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frodo |
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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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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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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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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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#include "config.h" |
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#include <stdlib.h> |
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#include "data.h" |
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#include "parse_routines.h" |
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frodo |
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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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frodo |
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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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frodo |
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psiconv_progress(lev+1,off+len,"Going to read the jumptable section"); |
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frodo |
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(*result) = psiconv_list_new(sizeof(psiconv_u32)); |
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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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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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if (length) |
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*length = len; |
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frodo |
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psiconv_progress(lev+1,off+len-1,"End of jumptable section " |
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frodo |
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"(total length: %08x)", len); |
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frodo |
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return res; |
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} |
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frodo |
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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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frodo |
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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, |
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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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frodo |
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int read_err = 0; |
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frodo |
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psiconv_u32 size,offset,picsize,temp,datasize,pixelnr,datanr,linelen; |
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frodo |
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psiconv_u8 marker; |
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frodo |
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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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frodo |
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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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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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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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frodo |
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if (offset != 0x28) { |
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frodo |
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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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frodo |
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res = -1; |
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frodo |
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} |
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len += 4; |
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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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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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frodo |
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picsize = (*result)->ysize * (*result)->xsize; |
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frodo |
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frodo |
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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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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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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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for (i = 0 ; i < 2; i++) { |
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frodo |
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temp = psiconv_read_u32(buf,lev+2,off+len); |
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frodo |
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if (temp != 00) { |
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frodo |
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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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frodo |
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"offset %02x: read %08x, expected %08x",i,temp, 0x00); |
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frodo |
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res = -1; |
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frodo |
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} |
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len += 4; |
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} |
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frodo |
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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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frodo |
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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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frodo |
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psiconv_progress(lev+2,off+len,"Going to read the pixel data"); |
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frodo |
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pixelnr = 0; |
