Author: Carlos Lopez <genet...@gmail.com>
Date: Wed Jul 18 20:13:47 2012 +0200
Support for Layer_Composite::accelereated_cairorender. Move to private the
Layer_Bitmap's cairo_surface_t* and provide get and set members. On
cairorender, use get_cairocolor instead of get_color.
---
synfig-core/src/synfig/layer_bitmap.cpp | 46 ++++++++++++++++++----
synfig-core/src/synfig/layer_bitmap.h | 5 ++-
synfig-core/src/synfig/layer_composite.cpp | 59 ++++++++++++++++++++++++++++
synfig-core/src/synfig/layer_composite.h | 3 +
synfig-core/src/synfig/render.cpp | 24 ++---------
5 files changed, 108 insertions(+), 29 deletions(-)
diff --git a/synfig-core/src/synfig/layer_bitmap.cpp
b/synfig-core/src/synfig/layer_bitmap.cpp
index f578f09..9af2b35 100644
--- a/synfig-core/src/synfig/layer_bitmap.cpp
+++ b/synfig-core/src/synfig/layer_bitmap.cpp
@@ -117,7 +117,7 @@ synfig::Layer_Bitmap::get_param(const String & param)const
break;
case CAIRO:
default:
-
ret2=int(cairo_image_surface_get_width(cairosurface));
+ ret2=int(cairo_image_surface_get_width(cs_));
break;
}
ret1.set_static(get_param_static(param));
@@ -137,7 +137,7 @@ synfig::Layer_Bitmap::get_param(const String & param)const
break;
case CAIRO:
default:
-
ret2=int(cairo_image_surface_get_height(cairosurface));
+ ret2=int(cairo_image_surface_get_height(cs_));
break;
}
ret1.set_static(get_param_static(param));
@@ -310,7 +310,7 @@ synfig::Layer_Bitmap::get_color(Context context, const
Point &pos)const
CairoColor
synfig::Layer_Bitmap::get_cairocolor(Context context, const Point &pos)const
{
- CairoSurface c_surface(cairosurface);
+ CairoSurface c_surface(cs_); // TODO: don't map/unmap everytime! It is
very time consuming!
c_surface.map_cairo_image();
Point surface_pos;
@@ -666,7 +666,7 @@ Layer_Bitmap::accelerated_cairorender(Context context,
cairo_surface_t *out_surf
interp=1;
//if we don't actually have a valid surface just skip us
- if(cairo_surface_status(cairosurface) &&
cairo_surface_get_type(cairosurface)!=CAIRO_SURFACE_TYPE_IMAGE)
+ if(cairo_surface_status(cs_) &&
cairo_surface_get_type(cs_)!=CAIRO_SURFACE_TYPE_IMAGE)
{
// Render what is behind us
return
context.accelerated_cairorender(out_surface,quality,renddesc,cb);
@@ -680,8 +680,8 @@ Layer_Bitmap::accelerated_cairorender(Context context,
cairo_surface_t *out_surf
int outw = renddesc.get_w();
int outh = renddesc.get_h();
- int inw = cairo_image_surface_get_width(cairosurface);
- int inh = cairo_image_surface_get_height(cairosurface);
+ int inw = cairo_image_surface_get_width(cs_);
+ int inh = cairo_image_surface_get_height(cs_);
if( get_amount()==1 && // our bitmap is full opaque
@@ -696,7 +696,7 @@ Layer_Bitmap::accelerated_cairorender(Context context,
cairo_surface_t *out_surf
{
cairo_t* cr=cairo_create(out_surface); //
create a cairo context with the out surface
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
// set operator to ignore destiny
- cairo_set_source_surface(cr, cairosurface, 0,
0); // set the source our cairosurface
+ cairo_set_source_surface(cr, cs_, 0, 0); // set
the source our cairosurface
cairo_paint(cr); // paint on the destiny
cairo_destroy(cr); // finaly destroy the cairo
context pointer
}
@@ -742,7 +742,7 @@ Layer_Bitmap::accelerated_cairorender(Context context,
cairo_surface_t *out_surf
}
// TODO: filter the image with gamma_adjust!!
