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pdf: allow embedding of cmyk jpeg images

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This commit is contained in:
Adrian Johnson 2011-12-06 20:46:21 +10:30
parent 25e35b46bf
commit 74c0a06105
1 changed files with 15 additions and 3 deletions
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18
src/cairo-pdf-surface.c
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@ -2330,6 +2330,7 @@ _cairo_pdf_surface_emit_jpeg_image (cairo_pdf_surface_t *surface,
const unsigned char *mime_data;
unsigned long mime_data_length;
cairo_image_info_t info;
const char *colorspace;
cairo_surface_get_mime_data (source, CAIRO_MIME_TYPE_JPEG,
&mime_data, &mime_data_length);
@ -2342,8 +2343,19 @@ _cairo_pdf_surface_emit_jpeg_image (cairo_pdf_surface_t *surface,
if (unlikely (status))
return status;
if (info.num_components != 1 && info.num_components != 3)
return CAIRO_INT_STATUS_UNSUPPORTED;
switch (info.num_components) {
case 1:
colorspace = "/DeviceGray";
break;
case 3:
colorspace = "/DeviceRGB";
break;
case 4:
colorspace = "/DeviceCMYK";
break;
default:
return CAIRO_INT_STATUS_UNSUPPORTED;
}
status = _cairo_pdf_surface_open_stream (surface,
&res,
@ -2357,7 +2369,7 @@ _cairo_pdf_surface_emit_jpeg_image (cairo_pdf_surface_t *surface,
" /Filter /DCTDecode\n",
info.width,
info.height,
info.num_components == 1 ? "/DeviceGray" : "/DeviceRGB",
colorspace,
info.bits_per_component);
if (unlikely (status))
return status;