#include "fitz-imp.h"
#define SUBSCRIPT_OFFSET 0.2f
#define SUPERSCRIPT_OFFSET -0.2f
#include
#include FT_FREETYPE_H
/* XML, HTML and plain-text output */
static void
fz_print_style_begin(fz_context *ctx, fz_output *out, fz_stext_style *style)
{
int script = style->script;
fz_write_printf(ctx, out, "", style->id);
while (script-- > 0)
fz_write_printf(ctx, out, "");
while (++script < 0)
fz_write_printf(ctx, out, "");
}
static void
fz_print_style_end(fz_context *ctx, fz_output *out, fz_stext_style *style)
{
int script = style->script;
while (script-- > 0)
fz_write_printf(ctx, out, "");
while (++script < 0)
fz_write_printf(ctx, out, "");
fz_write_printf(ctx, out, "");
}
static void
fz_print_style(fz_context *ctx, fz_output *out, fz_stext_style *style)
{
const char *name = fz_font_name(ctx, style->font);
const char *s = strchr(name, '+');
s = s ? s + 1 : name;
fz_write_printf(ctx, out, "span.s%d{font-family:\"%s\";font-size:%gpt;",
style->id, s, style->size);
if (fz_font_is_italic(ctx, style->font))
fz_write_printf(ctx, out, "font-style:italic;");
if (fz_font_is_bold(ctx, style->font))
fz_write_printf(ctx, out, "font-weight:bold;");
fz_write_printf(ctx, out, "}\n");
}
void
fz_print_stext_sheet(fz_context *ctx, fz_output *out, fz_stext_sheet *sheet)
{
fz_stext_style *style;
for (style = sheet->style; style; style = style->next)
fz_print_style(ctx, out, style);
}
static void
send_data_base64_stext(fz_context *ctx, fz_output *out, fz_buffer *buffer)
{
size_t i, len;
static const char set[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
len = buffer->len/3;
for (i = 0; i < len; i++)
{
int c = buffer->data[3*i];
int d = buffer->data[3*i+1];
int e = buffer->data[3*i+2];
if ((i & 15) == 0)
fz_write_printf(ctx, out, "\n");
fz_write_printf(ctx, out, "%c%c%c%c", set[c>>2], set[((c&3)<<4)|(d>>4)], set[((d&15)<<2)|(e>>6)], set[e & 63]);
}
i *= 3;
switch (buffer->len-i)
{
case 2:
{
int c = buffer->data[i];
int d = buffer->data[i+1];
fz_write_printf(ctx, out, "%c%c%c=", set[c>>2], set[((c&3)<<4)|(d>>4)], set[((d&15)<<2)]);
break;
}
case 1:
{
int c = buffer->data[i];
fz_write_printf(ctx, out, "%c%c==", set[c>>2], set[(c&3)<<4]);
break;
}
default:
case 0:
break;
}
}
void
fz_print_stext_page_html(fz_context *ctx, fz_output *out, fz_stext_page *page)
{
int block_n, line_n, ch_n;
fz_stext_style *style = NULL;
fz_stext_line *line;
fz_stext_span *span;
void *last_region = NULL;
fz_write_printf(ctx, out, "\n");
for (block_n = 0; block_n < page->len; block_n++)
{
switch (page->blocks[block_n].type)
{
case FZ_PAGE_BLOCK_TEXT:
{
fz_stext_block * block = page->blocks[block_n].u.text;
fz_write_printf(ctx, out, "
\n");
for (line_n = 0; line_n < block->len; line_n++)
{
int lastcol=-1;
line = &block->lines[line_n];
style = NULL;
if (line->region != last_region)
{
if (last_region)
fz_write_printf(ctx, out, "
");
fz_write_printf(ctx, out, "
");
last_region = line->region;
}
fz_write_printf(ctx, out, "
region)
