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-rw-r--r--source/pdf/pdf-appearance.c16
-rw-r--r--source/pdf/pdf-font.c19
-rw-r--r--source/pdf/pdf-image.c11
-rw-r--r--source/pdf/pdf-op-buffer.c9
-rw-r--r--source/pdf/pdf-pkcs7.c2
-rw-r--r--source/pdf/pdf-stream.c2
-rw-r--r--source/pdf/pdf-type3.c3
-rw-r--r--source/pdf/pdf-write.c84
-rw-r--r--source/pdf/pdf-xref.c2
9 files changed, 90 insertions, 58 deletions
diff --git a/source/pdf/pdf-appearance.c b/source/pdf/pdf-appearance.c
index f94103a9..5627aaa4 100644
--- a/source/pdf/pdf-appearance.c
+++ b/source/pdf/pdf-appearance.c
@@ -397,7 +397,7 @@ typedef struct text_splitter_s
float unscaled_width;
float fontsize;
float lineheight;
- char *text;
+ const char *text;
int done;
float x_orig;
float y_orig;
@@ -409,7 +409,7 @@ typedef struct text_splitter_s
int retry;
} text_splitter;
-static void text_splitter_init(text_splitter *splitter, font_info *info, char *text, float width, float height, int variable)
+static void text_splitter_init(text_splitter *splitter, font_info *info, const char *text, float width, float height, int variable)
{
float fontsize = info->da_rec.font_size;
@@ -442,7 +442,7 @@ static void text_splitter_start_line(text_splitter *splitter)
static int text_splitter_layout(fz_context *ctx, text_splitter *splitter)
{
- char *text;
+ const char *text;
float room;
float stride;
size_t count;
@@ -1899,7 +1899,7 @@ void pdf_update_ink_appearance(fz_context *ctx, pdf_document *doc, pdf_annot *an
}
}
-static void add_text(fz_context *ctx, font_info *font_rec, fz_text *text, char *str, size_t str_len, const fz_matrix *tm_)
+static void add_text(fz_context *ctx, font_info *font_rec, fz_text *text, const char *str, size_t str_len, const fz_matrix *tm_)
{
fz_font *font = font_rec->font->font;
fz_matrix tm = *tm_;
@@ -1940,7 +1940,7 @@ static fz_text *layout_text(fz_context *ctx, font_info *font_rec, char *str, flo
return text;
}
-static fz_text *fit_text(fz_context *ctx, font_info *font_rec, char *str, fz_rect *bounds)
+static fz_text *fit_text(fz_context *ctx, font_info *font_rec, const char *str, fz_rect *bounds)
{
float width = bounds->x1 - bounds->x0;
float height = bounds->y1 - bounds->y0;
@@ -1989,7 +1989,7 @@ static fz_text *fit_text(fz_context *ctx, font_info *font_rec, char *str, fz_rec
if (splitter.text[splitter.text_start] != ' ')
{
float dx, dy;
- char *word = str+splitter.text_start;
+ const char *word = str+splitter.text_start;
size_t wordlen = splitter.text_end-splitter.text_start;
text_splitter_move(&splitter, -line, &dx, &dy);
@@ -2374,7 +2374,6 @@ void pdf_set_signature_appearance(fz_context *ctx, pdf_document *doc, pdf_annot
fz_rect annot_rect;
fz_rect logo_bounds;
fz_matrix logo_tm;
