void k2pdfopt_reflow_bmp(KOPTContext *kctx,WILLUSBITMAP *src,int init)
{
static K2PDFOPT_SETTINGS _k2settings, *k2settings;
static MASTERINFO _masterinfo, *masterinfo;
WILLUSBITMAP _srcgrey, *srcgrey;
BMPREGION region;
static int pages_done=0;
srcgrey=&_srcgrey;
bmp_init(srcgrey);
k2settings=&_k2settings;
masterinfo=&_masterinfo;
/* First call or new document call should use init = 1 */
if (init==1)
{
/* Initialize settings */
k2pdfopt_settings_init_from_koptcontext(k2settings,kctx);
k2pdfopt_settings_sanity_check(k2settings);
/* Init master output structure */
masterinfo_init(masterinfo,k2settings);
/* Init for new source doc */
k2pdfopt_settings_new_source_document_init(k2settings);
}
/* Init new source bitmap */
bmpregion_init(®ion);
masterinfo_new_source_page_init(masterinfo,k2settings,src,srcgrey,NULL,®ion,0.,NULL,NULL,1,NULL);
/* Process single source page */
if (init)
pages_done=0;
bmpregion_source_page_add(®ion,k2settings,masterinfo,1,pages_done++);
bmp_free(srcgrey);
/*
** Get output pages
*/
{
WILLUSBITMAP *bmp,_bmp;
int rows,size_reduction;
double bmpdpi;
bmp=&_bmp;
bmp_init(bmp);
while ((rows=masterinfo_get_next_output_page(masterinfo,k2settings,1,bmp,
&bmpdpi,&size_reduction,NULL))>0)
{
/* Process output page stored in "bmp" */
}
bmp_free(bmp);
}
/* Final call should use init = -999 */
if (init == -999)
masterinfo_free(masterinfo,k2settings);
}
void k2pdfopt_crop_bmp(KOPTContext *kctx) {
static char *funcname="k2pdfopt_crop_bmp";
K2PDFOPT_SETTINGS _k2settings, *k2settings;
MASTERINFO _masterinfo, *masterinfo;
WILLUSBITMAP _srcgrey, *srcgrey;
WILLUSBITMAP *src;
BMPREGION _region, *region;
int *colcount,*rowcount;
int i,j;
float margin;
src = &kctx->src;
srcgrey = &_srcgrey;
bmp_init(srcgrey);
k2settings = &_k2settings;
masterinfo = &_masterinfo;
/* Initialize settings */
k2pdfopt_settings_init_from_koptcontext(k2settings, kctx);
k2pdfopt_settings_sanity_check(k2settings);
/* Init master output structure */
masterinfo_init(masterinfo, k2settings);
bmp_init(&masterinfo->bmp);
masterinfo->bmp.width = 0;
masterinfo->bmp.height = 0;
//wrapbmp_free(&masterinfo->wrapbmp);
//wrapbmp_init(&masterinfo->wrapbmp, k2settings->dst_color);
/* Init new source bitmap */
region = &_region;
bmpregion_init(region);
masterinfo_new_source_page_init(masterinfo, k2settings, src, srcgrey, NULL,
region, k2settings->src_rot, NULL, NULL, 1, NULL);
printf("source page (%d,%d) - (%d,%d)\n",region->c1,region->r1,region->c2,region->r2);
printf("source page bgcolor %d\n", region->bgcolor);
bmpregion_trim_margins(region,k2settings,0xf);
margin = kctx->margin*k2settings->dst_dpi;
/*
* Suppose when page is zoomed to k level at fit to content width zoom mode,
* the content width is a, the device screen width is w,
* and the request margin size is m, x pixels are added as page margin.
* Then the following equations should be satisified:
* 1. k*(a + 2x) = w
* 2. 2*x*k = m
* which should be solved to x = m*a/(w-m)/2
*/
margin = margin*(region->c2 - region->c1)/(kctx->dev_width - margin)/2;
kctx->bbox.x0 = (float)region->c1 - margin;
kctx->bbox.y0 = (float)region->r1 - margin;
kctx->bbox.x1 = (float)region->c2 + margin;
kctx->bbox.y1 = (float)region->r2 + margin;
bmp_free(src);
bmp_free(srcgrey);
bmpregion_free(region);
masterinfo_free(masterinfo,k2settings);
}
void k2pdfopt_crop_bmp(KOPTContext *kctx) {
static char *funcname="k2pdfopt_crop_bmp";
K2PDFOPT_SETTINGS _k2settings, *k2settings;
MASTERINFO _masterinfo, *masterinfo;
WILLUSBITMAP _srcgrey, *srcgrey;
WILLUSBITMAP *src;
BMPREGION _region, *region;
int *colcount,*rowcount;
int i,j;
float margin;
src = &kctx->src;
srcgrey = &_srcgrey;
bmp_init(srcgrey);
k2settings = &_k2settings;
masterinfo = &_masterinfo;
/* Initialize settings */
k2pdfopt_settings_init_from_koptcontext(k2settings, kctx);
k2pdfopt_settings_sanity_check(k2settings);
/* Init master output structure */
masterinfo_init(masterinfo, k2settings);
bmp_init(&masterinfo->bmp);
masterinfo->bmp.width = 0;
masterinfo->bmp.height = 0;
//wrapbmp_free(&masterinfo->wrapbmp);
//wrapbmp_init(&masterinfo->wrapbmp, k2settings->dst_color);
/* Init new source bitmap */
region = &_region;
bmpregion_init(region);
