static DiaPattern *
_create_preset_pattern (guint n)
{
DiaPattern *pat;
Color color;
g_return_val_if_fail (n < G_N_ELEMENTS (_pattern_presets), NULL);
switch (_pattern_presets[n].type) {
case DIA_LINEAR_GRADIENT:
pat = dia_pattern_new (_pattern_presets[n].type, 0, 0.0, 0.0);
if (_pattern_presets[n].flags != 0)
dia_pattern_set_point (pat,
_pattern_presets[n].flags & LEFT ? 1.0 : 0.0,
_pattern_presets[n].flags & DOWN ? 1.0 : 0.0);
break;
case DIA_RADIAL_GRADIENT:
pat = dia_pattern_new (_pattern_presets[n].type, 0, 0.5, 0.5);
dia_pattern_set_radius (pat, 0.5);
/* set the focal point to the center */
dia_pattern_set_point (pat, 0.5, 0.5);
break;
default :
g_assert_not_reached ();
}
color = attributes_get_background ();
dia_pattern_add_color (pat, 0.0, &color);
color = attributes_get_foreground ();
dia_pattern_add_color (pat, 1.0, &color);
return pat;
}
void updateFillColorStop(GfxState * state, double offset)
{
GfxRGB color;
Color fill = this->fill_color;
state->getFillRGB(&color);
fill.red = colToDbl(color.r);
fill.green = colToDbl(color.g);
fill.blue = colToDbl(color.b);
g_return_if_fail (this->pattern != NULL);
dia_pattern_add_color (this->pattern, offset, &fill);
}
