Author: Carlos Lopez <[email protected]>
Date: Thu Nov 8 19:44:18 2012 +0100
Outline_Layer: When using the Cairo primitives to draw the outline (low
quality) use the average width properly.
---
synfig-core/src/modules/mod_geometry/outline.cpp | 21 +++++++++++++++------
1 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/synfig-core/src/modules/mod_geometry/outline.cpp
b/synfig-core/src/modules/mod_geometry/outline.cpp
index 1d7b7c1..8daa23a 100644
--- a/synfig-core/src/modules/mod_geometry/outline.cpp
+++ b/synfig-core/src/modules/mod_geometry/outline.cpp
@@ -900,18 +900,27 @@ Outline::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qu
segments=vector<synfig::Segment>(bline.get_list().begin(),
bline.get_list().end());
else
{
- synfig::warning("Region: incorrect type on bline, layer
disabled");
+ synfig::warning("Outline: incorrect type on bline,
layer disabled");
return false;
}
if(segments.empty())
{
- synfig::warning("Region: segment_list is empty, layer
disabled");
+ synfig::warning("Outline: segment_list is empty, layer
disabled");
return false;
}
+ //Calculate the average width
+ Real average_width(0);
+ std::vector<BLinePoint>
list(bline.get_list().begin(),bline.get_list().end());
+ std::vector<BLinePoint>::const_iterator biter;
+ for(biter=list.begin();biter!=list.end();++biter)
+ average_width+=biter->get_width();
+ if(list.size())
+ average_width/=list.size();
+
cairo_t* cr=cairo_create(surface);
- // Let's render the region in other surface
+ // Let's render the outline in other surface
// Initially I'll fill it completely with the alpha color
cairo_surface_t* subimage;
// Let's calculate the subimage dimensions based on the feather
value
@@ -973,7 +982,7 @@ Outline::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qu
{
cairo_paint(subcr);
}
- // Draw the region
+ // Draw the outline
cairo_translate(subcr, tx , ty);
cairo_scale(subcr, sx, sy);
@@ -1017,7 +1026,7 @@ Outline::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qu
if(!antialias)
cairo_set_antialias(subcr, CAIRO_ANTIALIAS_NONE);
- cairo_set_line_width(subcr, width+expand);
+ cairo_set_line_width(subcr, average_width*width+expand);
if(sharp_cusps)
cairo_set_line_join(subcr, CAIRO_LINE_JOIN_MITER);
else
@@ -1064,7 +1073,7 @@ Outline::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qu
cairosubimage.unmap_cairo_image();
}
- // Put the (feathered) region on the surface
+ // Put the (feathered) outline on the surface
if(!is_solid_color()) // we need to render the context before
if(!context.accelerated_cairorender(surface,quality,renddesc,cb))
{
------------------------------------------------------------------------------
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