move CairoCanvas::render() implementation for ArdourCanvas::Canvas into source
Note that this implementation only redraws a single (cairo_rectangle_t-defined) rect, and cannot provide sub-rects the way that a normal GDK/GTK expose-driven redraw can
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@ -1600,6 +1600,13 @@ GtkCanvas::grab_can_translate () const
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return _grabbed_item->scroll_translation ();
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return _grabbed_item->scroll_translation ();
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}
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}
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void
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GtkCanvas::render (Cairo::RefPtr<Cairo::Context> const & ctx, cairo_rectangle_t* r)
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{
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ArdourCanvas::Rect rect (r->x, r->y, r->width + r->x, r->height + r->y);
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Canvas::render (rect, ctx);
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}
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/** Create a GtkCanvaSViewport.
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/** Create a GtkCanvaSViewport.
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* @param hadj Adjustment to use for horizontal scrolling.
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* @param hadj Adjustment to use for horizontal scrolling.
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* @param vadj Adjustment to use for vertica scrolling.
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* @param vadj Adjustment to use for vertica scrolling.
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@ -249,12 +249,10 @@ public:
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Glib::RefPtr<Pango::Context> get_pango_context();
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Glib::RefPtr<Pango::Context> get_pango_context();
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void render (Cairo::RefPtr<Cairo::Context> const & ctx, cairo_rectangle_t* r)
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/* This is the render method called via the Gtkmm2ext::CairoCanvas API,
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{
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which is distinct from ArdourCanvas.
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ArdourCanvas::Rect rect (r->x, r->y, r->width + r->x, r->height + r->y);
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*/
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Canvas::render (rect, ctx);
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void render (Cairo::RefPtr<Cairo::Context> const & ctx, cairo_rectangle_t* r);
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}
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void prepare_for_render () const;
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void prepare_for_render () const;
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uint32_t background_color() { return Canvas::background_color (); }
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uint32_t background_color() { return Canvas::background_color (); }
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