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PS: Allow %%BoundingBox and %%PageBoundingBox to be overriden using DSC comments

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This commit is contained in:
Adrian Johnson 2010-08-03 13:41:17 +09:30
parent b950212a2a
commit ea45bc1b4b
1 changed files with 27 additions and 11 deletions
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38
src/cairo-ps-surface.c
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@ -169,6 +169,7 @@ _cairo_ps_surface_emit_header (cairo_ps_surface_t *surface)
int i, num_comments;
int level;
const char *eps_header = "";
cairo_bool_t has_bbox;
if (surface->has_creation_date)
now = surface->creation_date;
@ -187,16 +188,11 @@ _cairo_ps_surface_emit_header (cairo_ps_surface_t *surface)
"%%!PS-Adobe-3.0%s\n"
"%%%%Creator: cairo %s (http://cairographics.org)\n"
"%%%%CreationDate: %s"
"%%%%Pages: %d\n"
"%%%%BoundingBox: %d %d %d %d\n",
"%%%%Pages: %d\n",
eps_header,
cairo_version_string (),
ctime_r (&now, ctime_buf),
surface->num_pages,
surface->bbox_x1,
surface->bbox_y1,
surface->bbox_x2,
surface->bbox_y2);
surface->num_pages);
_cairo_output_stream_printf (surface->final_stream,
"%%%%DocumentData: Clean7Bit\n"
@ -224,15 +220,28 @@ _cairo_ps_surface_emit_header (cairo_ps_surface_t *surface)
}
}
has_bbox = FALSE;
num_comments = _cairo_array_num_elements (&surface->dsc_header_comments);
comments = _cairo_array_index (&surface->dsc_header_comments, 0);
for (i = 0; i < num_comments; i++) {
_cairo_output_stream_printf (surface->final_stream,
"%s\n", comments[i]);
if (strncmp (comments[i], "%%BoundingBox:", 14) == 0)
has_bbox = TRUE;
free (comments[i]);
comments[i] = NULL;
}
if (!has_bbox) {
_cairo_output_stream_printf (surface->final_stream,
"%%%%BoundingBox: %d %d %d %d\n",
surface->bbox_x1,
surface->bbox_y1,
surface->bbox_x2,
surface->bbox_y2);
}
_cairo_output_stream_printf (surface->final_stream,
"%%%%EndComments\n");
@ -3795,7 +3804,7 @@ _cairo_ps_surface_set_bounding_box (void *abstract_surface,
int i, num_comments;
char **comments;
int x1, y1, x2, y2;
cairo_bool_t has_page_media;
cairo_bool_t has_page_media, has_page_bbox;
const char *page_media;
if (surface->eps) {
@ -3824,6 +3833,7 @@ _cairo_ps_surface_set_bounding_box (void *abstract_surface,
"%%%%BeginPageSetup\n");
has_page_media = FALSE;
has_page_bbox = FALSE;
num_comments = _cairo_array_num_elements (&surface->dsc_page_setup_comments);
comments = _cairo_array_index (&surface->dsc_page_setup_comments, 0);
for (i = 0; i < num_comments; i++) {
@ -3831,6 +3841,10 @@ _cairo_ps_surface_set_bounding_box (void *abstract_surface,
"%s\n", comments[i]);
if (strncmp (comments[i], "%%PageMedia:", 11) == 0)
has_page_media = TRUE;
if (strncmp (comments[i], "%%PageBoundingBox:", 18) == 0)
has_page_bbox = TRUE;
free (comments[i]);
comments[i] = NULL;
}
@ -3846,9 +3860,11 @@ _cairo_ps_surface_set_bounding_box (void *abstract_surface,
page_media);
}
_cairo_output_stream_printf (surface->stream,
"%%%%PageBoundingBox: %d %d %d %d\n",
x1, y1, x2, y2);
if (!has_page_bbox) {
_cairo_output_stream_printf (surface->stream,
"%%%%PageBoundingBox: %d %d %d %d\n",
x1, y1, x2, y2);
}
_cairo_output_stream_printf (surface->stream,
"%%%%EndPageSetup\n"