From 28d9955b1bd82077785b17f101495bc13c3737fc Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ghostscript.com>
Date: Tue, 11 Jan 2005 06:52:06 +0100
Subject: banded ripping in pdfrip
---
test/pdfrip.c | 123 ++++++++++++++++++++++++++++++++++++----------------------
1 file changed, 76 insertions(+), 47 deletions(-)
(limited to 'test/pdfrip.c')
diff --git a/test/pdfrip.c b/test/pdfrip.c
index 0da00d2b..92e3656f 100644
--- a/test/pdfrip.c
+++ b/test/pdfrip.c
@@ -3,10 +3,13 @@
int showtree = 0;
float zoom = 1.0;
+char *namefmt = "out-%02d.ppm";
+fz_renderer *gc;
+int nbands = 1;
void usage()
{
- fprintf(stderr, "usage: pdfrip [-d] [-p password] [-z zoom] file.pdf [pages...]\n");
+ fprintf(stderr, "usage: pdfrip [-d] [-b bands] [-o out-%%02d.ppm] [-p password] [-z zoom] file.pdf pages...\n");
exit(1);
}
@@ -14,13 +17,21 @@ void usage()
* Draw page
*/
-void showpage(pdf_xref *xref, fz_obj *pageobj)
+void showpage(pdf_xref *xref, fz_obj *pageobj, int pagenum)
{
fz_error *error;
pdf_page *page;
-
- fz_debugobj(pageobj);
- printf("\n");
+ char namebuf[256];
+ fz_pixmap *pix;
+ fz_matrix ctm;
+ fz_irect bbox;
+ fz_irect band;
+ FILE *f;
+ int x, y;
+ int w, h;
+ int b;
+
+ sprintf(namebuf, namefmt, pagenum);
error = pdf_loadpage(&page, xref, pageobj);
if (error)
@@ -28,6 +39,9 @@ void showpage(pdf_xref *xref, fz_obj *pageobj)
if (showtree)
{
+ fz_debugobj(pageobj);
+ printf("\n");
+
printf("page\n");
printf(" mediabox [ %g %g %g %g ]\n",
page->mediabox.min.x, page->mediabox.min.y,
@@ -43,37 +57,48 @@ void showpage(pdf_xref *xref, fz_obj *pageobj)
printf("endtree\n");
}
+ ctm = fz_concat(fz_translate(0, -page->mediabox.max.y),
+ fz_scale(zoom, -zoom));
+
+ bbox = fz_roundrect(page->mediabox);
+ bbox.min.x = bbox.min.x * zoom;
+ bbox.min.y = bbox.min.y * zoom;
+ bbox.max.x = bbox.max.x * zoom;
+ bbox.max.y = bbox.max.y * zoom;
+ w = bbox.max.x - bbox.min.x;
+ h = bbox.max.y - bbox.min.y;
+
+ f = fopen(namebuf, "wb");
+ fprintf(f, "P6\n%d %d\n255\n", w, h);
+
+ for (b = 0; b < nbands; b++)
{
- fz_pixmap *pix;
- fz_renderer *gc;
- fz_matrix ctm;
- fz_rect bbox;
-
- error = fz_newrenderer(&gc, pdf_devicergb, 0, 1024 * 512);
- if (error) fz_abort(error);
-
- ctm = fz_concat(fz_translate(0, -page->mediabox.max.y), fz_scale(zoom, -zoom));
-printf("ctm %g %g %g %g %g %g\n",
- ctm.a, ctm.b, ctm.c, ctm.d, ctm.e, ctm.f);
-
-printf("bounding!\n");
- bbox = fz_boundtree(page->tree, ctm);
-printf(" [%g %g %g %g]\n", bbox.min.x, bbox.min.y, bbox.max.x, bbox.max.y);
-printf("rendering!\n");
- bbox = page->mediabox;
- bbox.min.x = bbox.min.x * zoom;
- bbox.min.y = bbox.min.y * zoom;
- bbox.max.x = bbox.max.x * zoom;
- bbox.max.y = bbox.max.y * zoom;
- error = fz_rendertree(&pix, gc, page->tree, ctm, fz_roundrect(bbox), 1);
