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libgimpwidgets/color: move the cairo color utility functions to libgimpcolor

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Add CAIRO_CFLAGS to a lot of Makefiles to make this possible, and
because they pull in cairo via the libgimp headers.
This commit is contained in:
Michael Natterer
2011-04-28 15:50:39 +02:00
parent 268930f489
commit cc47b2a600
106 changed files with 428 additions and 257 deletions
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99
libgimpwidgets/gimpcairo-utils.c
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@ -41,44 +41,6 @@
**/
/**
* gimp_cairo_set_source_rgb:
* @cr: Cairo context
* @color: GimpRGB color
*
* Sets the source pattern within @cr to the solid opaque color
* described by @color.
*
* This function calls cairo_set_source_rgb() for you.
*
* Since: GIMP 2.6
**/
void
gimp_cairo_set_source_rgb (cairo_t *cr,
const GimpRGB *color)
{
cairo_set_source_rgb (cr, color->r, color->g, color->b);
}
/**
* gimp_cairo_set_source_rgba:
* @cr: Cairo context
* @color: GimpRGB color
*
* Sets the source pattern within @cr to the solid translucent color
* described by @color.
*
* This function calls cairo_set_source_rgba() for you.
*
* Since: GIMP 2.6
**/
void
gimp_cairo_set_source_rgba (cairo_t *cr,
const GimpRGB *color)
{
cairo_set_source_rgba (cr, color->r, color->g, color->b, color->a);
}
/**
* gimp_cairo_set_focus_line_pattern:
* @cr: Cairo context
@ -133,67 +95,6 @@ gimp_cairo_set_focus_line_pattern (cairo_t *cr,
return retval;
}
/**
* gimp_cairo_checkerboard_create:
* @cr: Cairo context
* @size: check size
* @light: light check color or %NULL to use the default light gray
* @dark: dark check color or %NULL to use the default dark gray
*
* Create a repeating checkerboard pattern.
*
* Return value: a new Cairo pattern that can be used as a source on @cr.
*
* Since: GIMP 2.6
**/
cairo_pattern_t *
gimp_cairo_checkerboard_create (cairo_t *cr,
gint size,
const GimpRGB *light,
const GimpRGB *dark)
{
cairo_t *context;
cairo_surface_t *surface;
cairo_pattern_t *pattern;
g_return_val_if_fail (cr != NULL, NULL);
g_return_val_if_fail (size > 0, NULL);
surface = cairo_surface_create_similar (cairo_get_target (cr),
CAIRO_CONTENT_COLOR,
2 * size, 2 * size);
context = cairo_create (surface);
if (light)
gimp_cairo_set_source_rgb (context, light);
else
cairo_set_source_rgb (context,
GIMP_CHECK_LIGHT, GIMP_CHECK_LIGHT, GIMP_CHECK_LIGHT);
cairo_rectangle (context, 0, 0, size, size);
cairo_rectangle (context, size, size, size, size);
cairo_fill (context);
if (dark)
gimp_cairo_set_source_rgb (context, dark);
else
cairo_set_source_rgb (context,
GIMP_CHECK_DARK, GIMP_CHECK_DARK, GIMP_CHECK_DARK);
cairo_rectangle (context, 0, size, size, size);
cairo_rectangle (context, size, 0, size, size);
cairo_fill (context);
cairo_destroy (context);
pattern = cairo_pattern_create_for_surface (surface);
cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
cairo_surface_destroy (surface);
return pattern;
}
/**
* gimp_cairo_surface_create_from_pixbuf:
* @pixbuf: a #GdkPixbuf