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PS: Add support for emitting bitmapped glyphs into type3 fonts.

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The bitmap-font now passes when run against the ps backend.
This commit is contained in:
Carl Worth 2006-06-20 17:49:05 -07:00
parent cca08d9bce
commit c6c1da2a23
1 changed files with 39 additions and 6 deletions
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45
src/cairo-ps-surface.c
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@ -477,6 +477,9 @@ _cairo_ps_surface_emit_bitmap_glyph_data (cairo_ps_surface_t *surface,
{
cairo_scaled_glyph_t *scaled_glyph;
cairo_status_t status;
cairo_image_surface_t *image;
unsigned char *row, *byte;
int rows, cols, bytes_per_row;
status = _cairo_scaled_glyph_lookup (scaled_font,
glyph_index,
@ -484,6 +487,9 @@ _cairo_ps_surface_emit_bitmap_glyph_data (cairo_ps_surface_t *surface,
CAIRO_SCALED_GLYPH_INFO_SURFACE,
&scaled_glyph);
image = scaled_glyph->surface;
assert (image->format == CAIRO_FORMAT_A1);
_cairo_output_stream_printf (surface->final_stream,
"0 0 %f %f %f %f setcachedevice\n",
_cairo_fixed_to_double (scaled_glyph->bbox.p1.x),
@ -491,13 +497,40 @@ _cairo_ps_surface_emit_bitmap_glyph_data (cairo_ps_surface_t *surface,
_cairo_fixed_to_double (scaled_glyph->bbox.p2.x),
- _cairo_fixed_to_double (scaled_glyph->bbox.p1.y));
/* XXX: Should be painting the surface from scaled_glyph here, not just a filled rectangle. */
_cairo_output_stream_printf (surface->final_stream,
"%f %f %f %f rectfill\n",
_cairo_fixed_to_double (scaled_glyph->bbox.p1.x),
- _cairo_fixed_to_double (scaled_glyph->bbox.p2.y),
_cairo_fixed_to_double (scaled_glyph->bbox.p2.x) - _cairo_fixed_to_double (scaled_glyph->bbox.p1.x),
_cairo_fixed_to_double (scaled_glyph->bbox.p1.y) - _cairo_fixed_to_double (scaled_glyph->bbox.p2.y));
"<<\n"
" /ImageType 1\n"
" /Width %d\n"
" /Height %d\n"
" /ImageMatrix [%f %f %f %f %f %f]\n"
" /Decode [1 0]\n"
" /BitsPerComponent 1\n",
image->width,
image->height,
image->base.device_transform.xx,
image->base.device_transform.yx,
image->base.device_transform.xy,
image->base.device_transform.yy,
image->base.device_transform.x0,
- image->base.device_transform.y0);
_cairo_output_stream_printf (surface->final_stream,
" /DataSource {<");
bytes_per_row = (image->width + 7) / 8;
for (row = image->data, rows = image->height; rows; row += image->stride, rows--) {
for (byte = row, cols = (image->width + 7) / 8; cols; byte++, cols--) {
unsigned char output_byte = CAIRO_BITSWAP8_IF_LITTLE_ENDIAN (*byte);
_cairo_output_stream_printf (surface->final_stream, "%02x ", output_byte);
}
_cairo_output_stream_printf (surface->final_stream, "\n ");
}
_cairo_output_stream_printf (surface->final_stream,
" >}\n");
_cairo_output_stream_printf (surface->final_stream,
">>\n");
_cairo_output_stream_printf (surface->final_stream,
"imagemask\n");
return CAIRO_STATUS_SUCCESS;
}