- unsigned char *bufstr;
fz_rect rect;
pdf_to_rect(ctx, pdf_dict_get(ctx, annot->obj, PDF_NAME_Rect), &annot_rect);
@@ -2415,10 +2414,9 @@ void pdf_set_signature_appearance(fz_context *ctx, pdf_document *doc, pdf_annot
fz_buffer_printf(ctx, fzbuf, "\nDN: %s", dn);
if (date)
fz_buffer_printf(ctx, fzbuf, "\nDate: %s", date);
- (void)fz_buffer_storage(ctx, fzbuf, &bufstr);
rect = annot_rect;
rect.x0 = (rect.x0 + rect.x1)/2.0f;
- text = fit_text(ctx, &font_rec, (char *)bufstr, &rect);
+ text = fit_text(ctx, &font_rec, fz_string_from_buffer(ctx, fzbuf), &rect);
fz_fill_text(ctx, dev, text, &page_ctm, cs, font_rec.da_rec.col, 1.0f);
fz_close_device(ctx, dev);
diff --git a/source/pdf/pdf-font.c b/source/pdf/pdf-font.c
index 5b5c7735..a974c8d5 100644
--- a/source/pdf/pdf-font.c
+++ b/source/pdf/pdf-font.c
@@ -124,9 +124,11 @@ static const char *clean_font_name(const char *fontname)
static int is_builtin_font(fz_context *ctx, fz_font *font)
{
int size;
+ unsigned char *data;
if (!font->buffer)
return 0;
- return fz_lookup_base14_font(ctx, clean_font_name(font->name), &size) == (char*)font->buffer->data;
+ fz_buffer_storage(ctx, font->buffer, &data);
+ return fz_lookup_base14_font(ctx, clean_font_name(font->name), &size) == (char*)data;
}
/*
@@ -448,7 +450,7 @@ pdf_load_embedded_font(fz_context *ctx, pdf_document *doc, pdf_font_desc *fontde
fz_catch(ctx)
fz_rethrow(ctx);
- fontdesc->size += buf->len;
+ fontdesc->size += fz_buffer_storage(ctx, buf, NULL);
fontdesc->is_embedded = 1;
}
@@ -1032,15 +1034,17 @@ load_cid_font(fz_context *ctx, pdf_document *doc, pdf_obj *dict, pdf_obj *encodi
if (pdf_is_indirect(ctx, cidtogidmap))
{
fz_buffer *buf;
- size_t z;
+ size_t z, len;
+ unsigned char *data;
buf = pdf_load_stream(ctx, cidtogidmap);
- fontdesc->cid_to_gid_len = (buf->len) / 2;
+ len = fz_buffer_storage(ctx, buf, &data);
+ fontdesc->cid_to_gid_len = len / 2;
fontdesc->cid_to_gid = fz_malloc_array(ctx, fontdesc->cid_to_gid_len, sizeof(unsigned short));
fontdesc->size += fontdesc->cid_to_gid_len * sizeof(unsigned short);
for (z = 0; z < fontdesc->cid_to_gid_len; z++)
- fontdesc->cid_to_gid[z] = (buf->data[z * 2] << 8) + buf->data[z * 2 + 1];
+ fontdesc->cid_to_gid[z] = (data[z * 2] << 8) + data[z * 2 + 1];
fz_drop_buffer(ctx, buf);
}
@@ -1466,13 +1470,14 @@ pdf_add_font_file(fz_context *ctx, pdf_document *doc, fz_font *font)
fz_try(ctx)
{
+ size_t len = fz_buffer_storage(ctx, buf, NULL);
obj = pdf_new_dict(ctx, doc, 3);
- pdf_dict_put_drop(ctx, obj, PDF_NAME_Length1, pdf_new_int(ctx, doc, (int)buf->len));
+ pdf_dict_put_drop(ctx, obj, PDF_NAME_Length1, pdf_new_int(ctx, doc, (int)len));
switch (ft_font_file_kind(font->ft_face))
{
case 1:
/* TODO: these may not be the correct values, but I doubt it matters */
