Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Improved margins for some cropped documents #44

Merged
merged 2 commits into from
Feb 14, 2024
Merged

Improved margins for some cropped documents #44

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
bb9ba86
Improved margins for cropped documents
hugleo Feb 12, 2024
abf3d99
comments back to normal
hugleo Feb 12, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
29 changes: 25 additions & 4 deletions koptcrop.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,10 @@
#include "setting.h"
#include "koptcrop.h"

float min(float a, float b) {
return (a < b) ? a : b;
}

void k2pdfopt_crop_bmp(KOPTContext *kctx) {
static char *funcname="k2pdfopt_crop_bmp";
K2PDFOPT_SETTINGS _k2settings, *k2settings;
Expand All @@ -39,6 +43,14 @@ void k2pdfopt_crop_bmp(KOPTContext *kctx) {
int *colcount,*rowcount;
int i,j;
float margin;
float margin_bottom;
float margin_left;
float margin_right;
float margin_top;
int original_c1;
int original_c2;
int original_r1;
int original_r2;

src = &kctx->src;
srcgrey = &_srcgrey;
Expand All @@ -65,6 +77,10 @@ void k2pdfopt_crop_bmp(KOPTContext *kctx) {
region, k2settings->src_rot, NULL, NULL, 1, -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);
original_c1 = region->c1;
original_c2 = region->c2;
original_r1 = region->r1;
original_r2 = region->r2;
bmpregion_trim_margins(region,k2settings,0xf);
margin = kctx->margin*k2settings->dst_dpi;
/*
Expand All @@ -78,10 +94,15 @@ void k2pdfopt_crop_bmp(KOPTContext *kctx) {
*/
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;
margin_bottom = min(margin, original_r2 - region->r2);
margin_left = min(margin, region->c1 - original_c1);
margin_right = min(margin, original_c2 - region->c2);
margin_top = min(margin, region->r1 - original_r1);

kctx->bbox.x0 = (float)region->c1 - margin_left;
kctx->bbox.y0 = (float)region->r1 - margin_top;
kctx->bbox.x1 = (float)region->c2 + margin_right;
kctx->bbox.y1 = (float)region->r2 + margin_bottom;

bmp_free(src);
bmp_free(srcgrey);
Expand Down