- if (error) fz_abort(error);
-printf("done!\n");
-
- fz_debugpixmap(pix);
- fz_droppixmap(pix);
+ printf("band %d / %d\n", b, nbands);
+
+ band.min.x = bbox.min.x;
+ band.max.x = bbox.max.x;
+ band.min.y = bbox.min.y + (h * b) / nbands;
+ band.max.y = bbox.min.y + (h * (b + 1)) / nbands;
+
+ error = fz_rendertree(&pix, gc, page->tree, ctm, band, 1);
+ if (error)
+ fz_abort(error);
+
+ for (y = 0; y < pix->h; y++)
+ {
+ for (x = 0; x < pix->w; x++)
+ {
+ putc(pix->samples[y * pix->w * 4 + x * 4 + 1], f);
+ putc(pix->samples[y * pix->w * 4 + x * 4 + 2], f);
+ putc(pix->samples[y * pix->w * 4 + x * 4 + 3], f);
+ }
+ }
- fz_droprenderer(gc);
+ fz_droppixmap(pix);
}
+
+ fclose(f);
+
}
int main(int argc, char **argv)
@@ -82,7 +107,7 @@ int main(int argc, char **argv)
char *filename;
pdf_xref *xref;
pdf_pagetree *pages;
- pdf_outline *outlines;
+ pdf_outlinetree *outlines;
int c;
char *password = "";
@@ -90,13 +115,15 @@ int main(int argc, char **argv)
fz_cpudetect();
fz_accelerate();
- while ((c = getopt(argc, argv, "dz:p:")) != -1)
+ while ((c = getopt(argc, argv, "dz:p:o:b:")) != -1)
{
switch (c)
{
case 'p': password = optarg; break;
case 'z': zoom = atof(optarg); break;
case 'd': ++showtree; break;
+ case 'o': namefmt = optarg; break;
+ case 'b': nbands = atoi(optarg); break;
default: usage();
}
}
@@ -105,31 +132,29 @@ int main(int argc, char **argv)
usage();
filename = argv[optind++];
-
+
error = pdf_newxref(&xref);
if (error)
fz_abort(error);
- error = pdf_loadxref(xref, filename);
+ error = pdf_openpdf(&xref, filename);
if (error)
fz_abort(error);
- error = pdf_decryptxref(xref);
+ error = pdf_decryptpdf(xref);
if (error)
fz_abort(error);
if (xref->crypt)
{
error = pdf_setpassword(xref->crypt, password);
- if (error) fz_abort(error);
+ if (error)
+ fz_abort(error);
}
error = pdf_loadpagetree(&pages, xref);
- if (error) fz_abort(error);
-
- outlines = nil;
-/* error = pdf_loadoutlinetree(&outlines, xref); */
-/* if (error) { fz_warn(error->msg); fz_droperror(error); } */
+ if (error)
+ fz_abort(error);
if (optind == argc)
{
@@ -140,21 +165,25 @@ int main(int argc, char **argv)
if (outlines)
{
printf("outlines\n");
- pdf_debugoutline(outlines, 0);
+ pdf_debugoutlinetree(outlines);
printf("\n");
}
}
+ error = fz_newrenderer(&gc, pdf_devicergb, 0, 1024 * 512);
+ if (error)
+ fz_abort(error);
+
for ( ; optind < argc; optind++)
{
int page = atoi(argv[optind]);
if (page < 1 || page > pdf_getpagecount(pages))
fprintf(stderr, "page out of bounds: %d\n", page);
printf("page %d\n", page);
- showpage(xref, pdf_getpageobject(pages, page - 1));
+ showpage(xref, pdf_getpageobject(pages, page - 1), page);
}
- pdf_closexref(xref);
+ pdf_closepdf(xref);
return 0;
}
--
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