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PDF: Word wrap _cairo_pdf_operators_show_glyphs output

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This commit is contained in:
Adrian Johnson 2008-02-16 20:35:42 +10:30
parent bcb0395288
commit 204a27aadb
1 changed files with 24 additions and 14 deletions
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38
src/cairo-pdf-operators.c
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@ -589,11 +589,17 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
double Tlm_x = 0, Tlm_y = 0;
double Tm_x = 0, y;
int i, hex_width;
cairo_output_stream_t *word_wrap_stream;
for (i = 0; i < num_glyphs; i++)
cairo_matrix_transform_point (&pdf_operators->cairo_to_pdf, &glyphs[i].x, &glyphs[i].y);
_cairo_output_stream_printf (pdf_operators->stream,
word_wrap_stream = _word_wrap_stream_create (pdf_operators->stream, 79);
status = _cairo_output_stream_get_status (word_wrap_stream);
if (status)
return status;
_cairo_output_stream_printf (word_wrap_stream,
"BT\r\n");
if (scaled_font->scale.xy == 0.0 &&
@ -624,10 +630,10 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
if (subset_glyph.subset_id != current_subset_id) {
if (in_TJ) {
_cairo_output_stream_printf (pdf_operators->stream, ">] TJ\r\n");
_cairo_output_stream_printf (word_wrap_stream, ">] TJ\r\n");
in_TJ = FALSE;
}
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"/f-%d-%d 1 Tf\r\n",
subset_glyph.font_id,
subset_glyph.subset_id);
@ -641,7 +647,7 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
}
if (subset_glyph.subset_id != current_subset_id || !diagonal) {
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"%f %f %f %f %f %f Tm\r\n",
scaled_font->scale.xx,
-scaled_font->scale.yx,
@ -662,7 +668,7 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
{
if (!in_TJ) {
if (i != 0) {
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"%f %f Td\r\n",
(glyphs[i].x - Tlm_x)/scaled_font->scale.xx,
(glyphs[i].y - Tlm_y)/scaled_font->scale.yy);
@ -671,7 +677,7 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
Tlm_y = glyphs[i].y;
Tm_x = Tlm_x;
}
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"[<%0*x",
hex_width,
subset_glyph.subset_glyph_index);
@ -681,12 +687,12 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
if (fabs((glyphs[i].x - Tm_x)/scaled_font->scale.xx) > GLYPH_POSITION_TOLERANCE) {
double delta = glyphs[i].x - Tm_x;
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"> %f <",
-1000.0*delta/scaled_font->scale.xx);
Tm_x += delta;
}
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"%0*x",
hex_width,
subset_glyph.subset_glyph_index);
@ -699,12 +705,12 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
if (fabs((glyphs[i].x - Tm_x)/scaled_font->scale.xx) > GLYPH_POSITION_TOLERANCE) {
double delta = glyphs[i].x - Tm_x;
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"> %f <",
-1000.0*delta/scaled_font->scale.xx);
Tm_x += delta;
}
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"%0*x>] TJ\r\n",
hex_width,
subset_glyph.subset_glyph_index);
@ -712,7 +718,7 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
in_TJ = FALSE;
} else {
if (i != 0) {
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"%f %f Td ",
(glyphs[i].x - Tlm_x)/scaled_font->scale.xx,
(glyphs[i].y - Tlm_y)/-scaled_font->scale.yy);
@ -720,7 +726,7 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
Tlm_y = glyphs[i].y;
Tm_x = Tlm_x;
}
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"<%0*x> Tj ",
hex_width,
subset_glyph.subset_glyph_index);
@ -728,15 +734,19 @@ _cairo_pdf_operators_show_glyphs (cairo_pdf_operators_t *pdf_operators,
}
}
} else {
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"<%0*x> Tj\r\n",
hex_width,
subset_glyph.subset_glyph_index);
}
}
_cairo_output_stream_printf (pdf_operators->stream,
_cairo_output_stream_printf (word_wrap_stream,
"ET\r\n");
status = _cairo_output_stream_destroy (word_wrap_stream);
if (status)
return status;
return _cairo_output_stream_get_status (pdf_operators->stream);
}