masterinfo_new_source_page_init(masterinfo, k2settings, src, srcgrey, NULL,
region, k2settings->src_rot, NULL, NULL, 1, NULL);
printf("source page (%d,%d) - (%d,%d)\n",region->c1,region->r1,region->c2,region->r2);
printf("source page bgcolor %d\n", region->bgcolor);
bmpregion_trim_margins(region,k2settings,0xf);
margin = k2settings->dst_mar*k2settings->dst_dpi+.5;
kctx->bbox.x0 = (float)region->c1 - margin;
kctx->bbox.y0 = (float)region->r1 - margin;
kctx->bbox.x1 = (float)region->c2 + margin;
kctx->bbox.y1 = (float)region->r2 + margin;
bmp_free(src);
bmp_free(srcgrey);
bmpregion_free(region);
masterinfo_free(masterinfo,k2settings);
}
void k2pdfopt_reflow_bmp(KOPTContext *kctx) {
K2PDFOPT_SETTINGS _k2settings, *k2settings;
MASTERINFO _masterinfo, *masterinfo;
WILLUSBITMAP _srcgrey, *srcgrey;
WILLUSBITMAP *src, *dst;
BMPREGION region;
int i, bw, marbot, marleft;
src = &kctx->src;
srcgrey = &_srcgrey;
bmp_init(srcgrey);
k2settings = &_k2settings;
masterinfo = &_masterinfo;
/* Initialize settings */
k2pdfopt_settings_init_from_koptcontext(k2settings, kctx);
k2pdfopt_settings_quick_sanity_check(k2settings);
/* Init for new source doc */
k2pdfopt_settings_new_source_document_init(k2settings);
/* Init master output structure */
masterinfo_init(masterinfo, k2settings);
wrapbmp_init(&masterinfo->wrapbmp, k2settings->dst_color);
/* Init new source bitmap */
bmpregion_init(®ion);
masterinfo_new_source_page_init(masterinfo, k2settings, src, srcgrey, NULL,
®ion, k2settings->src_rot, NULL, NULL, 1, -1, NULL );
/* Set output size */
k2pdfopt_settings_set_margins_and_devsize(k2settings,®ion,masterinfo,-1.,0);
/* Process single source page */
bmpregion_source_page_add(®ion, k2settings, masterinfo, 1, 0);
wrapbmp_flush(masterinfo, k2settings, 0);
if (fabs(k2settings->dst_gamma - 1.0) > .001)
bmp_gamma_correct(&masterinfo->bmp, &masterinfo->bmp,
k2settings->dst_gamma);
/* copy master bitmap to context dst bitmap */
dst = &kctx->dst;
marbot = (int) (k2settings->dst_dpi * k2settings->dstmargins.box[1] + .5);
marleft = (int) (k2settings->dst_dpi * k2settings->dstmargins.box[0] + .5);
dst->bpp = masterinfo->bmp.bpp;
dst->width = masterinfo->bmp.width;
dst->height = masterinfo->rows > kctx->page_height ? masterinfo->rows + marbot : kctx->page_height;
bmp_alloc(dst);
bmp_fill(dst, 255, 255, 255);
bw = bmp_bytewidth(&masterinfo->bmp);
for (i = 0; i < masterinfo->rows; i++)
memcpy(bmp_rowptr_from_top(dst, i),
bmp_rowptr_from_top(&masterinfo->bmp, i), bw);
kctx->page_width = kctx->dst.width;
kctx->page_height = kctx->dst.height;
kctx->precache = 0;
int j;
BOXA *rboxa = boxaCreate(masterinfo->rectmaps.n);
BOXA *nboxa = boxaCreate(masterinfo->rectmaps.n);
for (j = 0; j < masterinfo->rectmaps.n; j++) {
WRECTMAP * rectmap = &masterinfo->rectmaps.wrectmap[j];
rectmap->coords[1].x += marleft;
BOX* rlbox = boxCreate(rectmap->coords[1].x,
rectmap->coords[1].y,
rectmap->coords[2].x,
rectmap->coords[2].y);
BOX* nlbox = boxCreate(rectmap->coords[0].x*k2settings->src_dpi/rectmap->srcdpiw/kctx->zoom + kctx->bbox.x0,
rectmap->coords[0].y*k2settings->src_dpi/rectmap->srcdpih/kctx->zoom + kctx->bbox.y0,
rectmap->coords[2].x*k2settings->src_dpi/rectmap->srcdpiw/kctx->zoom,
rectmap->coords[2].y*k2settings->src_dpi/rectmap->srcdpih/kctx->zoom);
boxaAddBox(rboxa, rlbox, L_INSERT);
boxaAddBox(nboxa, nlbox, L_INSERT);
wrectmaps_add_wrectmap(&kctx->rectmaps, rectmap);
/*printf("rectmap:coords:\t%.1f %.1f\t%.1f %.1f\t%.1f %.1f\t%.1f %.1f\n",
rectmap->coords[0].x, rectmap->coords[0].y,
rectmap->coords[1].x, rectmap->coords[1].y,
rectmap->coords[2].x, rectmap->coords[2].y,
rectmap->srcdpiw, rectmap->srcdpih);*/
}
/* 2D sort the bounding boxes of these words. */
BOXAA *rbaa = boxaSort2d(rboxa, NULL, 3, -5, 5);
BOXAA *nbaa = boxaSort2d(nboxa, NULL, 3, -5, 5);
/* Flatten the boxaa, saving the boxa index for each box */
kctx->rboxa = boxaaFlattenToBoxa(rbaa, &kctx->rnai, L_CLONE);
kctx->nboxa = boxaaFlattenToBoxa(nbaa, &kctx->nnai, L_CLONE);
boxaDestroy(&rboxa);
boxaaDestroy(&rbaa);
boxaDestroy(&nboxa);
boxaaDestroy(&nbaa);
bmp_free(src);
bmp_free(srcgrey);
bmpregion_free(®ion);
masterinfo_free(masterinfo, k2settings);
}