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datanr = 0; |
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frodo |
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if (!compression) { |
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linelen = datasize / (*result)->ysize; |
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psiconv_debug(lev+3,off+len,"Line length: %04x bytes",linelen); |
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while((datanr < datasize)) { |
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temp = psiconv_read_u8(buf,lev+2,off+len+datanr); |
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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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frodo |
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read_err = 1; |
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frodo |
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res = -1; |
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frodo |
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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"); |
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datanr = 0; |
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i = 0; |
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while (datanr < datasize) { |
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marker = psiconv_read_u8(buf,lev+3,off+len+datanr); |
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if (marker >= 0x80) { |
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datanr += 0x100 - marker + 1; |
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i += 0x100 - marker; |
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frodo |
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} else { |
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frodo |
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datanr += 2; |
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i += marker + 1; |
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} |
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} |
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linelen = i / (*result)->ysize; |
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datanr=0; |
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psiconv_debug(lev+2,off+len,"Linelen: %04x bytes",linelen); |
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while((datanr < datasize)) { |
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marker = psiconv_read_u8(buf,lev+3,off+len+datanr); |
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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); |
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datanr ++; |
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if (marker >= 0x80) { |
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/* 0x100 - marker bytes of data follow */ |
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for (i = 0; i < 0x100-marker; i++,datanr++) { |
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if (datanr >= datasize) { |
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frodo |
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psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
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psiconv_debug(lev+3,off+len+datanr, |
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"Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
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"Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
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datanr,marker); |
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read_err = 1; |
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res = -1; |
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frodo |
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break; |
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} |
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temp = psiconv_read_u8(buf,lev+2,off+len+datanr); |
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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; |
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read_err = 1; |
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break; |
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frodo |
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} |
247 |
frodo |
25 |
} |
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} else { |
249 |
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if (datanr >= datasize) { |
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psiconv_warn(lev+3,off+len+datanr,"Corrupted picture data"); |
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psiconv_debug(lev+3,off+len+datanr, |
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"Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
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"Datanr: %08x, marker: %02x",picsize,datasize,pixelnr, |
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datanr,marker); |
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read_err = 1; |
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res = -1; |
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} else { |
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temp = psiconv_read_u8(buf,lev+3,off+len+datanr); |
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for (i = 0; i <= marker; i++) { |
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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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read_err = 1; |
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res = -1; |
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break; |
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} |
266 |
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} |
267 |
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datanr ++; |
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} |
269 |
frodo |
10 |
} |
270 |
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} |
271 |
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} |
272 |
frodo |
25 |
|
273 |
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if (linepos >= ((*result)->xsize + (8/bits_per_pixel) - 1) / |
274 |
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(8/bits_per_pixel)) |
275 |
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datanr += (linelen - linepos); |
276 |
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|
277 |
frodo |
12 |
if (!read_err && ((datanr != datasize) || (pixelnr != picsize))) { |
278 |
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psiconv_warn(lev+2,off+len,"Corrupted picture data!"); |
279 |
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psiconv_debug(lev+3,off+len+datanr, |
