Author: Carlos Lopez <[email protected]>
Date: Sat Oct 13 20:26:16 2012 +0200
Cairo operators: add code for DARKEN blend method. The result is not exactly
the same and could be fixed later doing pixel operations.
---
synfig-core/src/synfig/cairo_operators.cpp | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/synfig-core/src/synfig/cairo_operators.cpp
b/synfig-core/src/synfig/cairo_operators.cpp
index 9f490bc..ae93917 100644
--- a/synfig-core/src/synfig/cairo_operators.cpp
+++ b/synfig-core/src/synfig/cairo_operators.cpp
@@ -74,7 +74,6 @@ void cairo_paint_with_alpha_operator(cairo_t* acr, float
alpha, Color::BlendMeth
}
case Color::BLEND_BRIGHTEN:
{
-
cairo_surface_t*
dest=cairo_copy_target_image(cairo_get_target(cr), alpha);
cairo_set_operator(cr, CAIRO_OPERATOR_HSL_LUMINOSITY);
cairo_identity_matrix(cr);
@@ -82,6 +81,15 @@ void cairo_paint_with_alpha_operator(cairo_t* acr, float
alpha, Color::BlendMeth
cairo_surface_destroy(dest);
break;
}
+ case Color::BLEND_DARKEN:
+ {
+ cairo_surface_t*
dest=cairo_copy_target_image(cairo_get_target(cr), alpha);
+ cairo_set_operator(cr, CAIRO_OPERATOR_DARKEN);
+ cairo_identity_matrix(cr);
+ cairo_mask_surface(cr, dest, 0,0);
+ cairo_surface_destroy(dest);
+ break;
+ }
case Color::BLEND_BEHIND:
{
cairo_set_operator(cr, CAIRO_OPERATOR_DEST_OVER);
------------------------------------------------------------------------------
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