- pdf_dict_put_drop(ctx, obj, PDF_NAME_Length2, pdf_new_int(ctx, doc, (int)buf->len));
+ pdf_dict_put_drop(ctx, obj, PDF_NAME_Length2, pdf_new_int(ctx, doc, (int)len));
pdf_dict_put_drop(ctx, obj, PDF_NAME_Length3, pdf_new_int(ctx, doc, 0));
break;
case 2:
diff --git a/source/pdf/pdf-image.c b/source/pdf/pdf-image.c
index 37e2ca50..b669948b 100644
--- a/source/pdf/pdf-image.c
+++ b/source/pdf/pdf-image.c
@@ -226,6 +226,9 @@ pdf_load_jpx(fz_context *ctx, pdf_document *doc, pdf_obj *dict, int forcemask)
/* FIXME: We can't handle decode arrays for indexed images currently */
fz_try(ctx)
{
+ unsigned char *data;
+ size_t len;
+
obj = pdf_dict_get(ctx, dict, PDF_NAME_ColorSpace);
if (obj)
{
@@ -233,7 +236,8 @@ pdf_load_jpx(fz_context *ctx, pdf_document *doc, pdf_obj *dict, int forcemask)
indexed = fz_colorspace_is_indexed(ctx, colorspace);
}
- pix = fz_load_jpx(ctx, buf->data, buf->len, colorspace, indexed);
+ len = fz_buffer_storage(ctx, buf, &data);
+ pix = fz_load_jpx(ctx, data, len, colorspace, indexed);
obj = pdf_dict_geta(ctx, dict, PDF_NAME_SMask, PDF_NAME_Mask);
if (pdf_is_dict(ctx, obj))
@@ -392,9 +396,8 @@ raw_or_unknown_compression:
s = pixmap->samples;
h = image->h;
size = image->w * n;
- buffer = fz_new_buffer(ctx, size * h);
- buffer->len = size * h;
- d = buffer->data;
+ d = fz_malloc(ctx, size * h);
+ buffer = fz_new_buffer_from_data(ctx, d, size * h);
if (pixmap->alpha == 0 || n == 1)
{
while (h--)
diff --git a/source/pdf/pdf-op-buffer.c b/source/pdf/pdf-op-buffer.c
index 2eb4323a..1bfe982a 100644
--- a/source/pdf/pdf-op-buffer.c
+++ b/source/pdf/pdf-op-buffer.c
@@ -548,6 +548,8 @@ pdf_out_BI(fz_context *ctx, pdf_processor *proc, fz_image *img)
fz_compressed_buffer *cbuf;
fz_buffer *buf;
int i;
+ unsigned char *data;
+ size_t len;
if (img == NULL)
return;
@@ -662,12 +664,13 @@ pdf_out_BI(fz_context *ctx, pdf_processor *proc, fz_image *img)
}
fz_printf(ctx, out, "ID\n");
+ len = fz_buffer_storage(ctx, buf, &data);
if (ahx)
{
size_t z;
- for (z = 0; z < buf->len; ++z)
+ for (z = 0; z < len; ++z)
{
- int c = buf->data[z];
+ int c = data[z];
fz_putc(ctx, out, "0123456789abcdef"[(c >> 4) & 0xf]);
fz_putc(ctx, out, "0123456789abcdef"[c & 0xf]);
if ((z & 31) == 31)
@@ -677,7 +680,7 @@ pdf_out_BI(fz_context *ctx, pdf_processor *proc, fz_image *img)
}
else
{
- fz_write(ctx, out, buf->data, buf->len);
+ fz_write(ctx, out, data, len);
}
fz_printf(ctx, out, "\nEI\n");
}
diff --git a/source/pdf/pdf-pkcs7.c b/source/pdf/pdf-pkcs7.c
index 934202e1..9fa15970 100644
--- a/source/pdf/pdf-pkcs7.c
+++ b/source/pdf/pdf-pkcs7.c
@@ -749,7 +749,7 @@ void pdf_sign_signature(fz_context *ctx, pdf_document *doc, pdf_widget *widget,
if (dn->c)
fz_buffer_printf(ctx, fzbuf, ", c=%s", dn->c);
