void k2file_get_overlay_bitmap(WILLUSBITMAP *bmp,double *dpi,char *filename,char *pagelist)
{
int i,c,c2,src_type,np;
char mupdffilename[MAXFILENAMELEN];
static K2PDFOPT_SETTINGS _k2settings;
K2PDFOPT_SETTINGS *k2settings;
WILLUSBITMAP *tmp,_tmp;
(*dpi)=100.;
src_type = get_source_type(filename);
if (src_type!=SRC_TYPE_PDF && src_type!=SRC_TYPE_DJVU)
return;
strncpy(mupdffilename,filename,MAXFILENAMELEN-1);
mupdffilename[MAXFILENAMELEN-1]='\0';
k2settings=&_k2settings;
k2pdfopt_settings_init(k2settings);
k2settings->document_scale_factor=1.0;
k2settings->usegs=-1;
np=file_numpages(filename,mupdffilename,src_type,&k2settings->usegs);
for (c=0,i=1;i<=np;i++)
if (pagelist_includes_page(pagelist,i,np))
c++;
#ifdef HAVE_K2GUI
if (k2gui_active())
{
k2gui_overlay_set_num_pages(c);
k2gui_overlay_set_pages_completed(0,NULL);
}
#endif
tmp=&_tmp;
bmp_init(tmp);
for (c=c2=0,i=1;i<=np;i++)
{
int status;
if (!pagelist_includes_page(pagelist,i,np))
continue;
status=bmp_get_one_document_page(tmp,k2settings,src_type,mupdffilename,i,100.,8,NULL);
c2++;
#ifdef HAVE_K2GUI
if (k2gui_active())
k2gui_overlay_set_pages_completed(c2,NULL);
#endif
if (status)
{
#ifdef HAVE_K2GUI
if (k2gui_active())
k2gui_overlay_error(filename,i,status);
#endif
continue;
}
c++;
if (c==1)
bmp_copy(bmp,tmp);
else
bmp8_merge(bmp,tmp,c);
}
bmp_free(tmp);
}
/*
** Conversion thread. This is launched as a separate thread to do the
** conversions while the dialog box displays the progress.
*/
static void k2gui_overlay_start_conversion(void *data)
{
void **ptrs;
/* static char *funcname="k2gui_overlay_start_conversion"; */
char *filename;
char *pagelist;
char buf[256];
WILLUSBITMAP *bmp;
#if (WILLUSDEBUGX & 0x2000000)
k2dprintf("@k2gui_overlay_start_conversion thread.\n");
#endif
ptrs=(void **)data;
filename=(char *)ptrs[0];
pagelist=(char *)ptrs[1];
overwrite_set(1);
k2gui_overlay_set_error_count(0);
/* k2gui_overlay_freelist(); */
overwrite_set(0);
k2gui_overlay_set_num_pages(1);
strncpy(k2gui_overlay->filename,k2gui_short_name(filename),255);
k2gui_overlay->filename[255]='\0';
sprintf(buf,"Creating overlay for %s...",k2gui_overlay->filename);
k2gui_overlay_set_pages_completed(0,buf);
bmp=&k2gui_overlay->bmp;
#if (WILLUSDEBUGX & 0x2000000)
k2dprintf("Getting overlay bitmap...\n");
#endif
k2file_get_overlay_bitmap(bmp,&k2gui_overlay->dpi,filename,pagelist);
#if (WILLUSDEBUGX & 0x2000000)
k2dprintf(" Done overlay bitmap (ecount=%d)...\n",k2gui_overlay->error_count);
#endif
/*
printf(" = %d x %d\n",bmp->width,bmp->height);
*/
/* If successful, size the window to the proportions of the loaded bitmap */
if (k2gui_overlay->error_count==0 && bmp->width>0 && bmp->height>0)
{
WILLUSGUIRECT rect,r1,ru;
int dw,dh,w,h,bh,bw,delw,delh,delw2,delh2;
k2gui_overlay->converting=2;
k2gui_overlay->successful=1;
willusgui_window_get_rect(&k2gui_overlay->mainwin,&r1);
willusgui_window_get_useable_rect(&k2gui_overlay->mainwin,&ru);
delw=(r1.right-r1.left)-(ru.right-ru.left);
delw2=delw + 10;
delh=(r1.bottom-r1.top)-(ru.bottom-ru.top);
delh2=delh + (int)k2gui_overlay->bf.size*2.0 + (int)k2gui_overlay->mf.size/4;
/*
printf("delw=%d, delw2=%d, delh=%d, delh2=%d\n",delw,delw2,delh,delh2);
*/
willusgui_window_get_rect(NULL,&rect);
dw=rect.right-rect.left+1;
dh=rect.bottom-rect.top+1;
h = dh*3/4;
bh = h - delh2;
bw = bh*bmp->width/bmp->height;
w = bw+delw2;
if (w > dw*3/4)
{
bw = dw*3/4-delw2;
bh = bw*bmp->height/bmp->width;
}
/*
printf("bw=%d, bh=%d\n",bw,bh);
*/
w = bw+delw2;
h = bh+delh2;
/*
printf("w=%d, h=%d\n",w,h);
*/
rect.left=dw/2-w/2;
rect.right=rect.left+w-1;
rect.top=dh/2-h/2;
rect.bottom=rect.top+h-1;
willusgui_window_set_pos(&k2gui_overlay->mainwin,&rect);
k2gui_overlay_update_window();
}
else
bmp->width=-1;
#if (WILLUSDEBUGX & 0x2000000)
k2dprintf(" Done overlay_start_conversion..\n",k2gui_overlay->error_count);
#endif
k2gui_overlay_conversion_thread_cleanup();
}