fz_write_printf(ctx, out, " region=\"%x\"", line->region);
#endif
fz_write_printf(ctx, out, ">");
for (span = line->first_span; span; span = span->next)
{
float size = fz_matrix_expansion(&span->transform);
float base_offset = span->base_offset / size;
if (lastcol != span->column)
{
if (lastcol >= 0)
{
fz_write_printf(ctx, out, "
");
}
/* If we skipped any columns then output some spacer spans */
while (lastcol < span->column-1)
{
fz_write_printf(ctx, out, "
");
lastcol++;
}
lastcol++;
/* Now output the span to contain this entire column */
fz_write_printf(ctx, out, "
next; sn; sn = sn->next)
{
if (sn->column != lastcol)
break;
}
fz_write_printf(ctx, out, "width:%g%%;align:%s", span->column_width, (span->align == 0 ? "left" : (span->align == 1 ? "center" : "right")));
}
if (span->indent > 1)
fz_write_printf(ctx, out, ";padding-left:1em;text-indent:-1em");
if (span->indent < -1)
fz_write_printf(ctx, out, ";text-indent:1em");
fz_write_printf(ctx, out, "\">");
}
#ifdef DEBUG_INTERNALS
fz_write_printf(ctx, out, "column)
fz_write_printf(ctx, out, " col=\"%x\"", span->column);
fz_write_printf(ctx, out, ">");
#endif
if (span->spacing >= 1)
fz_write_printf(ctx, out, " ");
if (base_offset > SUBSCRIPT_OFFSET)
fz_write_printf(ctx, out, "");
else if (base_offset < SUPERSCRIPT_OFFSET)
fz_write_printf(ctx, out, "");
for (ch_n = 0; ch_n < span->len; ch_n++)
{
fz_stext_char *ch = &span->text[ch_n];
if (style != ch->style)
{
if (style)
fz_print_style_end(ctx, out, style);
fz_print_style_begin(ctx, out, ch->style);
style = ch->style;
}
if (ch->c == '<')
fz_write_printf(ctx, out, "<");
else if (ch->c == '>')
fz_write_printf(ctx, out, ">");
else if (ch->c == '&')
fz_write_printf(ctx, out, "&");
else if (ch->c >= 32 && ch->c <= 127)
fz_write_printf(ctx, out, "%c", ch->c);
else
fz_write_printf(ctx, out, "%x;", ch->c);
}
if (style)
{
fz_print_style_end(ctx, out, style);
style = NULL;
}
if (base_offset > SUBSCRIPT_OFFSET)
fz_write_printf(ctx, out, "");
else if (base_offset < SUPERSCRIPT_OFFSET)
fz_write_printf(ctx, out, "");
#ifdef DEBUG_INTERNALS
fz_write_printf(ctx, out, "");
#endif
}
/* Close our floating span */
fz_write_printf(ctx, out, "
");
/* Close the line */
fz_write_printf(ctx, out, "
");
fz_write_printf(ctx, out, "\n");
}
/* Close the metaline */
fz_write_printf(ctx, out, "
");
last_region = NULL;
fz_write_printf(ctx, out, "
\n");
break;
}
case FZ_PAGE_BLOCK_IMAGE:
{
fz_image_block *image = page->blocks[block_n].u.image;
fz_compressed_buffer *buffer = fz_compressed_image_buffer(ctx, image->image);
fz_write_printf(ctx, out, "
image->w, image->image->h);
switch (buffer == NULL ? FZ_IMAGE_JPX : buffer->params.type)
{
case FZ_IMAGE_JPEG:
fz_write_printf(ctx, out, "image/jpeg;base64,");
send_data_base64_stext(ctx, out, buffer->buffer);
break;
case FZ_IMAGE_PNG:
fz_write_printf(ctx, out, "image/png;base64,");
send_data_base64_stext(ctx, out, buffer->buffer);
break;
default:
{
fz_buffer *buf = fz_new_buffer_from_image_as_png(ctx, image->image, NULL);