- (void)fz_buffer_storage(ctx, fzbuf, (unsigned char **) &dn_str);
+ dn_str = fz_string_from_buffer(ctx, fzbuf);
pdf_set_signature_appearance(ctx, doc, (pdf_annot *)widget, dn->cn, dn_str, NULL);
}
}
diff --git a/source/pdf/pdf-stream.c b/source/pdf/pdf-stream.c
index b6645eca..289f27da 100644
--- a/source/pdf/pdf-stream.c
+++ b/source/pdf/pdf-stream.c
@@ -70,7 +70,7 @@ pdf_load_jbig2_globals(fz_context *ctx, pdf_document *doc, pdf_obj *dict)
{
buf = pdf_load_stream(ctx, dict);
globals = fz_load_jbig2_globals(ctx, buf);
- pdf_store_item(ctx, dict, globals, buf->len);
+ pdf_store_item(ctx, dict, globals, fz_buffer_storage(ctx, buf, NULL));
}
fz_always(ctx)
{
diff --git a/source/pdf/pdf-type3.c b/source/pdf/pdf-type3.c
index ede5a5ee..677a26e5 100644
--- a/source/pdf/pdf-type3.c
+++ b/source/pdf/pdf-type3.c
@@ -165,7 +165,8 @@ pdf_load_type3_font(fz_context *ctx, pdf_document *doc, pdf_obj *rdb, pdf_obj *d
if (pdf_is_stream(ctx, obj))
{
font->t3procs[i] = pdf_load_stream(ctx, obj);
- fontdesc->size += font->t3procs[i]->cap;
+ fz_trim_buffer(ctx, font->t3procs[i]);
+ fontdesc->size += fz_buffer_storage(ctx, font->t3procs[i], NULL);
fontdesc->size += 0; // TODO: display list size calculation
}
}
diff --git a/source/pdf/pdf-write.c b/source/pdf/pdf-write.c
index eb1a2f29..3401f59d 100644
--- a/source/pdf/pdf-write.c
+++ b/source/pdf/pdf-write.c
@@ -1517,11 +1517,13 @@ static inline int isbinary(int c)
return c < 32 || c > 127;
}
-static int isbinarystream(fz_buffer *buf)
+static int isbinarystream(fz_context *ctx, fz_buffer *buf)
{
+ unsigned char *data;
+ size_t len = fz_buffer_storage(ctx, buf, &data);
size_t i;
- for (i = 0; i < buf->len; i++)
- if (isbinary(buf->data[i]))
+ for (i = 0; i < len; i++)
+ if (isbinary(data[i]))
return 1;
return 0;
}
@@ -1529,25 +1531,25 @@ static int isbinarystream(fz_buffer *buf)
static fz_buffer *hexbuf(fz_context *ctx, unsigned char *p, size_t n)
{
static const char hex[17] = "0123456789abcdef";
- fz_buffer *buf;
int x = 0;
-
- buf = fz_new_buffer(ctx, n * 2 + (n / 32) + 2);
+ size_t len = n * 2 + (n / 32) + 2;
+ unsigned char *data = fz_malloc(ctx, len);
+ fz_buffer *buf = fz_new_buffer_from_data(ctx, data, len);
while (n--)
{
- buf->data[buf->len++] = hex[*p >> 4];
- buf->data[buf->len++] = hex[*p & 15];
+ *data++ = hex[*p >> 4];
+ *data++ = hex[*p & 15];
if (++x == 32)
{
- buf->data[buf->len++] = '\n';
+ *data++ = '\n';
x = 0;
}
p++;
}
- buf->data[buf->len++] = '>';
- buf->data[buf->len++] = '\n';
+ *data++ = '>';
+ *data++ = '\n';
return buf;
}
@@ -1609,19 +1611,23 @@ static fz_buffer *deflatebuf(fz_context *ctx, unsigned char *p, size_t n)
uLongf csize;
int t;
uLong longN = (uLong)n;
+ unsigned char *data;