cairo_t* cr=cairo_create(out_surface); // create a cairo context with
the out surface
- cairo_set_source_surface(cr, cairosurface, 0,0);
+ cairo_set_source_surface(cr, cs_, 0,0);
cairo_pattern_set_filter(cairo_get_source(cr), filter);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); // TODO: this has to be a
custom operator
@@ -763,3 +763,33 @@ Layer_Bitmap::get_bounding_rect()const
{
return Rect(tl,br);
}
+
+
+void
+Layer_Bitmap::set_cairo_surface(cairo_surface_t *cs)
+{
+ if(cs==NULL)
+ {
+ synfig::error("Layer_Bitmap received a NULL cairo_surface_t");
+ return;
+ }
+ if(cairo_surface_status(cs))
+ {
+ synfig::error("Layer_Bitmap received a non valid
cairo_surface_t");
+ return;
+ }
+ else
+ {
+ if(cs_!=NULL)
+ cairo_surface_destroy(cs_);
+ cs_=cairo_surface_reference(cs);
+ }
+}
+
+cairo_surface_t*
+Layer_Bitmap::get_cairo_surface()const
+{
+ assert(cs_);
+ return cairo_surface_reference(cs_);
+}
+
diff --git a/synfig-core/src/synfig/layer_bitmap.h
b/synfig-core/src/synfig/layer_bitmap.h
index a957fc9..cd75d7d 100644
--- a/synfig-core/src/synfig/layer_bitmap.h
+++ b/synfig-core/src/synfig/layer_bitmap.h
@@ -47,6 +47,7 @@ class Layer_Bitmap : public Layer_Composite, public
Layer_NoDeform
const Color& filter(Color& c)const;
const CairoColor& filter(CairoColor& c)const;
RenderMethod method;
+ mutable cairo_surface_t* cs_;
public:
typedef etl::handle<Layer_Bitmap> Handle;
@@ -54,7 +55,6 @@ public:
Point br;
int c;
mutable Surface surface;
- mutable cairo_surface_t* cairosurface;
mutable bool trimmed;
mutable unsigned int width, height, top, left;
@@ -81,6 +81,9 @@ public:
virtual void set_render_method(Context context, RenderMethod x);
void set_method(RenderMethod x) { method=x;}
RenderMethod get_method()const { return method;}
+
+ void set_cairo_surface(cairo_surface_t* cs);
+ cairo_surface_t* get_cairo_surface()const;
}; // END of class Layer_Bitmap
diff --git a/synfig-core/src/synfig/layer_composite.cpp
b/synfig-core/src/synfig/layer_composite.cpp
index 5644689..d5281f1 100644
--- a/synfig-core/src/synfig/layer_composite.cpp
+++ b/synfig-core/src/synfig/layer_composite.cpp
@@ -138,6 +138,65 @@ Layer_Composite::accelerated_render(Context
context,Surface *surface,int quality
//return
render_threaded(Context(image.begin()),target,desc,&stagetwo,2);
}
+/////
+
+bool
+Layer_Composite::accelerated_cairorender(Context context,cairo_surface_t
*surface,int quality, const RendDesc &renddesc_, ProgressCallback *cb) const
+{
+ RendDesc renddesc(renddesc_);
+
+ if(!amount)
+ return
context.accelerated_cairorender(surface,quality,renddesc,cb);
+
+ CanvasBase image;
+
+ SuperCallback stageone(cb,0,50000,100000);
+ SuperCallback stagetwo(cb,50000,100000,100000);
+
+ Layer_Bitmap::Handle surfacelayer(new class Layer_Bitmap());
+
+ Context iter;
+
+ for(iter=context;*iter;iter++)
+ image.push_back(*iter);
+
+ // Add one Bitmap Layer on top
+ image.push_front(surfacelayer.get());
+
+ image.push_back(0); // and Alpha black at end
+
+ // Render the backdrop on the surface layer's surface.
