void
fz_write_base64(fz_context *ctx, fz_output *out, const unsigned char *data, int size, int newline)
{
static const char set[64] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
int i;
for (i = 0; i + 3 < size; i += 3)
{
int c = data[i];
int d = data[i+1];
int e = data[i+2];
if (newline && (i & 15) == 0)
fz_write_byte(ctx, out, '\n');
fz_write_byte(ctx, out, set[c>>2]);
fz_write_byte(ctx, out, set[((c&3)<<4)|(d>>4)]);
fz_write_byte(ctx, out, set[((d&15)<<2)|(e>>6)]);
fz_write_byte(ctx, out, set[e&63]);
}
if (size - i == 2)
{
int c = data[i];
int d = data[i+1];
fz_write_byte(ctx, out, set[c>>2]);
fz_write_byte(ctx, out, set[((c&3)<<4)|(d>>4)]);
fz_write_byte(ctx, out, set[((d&15)<<2)]);
fz_write_byte(ctx, out, '=');
}
void
fz_print_stext_page_as_text(fz_context *ctx, fz_output *out, fz_stext_page *page)
{
fz_stext_block *block;
fz_stext_line *line;
fz_stext_char *ch;
char utf[10];
int i, n;
for (block = page->first_block; block; block = block->next)
{
if (block->type == FZ_STEXT_BLOCK_TEXT)
{
for (line = block->u.t.first_line; line; line = line->next)
{
for (ch = line->first_char; ch; ch = ch->next)
{
n = fz_runetochar(utf, ch->c);
for (i = 0; i < n; i++)
fz_write_byte(ctx, out, utf[i]);
}
fz_write_string(ctx, out, "\n");
}
fz_write_string(ctx, out, "\n");
}
}
}
void
fz_print_stext_block_as_html(fz_context *ctx, fz_output *out, fz_stext_block *block)
{
fz_stext_line *line;
fz_stext_char *ch;
int x, y;
fz_font *font = NULL;
float size = 0;
int sup = 0;
for (line = block->u.t.first_line; line; line = line->next)
{
x = line->bbox.x0;
y = line->bbox.y0;
fz_write_printf(ctx, out, "<p style=\"top:%dpt;left:%dpt;\">", y, x);
font = NULL;
for (ch = line->first_char; ch; ch = ch->next)
{
int ch_sup = detect_super_script(line, ch);
if (ch->font != font || ch->size != size)
{
if (font)
fz_print_style_end_html(ctx, out, font, size, sup);
font = ch->font;
size = ch->size;
sup = ch_sup;
fz_print_style_begin_html(ctx, out, font, size, sup);
}
switch (ch->c)
{
default:
if (ch->c >= 32 && ch->c <= 127)
fz_write_byte(ctx, out, ch->c);
else
fz_write_printf(ctx, out, "&#x%x;", ch->c);
break;
case '<': fz_write_string(ctx, out, "<"); break;
case '>': fz_write_string(ctx, out, ">"); break;
case '&': fz_write_string(ctx, out, "&"); break;
case '"': fz_write_string(ctx, out, """); break;
case '\'': fz_write_string(ctx, out, "'"); break;
}
}
if (font)
fz_print_style_end_html(ctx, out, font, size, sup);
fz_write_string(ctx, out, "</p>\n");
}
}
static void
fz_write_pdf_string(fz_context *ctx, fz_output *out, const unsigned char *str, int len)
{
int i;
for (i = 0; i < len; ++i)
if (str[i] < 32 || str[i] >= 127)
break;
if (i < len)
{
fz_write_byte(ctx, out, '<');
for (i = 0; i < len; ++i)
{
unsigned char c = str[i];
fz_write_byte(ctx, out, "0123456789abcdef"[(c>>4)&15]);
fz_write_byte(ctx, out, "0123456789abcdef"[(c)&15]);
}
fz_write_byte(ctx, out, '>');
}
void
fz_output_pcl(fz_output *out, const fz_pixmap *pixmap, fz_pcl_options *pcl)
{
//unsigned char *sp;
//int y, x, sn, dn, ss;
fz_context *ctx;
if (!out || !pixmap)
return;
ctx = out->ctx;
if (pixmap->n != 1 && pixmap->n != 2 && pixmap->n != 4)
fz_throw(ctx, FZ_ERROR_GENERIC, "pixmap must be grayscale or rgb to write as pcl");
pcl_header(out, pcl, 1, pixmap->xres);
#if 0
sn = pixmap->n;
dn = pixmap->n;
if (dn == 2 || dn == 4)
dn--;
/* Now output the actual bitmap, using a packbits like compression */
sp = pixmap->samples;
ss = pixmap->w * sn;
