fdo-mirrors/cairo
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/cairo/cairo.git synced 2026-01-04 19:10:20 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

pdf: support all image types

Browse source 
If the image is not rgb24/argb32/a8/a1, create a new image with the
same CAIRO_CONTENT and paint image to the new image.
This commit is contained in:
Adrian Johnson 2012-04-23 13:07:18 +09:30
parent c0b523eb65
commit 33f9e433ee
1 changed files with 31 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
src/cairo-pdf-surface.c
View file

@ -2323,7 +2323,7 @@ _cairo_pdf_surface_emit_smask (cairo_pdf_surface_t *surface,
* can be used to reference the data in image_ret. */
static cairo_status_t
_cairo_pdf_surface_emit_image (cairo_pdf_surface_t *surface,
cairo_image_surface_t *image,
cairo_image_surface_t *image_surf,
cairo_pdf_resource_t *image_res,
cairo_filter_t filter,
cairo_bool_t stencil_mask)
@ -2337,16 +2337,34 @@ _cairo_pdf_surface_emit_image (cairo_pdf_surface_t *surface,
cairo_bool_t need_smask;
const char *interpolate = "true";
cairo_image_color_t color;
cairo_image_surface_t *image;
/* These are the only image formats we currently support, (which
* makes things a lot simpler here). This is enforced through
* _cairo_pdf_surface_analyze_operation which only accept source surfaces of
* CONTENT_COLOR or CONTENT_COLOR_ALPHA.
*/
assert (image->format == CAIRO_FORMAT_RGB24 ||
image->format == CAIRO_FORMAT_ARGB32 ||
image->format == CAIRO_FORMAT_A8 ||
image->format == CAIRO_FORMAT_A1);
image = image_surf;
if (image->format != CAIRO_FORMAT_RGB24 &&
image->format != CAIRO_FORMAT_ARGB32 &&
image->format != CAIRO_FORMAT_A8 &&
image->format != CAIRO_FORMAT_A1)
{
cairo_surface_t *surf;
cairo_surface_pattern_t pattern;
surf = _cairo_image_surface_create_with_content (cairo_surface_get_content (&image_surf->base),
image_surf->width,
image_surf->height);
image = (cairo_image_surface_t *) surf;
if (surf->status) {
status = surf->status;
goto CLEANUP;
}
_cairo_pattern_init_for_surface (&pattern, &image_surf->base);
status = _cairo_surface_paint (surf,
CAIRO_OPERATOR_SOURCE, &pattern.base,
NULL);
_cairo_pattern_fini (&pattern.base);
if (unlikely (status))
goto CLEANUP;
}
switch (filter) {
case CAIRO_FILTER_GOOD:
@ -2497,6 +2515,9 @@ _cairo_pdf_surface_emit_image (cairo_pdf_surface_t *surface,
CLEANUP_RGB:
free (data);
CLEANUP:
if (image != image_surf)
cairo_surface_destroy (&image->base);
return status;
}