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themingengine: simplify render_extension() default implementation

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Avoid doing useless translations/rotations, since themes will most
likely set different CSS gradients using left/right/top/bottom style
classes, or use a plain color.

https://bugzilla.gnome.org/show_bug.cgi?id=674809
This commit is contained in:
Cosimo Cecchi
2012-04-24 20:22:24 -04:00
parent d12fd1435a
commit 7e917e54a3
1 changed files with 4 additions and 31 deletions
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35
gtk/gtkthemingengine.c
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@ -2296,62 +2296,35 @@ gtk_theming_engine_render_extension (GtkThemingEngine *engine,
GtkJunctionSides junction = 0;
guint hidden_side = 0;
cairo_save (cr);
switch (gap_side)
{
case GTK_POS_LEFT:
junction = GTK_JUNCTION_LEFT;
hidden_side = (1 << GTK_CSS_LEFT);
cairo_translate (cr, x + width, y);
cairo_rotate (cr, G_PI / 2);
break;
case GTK_POS_RIGHT:
junction = GTK_JUNCTION_RIGHT;
hidden_side = (1 << GTK_CSS_RIGHT);
cairo_translate (cr, x, y + height);
cairo_rotate (cr, - G_PI / 2);
break;
case GTK_POS_TOP:
junction = GTK_JUNCTION_TOP;
hidden_side = (1 << GTK_CSS_TOP);
cairo_translate (cr, x + width, y + height);
cairo_rotate (cr, G_PI);
break;
case GTK_POS_BOTTOM:
junction = GTK_JUNCTION_BOTTOM;
hidden_side = (1 << GTK_CSS_BOTTOM);
cairo_translate (cr, x, y);
break;
}
if (gap_side == GTK_POS_TOP ||
gap_side == GTK_POS_BOTTOM)
_gtk_theming_background_init (&bg, engine,
0, 0,
width, height,
GTK_JUNCTION_BOTTOM);
else
_gtk_theming_background_init (&bg, engine,
0, 0,
height, width,
GTK_JUNCTION_BOTTOM);
_gtk_theming_background_init (&bg, engine,
x, y,
width, height,
junction);
_gtk_theming_background_render (&bg, cr);
cairo_restore (cr);
cairo_save (cr);
render_frame_internal (engine, cr,
x, y, width, height,
hidden_side, junction);
cairo_restore (cr);
}
static void