fz_write_printf(ctx, out, "image/png;base64,");
send_data_base64_stext(ctx, out, buf);
fz_drop_buffer(ctx, buf);
break;
}
}
fz_write_printf(ctx, out, "\">\n");
break;
}
}
}
fz_write_printf(ctx, out, "\n");
}
void
fz_print_stext_page_xml(fz_context *ctx, fz_output *out, fz_stext_page *page)
{
int block_n;
fz_write_printf(ctx, out, "\n",
page->mediabox.x1 - page->mediabox.x0,
page->mediabox.y1 - page->mediabox.y0);
for (block_n = 0; block_n < page->len; block_n++)
{
switch (page->blocks[block_n].type)
{
case FZ_PAGE_BLOCK_TEXT:
{
fz_stext_block *block = page->blocks[block_n].u.text;
fz_stext_line *line;
const char *s;
fz_write_printf(ctx, out, "\n",
block->bbox.x0, block->bbox.y0, block->bbox.x1, block->bbox.y1);
for (line = block->lines; line < block->lines + block->len; line++)
{
fz_stext_span *span;
fz_write_printf(ctx, out, "\n",
line->bbox.x0, line->bbox.y0, line->bbox.x1, line->bbox.y1);
for (span = line->first_span; span; span = span->next)
{
fz_stext_style *style = NULL;
const char *name = NULL;
int char_num;
for (char_num = 0; char_num < span->len; char_num++)
{
fz_stext_char *ch = &span->text[char_num];
if (ch->style != style)
{
if (style)
{
fz_write_printf(ctx, out, "\n");
}
style = ch->style;
name = fz_font_name(ctx, style->font);
s = strchr(name, '+');
s = s ? s + 1 : name;
fz_write_printf(ctx, out, "\n",
span->bbox.x0, span->bbox.y0, span->bbox.x1, span->bbox.y1,
s, style->size);
}
{
fz_rect rect;
fz_stext_char_bbox(ctx, &rect, span, char_num);
fz_write_printf(ctx, out, "p.x, ch->p.y);
}
switch (ch->c)
{
case '<': fz_write_printf(ctx, out, "<"); break;
case '>': fz_write_printf(ctx, out, ">"); break;
case '&': fz_write_printf(ctx, out, "&"); break;
case '"': fz_write_printf(ctx, out, """); break;
case '\'': fz_write_printf(ctx, out, "'"); break;
default:
if (ch->c >= 32 && ch->c <= 127)
fz_write_printf(ctx, out, "%c", ch->c);
else
fz_write_printf(ctx, out, "%x;", ch->c);
break;
}
fz_write_printf(ctx, out, "\"/>\n");
}
if (style)
fz_write_printf(ctx, out, "\n");
}
fz_write_printf(ctx, out, "\n");
}
fz_write_printf(ctx, out, "\n");
break;
}
case FZ_PAGE_BLOCK_IMAGE:
{
break;
}
}
}
fz_write_printf(ctx, out, "\n");
}
void
fz_print_stext_page(fz_context *ctx, fz_output *out, fz_stext_page *page)
{
int block_n;
for (block_n = 0; block_n < page->len; block_n++)
{
switch (page->blocks[block_n].type)
{
case FZ_PAGE_BLOCK_TEXT:
{
fz_stext_block *block = page->blocks[block_n].u.text;
fz_stext_line *line;
fz_stext_char *ch;
char utf[10];
int i, n;
for (line = block->lines; line < block->lines + block->len; line++)
{
fz_stext_span *span;
for (span = line->first_span; span; span = span->next)
{
for (ch = span->text; ch < span->text + span->len; ch++)
{
n = fz_runetochar(utf, ch->c);
for (i = 0; i < n; i++)
fz_write_printf(ctx, out, "%c", utf[i]);
}
}
fz_write_printf(ctx, out, "\n");
}
fz_write_printf(ctx, out, "\n");
break;
}
case FZ_PAGE_BLOCK_IMAGE:
break;
}
}
}