+ cairo_surface_t* cs=cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
renddesc.get_w(), renddesc.get_h());
+ if(!context.accelerated_cairorender(cs,quality,renddesc,&stageone))
+ {
+ cairo_surface_destroy(cs);
+ return false;
+ }
+ surfacelayer->set_cairo_surface(cs);
+ cairo_surface_destroy(cs);
+ // Sets up the interpolation of the context (now the surface layer is
the first one)
+ // depending on the quality
+ if(quality<=4)surfacelayer->c=3;else
+ if(quality<=5)surfacelayer->c=2;
+ else if(quality<=6)surfacelayer->c=1;
+ else surfacelayer->c=0;
+ surfacelayer->tl=renddesc.get_tl();
+ surfacelayer->br=renddesc.get_br();
+ // Sets the blend method to straight. See below
+ surfacelayer->set_blend_method(Color::BLEND_STRAIGHT);
+ // Push this layer on the image. The blending result is only this layer
+ // and the surface layer. The rest of the context is ignored by the
straight
+ // blend method of surface layer
+ image.push_front(const_cast<synfig::Layer_Composite*>(this));
+
+ // Render the scene
+ return cairorender(Context(image.begin()),surface,renddesc,&stagetwo);
+}
+
+
+
+/////
+
Rect
Layer_Composite::get_full_bounding_rect(Context context)const
{
diff --git a/synfig-core/src/synfig/layer_composite.h
b/synfig-core/src/synfig/layer_composite.h
index 46a07b6..d381701 100644
--- a/synfig-core/src/synfig/layer_composite.h
+++ b/synfig-core/src/synfig/layer_composite.h
@@ -30,6 +30,8 @@
#include "layer.h"
#include "color.h"
+#include "cairo.h"
+#include "cairomm/cairomm.h"
/* === M A C R O S ========================================================= */
@@ -89,6 +91,7 @@ public:
virtual Rect get_full_bounding_rect(Context context)const;
//! Renders the layer composited on the context and puts it on the
target surface.
virtual bool accelerated_render(Context context,Surface *surface,int
quality, const RendDesc &renddesc, ProgressCallback *cb)const;
+ virtual bool accelerated_cairorender(Context context,cairo_surface_t
*surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
}; // END of class Layer_Composite
}; // END of namespace synfig
diff --git a/synfig-core/src/synfig/render.cpp
b/synfig-core/src/synfig/render.cpp
index 9678512..952147e 100644
--- a/synfig-core/src/synfig/render.cpp
+++ b/synfig-core/src/synfig/render.cpp
@@ -395,36 +395,20 @@ synfig::cairorender(
for(y2=0,pool=0;y2<a;y2++)
for(x2=0;x2<a;x2++)
{
- // Notice that we will use Color
instead of CairoColor
- // because get_color for layers are at
the moment defined for Color
- // So I need to convert Color to
CairoColor before place it on the
- // CairoSurface of target.
- // Later, when all layers have its own
get_cairocolor, I'll change this.
- // It is mandatory to have
get_cairocolor enabled for LayerBitmap
- // because it uses cairosurface to get
the (subsampled) color
- Color color=context.get_color(
+ CairoColor color=context.get_cairocolor(
Point(
u+(Point::value_type)(x2)*dsu,
v+(Point::value_type)(y2)*dsv
)
);
- if(!no_clamp)
- {
- color=color.clamped();
- c+=color*color.get_a();
- pool+=color.get_a();
- }
- else
- {
- c+=color*color.get_a();
- pool+=color.get_a();
- }
+ c+=color*color.get_a();
+ pool+=color.get_a();
}
if(pool)
c/=pool;
// Once the pixel is subsampled then I premultiply by
alpha and pass
// it to the CairoSurface
- csurface[y][x]=CairoColor(c).premult_alpha();
+ csurface[y][x]=c.premult_alpha();
}
}
// unmap the rendered surface to the cairo_surface_t
------------------------------------------------------------------------------
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