y = 0;
while (y < pixmap->h)
{
int yrep;
assert(sp == pixmap->samples + y * ss);
/* Count the number of times this line is repeated */
for (yrep = 1; yrep < 256 && y+yrep < pixmap->h; yrep++)
{
if (memcmp(sp, sp + yrep * ss, ss) != 0)
break;
}
fz_write_byte(out, yrep-1);
/* Encode the line */
x = 0;
while (x < pixmap->w)
{
int d;
assert(sp == pixmap->samples + y * ss + x * sn);
/* How far do we have to look to find a repeated value? */
for (d = 1; d < 128 && x+d < pixmap->w; d++)
{
if (memcmp(sp + (d-1)*sn, sp + d*sn, sn) == 0)
break;
}
if (d == 1)
{
int xrep;
/* We immediately have a repeat (or we've hit
* the end of the line). Count the number of
* times this value is repeated. */
for (xrep = 1; xrep < 128 && x+xrep < pixmap->w; xrep++)
{
if (memcmp(sp, sp + xrep*sn, sn) != 0)
break;
}
fz_write_byte(out, xrep-1);
fz_write(out, sp, dn);
sp += sn*xrep;
x += xrep;
}
else
{
fz_write_byte(out, 257-d);
x += d;
while (d > 0)
{
fz_write(out, sp, dn);
sp += sn;
d--;
}
}
}
/* Move to the next line */
sp += ss*(yrep-1);
y += yrep;
}
#endif
}
static void
pwg_write_band(fz_context *ctx, fz_band_writer *writer_, int stride, int band_start, int band_height, const unsigned char *samples)
{
pwg_band_writer *writer = (pwg_band_writer *)writer_;
fz_output *out = writer->super.out;
int w = writer->super.w;
int h = writer->super.h;
const unsigned char *sp = samples;
int n = writer->super.n;
int ss = w * n;
int y, x;
/* Now output the actual bitmap, using a packbits like compression */
y = 0;
while (y < h)
{
int yrep;
assert(sp == samples + y * stride);
/* Count the number of times this line is repeated */
for (yrep = 1; yrep < 256 && y+yrep < h; yrep++)
{
if (memcmp(sp, sp + yrep * stride, ss) != 0)
break;
}
fz_write_byte(ctx, out, yrep-1);
/* Encode the line */
x = 0;
while (x < w)
{
int d;
assert(sp == samples + y * stride + x * n);
/* How far do we have to look to find a repeated value? */
for (d = 1; d < 128 && x+d < w; d++)
{
if (memcmp(sp + (d-1)*n, sp + d*n, n) == 0)
break;
}
if (d == 1)
{
int xrep;
/* We immediately have a repeat (or we've hit
* the end of the line). Count the number of
* times this value is repeated. */
for (xrep = 1; xrep < 128 && x+xrep < w; xrep++)
{
if (memcmp(sp, sp + xrep*n, n) != 0)
break;
}
fz_write_byte(ctx, out, xrep-1);
fz_write_data(ctx, out, sp, n);
sp += n*xrep;
x += xrep;
}
else
{
fz_write_byte(ctx, out, 257-d);
x += d;
while (d > 0)
{
fz_write_data(ctx, out, sp, n);
sp += n;
d--;
}
}
}
/* Move to the next line */
sp += stride*(yrep-1);
y += yrep;
}
}
static void
pwg_write_mono_band(fz_context *ctx, fz_band_writer *writer_, int stride, int band_start, int band_height, const unsigned char *samples)
{
pwg_band_writer *writer = (pwg_band_writer *)writer_;
fz_output *out = writer->super.out;
int w = writer->super.w;
int h = writer->super.h;
const unsigned char *sp;
int y, x;
int byte_width;
/* Now output the actual bitmap, using a packbits like compression */
sp = samples;
byte_width = (w+7)/8;
y = 0;
while (y < band_height)
{
int yrep;
assert(sp == samples + y * stride);
/* Count the number of times this line is repeated */
for (yrep = 1; yrep < 256 && y+yrep < h; yrep++)
{
if (memcmp(sp, sp + yrep * stride, byte_width) != 0)
break;
}
fz_write_byte(ctx, out, yrep-1);
/* Encode the line */
x = 0;
while (x < byte_width)
{
int d;
assert(sp == samples + y * stride + x);
/* How far do we have to look to find a repeated value? */
for (d = 1; d < 128 && x+d < byte_width; d++)