280 |
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"Picsize: %08x, Datasize: %08x, Pixelnr: %08x," |
281 |
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"Datanr: %08x",picsize,datasize,pixelnr,datanr); |
282 |
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res = -1; |
283 |
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} |
284 |
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|
285 |
frodo |
10 |
len += datanr; |
286 |
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287 |
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if (length) |
288 |
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*length = len; |
289 |
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|
290 |
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psiconv_progress(lev+1,off+len-1,"End of paint data section " |
291 |
frodo |
13 |
"(total length: %08x)", len); |
292 |
frodo |
10 |
|
293 |
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return res; |
294 |
|
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} |
295 |
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|
296 |
frodo |
24 |
int psiconv_parse_sketch_section(const psiconv_buffer buf, int lev, |
297 |
|
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psiconv_u32 off, int *length, int is_object, |
298 |
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psiconv_sketch_section *result) |
299 |
|
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{ |
300 |
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int res=0; |
301 |
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int len=0; |
302 |
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psiconv_u32 temp; |
303 |
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int leng; |
304 |
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int i; |
305 |
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|
306 |
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psiconv_progress(lev+1,off,"Going to read the sketch section"); |
307 |
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*result = malloc(sizeof(**result)); |
308 |
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309 |
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if (!is_object) { |
310 |
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psiconv_progress(lev+2,off+len,"Going to read the form hor. size"); |
311 |
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(*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len); |
312 |
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psiconv_debug(lev+2,off+len,"Form hor. size: %04x", |
313 |
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(*result)->form_xsize); |
314 |
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len += 0x02; |
315 |
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psiconv_progress(lev+2,off+len,"Going to read the form ver. size"); |
316 |
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(*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len); |
317 |
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psiconv_debug(lev+2,off+len,"Form ver. size: %04x", |
318 |
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(*result)->form_ysize); |
319 |
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len += 0x02; |
320 |
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psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset"); |
321 |
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(*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len); |
322 |
|
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psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x", |
323 |
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(*result)->picture_x_offset); |
324 |
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len += 0x02; |
325 |
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psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset"); |
326 |
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(*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len); |
327 |
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psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x", |
328 |
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(*result)->picture_y_offset); |
329 |
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len += 0x02; |
330 |
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psiconv_progress(lev+2,off+len,"Going to skip 5 words of zeros"); |
331 |
|
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for (i = 0; i < 5; i++) { |
332 |
|
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temp = psiconv_read_u16(buf,lev+2,off+len); |
333 |
|
|
if (temp != 0) { |
334 |
|
|
psiconv_warn(lev+2,off+len, |
335 |
|
|
"Unexpected value in sketch section preamble"); |
336 |
|
|
psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i, |
337 |
|
|
temp,0); |
338 |
|
|
res = -1; |
339 |
|
|
} |
340 |
|
|
off += 0x02; |
341 |
|
|
} |
342 |
|
|
} else { |
343 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the displayed hor. size"); |
344 |
|
|
(*result)->picture_xsize = psiconv_read_u16(buf,lev+2,off + len); |
345 |
|
|
psiconv_debug(lev+2,off+len,"Displayed hor. size: %04x", |
346 |
|
|
(*result)->picture_xsize); |
347 |
|
|
len += 0x02; |
348 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the displayed ver. size"); |
349 |
|
|
(*result)->picture_ysize = psiconv_read_u16(buf,lev+2,off + len); |
350 |
|
|
psiconv_debug(lev+2,off+len,"Displayed ver. size: %04x", |
351 |
|
|
(*result)->picture_ysize); |
352 |
|
|
len += 0x02; |
353 |
|
|
|
354 |
|
|
psiconv_progress(lev+2,off+len,"Going to skip 2 words of zeros"); |
355 |
|
|
for (i = 0; i < 2; i++) { |
356 |
|
|
temp = psiconv_read_u16(buf,lev+2,off+len); |
357 |
|
|
if (temp != 0) { |
358 |
|
|
psiconv_warn(lev+2,off+len, |
359 |
|
|
"Unexpected value in sketch section preamble"); |
360 |
|
|
psiconv_debug(lev+2,off+len,"Word %d: Read %04x, expected %04x",i, |
361 |
|
|
temp,0); |
362 |
|
|
res = -1; |
363 |
|
|
} |
364 |
|
|
off += 0x02; |
365 |
|
|
} |
366 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the picture hor. offset"); |
367 |
|
|
(*result)->picture_x_offset = psiconv_read_u16(buf,lev+2,off + len); |
368 |
|
|
psiconv_debug(lev+2,off+len,"Picture hor. offset: %04x", |
369 |
|
|
(*result)->picture_x_offset); |
370 |
|
|
len += 0x02; |
371 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the picture ver. offset"); |
372 |
|
|
(*result)->picture_y_offset = psiconv_read_u16(buf,lev+2,off + len); |
373 |
|
|
psiconv_debug(lev+2,off+len,"Picture ver. offset: %04x", |
374 |
|
|
(*result)->picture_y_offset); |
375 |
|
|
len += 0x02; |
376 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the form hor. size"); |
377 |
|
|
(*result)->form_xsize = psiconv_read_u16(buf,lev+2,off + len); |
378 |
|
|
psiconv_debug(lev+2,off+len,"Form hor. size: %04x", |
