diff options
Diffstat (limited to 'src/display/cairo-utils.h')
| -rw-r--r-- | src/display/cairo-utils.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/display/cairo-utils.h b/src/display/cairo-utils.h index e67872891..d240545eb 100644 --- a/src/display/cairo-utils.h +++ b/src/display/cairo-utils.h @@ -15,6 +15,7 @@ #include <glib.h> #include <cairomm/cairomm.h> #include <2geom/forward.h> +#include "style.h" struct SPColor; struct _GdkPixbuf; @@ -81,6 +82,17 @@ public: } // namespace Inkscape +/** + * Key for cairo_surface_t to keep track of current color interpolation value + * Only the address of the structure is used, it is never initialized. See: + * http://www.cairographics.org/manual/cairo-Types.html#cairo-user-data-key-t + */ +static cairo_user_data_key_t ci_key; +SPColorInterpolation get_cairo_surface_ci(cairo_surface_t *surface); +void set_cairo_surface_ci(cairo_surface_t *surface, SPColorInterpolation cif); +void copy_cairo_surface_ci(cairo_surface_t *in, cairo_surface_t *out); +void convert_cairo_surface_ci(cairo_surface_t *surface, SPColorInterpolation cif); + void ink_cairo_set_source_color(cairo_t *ct, SPColor const &color, double opacity); void ink_cairo_set_source_rgba32(cairo_t *ct, guint32 rgba); void ink_cairo_transform(cairo_t *ct, Geom::Affine const &m); @@ -102,6 +114,9 @@ guint32 ink_cairo_surface_average_color(cairo_surface_t *surface); void ink_cairo_surface_average_color(cairo_surface_t *surface, double &r, double &g, double &b, double &a); void ink_cairo_surface_average_color_premul(cairo_surface_t *surface, double &r, double &g, double &b, double &a); +int ink_cairo_surface_srgb_to_linear(cairo_surface_t *surface); +int ink_cairo_surface_linear_to_srgb(cairo_surface_t *surface); + cairo_pattern_t *ink_cairo_pattern_create_checkerboard(); void convert_pixels_pixbuf_to_argb32(guchar *data, int w, int h, int rs); |