+ size_t cap;
if (n != (size_t)longN)
fz_throw(ctx, FZ_ERROR_GENERIC, "Buffer to large to deflate");
- buf = fz_new_buffer(ctx, compressBound(longN));
- csize = (uLongf)buf->cap;
- t = compress(buf->data, &csize, p, longN);
+ cap = compressBound(longN);
+ data = fz_malloc(ctx, cap);
+ buf = fz_new_buffer_from_data(ctx, data, cap);
+ csize = (uLongf)cap;
+ t = compress(data, &csize, p, longN);
if (t != Z_OK)
{
fz_drop_buffer(ctx, buf);
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot deflate buffer");
}
- buf->len = csize;
+ fz_resize_buffer(ctx, buf, csize);
return buf;
}
@@ -1630,45 +1636,53 @@ static void copystream(fz_context *ctx, pdf_document *doc, pdf_write_state *opts
fz_buffer *buf, *tmp;
pdf_obj *newlen;
pdf_obj *obj;
+ size_t len;
+ unsigned char *data;
buf = pdf_load_raw_stream_number(ctx, doc, num);
obj = pdf_copy_dict(ctx, obj_orig);
+ len = fz_buffer_storage(ctx, buf, &data);
if (do_deflate && !pdf_dict_get(ctx, obj, PDF_NAME_Filter))
{
- tmp = deflatebuf(ctx, buf->data, buf->len);
- if (tmp->len >= buf->len)
+ size_t clen;
+ unsigned char *cdata;
+ tmp = deflatebuf(ctx, data, len);
+ clen = fz_buffer_storage(ctx, tmp, &cdata);
+ if (clen >= len)
{
/* Don't bother compressing, as we gain nothing. */
fz_drop_buffer(ctx, tmp);
}
else
{
+ len = clen;
+ data = cdata;
pdf_dict_put(ctx, obj, PDF_NAME_Filter, PDF_NAME_FlateDecode);
fz_drop_buffer(ctx, buf);
buf = tmp;
}
}
- if (opts->do_ascii && isbinarystream(buf))
+ if (opts->do_ascii && isbinarystream(ctx, buf))
{
- tmp = hexbuf(ctx, buf->data, buf->len);
+ tmp = hexbuf(ctx, data, len);
fz_drop_buffer(ctx, buf);
buf = tmp;
addhexfilter(ctx, doc, obj);
}
- newlen = pdf_new_int(ctx, doc, (int)buf->len);
+ newlen = pdf_new_int(ctx, doc, (int)len);
pdf_dict_put(ctx, obj, PDF_NAME_Length, newlen);
pdf_drop_obj(ctx, newlen);
fz_printf(ctx, opts->out, "%d %d obj\n", num, gen);
pdf_print_obj(ctx, opts->out, obj, opts->do_tight);
fz_puts(ctx, opts->out, "\nstream\n");
- fz_write(ctx, opts->out, buf->data, buf->len);
- if (buf->len > 0 && buf->data[buf->len-1] != '\n')
+ fz_write(ctx, opts->out, data, len);
+ if (len > 0 && data[len-1] != '\n')
fz_putc(ctx, opts->out, '\n');
fz_puts(ctx, opts->out, "endstream\nendobj\n\n");
@@ -1682,6 +1696,8 @@ static void expandstream(fz_context *ctx, pdf_document *doc, pdf_write_state *op
pdf_obj *newlen;
pdf_obj *obj;
int truncated = 0;
+ size_t len;
+ unsigned char *data;
buf = pdf_load_stream_truncated(ctx, doc, num, (opts->continue_on_error ? &truncated : NULL));
if (truncated && opts->errors)
@@ -1691,40 +1707,46 @@ static void expandstream(fz_context *ctx, pdf_document *doc, pdf_write_state *op
pdf_dict_del(ctx, obj, PDF_NAME_Filter);
pdf_dict_del(ctx, obj, PDF_NAME_DecodeParms);
