diff options
author | Behdad Esfahbod <behdad@behdad.org> | 2006-07-31 14:44:42 -0400 |
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committer | Behdad Esfahbod <behdad@behdad.org> | 2006-07-31 14:44:42 -0400 |
commit | bdb4e1edadb78a2118ff70b28163f8bd4317f1ec (patch) | |
tree | c47566f83edc32e75d1e9dd0b1f53ac737e2afff /src/cairo-surface.c | |
parent | a8a0082c53d060e07c10c6efda9bb808e354fd59 (diff) |
Implement per-surface font options.
New internal function _cairo_surface_set_font_options is used to set them.
cairo_surface_create_similar propagates the font options of the other
surface into the newly created surface. Fixes bugs with font options in
fallback images and bug 4106.
Diffstat (limited to 'src/cairo-surface.c')
-rw-r--r-- | src/cairo-surface.c | 55 |
1 files changed, 49 insertions, 6 deletions
diff --git a/src/cairo-surface.c b/src/cairo-surface.c index fb25e075b..914e2c713 100644 --- a/src/cairo-surface.c +++ b/src/cairo-surface.c @@ -234,6 +234,8 @@ _cairo_surface_init (cairo_surface_t *surface, surface->current_clip_serial = 0; surface->is_snapshot = FALSE; + + surface->has_font_options = FALSE; } cairo_surface_t * @@ -242,15 +244,23 @@ _cairo_surface_create_similar_scratch (cairo_surface_t *other, int width, int height) { + cairo_surface_t *surface; + cairo_font_options_t options; + cairo_format_t format = _cairo_format_from_content (content); if (other->status) return (cairo_surface_t*) &_cairo_surface_nil; if (other->backend->create_similar) - return other->backend->create_similar (other, content, width, height); + surface = other->backend->create_similar (other, content, width, height); else - return cairo_image_surface_create (format, width, height); + surface = cairo_image_surface_create (format, width, height); + + cairo_surface_get_font_options (other, &options); + _cairo_surface_set_font_options (surface, &options); + + return surface; } /** @@ -503,6 +513,33 @@ cairo_surface_set_user_data (cairo_surface_t *surface, } /** + * _cairo_surface_set_font_options: + * @surface: a #cairo_surface_t + * @options: a #cairo_font_options_t object that contains the + * options to use for this surface instead of backend's default + * font options. + * + * Sets the default font rendering options for the surface. + * This is useful to correctly propagate default font options when + * falling back to an image surface in a backend implementation. + * This affects the options returned in cairo_surface_get_font_options(). + * + * If @options is %NULL the surface options are reset to those of + * the backend default. + **/ +void +_cairo_surface_set_font_options (cairo_surface_t *surface, + cairo_font_options_t *options) +{ + if (options) { + surface->has_font_options = TRUE; + _cairo_font_options_init_copy (&surface->font_options, options); + } else { + surface->has_font_options = FALSE; + } +} + +/** * cairo_surface_get_font_options: * @surface: a #cairo_surface_t * @options: a #cairo_font_options_t object into which to store @@ -518,11 +555,17 @@ void cairo_surface_get_font_options (cairo_surface_t *surface, cairo_font_options_t *options) { - if (!surface->finished && surface->backend->get_font_options) { - surface->backend->get_font_options (surface, options); - } else { - _cairo_font_options_init_default (options); + if (!surface->has_font_options) { + surface->has_font_options = TRUE; + + if (!surface->finished && surface->backend->get_font_options) { + surface->backend->get_font_options (surface, &surface->font_options); + } else { + _cairo_font_options_init_default (&surface->font_options); + } } + + _cairo_font_options_init_copy (options, &surface->font_options); } /** |