 |
psiconv_progress(lev+2,off+len,"Going to read the ver. magnification"); |
438 |
(*result)->magnification_y = psiconv_read_u16(buf,lev+2,off + len) / 1000.0; |
439 |
psiconv_debug(lev+2,off+len,"Form ver. magnification: %f", |
440 |
(*result)->magnification_y); |
441 |
len += 0x02; |
442 |
|
443 |
psiconv_progress(lev+2,off+len,"Going to read the left cut"); |
444 |
temp = psiconv_read_u32(buf,lev+2,off + len); |
445 |
(*result)->cut_left = (temp * 6.0) / (*result)->picture_xsize; |
446 |
psiconv_debug(lev+2,off+len,"Left cut: raw %08x, real: %f", |
447 |
temp,(*result)->cut_left); |
448 |
len += 0x04; |
449 |
psiconv_progress(lev+2,off+len,"Going to read the right cut"); |
450 |
temp = psiconv_read_u32(buf,lev+2,off + len); |
451 |
(*result)->cut_right = (temp * 6.0) / (*result)->picture_xsize; |
452 |
psiconv_debug(lev+2,off+len,"Right cut: raw %08x, real: %f", |
453 |
temp,(*result)->cut_right); |
454 |
len += 0x04; |
455 |
psiconv_progress(lev+2,off+len,"Going to read the top cut"); |
456 |
temp = psiconv_read_u32(buf,lev+2,off + len); |
457 |
(*result)->cut_top = (temp * 6.0) / (*result)->picture_ysize; |
458 |
psiconv_debug(lev+2,off+len,"Top cut: raw %08x, real: %f", |
459 |
temp,(*result)->cut_top); |
460 |
len += 0x04; |
461 |
psiconv_progress(lev+2,off+len,"Going to read the bottom cut"); |
462 |
temp = psiconv_read_u32(buf,lev+2,off + len); |
463 |
(*result)->cut_bottom = (temp * 6.0) / (*result)->picture_ysize; |
464 |
psiconv_debug(lev+2,off+len,"Bottom cut: raw %08x, real: %f", |
465 |
temp,(*result)->cut_bottom); |
466 |
len += 0x04; |
467 |
|
468 |
if (length) |
469 |
*length = len; |
470 |
|
471 |
psiconv_progress(lev,off+len-1, |
472 |
"End of sketch section (total length: %08x)", len); |
473 |
|
474 |
return res; |
475 |
} |
476 |
|
477 |
|
478 |
int psiconv_parse_clipart_section(const psiconv_buffer buf,int lev, |
479 |
psiconv_u32 off, int *length, |
480 |
psiconv_clipart_section *result) |
481 |
{ |
482 |
int res=0; |
483 |
int len=0; |
484 |
int leng; |
485 |
psiconv_u32 temp; |
486 |
|
487 |
psiconv_progress(lev+1,off+len,"Going to read the clipart section"); |
488 |
*result = malloc(sizeof(**result)); |
489 |
|
490 |
psiconv_progress(lev+2,off+len,"Going to read the section ID"); |
491 |
temp = psiconv_read_u32(buf,lev+2,off+len); |
492 |
if (temp != PSICONV_ID_CLIPART_ITEM) { |
493 |
psiconv_warn(lev+2,off+len, |
494 |
"Unexpected value in clipart section preamble"); |
495 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, |
496 |
PSICONV_ID_CLIPART_ITEM); |
497 |
res = -1; |
498 |
} else |
499 |
psiconv_debug(lev+2,off+len,"Clipart ID: %08x", temp); |
500 |
off += 4; |
501 |
|
502 |
psiconv_progress(lev+2,off+len,"Going to read an unknown long"); |
503 |
temp = psiconv_read_u32(buf,lev+2,off+len); |
504 |
if (temp != 0x02) { |
505 |
psiconv_warn(lev+2,off+len, |
506 |
"Unexpected value in clipart section preamble"); |
507 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, |
508 |
0x02); |
509 |
res = -1; |
510 |
} else |
511 |
psiconv_debug(lev+2,off+len,"First unknown long: %08x", temp); |
512 |
off += 4; |
513 |
|
514 |
psiconv_progress(lev+2,off+len,"Going to read a second unknown long"); |
515 |
temp = psiconv_read_u32(buf,lev+2,off+len); |
516 |
if (temp != 0) { |
517 |
psiconv_warn(lev+2,off+len, |
518 |
"Unexpected value in clipart section preamble"); |
519 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
520 |
res = -1; |
521 |
} else |
522 |
psiconv_debug(lev+2,off+len,"Second unknown long: %08x", temp); |
523 |
off += 4; |
524 |
|
525 |
psiconv_progress(lev+2,off+len,"Going to read a third unknown long"); |
526 |
temp = psiconv_read_u32(buf,lev+2,off+len); |
527 |
if (temp != 0) { |
528 |
psiconv_warn(lev+2,off+len, |
529 |
"Unexpected value in clipart section preamble"); |
530 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
531 |
res = -1; |
532 |
} else |
533 |
psiconv_debug(lev+2,off+len,"Third unknown long: %08x", temp); |
534 |
off += 4; |
535 |
|
536 |
psiconv_progress(lev+2,off+len,"Going to read a fourth unknown long"); |
537 |
temp = psiconv_read_u32(buf,lev+2,off+len); |
538 |
if ((temp != 0x0c) && (temp != 0x08)) { |
539 |
psiconv_warn(lev+2,off+len, |
540 |
"Unexpected value in clipart section preamble"); |
541 |
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x or %08x",temp, |
542 |
0x0c, 0x08); |
543 |
res = -1; |
544 |
} else |
545 |
psiconv_debug(lev+2,off+len,"Fourth unknown long: %08x", temp); |
546 |
off += 4; |
547 |
|
548 |
psiconv_progress(lev+2,off+len,"Going to read the Paint Data Section"); |
549 |
res |= psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng,1, |
550 |
&((*result)->picture)); |
551 |
len += leng; |
552 |
|
553 |
if (length) |
554 |
*length = len; |
555 |
|
556 |
psiconv_progress(lev,off+len-1, |
557 |
"End of clipart section (total length: %08x)", len); |
558 |
|
559 |
return res; |
560 |
} |