+ len = fz_buffer_storage(ctx, buf, &data);
if (do_deflate)
{
- tmp = deflatebuf(ctx, buf->data, buf->len);
- if (tmp->len >= buf->len)
+ unsigned char *cdata;
+ size_t clen;
+ tmp = deflatebuf(ctx, data, len);
+ clen = fz_buffer_storage(ctx, tmp, &cdata);
+ if (clen >= len)
{
/* Don't bother compressing, as we gain nothing. */
fz_drop_buffer(ctx, tmp);
}
else
{
+ len = clen;
+ data = cdata;
pdf_dict_put(ctx, obj, PDF_NAME_Filter, PDF_NAME_FlateDecode);
fz_drop_buffer(ctx, buf);
buf = tmp;
}
}
- if (opts->do_ascii && isbinarystream(buf))
+ if (opts->do_ascii && isbinarystream(ctx, buf))
{
- tmp = hexbuf(ctx, buf->data, buf->len);
+ tmp = hexbuf(ctx, data, len);
fz_drop_buffer(ctx, buf);
buf = tmp;
addhexfilter(ctx, doc, obj);
}
- newlen = pdf_new_int(ctx, doc, (int)buf->len);
+ newlen = pdf_new_int(ctx, doc, (int)len);
pdf_dict_put(ctx, obj, PDF_NAME_Length, newlen);
pdf_drop_obj(ctx, newlen);
fz_printf(ctx, opts->out, "%d %d obj\n", num, gen);
pdf_print_obj(ctx, opts->out, obj, opts->do_tight);
fz_puts(ctx, opts->out, "\nstream\n");
- fz_write(ctx, opts->out, buf->data, buf->len);
- if (buf->len > 0 && buf->data[buf->len-1] != '\n')
+ fz_write(ctx, opts->out, data, len);
+ if (len > 0 && data[len-1] != '\n')
fz_putc(ctx, opts->out, '\n');
fz_puts(ctx, opts->out, "endstream\nendobj\n\n");
@@ -2439,7 +2461,7 @@ make_page_offset_hints(fz_context *ctx, pdf_document *doc, pdf_write_state *opts
/* Pad, and then do shared object hint table */
fz_write_buffer_pad(ctx, buf);
- opts->hints_shared_offset = (int)buf->len;
+ opts->hints_shared_offset = (int)fz_buffer_storage(ctx, buf, NULL);
/* Table F.5: */
/* Header Item 1: Object number of the first object in the shared
@@ -2516,7 +2538,7 @@ make_hint_stream(fz_context *ctx, pdf_document *doc, pdf_write_state *opts)
{
make_page_offset_hints(ctx, doc, opts, buf);
pdf_update_stream(ctx, doc, pdf_load_object(ctx, doc, pdf_xref_len(ctx, doc)-1), buf, 0);
- opts->hintstream_len = (int)buf->len;
+ opts->hintstream_len = (int)fz_buffer_storage(ctx, buf, NULL);
fz_drop_buffer(ctx, buf);
}
fz_catch(ctx)
diff --git a/source/pdf/pdf-xref.c b/source/pdf/pdf-xref.c
index 6280c2ff..df3c3254 100644
--- a/source/pdf/pdf-xref.c
+++ b/source/pdf/pdf-xref.c
@@ -2119,7 +2119,7 @@ pdf_update_stream(fz_context *ctx, pdf_document *doc, pdf_obj *obj, fz_buffer *n
fz_drop_buffer(ctx, x->stm_buf);
x->stm_buf = fz_keep_buffer(ctx, newbuf);
- pdf_dict_puts_drop(ctx, obj, "Length", pdf_new_int(ctx, doc, (int)newbuf->len));
+ pdf_dict_puts_drop(ctx, obj, "Length", pdf_new_int(ctx, doc, (int)fz_buffer_storage(ctx, newbuf, NULL)));
if (!compressed)
{
pdf_dict_dels(ctx, obj, "Filter");
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-25 08:39:27 +0000