Author: Carlos Lopez <genet...@gmail.com>
Date: Mon Mar 4 17:14:23 2013 +0100
New class Preview Target Cairo
---
synfig-studio/src/gui/preview.cpp | 43 +++++++++++++++++++++++++++++++++++++
synfig-studio/src/gui/preview.h | 3 ++
2 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/synfig-studio/src/gui/preview.cpp
b/synfig-studio/src/gui/preview.cpp
index fe48f69..f641757 100644
--- a/synfig-studio/src/gui/preview.cpp
+++ b/synfig-studio/src/gui/preview.cpp
@@ -40,6 +40,7 @@
#include <gdkmm/general.h>
#include <synfig/target_scanline.h>
+#include <synfig/target_cairo.h>
#include <synfig/surface.h>
#include <algorithm>
@@ -76,6 +77,48 @@ using namespace studio;
/* === E N T R Y P O I N T ================================================= */
+class studio::Preview::Preview_Target_Cairo : public Target_Cairo
+{
+ Preview *prev;
+public:
+ Preview_Target_Cairo(Preview *prev_): prev(prev_)
+ {
+ }
+
+ virtual bool set_rend_desc(RendDesc *r)
+ {
+ return Target_Cairo::set_rend_desc(r);
+ }
+
+ virtual bool obtain_surface(cairo_surface_t*& surface)
+ {
+ int w=desc.get_w(), h=desc.get_h();
+ surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
+ return true;
+ }
+
+ bool put_surface(cairo_surface_t *surf, synfig::ProgressCallback *cb)
+ {
+ if(!prev)
+ return false;
+ gamma_filter(surf);
+ if(cairo_surface_status(surf))
+ {
+ if(cb) cb->error(_("Cairo Surface bad status"));
+ return false;
+ }
+ FlipbookElem fe;
+ Preview pr = *prev;
+ float time = get_canvas()->get_time();
+ fe.t = time;
+ fe.surface=cairo_surface_reference(surf);
+ prev->push_back(fe);
+
+ cairo_surface_destroy(surf);
+ return true;
+ }
+};
+
class studio::Preview::Preview_Target : public Target_Scanline
{
Surface surface;
diff --git a/synfig-studio/src/gui/preview.h b/synfig-studio/src/gui/preview.h
index f885d4f..6484b5a 100644
--- a/synfig-studio/src/gui/preview.h
+++ b/synfig-studio/src/gui/preview.h
@@ -68,6 +68,7 @@ public:
{
float t;
Glib::RefPtr<Gdk::Pixbuf> buf; //at whatever resolution
they are rendered at (resized at run time)
+ cairo_surface_t* surface;
};
etl::handle<studio::AsyncRenderer> renderer;
@@ -91,6 +92,7 @@ private:
//expose the frame information etc.
class Preview_Target;
+ class Preview_Target_Cairo;
void frame_finish(const Preview_Target *);
sigc::signal0<void> sig_changed;
@@ -155,6 +157,7 @@ public:
FlipBook::const_iterator begin() const {return frames.begin();}
FlipBook::const_iterator end() const {return frames.end();}
+ void push_back(FlipbookElem fe) { frames.push_back(fe); }
void clear() {frames.clear();}
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