379 |
|
|
(*result)->form_xsize); |
380 |
|
|
len += 0x02; |
381 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the form ver. size"); |
382 |
|
|
(*result)->form_ysize = psiconv_read_u16(buf,lev+2,off + len); |
383 |
|
|
psiconv_debug(lev+2,off+len,"Form ver. size: %04x", |
384 |
|
|
(*result)->form_ysize); |
385 |
|
|
len += 0x02; |
386 |
|
|
psiconv_progress(lev+2,off+len,"Going to skip 1 zero word"); |
387 |
|
|
temp = psiconv_read_u16(buf,lev+2,off+len); |
388 |
|
|
if (temp != 0) { |
389 |
|
|
psiconv_warn(lev+2,off+len, |
390 |
|
|
"Unexpected value in sketch section preamble"); |
391 |
|
|
psiconv_debug(lev+2,off+len,"Read %04x, expected %04x",i, temp,0); |
392 |
|
|
res = -1; |
393 |
|
|
} |
394 |
|
|
off += 0x02; |
395 |
|
|
} |
396 |
|
|
|
397 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the picture data"); |
398 |
|
|
res |= psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng, |
399 |
|
|
&((*result)->picture)); |
400 |
|
|
off += leng; |
401 |
|
|
if (!is_object) { |
402 |
|
|
(*result)->picture_xsize = (*result)->picture->xsize; |
403 |
|
|
(*result)->picture_ysize = (*result)->picture->ysize; |
404 |
|
|
} |
405 |
|
|
|
406 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the hor. magnification"); |
407 |
|
|
(*result)->magnification_x = psiconv_read_u16(buf,lev+2,off + len) / 1000.0; |
408 |
|
|
psiconv_debug(lev+2,off+len,"Form hor. magnification: %f", |
409 |
|
|
(*result)->magnification_x); |
410 |
|
|
len += 0x02; |
411 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the ver. magnification"); |
412 |
|
|
(*result)->magnification_y = psiconv_read_u16(buf,lev+2,off + len) / 1000.0; |
413 |
|
|
psiconv_debug(lev+2,off+len,"Form ver. magnification: %f", |
414 |
|
|
(*result)->magnification_y); |
415 |
|
|
len += 0x02; |
416 |
|
|
|
417 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the left cut"); |
418 |
|
|
temp = psiconv_read_u32(buf,lev+2,off + len); |
419 |
|
|
(*result)->cut_left = (temp * 6.0) / (*result)->picture_xsize; |
420 |
|
|
psiconv_debug(lev+2,off+len,"Left cut: raw %08x, real: %f", |
421 |
|
|
temp,(*result)->cut_left); |
422 |
|
|
len += 0x04; |
423 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the right cut"); |
424 |
|
|
temp = psiconv_read_u32(buf,lev+2,off + len); |
425 |
|
|
(*result)->cut_right = (temp * 6.0) / (*result)->picture_xsize; |
426 |
|
|
psiconv_debug(lev+2,off+len,"Right cut: raw %08x, real: %f", |
427 |
|
|
temp,(*result)->cut_right); |
428 |
|
|
len += 0x04; |
429 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the top cut"); |
430 |
|
|
temp = psiconv_read_u32(buf,lev+2,off + len); |
431 |
|
|
(*result)->cut_top = (temp * 6.0) / (*result)->picture_ysize; |
432 |
|
|
psiconv_debug(lev+2,off+len,"Top cut: raw %08x, real: %f", |
433 |
|
|
temp,(*result)->cut_top); |
434 |
|
|
len += 0x04; |
435 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the bottom cut"); |
436 |
|
|
temp = psiconv_read_u32(buf,lev+2,off + len); |
437 |
|
|
(*result)->cut_bottom = (temp * 6.0) / (*result)->picture_ysize; |
438 |
|
|
psiconv_debug(lev+2,off+len,"Bottom cut: raw %08x, real: %f", |
439 |
|
|
temp,(*result)->cut_bottom); |
440 |
|
|
len += 0x04; |
441 |
|
|
|
442 |
|
|
if (length) |
443 |
|
|
*length = len; |
444 |
|
|
|
445 |
|
|
psiconv_progress(lev,off+len-1, |
446 |
|
|
"End of sketch section (total length: %08x)", len); |
447 |
|
|
|
448 |
|
|
return res; |
449 |
|
|
} |
450 |
|
|
|
451 |
frodo |
43 |
|
452 |
|
|
int psiconv_parse_clipart_section(const psiconv_buffer buf,int lev, |
453 |
|
|
psiconv_u32 off, int *length, |
454 |
|
|
psiconv_clipart_section *result) |
455 |
|
|
{ |
456 |
|
|
int res=0; |
457 |
|
|
int len=0; |
458 |
|
|
int leng; |
459 |
|
|
psiconv_u32 temp; |
460 |
|
|
|
461 |
|
|
psiconv_progress(lev+1,off+len,"Going to read the clipart section"); |
462 |
|
|
*result = malloc(sizeof(**result)); |
463 |
|
|
|
464 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the section ID"); |
465 |
|
|
temp = psiconv_read_u32(buf,lev+2,off+len); |
466 |
|
|
if (temp != PSICONV_ID_CLIPART_ITEM) { |
467 |
|
|
psiconv_warn(lev+2,off+len, |
468 |
|
|
"Unexpected value in clipart section preamble"); |
469 |
|
|
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, |
470 |
|
|
PSICONV_ID_CLIPART_ITEM); |
471 |
|
|
res = -1; |
472 |
|
|
} else |
473 |
|
|
psiconv_debug(lev+2,off+len,"Clipart ID: %08x", temp); |
474 |
|
|
off += 4; |
475 |
|
|
|
476 |
|
|
psiconv_progress(lev+2,off+len,"Going to read an unknown long"); |
477 |
|
|
temp = psiconv_read_u32(buf,lev+2,off+len); |
478 |
|
|
if (temp != 0x02) { |
479 |
|
|
psiconv_warn(lev+2,off+len, |
480 |
|
|
"Unexpected value in clipart section preamble"); |
481 |
|
|
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, |
482 |
|
|
0x02); |
483 |
|
|
res = -1; |
484 |
|
|
} else |
485 |
|
|
psiconv_debug(lev+2,off+len,"First unknown long: %08x", temp); |
486 |
|
|
off += 4; |
487 |
|
|
|
488 |
|
|
psiconv_progress(lev+2,off+len,"Going to read a second unknown long"); |
489 |
|
|
temp = psiconv_read_u32(buf,lev+2,off+len); |
490 |
|
|
if (temp != 0) { |
491 |
|
|
psiconv_warn(lev+2,off+len, |
492 |
|
|
"Unexpected value in clipart section preamble"); |
493 |
|
|
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
494 |
|
|
res = -1; |
495 |
|
|
} else |
496 |
|
|
psiconv_debug(lev+2,off+len,"Second unknown long: %08x", temp); |
497 |
|
|
off += 4; |
498 |
|
|
|
499 |
|
|
psiconv_progress(lev+2,off+len,"Going to read a third unknown long"); |
500 |
|
|
temp = psiconv_read_u32(buf,lev+2,off+len); |
501 |
|
|
if (temp != 0) { |
502 |
|
|
psiconv_warn(lev+2,off+len, |
503 |
|
|
"Unexpected value in clipart section preamble"); |
504 |
|
|
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x",temp, 0); |
505 |
|
|
res = -1; |
506 |
|
|
} else |
507 |
|
|
psiconv_debug(lev+2,off+len,"Third unknown long: %08x", temp); |
508 |
|
|
off += 4; |
509 |
|
|
|
510 |
|
|
psiconv_progress(lev+2,off+len,"Going to read a fourth unknown long"); |
511 |
|
|
temp = psiconv_read_u32(buf,lev+2,off+len); |
512 |
|
|
if ((temp != 0x0c) && (temp != 0x08)) { |
513 |
|
|
psiconv_warn(lev+2,off+len, |
514 |
|
|
"Unexpected value in clipart section preamble"); |
515 |
|
|
psiconv_debug(lev+2,off+len,"Read %08x, expected %08x or %08x",temp, |
516 |
|
|
0x0c, 0x08); |
517 |
|
|
res = -1; |
518 |
|
|
} else |
519 |
|
|
psiconv_debug(lev+2,off+len,"Fourth unknown long: %08x", temp); |
520 |
|
|
off += 4; |
521 |
|
|
|
522 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the Paint Data Section"); |
523 |
|
|
res |= psiconv_parse_paint_data_section(buf,lev+2,off+len,&leng, |
524 |
|
|
&((*result)->picture)); |
525 |
|
|
len += leng; |
526 |
|
|
|
527 |
|
|
if (length) |
528 |
|
|
*length = len; |
529 |
|
|
|
530 |
|
|
psiconv_progress(lev,off+len-1, |
531 |
|
|
"End of clipart section (total length: %08x)", len); |
532 |
|
|
|
533 |
|
|
return res; |
534 |
|
|
} |