{
if (sp[d-1] == sp[d])
break;
}
if (d == 1)
{
int xrep;
/* We immediately have a repeat (or we've hit
* the end of the line). Count the number of
* times this value is repeated. */
for (xrep = 1; xrep < 128 && x+xrep < byte_width; xrep++)
{
if (sp[0] != sp[xrep])
break;
}
fz_write_byte(ctx, out, xrep-1);
fz_write_data(ctx, out, sp, 1);
sp += xrep;
x += xrep;
}
else
{
fz_write_byte(ctx, out, 257-d);
fz_write_data(ctx, out, sp, d);
sp += d;
x += d;
}
}
/* Move to the next line */
sp += stride*yrep - byte_width;
y += yrep;
}
}
static void
fz_write_emit(fz_context *ctx, void *out, int c)
{
fz_write_byte(ctx, out, c);
}
void
fz_output_pwg_bitmap_page(fz_context *ctx, fz_output *out, const fz_bitmap *bitmap, const fz_pwg_options *pwg)
{
unsigned char *sp;
int y, x, ss;
int byte_width;
if (!out || !bitmap)
return;
output_header(ctx, out, pwg, bitmap->xres, bitmap->yres, bitmap->w, bitmap->h, 1);
/* Now output the actual bitmap, using a packbits like compression */
sp = bitmap->samples;
ss = bitmap->stride;
byte_width = (bitmap->w+7)/8;
y = 0;
while (y < bitmap->h)
{
int yrep;
assert(sp == bitmap->samples + y * ss);
/* Count the number of times this line is repeated */
for (yrep = 1; yrep < 256 && y+yrep < bitmap->h; yrep++)
{
if (memcmp(sp, sp + yrep * ss, byte_width) != 0)
break;
}
fz_write_byte(ctx, out, yrep-1);
/* Encode the line */
x = 0;
while (x < byte_width)
{
int d;
assert(sp == bitmap->samples + y * ss + x);
/* How far do we have to look to find a repeated value? */
for (d = 1; d < 128 && x+d < byte_width; d++)
{
if (sp[d-1] == sp[d])
break;
}
if (d == 1)
{
int xrep;
/* We immediately have a repeat (or we've hit
* the end of the line). Count the number of
* times this value is repeated. */
for (xrep = 1; xrep < 128 && x+xrep < byte_width; xrep++)
{
if (sp[0] != sp[xrep])
break;
}
fz_write_byte(ctx, out, xrep-1);
fz_write(ctx, out, sp, 1);
sp += xrep;
x += xrep;
}
else
{
fz_write_byte(ctx, out, 257-d);
fz_write(ctx, out, sp, d);
sp += d;
x += d;
}
}
/* Move to the next line */
sp += ss*yrep - byte_width;
y += yrep;
}
}
void
fz_save_gproof(fz_context *ctx, const char *pdf_file, fz_document *doc, const char *filename, int res,
const char *print_profile, const char *display_profile)
{
int i;
int num_pages = fz_count_pages(ctx, doc);
fz_output *out;
fz_page *page = NULL;
fz_var(page);
if (num_pages <= 0)
fz_throw(ctx, FZ_ERROR_GENERIC, "Cannot write a 0 page GProof skeleton file");
out = fz_new_output_with_path(ctx, filename, 0);
fz_try(ctx)
{
/* File Signature: GPRO */
fz_write_int32_le(ctx, out, 0x4f525047);
/* Version = 1 */
fz_write_byte(ctx, out, 1);
fz_write_byte(ctx, out, 0);
/* Resolution */
fz_write_int32_le(ctx, out, res);
/* Num Pages */
fz_write_int32_le(ctx, out, num_pages);
for (i = 0; i < num_pages; i++)
{
fz_rect rect;
int w, h;
page = fz_load_page(ctx, doc, i);
fz_bound_page(ctx, page, &rect);
fz_drop_page(ctx, page);
page = NULL;
/* Same lack of rounding as gs uses */
w = (int)((rect.x1 - rect.x0) * res / 72.0);
h = (int)((rect.y1 - rect.y0) * res / 72.0);
fz_write_int32_le(ctx, out, w);
fz_write_int32_le(ctx, out, h);
}
/* Filenames */
fz_write(ctx, out, pdf_file, strlen(pdf_file)+1);
fz_write(ctx, out, print_profile, strlen(print_profile) + 1);
fz_write(ctx, out, display_profile, strlen(display_profile) + 1);
}
fz_always(ctx)
{
fz_drop_page(ctx, page);
fz_drop_output(ctx, out);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
}
